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The dataset generation failed
Error code: DatasetGenerationError
Exception: CastError
Message: Couldn't cast
key_algo: string
n_problems: int64
n_trajectories: int64
max_per_problem: int64
max_sampled_step: int64
note: string
termination: string
terminal_answer: string
problem: string
reward: null
key: string
layers: list<item: list<item: struct<direction_text: string, detailed: string, rationale: string, core_resul (... 34 chars omitted)
child 0, item: list<item: struct<direction_text: string, detailed: string, rationale: string, core_result: string, (... 22 chars omitted)
child 0, item: struct<direction_text: string, detailed: string, rationale: string, core_result: string, direction_i (... 10 chars omitted)
child 0, direction_text: string
child 1, detailed: string
child 2, rationale: string
child 3, core_result: string
child 4, direction_idx: int64
origin: string
version: int64
to
{'key': Value('string'), 'problem': Value('string'), 'layers': List(List({'direction_text': Value('string'), 'detailed': Value('string'), 'rationale': Value('string'), 'core_result': Value('string'), 'direction_idx': Value('int64')})), 'termination': Value('string'), 'terminal_answer': Value('string'), 'reward': Value('null'), 'origin': Value('string'), 'version': Value('int64')}
because column names don't match
Traceback: Traceback (most recent call last):
File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1827, in _prepare_split_single
for key, table in generator:
^^^^^^^^^
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 613, in wrapped
for item in generator(*args, **kwargs):
~~~~~~~~~^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 343, in _generate_tables
self._cast_table(pa_table, json_field_paths=json_field_paths),
~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 132, in _cast_table
pa_table = table_cast(pa_table, self.info.features.arrow_schema)
File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2378, in table_cast
return cast_table_to_schema(table, schema)
File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2306, in cast_table_to_schema
raise CastError(
...<3 lines>...
)
datasets.table.CastError: Couldn't cast
key_algo: string
n_problems: int64
n_trajectories: int64
max_per_problem: int64
max_sampled_step: int64
note: string
termination: string
terminal_answer: string
problem: string
reward: null
key: string
layers: list<item: list<item: struct<direction_text: string, detailed: string, rationale: string, core_resul (... 34 chars omitted)
child 0, item: list<item: struct<direction_text: string, detailed: string, rationale: string, core_result: string, (... 22 chars omitted)
child 0, item: struct<direction_text: string, detailed: string, rationale: string, core_result: string, direction_i (... 10 chars omitted)
child 0, direction_text: string
child 1, detailed: string
child 2, rationale: string
child 3, core_result: string
child 4, direction_idx: int64
origin: string
version: int64
to
{'key': Value('string'), 'problem': Value('string'), 'layers': List(List({'direction_text': Value('string'), 'detailed': Value('string'), 'rationale': Value('string'), 'core_result': Value('string'), 'direction_idx': Value('int64')})), 'termination': Value('string'), 'terminal_answer': Value('string'), 'reward': Value('null'), 'origin': Value('string'), 'version': Value('int64')}
because column names don't match
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1369, in compute_config_parquet_and_info_response
parquet_operations, partial, estimated_dataset_info = stream_convert_to_parquet(
~~~~~~~~~~~~~~~~~~~~~~~~~^
builder, max_dataset_size_bytes=max_dataset_size_bytes
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
)
^
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 948, in stream_convert_to_parquet
builder._prepare_split(split_generator=splits_generators[split], file_format="parquet")
~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1694, in _prepare_split
for job_id, done, content in self._prepare_split_single(
~~~~~~~~~~~~~~~~~~~~~~~~~~^
gen_kwargs=gen_kwargs, job_id=job_id, **_prepare_split_args
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
):
^
File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1880, in _prepare_split_single
raise DatasetGenerationError("An error occurred while generating the dataset") from e
datasets.exceptions.DatasetGenerationError: An error occurred while generating the datasetNeed help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
key string | problem string | layers list | termination string | terminal_answer string | reward null | origin string | version int64 |
|---|---|---|---|---|---|---|---|
00be11639838633aa2f836a62dc69d83a29e8885 | Fix parameters \(0\le \varepsilon<1/9\), \(0\le\delta<1\), \(F\ge0\), and \(a\ge100\), and set
\[\nH:=\frac92,\qquad L:=\frac{100}{a}.
\]\nAssume
\[
\frac{F+16\delta}{1/9-\varepsilon}\le L,
\qquad
\frac{4-2000/a-100\delta a}{1/9+\varepsilon}\ge H. \tag{*}
\]
\nLet \(u,v,w\) be goods with prices \(0<p_u,p_v,p_w\le20\). ... | [
[
{
"direction_text": "Develop the forced-allocation core. For a buyer in \\(B_s\\), analyze the equality-\\(p_s\\)-bundle that obtains the maximum utility itself when \\(p_s\\le L\\). Use the precise nontrivial utility guarantee and derive the resulting lower bound on its expenditure on \\(w\\) required ... | terminated | Let
\[
H=\frac92,\qquad L=\frac{100}{a}.
\]
We prove the two implications separately.
---
## 1. If \(p_u,p_v\ge H\), then \(p_w\le L\)
Assume, toward a contradiction, that \(p_u,p_v\ge H\) and \(p_w>L>0\).
Fix \(s\in\{u,v\}\). Then \(H\le p_s\le 20\). Since \(p_w>L=100/a\), we have
\[
a p_w>100.
\]
For any feasib... | null | offline | -1 |
3adee23046dc1d5efc82c23df8b546434b0b3a7b | Let $\Delta$ be sufficiently large and define
$$
\tau:=\frac1{\log\log\log\Delta},\qquad\nL:=\log^*(1/\tau),\qquad
\ell:=L^{1/100},\qquad
\beta:=\frac{L}{\ell},\qquad\nq:=\tau^{1/10}.
$$\nFix an integer $k$ and positive numbers $a_1,\ldots,a_{k+1}$ such that, for every $i\in[k]$,
$$\na_1>\beta,\qquad\na_{i+1}=\frac{e^{... | [
[
{
"direction_text": "Investigate the raw selection logic independently. For a fixed ordered edge {u,v}, decompose the event that v can belong to C by its first qualifying trial i, and compute an exact conditional probability expression after imposing r_u≥q. Focus on comparing the probabilities of v's po... | terminated | Let
\[
A_i:=\{v\in C_i^+\},\qquad A_0:=C^-.
\]
We prove the required lower bound. All constants below can be taken absolute; no attempt is made to optimize \(10^6\).
Fix an edge \(\{u,v\}\in E(G)\) with \(d_v\le \ell\). Condition on \(r_u\ge q\).
---
## 1. The vertex \(u\) is never selected
If \(u\in C_i^+\), the... | null | offline | -1 |
9e71a84799c82d7545e4151a4a24c46ed80bdb46 | Consider a repeated single-item allocation process over T rounds. There are n agents with shares α_1,\dots,α_n \in (0,1) satisfying \(\sum_{j=1}^n α_j = 1\). Agent j may bid in at most
\[\nB_j=(1+\delta_j^T)α_jT, \qquad \delta_j^T=\sqrt{\frac{6\ln T}{α_jT}}.
\]\nIn round t, an arbitrary set \(S_t\) of agents with remai... | [
[
{
"direction_text": "Develop a dyadic-access lemma specifically tailored to agent i's fixed Bernoulli-α_i activity. Condition on the full public history available just before each eligible round, while retaining i's own anticipated station as the only randomness. Design stopping times and truncations th... | terminated | The claimed inequality is **false as stated**. Here is a complete counterexample.
## 1. Parameters and allocation rule
Let
\[
n=2,\qquad \alpha_i=a=\frac1{100},\qquad \alpha_j=1-a=\frac{99}{100},\qquad \bar p=\frac12.
\]
Use the following admissible allocation rule:
- if only \(i\) bids, \(i\) wins with probabilit... | null | offline | -1 |
1067e1ce6c13b87c56761f2e05e4f22bdcf7c50f | Let \(X\) be a random real symmetric matrix. Assume that there exist constants \(\tau>0\) and \(\delta\in(0,1)\) such that
\[
\mathbb P\big(\operatorname{spec}(X)\cap[-\tau,\tau]=\varnothing\big)\ge 1-\delta,
\]\nand that for every Lipschitz function \(f:\mathbb R\to\mathbb R\) with Lipschitz constant \(L\),
\[
\mathbb... | [
[
{
"direction_text": "Develop a focused proof of the implication using a spectral-gap decomposition and Hölder/moment comparison. Fix a spectral-gap event A and explore consequences of the event that all eigenvalues lie outside [-τ,τ], including monotonicity of the event under enlarging the excluded inte... | terminated | Let \(d\) be the dimension of \(X\), and write its eigenvalues as
\[
\lambda_1,\dots,\lambda_d.
\]
Define
\[
g(x):=\log\max(|x|,\tau),\qquad x\in\mathbb R.
\]
Then \(g\) is \(1/\tau\)-Lipschitz. Indeed:
- if \(|x|,|y|>\tau\), then
\[
|g(x)-g(y)|=\left|\log\frac{|x|}{|y|}\right|
\le \frac{||x|-|y||}{\tau}
\le ... | null | offline | -1 |
6d0720d55792a5ceec95ba2cde767fb69fdb9e02 | Let c,r∈ℕ, let 0<l≤1/2, and let ≤ be a linear order on [0,1]^2. Let d denote Euclidean distance. For each integer k with 0≤k≤⌊r/c⌋, let Bad_{ck} be a finite set of dyadic squares of side length 2^{-ck}. For every Q∈Bad_{ck} choose a point p_Q∈Q, a strip σ_Q, and two disjoint rectangles R_1(Q),R_2(Q)⊂Q∩σ_Q, each of leng... | [
[
{
"direction_text": "Develop a local interval-stability lemma under the stated hypotheses. Fix a dyadic square Q=Bad_{ck} and p_Q, and analyze a strictly linearly ordered finite point configuration whose only ordered-separation violation of R(Q) is the fourth defined condition. Use parallel rays through... | terminated | Assume the intended convention that the marked points are distinct:
\[
Q\mapsto p_Q \text{ is injective}.
\]
This is necessary: otherwise equal representatives cannot be distinguished by the single ordered list \(S\). Under this convention, the hypotheses actually imply the slightly stronger bound
\[
2\operatorname{cos... | null | offline | -1 |
86d54a26c768c0c8ee845dd9d484da354cfa25d6 | Let $G$ be a digraph and $T\subseteq V(G)$. A separation of $G$ is a pair $(A,B)$ of vertex sets with $A\cup B=V(G)$ such that either there is no edge from $B\setminus A$ to $A\setminus B$, or there is no edge from $A\setminus B$ to $B\setminus A$. In the first case call $(A,B)$ $A$-positive, and in the second case $B$... | [
[
{
"direction_text": "Work through the alternative assumption X1⊆A2∖B2 directly. Let C=A1∩A2 and D=A1∪A2; use positivity to classify internal disjoint orders and orders at most 2 up to the deletion of entrance/tail regions. Focus especially on the role of B2∖A2∖X2 and T∖(C∩D), the possible J=A1∩B2 and I=... | terminated | Let
\[
Y_i=B_i\setminus A_i \qquad (i=1,2)
\]
be the “outside” parts of the two separations. Since \(S_i\) has order \(2\),
\[
|A_i\cap B_i|=2.
\]
Also \(X_i\subseteq Y_i\) and \(X_i\neq\varnothing\).
We only prove the case
\[
X_2\subseteq A_1\setminus B_1.
\]
The other case is exactly symmetric.
Define
\[
Z=(... | null | offline | -1 |
69d991c30f9cffa436e4d43bb334fc1d2822f14a | Let
\[
\Lambda := \frac{\log\log(1/\epsilon)}{\Delta}, \qquad 0<\epsilon<\tfrac12,\ \Delta>0.
\]\nConsider a recursive randomized procedure on weighted directed graphs with positive edge weights. Fix an original edge \(e=(u,v)\) of weight \(w(e)\), and let \(m\) be the number of edges in the original graph.
\nAssume th... | [
[
{
"direction_text": "Develop a self-contained deterministic chance-compressed lemma tailored to the hypotheses. Model a surviving copy of e by pairs consisting of a recursive call, a phase/round, and the child inherited by e (if any). Use only the stated preprocessing cut rate, per-round conditional rat... | max_layers | The statement is **false as written**. The listed hypotheses do not imply the claimed bound. One can make a single top-level call run many rounds before producing any inherited child, so the per-round rates \(2^i\Lambda w(e)\) can accumulate to a positive constant even though the claimed bound can be made \(o(1)\).
He... | null | offline | -1 |
f8c13c6ba599f9202412903ecd2f15cbc0f90a85 | "Consider a compact computable manifold M (possibly with boundary). A computational dynamical system(...TRUNCATED) | [[{"direction_text":"Investigate a realization problem for a Turing universal computation by a gener(...TRUNCATED) | max_layers | "# Research-level plan\n\nFix a universal Turing machine \\(U\\). Let \\(A\\) be the finite alphabet(...TRUNCATED) | null | offline | -1 |
f33de9fd0f51bdb2356a08edb30a67fe49ecd44d | "Let $G=(V,E)$ be a directed graph with $n=|V|$ vertices, $m=|E|$ arcs, a designated root $r\\in V$,(...TRUNCATED) | [[{"direction_text":"Develop an explicit generic prereduction theorem candidate. Starting from only (...TRUNCATED) | max_layers | "The requested theorem is **not derivable from the stated primitive**. The primitive is terminal-sen(...TRUNCATED) | null | offline | -1 |
7aae385c5e1f660e880ad78a8b357d77dbcfce4e | "Let $n\\ge 4$ and $[n-1]=\\{1,\\ldots,n-1\\}$. For $i\\in[n-1]$, set\n$$a_i(x)=\\binom{n-1}{i-1}x^{(...TRUNCATED) | [[{"direction_text":"Analyze the kernel through directed-shift total positivity of Bernstein basis f(...TRUNCATED) | max_layers | "Let \\(m=n-1\\) and write the standard Bernstein basis of degree \\(m\\) as\n\n\\[\nB_j(x)=\\binom (...TRUNCATED) | null | offline | -1 |
End of preview.
MR_rl_v4_buffer_warmstart
Offline warm-start trajectory buffer for the MR_rl_v4 meta-reasoning RL run
(verl fully-async GRPO/CISPO). Each row is a BufferedTrajectory (JSONL) providing
a frozen MR/E exploration prefix that the rollouter can sample as a starting frontier,
amortising E-generation cost during training.
Contents
mr_buffer_warmstart.jsonl— oneBufferedTrajectoryper problem:key, problem, layers, termination, terminal_answer, reward, origin, version.layersholds MR/E exploration only (FA is never a prefix).mr_buffer_warmstart.jsonl.meta.json— sidecar (key_algo, counts,max_sampled_step,max_per_problem).
Composition
- 1804 problems, full coverage of the
HerrHruby/MR_rl_v4train set (keyed bysha1-normws-v1normalized-problem hash, so_buffer_filter_trainkeeps every problem). - 1784 real prefixes (98.9%) + 20 zero-layer seeds (uncovered problems roll fresh,
sampled_step=0). - Prefix depth histogram:
{1: 34, 2: 83, 3: 436, 4: 1231}(mean 3.48).
Provenance
Prefixes rolled offline with the frozen MR_midtrain_9B_v4_condgen model via
inference.mrv4.run_entropy (single-model DP gather), then converted with
meta_reason_rl.buffer.build_trajectory_buffer --prompt-set v4 --min-layers 1 --max-sampled-step 4.
Use
export MR_BUFFER_WARMSTART=<path>/mr_buffer_warmstart.jsonl
# meta_reasoning.buffer.enable=true, meta_reasoning.buffer.warmstart_path=$MR_BUFFER_WARMSTART
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