Benchmark
non-incremental/UFLIA/grasshopper/instantiated/strand_sort_loop_invariant_118_3.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/sls/sls_strand_sort.spl:118:3-4:An invariant might not be maintained by a loop in procedure strand_sort
tests/spl/sls/sls_strand_sort.spl:112:14:Related location: This is the loop invariant that might not be maintained
| Benchmark |
|---|
| Size | 54746 |
| Compressed Size | 5872 |
| License |
Creative Commons Attribution 4.0 International
(CC-BY-4.0)
|
| Category | crafted |
| First Occurrence | 2014-07-21 |
| Generated By | — |
| Generated On | — |
| Generator | — |
| Dolmen OK | 1 |
| strict Dolmen OK | 1 |
| check-sat calls | 1 |
| Status | unsat |
| Inferred Status | unsat |
| Size | 54738 |
| Compressed Size | 5891 |
| Max. Term Depth | 9 |
| Asserts | 224 |
| Declared Functions | 15 |
| Declared Constants | 53 |
| Declared Sorts | 6 |
| Defined Functions | 0 |
| Defined Recursive Functions | 0 |
| Defined Sorts | 0 |
| Constants | 0 |
| Declared Datatypes | 0 |
Symbols
not | 369 |
or | 234 |
and | 169 |
= | 106 |
forall | 117 |
<= | 7 |
| | | |
Evaluations
| Evaluation |
Rating |
Solver |
Variant |
Result |
Wallclock |
CPU Time |
|
SMT-COMP 2014
|
0.25 (3/4) |
CVC3 |
CVC3 default |
unknown ❌
|
0.01670
|
0.00900
|
| |
CVC4 |
CVC4 f7118b2 default |
unsat ✅
|
13.57050
|
13.56090
|
| |
veriT |
veriT-smtcomp2014 default |
unsat ✅
|
1.04276
|
1.03484
|
| |
Z3 |
Z3-4.3.2.a054b099c1d6-x64-debian-6.0.6-SMT-COMP-2014 default |
unsat ✅
|
2.43517
|
2.42563
|
|
SMT-COMP 2015
|
0.25 (3/4) |
CVC3 |
CVC3 default |
unknown ❌
|
0.00998
|
0.00900
|
| |
CVC4 |
CVC4-master-2015-06-15-9b32405-main default |
unsat ✅
|
43.96160
|
43.97030
|
| |
|
CVC4-experimental-2015-06-15-ff5745a-main default |
unsat ✅
|
44.22910
|
44.22830
|
| |
veriT |
veriT default |
unsat ✅
|
0.45264
|
0.45193
|
| |
Z3 |
z3 4.4.0 default |
unsat ✅
|
1.41125
|
1.41079
|
|
SMT-COMP 2016
|
|
CVC4 |
CVC4-master-2016-05-27-cfef263-main default |
unsat ✅
|
38.51610
|
38.53890
|
| |
Vampire |
vampire_smt_4.1 vampire_smtcomp |
unsat ✅
|
21.05000
|
21.15030
|
| |
|
vampire_smt_4.1_parallel vampire_smtcomp |
unsat ✅
|
2.05596
|
7.72000
|
| |
veriT |
veriT-dev default |
unsat ✅
|
0.64871
|
0.64925
|
| |
Z3 |
z3-4.4.1 default |
unsat ✅
|
1.46552
|
1.46762
|
|
SMT-COMP 2017
|
|
CVC4 |
CVC4-smtcomp2017-main default |
unsat ✅
|
34.68100
|
34.67950
|
| |
Vampire |
vampire4.2-smt vampire |
unsat ✅
|
25.26330
|
101.50000
|
| |
veriT |
veriT-2017-06-17 default |
unsat ✅
|
2.38549
|
2.37939
|
| |
Z3 |
z3-4.5.0 default |
unsat ✅
|
1.94291
|
1.94193
|
|
SMT-COMP 2018
|
|
CVC4 |
master-2018-06-10-b19c840-competition-default_default |
unsat ✅
|
29.55170
|
29.54830
|
| |
Vampire |
vampire-4.3-smt_vampire_smtcomp |
unsat ✅
|
206.13400
|
819.75000
|
| |
veriT |
veriT_default |
unsat ✅
|
1.04671
|
1.04697
|
| |
Z3 |
z3-4.7.1_default |
unsat ✅
|
1.17855
|
1.17849
|
|
SMT-COMP 2021
|
0.25 (6/8) |
CVC4 |
CVC4-sq-final_default |
unsat ✅
|
24.32610
|
24.32800
|
| |
cvc5 |
cvc5-fixed_default |
unsat ✅
|
17.80360
|
17.80010
|
| |
Par4 |
Par4-wrapped-sq_default |
unsat ✅
|
2.77115
|
8.10000
|
| |
SMTInterpol |
smtinterpol-2.5-823-g881e8631_default |
unknown ❌
|
1200.05000
|
1245.73000
|
| |
UltimateEliminator |
UltimateEliminator+MathSAT-5.6.6_default |
unknown ❌
|
2.95213
|
5.39804
|
| |
Vampire |
vampire_smt_4.6-fixed_vampire_smtcomp |
unsat ✅
|
21.26380
|
84.05000
|
| |
|
vampire_smt_4.5_vampire_smtcomp |
unsat ✅
|
21.75210
|
85.96000
|
| |
veriT |
veriT_default |
unsat ✅
|
0.89253
|
0.89290
|
| |
Z3 |
z3-4.8.11_default |
unsat ✅
|
0.82226
|
0.82212
|
| |
|
z3-4.8.8_default |
unsat ✅
|
0.84968
|
0.84962
|
|
SMT-COMP 2022
|
0.17 (5/6) |
CVC4 |
CVC4-sq-final_default |
unsat ✅
|
36.55700
|
36.55530
|
| |
cvc5 |
cvc5-default-2022-07-02-b15e116-wrapped_sq |
unsat ✅
|
27.16050
|
27.16240
|
| |
UltimateEliminator |
UltimateEliminator+MathSAT-5.6.7-wrapped_default |
unknown ❌
|
3.05552
|
5.06910
|
| |
Vampire |
vampire_4.7_smt_fix-wrapped_vampire_smtcomp |
unsat ✅
|
16.99650
|
67.11000
|
| |
veriT |
veriT_default |
unsat ✅
|
0.77628
|
0.77662
|
| |
Z3 |
z3-4.8.17_default |
unsat ✅
|
0.74105
|
0.74278
|
|
SMT-COMP 2025
|
0.50 (2/4) |
cvc5 |
cvc5 |
unsat ✅
|
28.80790
|
28.68639
|
| |
iProver |
iProver v3.9.3 |
unsat ✅
|
38.02274
|
139.68972
|
| |
SMTInterpol |
SMTInterpol |
unknown ❌
|
1201.75344
|
1692.99654
|
| |
UltimateEliminator |
UltimateEliminator+MathSAT |
unknown ❌
|
1.93375
|
4.03841
|