Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r098-tall-177955695700716.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
..................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is DLCshifumi-PT-4a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695700716
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.4M
-rw-r--r-- 1 mcc users 8.6K Mar 6 17:32 CTLCardinality.txt
-rw-r--r-- 1 mcc users 98K Mar 6 17:32 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Mar 6 17:30 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K Mar 6 17:30 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 09:29 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 09:29 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 09:30 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:30 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 17:35 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 129K Mar 6 17:35 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.3K Mar 6 17:33 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 69K Mar 6 17:33 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:30 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:30 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.9M Mar 3 18:30 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DLCshifumi-PT-4a-LTLFireability-00
FORMULA_NAME DLCshifumi-PT-4a-LTLFireability-01
FORMULA_NAME DLCshifumi-PT-4a-LTLFireability-02
FORMULA_NAME DLCshifumi-PT-4a-LTLFireability-03
FORMULA_NAME DLCshifumi-PT-4a-LTLFireability-04
FORMULA_NAME DLCshifumi-PT-4a-LTLFireability-05
FORMULA_NAME DLCshifumi-PT-4a-LTLFireability-06
FORMULA_NAME DLCshifumi-PT-4a-LTLFireability-07
FORMULA_NAME DLCshifumi-PT-4a-LTLFireability-08
FORMULA_NAME DLCshifumi-PT-4a-LTLFireability-09
FORMULA_NAME DLCshifumi-PT-4a-LTLFireability-10
FORMULA_NAME DLCshifumi-PT-4a-LTLFireability-11
FORMULA_NAME DLCshifumi-PT-4a-LTLFireability-12
FORMULA_NAME DLCshifumi-PT-4a-LTLFireability-13
FORMULA_NAME DLCshifumi-PT-4a-LTLFireability-14
FORMULA_NAME DLCshifumi-PT-4a-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779655132958

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DLCshifumi-PT-4a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-24 20:38:54] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 20:38:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 20:38:54] [INFO ] Load time of PNML (sax parser for PT used): 261 ms
[2026-05-24 20:38:54] [INFO ] Transformed 1178 places.
[2026-05-24 20:38:54] [INFO ] Transformed 7504 transitions.
[2026-05-24 20:38:54] [INFO ] Found NUPN structural information;
[2026-05-24 20:38:54] [INFO ] Parsed PT model containing 1178 places and 7504 transitions and 28610 arcs in 383 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
Ensure Unique test removed 924 transitions
Reduce redundant transitions removed 924 transitions.
FORMULA DLCshifumi-PT-4a-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCshifumi-PT-4a-LTLFireability-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 64 out of 1178 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1178/1178 places, 6580/6580 transitions.
Discarding 150 places :
Symmetric choice reduction at 0 with 150 rule applications. Total rules 150 place count 1028 transition count 5455
Iterating global reduction 0 with 150 rules applied. Total rules applied 300 place count 1028 transition count 5455
Ensure Unique test removed 72 transitions
Reduce isomorphic transitions removed 72 transitions.
Iterating post reduction 0 with 72 rules applied. Total rules applied 372 place count 1028 transition count 5383
Drop transitions (Redundant composition of simpler transitions.) removed 1770 transitions
Redundant transition composition rules discarded 1770 transitions
Iterating global reduction 1 with 1770 rules applied. Total rules applied 2142 place count 1028 transition count 3613
Applied a total of 2142 rules in 504 ms. Remains 1028 /1178 variables (removed 150) and now considering 3613/6580 (removed 2967) transitions.
[2026-05-24 20:38:55] [INFO ] Flow matrix only has 594 transitions (discarded 3019 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11766656691669449249.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16468845102079563127.kers'
[2026-05-24 20:38:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11766656691669449249.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16468845102079563127.kers]
Normalized transition count is 593 out of 594 initially.
Culling duplicate invariants (modulo rational): removing 612 columns.
Culled 612 columns in 0 ms.
// Phase 1: matrix 593 rows 416 cols 1264 entries
Finished phase 1 with 337 SingleSign rule and 0 generalized
[2026-05-24 20:38:55] [INFO ] Computed 691 invariants in 2 ms
Computed 691 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-16468845102079563127.kers
Total runtime 3 ms.
[2026-05-24 20:38:59] [INFO ] Implicit Places using invariants in 4549 ms returned [416, 417, 418, 419, 420, 421, 422, 423, 424, 425, 426, 427, 428, 429, 430, 431, 432, 433, 434, 435, 436, 438, 439, 440, 441, 442, 443, 444, 445, 446, 447, 448, 449, 450, 451, 452, 453, 454, 455, 456, 457, 458, 459, 460, 461, 462, 463, 464, 465, 466, 467, 468, 469, 470, 472, 473, 474, 475, 476, 477, 478, 479, 480, 481, 483, 484, 485, 486, 487, 488, 489, 490, 491, 492, 493, 494, 495, 496, 497, 498, 499, 500, 501, 502, 503, 504, 506, 507, 508, 509, 510, 511, 512, 513, 514, 515, 516, 517, 518, 519, 520, 521, 522, 523, 524, 525, 528, 529, 530, 531, 532, 533, 534, 535, 536, 537, 538, 539, 540, 541, 542, 543, 544, 545, 546, 547, 548, 549, 550, 551, 552, 553, 554, 555, 556, 557, 558, 559, 560, 561, 562, 564, 565, 566, 567, 568, 569, 570, 572, 573, 574, 576, 577, 578, 579, 580, 581, 582, 583, 584, 585, 586, 587, 588, 589, 591, 592, 593, 594, 595, 596, 597, 598, 599, 600, 601, 602, 603, 604, 605, 606, 607, 608, 609, 610, 611, 612, 613, 614, 615, 616, 617, 618, 619, 620, 621, 622, 623, 624, 625, 626, 627, 628, 629, 630, 631, 633, 634, 636, 638, 639, 640, 641, 642, 643, 644, 645, 646, 647, 648, 649, 650, 651, 652, 653, 654, 655, 657, 658, 659, 660, 661, 662, 663, 664, 665, 666, 667, 668, 669, 670, 671, 672, 673, 675, 676, 677, 678, 679, 680, 681, 682, 683, 684, 685, 686, 687, 688, 689, 690, 691, 692, 693, 695, 696, 697, 698, 699, 700, 701, 702, 703, 704, 705, 706, 708, 709, 710, 711, 712, 713, 714, 715, 716, 717, 718, 719, 720, 721, 722, 723, 724, 725, 726, 727, 728, 729, 730, 731, 733, 734, 735, 736, 737, 738, 739, 740, 741, 742, 743, 744, 745, 746, 748, 749, 750, 751, 752, 753, 754, 755, 756, 757, 758, 759, 760, 762, 764, 765, 766, 767, 768, 769, 770, 771, 772, 773, 774, 775, 776, 777, 778, 779, 780, 781, 782, 783, 784, 785, 786, 787, 788, 789, 790, 791, 792, 793, 794, 795, 796, 797, 798, 799, 800, 801, 802, 803, 804, 805, 806, 807, 808, 809, 811, 812, 813, 814, 815, 816, 817, 818, 819, 820, 821, 823, 824, 826, 827, 828, 829, 830, 831, 832, 833, 834, 835, 836, 837, 838, 839, 840, 842, 843, 844, 845, 846, 847, 849, 850, 851, 852, 853, 854, 855, 856, 857, 858, 859, 860, 861, 862, 863, 864, 865, 866, 868, 869, 870, 871, 872, 873, 874, 875, 877, 878, 879, 880, 881, 882, 883, 884, 885, 886, 887, 888, 889, 890, 891, 892, 893, 894, 895, 896, 897, 898, 899, 900, 901, 902, 903, 904, 906, 907, 908, 909, 910, 911, 912, 913, 914, 915, 916, 918, 919, 920, 922, 923, 924, 925, 926, 927, 928, 929, 930, 931, 932, 933, 934, 935, 936, 937, 938, 939, 940, 941, 943, 944, 945, 946, 947, 948, 949, 950, 951, 952, 953, 954, 955, 956, 957, 958, 959, 960, 961, 962, 963, 964, 965, 966, 967, 968, 969, 970, 971, 972, 973, 974, 975, 976, 977, 978, 979, 980, 981, 982, 983, 984, 985, 986, 987, 988, 989, 990, 991, 992, 993, 995, 996, 997, 998, 999, 1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013, 1014, 1015, 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1023, 1024, 1025, 1026, 1027]
Discarding 579 places :
Ensure Unique test removed 2668 transitions
Reduce isomorphic transitions removed 2668 transitions.
Implicit Place search using SMT only with invariants took 4603 ms to find 579 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 449/1178 places, 945/6580 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 178 transitions
Redundant transition composition rules discarded 178 transitions
Iterating global reduction 0 with 178 rules applied. Total rules applied 178 place count 449 transition count 767
Applied a total of 178 rules in 17 ms. Remains 449 /449 variables (removed 0) and now considering 767/945 (removed 178) transitions.
[2026-05-24 20:38:59] [INFO ] Flow matrix only has 594 transitions (discarded 173 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5231374472078389474.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17434631777497505119.kers'
[2026-05-24 20:38:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5231374472078389474.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17434631777497505119.kers]
Normalized transition count is 593 out of 594 initially.
Culling duplicate invariants (modulo rational): removing 33 columns.
Culled 33 columns in 0 ms.
// Phase 1: matrix 593 rows 416 cols 1264 entries
Finished phase 1 with 337 SingleSign rule and 0 generalized
[2026-05-24 20:38:59] [INFO ] Computed 112 invariants in 1 ms
Computed 112 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-17434631777497505119.kers
Total runtime 2 ms.
[2026-05-24 20:38:59] [INFO ] Implicit Places using invariants in 76 ms returned []
[2026-05-24 20:38:59] [INFO ] Flow matrix only has 594 transitions (discarded 173 similar events)
[2026-05-24 20:38:59] [INFO ] Invariant cache hit.
[2026-05-24 20:39:00] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:39:00] [INFO ] Implicit Places using invariants and state equation in 202 ms returned []
Implicit Place search using SMT with State Equation took 281 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 449/1178 places, 767/6580 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 5427 ms. Remains : 449/1178 places, 767/6580 transitions.
Starting structural reductions in LTL mode, iteration 0 : 449/449 places, 767/767 transitions.
Applied a total of 0 rules in 7 ms. Remains 449 /449 variables (removed 0) and now considering 767/767 (removed 0) transitions.
[2026-05-24 20:39:00] [INFO ] Flow matrix only has 594 transitions (discarded 173 similar events)
[2026-05-24 20:39:00] [INFO ] Invariant cache hit.
[2026-05-24 20:39:00] [INFO ] Implicit Places using invariants in 72 ms returned []
[2026-05-24 20:39:00] [INFO ] Flow matrix only has 594 transitions (discarded 173 similar events)
[2026-05-24 20:39:00] [INFO ] Invariant cache hit.
[2026-05-24 20:39:00] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:39:00] [INFO ] Implicit Places using invariants and state equation in 206 ms returned []
Implicit Place search using SMT with State Equation took 281 ms to find 0 implicit places.
Running 766 sub problems to find dead transitions.
[2026-05-24 20:39:00] [INFO ] Flow matrix only has 594 transitions (discarded 173 similar events)
[2026-05-24 20:39:00] [INFO ] Invariant cache hit.
[2026-05-24 20:39:00] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 766 unsolved
At refinement iteration 1 (OVERLAPS) 1/416 variables, 79/79 constraints. Problems are: Problem set: 0 solved, 766 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/416 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 766 unsolved
At refinement iteration 3 (OVERLAPS) 33/449 variables, 33/112 constraints. Problems are: Problem set: 0 solved, 766 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 449/1043 variables, and 112 constraints, problems are : Problem set: 0 solved, 766 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 112/112 constraints, State Equation: 0/449 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 766/766 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 766 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 766 unsolved
At refinement iteration 1 (OVERLAPS) 1/416 variables, 79/79 constraints. Problems are: Problem set: 0 solved, 766 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/416 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 766 unsolved
At refinement iteration 3 (OVERLAPS) 33/449 variables, 33/112 constraints. Problems are: Problem set: 0 solved, 766 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/449 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 766 unsolved
At refinement iteration 5 (OVERLAPS) 593/1042 variables, 449/561 constraints. Problems are: Problem set: 0 solved, 766 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1042 variables, 766/1327 constraints. Problems are: Problem set: 0 solved, 766 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1042/1043 variables, and 1327 constraints, problems are : Problem set: 0 solved, 766 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 112/112 constraints, State Equation: 449/449 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 766/766 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60245ms problems are : Problem set: 0 solved, 766 unsolved
Search for dead transitions found 0 dead transitions in 60258ms
Finished structural reductions in LTL mode , in 1 iterations and 60568 ms. Remains : 449/449 places, 767/767 transitions.
Support contains 64 out of 449 places after structural reductions.
[2026-05-24 20:40:00] [INFO ] Flatten gal took : 73 ms
[2026-05-24 20:40:00] [INFO ] Flatten gal took : 30 ms
[2026-05-24 20:40:01] [INFO ] Input system was already deterministic with 767 transitions.
Support contains 61 out of 449 places (down from 64) after GAL structural reductions.
RANDOM walk for 35740 steps (7 resets) in 2138 ms. (16 steps per ms) remains 0/39 properties
Computed a total of 34 stabilizing places and 1 stable transitions
Graph (complete) has 878 edges and 449 vertex of which 416 are kept as prefixes of interest. Removing 33 places using SCC suffix rule.14 ms
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(X(G(p0))))&&F((!p0 U (p1||G(!p0)))))))'
Support contains 4 out of 449 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 449/449 places, 767/767 transitions.
Reduce places removed 31 places and 0 transitions.
Iterating post reduction 0 with 31 rules applied. Total rules applied 31 place count 418 transition count 767
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 39 place count 410 transition count 751
Iterating global reduction 1 with 8 rules applied. Total rules applied 47 place count 410 transition count 751
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 50 place count 410 transition count 748
Applied a total of 50 rules in 22 ms. Remains 410 /449 variables (removed 39) and now considering 748/767 (removed 19) transitions.
[2026-05-24 20:40:02] [INFO ] Flow matrix only has 583 transitions (discarded 165 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16612148008802851220.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3092370010195461693.kers'
[2026-05-24 20:40:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16612148008802851220.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3092370010195461693.kers]
Normalized transition count is 582 out of 583 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 582 rows 408 cols 1242 entries
Finished phase 1 with 329 SingleSign rule and 0 generalized
[2026-05-24 20:40:02] [INFO ] Computed 81 invariants in 1 ms
Computed 81 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-3092370010195461693.kers
Total runtime 2 ms.
[2026-05-24 20:40:02] [INFO ] Implicit Places using invariants in 89 ms returned []
[2026-05-24 20:40:02] [INFO ] Flow matrix only has 583 transitions (discarded 165 similar events)
[2026-05-24 20:40:02] [INFO ] Invariant cache hit.
[2026-05-24 20:40:02] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:40:02] [INFO ] Implicit Places using invariants and state equation in 195 ms returned []
Implicit Place search using SMT with State Equation took 286 ms to find 0 implicit places.
Running 747 sub problems to find dead transitions.
[2026-05-24 20:40:02] [INFO ] Flow matrix only has 583 transitions (discarded 165 similar events)
[2026-05-24 20:40:02] [INFO ] Invariant cache hit.
[2026-05-24 20:40:02] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/407 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 747 unsolved
At refinement iteration 1 (OVERLAPS) 1/408 variables, 79/79 constraints. Problems are: Problem set: 0 solved, 747 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/408 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 747 unsolved
At refinement iteration 3 (OVERLAPS) 2/410 variables, 2/81 constraints. Problems are: Problem set: 0 solved, 747 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 410/993 variables, and 81 constraints, problems are : Problem set: 0 solved, 747 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 0/410 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 747/747 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 747 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/407 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 747 unsolved
At refinement iteration 1 (OVERLAPS) 1/408 variables, 79/79 constraints. Problems are: Problem set: 0 solved, 747 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/408 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 747 unsolved
At refinement iteration 3 (OVERLAPS) 2/410 variables, 2/81 constraints. Problems are: Problem set: 0 solved, 747 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/410 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 747 unsolved
At refinement iteration 5 (OVERLAPS) 582/992 variables, 410/491 constraints. Problems are: Problem set: 0 solved, 747 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/992 variables, 747/1238 constraints. Problems are: Problem set: 0 solved, 747 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 992/993 variables, and 1238 constraints, problems are : Problem set: 0 solved, 747 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 410/410 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 747/747 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60163ms problems are : Problem set: 0 solved, 747 unsolved
Search for dead transitions found 0 dead transitions in 60165ms
Starting structural reductions in LTL mode, iteration 1 : 410/449 places, 748/767 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60480 ms. Remains : 410/449 places, 748/767 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(X(G(p0))))&&F((!p0 U (p1||G(!p0)))))))'
Stuttering acceptance computed with spot in 377 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p0), (AND (NOT p1) p0), (NOT p0), (NOT p0), true]
Running random walk in product with property : DLCshifumi-PT-4a-LTLFireability-01
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 2 ms.
FORMULA DLCshifumi-PT-4a-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCshifumi-PT-4a-LTLFireability-01 finished in 60947 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Support contains 2 out of 449 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 449/449 places, 767/767 transitions.
Reduce places removed 32 places and 0 transitions.
Iterating post reduction 0 with 32 rules applied. Total rules applied 32 place count 417 transition count 767
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 39 place count 410 transition count 753
Iterating global reduction 1 with 7 rules applied. Total rules applied 46 place count 410 transition count 753
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 49 place count 410 transition count 750
Applied a total of 49 rules in 22 ms. Remains 410 /449 variables (removed 39) and now considering 750/767 (removed 17) transitions.
[2026-05-24 20:41:03] [INFO ] Flow matrix only has 584 transitions (discarded 166 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11487612865669123350.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10174150983456501600.kers'
[2026-05-24 20:41:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11487612865669123350.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10174150983456501600.kers]
Normalized transition count is 583 out of 584 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 583 rows 409 cols 1244 entries
Finished phase 1 with 330 SingleSign rule and 0 generalized
[2026-05-24 20:41:03] [INFO ] Computed 80 invariants in 1 ms
Computed 80 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-10174150983456501600.kers
Total runtime 2 ms.
[2026-05-24 20:41:03] [INFO ] Implicit Places using invariants in 63 ms returned []
[2026-05-24 20:41:03] [INFO ] Flow matrix only has 584 transitions (discarded 166 similar events)
[2026-05-24 20:41:03] [INFO ] Invariant cache hit.
[2026-05-24 20:41:03] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:41:03] [INFO ] Implicit Places using invariants and state equation in 170 ms returned []
Implicit Place search using SMT with State Equation took 235 ms to find 0 implicit places.
Running 749 sub problems to find dead transitions.
[2026-05-24 20:41:03] [INFO ] Flow matrix only has 584 transitions (discarded 166 similar events)
[2026-05-24 20:41:03] [INFO ] Invariant cache hit.
[2026-05-24 20:41:03] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/408 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 749 unsolved
At refinement iteration 1 (OVERLAPS) 1/409 variables, 79/79 constraints. Problems are: Problem set: 0 solved, 749 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/409 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 749 unsolved
At refinement iteration 3 (OVERLAPS) 1/410 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 749 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 410/994 variables, and 80 constraints, problems are : Problem set: 0 solved, 749 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 80/80 constraints, State Equation: 0/410 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 749/749 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 749 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/408 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 749 unsolved
At refinement iteration 1 (OVERLAPS) 1/409 variables, 79/79 constraints. Problems are: Problem set: 0 solved, 749 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/409 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 749 unsolved
At refinement iteration 3 (OVERLAPS) 1/410 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 749 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/410 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 749 unsolved
At refinement iteration 5 (OVERLAPS) 583/993 variables, 410/490 constraints. Problems are: Problem set: 0 solved, 749 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/993 variables, 749/1239 constraints. Problems are: Problem set: 0 solved, 749 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 993/994 variables, and 1239 constraints, problems are : Problem set: 0 solved, 749 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 80/80 constraints, State Equation: 410/410 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 749/749 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60113ms problems are : Problem set: 0 solved, 749 unsolved
Search for dead transitions found 0 dead transitions in 60114ms
Starting structural reductions in LTL mode, iteration 1 : 410/449 places, 750/767 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60374 ms. Remains : 410/449 places, 750/767 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Stuttering acceptance computed with spot in 132 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : DLCshifumi-PT-4a-LTLFireability-02
Entered a terminal (fully accepting) state of product in 39 steps with 0 reset in 4 ms.
FORMULA DLCshifumi-PT-4a-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCshifumi-PT-4a-LTLFireability-02 finished in 60554 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(((F((p1&&X(G((p1||X(X(G(!p2))))))))&&p0) U p3))))'
Support contains 7 out of 449 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 449/449 places, 767/767 transitions.
Reduce places removed 30 places and 0 transitions.
Iterating post reduction 0 with 30 rules applied. Total rules applied 30 place count 419 transition count 767
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 37 place count 412 transition count 753
Iterating global reduction 1 with 7 rules applied. Total rules applied 44 place count 412 transition count 753
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 47 place count 412 transition count 750
Applied a total of 47 rules in 16 ms. Remains 412 /449 variables (removed 37) and now considering 750/767 (removed 17) transitions.
[2026-05-24 20:42:03] [INFO ] Flow matrix only has 584 transitions (discarded 166 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9175011900692131957.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15145135842955621154.kers'
[2026-05-24 20:42:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9175011900692131957.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15145135842955621154.kers]
Normalized transition count is 583 out of 584 initially.
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 583 rows 409 cols 1244 entries
Finished phase 1 with 330 SingleSign rule and 0 generalized
[2026-05-24 20:42:03] [INFO ] Computed 82 invariants in 2 ms
Computed 82 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-15145135842955621154.kers
Total runtime 4 ms.
[2026-05-24 20:42:03] [INFO ] Implicit Places using invariants in 71 ms returned []
[2026-05-24 20:42:03] [INFO ] Flow matrix only has 584 transitions (discarded 166 similar events)
[2026-05-24 20:42:03] [INFO ] Invariant cache hit.
[2026-05-24 20:42:03] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:42:03] [INFO ] Implicit Places using invariants and state equation in 172 ms returned []
Implicit Place search using SMT with State Equation took 268 ms to find 0 implicit places.
Running 749 sub problems to find dead transitions.
[2026-05-24 20:42:03] [INFO ] Flow matrix only has 584 transitions (discarded 166 similar events)
[2026-05-24 20:42:03] [INFO ] Invariant cache hit.
[2026-05-24 20:42:03] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/408 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 749 unsolved
At refinement iteration 1 (OVERLAPS) 1/409 variables, 79/79 constraints. Problems are: Problem set: 0 solved, 749 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/409 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 749 unsolved
At refinement iteration 3 (OVERLAPS) 3/412 variables, 3/82 constraints. Problems are: Problem set: 0 solved, 749 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 412/996 variables, and 82 constraints, problems are : Problem set: 0 solved, 749 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 82/82 constraints, State Equation: 0/412 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 749/749 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 749 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/408 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 749 unsolved
At refinement iteration 1 (OVERLAPS) 1/409 variables, 79/79 constraints. Problems are: Problem set: 0 solved, 749 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/409 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 749 unsolved
At refinement iteration 3 (OVERLAPS) 3/412 variables, 3/82 constraints. Problems are: Problem set: 0 solved, 749 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/412 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 749 unsolved
At refinement iteration 5 (OVERLAPS) 583/995 variables, 412/494 constraints. Problems are: Problem set: 0 solved, 749 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/995 variables, 749/1243 constraints. Problems are: Problem set: 0 solved, 749 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 995/996 variables, and 1243 constraints, problems are : Problem set: 0 solved, 749 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 82/82 constraints, State Equation: 412/412 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 749/749 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60111ms problems are : Problem set: 0 solved, 749 unsolved
Search for dead transitions found 0 dead transitions in 60112ms
Starting structural reductions in LTL mode, iteration 1 : 412/449 places, 750/767 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60398 ms. Remains : 412/449 places, 750/767 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(((F((p1&&X(G((p1||X(X(G(!p2))))))))&&p0) U p3))))'
Stuttering acceptance computed with spot in 378 ms :[(NOT p3), (NOT p3), (NOT p3), true, (NOT p1), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2)]
Running random walk in product with property : DLCshifumi-PT-4a-LTLFireability-03
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA DLCshifumi-PT-4a-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCshifumi-PT-4a-LTLFireability-03 finished in 60837 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((G(p1)||p0))))'
Support contains 4 out of 449 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 449/449 places, 767/767 transitions.
Graph (trivial) has 760 edges and 449 vertex of which 412 / 449 are part of one of the 79 SCC in 7 ms
Free SCC test removed 333 places
Ensure Unique test removed 680 transitions
Reduce isomorphic transitions removed 680 transitions.
Graph (complete) has 198 edges and 116 vertex of which 85 are kept as prefixes of interest. Removing 31 places using SCC suffix rule.1 ms
Discarding 31 places :
Also discarding 0 output transitions
Discarding 76 places :
Symmetric choice reduction at 0 with 76 rule applications. Total rules 78 place count 9 transition count 11
Iterating global reduction 0 with 76 rules applied. Total rules applied 154 place count 9 transition count 11
Applied a total of 154 rules in 24 ms. Remains 9 /449 variables (removed 440) and now considering 11/767 (removed 756) transitions.
[2026-05-24 20:43:04] [INFO ] Flow matrix only has 7 transitions (discarded 4 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7448659607333375358.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18216831853362945925.kers'
[2026-05-24 20:43:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7448659607333375358.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18216831853362945925.kers]
Normalized transition count is 6 out of 7 initially.
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 6 rows 6 cols 13 entries
Finished phase 1 with 4 SingleSign rule and 0 generalized
[2026-05-24 20:43:04] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-18216831853362945925.kers
Total runtime 0 ms.
[2026-05-24 20:43:04] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-24 20:43:04] [INFO ] Flow matrix only has 7 transitions (discarded 4 similar events)
[2026-05-24 20:43:04] [INFO ] Invariant cache hit.
[2026-05-24 20:43:04] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:43:04] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
[2026-05-24 20:43:04] [INFO ] Redundant transitions in 0 ms returned []
Running 10 sub problems to find dead transitions.
[2026-05-24 20:43:04] [INFO ] Flow matrix only has 7 transitions (discarded 4 similar events)
[2026-05-24 20:43:04] [INFO ] Invariant cache hit.
[2026-05-24 20:43:04] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 1/7 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 2/9 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 6/15 variables, 9/14 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 1/16 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/16 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (OVERLAPS) 0/16 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 16/16 variables, and 15 constraints, problems are : Problem set: 0 solved, 10 unsolved in 148 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 9/9 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 1/7 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 2/9 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 6/15 variables, 9/14 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 10/24 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/15 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (OVERLAPS) 1/16 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/16 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (OVERLAPS) 0/16 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 16/16 variables, and 25 constraints, problems are : Problem set: 0 solved, 10 unsolved in 126 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 9/9 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 276ms problems are : Problem set: 0 solved, 10 unsolved
Search for dead transitions found 0 dead transitions in 276ms
Starting structural reductions in SI_LTL mode, iteration 1 : 9/449 places, 11/767 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 345 ms. Remains : 9/449 places, 11/767 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((G(p1)||p0))))'
Stuttering acceptance computed with spot in 79 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : DLCshifumi-PT-4a-LTLFireability-04
Stuttering criterion allowed to conclude after 22 steps with 0 reset in 1 ms.
FORMULA DLCshifumi-PT-4a-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCshifumi-PT-4a-LTLFireability-04 finished in 448 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X((G(X(p0))||G(F(p1)))) U p2)))'
Support contains 2 out of 449 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 449/449 places, 767/767 transitions.
Graph (trivial) has 750 edges and 449 vertex of which 406 / 449 are part of one of the 80 SCC in 1 ms
Free SCC test removed 326 places
Ensure Unique test removed 662 transitions
Reduce isomorphic transitions removed 662 transitions.
Graph (complete) has 216 edges and 123 vertex of which 92 are kept as prefixes of interest. Removing 31 places using SCC suffix rule.1 ms
Discarding 31 places :
Also discarding 0 output transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 92 transition count 103
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 7 place count 90 transition count 102
Discarding 75 places :
Symmetric choice reduction at 2 with 75 rule applications. Total rules 82 place count 15 transition count 27
Iterating global reduction 2 with 75 rules applied. Total rules applied 157 place count 15 transition count 27
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 159 place count 15 transition count 25
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 160 place count 15 transition count 25
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 161 place count 14 transition count 24
Iterating global reduction 2 with 1 rules applied. Total rules applied 162 place count 14 transition count 24
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 163 place count 14 transition count 23
Applied a total of 163 rules in 10 ms. Remains 14 /449 variables (removed 435) and now considering 23/767 (removed 744) transitions.
[2026-05-24 20:43:04] [INFO ] Flow matrix only has 14 transitions (discarded 9 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13378038463207124544.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5862327475591384880.kers'
[2026-05-24 20:43:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13378038463207124544.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5862327475591384880.kers]
Normalized transition count is 13 out of 14 initially.
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 13 rows 11 cols 28 entries
Finished phase 1 with 8 SingleSign rule and 0 generalized
[2026-05-24 20:43:04] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5862327475591384880.kers
Total runtime 0 ms.
[2026-05-24 20:43:04] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-24 20:43:04] [INFO ] Flow matrix only has 14 transitions (discarded 9 similar events)
[2026-05-24 20:43:04] [INFO ] Invariant cache hit.
[2026-05-24 20:43:04] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:43:04] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 38 ms to find 0 implicit places.
[2026-05-24 20:43:04] [INFO ] Redundant transitions in 0 ms returned []
Running 22 sub problems to find dead transitions.
[2026-05-24 20:43:04] [INFO ] Flow matrix only has 14 transitions (discarded 9 similar events)
[2026-05-24 20:43:04] [INFO ] Invariant cache hit.
[2026-05-24 20:43:04] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 1/12 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 2/14 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/14 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (OVERLAPS) 13/27 variables, 14/20 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/27 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 7 (OVERLAPS) 1/28 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/28 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 9 (OVERLAPS) 0/28 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Real declared 28/28 variables, and 21 constraints, problems are : Problem set: 0 solved, 22 unsolved in 291 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 22 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 1/12 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 2/14 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/14 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (OVERLAPS) 13/27 variables, 14/20 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/27 variables, 22/42 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/27 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 8 (OVERLAPS) 1/28 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/28 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 10 (OVERLAPS) 0/28 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Int declared 28/28 variables, and 43 constraints, problems are : Problem set: 0 solved, 22 unsolved in 251 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 549ms problems are : Problem set: 0 solved, 22 unsolved
Search for dead transitions found 0 dead transitions in 549ms
Starting structural reductions in SI_LTL mode, iteration 1 : 14/449 places, 23/767 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 601 ms. Remains : 14/449 places, 23/767 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X((G(X(p0))||G(F(p1)))) U p2)))'
Stuttering acceptance computed with spot in 40 ms :[(NOT p2)]
Running random walk in product with property : DLCshifumi-PT-4a-LTLFireability-06
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA DLCshifumi-PT-4a-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCshifumi-PT-4a-LTLFireability-06 finished in 676 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 449 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 449/449 places, 767/767 transitions.
Graph (trivial) has 757 edges and 449 vertex of which 409 / 449 are part of one of the 79 SCC in 1 ms
Free SCC test removed 330 places
Ensure Unique test removed 672 transitions
Reduce isomorphic transitions removed 672 transitions.
Graph (complete) has 206 edges and 119 vertex of which 87 are kept as prefixes of interest. Removing 32 places using SCC suffix rule.0 ms
Discarding 32 places :
Also discarding 0 output transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 87 transition count 94
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 4 place count 86 transition count 94
Discarding 77 places :
Symmetric choice reduction at 2 with 77 rule applications. Total rules 81 place count 9 transition count 17
Iterating global reduction 2 with 77 rules applied. Total rules applied 158 place count 9 transition count 17
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 160 place count 9 transition count 15
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 161 place count 9 transition count 15
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 162 place count 8 transition count 14
Iterating global reduction 2 with 1 rules applied. Total rules applied 163 place count 8 transition count 14
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 164 place count 8 transition count 13
Applied a total of 164 rules in 9 ms. Remains 8 /449 variables (removed 441) and now considering 13/767 (removed 754) transitions.
[2026-05-24 20:43:05] [INFO ] Flow matrix only has 9 transitions (discarded 4 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3923122273876212495.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11061791494252400809.kers'
[2026-05-24 20:43:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3923122273876212495.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11061791494252400809.kers]
Normalized transition count is 8 out of 9 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 8 rows 6 cols 16 entries
Finished phase 1 with 5 SingleSign rule and 0 generalized
[2026-05-24 20:43:05] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11061791494252400809.kers
Total runtime 0 ms.
[2026-05-24 20:43:05] [INFO ] Implicit Places using invariants in 15 ms returned []
[2026-05-24 20:43:05] [INFO ] Flow matrix only has 9 transitions (discarded 4 similar events)
[2026-05-24 20:43:05] [INFO ] Invariant cache hit.
[2026-05-24 20:43:05] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:43:05] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
[2026-05-24 20:43:05] [INFO ] Redundant transitions in 0 ms returned []
Running 12 sub problems to find dead transitions.
[2026-05-24 20:43:05] [INFO ] Flow matrix only has 9 transitions (discarded 4 similar events)
[2026-05-24 20:43:05] [INFO ] Invariant cache hit.
[2026-05-24 20:43:05] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 1/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 8/16 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/16 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 1/17 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/17 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/17 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 17/17 variables, and 12 constraints, problems are : Problem set: 0 solved, 12 unsolved in 130 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 1/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 8/16 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/16 variables, 12/23 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/16 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 1/17 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/17 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (OVERLAPS) 0/17 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 17/17 variables, and 24 constraints, problems are : Problem set: 0 solved, 12 unsolved in 122 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 254ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 254ms
Starting structural reductions in SI_LTL mode, iteration 1 : 8/449 places, 13/767 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 317 ms. Remains : 8/449 places, 13/767 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 73 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : DLCshifumi-PT-4a-LTLFireability-07
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA DLCshifumi-PT-4a-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCshifumi-PT-4a-LTLFireability-07 finished in 412 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0||X(p1)) U (!p2 U (p3||G(!p2))))))'
Support contains 8 out of 449 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 449/449 places, 767/767 transitions.
Reduce places removed 29 places and 0 transitions.
Iterating post reduction 0 with 29 rules applied. Total rules applied 29 place count 420 transition count 767
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 36 place count 413 transition count 753
Iterating global reduction 1 with 7 rules applied. Total rules applied 43 place count 413 transition count 753
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 46 place count 413 transition count 750
Applied a total of 46 rules in 17 ms. Remains 413 /449 variables (removed 36) and now considering 750/767 (removed 17) transitions.
[2026-05-24 20:43:06] [INFO ] Flow matrix only has 584 transitions (discarded 166 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-888027357004685874.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2581192818067145194.kers'
[2026-05-24 20:43:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-888027357004685874.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2581192818067145194.kers]
Normalized transition count is 583 out of 584 initially.
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 583 rows 409 cols 1244 entries
Finished phase 1 with 330 SingleSign rule and 0 generalized
[2026-05-24 20:43:06] [INFO ] Computed 83 invariants in 1 ms
Computed 83 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-2581192818067145194.kers
Total runtime 2 ms.
[2026-05-24 20:43:06] [INFO ] Implicit Places using invariants in 64 ms returned []
[2026-05-24 20:43:06] [INFO ] Flow matrix only has 584 transitions (discarded 166 similar events)
[2026-05-24 20:43:06] [INFO ] Invariant cache hit.
[2026-05-24 20:43:06] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:43:06] [INFO ] Implicit Places using invariants and state equation in 180 ms returned []
Implicit Place search using SMT with State Equation took 261 ms to find 0 implicit places.
Running 749 sub problems to find dead transitions.
[2026-05-24 20:43:06] [INFO ] Flow matrix only has 584 transitions (discarded 166 similar events)
[2026-05-24 20:43:06] [INFO ] Invariant cache hit.
[2026-05-24 20:43:06] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/408 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 749 unsolved
At refinement iteration 1 (OVERLAPS) 1/409 variables, 79/79 constraints. Problems are: Problem set: 0 solved, 749 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/409 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 749 unsolved
At refinement iteration 3 (OVERLAPS) 4/413 variables, 4/83 constraints. Problems are: Problem set: 0 solved, 749 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 413/997 variables, and 83 constraints, problems are : Problem set: 0 solved, 749 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 83/83 constraints, State Equation: 0/413 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 749/749 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 749 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/408 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 749 unsolved
At refinement iteration 1 (OVERLAPS) 1/409 variables, 79/79 constraints. Problems are: Problem set: 0 solved, 749 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/409 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 749 unsolved
At refinement iteration 3 (OVERLAPS) 4/413 variables, 4/83 constraints. Problems are: Problem set: 0 solved, 749 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/413 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 749 unsolved
At refinement iteration 5 (OVERLAPS) 583/996 variables, 413/496 constraints. Problems are: Problem set: 0 solved, 749 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/996 variables, 749/1245 constraints. Problems are: Problem set: 0 solved, 749 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 996/997 variables, and 1245 constraints, problems are : Problem set: 0 solved, 749 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 83/83 constraints, State Equation: 413/413 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 749/749 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60098ms problems are : Problem set: 0 solved, 749 unsolved
Search for dead transitions found 0 dead transitions in 60099ms
Starting structural reductions in LTL mode, iteration 1 : 413/449 places, 750/767 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60379 ms. Remains : 413/449 places, 750/767 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((X(p0)||p1) U (!p2 U (G(!p2)||p3)))))'
Stuttering acceptance computed with spot in 189 ms :[(AND p2 (NOT p3)), (AND p2 (NOT p3)), (NOT p0), (AND (NOT p3) p2 (NOT p0)), true, (AND (NOT p3) p2)]
Running random walk in product with property : DLCshifumi-PT-4a-LTLFireability-08
Product exploration explored 100000 steps with 25266 reset in 1061 ms.
Product exploration explored 100000 steps with 25238 reset in 997 ms.
Computed a total of 5 stabilizing places and 1 stable transitions
Graph (complete) has 832 edges and 413 vertex of which 409 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.3 ms
Computed a total of 5 stabilizing places and 1 stable transitions
Knowledge based reduction with 15 factoid took 138 ms. Reduced automaton from 6 states, 11 edges and 4 AP (stutter sensitive) to 6 states, 11 edges and 4 AP (stutter sensitive).
RANDOM walk for 40000 steps (8 resets) in 377 ms. (105 steps per ms) remains 1/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 442 ms. (90 steps per ms) remains 1/1 properties
[2026-05-24 20:44:09] [INFO ] Flow matrix only has 584 transitions (discarded 166 similar events)
[2026-05-24 20:44:09] [INFO ] Invariant cache hit.
[2026-05-24 20:44:09] [INFO ] State equation strengthened by 1 read => feed constraints.
Problem apf3 is UNSAT
After SMT solving in domain Real declared 6/997 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 13 ms.
Refiners :[Positive P Invariants (semi-flows): 0/83 constraints, State Equation: 0/413 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 19ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge based reduction with 16 factoid took 209 ms. Reduced automaton from 6 states, 11 edges and 4 AP (stutter sensitive) to 5 states, 8 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 174 ms :[(OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND p2 (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND p2 (NOT p3))), (NOT p0), (AND (NOT p3) (NOT p0)), true]
Knowledge-based reduction took 796 ms.
Stuttering acceptance computed with spot in 173 ms :[(OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND p2 (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND p2 (NOT p3))), (NOT p0), (AND (NOT p3) (NOT p0)), true]
Support contains 8 out of 413 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 413/413 places, 750/750 transitions.
Applied a total of 0 rules in 13 ms. Remains 413 /413 variables (removed 0) and now considering 750/750 (removed 0) transitions.
[2026-05-24 20:44:09] [INFO ] Flow matrix only has 584 transitions (discarded 166 similar events)
[2026-05-24 20:44:09] [INFO ] Invariant cache hit.
[2026-05-24 20:44:09] [INFO ] Implicit Places using invariants in 63 ms returned []
[2026-05-24 20:44:09] [INFO ] Flow matrix only has 584 transitions (discarded 166 similar events)
[2026-05-24 20:44:09] [INFO ] Invariant cache hit.
[2026-05-24 20:44:09] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:44:09] [INFO ] Implicit Places using invariants and state equation in 171 ms returned []
Implicit Place search using SMT with State Equation took 236 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 250 ms. Remains : 413/413 places, 750/750 transitions.
Computed a total of 5 stabilizing places and 1 stable transitions
Graph (complete) has 832 edges and 413 vertex of which 409 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.4 ms
Computed a total of 5 stabilizing places and 1 stable transitions
Knowledge based reduction with 14 factoid took 117 ms. Reduced automaton from 5 states, 8 edges and 4 AP (stutter sensitive) to 5 states, 8 edges and 4 AP (stutter sensitive).
RANDOM walk for 11238 steps (1 resets) in 228 ms. (49 steps per ms) remains 0/9 properties
Knowledge based reduction with 14 factoid took 233 ms. Reduced automaton from 5 states, 8 edges and 4 AP (stutter sensitive) to 5 states, 8 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 193 ms :[(OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND p2 (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND p2 (NOT p3))), (NOT p0), (AND (NOT p3) (NOT p0)), true]
Knowledge-based reduction took 677 ms.
Stuttering acceptance computed with spot in 163 ms :[(OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND p2 (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND p2 (NOT p3))), (NOT p0), (AND (NOT p3) (NOT p0)), true]
Stuttering acceptance computed with spot in 185 ms :[(OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND p2 (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND p2 (NOT p3))), (NOT p0), (AND (NOT p3) (NOT p0)), true]
Product exploration explored 100000 steps with 25110 reset in 907 ms.
Product exploration explored 100000 steps with 25194 reset in 943 ms.
Spot run failed in 321 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin5190764056994460414
[2026-05-24 20:44:13] [INFO ] Built C files in 20ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin5190764056994460414
Running compilation step : cd /tmp/ltsmin5190764056994460414;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 1096 ms.
Running link step : cd /tmp/ltsmin5190764056994460414;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 43 ms.
Running LTSmin : cd /tmp/ltsmin5190764056994460414;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased8563627363747150030.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 8 out of 413 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 413/413 places, 750/750 transitions.
Applied a total of 0 rules in 6 ms. Remains 413 /413 variables (removed 0) and now considering 750/750 (removed 0) transitions.
[2026-05-24 20:44:28] [INFO ] Flow matrix only has 584 transitions (discarded 166 similar events)
[2026-05-24 20:44:28] [INFO ] Invariant cache hit.
[2026-05-24 20:44:28] [INFO ] Implicit Places using invariants in 61 ms returned []
[2026-05-24 20:44:28] [INFO ] Flow matrix only has 584 transitions (discarded 166 similar events)
[2026-05-24 20:44:28] [INFO ] Invariant cache hit.
[2026-05-24 20:44:28] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:44:28] [INFO ] Implicit Places using invariants and state equation in 186 ms returned []
Implicit Place search using SMT with State Equation took 248 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 255 ms. Remains : 413/413 places, 750/750 transitions.
Built C files in :
/tmp/ltsmin14678530138829974129
[2026-05-24 20:44:28] [INFO ] Built C files in 12ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin14678530138829974129
Running compilation step : cd /tmp/ltsmin14678530138829974129;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 981 ms.
Running link step : cd /tmp/ltsmin14678530138829974129;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 34 ms.
Running LTSmin : cd /tmp/ltsmin14678530138829974129;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased14568983533000313671.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2026-05-24 20:44:43] [INFO ] Flatten gal took : 21 ms
[2026-05-24 20:44:43] [INFO ] Flatten gal took : 20 ms
[2026-05-24 20:44:43] [INFO ] Time to serialize gal into /tmp/LTL15593132385868437816.gal : 6 ms
[2026-05-24 20:44:43] [INFO ] Time to serialize properties into /tmp/LTL7074352740665995148.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL15593132385868437816.gal' '-t' 'CGAL' '-hoa' '/tmp/aut1337866598903931488.hoa' '-atoms' '/tmp/LTL7074352740665995148.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...318
Loading property file /tmp/LTL7074352740665995148.prop.
Loaded 4 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut1337866598903931488.hoa
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
3 unique states visited
2 strongly connected components in search stack
4 transitions explored
3 items max in DFS search stack
313 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,3.18795,123248,1,0,344,484583,33,168,9099,716055,867
an accepting run exists (use option '-e' to print it)
Formula 0 is FALSE accepting run found.
FORMULA DLCshifumi-PT-4a-LTLFireability-08 FALSE TECHNIQUES KNOWLEDGE HOA DECISION_DIAGRAMS TOPOLOGICAL
Treatment of property DLCshifumi-PT-4a-LTLFireability-08 finished in 101314 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((X(X(X(!p0))) U X(p1)) U (p2 U X(p3))))'
Support contains 7 out of 449 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 449/449 places, 767/767 transitions.
Reduce places removed 30 places and 0 transitions.
Iterating post reduction 0 with 30 rules applied. Total rules applied 30 place count 419 transition count 767
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 38 place count 411 transition count 751
Iterating global reduction 1 with 8 rules applied. Total rules applied 46 place count 411 transition count 751
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 49 place count 411 transition count 748
Applied a total of 49 rules in 25 ms. Remains 411 /449 variables (removed 38) and now considering 748/767 (removed 19) transitions.
[2026-05-24 20:44:47] [INFO ] Flow matrix only has 583 transitions (discarded 165 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3253771660314947461.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5591931304818425094.kers'
[2026-05-24 20:44:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3253771660314947461.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5591931304818425094.kers]
Normalized transition count is 582 out of 583 initially.
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 582 rows 408 cols 1242 entries
Finished phase 1 with 329 SingleSign rule and 0 generalized
[2026-05-24 20:44:47] [INFO ] Computed 82 invariants in 1 ms
Computed 82 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-5591931304818425094.kers
Total runtime 2 ms.
[2026-05-24 20:44:47] [INFO ] Implicit Places using invariants in 78 ms returned []
[2026-05-24 20:44:47] [INFO ] Flow matrix only has 583 transitions (discarded 165 similar events)
[2026-05-24 20:44:47] [INFO ] Invariant cache hit.
[2026-05-24 20:44:47] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:44:47] [INFO ] Implicit Places using invariants and state equation in 168 ms returned []
Implicit Place search using SMT with State Equation took 257 ms to find 0 implicit places.
Running 747 sub problems to find dead transitions.
[2026-05-24 20:44:47] [INFO ] Flow matrix only has 583 transitions (discarded 165 similar events)
[2026-05-24 20:44:47] [INFO ] Invariant cache hit.
[2026-05-24 20:44:47] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/407 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 747 unsolved
At refinement iteration 1 (OVERLAPS) 1/408 variables, 79/79 constraints. Problems are: Problem set: 0 solved, 747 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/408 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 747 unsolved
At refinement iteration 3 (OVERLAPS) 3/411 variables, 3/82 constraints. Problems are: Problem set: 0 solved, 747 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 411/994 variables, and 82 constraints, problems are : Problem set: 0 solved, 747 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 82/82 constraints, State Equation: 0/411 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 747/747 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 747 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/407 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 747 unsolved
At refinement iteration 1 (OVERLAPS) 1/408 variables, 79/79 constraints. Problems are: Problem set: 0 solved, 747 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/408 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 747 unsolved
At refinement iteration 3 (OVERLAPS) 3/411 variables, 3/82 constraints. Problems are: Problem set: 0 solved, 747 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/411 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 747 unsolved
At refinement iteration 5 (OVERLAPS) 582/993 variables, 411/493 constraints. Problems are: Problem set: 0 solved, 747 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/993 variables, 747/1240 constraints. Problems are: Problem set: 0 solved, 747 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 993/994 variables, and 1240 constraints, problems are : Problem set: 0 solved, 747 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 82/82 constraints, State Equation: 411/411 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 747/747 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60104ms problems are : Problem set: 0 solved, 747 unsolved
Search for dead transitions found 0 dead transitions in 60106ms
Starting structural reductions in LTL mode, iteration 1 : 411/449 places, 748/767 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60391 ms. Remains : 411/449 places, 748/767 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((X(X(X(!p0))) U X(p1)) U (p2 U X(p3))))'
Stuttering acceptance computed with spot in 441 ms :[(NOT p3), (AND (NOT p1) (NOT p3)), (NOT p3), (AND p0 (NOT p1) (NOT p3)), (OR (NOT p1) p0), p0, true, (AND p0 (NOT p3)), (AND p0 (NOT p3)), (AND (NOT p3) p0), (AND p0 (NOT p3)), (NOT p3), (NOT p3)]
Running random walk in product with property : DLCshifumi-PT-4a-LTLFireability-09
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 2 ms.
FORMULA DLCshifumi-PT-4a-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCshifumi-PT-4a-LTLFireability-09 finished in 60887 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F((G(p0)||G(p1)))||((!p2||F(!p3)) U (G((!p2||F(!p3)))||(!p4&&(!p2||F(!p3))))))))'
Support contains 6 out of 449 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 449/449 places, 767/767 transitions.
Reduce places removed 30 places and 0 transitions.
Iterating post reduction 0 with 30 rules applied. Total rules applied 30 place count 419 transition count 767
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 38 place count 411 transition count 751
Iterating global reduction 1 with 8 rules applied. Total rules applied 46 place count 411 transition count 751
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 49 place count 411 transition count 748
Applied a total of 49 rules in 25 ms. Remains 411 /449 variables (removed 38) and now considering 748/767 (removed 19) transitions.
[2026-05-24 20:45:48] [INFO ] Flow matrix only has 583 transitions (discarded 165 similar events)
[2026-05-24 20:45:48] [INFO ] Invariant cache hit.
[2026-05-24 20:45:48] [INFO ] Implicit Places using invariants in 61 ms returned []
[2026-05-24 20:45:48] [INFO ] Flow matrix only has 583 transitions (discarded 165 similar events)
[2026-05-24 20:45:48] [INFO ] Invariant cache hit.
[2026-05-24 20:45:48] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:45:48] [INFO ] Implicit Places using invariants and state equation in 168 ms returned []
Implicit Place search using SMT with State Equation took 230 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 411/449 places, 748/767 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 256 ms. Remains : 411/449 places, 748/767 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F((G(p0)||G(p1)))||((!p2||F(!p3)) U (G((!p2||F(!p3)))||(!p4&&(!p2||F(!p3))))))))'
Stuttering acceptance computed with spot in 150 ms :[(AND (NOT p0) (NOT p1) p2 p3), (AND p3 (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) p2 p3)]
Running random walk in product with property : DLCshifumi-PT-4a-LTLFireability-10
Stuttering criterion allowed to conclude after 4391 steps with 87 reset in 49 ms.
FORMULA DLCshifumi-PT-4a-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCshifumi-PT-4a-LTLFireability-10 finished in 499 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((G(p1)||F(p2)||p0))))'
Support contains 6 out of 449 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 449/449 places, 767/767 transitions.
Reduce places removed 30 places and 0 transitions.
Iterating post reduction 0 with 30 rules applied. Total rules applied 30 place count 419 transition count 767
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 38 place count 411 transition count 751
Iterating global reduction 1 with 8 rules applied. Total rules applied 46 place count 411 transition count 751
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 49 place count 411 transition count 748
Applied a total of 49 rules in 13 ms. Remains 411 /449 variables (removed 38) and now considering 748/767 (removed 19) transitions.
[2026-05-24 20:45:48] [INFO ] Flow matrix only has 583 transitions (discarded 165 similar events)
[2026-05-24 20:45:48] [INFO ] Invariant cache hit.
[2026-05-24 20:45:48] [INFO ] Implicit Places using invariants in 56 ms returned []
[2026-05-24 20:45:48] [INFO ] Flow matrix only has 583 transitions (discarded 165 similar events)
[2026-05-24 20:45:48] [INFO ] Invariant cache hit.
[2026-05-24 20:45:48] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:45:48] [INFO ] Implicit Places using invariants and state equation in 165 ms returned []
Implicit Place search using SMT with State Equation took 245 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 411/449 places, 748/767 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 258 ms. Remains : 411/449 places, 748/767 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((G(p1)||F(p2)||p0))))'
Stuttering acceptance computed with spot in 155 ms :[(NOT p2), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p2) (NOT p1) (NOT p0))]
Running random walk in product with property : DLCshifumi-PT-4a-LTLFireability-11
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA DLCshifumi-PT-4a-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCshifumi-PT-4a-LTLFireability-11 finished in 443 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(G(p1))))'
Support contains 4 out of 449 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 449/449 places, 767/767 transitions.
Reduce places removed 31 places and 0 transitions.
Iterating post reduction 0 with 31 rules applied. Total rules applied 31 place count 418 transition count 767
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 39 place count 410 transition count 751
Iterating global reduction 1 with 8 rules applied. Total rules applied 47 place count 410 transition count 751
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 50 place count 410 transition count 748
Applied a total of 50 rules in 16 ms. Remains 410 /449 variables (removed 39) and now considering 748/767 (removed 19) transitions.
[2026-05-24 20:45:49] [INFO ] Flow matrix only has 583 transitions (discarded 165 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9177314672071907614.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-308466322060045891.kers'
[2026-05-24 20:45:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9177314672071907614.kers, --Pflows, --basisKERS=/tmp/petrispot-output-308466322060045891.kers]
Normalized transition count is 582 out of 583 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 1 ms.
// Phase 1: matrix 582 rows 408 cols 1242 entries
Finished phase 1 with 329 SingleSign rule and 0 generalized
[2026-05-24 20:45:49] [INFO ] Computed 81 invariants in 5 ms
Computed 81 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-308466322060045891.kers
Total runtime 7 ms.
[2026-05-24 20:45:49] [INFO ] Implicit Places using invariants in 71 ms returned []
[2026-05-24 20:45:49] [INFO ] Flow matrix only has 583 transitions (discarded 165 similar events)
[2026-05-24 20:45:49] [INFO ] Invariant cache hit.
[2026-05-24 20:45:49] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:45:49] [INFO ] Implicit Places using invariants and state equation in 175 ms returned []
Implicit Place search using SMT with State Equation took 246 ms to find 0 implicit places.
Running 747 sub problems to find dead transitions.
[2026-05-24 20:45:49] [INFO ] Flow matrix only has 583 transitions (discarded 165 similar events)
[2026-05-24 20:45:49] [INFO ] Invariant cache hit.
[2026-05-24 20:45:49] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/407 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 747 unsolved
At refinement iteration 1 (OVERLAPS) 1/408 variables, 79/79 constraints. Problems are: Problem set: 0 solved, 747 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/408 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 747 unsolved
At refinement iteration 3 (OVERLAPS) 2/410 variables, 2/81 constraints. Problems are: Problem set: 0 solved, 747 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 410/993 variables, and 81 constraints, problems are : Problem set: 0 solved, 747 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 0/410 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 747/747 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 747 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/407 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 747 unsolved
At refinement iteration 1 (OVERLAPS) 1/408 variables, 79/79 constraints. Problems are: Problem set: 0 solved, 747 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/408 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 747 unsolved
At refinement iteration 3 (OVERLAPS) 2/410 variables, 2/81 constraints. Problems are: Problem set: 0 solved, 747 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/410 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 747 unsolved
At refinement iteration 5 (OVERLAPS) 582/992 variables, 410/491 constraints. Problems are: Problem set: 0 solved, 747 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/992 variables, 747/1238 constraints. Problems are: Problem set: 0 solved, 747 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 992/993 variables, and 1238 constraints, problems are : Problem set: 0 solved, 747 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 410/410 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 747/747 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60103ms problems are : Problem set: 0 solved, 747 unsolved
Search for dead transitions found 0 dead transitions in 60104ms
Starting structural reductions in LTL mode, iteration 1 : 410/449 places, 748/767 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60367 ms. Remains : 410/449 places, 748/767 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(G(p1))))'
Stuttering acceptance computed with spot in 139 ms :[(NOT p1), true, (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : DLCshifumi-PT-4a-LTLFireability-12
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA DLCshifumi-PT-4a-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCshifumi-PT-4a-LTLFireability-12 finished in 60532 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(p0))&&(G(!p1) U (p2 U p3))))'
Support contains 7 out of 449 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 449/449 places, 767/767 transitions.
Reduce places removed 30 places and 0 transitions.
Iterating post reduction 0 with 30 rules applied. Total rules applied 30 place count 419 transition count 767
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 37 place count 412 transition count 753
Iterating global reduction 1 with 7 rules applied. Total rules applied 44 place count 412 transition count 753
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 46 place count 412 transition count 751
Applied a total of 46 rules in 16 ms. Remains 412 /449 variables (removed 37) and now considering 751/767 (removed 16) transitions.
[2026-05-24 20:46:49] [INFO ] Flow matrix only has 585 transitions (discarded 166 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15154248472866600617.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8381256805185794595.kers'
[2026-05-24 20:46:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15154248472866600617.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8381256805185794595.kers]
Normalized transition count is 584 out of 585 initially.
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 584 rows 409 cols 1246 entries
Finished phase 1 with 330 SingleSign rule and 0 generalized
[2026-05-24 20:46:49] [INFO ] Computed 82 invariants in 2 ms
Computed 82 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-8381256805185794595.kers
Total runtime 2 ms.
[2026-05-24 20:46:49] [INFO ] Implicit Places using invariants in 79 ms returned []
[2026-05-24 20:46:49] [INFO ] Flow matrix only has 585 transitions (discarded 166 similar events)
[2026-05-24 20:46:49] [INFO ] Invariant cache hit.
[2026-05-24 20:46:49] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:46:49] [INFO ] Implicit Places using invariants and state equation in 172 ms returned []
Implicit Place search using SMT with State Equation took 252 ms to find 0 implicit places.
Running 750 sub problems to find dead transitions.
[2026-05-24 20:46:49] [INFO ] Flow matrix only has 585 transitions (discarded 166 similar events)
[2026-05-24 20:46:49] [INFO ] Invariant cache hit.
[2026-05-24 20:46:49] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/408 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 750 unsolved
At refinement iteration 1 (OVERLAPS) 1/409 variables, 79/79 constraints. Problems are: Problem set: 0 solved, 750 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/409 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 750 unsolved
At refinement iteration 3 (OVERLAPS) 3/412 variables, 3/82 constraints. Problems are: Problem set: 0 solved, 750 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 412/997 variables, and 82 constraints, problems are : Problem set: 0 solved, 750 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 82/82 constraints, State Equation: 0/412 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 750/750 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 750 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/408 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 750 unsolved
At refinement iteration 1 (OVERLAPS) 1/409 variables, 79/79 constraints. Problems are: Problem set: 0 solved, 750 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/409 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 750 unsolved
At refinement iteration 3 (OVERLAPS) 3/412 variables, 3/82 constraints. Problems are: Problem set: 0 solved, 750 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/412 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 750 unsolved
At refinement iteration 5 (OVERLAPS) 584/996 variables, 412/494 constraints. Problems are: Problem set: 0 solved, 750 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/996 variables, 750/1244 constraints. Problems are: Problem set: 0 solved, 750 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 996/997 variables, and 1244 constraints, problems are : Problem set: 0 solved, 750 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 82/82 constraints, State Equation: 412/412 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 750/750 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60106ms problems are : Problem set: 0 solved, 750 unsolved
Search for dead transitions found 0 dead transitions in 60107ms
Starting structural reductions in LTL mode, iteration 1 : 412/449 places, 751/767 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60377 ms. Remains : 412/449 places, 751/767 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(p0))&&(G(!p1) U (p2 U p3))))'
Stuttering acceptance computed with spot in 206 ms :[(OR (NOT p3) (NOT p0)), true, (NOT p0), p1, (NOT p3), (NOT p3), (NOT p0)]
Running random walk in product with property : DLCshifumi-PT-4a-LTLFireability-13
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA DLCshifumi-PT-4a-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCshifumi-PT-4a-LTLFireability-13 finished in 60619 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 3 out of 449 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 449/449 places, 767/767 transitions.
Graph (trivial) has 761 edges and 449 vertex of which 411 / 449 are part of one of the 79 SCC in 1 ms
Free SCC test removed 332 places
Ensure Unique test removed 680 transitions
Reduce isomorphic transitions removed 680 transitions.
Graph (complete) has 198 edges and 117 vertex of which 85 are kept as prefixes of interest. Removing 32 places using SCC suffix rule.1 ms
Discarding 32 places :
Also discarding 0 output transitions
Discarding 76 places :
Symmetric choice reduction at 0 with 76 rule applications. Total rules 78 place count 9 transition count 11
Iterating global reduction 0 with 76 rules applied. Total rules applied 154 place count 9 transition count 11
Applied a total of 154 rules in 7 ms. Remains 9 /449 variables (removed 440) and now considering 11/767 (removed 756) transitions.
[2026-05-24 20:47:50] [INFO ] Flow matrix only has 8 transitions (discarded 3 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10154277088359535117.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15911041317562777673.kers'
[2026-05-24 20:47:50] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10154277088359535117.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15911041317562777673.kers]
Normalized transition count is 7 out of 8 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 7 rows 7 cols 15 entries
Finished phase 1 with 5 SingleSign rule and 0 generalized
[2026-05-24 20:47:50] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15911041317562777673.kers
Total runtime 0 ms.
[2026-05-24 20:47:50] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-24 20:47:50] [INFO ] Flow matrix only has 8 transitions (discarded 3 similar events)
[2026-05-24 20:47:50] [INFO ] Invariant cache hit.
[2026-05-24 20:47:50] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:47:50] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
[2026-05-24 20:47:50] [INFO ] Redundant transitions in 0 ms returned []
Running 10 sub problems to find dead transitions.
[2026-05-24 20:47:50] [INFO ] Flow matrix only has 8 transitions (discarded 3 similar events)
[2026-05-24 20:47:50] [INFO ] Invariant cache hit.
[2026-05-24 20:47:50] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 1/8 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 1/9 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 7/16 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/16 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 1/17 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/17 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (OVERLAPS) 0/17 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 17/17 variables, and 14 constraints, problems are : Problem set: 0 solved, 10 unsolved in 118 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 9/9 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 1/8 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 1/9 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 7/16 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/16 variables, 10/23 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/16 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (OVERLAPS) 1/17 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/17 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (OVERLAPS) 0/17 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 17/17 variables, and 24 constraints, problems are : Problem set: 0 solved, 10 unsolved in 96 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 9/9 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 217ms problems are : Problem set: 0 solved, 10 unsolved
Search for dead transitions found 0 dead transitions in 217ms
Starting structural reductions in SI_LTL mode, iteration 1 : 9/449 places, 11/767 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 274 ms. Remains : 9/449 places, 11/767 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 27 ms :[(NOT p0)]
Running random walk in product with property : DLCshifumi-PT-4a-LTLFireability-14
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA DLCshifumi-PT-4a-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCshifumi-PT-4a-LTLFireability-14 finished in 323 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)||(X(!p1) U ((p2&&X(!p1))||X(G(!p1))))))'
Support contains 5 out of 449 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 449/449 places, 767/767 transitions.
Reduce places removed 31 places and 0 transitions.
Iterating post reduction 0 with 31 rules applied. Total rules applied 31 place count 418 transition count 767
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 38 place count 411 transition count 753
Iterating global reduction 1 with 7 rules applied. Total rules applied 45 place count 411 transition count 753
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 47 place count 411 transition count 751
Applied a total of 47 rules in 19 ms. Remains 411 /449 variables (removed 38) and now considering 751/767 (removed 16) transitions.
[2026-05-24 20:47:50] [INFO ] Flow matrix only has 585 transitions (discarded 166 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16796145851130582560.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10429400597941122038.kers'
[2026-05-24 20:47:50] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16796145851130582560.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10429400597941122038.kers]
Normalized transition count is 584 out of 585 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 584 rows 409 cols 1246 entries
Finished phase 1 with 330 SingleSign rule and 0 generalized
[2026-05-24 20:47:50] [INFO ] Computed 81 invariants in 2 ms
Computed 81 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-10429400597941122038.kers
Total runtime 4 ms.
[2026-05-24 20:47:50] [INFO ] Implicit Places using invariants in 85 ms returned []
[2026-05-24 20:47:50] [INFO ] Flow matrix only has 585 transitions (discarded 166 similar events)
[2026-05-24 20:47:50] [INFO ] Invariant cache hit.
[2026-05-24 20:47:50] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 20:47:50] [INFO ] Implicit Places using invariants and state equation in 175 ms returned []
Implicit Place search using SMT with State Equation took 275 ms to find 0 implicit places.
Running 750 sub problems to find dead transitions.
[2026-05-24 20:47:50] [INFO ] Flow matrix only has 585 transitions (discarded 166 similar events)
[2026-05-24 20:47:50] [INFO ] Invariant cache hit.
[2026-05-24 20:47:50] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/408 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 750 unsolved
At refinement iteration 1 (OVERLAPS) 1/409 variables, 79/79 constraints. Problems are: Problem set: 0 solved, 750 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/409 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 750 unsolved
At refinement iteration 3 (OVERLAPS) 2/411 variables, 2/81 constraints. Problems are: Problem set: 0 solved, 750 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 411/996 variables, and 81 constraints, problems are : Problem set: 0 solved, 750 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 0/411 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 750/750 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 750 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/408 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 750 unsolved
At refinement iteration 1 (OVERLAPS) 1/409 variables, 79/79 constraints. Problems are: Problem set: 0 solved, 750 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/409 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 750 unsolved
At refinement iteration 3 (OVERLAPS) 2/411 variables, 2/81 constraints. Problems are: Problem set: 0 solved, 750 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/411 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 750 unsolved
At refinement iteration 5 (OVERLAPS) 584/995 variables, 411/492 constraints. Problems are: Problem set: 0 solved, 750 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/995 variables, 750/1242 constraints. Problems are: Problem set: 0 solved, 750 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 995/996 variables, and 1242 constraints, problems are : Problem set: 0 solved, 750 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 81/81 constraints, State Equation: 411/411 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 750/750 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60107ms problems are : Problem set: 0 solved, 750 unsolved
Search for dead transitions found 0 dead transitions in 60109ms
Starting structural reductions in LTL mode, iteration 1 : 411/449 places, 751/767 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60405 ms. Remains : 411/449 places, 751/767 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)||(X(!p1) U ((p2&&X(!p1))||X(G(!p1))))))'
Stuttering acceptance computed with spot in 136 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), (NOT p0)]
Running random walk in product with property : DLCshifumi-PT-4a-LTLFireability-15
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 3 ms.
FORMULA DLCshifumi-PT-4a-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCshifumi-PT-4a-LTLFireability-15 finished in 60583 ms.
All properties solved by simple procedures.
Total runtime 597142 ms.

BK_STOP 1779655731264

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="DLCshifumi-PT-4a"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool itstools"
echo " Input is DLCshifumi-PT-4a, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r098-tall-177955695700716"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCshifumi-PT-4a.tgz
mv DLCshifumi-PT-4a execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;