SMT-COMP 2026

The International Satisfiability Modulo Theories (SMT) Competition.

GitHub

SMT-COMP 2026

UFNIA (Unsat Core Track)

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

Results were generated on 2026-07-25

Benchmarks: 769
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
cvc503780023521.4123614.13735735340240
z3-BooledASS ne023846
(base +3)		1615.491696.576596591100870
SMTInterpol0161512251.701458.9429129147803590
UltimateEliminator+MathSAT042362.23270.4221217480640
z3-BooledASS-base n0238433149.173230.496586581110740
(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
cvc503780023521.4123614.13735735340240
z3-BooledASS ne023846
(base +3)		1615.491696.576596591100870
SMTInterpol0161512251.701458.9429129147803590
UltimateEliminator+MathSAT042362.23270.4221217480640
z3-BooledASS-base n0238433149.173230.496586581110740
(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
cvc503780023521.4123614.13735735340240
z3-BooledASS ne023846
(base +3)		1615.491696.576596591100870
SMTInterpol0161512251.701458.9429129147803590
UltimateEliminator+MathSAT042362.23270.4221217480640
z3-BooledASS-base n0238433149.173230.496586581110740
(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
cvc5033792897.84971.34597597316900
z3-BooledASS ne023685
(base +9)		791.86871.296466461410900
SMTInterpol0161461138.99670.582872877840400
UltimateEliminator+MathSAT034143.8090.23171762312900
z3-BooledASS-base n023676767.51846.316406401511400
(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