int-operator-specific type rules
For SMT-LIBv2: to_real support; to_int and is_int support for constant expressions
redo the to_int/is_int rewrite in theory arith's ppRewrite; fixes models
stat for ppRewrite in arith
linear div,mod,/
testing
fix models for linear /,div,mod
remove smt engine unnecessary stuff
bugfixes, plus option --rewrite-divk to enable linear ppRewrite of /, div, mod
another #warning
some fixes, more rewrites
indexed function checks in strict mode
fix to rewriter