Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r484-smll-171624275800323.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is DLCshifumi-PT-4a, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r484-smll-171624275800323
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.4M
-rw-r--r-- 1 mcc users 7.7K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 86K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.9K Apr 22 14:38 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Apr 22 14:38 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Apr 22 14:38 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 22 14:38 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.9K Apr 13 09:21 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 91K Apr 13 09:21 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.9K Apr 13 08:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K Apr 13 08:38 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 22 14:38 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Apr 22 14:38 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 3 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 1.9M May 18 16:42 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

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

=== Now, execution of the tool begins

BK_START 1717243017832

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DLCshifumi-PT-4a
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 11:57:00] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2024-06-01 11:57:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 11:57:01] [INFO ] Load time of PNML (sax parser for PT used): 778 ms
[2024-06-01 11:57:01] [INFO ] Transformed 1178 places.
[2024-06-01 11:57:01] [INFO ] Transformed 7504 transitions.
[2024-06-01 11:57:01] [INFO ] Found NUPN structural information;
[2024-06-01 11:57:01] [INFO ] Parsed PT model containing 1178 places and 7504 transitions and 28610 arcs in 1135 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 19 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Ensure Unique test removed 924 transitions
Reduce redundant transitions removed 924 transitions.
FORMULA DLCshifumi-PT-4a-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCshifumi-PT-4a-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCshifumi-PT-4a-LTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCshifumi-PT-4a-LTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCshifumi-PT-4a-LTLCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCshifumi-PT-4a-LTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCshifumi-PT-4a-LTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCshifumi-PT-4a-LTLCardinality-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCshifumi-PT-4a-LTLCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 24 out of 1178 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1178/1178 places, 6580/6580 transitions.
Discarding 151 places :
Symmetric choice reduction at 0 with 151 rule applications. Total rules 151 place count 1027 transition count 5300
Iterating global reduction 0 with 151 rules applied. Total rules applied 302 place count 1027 transition count 5300
Ensure Unique test removed 73 transitions
Reduce isomorphic transitions removed 73 transitions.
Iterating post reduction 0 with 73 rules applied. Total rules applied 375 place count 1027 transition count 5227
Drop transitions (Redundant composition of simpler transitions.) removed 1614 transitions
Redundant transition composition rules discarded 1614 transitions
Iterating global reduction 1 with 1614 rules applied. Total rules applied 1989 place count 1027 transition count 3613
Applied a total of 1989 rules in 756 ms. Remains 1027 /1178 variables (removed 151) and now considering 3613/6580 (removed 2967) transitions.
[2024-06-01 11:57:02] [INFO ] Flow matrix only has 592 transitions (discarded 3021 similar events)
// Phase 1: matrix 592 rows 1027 cols
[2024-06-01 11:57:02] [INFO ] Computed 691 invariants in 37 ms
[2024-06-01 11:57:11] [INFO ] Implicit Places using invariants in 9119 ms returned [415, 416, 417, 418, 419, 420, 421, 422, 423, 424, 425, 426, 427, 428, 429, 430, 431, 432, 433, 434, 435, 436, 437, 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, 471, 472, 474, 475, 476, 477, 478, 479, 480, 481, 482, 483, 484, 485, 486, 487, 488, 489, 490, 491, 492, 493, 494, 495, 496, 497, 498, 499, 500, 502, 503, 504, 505, 506, 507, 508, 509, 510, 511, 512, 513, 514, 515, 516, 517, 518, 519, 520, 521, 522, 523, 524, 526, 527, 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, 563, 565, 566, 567, 568, 569, 570, 571, 572, 573, 574, 575, 576, 577, 578, 579, 580, 581, 582, 583, 584, 585, 586, 587, 588, 589, 590, 591, 592, 593, 594, 595, 596, 597, 598, 599, 600, 601, 602, 603, 604, 605, 606, 607, 608, 609, 610, 611, 613, 614, 615, 616, 617, 618, 619, 620, 621, 622, 623, 624, 625, 626, 627, 628, 629, 630, 631, 632, 633, 634, 635, 636, 637, 638, 639, 640, 641, 642, 643, 644, 645, 646, 647, 648, 649, 650, 651, 652, 653, 654, 655, 656, 657, 658, 659, 660, 661, 662, 663, 664, 665, 667, 668, 669, 670, 671, 672, 674, 675, 676, 677, 678, 679, 680, 681, 682, 683, 684, 685, 686, 687, 688, 689, 690, 691, 692, 693, 694, 695, 696, 698, 699, 700, 701, 702, 703, 704, 705, 706, 707, 708, 709, 710, 711, 712, 713, 714, 715, 716, 717, 718, 719, 720, 721, 722, 723, 724, 725, 726, 727, 728, 729, 730, 731, 732, 733, 734, 735, 736, 737, 738, 739, 740, 741, 742, 743, 744, 745, 746, 747, 748, 749, 750, 751, 752, 753, 754, 755, 756, 757, 758, 759, 760, 761, 762, 763, 764, 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, 810, 811, 812, 813, 814, 815, 816, 817, 818, 819, 820, 821, 822, 823, 824, 825, 826, 827, 828, 829, 830, 831, 832, 833, 834, 835, 836, 837, 838, 839, 840, 841, 842, 843, 844, 845, 846, 847, 848, 849, 850, 851, 852, 853, 854, 855, 856, 857, 858, 859, 860, 861, 862, 863, 864, 865, 866, 867, 868, 869, 870, 871, 872, 873, 874, 875, 876, 877, 878, 879, 880, 881, 882, 883, 884, 885, 886, 887, 888, 889, 890, 891, 892, 893, 894, 895, 896, 898, 900, 901, 902, 903, 904, 905, 906, 907, 908, 909, 910, 911, 912, 913, 914, 915, 916, 917, 918, 919, 920, 921, 922, 923, 924, 925, 926, 927, 928, 929, 930, 931, 932, 933, 934, 935, 936, 937, 938, 939, 940, 941, 942, 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, 980, 981, 982, 983, 984, 985, 986, 987, 988, 989, 990, 991, 992, 993, 994, 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]
Discarding 600 places :
Ensure Unique test removed 2800 transitions
Reduce isomorphic transitions removed 2800 transitions.
Implicit Place search using SMT only with invariants took 9226 ms to find 600 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 427/1178 places, 813/6580 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 49 transitions
Redundant transition composition rules discarded 49 transitions
Iterating global reduction 0 with 49 rules applied. Total rules applied 49 place count 427 transition count 764
Applied a total of 49 rules in 28 ms. Remains 427 /427 variables (removed 0) and now considering 764/813 (removed 49) transitions.
[2024-06-01 11:57:11] [INFO ] Flow matrix only has 592 transitions (discarded 172 similar events)
// Phase 1: matrix 592 rows 427 cols
[2024-06-01 11:57:11] [INFO ] Computed 91 invariants in 3 ms
[2024-06-01 11:57:12] [INFO ] Implicit Places using invariants in 138 ms returned []
[2024-06-01 11:57:12] [INFO ] Flow matrix only has 592 transitions (discarded 172 similar events)
[2024-06-01 11:57:12] [INFO ] Invariant cache hit.
[2024-06-01 11:57:12] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 11:57:12] [INFO ] Implicit Places using invariants and state equation in 468 ms returned []
Implicit Place search using SMT with State Equation took 608 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 427/1178 places, 764/6580 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 10649 ms. Remains : 427/1178 places, 764/6580 transitions.
Support contains 24 out of 427 places after structural reductions.
[2024-06-01 11:57:13] [INFO ] Flatten gal took : 160 ms
[2024-06-01 11:57:13] [INFO ] Flatten gal took : 83 ms
[2024-06-01 11:57:13] [INFO ] Input system was already deterministic with 764 transitions.
Support contains 22 out of 427 places (down from 24) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 13 to 12
RANDOM walk for 40000 steps (8 resets) in 5049 ms. (7 steps per ms) remains 6/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 365 ms. (109 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 149 ms. (266 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 306 ms. (130 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 204 ms. (195 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 174 ms. (228 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 178 ms. (223 steps per ms) remains 6/6 properties
[2024-06-01 11:57:15] [INFO ] Flow matrix only has 592 transitions (discarded 172 similar events)
[2024-06-01 11:57:15] [INFO ] Invariant cache hit.
[2024-06-01 11:57:15] [INFO ] State equation strengthened by 1 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 25/37 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 390/427 variables, 79/91 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/427 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 591/1018 variables, 427/518 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1018 variables, 0/518 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 1/1019 variables, 1/519 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1019 variables, 0/519 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 0/1019 variables, 0/519 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1019/1019 variables, and 519 constraints, problems are : Problem set: 0 solved, 6 unsolved in 1520 ms.
Refiners :[Positive P Invariants (semi-flows): 91/91 constraints, State Equation: 427/427 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Problem AtomicPropp1 is UNSAT
Problem AtomicPropp2 is UNSAT
Problem AtomicPropp3 is UNSAT
Problem AtomicPropp7 is UNSAT
Problem AtomicPropp8 is UNSAT
Problem AtomicPropp9 is UNSAT
After SMT solving in domain Int declared 37/1019 variables, and 12 constraints, problems are : Problem set: 6 solved, 0 unsolved in 88 ms.
Refiners :[Positive P Invariants (semi-flows): 12/91 constraints, State Equation: 0/427 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 1658ms problems are : Problem set: 6 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA DLCshifumi-PT-4a-LTLCardinality-02 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 6 atomic propositions for a total of 6 simplifications.
Initial state reduction rules removed 1 formulas.
FORMULA DLCshifumi-PT-4a-LTLCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCshifumi-PT-4a-LTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 13 stabilizing places and 1 stable transitions
Graph (complete) has 854 edges and 427 vertex of which 415 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.12 ms
FORMULA DLCshifumi-PT-4a-LTLCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((X(p1)&&p0))))'
Support contains 2 out of 427 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 427/427 places, 764/764 transitions.
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 0 with 11 rules applied. Total rules applied 11 place count 416 transition count 764
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 17 place count 410 transition count 752
Iterating global reduction 1 with 6 rules applied. Total rules applied 23 place count 410 transition count 752
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 25 place count 410 transition count 750
Applied a total of 25 rules in 34 ms. Remains 410 /427 variables (removed 17) and now considering 750/764 (removed 14) transitions.
[2024-06-01 11:57:17] [INFO ] Flow matrix only has 584 transitions (discarded 166 similar events)
// Phase 1: matrix 584 rows 410 cols
[2024-06-01 11:57:17] [INFO ] Computed 80 invariants in 6 ms
[2024-06-01 11:57:17] [INFO ] Implicit Places using invariants in 170 ms returned []
[2024-06-01 11:57:17] [INFO ] Flow matrix only has 584 transitions (discarded 166 similar events)
[2024-06-01 11:57:17] [INFO ] Invariant cache hit.
[2024-06-01 11:57:17] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 11:57:17] [INFO ] Implicit Places using invariants and state equation in 501 ms returned []
Implicit Place search using SMT with State Equation took 691 ms to find 0 implicit places.
Running 749 sub problems to find dead transitions.
[2024-06-01 11:57:17] [INFO ] Flow matrix only has 584 transitions (discarded 166 similar events)
[2024-06-01 11:57:17] [INFO ] Invariant cache hit.
[2024-06-01 11:57:17] [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
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
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 30075 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]
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
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 30062 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]
After SMT, in 60425ms problems are : Problem set: 0 solved, 749 unsolved
Search for dead transitions found 0 dead transitions in 60450ms
Starting structural reductions in LTL mode, iteration 1 : 410/427 places, 750/764 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61185 ms. Remains : 410/427 places, 750/764 transitions.
Stuttering acceptance computed with spot in 761 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : DLCshifumi-PT-4a-LTLCardinality-04
Stuttering criterion allowed to conclude after 193 steps with 53 reset in 32 ms.
FORMULA DLCshifumi-PT-4a-LTLCardinality-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCshifumi-PT-4a-LTLCardinality-04 finished in 62096 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G((F(G(p0)) U p1)))))'
Support contains 2 out of 427 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 427/427 places, 764/764 transitions.
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 417 transition count 764
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 17 place count 410 transition count 750
Iterating global reduction 1 with 7 rules applied. Total rules applied 24 place count 410 transition count 750
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 26 place count 410 transition count 748
Applied a total of 26 rules in 40 ms. Remains 410 /427 variables (removed 17) and now considering 748/764 (removed 16) transitions.
[2024-06-01 11:58:19] [INFO ] Flow matrix only has 583 transitions (discarded 165 similar events)
// Phase 1: matrix 583 rows 410 cols
[2024-06-01 11:58:19] [INFO ] Computed 81 invariants in 5 ms
[2024-06-01 11:58:19] [INFO ] Implicit Places using invariants in 183 ms returned []
[2024-06-01 11:58:19] [INFO ] Flow matrix only has 583 transitions (discarded 165 similar events)
[2024-06-01 11:58:19] [INFO ] Invariant cache hit.
[2024-06-01 11:58:19] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 11:58:19] [INFO ] Implicit Places using invariants and state equation in 469 ms returned []
Implicit Place search using SMT with State Equation took 660 ms to find 0 implicit places.
Running 747 sub problems to find dead transitions.
[2024-06-01 11:58:19] [INFO ] Flow matrix only has 583 transitions (discarded 165 similar events)
[2024-06-01 11:58:19] [INFO ] Invariant cache hit.
[2024-06-01 11:58:19] [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 30032 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]
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
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 30037 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]
After SMT, in 60327ms problems are : Problem set: 0 solved, 747 unsolved
Search for dead transitions found 0 dead transitions in 60351ms
Starting structural reductions in LTL mode, iteration 1 : 410/427 places, 748/764 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61063 ms. Remains : 410/427 places, 748/764 transitions.
Stuttering acceptance computed with spot in 279 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p0), (NOT p1)]
Running random walk in product with property : DLCshifumi-PT-4a-LTLCardinality-12
Product exploration explored 100000 steps with 0 reset in 1930 ms.
Product exploration explored 100000 steps with 0 reset in 2062 ms.
Computed a total of 3 stabilizing places and 1 stable transitions
Graph (complete) has 828 edges and 410 vertex of which 408 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.5 ms
Computed a total of 3 stabilizing places and 1 stable transitions
Detected a total of 3/410 stabilizing places and 1/748 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/2 atomic propositions.
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (X p1)), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 164 ms. Reduced automaton from 5 states, 9 edges and 2 AP (stutter sensitive) to 5 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 280 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p0), (NOT p1)]
RANDOM walk for 4 steps (0 resets) in 6 ms. (0 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (X p1)), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p1), (F p0)]
Knowledge based reduction with 4 factoid took 312 ms. Reduced automaton from 5 states, 9 edges and 2 AP (stutter sensitive) to 5 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 262 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 288 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p0), (NOT p1)]
[2024-06-01 11:59:25] [INFO ] Flow matrix only has 583 transitions (discarded 165 similar events)
[2024-06-01 11:59:25] [INFO ] Invariant cache hit.
[2024-06-01 11:59:26] [INFO ] [Real]Absence check using 81 positive place invariants in 35 ms returned sat
[2024-06-01 11:59:26] [INFO ] [Real]Absence check using state equation in 310 ms returned sat
[2024-06-01 11:59:26] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 11:59:26] [INFO ] [Real]Added 1 Read/Feed constraints in 9 ms returned sat
[2024-06-01 11:59:26] [INFO ] Computed and/alt/rep : 581/1178/581 causal constraints (skipped 1 transitions) in 77 ms.
[2024-06-01 11:59:27] [INFO ] Added : 0 causal constraints over 0 iterations in 178 ms. Result :sat
Could not prove EG (NOT p1)
Support contains 2 out of 410 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 410/410 places, 748/748 transitions.
Applied a total of 0 rules in 9 ms. Remains 410 /410 variables (removed 0) and now considering 748/748 (removed 0) transitions.
[2024-06-01 11:59:27] [INFO ] Flow matrix only has 583 transitions (discarded 165 similar events)
[2024-06-01 11:59:27] [INFO ] Invariant cache hit.
[2024-06-01 11:59:27] [INFO ] Implicit Places using invariants in 157 ms returned []
[2024-06-01 11:59:27] [INFO ] Flow matrix only has 583 transitions (discarded 165 similar events)
[2024-06-01 11:59:27] [INFO ] Invariant cache hit.
[2024-06-01 11:59:27] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 11:59:27] [INFO ] Implicit Places using invariants and state equation in 505 ms returned []
Implicit Place search using SMT with State Equation took 665 ms to find 0 implicit places.
Running 747 sub problems to find dead transitions.
[2024-06-01 11:59:27] [INFO ] Flow matrix only has 583 transitions (discarded 165 similar events)
[2024-06-01 11:59:27] [INFO ] Invariant cache hit.
[2024-06-01 11:59:27] [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 30039 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]
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
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
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 30026 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]
After SMT, in 60275ms problems are : Problem set: 0 solved, 747 unsolved
Search for dead transitions found 0 dead transitions in 60291ms
Finished structural reductions in LTL mode , in 1 iterations and 60973 ms. Remains : 410/410 places, 748/748 transitions.
Computed a total of 3 stabilizing places and 1 stable transitions
Graph (complete) has 828 edges and 410 vertex of which 408 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.6 ms
Computed a total of 3 stabilizing places and 1 stable transitions
Detected a total of 3/410 stabilizing places and 1/748 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/2 atomic propositions.
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (X p1)), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 219 ms. Reduced automaton from 5 states, 9 edges and 2 AP (stutter sensitive) to 5 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 217 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p0), (NOT p1)]
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (X p1)), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p1), (F p0)]
Knowledge based reduction with 4 factoid took 355 ms. Reduced automaton from 5 states, 9 edges and 2 AP (stutter sensitive) to 5 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 242 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 243 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p0), (NOT p1)]
[2024-06-01 12:00:29] [INFO ] Flow matrix only has 583 transitions (discarded 165 similar events)
[2024-06-01 12:00:29] [INFO ] Invariant cache hit.
[2024-06-01 12:00:29] [INFO ] [Real]Absence check using 81 positive place invariants in 32 ms returned sat
[2024-06-01 12:00:30] [INFO ] [Real]Absence check using state equation in 276 ms returned sat
[2024-06-01 12:00:30] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 12:00:30] [INFO ] [Real]Added 1 Read/Feed constraints in 6 ms returned sat
[2024-06-01 12:00:30] [INFO ] Computed and/alt/rep : 581/1178/581 causal constraints (skipped 1 transitions) in 48 ms.
[2024-06-01 12:00:30] [INFO ] Added : 0 causal constraints over 0 iterations in 107 ms. Result :sat
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 193 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p0), (NOT p1)]
Product exploration explored 100000 steps with 0 reset in 1278 ms.
Product exploration explored 100000 steps with 0 reset in 1181 ms.
Applying partial POR strategy [false, false, true, true, true]
Stuttering acceptance computed with spot in 223 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p0), (NOT p1)]
Support contains 2 out of 410 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 410/410 places, 748/748 transitions.
Graph (trivial) has 747 edges and 410 vertex of which 407 / 410 are part of one of the 79 SCC in 6 ms
Free SCC test removed 328 places
Ensure Unique test removed 668 transitions
Reduce isomorphic transitions removed 668 transitions.
Discarding 78 places :
Symmetric choice reduction at 0 with 78 rule applications. Total rules 79 place count 4 transition count 2
Iterating global reduction 0 with 78 rules applied. Total rules applied 157 place count 4 transition count 2
Applied a total of 157 rules in 23 ms. Remains 4 /410 variables (removed 406) and now considering 2/748 (removed 746) transitions.
[2024-06-01 12:00:33] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
// Phase 1: matrix 2 rows 4 cols
[2024-06-01 12:00:33] [INFO ] Computed 3 invariants in 0 ms
[2024-06-01 12:00:33] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/5 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/6 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/6 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/6 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 6/6 variables, and 8 constraints, problems are : Problem set: 0 solved, 1 unsolved in 31 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 4/4 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/5 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/6 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/6 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/6 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 6/6 variables, and 9 constraints, problems are : Problem set: 0 solved, 1 unsolved in 37 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 4/4 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 73ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 73ms
Starting structural reductions in SI_LTL mode, iteration 1 : 4/410 places, 2/748 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 102 ms. Remains : 4/410 places, 2/748 transitions.
Support contains 2 out of 410 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 410/410 places, 748/748 transitions.
Applied a total of 0 rules in 9 ms. Remains 410 /410 variables (removed 0) and now considering 748/748 (removed 0) transitions.
[2024-06-01 12:00:33] [INFO ] Flow matrix only has 583 transitions (discarded 165 similar events)
// Phase 1: matrix 583 rows 410 cols
[2024-06-01 12:00:33] [INFO ] Computed 81 invariants in 2 ms
[2024-06-01 12:00:33] [INFO ] Implicit Places using invariants in 104 ms returned []
[2024-06-01 12:00:33] [INFO ] Flow matrix only has 583 transitions (discarded 165 similar events)
[2024-06-01 12:00:33] [INFO ] Invariant cache hit.
[2024-06-01 12:00:34] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 12:00:34] [INFO ] Implicit Places using invariants and state equation in 320 ms returned []
Implicit Place search using SMT with State Equation took 430 ms to find 0 implicit places.
Running 747 sub problems to find dead transitions.
[2024-06-01 12:00:34] [INFO ] Flow matrix only has 583 transitions (discarded 165 similar events)
[2024-06-01 12:00:34] [INFO ] Invariant cache hit.
[2024-06-01 12:00:34] [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 30030 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]
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
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 30054 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]
After SMT, in 60217ms problems are : Problem set: 0 solved, 747 unsolved
Search for dead transitions found 0 dead transitions in 60225ms
Finished structural reductions in LTL mode , in 1 iterations and 60667 ms. Remains : 410/410 places, 748/748 transitions.
Treatment of property DLCshifumi-PT-4a-LTLCardinality-12 finished in 195444 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 2 out of 427 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 427/427 places, 764/764 transitions.
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 415 transition count 764
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 19 place count 408 transition count 750
Iterating global reduction 1 with 7 rules applied. Total rules applied 26 place count 408 transition count 750
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 28 place count 408 transition count 748
Applied a total of 28 rules in 48 ms. Remains 408 /427 variables (removed 19) and now considering 748/764 (removed 16) transitions.
[2024-06-01 12:01:34] [INFO ] Flow matrix only has 583 transitions (discarded 165 similar events)
// Phase 1: matrix 583 rows 408 cols
[2024-06-01 12:01:34] [INFO ] Computed 79 invariants in 3 ms
[2024-06-01 12:01:34] [INFO ] Implicit Places using invariants in 167 ms returned []
[2024-06-01 12:01:34] [INFO ] Flow matrix only has 583 transitions (discarded 165 similar events)
[2024-06-01 12:01:34] [INFO ] Invariant cache hit.
[2024-06-01 12:01:35] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 12:01:35] [INFO ] Implicit Places using invariants and state equation in 446 ms returned []
Implicit Place search using SMT with State Equation took 621 ms to find 0 implicit places.
Running 747 sub problems to find dead transitions.
[2024-06-01 12:01:35] [INFO ] Flow matrix only has 583 transitions (discarded 165 similar events)
[2024-06-01 12:01:35] [INFO ] Invariant cache hit.
[2024-06-01 12:01:35] [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
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 582/990 variables, 408/487 constraints. Problems are: Problem set: 0 solved, 747 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 990/991 variables, and 487 constraints, problems are : Problem set: 0 solved, 747 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 79/79 constraints, State Equation: 408/408 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 747/747 constraints, Known Traps: 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) 582/990 variables, 408/487 constraints. Problems are: Problem set: 0 solved, 747 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/990 variables, 747/1234 constraints. Problems are: Problem set: 0 solved, 747 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 990/991 variables, and 1234 constraints, problems are : Problem set: 0 solved, 747 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 79/79 constraints, State Equation: 408/408 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 747/747 constraints, Known Traps: 0/0 constraints]
After SMT, in 60154ms problems are : Problem set: 0 solved, 747 unsolved
Search for dead transitions found 0 dead transitions in 60163ms
Starting structural reductions in LTL mode, iteration 1 : 408/427 places, 748/764 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60835 ms. Remains : 408/427 places, 748/764 transitions.
Stuttering acceptance computed with spot in 114 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : DLCshifumi-PT-4a-LTLCardinality-13
Product exploration explored 100000 steps with 50000 reset in 1602 ms.
Product exploration explored 100000 steps with 50000 reset in 1347 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(NOT p0), (X p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 2 factoid took 25 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA DLCshifumi-PT-4a-LTLCardinality-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DLCshifumi-PT-4a-LTLCardinality-13 finished in 63983 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G((F(G(p0)) U p1)))))'
Found a Lengthening insensitive property : DLCshifumi-PT-4a-LTLCardinality-12
Stuttering acceptance computed with spot in 194 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p0), (NOT p1)]
Support contains 2 out of 427 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 427/427 places, 764/764 transitions.
Graph (trivial) has 763 edges and 427 vertex of which 414 / 427 are part of one of the 79 SCC in 1 ms
Free SCC test removed 335 places
Ensure Unique test removed 684 transitions
Reduce isomorphic transitions removed 684 transitions.
Graph (complete) has 170 edges and 92 vertex of which 82 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.1 ms
Discarding 10 places :
Also discarding 0 output transitions
Discarding 78 places :
Symmetric choice reduction at 0 with 78 rule applications. Total rules 80 place count 4 transition count 2
Iterating global reduction 0 with 78 rules applied. Total rules applied 158 place count 4 transition count 2
Applied a total of 158 rules in 8 ms. Remains 4 /427 variables (removed 423) and now considering 2/764 (removed 762) transitions.
// Phase 1: matrix 2 rows 4 cols
[2024-06-01 12:02:38] [INFO ] Computed 3 invariants in 0 ms
[2024-06-01 12:02:39] [INFO ] Implicit Places using invariants in 21 ms returned []
[2024-06-01 12:02:39] [INFO ] Invariant cache hit.
[2024-06-01 12:02:39] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 12:02:39] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
Running 1 sub problems to find dead transitions.
[2024-06-01 12:02:39] [INFO ] Invariant cache hit.
[2024-06-01 12:02:39] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/5 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/6 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/6 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/6 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 6/6 variables, and 8 constraints, problems are : Problem set: 0 solved, 1 unsolved in 32 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 4/4 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/5 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/6 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/6 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/6 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 6/6 variables, and 9 constraints, problems are : Problem set: 0 solved, 1 unsolved in 28 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 4/4 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 64ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 64ms
Starting structural reductions in LI_LTL mode, iteration 1 : 4/427 places, 2/764 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 116 ms. Remains : 4/427 places, 2/764 transitions.
Running random walk in product with property : DLCshifumi-PT-4a-LTLCardinality-12
Product exploration explored 100000 steps with 0 reset in 48 ms.
Product exploration explored 100000 steps with 0 reset in 50 ms.
Computed a total of 4 stabilizing places and 1 stable transitions
Graph (complete) has 4 edges and 4 vertex of which 2 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Computed a total of 4 stabilizing places and 1 stable transitions
Detected a total of 4/4 stabilizing places and 1/2 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/2 atomic propositions.
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (X p1)), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 144 ms. Reduced automaton from 5 states, 9 edges and 2 AP (stutter sensitive) to 5 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 203 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p0), (NOT p1)]
RANDOM walk for 4 steps (0 resets) in 5 ms. (0 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (X p1)), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p1), (F p0)]
Knowledge based reduction with 4 factoid took 230 ms. Reduced automaton from 5 states, 9 edges and 2 AP (stutter sensitive) to 5 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 227 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 219 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p0), (NOT p1)]
[2024-06-01 12:02:40] [INFO ] Invariant cache hit.
[2024-06-01 12:02:40] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-06-01 12:02:40] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-06-01 12:02:40] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 12:02:40] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2024-06-01 12:02:40] [INFO ] Computed and/alt/rep : 1/1/1 causal constraints (skipped 0 transitions) in 0 ms.
[2024-06-01 12:02:40] [INFO ] Added : 0 causal constraints over 0 iterations in 3 ms. Result :sat
Could not prove EG (NOT p1)
Support contains 2 out of 4 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 4/4 places, 2/2 transitions.
Applied a total of 0 rules in 1 ms. Remains 4 /4 variables (removed 0) and now considering 2/2 (removed 0) transitions.
[2024-06-01 12:02:40] [INFO ] Invariant cache hit.
[2024-06-01 12:02:40] [INFO ] Implicit Places using invariants in 24 ms returned []
[2024-06-01 12:02:40] [INFO ] Invariant cache hit.
[2024-06-01 12:02:40] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 12:02:40] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
Running 1 sub problems to find dead transitions.
[2024-06-01 12:02:40] [INFO ] Invariant cache hit.
[2024-06-01 12:02:40] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/5 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/6 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/6 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/6 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 6/6 variables, and 8 constraints, problems are : Problem set: 0 solved, 1 unsolved in 43 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 4/4 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/5 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/6 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/6 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/6 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 6/6 variables, and 9 constraints, problems are : Problem set: 0 solved, 1 unsolved in 43 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 4/4 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 90ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 90ms
Finished structural reductions in LTL mode , in 1 iterations and 145 ms. Remains : 4/4 places, 2/2 transitions.
Computed a total of 4 stabilizing places and 1 stable transitions
Graph (complete) has 4 edges and 4 vertex of which 2 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.0 ms
Computed a total of 4 stabilizing places and 1 stable transitions
Detected a total of 4/4 stabilizing places and 1/2 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/2 atomic propositions.
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (X p1)), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 203 ms. Reduced automaton from 5 states, 9 edges and 2 AP (stutter sensitive) to 5 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 239 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p0), (NOT p1)]
RANDOM walk for 4 steps (0 resets) in 5 ms. (0 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (X p1)), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p1), (F p0)]
Knowledge based reduction with 4 factoid took 296 ms. Reduced automaton from 5 states, 9 edges and 2 AP (stutter sensitive) to 5 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 228 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 249 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p0), (NOT p1)]
[2024-06-01 12:02:41] [INFO ] Invariant cache hit.
[2024-06-01 12:02:41] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-06-01 12:02:41] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2024-06-01 12:02:41] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 12:02:41] [INFO ] [Real]Added 1 Read/Feed constraints in 0 ms returned sat
[2024-06-01 12:02:41] [INFO ] Computed and/alt/rep : 1/1/1 causal constraints (skipped 0 transitions) in 6 ms.
[2024-06-01 12:02:41] [INFO ] Added : 0 causal constraints over 0 iterations in 9 ms. Result :sat
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 314 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p0), (NOT p1)]
Product exploration explored 100000 steps with 0 reset in 74 ms.
Product exploration explored 100000 steps with 0 reset in 121 ms.
Applying partial POR strategy [false, false, true, true, true]
Stuttering acceptance computed with spot in 225 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p0), (NOT p1)]
Support contains 2 out of 4 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 4/4 places, 2/2 transitions.
Applied a total of 0 rules in 1 ms. Remains 4 /4 variables (removed 0) and now considering 2/2 (removed 0) transitions.
[2024-06-01 12:02:42] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2024-06-01 12:02:42] [INFO ] Invariant cache hit.
[2024-06-01 12:02:42] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/5 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/6 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/6 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/6 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 6/6 variables, and 8 constraints, problems are : Problem set: 0 solved, 1 unsolved in 43 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 4/4 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/5 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/6 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/6 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/6 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 6/6 variables, and 9 constraints, problems are : Problem set: 0 solved, 1 unsolved in 39 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 4/4 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 85ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 85ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 92 ms. Remains : 4/4 places, 2/2 transitions.
Support contains 2 out of 4 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 4/4 places, 2/2 transitions.
Applied a total of 0 rules in 0 ms. Remains 4 /4 variables (removed 0) and now considering 2/2 (removed 0) transitions.
[2024-06-01 12:02:42] [INFO ] Invariant cache hit.
[2024-06-01 12:02:42] [INFO ] Implicit Places using invariants in 23 ms returned []
[2024-06-01 12:02:42] [INFO ] Invariant cache hit.
[2024-06-01 12:02:42] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 12:02:42] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
Running 1 sub problems to find dead transitions.
[2024-06-01 12:02:42] [INFO ] Invariant cache hit.
[2024-06-01 12:02:42] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/5 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/6 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/6 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/6 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 6/6 variables, and 8 constraints, problems are : Problem set: 0 solved, 1 unsolved in 44 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 4/4 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/5 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/6 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/6 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/6 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 6/6 variables, and 9 constraints, problems are : Problem set: 0 solved, 1 unsolved in 47 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 4/4 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 97ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 97ms
Finished structural reductions in LTL mode , in 1 iterations and 149 ms. Remains : 4/4 places, 2/2 transitions.
Treatment of property DLCshifumi-PT-4a-LTLCardinality-12 finished in 4324 ms.
[2024-06-01 12:02:42] [INFO ] Flatten gal took : 54 ms
[2024-06-01 12:02:42] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLCardinality.sr.xml took 3 ms.
[2024-06-01 12:02:43] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 427 places, 764 transitions and 1618 arcs took 11 ms.
Total runtime 342646 ms.
There are residual formulas that ITS could not solve within timeout
FORMULA DLCshifumi-PT-4a-LTLCardinality-12 TRUE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN

BK_STOP 1717243401075

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -timeout 360 -rebuildPNML
mcc2024
ltl formula name DLCshifumi-PT-4a-LTLCardinality-12
ltl formula formula --ltl=/tmp/1170/ltl_0_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 427 places, 764 transitions and 1618 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.130 real 0.030 user 0.050 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1170/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1170/ltl_0_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1170/ltl_0_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1170/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 6 states
pnml2lts-mc( 0/ 4): There are 416 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 428, there are 781 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 2/ 4): ~2500 levels ~10000 states ~1960456 transitions
pnml2lts-mc( 2/ 4): ~5000 levels ~20000 states ~3850096 transitions
pnml2lts-mc( 2/ 4): ~10000 levels ~40000 states ~7634240 transitions
pnml2lts-mc( 1/ 4): ~20000 levels ~80000 states ~13303500 transitions
pnml2lts-mc( 1/ 4): ~40000 levels ~160000 states ~25898012 transitions
pnml2lts-mc( 1/ 4): Error: tree roots table full! Change -s/--ratio.
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 0
pnml2lts-mc( 0/ 4): unique states count: 283574
pnml2lts-mc( 0/ 4): unique transitions count: 49215872
pnml2lts-mc( 0/ 4): - self-loop count: 12646966
pnml2lts-mc( 0/ 4): - claim dead count: 0
pnml2lts-mc( 0/ 4): - claim found count: 1417114
pnml2lts-mc( 0/ 4): - claim success count: 283581
pnml2lts-mc( 0/ 4): - cum. max stack depth: 283581
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 283581 states 49217055 transitions, fanout: 173.556
pnml2lts-mc( 0/ 4): Total exploration time 37.040 sec (34.670 sec minimum, 35.670 sec on average)
pnml2lts-mc( 0/ 4): States per second: 7656, Transitions per second: 1328754
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 268.7MB, 8.4 B/state, compr.: 0.5%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 99.0%/19.0%
pnml2lts-mc( 0/ 4): Stored 776 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 268.7MB (~256.0MB paged-in)

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="LTLCardinality"
export BK_TOOL="ltsminxred"
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 2-5568"
echo " Executing tool ltsminxred"
echo " Input is DLCshifumi-PT-4a, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r484-smll-171624275800323"
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 [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLCardinality.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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;