About the Execution of ITS-Tools for ServersAndClients-PT-400080
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 991265.00 | 0.00 | 0.00 | FTFFFFFFFFFTTFFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r198-tall-174894532000076.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool itstools
Input is ServersAndClients-PT-400080, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r198-tall-174894532000076
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 21M
-rw-r--r-- 1 mcc users 6.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 61K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 103K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 82K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 7 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 20M May 29 14:32 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 ServersAndClients-PT-400080-LTLFireability-00
FORMULA_NAME ServersAndClients-PT-400080-LTLFireability-01
FORMULA_NAME ServersAndClients-PT-400080-LTLFireability-02
FORMULA_NAME ServersAndClients-PT-400080-LTLFireability-03
FORMULA_NAME ServersAndClients-PT-400080-LTLFireability-04
FORMULA_NAME ServersAndClients-PT-400080-LTLFireability-05
FORMULA_NAME ServersAndClients-PT-400080-LTLFireability-06
FORMULA_NAME ServersAndClients-PT-400080-LTLFireability-07
FORMULA_NAME ServersAndClients-PT-400080-LTLFireability-08
FORMULA_NAME ServersAndClients-PT-400080-LTLFireability-09
FORMULA_NAME ServersAndClients-PT-400080-LTLFireability-10
FORMULA_NAME ServersAndClients-PT-400080-LTLFireability-11
FORMULA_NAME ServersAndClients-PT-400080-LTLFireability-12
FORMULA_NAME ServersAndClients-PT-400080-LTLFireability-13
FORMULA_NAME ServersAndClients-PT-400080-LTLFireability-14
FORMULA_NAME ServersAndClients-PT-400080-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1748969188239
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ServersAndClients-PT-400080
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-03 16:46:29] [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]
[2025-06-03 16:46:29] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 16:46:30] [INFO ] Load time of PNML (sax parser for PT used): 1016 ms
[2025-06-03 16:46:30] [INFO ] Transformed 33681 places.
[2025-06-03 16:46:30] [INFO ] Transformed 64800 transitions.
[2025-06-03 16:46:30] [INFO ] Found NUPN structural information;
[2025-06-03 16:46:30] [INFO ] Parsed PT model containing 33681 places and 64800 transitions and 195200 arcs in 1304 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 24 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA ServersAndClients-PT-400080-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ServersAndClients-PT-400080-LTLFireability-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ServersAndClients-PT-400080-LTLFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 41 out of 33681 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 33681/33681 places, 64800/64800 transitions.
Applied a total of 0 rules in 656 ms. Remains 33681 /33681 variables (removed 0) and now considering 64800/64800 (removed 0) transitions.
// Phase 1: matrix 64800 rows 33681 cols
[2025-06-03 16:46:33] [INFO ] Computed 881 invariants in 1205 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 16:47:20] [INFO ] Performed 841/33681 implicitness test of which 800 returned IMPLICIT in 30 seconds.
[2025-06-03 16:47:51] [INFO ] Performed 2804/33681 implicitness test of which 804 returned IMPLICIT in 61 seconds.
[2025-06-03 16:48:21] [INFO ] Performed 6413/33681 implicitness test of which 813 returned IMPLICIT in 91 seconds.
[2025-06-03 16:48:53] [INFO ] Performed 10824/33681 implicitness test of which 824 returned IMPLICIT in 123 seconds.
[2025-06-03 16:49:13] [INFO ] Implicit Places using invariants in 161345 ms returned [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299, 300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, 315, 316, 317, 318, 319, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 342, 343, 344, 345, 346, 347, 348, 349, 350, 351, 352, 353, 354, 355, 356, 357, 358, 359, 360, 361, 362, 363, 364, 365, 366, 367, 368, 369, 370, 371, 372, 373, 374, 375, 376, 377, 378, 379, 380, 381, 382, 383, 384, 385, 386, 387, 388, 389, 390, 391, 392, 393, 394, 395, 396, 397, 398, 399, 400, 401, 402, 403, 404, 405, 406, 407, 408, 409, 410, 411, 412, 413, 414, 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, 473, 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, 501, 502, 503, 504, 505, 506, 507, 508, 509, 510, 511, 512, 513, 514, 515, 516, 517, 518, 519, 520, 521, 522, 523, 524, 525, 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, 564, 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, 612, 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, 666, 667, 668, 669, 670, 671, 672, 673, 674, 675, 676, 677, 678, 679, 680, 681, 682, 683, 684, 685, 686, 687, 688, 689, 690, 691, 692, 693, 694, 695, 696, 697, 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, 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, 1601, 2002, 2403, 2804, 3205, 3606, 4007, 4408, 4809, 5210, 5611, 6012, 6413, 6814, 7215, 7616, 8017, 8418, 8819, 9220, 9621, 10022, 10423, 10824, 11626, 12027, 12829, 13230, 13631, 14433, 14834]
Discarding 831 places :
Implicit Place search using SMT only with invariants took 161466 ms to find 831 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 32850/33681 places, 64800/64800 transitions.
Applied a total of 0 rules in 516 ms. Remains 32850 /32850 variables (removed 0) and now considering 64800/64800 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 162661 ms. Remains : 32850/33681 places, 64800/64800 transitions.
Support contains 41 out of 32850 places after structural reductions.
[2025-06-03 16:49:16] [INFO ] Flatten gal took : 1760 ms
[2025-06-03 16:49:17] [INFO ] Flatten gal took : 1309 ms
[2025-06-03 16:49:20] [INFO ] Input system was already deterministic with 64800 transitions.
Support contains 40 out of 32850 places (down from 41) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 28 to 27
RANDOM walk for 40000 steps (8 resets) in 5597 ms. (7 steps per ms) remains 13/27 properties
BEST_FIRST walk for 40004 steps (8 resets) in 135 ms. (294 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 112 ms. (354 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 134 ms. (296 steps per ms) remains 12/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 113 ms. (350 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 123 ms. (322 steps per ms) remains 11/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 106 ms. (373 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 120 ms. (330 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 126 ms. (314 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 105 ms. (377 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 124 ms. (320 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 115 ms. (344 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 119 ms. (333 steps per ms) remains 11/11 properties
// Phase 1: matrix 64800 rows 32850 cols
[2025-06-03 16:49:40] [INFO ] Computed 50 invariants in 17286 ms
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 32808/97650 variables, and 21 constraints, problems are : Problem set: 0 solved, 11 unsolved in 5024 ms.
Refiners :[Domain max(s): 13/32850 constraints, Positive P Invariants (semi-flows): 8/50 constraints, State Equation: 0/32850 constraints, PredecessorRefiner: 11/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 11 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Problem AtomicPropp20 is UNSAT
At refinement iteration 2 (OVERLAPS) 32795/32808 variables, 8/21 constraints. Problems are: Problem set: 1 solved, 10 unsolved
SMT process timed out in 27801ms, After SMT, problems are : Problem set: 1 solved, 10 unsolved
Fused 10 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 10 out of 32850 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32850/32850 places, 64800/64800 transitions.
Graph (trivial) has 25594 edges and 32850 vertex of which 13198 / 32850 are part of one of the 1 SCC in 66 ms
Free SCC test removed 13197 places
Drop transitions (Empty/Sink Transition effects.) removed 25594 transitions
Reduce isomorphic transitions removed 25594 transitions.
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Remove reverse transitions (loop back) rule discarded transition t20001 and 1 places that fell out of Prefix Of Interest.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 19592 transitions
Trivial Post-agglo rules discarded 19592 transitions
Performed 19592 trivial Post agglomeration. Transition count delta: 19592
Iterating post reduction 0 with 19594 rules applied. Total rules applied 19595 place count 19652 transition count 19612
Reduce places removed 19635 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 19592 transitions
Reduce isomorphic transitions removed 19592 transitions.
Iterating post reduction 1 with 39227 rules applied. Total rules applied 58822 place count 17 transition count 20
Applied a total of 58822 rules in 1625 ms. Remains 17 /32850 variables (removed 32833) and now considering 20/64800 (removed 64780) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1625 ms. Remains : 17/32850 places, 20/64800 transitions.
RANDOM walk for 204 steps (0 resets) in 9 ms. (20 steps per ms) remains 0/10 properties
FORMULA ServersAndClients-PT-400080-LTLFireability-15 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 12 simplifications.
FORMULA ServersAndClients-PT-400080-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(p1))))'
Support contains 4 out of 32850 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 32850/32850 places, 64800/64800 transitions.
Graph (trivial) has 25536 edges and 32850 vertex of which 13135 / 32850 are part of one of the 1 SCC in 19 ms
Free SCC test removed 13134 places
Ensure Unique test removed 25471 transitions
Reduce isomorphic transitions removed 25471 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 18706 transitions
Trivial Post-agglo rules discarded 18706 transitions
Performed 18706 trivial Post agglomeration. Transition count delta: 18706
Iterating post reduction 0 with 18706 rules applied. Total rules applied 18707 place count 19716 transition count 20623
Reduce places removed 18706 places and 0 transitions.
Ensure Unique test removed 18659 transitions
Reduce isomorphic transitions removed 18659 transitions.
Performed 156 Post agglomeration using F-continuation condition.Transition count delta: 156
Iterating post reduction 1 with 37521 rules applied. Total rules applied 56228 place count 1010 transition count 1808
Reduce places removed 203 places and 0 transitions.
Ensure Unique test removed 201 transitions
Reduce isomorphic transitions removed 201 transitions.
Iterating post reduction 2 with 404 rules applied. Total rules applied 56632 place count 807 transition count 1607
Discarding 795 places :
Symmetric choice reduction at 3 with 795 rule applications. Total rules 57427 place count 12 transition count 812
Iterating global reduction 3 with 795 rules applied. Total rules applied 58222 place count 12 transition count 812
Ensure Unique test removed 794 transitions
Reduce isomorphic transitions removed 794 transitions.
Iterating post reduction 3 with 794 rules applied. Total rules applied 59016 place count 12 transition count 18
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 59018 place count 10 transition count 16
Iterating global reduction 4 with 2 rules applied. Total rules applied 59020 place count 10 transition count 16
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 59022 place count 9 transition count 15
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 59024 place count 7 transition count 13
Iterating global reduction 4 with 2 rules applied. Total rules applied 59026 place count 7 transition count 13
Applied a total of 59026 rules in 1519 ms. Remains 7 /32850 variables (removed 32843) and now considering 13/64800 (removed 64787) transitions.
// Phase 1: matrix 13 rows 7 cols
[2025-06-03 16:49:54] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 16:49:54] [INFO ] Implicit Places using invariants in 16 ms returned []
[2025-06-03 16:49:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 16:49:54] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 38 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 16:49:54] [INFO ] Redundant transitions in 0 ms returned []
Running 8 sub problems to find dead transitions.
[2025-06-03 16:49:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 1/7 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 12/19 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/19 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 0/19 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 19/20 variables, and 10 constraints, problems are : Problem set: 0 solved, 8 unsolved in 87 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 1/7 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 12/19 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/19 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/19 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 0/19 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 19/20 variables, and 18 constraints, problems are : Problem set: 0 solved, 8 unsolved in 103 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 196ms problems are : Problem set: 0 solved, 8 unsolved
Search for dead transitions found 0 dead transitions in 197ms
Starting structural reductions in SI_LTL mode, iteration 1 : 7/32850 places, 13/64800 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1760 ms. Remains : 7/32850 places, 13/64800 transitions.
Stuttering acceptance computed with spot in 215 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : ServersAndClients-PT-400080-LTLFireability-00
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 2 ms.
FORMULA ServersAndClients-PT-400080-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-400080-LTLFireability-00 finished in 2065 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0) U (G(p1)||(p1&&F(p0))))))'
Support contains 2 out of 32850 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 32850/32850 places, 64800/64800 transitions.
Applied a total of 0 rules in 205 ms. Remains 32850 /32850 variables (removed 0) and now considering 64800/64800 (removed 0) transitions.
// Phase 1: matrix 64800 rows 32850 cols
[2025-06-03 16:50:12] [INFO ] Computed 50 invariants in 17461 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 16:50:57] [INFO ] Performed 17211/32850 implicitness test of which 11 returned IMPLICIT in 32 seconds.
[2025-06-03 16:51:28] [INFO ] Performed 21221/32850 implicitness test of which 21 returned IMPLICIT in 62 seconds.
[2025-06-03 16:52:00] [INFO ] Performed 25632/32850 implicitness test of which 32 returned IMPLICIT in 94 seconds.
[2025-06-03 16:52:32] [INFO ] Performed 30444/32850 implicitness test of which 44 returned IMPLICIT in 127 seconds.
[2025-06-03 16:52:45] [INFO ] Implicit Places using invariants in 170343 ms returned [10401, 11602, 13203, 14404, 14805, 15206, 15607, 16008, 16409, 16810, 17211, 17612, 18013, 18414, 18815, 19216, 19617, 20018, 20419, 20820, 21221, 21622, 22023, 22424, 22825, 23226, 23627, 24028, 24429, 24830, 25231, 25632, 26033, 26434, 26835, 27236, 27637, 28038, 28439, 28840, 29241, 29642, 30043, 30444, 30845, 31246, 31647, 32048, 32449]
Discarding 49 places :
Implicit Place search using SMT only with invariants took 170387 ms to find 49 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 32801/32850 places, 64800/64800 transitions.
Applied a total of 0 rules in 844 ms. Remains 32801 /32801 variables (removed 0) and now considering 64800/64800 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 171439 ms. Remains : 32801/32850 places, 64800/64800 transitions.
Stuttering acceptance computed with spot in 183 ms :[(NOT p1), (NOT p1), (NOT p0), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : ServersAndClients-PT-400080-LTLFireability-01
Product exploration timeout after 74610 steps with 37305 reset in 10001 ms.
Product exploration timeout after 76840 steps with 38420 reset in 10001 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 p0), (X (NOT (AND p1 (NOT p0)))), (X (NOT (AND (NOT p1) (NOT p0)))), (X p0), (X p1), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
False Knowledge obtained : [(X (X (AND p1 (NOT p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0)), (X (X (NOT p0))), (X (X (NOT p1))), (X (X p1))]
Property proved to be true thanks to conjunction of knowledge (Minato strategy)
Knowledge based reduction with 6 factoid took 95 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ServersAndClients-PT-400080-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ServersAndClients-PT-400080-LTLFireability-01 finished in 192028 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(((p0 U p1) U (G((p0 U p1))||((p0 U p1)&&X(X(X(X(!p2))))))))))'
Support contains 5 out of 32850 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 32850/32850 places, 64800/64800 transitions.
Applied a total of 0 rules in 447 ms. Remains 32850 /32850 variables (removed 0) and now considering 64800/64800 (removed 0) transitions.
[2025-06-03 16:53:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 16:53:52] [INFO ] Performed 17211/32850 implicitness test of which 11 returned IMPLICIT in 32 seconds.
[2025-06-03 16:54:23] [INFO ] Performed 22825/32850 implicitness test of which 25 returned IMPLICIT in 63 seconds.
[2025-06-03 16:54:53] [INFO ] Performed 27637/32850 implicitness test of which 37 returned IMPLICIT in 93 seconds.
[2025-06-03 16:55:16] [INFO ] Implicit Places using invariants in 129770 ms returned [10401, 11602, 13203, 14404, 14805, 15206, 15607, 16008, 16409, 16810, 17211, 17612, 18013, 18414, 18815, 19216, 19617, 20018, 20419, 20820, 21221, 21622, 22023, 22424, 22825, 23226, 23627, 24028, 24429, 24830, 25231, 25632, 26033, 26434, 26835, 27236, 27637, 28038, 28439, 28840, 29241, 29642, 30043, 30444, 30845, 31246, 31647, 32048]
Discarding 48 places :
Implicit Place search using SMT only with invariants took 129809 ms to find 48 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 32802/32850 places, 64800/64800 transitions.
Applied a total of 0 rules in 893 ms. Remains 32802 /32802 variables (removed 0) and now considering 64800/64800 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 131151 ms. Remains : 32802/32850 places, 64800/64800 transitions.
Stuttering acceptance computed with spot in 1204 ms :[(NOT p1), (NOT p1), (AND (NOT p1) p2), (NOT p1), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2), (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 : ServersAndClients-PT-400080-LTLFireability-02
Product exploration explored 100000 steps with 4 reset in 4620 ms.
Stack based approach found an accepted trace after 7 steps with 0 reset with depth 8 and stack size 8 in 3 ms.
FORMULA ServersAndClients-PT-400080-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property ServersAndClients-PT-400080-LTLFireability-02 finished in 137105 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U ((G(p1)||F(p2)) U p3)) U p4))'
Support contains 6 out of 32850 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 32850/32850 places, 64800/64800 transitions.
Graph (trivial) has 25566 edges and 32850 vertex of which 13167 / 32850 are part of one of the 1 SCC in 13 ms
Free SCC test removed 13166 places
Ensure Unique test removed 25533 transitions
Reduce isomorphic transitions removed 25533 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 19149 transitions
Trivial Post-agglo rules discarded 19149 transitions
Performed 19149 trivial Post agglomeration. Transition count delta: 19149
Iterating post reduction 0 with 19149 rules applied. Total rules applied 19150 place count 19684 transition count 20118
Reduce places removed 19149 places and 0 transitions.
Ensure Unique test removed 19101 transitions
Reduce isomorphic transitions removed 19101 transitions.
Performed 79 Post agglomeration using F-continuation condition.Transition count delta: 79
Iterating post reduction 1 with 38329 rules applied. Total rules applied 57479 place count 535 transition count 938
Reduce places removed 124 places and 0 transitions.
Ensure Unique test removed 120 transitions
Reduce isomorphic transitions removed 120 transitions.
Iterating post reduction 2 with 244 rules applied. Total rules applied 57723 place count 411 transition count 818
Discarding 398 places :
Symmetric choice reduction at 3 with 398 rule applications. Total rules 58121 place count 13 transition count 420
Iterating global reduction 3 with 398 rules applied. Total rules applied 58519 place count 13 transition count 420
Ensure Unique test removed 398 transitions
Reduce isomorphic transitions removed 398 transitions.
Iterating post reduction 3 with 398 rules applied. Total rules applied 58917 place count 13 transition count 22
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 58919 place count 12 transition count 21
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 58920 place count 11 transition count 20
Iterating global reduction 4 with 1 rules applied. Total rules applied 58921 place count 11 transition count 20
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 4 with 6 rules applied. Total rules applied 58927 place count 11 transition count 14
Applied a total of 58927 rules in 1397 ms. Remains 11 /32850 variables (removed 32839) and now considering 14/64800 (removed 64786) transitions.
// Phase 1: matrix 14 rows 11 cols
[2025-06-03 16:55:25] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 16:55:25] [INFO ] Implicit Places using invariants in 26 ms returned [3, 5, 9]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 28 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 8/32850 places, 14/64800 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 14/14 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1426 ms. Remains : 8/32850 places, 14/64800 transitions.
Stuttering acceptance computed with spot in 236 ms :[(NOT p4), (NOT p2), (AND (NOT p2) (NOT p1)), (NOT p3), (NOT p3)]
Running random walk in product with property : ServersAndClients-PT-400080-LTLFireability-03
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA ServersAndClients-PT-400080-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-400080-LTLFireability-03 finished in 1716 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Support contains 2 out of 32850 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 32850/32850 places, 64800/64800 transitions.
Applied a total of 0 rules in 757 ms. Remains 32850 /32850 variables (removed 0) and now considering 64800/64800 (removed 0) transitions.
// Phase 1: matrix 64800 rows 32850 cols
[2025-06-03 16:55:41] [INFO ] Computed 50 invariants in 15055 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 16:56:25] [INFO ] Performed 17211/32850 implicitness test of which 11 returned IMPLICIT in 31 seconds.
[2025-06-03 16:56:55] [INFO ] Performed 22825/32850 implicitness test of which 24 returned IMPLICIT in 61 seconds.
[2025-06-03 16:57:27] [INFO ] Performed 29241/32850 implicitness test of which 40 returned IMPLICIT in 93 seconds.
[2025-06-03 16:57:41] [INFO ] Implicit Places using invariants in 135251 ms returned [10401, 11602, 13203, 14404, 14805, 15206, 15607, 16008, 16409, 16810, 17211, 17612, 18013, 18414, 19216, 19617, 20018, 20419, 20820, 21221, 21622, 22023, 22424, 22825, 23226, 23627, 24028, 24429, 24830, 25231, 25632, 26033, 26434, 26835, 27236, 27637, 28038, 28439, 28840, 29241, 29642, 30043, 30444, 30845, 31246, 31647, 32048, 32449]
Discarding 48 places :
Implicit Place search using SMT only with invariants took 135288 ms to find 48 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 32802/32850 places, 64800/64800 transitions.
Applied a total of 0 rules in 641 ms. Remains 32802 /32802 variables (removed 0) and now considering 64800/64800 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 136688 ms. Remains : 32802/32850 places, 64800/64800 transitions.
Stuttering acceptance computed with spot in 127 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : ServersAndClients-PT-400080-LTLFireability-05
Entered a terminal (fully accepting) state of product in 369 steps with 0 reset in 28 ms.
FORMULA ServersAndClients-PT-400080-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-400080-LTLFireability-05 finished in 136952 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(((p2||F(p0))&&p1))))))'
Support contains 3 out of 32850 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 32850/32850 places, 64800/64800 transitions.
Graph (trivial) has 25568 edges and 32850 vertex of which 13168 / 32850 are part of one of the 1 SCC in 17 ms
Free SCC test removed 13167 places
Ensure Unique test removed 25535 transitions
Reduce isomorphic transitions removed 25535 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 19151 transitions
Trivial Post-agglo rules discarded 19151 transitions
Performed 19151 trivial Post agglomeration. Transition count delta: 19151
Iterating post reduction 0 with 19151 rules applied. Total rules applied 19152 place count 19683 transition count 20114
Reduce places removed 19151 places and 0 transitions.
Ensure Unique test removed 19103 transitions
Reduce isomorphic transitions removed 19103 transitions.
Performed 79 Post agglomeration using F-continuation condition.Transition count delta: 79
Iterating post reduction 1 with 38333 rules applied. Total rules applied 57485 place count 532 transition count 932
Reduce places removed 126 places and 0 transitions.
Ensure Unique test removed 124 transitions
Reduce isomorphic transitions removed 124 transitions.
Iterating post reduction 2 with 250 rules applied. Total rules applied 57735 place count 406 transition count 808
Discarding 398 places :
Symmetric choice reduction at 3 with 398 rule applications. Total rules 58133 place count 8 transition count 410
Iterating global reduction 3 with 398 rules applied. Total rules applied 58531 place count 8 transition count 410
Ensure Unique test removed 398 transitions
Reduce isomorphic transitions removed 398 transitions.
Iterating post reduction 3 with 398 rules applied. Total rules applied 58929 place count 8 transition count 12
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 58931 place count 7 transition count 11
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 58932 place count 6 transition count 10
Iterating global reduction 4 with 1 rules applied. Total rules applied 58933 place count 6 transition count 10
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 4 with 2 rules applied. Total rules applied 58935 place count 6 transition count 8
Applied a total of 58935 rules in 1388 ms. Remains 6 /32850 variables (removed 32844) and now considering 8/64800 (removed 64792) transitions.
// Phase 1: matrix 8 rows 6 cols
[2025-06-03 16:57:43] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 16:57:43] [INFO ] Implicit Places using invariants in 26 ms returned [4]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 27 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 5/32850 places, 8/64800 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1416 ms. Remains : 5/32850 places, 8/64800 transitions.
Stuttering acceptance computed with spot in 160 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (OR (NOT p1) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Running random walk in product with property : ServersAndClients-PT-400080-LTLFireability-06
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA ServersAndClients-PT-400080-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-400080-LTLFireability-06 finished in 1626 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 32850 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 32850/32850 places, 64800/64800 transitions.
Graph (trivial) has 25568 edges and 32850 vertex of which 13168 / 32850 are part of one of the 1 SCC in 16 ms
Free SCC test removed 13167 places
Ensure Unique test removed 25535 transitions
Reduce isomorphic transitions removed 25535 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 19152 transitions
Trivial Post-agglo rules discarded 19152 transitions
Performed 19152 trivial Post agglomeration. Transition count delta: 19152
Iterating post reduction 0 with 19152 rules applied. Total rules applied 19153 place count 19683 transition count 20113
Reduce places removed 19152 places and 0 transitions.
Ensure Unique test removed 19104 transitions
Reduce isomorphic transitions removed 19104 transitions.
Performed 79 Post agglomeration using F-continuation condition.Transition count delta: 79
Iterating post reduction 1 with 38335 rules applied. Total rules applied 57488 place count 531 transition count 930
Reduce places removed 127 places and 0 transitions.
Ensure Unique test removed 126 transitions
Reduce isomorphic transitions removed 126 transitions.
Iterating post reduction 2 with 253 rules applied. Total rules applied 57741 place count 404 transition count 804
Discarding 398 places :
Symmetric choice reduction at 3 with 398 rule applications. Total rules 58139 place count 6 transition count 406
Iterating global reduction 3 with 398 rules applied. Total rules applied 58537 place count 6 transition count 406
Ensure Unique test removed 398 transitions
Reduce isomorphic transitions removed 398 transitions.
Iterating post reduction 3 with 398 rules applied. Total rules applied 58935 place count 6 transition count 8
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 58937 place count 5 transition count 7
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 58938 place count 4 transition count 6
Iterating global reduction 4 with 1 rules applied. Total rules applied 58939 place count 4 transition count 6
Applied a total of 58939 rules in 1372 ms. Remains 4 /32850 variables (removed 32846) and now considering 6/64800 (removed 64794) transitions.
// Phase 1: matrix 6 rows 4 cols
[2025-06-03 16:57:45] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 16:57:45] [INFO ] Implicit Places using invariants in 23 ms returned []
[2025-06-03 16:57:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 16:57:45] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 16:57:45] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2025-06-03 16:57:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 1/4 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 5/9 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/9 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/9 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 9/10 variables, and 6 constraints, problems are : Problem set: 0 solved, 3 unsolved in 40 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 1/4 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 5/9 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/9 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/9 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/9 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 9/10 variables, and 9 constraints, problems are : Problem set: 0 solved, 3 unsolved in 37 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 85ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 85ms
Starting structural reductions in SI_LTL mode, iteration 1 : 4/32850 places, 6/64800 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1504 ms. Remains : 4/32850 places, 6/64800 transitions.
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Running random walk in product with property : ServersAndClients-PT-400080-LTLFireability-07
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA ServersAndClients-PT-400080-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-400080-LTLFireability-07 finished in 1580 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U G(p1)) U X(X(X(X(p2))))))'
Support contains 4 out of 32850 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 32850/32850 places, 64800/64800 transitions.
Applied a total of 0 rules in 641 ms. Remains 32850 /32850 variables (removed 0) and now considering 64800/64800 (removed 0) transitions.
// Phase 1: matrix 64800 rows 32850 cols
[2025-06-03 16:58:02] [INFO ] Computed 50 invariants in 16586 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 16:58:46] [INFO ] Performed 17612/32850 implicitness test of which 12 returned IMPLICIT in 30 seconds.
[2025-06-03 16:59:17] [INFO ] Performed 23226/32850 implicitness test of which 25 returned IMPLICIT in 61 seconds.
[2025-06-03 16:59:48] [INFO ] Performed 29642/32850 implicitness test of which 41 returned IMPLICIT in 92 seconds.
[2025-06-03 17:00:00] [INFO ] Implicit Places using invariants in 134032 ms returned [10401, 11602, 13203, 14404, 14805, 15206, 15607, 16008, 16409, 16810, 17211, 17612, 18013, 18414, 19216, 19617, 20018, 20419, 20820, 21221, 21622, 22023, 22424, 22825, 23226, 23627, 24028, 24429, 24830, 25231, 25632, 26033, 26434, 26835, 27236, 27637, 28038, 28439, 28840, 29241, 29642, 30043, 30444, 30845, 31246, 31647, 32048, 32449]
Discarding 48 places :
Implicit Place search using SMT only with invariants took 134088 ms to find 48 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 32802/32850 places, 64800/64800 transitions.
Applied a total of 0 rules in 1152 ms. Remains 32802 /32802 variables (removed 0) and now considering 64800/64800 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 135883 ms. Remains : 32802/32850 places, 64800/64800 transitions.
Stuttering acceptance computed with spot in 1701 ms :[(NOT p2), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p1)), (NOT p2), (NOT p2), (NOT p2), true, (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p1)), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p1)), (NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p1)), (NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p1), (NOT p1)]
Running random walk in product with property : ServersAndClients-PT-400080-LTLFireability-08
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 3 ms.
FORMULA ServersAndClients-PT-400080-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-400080-LTLFireability-08 finished in 137699 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0)||F((G(p1)||(p1&&F(G(!p0)))))))'
Support contains 2 out of 32850 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 32850/32850 places, 64800/64800 transitions.
Applied a total of 0 rules in 516 ms. Remains 32850 /32850 variables (removed 0) and now considering 64800/64800 (removed 0) transitions.
[2025-06-03 17:00:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:00:49] [INFO ] Performed 17612/32850 implicitness test of which 12 returned IMPLICIT in 32 seconds.
[2025-06-03 17:01:21] [INFO ] Performed 22825/32850 implicitness test of which 25 returned IMPLICIT in 63 seconds.
[2025-06-03 17:01:51] [INFO ] Performed 28840/32850 implicitness test of which 40 returned IMPLICIT in 93 seconds.
[2025-06-03 17:02:05] [INFO ] Implicit Places using invariants in 122008 ms returned [10401, 11602, 13203, 14404, 14805, 15206, 15607, 16008, 16409, 16810, 17211, 17612, 18013, 18414, 18815, 19216, 19617, 20018, 20419, 20820, 21221, 21622, 22023, 22424, 22825, 23226, 23627, 24028, 24429, 24830, 25231, 25632, 26033, 26434, 26835, 27236, 27637, 28038, 28439, 28840, 29241, 29642, 30043, 30444, 30845, 31246, 31647, 32048, 32449]
Discarding 49 places :
Implicit Place search using SMT only with invariants took 122076 ms to find 49 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 32801/32850 places, 64800/64800 transitions.
Applied a total of 0 rules in 491 ms. Remains 32801 /32801 variables (removed 0) and now considering 64800/64800 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 123084 ms. Remains : 32801/32850 places, 64800/64800 transitions.
Stuttering acceptance computed with spot in 200 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), false, (NOT p1), (AND (NOT p1) p0)]
Running random walk in product with property : ServersAndClients-PT-400080-LTLFireability-10
Product exploration explored 100000 steps with 0 reset in 5264 ms.
Product exploration explored 100000 steps with 0 reset in 4945 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 (NOT p0)), (X (AND p1 (NOT p0))), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT p0)), (X p1), (X (X (NOT (AND (NOT p1) p0))))]
False Knowledge obtained : [(X (X (AND p1 p0))), (X (X (NOT (AND p1 p0)))), (X (X (AND p1 (NOT p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p0)), (X (X (NOT p0))), (X (X (NOT p1))), (X (X p1))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 6 factoid took 358 ms. Reduced automaton from 5 states, 11 edges and 2 AP (stutter sensitive) to 1 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 43 ms :[(AND p0 (NOT p1))]
RANDOM walk for 40000 steps (8 resets) in 3279 ms. (12 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 116 ms. (341 steps per ms) remains 3/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 48 ms. (816 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 73 ms. (540 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 102 ms. (388 steps per ms) remains 3/3 properties
// Phase 1: matrix 64800 rows 32801 cols
[2025-06-03 17:02:42] [INFO ] Computed 1 invariants in 23567 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 32801/97601 variables, and 3 constraints, problems are : Problem set: 0 solved, 3 unsolved in 5023 ms.
Refiners :[Domain max(s): 2/32801 constraints, Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 0/32801 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem apf3 is UNSAT
At refinement iteration 2 (OVERLAPS) 32799/32801 variables, 1/3 constraints. Problems are: Problem set: 1 solved, 2 unsolved
SMT process timed out in 34091ms, After SMT, problems are : Problem set: 1 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 2 out of 32801 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32801/32801 places, 64800/64800 transitions.
Graph (trivial) has 64796 edges and 32801 vertex of which 32799 / 32801 are part of one of the 1 SCC in 64 ms
Free SCC test removed 32798 places
Drop transitions (Empty/Sink Transition effects.) removed 64796 transitions
Reduce isomorphic transitions removed 64796 transitions.
Applied a total of 1 rules in 233 ms. Remains 3 /32801 variables (removed 32798) and now considering 4/64800 (removed 64796) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 233 ms. Remains : 3/32801 places, 4/64800 transitions.
RANDOM walk for 6 steps (0 resets) in 4 ms. (1 steps per ms) remains 0/2 properties
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p1 (NOT p0)), (X (AND p1 (NOT p0))), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT p0)), (X p1), (X (X (NOT (AND (NOT p1) p0)))), (G (OR (NOT p0) p1))]
False Knowledge obtained : [(X (X (AND p1 p0))), (X (X (NOT (AND p1 p0)))), (X (X (AND p1 (NOT p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p0)), (X (X (NOT p0))), (X (X (NOT p1))), (X (X p1)), (F p0), (F (NOT p1)), (F (NOT (OR (NOT p0) (NOT p1)))), (F (NOT (OR p0 p1))), (F (NOT (AND (NOT p0) p1)))]
Knowledge based reduction with 7 factoid took 500 ms. Reduced automaton from 1 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 39 ms :[(AND p0 (NOT p1))]
Stuttering acceptance computed with spot in 45 ms :[(AND p0 (NOT p1))]
Support contains 2 out of 32801 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 32801/32801 places, 64800/64800 transitions.
Graph (trivial) has 64796 edges and 32801 vertex of which 32799 / 32801 are part of one of the 1 SCC in 20 ms
Free SCC test removed 32798 places
Ensure Unique test removed 64795 transitions
Reduce isomorphic transitions removed 64795 transitions.
Applied a total of 1 rules in 118 ms. Remains 3 /32801 variables (removed 32798) and now considering 5/64800 (removed 64795) transitions.
// Phase 1: matrix 5 rows 3 cols
[2025-06-03 17:02:54] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:02:54] [INFO ] Implicit Places using invariants in 24 ms returned []
[2025-06-03 17:02:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:02:54] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 17:02:54] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2025-06-03 17:02:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 1/3 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/3 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 4/7 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/8 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 51 ms.
Refiners :[Domain max(s): 3/3 constraints, Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 1/3 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/3 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 4/7 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/7 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/7 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/7 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/8 variables, and 9 constraints, problems are : Problem set: 0 solved, 2 unsolved in 34 ms.
Refiners :[Domain max(s): 3/3 constraints, Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 89ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 89ms
Starting structural reductions in SI_LTL mode, iteration 1 : 3/32801 places, 5/64800 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 273 ms. Remains : 3/32801 places, 5/64800 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1)))))]
False Knowledge obtained : [(X (AND p0 p1)), (X (NOT (AND p0 p1))), (X (AND (NOT p0) p1)), (X (NOT (AND (NOT p0) p1))), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (NOT p0)), (X p1), (X (NOT p1)), (X (X (AND p0 p1))), (X (X (NOT (AND p0 p1)))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 3 factoid took 596 ms. Reduced automaton from 1 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 42 ms :[(AND p0 (NOT p1))]
RANDOM walk for 40000 steps (8 resets) in 260 ms. (153 steps per ms) remains 1/6 properties
BEST_FIRST walk for 40000 steps (8 resets) in 169 ms. (235 steps per ms) remains 1/1 properties
[2025-06-03 17:02:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 1/3 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/3 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 4/7 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/8 variables, and 7 constraints, problems are : Problem set: 0 solved, 1 unsolved in 26 ms.
Refiners :[Domain max(s): 3/3 constraints, Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf3 is UNSAT
After SMT solving in domain Int declared 3/8 variables, and 3 constraints, problems are : Problem set: 1 solved, 0 unsolved in 17 ms.
Refiners :[Domain max(s): 2/3 constraints, Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 0/3 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 47ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (G (OR (NOT p0) p1))]
False Knowledge obtained : [(X (AND p0 p1)), (X (NOT (AND p0 p1))), (X (AND (NOT p0) p1)), (X (NOT (AND (NOT p0) p1))), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (NOT p0)), (X p1), (X (NOT p1)), (X (X (AND p0 p1))), (X (X (NOT (AND p0 p1)))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1))), (F p0), (F (NOT p1)), (F (NOT (OR (NOT p0) (NOT p1)))), (F (NOT (OR p0 p1))), (F (NOT (AND (NOT p0) p1)))]
Knowledge based reduction with 4 factoid took 745 ms. Reduced automaton from 1 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 36 ms :[(AND p0 (NOT p1))]
Stuttering acceptance computed with spot in 38 ms :[(AND p0 (NOT p1))]
Stuttering acceptance computed with spot in 43 ms :[(AND p0 (NOT p1))]
Product exploration explored 100000 steps with 0 reset in 70 ms.
Stack based approach found an accepted trace after 3 steps with 0 reset with depth 4 and stack size 3 in 0 ms.
FORMULA ServersAndClients-PT-400080-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property ServersAndClients-PT-400080-LTLFireability-10 finished in 172863 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 32850 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 32850/32850 places, 64800/64800 transitions.
Graph (trivial) has 25600 edges and 32850 vertex of which 13201 / 32850 are part of one of the 1 SCC in 12 ms
Free SCC test removed 13200 places
Ensure Unique test removed 25599 transitions
Reduce isomorphic transitions removed 25599 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 19599 transitions
Trivial Post-agglo rules discarded 19599 transitions
Performed 19599 trivial Post agglomeration. Transition count delta: 19599
Iterating post reduction 0 with 19599 rules applied. Total rules applied 19600 place count 19650 transition count 19602
Reduce places removed 19647 places and 0 transitions.
Ensure Unique test removed 19598 transitions
Reduce isomorphic transitions removed 19598 transitions.
Iterating post reduction 1 with 39245 rules applied. Total rules applied 58845 place count 3 transition count 4
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 58846 place count 3 transition count 3
Applied a total of 58846 rules in 1432 ms. Remains 3 /32850 variables (removed 32847) and now considering 3/64800 (removed 64797) transitions.
// Phase 1: matrix 3 rows 3 cols
[2025-06-03 17:02:57] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:02:57] [INFO ] Implicit Places using invariants in 25 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 27 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 2/32850 places, 3/64800 transitions.
Applied a total of 0 rules in 0 ms. Remains 2 /2 variables (removed 0) and now considering 3/3 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1460 ms. Remains : 2/32850 places, 3/64800 transitions.
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
Running random walk in product with property : ServersAndClients-PT-400080-LTLFireability-13
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA ServersAndClients-PT-400080-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-400080-LTLFireability-13 finished in 1536 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(F(p0))||G(p1))))'
Support contains 3 out of 32850 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 32850/32850 places, 64800/64800 transitions.
Graph (trivial) has 25568 edges and 32850 vertex of which 13168 / 32850 are part of one of the 1 SCC in 13 ms
Free SCC test removed 13167 places
Ensure Unique test removed 25535 transitions
Reduce isomorphic transitions removed 25535 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 19151 transitions
Trivial Post-agglo rules discarded 19151 transitions
Performed 19151 trivial Post agglomeration. Transition count delta: 19151
Iterating post reduction 0 with 19151 rules applied. Total rules applied 19152 place count 19683 transition count 20114
Reduce places removed 19151 places and 0 transitions.
Ensure Unique test removed 19103 transitions
Reduce isomorphic transitions removed 19103 transitions.
Performed 79 Post agglomeration using F-continuation condition.Transition count delta: 79
Iterating post reduction 1 with 38333 rules applied. Total rules applied 57485 place count 532 transition count 932
Reduce places removed 126 places and 0 transitions.
Ensure Unique test removed 124 transitions
Reduce isomorphic transitions removed 124 transitions.
Iterating post reduction 2 with 250 rules applied. Total rules applied 57735 place count 406 transition count 808
Discarding 398 places :
Symmetric choice reduction at 3 with 398 rule applications. Total rules 58133 place count 8 transition count 410
Iterating global reduction 3 with 398 rules applied. Total rules applied 58531 place count 8 transition count 410
Ensure Unique test removed 398 transitions
Reduce isomorphic transitions removed 398 transitions.
Iterating post reduction 3 with 398 rules applied. Total rules applied 58929 place count 8 transition count 12
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 58931 place count 7 transition count 11
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 58932 place count 6 transition count 10
Iterating global reduction 4 with 1 rules applied. Total rules applied 58933 place count 6 transition count 10
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 4 with 2 rules applied. Total rules applied 58935 place count 6 transition count 8
Applied a total of 58935 rules in 1372 ms. Remains 6 /32850 variables (removed 32844) and now considering 8/64800 (removed 64792) transitions.
// Phase 1: matrix 8 rows 6 cols
[2025-06-03 17:02:59] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:02:59] [INFO ] Implicit Places using invariants in 16 ms returned [4]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 17 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 5/32850 places, 8/64800 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1390 ms. Remains : 5/32850 places, 8/64800 transitions.
Stuttering acceptance computed with spot in 110 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : ServersAndClients-PT-400080-LTLFireability-14
Product exploration explored 100000 steps with 4423 reset in 68 ms.
Stack based approach found an accepted trace after 23 steps with 0 reset with depth 24 and stack size 7 in 0 ms.
FORMULA ServersAndClients-PT-400080-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property ServersAndClients-PT-400080-LTLFireability-14 finished in 1609 ms.
All properties solved by simple procedures.
Total runtime 989909 ms.
BK_STOP 1748970179504
--------------------
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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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="ServersAndClients-PT-400080"
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 2-5832"
echo " Executing tool itstools"
echo " Input is ServersAndClients-PT-400080, 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 r198-tall-174894532000076"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/ServersAndClients-PT-400080.tgz
mv ServersAndClients-PT-400080 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 '
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 ;