Research discovery

Unique capability

Turn solver disagreements into research questions by locating exactly where Xolver wins—and where it still loses.

Xolver only
87
no baseline solves
Xolver > Z3
231
Z3 does not solve
Xolver > cvc5
318
cvc5 does not solve
Xolver > MathSAT
344
MathSAT does not solve
Xolver > Yices
367
Yices does not solve
Xolver > OpenSMT
402
OpenSMT does not solve
Xolver > SMTInterpol
421
SMTInterpol does not solve
Competitor only
142
research backlog

Capability frontier

Benchmark-level disagreements, tagged by likely solver feature

BenchmarkLogicResultPreviousRuntimeFeatures
QF_NIRA/2026/polynomial-chain-041.smt2QF_NIRAunsattimeout3.84 s
nonlinear multiplicationmixed Int/Real
QF_NIA/2026/div-mod-boundary-118.smt2QF_NIAsatunknown8.21 s
mod/divboundary
QF_NRA/meti-tarski/exp-0072.smt2QF_NRAunsattimeout910 ms
transcendental reduction
QF_UFNIA/scheduling/uf-mul-233.smt2QF_UFNIAtimeoutsat20.0 min
UF+NIAlarge Boolean skeleton
QF_NIA/ultimate/prime-cone-882.smt2QF_NIAunknownunsat18.50 s
many disequalities
QF_NRA/hylaa/reach-14-06.smt2QF_NRAsattimeout1.34 s
interval propagation
QF_NIRA/mixed/cast-product-019.smt2QF_NIRAsatunknown5.64 s
mixed Int/Realcasts
QF_UFNIA/locks/model-071.smt2QF_UFNIAunsattimeout22.10 s
UF+NIA