Logic capability

QF_NIRA

Deep analysis across 2,560 official benchmark instances, with correctness and runtime breakdowns.

Solved
2,211
86.4% coverage
SAT / UNSAT
1,132 / 1,079
confirmed results
Unique solved
231
Xolver only
PAR-2
171.9
median 2.87 s

Runtime distribution

Solved instances grouped by wall-clock runtime

Solver gap

Where each stable artifact stands

Xolvera91fcd22,211
Z34.15.42,093
cvc51.3.11,945
MathSAT5.x2,009
Yices2.x1,946
BitwuzlastableN/A
Boolector3.xN/A
OpenSMT2.xN/A
SMTInterpolstableN/A
Unknown139
Timeout198
Wrong0
Crash12

Benchmarks to investigate

New capability and regressions exposed by the current run

BenchmarkLogicResultPreviousRuntimeFeatures
QF_NIRA/2026/polynomial-chain-041.smt2QF_NIRAunsattimeout3.84 s
nonlinear multiplicationmixed Int/Real
QF_NIRA/mixed/cast-product-019.smt2QF_NIRAsatunknown5.64 s
mixed Int/Realcasts