; LLVM IR from kazunetakahashi/atcoder :: 201510_201609/1224_xmas_2015 (B4)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int>>, std::less<std::pair<int, int>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int>>, std::less<std::pair<int, int>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"class.std::queue" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%"class.std::set.3" = type { %"class.std::_Rb_tree.4" }
%"class.std::_Rb_tree.4" = type { %"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"struct.std::pair.12" = type { i32, i32 }
%"struct.std::pair" = type <{ %"struct.std::_Rb_tree_const_iterator", i8, [7 x i8] }>
%"struct.std::_Rb_tree_const_iterator" = type { ptr }
%"struct.std::pair.14" = type <{ %"struct.std::_Rb_tree_const_iterator.16", i8, [7 x i8] }>
%"struct.std::_Rb_tree_const_iterator.16" = type { ptr }
%"class.std::vector.18" = type { %"struct.std::_Vector_base.19" }
%"struct.std::_Vector_base.19" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.__gnu_cxx::__normal_iterator.20" = type { ptr }

@S = external dso_local global %"class.std::set", align 8
@A = external dso_local global %"class.std::queue", align 8
@B = external dso_local global %"class.std::set.3", align 8
@V = external dso_local global %"class.std::vector", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca %"struct.std::pair.12", align 4
  %8 = alloca %"struct.std::pair", align 8
  %9 = alloca %"struct.std::pair.12", align 4
  %10 = alloca %"struct.std::pair", align 8
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca %"struct.std::pair.14", align 8
  %14 = alloca i32, align 4
  %15 = alloca %"class.std::vector.18", align 8
  %16 = alloca ptr, align 8
  %17 = alloca %"struct.std::_Rb_tree_const_iterator.16", align 8
  %18 = alloca %"struct.std::_Rb_tree_const_iterator.16", align 8
  %19 = alloca i32, align 4
  %20 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %21 = alloca %"struct.std::pair.12", align 4
  %22 = alloca ptr, align 8
  %23 = alloca i32, align 4
  %24 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %25 = alloca %"struct.std::pair.12", align 4
  %26 = alloca ptr, align 8
  %27 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %28 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %29 = alloca i32, align 4
  %30 = alloca %"struct.std::_Rb_tree_const_iterator.16", align 8
  %31 = alloca %"struct.std::_Rb_tree_const_iterator.16", align 8
  %32 = alloca ptr, align 8
  %33 = alloca %"class.__gnu_cxx::__normal_iterator.20", align 8
  %34 = alloca %"class.__gnu_cxx::__normal_iterator.20", align 8
  %35 = alloca %"struct.std::pair.12", align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #8
  %36 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %37 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %36, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #8
  store i32 0, ptr %6, align 4, !tbaa !5
  br label %38

38:                                               ; preds = %62, %0
  %39 = load i32, ptr %6, align 4, !tbaa !5
  %40 = load i32, ptr %3, align 4, !tbaa !5
  %41 = icmp slt i32 %39, %40
  br i1 %41, label %43, label %42

42:                                               ; preds = %38
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #8
  br label %65

43:                                               ; preds = %38
  %44 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %45 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %44, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %46 = load i32, ptr %4, align 4, !tbaa !5
  %47 = add nsw i32 %46, -1
  store i32 %47, ptr %4, align 4, !tbaa !5
  %48 = load i32, ptr %5, align 4, !tbaa !5
  %49 = add nsw i32 %48, -1
  store i32 %49, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #8
  %50 = call i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 4 dereferenceable(4) %5)
  store i64 %50, ptr %7, align 4
  %51 = call { ptr, i8 } @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE6insertEOS1_(ptr noundef nonnull align 8 dereferenceable(48) @S, ptr noundef nonnull align 4 dereferenceable(8) %7)
  %52 = getelementptr inbounds { ptr, i8 }, ptr %8, i32 0, i32 0
  %53 = extractvalue { ptr, i8 } %51, 0
  store ptr %53, ptr %52, align 8
  %54 = getelementptr inbounds { ptr, i8 }, ptr %8, i32 0, i32 1
  %55 = extractvalue { ptr, i8 } %51, 1
  store i8 %55, ptr %54, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #8
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #8
  %56 = call i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 4 dereferenceable(4) %4)
  store i64 %56, ptr %9, align 4
  %57 = call { ptr, i8 } @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE6insertEOS1_(ptr noundef nonnull align 8 dereferenceable(48) @S, ptr noundef nonnull align 4 dereferenceable(8) %9)
  %58 = getelementptr inbounds { ptr, i8 }, ptr %10, i32 0, i32 0
  %59 = extractvalue { ptr, i8 } %57, 0
  store ptr %59, ptr %58, align 8
  %60 = getelementptr inbounds { ptr, i8 }, ptr %10, i32 0, i32 1
  %61 = extractvalue { ptr, i8 } %57, 1
  store i8 %61, ptr %60, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #8
  br label %62

62:                                               ; preds = %43
  %63 = load i32, ptr %6, align 4, !tbaa !5
  %64 = add nsw i32 %63, 1
  store i32 %64, ptr %6, align 4, !tbaa !5
  br label %38, !llvm.loop !9

65:                                               ; preds = %42
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #8
  store i32 0, ptr %11, align 4, !tbaa !5
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushEOi(ptr noundef nonnull align 8 dereferenceable(80) @A, ptr noundef nonnull align 4 dereferenceable(4) %11)
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #8
  store i32 1, ptr %12, align 4, !tbaa !5
  br label %66

66:                                               ; preds = %77, %65
  %67 = load i32, ptr %12, align 4, !tbaa !5
  %68 = load i32, ptr %2, align 4, !tbaa !5
  %69 = icmp slt i32 %67, %68
  br i1 %69, label %71, label %70

70:                                               ; preds = %66
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #8
  br label %80

71:                                               ; preds = %66
  %72 = call { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) @B, ptr noundef nonnull align 4 dereferenceable(4) %12)
  %73 = getelementptr inbounds { ptr, i8 }, ptr %13, i32 0, i32 0
  %74 = extractvalue { ptr, i8 } %72, 0
  store ptr %74, ptr %73, align 8
  %75 = getelementptr inbounds { ptr, i8 }, ptr %13, i32 0, i32 1
  %76 = extractvalue { ptr, i8 } %72, 1
  store i8 %76, ptr %75, align 8
  br label %77

77:                                               ; preds = %71
  %78 = load i32, ptr %12, align 4, !tbaa !5
  %79 = add nsw i32 %78, 1
  store i32 %79, ptr %12, align 4, !tbaa !5
  br label %66, !llvm.loop !11

80:                                               ; preds = %70
  br label %81

81:                                               ; preds = %154, %80
  %82 = call noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) @A)
  %83 = xor i1 %82, true
  br i1 %83, label %84, label %156

84:                                               ; preds = %81
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #8
  %85 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5queueIiSt5dequeIiSaIiEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) @A)
  %86 = load i32, ptr %85, align 4, !tbaa !5
  store i32 %86, ptr %14, align 4, !tbaa !5
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) @A)
  call void @llvm.lifetime.start.p0(i64 24, ptr %15) #8
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %15) #8
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #8
  store ptr @B, ptr %16, align 8, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #8
  %87 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) @B) #8
  %88 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator.16", ptr %17, i32 0, i32 0
  store ptr %87, ptr %88, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #8
  %89 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) @B) #8
  %90 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator.16", ptr %18, i32 0, i32 0
  store ptr %89, ptr %90, align 8
  br label %91

91:                                               ; preds = %124, %84
  %92 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %17, ptr noundef nonnull align 8 dereferenceable(8) %18) #8
  br i1 %92, label %94, label %93

93:                                               ; preds = %91
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #8
  br label %127

94:                                               ; preds = %91
  call void @llvm.lifetime.start.p0(i64 4, ptr %19) #8
  %95 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt23_Rb_tree_const_iteratorIiEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %17) #8
  %96 = load i32, ptr %95, align 4, !tbaa !5
  store i32 %96, ptr %19, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #8
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #8
  %97 = invoke i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %14, ptr noundef nonnull align 4 dereferenceable(4) %19)
          to label %98 unwind label %111

98:                                               ; preds = %94
  store i64 %97, ptr %21, align 4
  %99 = invoke ptr @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE4findERKS1_(ptr noundef nonnull align 8 dereferenceable(48) @S, ptr noundef nonnull align 4 dereferenceable(8) %21)
          to label %100 unwind label %111

100:                                              ; preds = %98
  %101 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %20, i32 0, i32 0
  store ptr %99, ptr %101, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %24) #8
  %102 = call ptr @_ZNKSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(48) @S) #8
  %103 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %24, i32 0, i32 0
  store ptr %102, ptr %103, align 8
  %104 = call noundef zeroext i1 @_ZSteqRKSt23_Rb_tree_const_iteratorISt4pairIiiEES4_(ptr noundef nonnull align 8 dereferenceable(8) %20, ptr noundef nonnull align 8 dereferenceable(8) %24) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %24) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #8
  br i1 %104, label %105, label %123

105:                                              ; preds = %100
  call void @llvm.lifetime.start.p0(i64 8, ptr %25) #8
  %106 = invoke i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %14, ptr noundef nonnull align 4 dereferenceable(4) %19)
          to label %107 unwind label %115

107:                                              ; preds = %105
  store i64 %106, ptr %25, align 4
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) @V, ptr noundef nonnull align 4 dereferenceable(8) %25)
          to label %108 unwind label %115

108:                                              ; preds = %107
  call void @llvm.lifetime.end.p0(i64 8, ptr %25) #8
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) @A, ptr noundef nonnull align 4 dereferenceable(4) %19)
          to label %109 unwind label %119

109:                                              ; preds = %108
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %15, ptr noundef nonnull align 4 dereferenceable(4) %19)
          to label %110 unwind label %119

110:                                              ; preds = %109
  br label %123

111:                                              ; preds = %98, %94
  %112 = landingpad { ptr, i32 }
          cleanup
  %113 = extractvalue { ptr, i32 } %112, 0
  store ptr %113, ptr %22, align 8
  %114 = extractvalue { ptr, i32 } %112, 1
  store i32 %114, ptr %23, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #8
  br label %126

115:                                              ; preds = %107, %105
  %116 = landingpad { ptr, i32 }
          cleanup
  %117 = extractvalue { ptr, i32 } %116, 0
  store ptr %117, ptr %22, align 8
  %118 = extractvalue { ptr, i32 } %116, 1
  store i32 %118, ptr %23, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %25) #8
  br label %126

119:                                              ; preds = %109, %108
  %120 = landingpad { ptr, i32 }
          cleanup
  %121 = extractvalue { ptr, i32 } %120, 0
  store ptr %121, ptr %22, align 8
  %122 = extractvalue { ptr, i32 } %120, 1
  store i32 %122, ptr %23, align 4
  br label %126

123:                                              ; preds = %110, %100
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #8
  br label %124

124:                                              ; preds = %123
  %125 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorIiEppEv(ptr noundef nonnull align 8 dereferenceable(8) %17) #8
  br label %91

126:                                              ; preds = %119, %115, %111
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #8
  br label %155

127:                                              ; preds = %93
  call void @llvm.lifetime.start.p0(i64 8, ptr %26) #8
  store ptr %15, ptr %26, align 8, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 8, ptr %27) #8
  %128 = load ptr, ptr %26, align 8, !tbaa !12
  %129 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %128) #8
  %130 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %27, i32 0, i32 0
  store ptr %129, ptr %130, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %28) #8
  %131 = load ptr, ptr %26, align 8, !tbaa !12
  %132 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %131) #8
  %133 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %28, i32 0, i32 0
  store ptr %132, ptr %133, align 8
  br label %134

134:                                              ; preds = %148, %127
  %135 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %27, ptr noundef nonnull align 8 dereferenceable(8) %28) #8
  br i1 %135, label %137, label %136

136:                                              ; preds = %134
  call void @llvm.lifetime.end.p0(i64 8, ptr %28) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %27) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %26) #8
  br label %154

137:                                              ; preds = %134
  call void @llvm.lifetime.start.p0(i64 4, ptr %29) #8
  %138 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %27) #8
  %139 = load i32, ptr %138, align 4, !tbaa !5
  store i32 %139, ptr %29, align 4, !tbaa !5
  %140 = invoke ptr @_ZNSt3setIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48) @B, ptr noundef nonnull align 4 dereferenceable(4) %29)
          to label %141 unwind label %150

141:                                              ; preds = %137
  %142 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator.16", ptr %30, i32 0, i32 0
  store ptr %140, ptr %142, align 8
  %143 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator.16", ptr %30, i32 0, i32 0
  %144 = load ptr, ptr %143, align 8
  %145 = invoke ptr @_ZNSt3setIiSt4lessIiESaIiEE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIiE(ptr noundef nonnull align 8 dereferenceable(48) @B, ptr %144)
          to label %146 unwind label %150

146:                                              ; preds = %141
  %147 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator.16", ptr %31, i32 0, i32 0
  store ptr %145, ptr %147, align 8
  call void @llvm.lifetime.end.p0(i64 4, ptr %29) #8
  br label %148

148:                                              ; preds = %146
  %149 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %27) #8
  br label %134

150:                                              ; preds = %141, %137
  %151 = landingpad { ptr, i32 }
          cleanup
  %152 = extractvalue { ptr, i32 } %151, 0
  store ptr %152, ptr %22, align 8
  %153 = extractvalue { ptr, i32 } %151, 1
  store i32 %153, ptr %23, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %29) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %28) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %27) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %26) #8
  br label %155

154:                                              ; preds = %136
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %15) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %15) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #8
  br label %81, !llvm.loop !14

155:                                              ; preds = %150, %126
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %15) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %15) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #8
  br label %192

156:                                              ; preds = %81
  %157 = call noundef i64 @_ZNKSt6vectorISt4pairIiiESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) @V) #8
  %158 = trunc i64 %157 to i32
  %159 = load i32, ptr %2, align 4, !tbaa !5
  %160 = sub nsw i32 %159, 1
  %161 = icmp ne i32 %158, %160
  br i1 %161, label %162, label %165

162:                                              ; preds = %156
  %163 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
  %164 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %163, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %190

165:                                              ; preds = %156
  %166 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.6)
  %167 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %166, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.start.p0(i64 8, ptr %32) #8
  store ptr @V, ptr %32, align 8, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 8, ptr %33) #8
  %168 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @V) #8
  %169 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.20", ptr %33, i32 0, i32 0
  store ptr %168, ptr %169, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %34) #8
  %170 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @V) #8
  %171 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.20", ptr %34, i32 0, i32 0
  store ptr %170, ptr %171, align 8
  br label %172

172:                                              ; preds = %187, %165
  %173 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %33, ptr noundef nonnull align 8 dereferenceable(8) %34) #8
  br i1 %173, label %175, label %174

174:                                              ; preds = %172
  call void @llvm.lifetime.end.p0(i64 8, ptr %34) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %33) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %32) #8
  br label %189

175:                                              ; preds = %172
  call void @llvm.lifetime.start.p0(i64 8, ptr %35) #8
  %176 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %33) #8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %35, ptr align 4 %176, i64 8, i1 false)
  %177 = getelementptr inbounds %"struct.std::pair.12", ptr %35, i32 0, i32 0
  %178 = load i32, ptr %177, align 4, !tbaa !15
  %179 = add nsw i32 %178, 1
  %180 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %179)
  %181 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %180, ptr noundef @.str.7)
  %182 = getelementptr inbounds %"struct.std::pair.12", ptr %35, i32 0, i32 1
  %183 = load i32, ptr %182, align 4, !tbaa !17
  %184 = add nsw i32 %183, 1
  %185 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %181, i32 noundef %184)
  %186 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %185, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.end.p0(i64 8, ptr %35) #8
  br label %187

187:                                              ; preds = %175
  %188 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %33) #8
  br label %172

189:                                              ; preds = %174
  br label %190

190:                                              ; preds = %189, %162
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #8
  %191 = load i32, ptr %1, align 4
  ret i32 %191

192:                                              ; preds = %155
  %193 = load ptr, ptr %22, align 8
  %194 = load i32, ptr %23, align 4
  %195 = insertvalue { ptr, i32 } poison, ptr %193, 0
  %196 = insertvalue { ptr, i32 } %195, i32 %194, 1
  resume { ptr, i32 } %196
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE6insertEOS1_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushEOi(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(4)) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5queueIiSt5dequeIiSaIiEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIiSt4lessIiESaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt23_Rb_tree_const_iteratorIiEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSteqRKSt23_Rb_tree_const_iteratorISt4pairIiiEES4_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE4findERKS1_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(8)) #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(4)) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorIiEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3setIiSt4lessIiESaIiEE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIiE(ptr noundef nonnull align 8 dereferenceable(48), ptr) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3setIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorISt4pairIiiESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #6

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #4 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #7

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #4 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #8 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = !{!13, !13, i64 0}
!13 = !{!"any pointer", !7, i64 0}
!14 = distinct !{!14, !10}
!15 = !{!16, !6, i64 0}
!16 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!17 = !{!16, !6, i64 4}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int>>, std::less<std::pair<int, int>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int>>, std::less<std::pair<int, int>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"class.std::queue" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%"class.std::set.3" = type { %"class.std::_Rb_tree.4" }
%"class.std::_Rb_tree.4" = type { %"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"struct.std::pair.12" = type { i32, i32 }
%"class.std::vector.18" = type { %"struct.std::_Vector_base.19" }
%"struct.std::_Vector_base.19" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::_Rb_tree_const_iterator.16" = type { ptr }
%"struct.std::_Rb_tree_const_iterator" = type { ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.__gnu_cxx::__normal_iterator.20" = type { ptr }

@S = external dso_local global %"class.std::set", align 8
@A = external dso_local global %"class.std::queue", align 8
@B = external dso_local global %"class.std::set.3", align 8
@V = external dso_local global %"class.std::vector", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %"struct.std::pair.12", align 8
  %6 = alloca %"struct.std::pair.12", align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca %"class.std::vector.18", align 8
  %11 = alloca %"struct.std::_Rb_tree_const_iterator.16", align 8
  %12 = alloca %"struct.std::_Rb_tree_const_iterator.16", align 8
  %13 = alloca i32, align 4
  %14 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %15 = alloca %"struct.std::pair.12", align 8
  %16 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %17 = alloca %"struct.std::pair.12", align 8
  %18 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %19 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %20 = alloca i32, align 4
  %21 = alloca %"class.__gnu_cxx::__normal_iterator.20", align 8
  %22 = alloca %"class.__gnu_cxx::__normal_iterator.20", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  %23 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %24 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %23, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #7
  %25 = load i32, ptr %2, align 4, !tbaa !5
  %26 = icmp sgt i32 %25, 0
  br i1 %26, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %0
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #7
  store i32 0, ptr %7, align 4, !tbaa !5
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushEOi(ptr noundef nonnull align 8 dereferenceable(80) @A, ptr noundef nonnull align 4 dereferenceable(4) %7)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #7
  store i32 1, ptr %8, align 4, !tbaa !5
  %27 = load i32, ptr %1, align 4, !tbaa !5
  %28 = icmp sgt i32 %27, 1
  br i1 %28, label %.lr.ph20, label %._crit_edge21

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.018 = phi i32 [ %39, %.lr.ph ], [ 0, %0 ]
  %29 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %30 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %29, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %31 = load i32, ptr %3, align 4, !tbaa !5
  %32 = add nsw i32 %31, -1
  store i32 %32, ptr %3, align 4, !tbaa !5
  %33 = load i32, ptr %4, align 4, !tbaa !5
  %34 = add nsw i32 %33, -1
  store i32 %34, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #7
  %35 = call i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %3, ptr noundef nonnull align 4 dereferenceable(4) %4)
  store i64 %35, ptr %5, align 8
  %36 = call { ptr, i8 } @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE6insertEOS1_(ptr noundef nonnull align 8 dereferenceable(48) @S, ptr noundef nonnull align 4 dereferenceable(8) %5)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #7
  %37 = call i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 4 dereferenceable(4) %3)
  store i64 %37, ptr %6, align 8
  %38 = call { ptr, i8 } @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE6insertEOS1_(ptr noundef nonnull align 8 dereferenceable(48) @S, ptr noundef nonnull align 4 dereferenceable(8) %6)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  %39 = add nuw nsw i32 %.018, 1
  %40 = load i32, ptr %2, align 4, !tbaa !5
  %41 = icmp slt i32 %39, %40
  br i1 %41, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge21:                                    ; preds = %.lr.ph20, %._crit_edge
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #7
  %42 = call noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) @A)
  br i1 %42, label %._crit_edge30, label %.lr.ph29

.lr.ph20:                                         ; preds = %._crit_edge, %.lr.ph20
  %43 = call { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) @B, ptr noundef nonnull align 4 dereferenceable(4) %8)
  %44 = load i32, ptr %8, align 4, !tbaa !5
  %45 = add nsw i32 %44, 1
  store i32 %45, ptr %8, align 4, !tbaa !5
  %46 = load i32, ptr %1, align 4, !tbaa !5
  %47 = icmp slt i32 %45, %46
  br i1 %47, label %.lr.ph20, label %._crit_edge21, !llvm.loop !11

.lr.ph29:                                         ; preds = %._crit_edge21, %._crit_edge27
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #7
  %48 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5queueIiSt5dequeIiSaIiEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) @A)
  %49 = load i32, ptr %48, align 4, !tbaa !5
  store i32 %49, ptr %9, align 4, !tbaa !5
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) @A)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %10) #7
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #7
  %50 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) @B) #7
  store ptr %50, ptr %11, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %12) #7
  %51 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) @B) #7
  store ptr %51, ptr %12, align 8
  %52 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 8 dereferenceable(8) %12) #7
  br i1 %52, label %.lr.ph23, label %._crit_edge24

._crit_edge24:                                    ; preds = %75, %.lr.ph29
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %18) #7
  %53 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #7
  store ptr %53, ptr %18, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %19) #7
  %54 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #7
  store ptr %54, ptr %19, align 8
  %55 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %18, ptr noundef nonnull align 8 dereferenceable(8) %19) #7
  br i1 %55, label %.lr.ph26, label %._crit_edge27

.lr.ph23:                                         ; preds = %.lr.ph29, %75
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %13) #7
  %56 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt23_Rb_tree_const_iteratorIiEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #7
  %57 = load i32, ptr %56, align 4, !tbaa !5
  store i32 %57, ptr %13, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %14) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %15) #7
  %58 = invoke i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %9, ptr noundef nonnull align 4 dereferenceable(4) %13)
          to label %59 unwind label %69

59:                                               ; preds = %.lr.ph23
  store i64 %58, ptr %15, align 8
  %60 = invoke ptr @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE4findERKS1_(ptr noundef nonnull align 8 dereferenceable(48) @S, ptr noundef nonnull align 4 dereferenceable(8) %15)
          to label %61 unwind label %69

61:                                               ; preds = %59
  store ptr %60, ptr %14, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %16) #7
  %62 = call ptr @_ZNKSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(48) @S) #7
  store ptr %62, ptr %16, align 8
  %63 = call noundef zeroext i1 @_ZSteqRKSt23_Rb_tree_const_iteratorISt4pairIiiEES4_(ptr noundef nonnull align 8 dereferenceable(8) %14, ptr noundef nonnull align 8 dereferenceable(8) %16) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %16) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %15) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %14) #7
  br i1 %63, label %64, label %75

64:                                               ; preds = %61
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %17) #7
  %65 = invoke i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %9, ptr noundef nonnull align 4 dereferenceable(4) %13)
          to label %66 unwind label %71

66:                                               ; preds = %64
  store i64 %65, ptr %17, align 8
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) @V, ptr noundef nonnull align 4 dereferenceable(8) %17)
          to label %67 unwind label %71

67:                                               ; preds = %66
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %17) #7
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) @A, ptr noundef nonnull align 4 dereferenceable(4) %13)
          to label %68 unwind label %73

68:                                               ; preds = %67
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %10, ptr noundef nonnull align 4 dereferenceable(4) %13)
          to label %75 unwind label %73

69:                                               ; preds = %59, %.lr.ph23
  %70 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %15) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %14) #7
  br label %78

71:                                               ; preds = %66, %64
  %72 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %17) #7
  br label %78

73:                                               ; preds = %68, %67
  %74 = landingpad { ptr, i32 }
          cleanup
  br label %78

75:                                               ; preds = %68, %61
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %13) #7
  %76 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorIiEppEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #7
  %77 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 8 dereferenceable(8) %12) #7
  br i1 %77, label %.lr.ph23, label %._crit_edge24

78:                                               ; preds = %73, %71, %69
  %.pn = phi { ptr, i32 } [ %74, %73 ], [ %72, %71 ], [ %70, %69 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %13) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #7
  br label %90

._crit_edge27:                                    ; preds = %85, %._crit_edge24
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %19) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %18) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %10) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  %79 = call noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) @A)
  br i1 %79, label %._crit_edge30, label %.lr.ph29, !llvm.loop !12

.lr.ph26:                                         ; preds = %._crit_edge24, %85
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %20) #7
  %80 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %18) #7
  %81 = load i32, ptr %80, align 4, !tbaa !5
  store i32 %81, ptr %20, align 4, !tbaa !5
  %82 = invoke ptr @_ZNSt3setIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48) @B, ptr noundef nonnull align 4 dereferenceable(4) %20)
          to label %83 unwind label %88

83:                                               ; preds = %.lr.ph26
  %84 = invoke ptr @_ZNSt3setIiSt4lessIiESaIiEE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIiE(ptr noundef nonnull align 8 dereferenceable(48) @B, ptr %82)
          to label %85 unwind label %88

85:                                               ; preds = %83
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %20) #7
  %86 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %18) #7
  %87 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %18, ptr noundef nonnull align 8 dereferenceable(8) %19) #7
  br i1 %87, label %.lr.ph26, label %._crit_edge27

88:                                               ; preds = %83, %.lr.ph26
  %89 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %20) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %19) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %18) #7
  br label %90

90:                                               ; preds = %88, %78
  %.pn.pn = phi { ptr, i32 } [ %.pn, %78 ], [ %89, %88 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %10) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn.pn

._crit_edge30:                                    ; preds = %._crit_edge27, %._crit_edge21
  %91 = call noundef i64 @_ZNKSt6vectorISt4pairIiiESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) @V) #7
  %92 = trunc i64 %91 to i32
  %93 = load i32, ptr %1, align 4, !tbaa !5
  %94 = add nsw i32 %93, -1
  %.not = icmp eq i32 %94, %92
  br i1 %.not, label %98, label %95

95:                                               ; preds = %._crit_edge30
  %96 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str)
  %97 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %96, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %113

98:                                               ; preds = %._crit_edge30
  %99 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.6)
  %100 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %99, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %21) #7
  %101 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @V) #7
  store ptr %101, ptr %21, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %22) #7
  %102 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @V) #7
  store ptr %102, ptr %22, align 8
  %103 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %21, ptr noundef nonnull align 8 dereferenceable(8) %22) #7
  br i1 %103, label %.lr.ph32, label %._crit_edge33

._crit_edge33:                                    ; preds = %.lr.ph32, %98
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %22) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %21) #7
  br label %113

.lr.ph32:                                         ; preds = %98, %.lr.ph32
  %104 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %21) #7
  %.sroa.0.0.copyload = load i32, ptr %104, align 4
  %.sroa.4.0..sroa_idx = getelementptr inbounds i8, ptr %104, i64 4
  %.sroa.4.0.copyload = load i32, ptr %.sroa.4.0..sroa_idx, align 4
  %105 = add nsw i32 %.sroa.0.0.copyload, 1
  %106 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %105)
  %107 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %106, ptr noundef nonnull @.str.7)
  %108 = add nsw i32 %.sroa.4.0.copyload, 1
  %109 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %107, i32 noundef %108)
  %110 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %109, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %111 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %21) #7
  %112 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %21, ptr noundef nonnull align 8 dereferenceable(8) %22) #7
  br i1 %112, label %.lr.ph32, label %._crit_edge33

113:                                              ; preds = %._crit_edge33, %95
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  ret i32 0
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE6insertEOS1_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushEOi(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5queueIiSt5dequeIiSaIiEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIiSt4lessIiESaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt23_Rb_tree_const_iteratorIiEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSteqRKSt23_Rb_tree_const_iteratorISt4pairIiiEES4_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE4findERKS1_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorIiEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3setIiSt4lessIiESaIiEE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIiE(ptr noundef nonnull align 8 dereferenceable(48), ptr) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3setIiSt4lessIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorISt4pairIiiESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #6

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass