SMT-COMP 2026

The International Satisfiability Modulo Theories (SMT) Competition.

GitHub

SMT-COMP 2026

QF_AX (Unsat Core Track)

Competition results for the QF_AX logic in the Unsat Core Track. Chart

Results were generated on 2026-07-25

Benchmarks: 202
Time Limit: 1200 seconds
Memory Limit: 30720 GB

Winners

Sequential PerformanceParallel PerformanceSAT Performance (parallel)UNSAT Performance (parallel)24 seconds Performance (parallel)
Yices2Yices2-Yices2Yices2

Sequential Performance Performance

SolverError ScoreCorrect ScoreCPU Time ScoreWall Time ScoreSolvedSolved UNSATUnsolvedAbstainedTimeoutMemout
Yices203864132.8357.792022020000
z3-BooledASS ne038181
(base +0)		45.4670.272022020000
cvc5032502111.90136.592022020000
OpenSMT (min-ucore)06277200.477212.00898911301130
OpenSMT0430114.04139.182022020000
SMTInterpol0429611.32273.992022020000
z3-BooledASS-base n03818145.6370.392022020000
(base +/- n): for derived solvers: increment over base solver
ne: not eligible for winning as it does not substantially improve over the base solver (at least 10 % improvement in PAR2 score) n: non-competing solver

Parallel Performance Performance

SolverError ScoreCorrect ScoreCPU Time ScoreWall Time ScoreSolvedSolved UNSATUnsolvedAbstainedTimeoutMemout
Yices203864132.8357.792022020000
z3-BooledASS ne038181
(base +0)		45.4670.272022020000
cvc5032502111.90136.592022020000
OpenSMT (min-ucore)06277200.477212.00898911301130
OpenSMT0430114.04139.182022020000
SMTInterpol0429611.32273.992022020000
z3-BooledASS-base n03818145.6370.392022020000
(base +/- n): for derived solvers: increment over base solver
ne: not eligible for winning as it does not substantially improve over the base solver (at least 10 % improvement in PAR2 score) n: non-competing solver

UNSAT Performance Performance

SolverError ScoreCorrect ScoreCPU Time ScoreWall Time ScoreSolvedSolved UNSATUnsolvedAbstainedTimeoutMemout
Yices203864132.8357.792022020000
z3-BooledASS ne038181
(base +0)		45.4670.272022020000
cvc5032502111.90136.592022020000
OpenSMT (min-ucore)06277200.477212.00898911301130
OpenSMT0430114.04139.182022020000
SMTInterpol0429611.32273.992022020000
z3-BooledASS-base n03818145.6370.392022020000
(base +/- n): for derived solvers: increment over base solver
ne: not eligible for winning as it does not substantially improve over the base solver (at least 10 % improvement in PAR2 score) n: non-competing solver

24 seconds Performance Performance

SolverError ScoreCorrect ScoreCPU Time ScoreWall Time ScoreSolvedSolved UNSATUnsolvedAbstainedTimeoutMemout
Yices203864132.8357.792022020000
z3-BooledASS ne038181
(base +0)		45.4670.272022020000
cvc5032502111.90136.592022020000
OpenSMT (min-ucore)0552145.33153.536666013600
OpenSMT0430114.04139.182022020000
SMTInterpol0429611.32273.992022020000
z3-BooledASS-base n03818145.6370.392022020000
(base +/- n): for derived solvers: increment over base solver
ne: not eligible for winning as it does not substantially improve over the base solver (at least 10 % improvement in PAR2 score) n: non-competing solver