Benchmark

non-incremental/UF/grasshopper/uninstantiated/rec_filter_postcondition_of_rec_filter_20_4.smt2 

GRASShopper benchmarks.
  Authors: Ruzica Piskac, Thomas Wies, and Damien Zufferey
  URL: http://cs.nyu.edu/wies/software/grasshopper
  See also: GRASShopper - Complete Heap Verification with Mixed Specifications. In TACAS 2014, pages 124-139.

  If this benchmark is satisfiable, GRASShopper reports the following error message:
  tests/spl/sl/rec_filter.spl:20:4-13:A postcondition of procedure rec_filter might not hold at this return point
  tests/spl/sl/rec_filter.spl:11:10-25:Related location: This is the postcondition that might not hold
Benchmark
Size13497
Compressed Size2314
License Creative Commons Attribution 4.0 International (CC-BY-4.0)
Categorycrafted
First Occurrence2014-07-21
Generated By—
Generated On—
Generator—
Dolmen OK1
strict Dolmen OK1
check-sat calls1
Query 1
Status unsat
Inferred Status unsat
Size 13489
Compressed Size2374
Max. Term Depth10
Asserts 69
Declared Functions12
Declared Constants34
Declared Sorts 4
Defined Functions0
Defined Recursive Functions 0
Defined Sorts0
Constants0
Declared Datatypes0

Symbols

not79 or53 and44 =51
forall30

Evaluations

Evaluation Rating Solver Variant Result Wallclock CPU Time
SMT-COMP 2014 0.50 (2/4) CVC3 CVC3 default unknown ❌ 2399.70000 2400.52000
CVC4 CVC4 f7118b2 default unsat ✅ 1.49134 1.47777
veriT veriT-smtcomp2014 default unknown ❌ 356.69500 356.82700
Z3 Z3-4.3.2.a054b099c1d6-x64-debian-6.0.6-SMT-COMP-2014 default unsat ✅ 13.47910 13.47400
SMT-COMP 2015 0.50 (2/4) CVC3 CVC3 default unknown ❌ 2400.66000 2401.30000
CVC4 CVC4-master-2015-06-15-9b32405-main default unsat ✅ 4.69692 4.69629
CVC4-experimental-2015-06-15-ff5745a-main default unsat ✅ 4.83519 4.83426
veriT veriT default unknown ❌ 2400.01000 2400.84000
Z3 z3 4.4.0 default unsat ✅ 100.68400 100.72600
SMT-COMP 2016 0.33 (4/6) CVC4 CVC4-master-2016-05-27-cfef263-main default unsat ✅ 0.74401 0.74464
Vampire vampire_smt_4.1 vampire_smtcomp unsat ✅ 0.04632 0.04674
vampire_smt_4.1_parallel vampire_smtcomp unsat ✅ 0.05884 0.04218
veriT veriT-dev default unsat ✅ 0.28706 0.28737
Z3 z3-4.4.1 default unsat ✅ 140.25600 140.31100
SMT-COMP 2017 0.33 (4/6) CVC4 CVC4-smtcomp2017-main default unsat ✅ 3.43955 3.43811
Vampire vampire4.2-smt vampire unsat ✅ 0.05556 0.05153
veriT veriT-2017-06-17 default unsat ✅ 1.50047 1.49921
Z3 z3-4.5.0 default unsat ✅ 86.72600 86.70990
SMT-COMP 2018 0.33 (4/6) CVC4 master-2018-06-10-b19c840-competition-default_default unsat ✅ 7.38754 7.38733
Vampire vampire-4.3-smt_vampire_smtcomp unsat ✅ 0.09633 0.05023
veriT veriT_default unsat ✅ 1.56423 1.56434
Z3 z3-4.7.1_default unsat ✅ 137.28900 137.28900
SMT-COMP 2019 0.25 (6/8) Alt-Ergo Alt-Ergo-SMTComp-2019-wrapped-sq_default unsat ✅ 65.30380 258.48000
CVC4 CVC4-2019-06-03-d350fe1-wrapped-sq_default unsat ✅ 3.15095 3.15126
master-2018-06-10-b19c840-competition-default_default unsat ✅ 7.58208 7.58151
Par4 Par4-wrapped-sq_default unsat ✅ 6.35920 18.88000
SMTInterpol smtinterpol-2.5-514-wrapped-sq_default unknown ❌ 2400.05000 2407.79000
UltimateEliminator UltimateEliminator+MathSAT-5.5.4-wrapped-sq_default unknown ❌ 2.31881 3.37873
UltimateEliminator+SMTInterpol-wrapped-sq_default unknown ❌ 2.17791 3.41606
UltimateEliminator+Yices-2.6.1-wrapped-sq_default unknown ❌ 2.21730 3.43385
Vampire vampire-4.4-smtcomp-wrapped-sq_default unsat ✅ 0.10671 0.09622
vampire-4.3-smt_vampire_smtcomp unsat ✅ 0.05139 0.05110
veriT veriT-wrapped-sq_default unsat ✅ 6.35027 6.34562
Z3 z3-4.8.4-d6df51951f4c-wrapped-sq_default unsat ✅ 90.71960 90.70940
SMT-COMP 2020 0.29 (5/7) Alt-Ergo Alt-Ergo-SMTComp-2020_default unsat ✅ 38.11060 150.96000
CVC4 CVC4-sq-final_default unsat ✅ 0.59983 0.60008
CVC4-2019-06-03-d350fe1-wrapped-sq_default unsat ✅ 0.53700 0.53729
SMTInterpol smtinterpol-2.5-679-gacfde87a_default unknown ❌ 1200.02000 1234.97000
UltimateEliminator UltimateEliminator+MathSAT-5.6.3_s_default unknown ❌ 2.33014 3.42604
Vampire vampire_smt_4.5_vampire_smtcomp unsat ✅ 0.05730 0.05713
vampire-4.3-smt_vampire_smtcomp unsat ✅ 0.05561 0.05547
veriT veriT_default unsat ✅ 1.13050 1.13081
veriT+vite_default unsat ✅ 0.21952 0.21986
Z3 z3-4.8.8_default unsat ✅ 5.45448 5.45462
SMT-COMP 2023 0.33 (4/6) cvc5 cvc5-default-2023-05-16-ea045f305_sq unsat ✅ 0.59134 0.59181
cvc5-default-2022-07-02-b15e116-wrapped_sq unsat ✅ 0.47651 0.47710
iProver iProver-3.8-fix_iprover_SMT unsat ✅ 0.64887 1.03628
SMTInterpol smtinterpol-2.5-1272-g2d6d356c_default unknown ❌ 1200.13000 1229.29000
UltimateEliminator UltimateEliminator+MathSAT-5.6.9_default unknown ❌ 2.90028 4.84157
Vampire vampire_4.8_smt_pre_vampire_smtcomp unsat ✅ 0.06204 0.06176
Yices2 Yices 2 for SMTCOMP 2023_default unsat ✅ 7.84586 7.84570
SMT-COMP 2025 0.40 (3/5) cvc5 cvc5 unsat ✅ 7.86452 7.74232
iProver iProver v3.9.3 unsat ✅ 0.89579 1.56196
SMTInterpol SMTInterpol unknown ❌ 1201.58157 1524.27750
UltimateEliminator UltimateEliminator+MathSAT unknown ❌ 1.89326 4.11375
Yices2 Yices2 unsat ✅ 4.78090 4.65458