SMT-COMP 2026

The International Satisfiability Modulo Theories (SMT) Competition.

GitHub

SMT-COMP 2026

UF (Unsat Core Track)

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

Results were generated on 2026-07-25

Benchmarks: 740
Time Limit: 1200 seconds
Memory Limit: 30720 GB

Winners

Sequential PerformanceParallel PerformanceSAT Performance (parallel)UNSAT Performance (parallel)24 seconds Performance (parallel)
cvc5cvc5-cvc5cvc5

Sequential Performance Performance

SolverError ScoreCorrect ScoreCPU Time ScoreWall Time ScoreSolvedSolved UNSATUnsolvedAbstainedTimeoutMemout
cvc502273458217.728309.657367364040
z3-BooledASS ne0172992
(base +326)		1233.751303.0756656617401570
SMTInterpol011353221600.6319068.9538238235803400
UltimateEliminator+MathSAT000.000.0000740000
z3-BooledASS-base n01726661197.861267.1656556517501350
(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
cvc502273458217.728309.657367364040
z3-BooledASS ne0172992
(base +326)		1233.751303.0756656617401570
SMTInterpol011354222928.4820105.3538238235803400
UltimateEliminator+MathSAT000.000.0000740000
z3-BooledASS-base n01726661197.861267.1656556517501350
(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
cvc502273458217.728309.657367364040
z3-BooledASS ne0172992
(base +326)		1233.751303.0756656617401570
SMTInterpol011354222928.4820105.3538238235803400
UltimateEliminator+MathSAT000.000.0000740000
z3-BooledASS-base n01726661197.861267.1656556517501350
(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
cvc50209681329.39413.0067567506500
z3-BooledASS ne0170456
(base +424)		293.02361.25558558018200
SMTInterpol0999801817.43884.89317317242100
UltimateEliminator+MathSAT000.000.0000740000
z3-BooledASS-base n0170032241.67309.50554554018600
(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