About the Execution of ITS-Tools for DLCflexbar-PT-4a
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 486.020 | 526926.00 | 630130.00 | 10806.40 | FFFTFFTFFFFFFFFF | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).

Trace from the execution
Formatting '/data/fkordon/mcc2026-input.r098-tall-177955695600428.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is DLCflexbar-PT-4a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695600428
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.1M
-rw-r--r-- 1 mcc users 6.0K Mar 6 15:28 CTLCardinality.txt
-rw-r--r-- 1 mcc users 62K Mar 6 15:28 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Mar 6 15:26 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Mar 6 15:26 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:18 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 09:18 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 09:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:18 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.3K Mar 6 15:33 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 96K Mar 6 15:33 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 6 15:30 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 50K Mar 6 15:30 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:18 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:18 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.7M Mar 3 18:30 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DLCflexbar-PT-4a-LTLFireability-00
FORMULA_NAME DLCflexbar-PT-4a-LTLFireability-01
FORMULA_NAME DLCflexbar-PT-4a-LTLFireability-02
FORMULA_NAME DLCflexbar-PT-4a-LTLFireability-03
FORMULA_NAME DLCflexbar-PT-4a-LTLFireability-04
FORMULA_NAME DLCflexbar-PT-4a-LTLFireability-05
FORMULA_NAME DLCflexbar-PT-4a-LTLFireability-06
FORMULA_NAME DLCflexbar-PT-4a-LTLFireability-07
FORMULA_NAME DLCflexbar-PT-4a-LTLFireability-08
FORMULA_NAME DLCflexbar-PT-4a-LTLFireability-09
FORMULA_NAME DLCflexbar-PT-4a-LTLFireability-10
FORMULA_NAME DLCflexbar-PT-4a-LTLFireability-11
FORMULA_NAME DLCflexbar-PT-4a-LTLFireability-12
FORMULA_NAME DLCflexbar-PT-4a-LTLFireability-13
FORMULA_NAME DLCflexbar-PT-4a-LTLFireability-14
FORMULA_NAME DLCflexbar-PT-4a-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1779611226433
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DLCflexbar-PT-4a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-24 08:27:07] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 08:27:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 08:27:07] [INFO ] Load time of PNML (sax parser for PT used): 241 ms
[2026-05-24 08:27:07] [INFO ] Transformed 927 places.
[2026-05-24 08:27:07] [INFO ] Transformed 6615 transitions.
[2026-05-24 08:27:07] [INFO ] Found NUPN structural information;
[2026-05-24 08:27:07] [INFO ] Parsed PT model containing 927 places and 6615 transitions and 25705 arcs in 360 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
Ensure Unique test removed 752 transitions
Reduce redundant transitions removed 752 transitions.
FORMULA DLCflexbar-PT-4a-LTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 65 out of 927 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 927/927 places, 5863/5863 transitions.
Discarding 89 places :
Symmetric choice reduction at 0 with 89 rule applications. Total rules 89 place count 838 transition count 4976
Iterating global reduction 0 with 89 rules applied. Total rules applied 178 place count 838 transition count 4976
Ensure Unique test removed 40 transitions
Reduce isomorphic transitions removed 40 transitions.
Iterating post reduction 0 with 40 rules applied. Total rules applied 218 place count 838 transition count 4936
Drop transitions (Redundant composition of simpler transitions.) removed 1704 transitions
Redundant transition composition rules discarded 1704 transitions
Iterating global reduction 1 with 1704 rules applied. Total rules applied 1922 place count 838 transition count 3232
Applied a total of 1922 rules in 425 ms. Remains 838 /927 variables (removed 89) and now considering 3232/5863 (removed 2631) transitions.
[2026-05-24 08:27:08] [INFO ] Flow matrix only has 409 transitions (discarded 2823 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-472716681747076201.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4531614268886349181.kers'
[2026-05-24 08:27:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-472716681747076201.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4531614268886349181.kers]
Normalized transition count is 408 out of 409 initially.
Culling duplicate invariants (modulo rational): removing 558 columns.
Culled 558 columns in 0 ms.
// Phase 1: matrix 408 rows 280 cols 865 entries
Finished phase 1 with 230 SingleSign rule and 0 generalized
[2026-05-24 08:27:08] [INFO ] Computed 608 invariants in 1 ms
Computed 608 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-4531614268886349181.kers
Total runtime 2 ms.
[2026-05-24 08:27:12] [INFO ] Implicit Places using invariants in 3809 ms returned [280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299, 300, 301, 302, 304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, 315, 316, 317, 318, 319, 320, 322, 323, 324, 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, 336, 337, 339, 340, 341, 342, 343, 344, 345, 346, 347, 348, 349, 350, 351, 352, 353, 354, 355, 356, 357, 358, 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, 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, 422, 423, 424, 425, 426, 427, 428, 429, 430, 431, 433, 434, 435, 436, 437, 438, 439, 440, 441, 442, 443, 444, 446, 448, 449, 450, 451, 452, 454, 455, 456, 457, 458, 459, 460, 462, 464, 466, 467, 468, 469, 470, 471, 472, 473, 475, 476, 477, 478, 479, 480, 482, 483, 484, 485, 486, 487, 488, 489, 491, 492, 494, 495, 496, 497, 498, 499, 500, 501, 502, 503, 504, 505, 506, 508, 509, 510, 511, 512, 513, 514, 515, 516, 517, 518, 519, 520, 521, 522, 524, 525, 526, 527, 528, 529, 530, 531, 532, 533, 535, 536, 537, 538, 539, 540, 541, 542, 543, 544, 545, 546, 547, 548, 549, 550, 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, 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, 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, 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, 729, 730, 731, 732, 733, 734, 735, 736, 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, 764, 765, 766, 767, 768, 769, 770, 771, 772, 773, 774, 776, 777, 778, 779, 780, 782, 783, 784, 785, 786, 787, 788, 789, 790, 791, 792, 793, 794, 795, 796, 797, 798, 799, 800, 801, 802, 803, 804, 806, 807, 808, 809, 810, 811, 812, 813, 814, 816, 817, 818, 819, 820, 821, 822, 823, 824, 825, 827, 828, 829, 830, 831, 832, 833, 834, 835, 836, 837]
Discarding 525 places :
Ensure Unique test removed 2489 transitions
Reduce isomorphic transitions removed 2489 transitions.
Implicit Place search using SMT only with invariants took 3858 ms to find 525 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 313/927 places, 743/5863 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 212 transitions
Redundant transition composition rules discarded 212 transitions
Iterating global reduction 0 with 212 rules applied. Total rules applied 212 place count 313 transition count 531
Applied a total of 212 rules in 10 ms. Remains 313 /313 variables (removed 0) and now considering 531/743 (removed 212) transitions.
[2026-05-24 08:27:12] [INFO ] Flow matrix only has 409 transitions (discarded 122 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7935182939985485729.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13624778192747047586.kers'
[2026-05-24 08:27:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7935182939985485729.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13624778192747047586.kers]
Normalized transition count is 408 out of 409 initially.
Culling duplicate invariants (modulo rational): removing 33 columns.
Culled 33 columns in 0 ms.
// Phase 1: matrix 408 rows 280 cols 865 entries
Finished phase 1 with 230 SingleSign rule and 0 generalized
[2026-05-24 08:27:12] [INFO ] Computed 83 invariants in 1 ms
Computed 83 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-13624778192747047586.kers
Total runtime 1 ms.
[2026-05-24 08:27:12] [INFO ] Implicit Places using invariants in 60 ms returned []
[2026-05-24 08:27:12] [INFO ] Flow matrix only has 409 transitions (discarded 122 similar events)
[2026-05-24 08:27:12] [INFO ] Invariant cache hit.
[2026-05-24 08:27:12] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 08:27:12] [INFO ] Implicit Places using invariants and state equation in 149 ms returned []
Implicit Place search using SMT with State Equation took 211 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 313/927 places, 531/5863 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 4519 ms. Remains : 313/927 places, 531/5863 transitions.
Starting structural reductions in LTL mode, iteration 0 : 313/313 places, 531/531 transitions.
Applied a total of 0 rules in 3 ms. Remains 313 /313 variables (removed 0) and now considering 531/531 (removed 0) transitions.
[2026-05-24 08:27:12] [INFO ] Flow matrix only has 409 transitions (discarded 122 similar events)
[2026-05-24 08:27:12] [INFO ] Invariant cache hit.
[2026-05-24 08:27:12] [INFO ] Implicit Places using invariants in 52 ms returned []
[2026-05-24 08:27:12] [INFO ] Flow matrix only has 409 transitions (discarded 122 similar events)
[2026-05-24 08:27:12] [INFO ] Invariant cache hit.
[2026-05-24 08:27:12] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 08:27:12] [INFO ] Implicit Places using invariants and state equation in 126 ms returned []
Implicit Place search using SMT with State Equation took 181 ms to find 0 implicit places.
Running 530 sub problems to find dead transitions.
[2026-05-24 08:27:12] [INFO ] Flow matrix only has 409 transitions (discarded 122 similar events)
[2026-05-24 08:27:12] [INFO ] Invariant cache hit.
[2026-05-24 08:27:12] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/279 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 530 unsolved
At refinement iteration 1 (OVERLAPS) 1/280 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 530 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/280 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 530 unsolved
At refinement iteration 3 (OVERLAPS) 33/313 variables, 33/83 constraints. Problems are: Problem set: 0 solved, 530 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/313 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 530 unsolved
At refinement iteration 5 (OVERLAPS) 408/721 variables, 313/396 constraints. Problems are: Problem set: 0 solved, 530 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 6 (INCLUDED_ONLY) 0/721 variables, 0/396 constraints. Problems are: Problem set: 0 solved, 530 unsolved
SMT process timed out in 30134ms, After SMT, problems are : Problem set: 0 solved, 530 unsolved
Search for dead transitions found 0 dead transitions in 30146ms
Finished structural reductions in LTL mode , in 1 iterations and 30349 ms. Remains : 313/313 places, 531/531 transitions.
Support contains 65 out of 313 places after structural reductions.
[2026-05-24 08:27:43] [INFO ] Flatten gal took : 54 ms
[2026-05-24 08:27:43] [INFO ] Flatten gal took : 24 ms
[2026-05-24 08:27:43] [INFO ] Input system was already deterministic with 531 transitions.
Reduction of identical properties reduced properties to check from 35 to 34
RANDOM walk for 14551 steps (2 resets) in 782 ms. (18 steps per ms) remains 0/34 properties
Computed a total of 34 stabilizing places and 1 stable transitions
Graph (complete) has 613 edges and 313 vertex of which 280 are kept as prefixes of interest. Removing 33 places using SCC suffix rule.6 ms
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 313 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 313/313 places, 531/531 transitions.
Graph (trivial) has 527 edges and 313 vertex of which 276 / 313 are part of one of the 50 SCC in 2 ms
Free SCC test removed 226 places
Ensure Unique test removed 474 transitions
Reduce isomorphic transitions removed 474 transitions.
Graph (complete) has 139 edges and 87 vertex of which 55 are kept as prefixes of interest. Removing 32 places using SCC suffix rule.0 ms
Discarding 32 places :
Also discarding 0 output transitions
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 55 transition count 56
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 4 place count 54 transition count 56
Discarding 48 places :
Symmetric choice reduction at 2 with 48 rule applications. Total rules 52 place count 6 transition count 8
Iterating global reduction 2 with 48 rules applied. Total rules applied 100 place count 6 transition count 8
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 101 place count 6 transition count 7
Applied a total of 101 rules in 14 ms. Remains 6 /313 variables (removed 307) and now considering 7/531 (removed 524) transitions.
[2026-05-24 08:27:43] [INFO ] Flow matrix only has 5 transitions (discarded 2 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4711175774511050889.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3310218457615952507.kers'
[2026-05-24 08:27:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4711175774511050889.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3310218457615952507.kers]
Normalized transition count is 4 out of 5 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 4 rows 4 cols 8 entries
Finished phase 1 with 3 SingleSign rule and 0 generalized
[2026-05-24 08:27:43] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3310218457615952507.kers
Total runtime 0 ms.
[2026-05-24 08:27:43] [INFO ] Implicit Places using invariants in 19 ms returned []
[2026-05-24 08:27:43] [INFO ] Flow matrix only has 5 transitions (discarded 2 similar events)
[2026-05-24 08:27:43] [INFO ] Invariant cache hit.
[2026-05-24 08:27:43] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 08:27:43] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
[2026-05-24 08:27:43] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2026-05-24 08:27:43] [INFO ] Flow matrix only has 5 transitions (discarded 2 similar events)
[2026-05-24 08:27:43] [INFO ] Invariant cache hit.
[2026-05-24 08:27:43] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 1/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 4/10 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/10 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 1/11 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/11 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 0/11 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 11/11 variables, and 10 constraints, problems are : Problem set: 0 solved, 6 unsolved in 90 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 6/6 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 1/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 4/10 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/10 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/10 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 1/11 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/11 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 0/11 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 11/11 variables, and 16 constraints, problems are : Problem set: 0 solved, 6 unsolved in 87 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 6/6 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 185ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 185ms
Starting structural reductions in SI_LTL mode, iteration 1 : 6/313 places, 7/531 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 245 ms. Remains : 6/313 places, 7/531 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Stuttering acceptance computed with spot in 139 ms :[(NOT p0)]
Running random walk in product with property : DLCflexbar-PT-4a-LTLFireability-00
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 2 ms.
FORMULA DLCflexbar-PT-4a-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCflexbar-PT-4a-LTLFireability-00 finished in 446 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 313 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 313/313 places, 531/531 transitions.
Graph (trivial) has 524 edges and 313 vertex of which 274 / 313 are part of one of the 49 SCC in 2 ms
Free SCC test removed 225 places
Ensure Unique test removed 472 transitions
Reduce isomorphic transitions removed 472 transitions.
Graph (complete) has 141 edges and 88 vertex of which 56 are kept as prefixes of interest. Removing 32 places using SCC suffix rule.1 ms
Discarding 32 places :
Also discarding 0 output transitions
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 56 transition count 57
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 7 place count 54 transition count 56
Discarding 48 places :
Symmetric choice reduction at 2 with 48 rule applications. Total rules 55 place count 6 transition count 8
Iterating global reduction 2 with 48 rules applied. Total rules applied 103 place count 6 transition count 8
Applied a total of 103 rules in 8 ms. Remains 6 /313 variables (removed 307) and now considering 8/531 (removed 523) transitions.
[2026-05-24 08:27:44] [INFO ] Flow matrix only has 6 transitions (discarded 2 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4064653767014699169.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9309206245166473521.kers'
[2026-05-24 08:27:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4064653767014699169.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9309206245166473521.kers]
Normalized transition count is 5 out of 6 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 5 rows 4 cols 10 entries
Finished phase 1 with 3 SingleSign rule and 0 generalized
[2026-05-24 08:27:44] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9309206245166473521.kers
Total runtime 0 ms.
[2026-05-24 08:27:44] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-24 08:27:44] [INFO ] Flow matrix only has 6 transitions (discarded 2 similar events)
[2026-05-24 08:27:44] [INFO ] Invariant cache hit.
[2026-05-24 08:27:44] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 08:27:44] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
[2026-05-24 08:27:44] [INFO ] Redundant transitions in 0 ms returned []
Running 7 sub problems to find dead transitions.
[2026-05-24 08:27:44] [INFO ] Flow matrix only has 6 transitions (discarded 2 similar events)
[2026-05-24 08:27:44] [INFO ] Invariant cache hit.
[2026-05-24 08:27:44] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 1/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 5/11 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/11 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 1/12 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/12 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (OVERLAPS) 0/12 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 12/12 variables, and 10 constraints, problems are : Problem set: 0 solved, 7 unsolved in 86 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 6/6 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 1/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 5/11 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/11 variables, 7/16 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/11 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 1/12 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/12 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (OVERLAPS) 0/12 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 12/12 variables, and 17 constraints, problems are : Problem set: 0 solved, 7 unsolved in 99 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 6/6 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 187ms problems are : Problem set: 0 solved, 7 unsolved
Search for dead transitions found 0 dead transitions in 188ms
Starting structural reductions in SI_LTL mode, iteration 1 : 6/313 places, 8/531 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 250 ms. Remains : 6/313 places, 8/531 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 70 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : DLCflexbar-PT-4a-LTLFireability-01
Stuttering criterion allowed to conclude after 8 steps with 2 reset in 0 ms.
FORMULA DLCflexbar-PT-4a-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCflexbar-PT-4a-LTLFireability-01 finished in 350 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(G(!p0)) U p1) U X((p2||G(p3)))))'
Support contains 8 out of 313 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 313/313 places, 531/531 transitions.
Reduce places removed 29 places and 0 transitions.
Iterating post reduction 0 with 29 rules applied. Total rules applied 29 place count 284 transition count 531
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 38 place count 275 transition count 513
Iterating global reduction 1 with 9 rules applied. Total rules applied 47 place count 275 transition count 513
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 49 place count 275 transition count 511
Applied a total of 49 rules in 26 ms. Remains 275 /313 variables (removed 38) and now considering 511/531 (removed 20) transitions.
[2026-05-24 08:27:44] [INFO ] Flow matrix only has 398 transitions (discarded 113 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11955013740715279169.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2724755557813474873.kers'
[2026-05-24 08:27:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11955013740715279169.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2724755557813474873.kers]
Normalized transition count is 397 out of 398 initially.
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 397 rows 271 cols 843 entries
Finished phase 1 with 221 SingleSign rule and 0 generalized
[2026-05-24 08:27:44] [INFO ] Computed 54 invariants in 6 ms
Computed 54 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-2724755557813474873.kers
Total runtime 7 ms.
[2026-05-24 08:27:44] [INFO ] Implicit Places using invariants in 56 ms returned []
[2026-05-24 08:27:44] [INFO ] Flow matrix only has 398 transitions (discarded 113 similar events)
[2026-05-24 08:27:44] [INFO ] Invariant cache hit.
[2026-05-24 08:27:44] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 08:27:44] [INFO ] Implicit Places using invariants and state equation in 119 ms returned []
Implicit Place search using SMT with State Equation took 175 ms to find 0 implicit places.
Running 510 sub problems to find dead transitions.
[2026-05-24 08:27:44] [INFO ] Flow matrix only has 398 transitions (discarded 113 similar events)
[2026-05-24 08:27:44] [INFO ] Invariant cache hit.
[2026-05-24 08:27:44] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/270 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 510 unsolved
At refinement iteration 1 (OVERLAPS) 1/271 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 510 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/271 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 510 unsolved
At refinement iteration 3 (OVERLAPS) 4/275 variables, 4/54 constraints. Problems are: Problem set: 0 solved, 510 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/275 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 510 unsolved
At refinement iteration 5 (OVERLAPS) 397/672 variables, 275/329 constraints. Problems are: Problem set: 0 solved, 510 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/672 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 510 unsolved
At refinement iteration 7 (OVERLAPS) 1/673 variables, 1/330 constraints. Problems are: Problem set: 0 solved, 510 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 673/673 variables, and 330 constraints, problems are : Problem set: 0 solved, 510 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 54/54 constraints, State Equation: 275/275 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 510/510 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 510 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/270 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 510 unsolved
At refinement iteration 1 (OVERLAPS) 1/271 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 510 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/271 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 510 unsolved
At refinement iteration 3 (OVERLAPS) 4/275 variables, 4/54 constraints. Problems are: Problem set: 0 solved, 510 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/275 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 510 unsolved
At refinement iteration 5 (OVERLAPS) 397/672 variables, 275/329 constraints. Problems are: Problem set: 0 solved, 510 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/672 variables, 510/839 constraints. Problems are: Problem set: 0 solved, 510 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/672 variables, 0/839 constraints. Problems are: Problem set: 0 solved, 510 unsolved
At refinement iteration 8 (OVERLAPS) 1/673 variables, 1/840 constraints. Problems are: Problem set: 0 solved, 510 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 673/673 variables, and 840 constraints, problems are : Problem set: 0 solved, 510 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 54/54 constraints, State Equation: 275/275 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 510/510 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60098ms problems are : Problem set: 0 solved, 510 unsolved
Search for dead transitions found 0 dead transitions in 60099ms
Starting structural reductions in LTL mode, iteration 1 : 275/313 places, 511/531 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60304 ms. Remains : 275/313 places, 511/531 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(G(!p0)) U p1) U X((G(p2)||p3))))'
Stuttering acceptance computed with spot in 334 ms :[(AND (NOT p2) (NOT p3)), (OR (AND (NOT p1) (NOT p2) (NOT p3)) (AND p0 (NOT p2) (NOT p3))), (AND (NOT p2) (NOT p3)), p0, (AND p0 (NOT p2)), (NOT p1), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : DLCflexbar-PT-4a-LTLFireability-02
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA DLCflexbar-PT-4a-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCflexbar-PT-4a-LTLFireability-02 finished in 60698 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 313 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 313/313 places, 531/531 transitions.
Graph (trivial) has 527 edges and 313 vertex of which 278 / 313 are part of one of the 50 SCC in 2 ms
Free SCC test removed 228 places
Ensure Unique test removed 477 transitions
Reduce isomorphic transitions removed 477 transitions.
Graph (complete) has 136 edges and 85 vertex of which 53 are kept as prefixes of interest. Removing 32 places using SCC suffix rule.1 ms
Discarding 32 places :
Also discarding 0 output transitions
Discarding 48 places :
Symmetric choice reduction at 0 with 48 rule applications. Total rules 50 place count 5 transition count 6
Iterating global reduction 0 with 48 rules applied. Total rules applied 98 place count 5 transition count 6
Applied a total of 98 rules in 8 ms. Remains 5 /313 variables (removed 308) and now considering 6/531 (removed 525) transitions.
[2026-05-24 08:28:45] [INFO ] Flow matrix only has 4 transitions (discarded 2 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10527612727866533843.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8624197315400090832.kers'
[2026-05-24 08:28:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10527612727866533843.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8624197315400090832.kers]
Normalized transition count is 3 out of 4 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 3 rows 3 cols 6 entries
Finished phase 1 with 2 SingleSign rule and 0 generalized
[2026-05-24 08:28:45] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8624197315400090832.kers
Total runtime 0 ms.
[2026-05-24 08:28:45] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-24 08:28:45] [INFO ] Flow matrix only has 4 transitions (discarded 2 similar events)
[2026-05-24 08:28:45] [INFO ] Invariant cache hit.
[2026-05-24 08:28:45] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 08:28:45] [INFO ] Implicit Places using invariants and state equation in 15 ms returned []
Implicit Place search using SMT with State Equation took 33 ms to find 0 implicit places.
[2026-05-24 08:28:45] [INFO ] Redundant transitions in 0 ms returned []
Running 5 sub problems to find dead transitions.
[2026-05-24 08:28:45] [INFO ] Flow matrix only has 4 transitions (discarded 2 similar events)
[2026-05-24 08:28:45] [INFO ] Invariant cache hit.
[2026-05-24 08:28:45] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 1/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 1/5 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 3/8 variables, 5/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 1/9 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/9 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 0/9 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 9/9 variables, and 9 constraints, problems are : Problem set: 0 solved, 5 unsolved in 50 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 1/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 1/5 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 3/8 variables, 5/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/8 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/8 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 1/9 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/9 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 0/9 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 9/9 variables, and 14 constraints, problems are : Problem set: 0 solved, 5 unsolved in 51 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 102ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 103ms
Starting structural reductions in SI_LTL mode, iteration 1 : 5/313 places, 6/531 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 150 ms. Remains : 5/313 places, 6/531 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Running random walk in product with property : DLCflexbar-PT-4a-LTLFireability-04
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA DLCflexbar-PT-4a-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCflexbar-PT-4a-LTLFireability-04 finished in 210 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U p1)||X(F((X(G((p3||X(p4))))&&p2)))))'
Support contains 8 out of 313 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 313/313 places, 531/531 transitions.
Reduce places removed 29 places and 0 transitions.
Iterating post reduction 0 with 29 rules applied. Total rules applied 29 place count 284 transition count 531
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 39 place count 274 transition count 511
Iterating global reduction 1 with 10 rules applied. Total rules applied 49 place count 274 transition count 511
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 52 place count 274 transition count 508
Applied a total of 52 rules in 17 ms. Remains 274 /313 variables (removed 39) and now considering 508/531 (removed 23) transitions.
[2026-05-24 08:28:45] [INFO ] Flow matrix only has 396 transitions (discarded 112 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7921762328415877229.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14829213149092836303.kers'
[2026-05-24 08:28:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7921762328415877229.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14829213149092836303.kers]
Normalized transition count is 395 out of 396 initially.
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 1 ms.
// Phase 1: matrix 395 rows 270 cols 839 entries
Finished phase 1 with 220 SingleSign rule and 0 generalized
[2026-05-24 08:28:45] [INFO ] Computed 54 invariants in 4 ms
Computed 54 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-14829213149092836303.kers
Total runtime 5 ms.
[2026-05-24 08:28:45] [INFO ] Implicit Places using invariants in 52 ms returned []
[2026-05-24 08:28:45] [INFO ] Flow matrix only has 396 transitions (discarded 112 similar events)
[2026-05-24 08:28:45] [INFO ] Invariant cache hit.
[2026-05-24 08:28:45] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 08:28:45] [INFO ] Implicit Places using invariants and state equation in 113 ms returned []
Implicit Place search using SMT with State Equation took 166 ms to find 0 implicit places.
Running 507 sub problems to find dead transitions.
[2026-05-24 08:28:45] [INFO ] Flow matrix only has 396 transitions (discarded 112 similar events)
[2026-05-24 08:28:45] [INFO ] Invariant cache hit.
[2026-05-24 08:28:45] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/269 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 507 unsolved
At refinement iteration 1 (OVERLAPS) 1/270 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 507 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/270 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 507 unsolved
At refinement iteration 3 (OVERLAPS) 4/274 variables, 4/54 constraints. Problems are: Problem set: 0 solved, 507 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 507 unsolved
At refinement iteration 5 (OVERLAPS) 395/669 variables, 274/328 constraints. Problems are: Problem set: 0 solved, 507 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/669 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 507 unsolved
At refinement iteration 7 (OVERLAPS) 1/670 variables, 1/329 constraints. Problems are: Problem set: 0 solved, 507 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 670/670 variables, and 329 constraints, problems are : Problem set: 0 solved, 507 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 54/54 constraints, State Equation: 274/274 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 507/507 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 507 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/269 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 507 unsolved
At refinement iteration 1 (OVERLAPS) 1/270 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 507 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/270 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 507 unsolved
At refinement iteration 3 (OVERLAPS) 4/274 variables, 4/54 constraints. Problems are: Problem set: 0 solved, 507 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 507 unsolved
At refinement iteration 5 (OVERLAPS) 395/669 variables, 274/328 constraints. Problems are: Problem set: 0 solved, 507 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/669 variables, 507/835 constraints. Problems are: Problem set: 0 solved, 507 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/669 variables, 0/835 constraints. Problems are: Problem set: 0 solved, 507 unsolved
At refinement iteration 8 (OVERLAPS) 1/670 variables, 1/836 constraints. Problems are: Problem set: 0 solved, 507 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 670/670 variables, and 836 constraints, problems are : Problem set: 0 solved, 507 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 54/54 constraints, State Equation: 274/274 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 507/507 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60083ms problems are : Problem set: 0 solved, 507 unsolved
Search for dead transitions found 0 dead transitions in 60084ms
Starting structural reductions in LTL mode, iteration 1 : 274/313 places, 508/531 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60270 ms. Remains : 274/313 places, 508/531 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U p1)||X(F((X(G((p3||X(p4))))&&p2)))))'
Stuttering acceptance computed with spot in 436 ms :[(OR (AND (NOT p1) (NOT p3) (NOT p4)) (AND (NOT p1) (NOT p2))), (OR (NOT p2) (AND (NOT p3) (NOT p4))), (OR (AND (NOT p1) (NOT p3) (NOT p4)) (AND (NOT p1) (NOT p2))), (AND (NOT p3) (NOT p4)), (AND (NOT p1) (NOT p3) (NOT p4)), (OR (AND (NOT p2) (NOT p4)) (AND (NOT p3) (NOT p4))), (AND (NOT p3) (NOT p4)), (OR (AND (NOT p1) (NOT p2) (NOT p4)) (AND (NOT p1) (NOT p3) (NOT p4))), (AND (NOT p1) (NOT p3) (NOT p4))]
Running random walk in product with property : DLCflexbar-PT-4a-LTLFireability-05
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA DLCflexbar-PT-4a-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCflexbar-PT-4a-LTLFireability-05 finished in 60764 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X(F((F(p1)&&X(p2))))||p0)))'
Support contains 7 out of 313 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 313/313 places, 531/531 transitions.
Reduce places removed 30 places and 0 transitions.
Iterating post reduction 0 with 30 rules applied. Total rules applied 30 place count 283 transition count 531
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 39 place count 274 transition count 513
Iterating global reduction 1 with 9 rules applied. Total rules applied 48 place count 274 transition count 513
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 52 place count 274 transition count 509
Applied a total of 52 rules in 18 ms. Remains 274 /313 variables (removed 39) and now considering 509/531 (removed 22) transitions.
[2026-05-24 08:29:46] [INFO ] Flow matrix only has 396 transitions (discarded 113 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9928923546027577614.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5391337912804943144.kers'
[2026-05-24 08:29:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9928923546027577614.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5391337912804943144.kers]
Normalized transition count is 395 out of 396 initially.
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 1 ms.
// Phase 1: matrix 395 rows 271 cols 839 entries
Finished phase 1 with 221 SingleSign rule and 0 generalized
[2026-05-24 08:29:46] [INFO ] Computed 53 invariants in 4 ms
Computed 53 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-5391337912804943144.kers
Total runtime 5 ms.
[2026-05-24 08:29:46] [INFO ] Implicit Places using invariants in 62 ms returned []
[2026-05-24 08:29:46] [INFO ] Flow matrix only has 396 transitions (discarded 113 similar events)
[2026-05-24 08:29:46] [INFO ] Invariant cache hit.
[2026-05-24 08:29:46] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 08:29:46] [INFO ] Implicit Places using invariants and state equation in 117 ms returned []
Implicit Place search using SMT with State Equation took 181 ms to find 0 implicit places.
Running 508 sub problems to find dead transitions.
[2026-05-24 08:29:46] [INFO ] Flow matrix only has 396 transitions (discarded 113 similar events)
[2026-05-24 08:29:46] [INFO ] Invariant cache hit.
[2026-05-24 08:29:46] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/270 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 1 (OVERLAPS) 1/271 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/271 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 3 (OVERLAPS) 3/274 variables, 3/53 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 5 (OVERLAPS) 395/669 variables, 274/327 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/669 variables, 0/327 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 7 (OVERLAPS) 1/670 variables, 1/328 constraints. Problems are: Problem set: 0 solved, 508 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 670/670 variables, and 328 constraints, problems are : Problem set: 0 solved, 508 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 53/53 constraints, State Equation: 274/274 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 508/508 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 508 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/270 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 1 (OVERLAPS) 1/271 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/271 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 3 (OVERLAPS) 3/274 variables, 3/53 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 5 (OVERLAPS) 395/669 variables, 274/327 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/669 variables, 508/835 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/669 variables, 0/835 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 8 (OVERLAPS) 1/670 variables, 1/836 constraints. Problems are: Problem set: 0 solved, 508 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 670/670 variables, and 836 constraints, problems are : Problem set: 0 solved, 508 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 53/53 constraints, State Equation: 274/274 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 508/508 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60055ms problems are : Problem set: 0 solved, 508 unsolved
Search for dead transitions found 0 dead transitions in 60056ms
Starting structural reductions in LTL mode, iteration 1 : 274/313 places, 509/531 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60256 ms. Remains : 274/313 places, 509/531 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X(F((F(p1)&&X(p2))))||p0)))'
Stuttering acceptance computed with spot in 167 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : DLCflexbar-PT-4a-LTLFireability-06
Product exploration explored 100000 steps with 50000 reset in 614 ms.
Product exploration explored 100000 steps with 50000 reset in 426 ms.
Computed a total of 4 stabilizing places and 1 stable transitions
Graph (complete) has 561 edges and 274 vertex of which 271 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.5 ms
Computed a total of 4 stabilizing places and 1 stable transitions
Knowledge based reduction with 5 factoid took 161 ms. Proved property starting from automaton with 4 states, 6 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 180 ms.
FORMULA DLCflexbar-PT-4a-LTLFireability-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DLCflexbar-PT-4a-LTLFireability-06 finished in 61683 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X(X((G(p0)||G(p1))))))))'
Support contains 4 out of 313 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 313/313 places, 531/531 transitions.
Reduce places removed 31 places and 0 transitions.
Iterating post reduction 0 with 31 rules applied. Total rules applied 31 place count 282 transition count 531
Discarding 11 places :
Symmetric choice reduction at 1 with 11 rule applications. Total rules 42 place count 271 transition count 509
Iterating global reduction 1 with 11 rules applied. Total rules applied 53 place count 271 transition count 509
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 57 place count 271 transition count 505
Applied a total of 57 rules in 14 ms. Remains 271 /313 variables (removed 42) and now considering 505/531 (removed 26) transitions.
[2026-05-24 08:30:48] [INFO ] Flow matrix only has 394 transitions (discarded 111 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15913088676675533895.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11059160639976532818.kers'
[2026-05-24 08:30:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15913088676675533895.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11059160639976532818.kers]
Normalized transition count is 393 out of 394 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 393 rows 269 cols 835 entries
Finished phase 1 with 219 SingleSign rule and 0 generalized
[2026-05-24 08:30:48] [INFO ] Computed 52 invariants in 1 ms
Computed 52 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-11059160639976532818.kers
Total runtime 2 ms.
[2026-05-24 08:30:48] [INFO ] Implicit Places using invariants in 51 ms returned []
[2026-05-24 08:30:48] [INFO ] Flow matrix only has 394 transitions (discarded 111 similar events)
[2026-05-24 08:30:48] [INFO ] Invariant cache hit.
[2026-05-24 08:30:48] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 08:30:48] [INFO ] Implicit Places using invariants and state equation in 119 ms returned []
Implicit Place search using SMT with State Equation took 170 ms to find 0 implicit places.
Running 504 sub problems to find dead transitions.
[2026-05-24 08:30:48] [INFO ] Flow matrix only has 394 transitions (discarded 111 similar events)
[2026-05-24 08:30:48] [INFO ] Invariant cache hit.
[2026-05-24 08:30:48] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/268 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 1 (OVERLAPS) 1/269 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/269 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 3 (OVERLAPS) 2/271 variables, 2/52 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/271 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 5 (OVERLAPS) 393/664 variables, 271/323 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/664 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 7 (OVERLAPS) 1/665 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 504 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 665/665 variables, and 324 constraints, problems are : Problem set: 0 solved, 504 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 52/52 constraints, State Equation: 271/271 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 504/504 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 504 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/268 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 1 (OVERLAPS) 1/269 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/269 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 3 (OVERLAPS) 2/271 variables, 2/52 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/271 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 5 (OVERLAPS) 393/664 variables, 271/323 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/664 variables, 504/827 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/664 variables, 0/827 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 8 (OVERLAPS) 1/665 variables, 1/828 constraints. Problems are: Problem set: 0 solved, 504 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 665/665 variables, and 828 constraints, problems are : Problem set: 0 solved, 504 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 52/52 constraints, State Equation: 271/271 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 504/504 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60062ms problems are : Problem set: 0 solved, 504 unsolved
Search for dead transitions found 0 dead transitions in 60063ms
Starting structural reductions in LTL mode, iteration 1 : 271/313 places, 505/531 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60248 ms. Remains : 271/313 places, 505/531 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X(X((G(p0)||G(p1))))))))'
Stuttering acceptance computed with spot in 354 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : DLCflexbar-PT-4a-LTLFireability-07
Entered a terminal (fully accepting) state of product in 24 steps with 0 reset in 1 ms.
FORMULA DLCflexbar-PT-4a-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCflexbar-PT-4a-LTLFireability-07 finished in 60641 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 4 out of 313 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 313/313 places, 531/531 transitions.
Graph (trivial) has 512 edges and 313 vertex of which 266 / 313 are part of one of the 50 SCC in 2 ms
Free SCC test removed 216 places
Ensure Unique test removed 448 transitions
Reduce isomorphic transitions removed 448 transitions.
Graph (complete) has 165 edges and 97 vertex of which 66 are kept as prefixes of interest. Removing 31 places using SCC suffix rule.1 ms
Discarding 31 places :
Also discarding 0 output transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 66 transition count 81
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 6 place count 64 transition count 81
Discarding 47 places :
Symmetric choice reduction at 2 with 47 rule applications. Total rules 53 place count 17 transition count 34
Iterating global reduction 2 with 47 rules applied. Total rules applied 100 place count 17 transition count 34
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 2 with 3 rules applied. Total rules applied 103 place count 17 transition count 31
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 105 place count 17 transition count 31
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 107 place count 15 transition count 29
Iterating global reduction 2 with 2 rules applied. Total rules applied 109 place count 15 transition count 29
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 111 place count 15 transition count 27
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 112 place count 15 transition count 26
Applied a total of 112 rules in 14 ms. Remains 15 /313 variables (removed 298) and now considering 26/531 (removed 505) transitions.
[2026-05-24 08:31:48] [INFO ] Flow matrix only has 17 transitions (discarded 9 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18327736818568270117.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9988996365756021446.kers'
[2026-05-24 08:31:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18327736818568270117.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9988996365756021446.kers]
Normalized transition count is 16 out of 17 initially.
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 16 rows 12 cols 33 entries
Finished phase 1 with 10 SingleSign rule and 0 generalized
[2026-05-24 08:31:48] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9988996365756021446.kers
Total runtime 0 ms.
[2026-05-24 08:31:48] [INFO ] Implicit Places using invariants in 20 ms returned []
[2026-05-24 08:31:48] [INFO ] Flow matrix only has 17 transitions (discarded 9 similar events)
[2026-05-24 08:31:48] [INFO ] Invariant cache hit.
[2026-05-24 08:31:48] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 08:31:48] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
[2026-05-24 08:31:48] [INFO ] Redundant transitions in 0 ms returned []
Running 25 sub problems to find dead transitions.
[2026-05-24 08:31:48] [INFO ] Flow matrix only has 17 transitions (discarded 9 similar events)
[2026-05-24 08:31:48] [INFO ] Invariant cache hit.
[2026-05-24 08:31:48] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 1 (OVERLAPS) 1/13 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 3 (OVERLAPS) 2/15 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 5 (OVERLAPS) 16/31 variables, 15/20 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/31 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 7 (OVERLAPS) 1/32 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/32 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 9 (OVERLAPS) 0/32 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 25 unsolved
No progress, stopping.
After SMT solving in domain Real declared 32/32 variables, and 21 constraints, problems are : Problem set: 0 solved, 25 unsolved in 300 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 15/15 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 25/25 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 25 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 1 (OVERLAPS) 1/13 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 3 (OVERLAPS) 2/15 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 5 (OVERLAPS) 16/31 variables, 15/20 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/31 variables, 25/45 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/31 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 8 (OVERLAPS) 1/32 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/32 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 10 (OVERLAPS) 0/32 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 25 unsolved
No progress, stopping.
After SMT solving in domain Int declared 32/32 variables, and 46 constraints, problems are : Problem set: 0 solved, 25 unsolved in 287 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 15/15 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 25/25 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 591ms problems are : Problem set: 0 solved, 25 unsolved
Search for dead transitions found 0 dead transitions in 591ms
Starting structural reductions in SI_LTL mode, iteration 1 : 15/313 places, 26/531 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 662 ms. Remains : 15/313 places, 26/531 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Stuttering acceptance computed with spot in 111 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : DLCflexbar-PT-4a-LTLFireability-08
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA DLCflexbar-PT-4a-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCflexbar-PT-4a-LTLFireability-08 finished in 802 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U G(!p0)))'
Support contains 2 out of 313 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 313/313 places, 531/531 transitions.
Graph (trivial) has 527 edges and 313 vertex of which 277 / 313 are part of one of the 50 SCC in 1 ms
Free SCC test removed 227 places
Ensure Unique test removed 476 transitions
Reduce isomorphic transitions removed 476 transitions.
Graph (complete) has 137 edges and 86 vertex of which 54 are kept as prefixes of interest. Removing 32 places using SCC suffix rule.1 ms
Discarding 32 places :
Also discarding 0 output transitions
Discarding 48 places :
Symmetric choice reduction at 0 with 48 rule applications. Total rules 50 place count 6 transition count 7
Iterating global reduction 0 with 48 rules applied. Total rules applied 98 place count 6 transition count 7
Applied a total of 98 rules in 5 ms. Remains 6 /313 variables (removed 307) and now considering 7/531 (removed 524) transitions.
[2026-05-24 08:31:49] [INFO ] Flow matrix only has 5 transitions (discarded 2 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14794663463961080991.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15999990426538548529.kers'
[2026-05-24 08:31:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14794663463961080991.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15999990426538548529.kers]
Normalized transition count is 4 out of 5 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 4 rows 4 cols 8 entries
Finished phase 1 with 3 SingleSign rule and 0 generalized
[2026-05-24 08:31:49] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15999990426538548529.kers
Total runtime 0 ms.
[2026-05-24 08:31:49] [INFO ] Implicit Places using invariants in 19 ms returned []
[2026-05-24 08:31:49] [INFO ] Flow matrix only has 5 transitions (discarded 2 similar events)
[2026-05-24 08:31:49] [INFO ] Invariant cache hit.
[2026-05-24 08:31:49] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 08:31:49] [INFO ] Implicit Places using invariants and state equation in 16 ms returned []
Implicit Place search using SMT with State Equation took 37 ms to find 0 implicit places.
[2026-05-24 08:31:49] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2026-05-24 08:31:49] [INFO ] Flow matrix only has 5 transitions (discarded 2 similar events)
[2026-05-24 08:31:49] [INFO ] Invariant cache hit.
[2026-05-24 08:31:49] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 1/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 4/10 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/10 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 1/11 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/11 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 0/11 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 11/11 variables, and 10 constraints, problems are : Problem set: 0 solved, 6 unsolved in 66 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 6/6 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 1/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 4/10 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/10 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/10 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 1/11 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/11 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 0/11 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 11/11 variables, and 16 constraints, problems are : Problem set: 0 solved, 6 unsolved in 64 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 6/6 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 133ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 134ms
Starting structural reductions in SI_LTL mode, iteration 1 : 6/313 places, 7/531 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 183 ms. Remains : 6/313 places, 7/531 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U G(!p0)))'
Stuttering acceptance computed with spot in 102 ms :[p0, true, p0]
Running random walk in product with property : DLCflexbar-PT-4a-LTLFireability-09
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA DLCflexbar-PT-4a-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCflexbar-PT-4a-LTLFireability-09 finished in 319 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0)&&(G(!p1) U (G(p2) U X(X(p3))))))'
Support contains 6 out of 313 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 313/313 places, 531/531 transitions.
Reduce places removed 30 places and 0 transitions.
Iterating post reduction 0 with 30 rules applied. Total rules applied 30 place count 283 transition count 531
Discarding 11 places :
Symmetric choice reduction at 1 with 11 rule applications. Total rules 41 place count 272 transition count 509
Iterating global reduction 1 with 11 rules applied. Total rules applied 52 place count 272 transition count 509
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 56 place count 272 transition count 505
Applied a total of 56 rules in 11 ms. Remains 272 /313 variables (removed 41) and now considering 505/531 (removed 26) transitions.
[2026-05-24 08:31:49] [INFO ] Flow matrix only has 394 transitions (discarded 111 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-853167770307122536.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2481093892825890565.kers'
[2026-05-24 08:31:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-853167770307122536.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2481093892825890565.kers]
Normalized transition count is 393 out of 394 initially.
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 393 rows 269 cols 835 entries
Finished phase 1 with 219 SingleSign rule and 0 generalized
[2026-05-24 08:31:49] [INFO ] Computed 53 invariants in 4 ms
Computed 53 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-2481093892825890565.kers
Total runtime 5 ms.
[2026-05-24 08:31:49] [INFO ] Implicit Places using invariants in 66 ms returned []
[2026-05-24 08:31:49] [INFO ] Flow matrix only has 394 transitions (discarded 111 similar events)
[2026-05-24 08:31:49] [INFO ] Invariant cache hit.
[2026-05-24 08:31:50] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 08:31:50] [INFO ] Implicit Places using invariants and state equation in 114 ms returned []
Implicit Place search using SMT with State Equation took 182 ms to find 0 implicit places.
Running 504 sub problems to find dead transitions.
[2026-05-24 08:31:50] [INFO ] Flow matrix only has 394 transitions (discarded 111 similar events)
[2026-05-24 08:31:50] [INFO ] Invariant cache hit.
[2026-05-24 08:31:50] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/268 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 1 (OVERLAPS) 1/269 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/269 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 3 (OVERLAPS) 3/272 variables, 3/53 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/272 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 5 (OVERLAPS) 393/665 variables, 272/325 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/665 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 7 (OVERLAPS) 1/666 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 504 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 666/666 variables, and 326 constraints, problems are : Problem set: 0 solved, 504 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 53/53 constraints, State Equation: 272/272 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 504/504 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 504 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/268 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 1 (OVERLAPS) 1/269 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/269 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 3 (OVERLAPS) 3/272 variables, 3/53 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/272 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 5 (OVERLAPS) 393/665 variables, 272/325 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/665 variables, 504/829 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/665 variables, 0/829 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 8 (OVERLAPS) 1/666 variables, 1/830 constraints. Problems are: Problem set: 0 solved, 504 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 666/666 variables, and 830 constraints, problems are : Problem set: 0 solved, 504 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 53/53 constraints, State Equation: 272/272 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 504/504 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60063ms problems are : Problem set: 0 solved, 504 unsolved
Search for dead transitions found 0 dead transitions in 60063ms
Starting structural reductions in LTL mode, iteration 1 : 272/313 places, 505/531 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60257 ms. Remains : 272/313 places, 505/531 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0)&&(G(!p1) U (G(p2) U X(X(p3))))))'
Stuttering acceptance computed with spot in 607 ms :[(OR (NOT p3) (AND p1 (NOT p2))), (OR (NOT p2) (NOT p3)), (AND p1 (NOT p2)), (NOT p2), (NOT p3), (NOT p3), (OR (NOT p0) (NOT p3)), true, (OR (NOT p0) (NOT p3)), (OR (NOT p0) (NOT p3)), (OR (NOT p0) (NOT p3)), (OR (NOT p0) (NOT p3)), (NOT p3), (NOT p3), (OR (NOT p3) p1), p1]
Running random walk in product with property : DLCflexbar-PT-4a-LTLFireability-10
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA DLCflexbar-PT-4a-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCflexbar-PT-4a-LTLFireability-10 finished in 60928 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(F(!p0))||G((F(p1)||(F(!p0)&&X(X(F(!p2))))))))'
Support contains 6 out of 313 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 313/313 places, 531/531 transitions.
Graph (trivial) has 514 edges and 313 vertex of which 267 / 313 are part of one of the 50 SCC in 2 ms
Free SCC test removed 217 places
Ensure Unique test removed 452 transitions
Reduce isomorphic transitions removed 452 transitions.
Graph (complete) has 161 edges and 96 vertex of which 67 are kept as prefixes of interest. Removing 29 places using SCC suffix rule.2 ms
Discarding 29 places :
Also discarding 0 output transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 67 transition count 77
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 6 place count 65 transition count 77
Discarding 48 places :
Symmetric choice reduction at 2 with 48 rule applications. Total rules 54 place count 17 transition count 27
Iterating global reduction 2 with 48 rules applied. Total rules applied 102 place count 17 transition count 27
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 104 place count 17 transition count 25
Applied a total of 104 rules in 13 ms. Remains 17 /313 variables (removed 296) and now considering 25/531 (removed 506) transitions.
[2026-05-24 08:32:50] [INFO ] Flow matrix only has 16 transitions (discarded 9 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16673445195099602531.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16871105757836391506.kers'
[2026-05-24 08:32:50] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16673445195099602531.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16871105757836391506.kers]
Normalized transition count is 15 out of 16 initially.
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 15 rows 12 cols 32 entries
Finished phase 1 with 9 SingleSign rule and 0 generalized
[2026-05-24 08:32:50] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16871105757836391506.kers
Total runtime 0 ms.
[2026-05-24 08:32:50] [INFO ] Implicit Places using invariants in 25 ms returned []
[2026-05-24 08:32:50] [INFO ] Flow matrix only has 16 transitions (discarded 9 similar events)
[2026-05-24 08:32:50] [INFO ] Invariant cache hit.
[2026-05-24 08:32:50] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 08:32:50] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
[2026-05-24 08:32:50] [INFO ] Redundant transitions in 0 ms returned []
Running 24 sub problems to find dead transitions.
[2026-05-24 08:32:50] [INFO ] Flow matrix only has 16 transitions (discarded 9 similar events)
[2026-05-24 08:32:50] [INFO ] Invariant cache hit.
[2026-05-24 08:32:50] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 1 (OVERLAPS) 1/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 3 (OVERLAPS) 4/17 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/17 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 5 (OVERLAPS) 15/32 variables, 17/25 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/32 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 7 (OVERLAPS) 1/33 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/33 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 9 (OVERLAPS) 0/33 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 24 unsolved
No progress, stopping.
After SMT solving in domain Real declared 33/33 variables, and 26 constraints, problems are : Problem set: 0 solved, 24 unsolved in 263 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 17/17 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 24/24 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 24 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 1 (OVERLAPS) 1/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 3 (OVERLAPS) 4/17 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/17 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 5 (OVERLAPS) 15/32 variables, 17/25 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/32 variables, 24/49 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/32 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 8 (OVERLAPS) 1/33 variables, 1/50 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/33 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 10 (OVERLAPS) 0/33 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 24 unsolved
No progress, stopping.
After SMT solving in domain Int declared 33/33 variables, and 50 constraints, problems are : Problem set: 0 solved, 24 unsolved in 245 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 17/17 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 24/24 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 510ms problems are : Problem set: 0 solved, 24 unsolved
Search for dead transitions found 0 dead transitions in 510ms
Starting structural reductions in SI_LTL mode, iteration 1 : 17/313 places, 25/531 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 575 ms. Remains : 17/313 places, 25/531 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(F(p0))||G((F(p1)||(F(p0)&&X(X(F(p2))))))))'
Stuttering acceptance computed with spot in 78 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : DLCflexbar-PT-4a-LTLFireability-11
Stuttering criterion allowed to conclude after 8 steps with 0 reset in 1 ms.
FORMULA DLCflexbar-PT-4a-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCflexbar-PT-4a-LTLFireability-11 finished in 700 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(G(!p0)) U p0)))'
Support contains 2 out of 313 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 313/313 places, 531/531 transitions.
Graph (trivial) has 527 edges and 313 vertex of which 276 / 313 are part of one of the 50 SCC in 3 ms
Free SCC test removed 226 places
Ensure Unique test removed 474 transitions
Reduce isomorphic transitions removed 474 transitions.
Graph (complete) has 139 edges and 87 vertex of which 55 are kept as prefixes of interest. Removing 32 places using SCC suffix rule.1 ms
Discarding 32 places :
Also discarding 0 output transitions
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 55 transition count 56
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 4 place count 54 transition count 56
Discarding 48 places :
Symmetric choice reduction at 2 with 48 rule applications. Total rules 52 place count 6 transition count 8
Iterating global reduction 2 with 48 rules applied. Total rules applied 100 place count 6 transition count 8
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 101 place count 6 transition count 7
Applied a total of 101 rules in 12 ms. Remains 6 /313 variables (removed 307) and now considering 7/531 (removed 524) transitions.
[2026-05-24 08:32:51] [INFO ] Flow matrix only has 5 transitions (discarded 2 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3347856231117390948.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13282272178229383409.kers'
[2026-05-24 08:32:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3347856231117390948.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13282272178229383409.kers]
Normalized transition count is 4 out of 5 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 4 rows 4 cols 8 entries
Finished phase 1 with 3 SingleSign rule and 0 generalized
[2026-05-24 08:32:51] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13282272178229383409.kers
Total runtime 0 ms.
[2026-05-24 08:32:51] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-24 08:32:51] [INFO ] Flow matrix only has 5 transitions (discarded 2 similar events)
[2026-05-24 08:32:51] [INFO ] Invariant cache hit.
[2026-05-24 08:32:51] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 08:32:51] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 36 ms to find 0 implicit places.
[2026-05-24 08:32:51] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2026-05-24 08:32:51] [INFO ] Flow matrix only has 5 transitions (discarded 2 similar events)
[2026-05-24 08:32:51] [INFO ] Invariant cache hit.
[2026-05-24 08:32:51] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 1/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 4/10 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/10 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 1/11 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/11 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 0/11 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 11/11 variables, and 10 constraints, problems are : Problem set: 0 solved, 6 unsolved in 64 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 6/6 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 1/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 4/10 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/10 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/10 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 1/11 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/11 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 0/11 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 11/11 variables, and 16 constraints, problems are : Problem set: 0 solved, 6 unsolved in 67 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 6/6 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 132ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 132ms
Starting structural reductions in SI_LTL mode, iteration 1 : 6/313 places, 7/531 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 184 ms. Remains : 6/313 places, 7/531 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(G(!p0)) U p0)))'
Stuttering acceptance computed with spot in 49 ms :[(NOT p0), true]
Running random walk in product with property : DLCflexbar-PT-4a-LTLFireability-12
Entered a terminal (fully accepting) state of product in 0 steps with 0 reset in 0 ms.
FORMULA DLCflexbar-PT-4a-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCflexbar-PT-4a-LTLFireability-12 finished in 256 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G((p0||X(p1))))))'
Support contains 5 out of 313 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 313/313 places, 531/531 transitions.
Reduce places removed 31 places and 0 transitions.
Iterating post reduction 0 with 31 rules applied. Total rules applied 31 place count 282 transition count 531
Discarding 11 places :
Symmetric choice reduction at 1 with 11 rule applications. Total rules 42 place count 271 transition count 509
Iterating global reduction 1 with 11 rules applied. Total rules applied 53 place count 271 transition count 509
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 57 place count 271 transition count 505
Applied a total of 57 rules in 13 ms. Remains 271 /313 variables (removed 42) and now considering 505/531 (removed 26) transitions.
[2026-05-24 08:32:51] [INFO ] Flow matrix only has 394 transitions (discarded 111 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3366156935168924682.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3788540330444370343.kers'
[2026-05-24 08:32:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3366156935168924682.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3788540330444370343.kers]
Normalized transition count is 393 out of 394 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 393 rows 269 cols 835 entries
Finished phase 1 with 219 SingleSign rule and 0 generalized
[2026-05-24 08:32:51] [INFO ] Computed 52 invariants in 1 ms
Computed 52 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-3788540330444370343.kers
Total runtime 2 ms.
[2026-05-24 08:32:51] [INFO ] Implicit Places using invariants in 48 ms returned []
[2026-05-24 08:32:51] [INFO ] Flow matrix only has 394 transitions (discarded 111 similar events)
[2026-05-24 08:32:51] [INFO ] Invariant cache hit.
[2026-05-24 08:32:51] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 08:32:51] [INFO ] Implicit Places using invariants and state equation in 118 ms returned []
Implicit Place search using SMT with State Equation took 167 ms to find 0 implicit places.
Running 504 sub problems to find dead transitions.
[2026-05-24 08:32:51] [INFO ] Flow matrix only has 394 transitions (discarded 111 similar events)
[2026-05-24 08:32:51] [INFO ] Invariant cache hit.
[2026-05-24 08:32:51] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/268 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 1 (OVERLAPS) 1/269 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/269 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 3 (OVERLAPS) 2/271 variables, 2/52 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/271 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 5 (OVERLAPS) 393/664 variables, 271/323 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/664 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 7 (OVERLAPS) 1/665 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 504 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 665/665 variables, and 324 constraints, problems are : Problem set: 0 solved, 504 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 52/52 constraints, State Equation: 271/271 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 504/504 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 504 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/268 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 1 (OVERLAPS) 1/269 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/269 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 3 (OVERLAPS) 2/271 variables, 2/52 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/271 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 5 (OVERLAPS) 393/664 variables, 271/323 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/664 variables, 504/827 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/664 variables, 0/827 constraints. Problems are: Problem set: 0 solved, 504 unsolved
At refinement iteration 8 (OVERLAPS) 1/665 variables, 1/828 constraints. Problems are: Problem set: 0 solved, 504 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 665/665 variables, and 828 constraints, problems are : Problem set: 0 solved, 504 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 52/52 constraints, State Equation: 271/271 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 504/504 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60055ms problems are : Problem set: 0 solved, 504 unsolved
Search for dead transitions found 0 dead transitions in 60056ms
Starting structural reductions in LTL mode, iteration 1 : 271/313 places, 505/531 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60239 ms. Remains : 271/313 places, 505/531 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G((X(p0)||p1)))))'
Stuttering acceptance computed with spot in 181 ms :[true, (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : DLCflexbar-PT-4a-LTLFireability-13
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA DLCflexbar-PT-4a-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCflexbar-PT-4a-LTLFireability-13 finished in 60454 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(((!p0&&X(X(X((p1&&F(!p2))))))||G((p1&&F(!p2)))))))'
Support contains 6 out of 313 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 313/313 places, 531/531 transitions.
Reduce places removed 31 places and 0 transitions.
Iterating post reduction 0 with 31 rules applied. Total rules applied 31 place count 282 transition count 531
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 40 place count 273 transition count 513
Iterating global reduction 1 with 9 rules applied. Total rules applied 49 place count 273 transition count 513
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 52 place count 273 transition count 510
Applied a total of 52 rules in 13 ms. Remains 273 /313 variables (removed 40) and now considering 510/531 (removed 21) transitions.
[2026-05-24 08:33:52] [INFO ] Flow matrix only has 397 transitions (discarded 113 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14110990907594068.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9025459598813443932.kers'
[2026-05-24 08:33:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14110990907594068.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9025459598813443932.kers]
Normalized transition count is 396 out of 397 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 396 rows 271 cols 841 entries
Finished phase 1 with 221 SingleSign rule and 0 generalized
[2026-05-24 08:33:52] [INFO ] Computed 52 invariants in 1 ms
Computed 52 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-9025459598813443932.kers
Total runtime 3 ms.
[2026-05-24 08:33:52] [INFO ] Implicit Places using invariants in 63 ms returned []
[2026-05-24 08:33:52] [INFO ] Flow matrix only has 397 transitions (discarded 113 similar events)
[2026-05-24 08:33:52] [INFO ] Invariant cache hit.
[2026-05-24 08:33:52] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 08:33:52] [INFO ] Implicit Places using invariants and state equation in 114 ms returned []
Implicit Place search using SMT with State Equation took 178 ms to find 0 implicit places.
Running 509 sub problems to find dead transitions.
[2026-05-24 08:33:52] [INFO ] Flow matrix only has 397 transitions (discarded 113 similar events)
[2026-05-24 08:33:52] [INFO ] Invariant cache hit.
[2026-05-24 08:33:52] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/270 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 509 unsolved
At refinement iteration 1 (OVERLAPS) 1/271 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 509 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/271 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 509 unsolved
At refinement iteration 3 (OVERLAPS) 2/273 variables, 2/52 constraints. Problems are: Problem set: 0 solved, 509 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/273 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 509 unsolved
At refinement iteration 5 (OVERLAPS) 396/669 variables, 273/325 constraints. Problems are: Problem set: 0 solved, 509 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/669 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 509 unsolved
At refinement iteration 7 (OVERLAPS) 1/670 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 509 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 670/670 variables, and 326 constraints, problems are : Problem set: 0 solved, 509 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 52/52 constraints, State Equation: 273/273 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 509/509 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 509 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/270 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 509 unsolved
At refinement iteration 1 (OVERLAPS) 1/271 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 509 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/271 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 509 unsolved
At refinement iteration 3 (OVERLAPS) 2/273 variables, 2/52 constraints. Problems are: Problem set: 0 solved, 509 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/273 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 509 unsolved
At refinement iteration 5 (OVERLAPS) 396/669 variables, 273/325 constraints. Problems are: Problem set: 0 solved, 509 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/669 variables, 509/834 constraints. Problems are: Problem set: 0 solved, 509 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/669 variables, 0/834 constraints. Problems are: Problem set: 0 solved, 509 unsolved
At refinement iteration 8 (OVERLAPS) 1/670 variables, 1/835 constraints. Problems are: Problem set: 0 solved, 509 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 670/670 variables, and 835 constraints, problems are : Problem set: 0 solved, 509 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 52/52 constraints, State Equation: 273/273 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 509/509 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60060ms problems are : Problem set: 0 solved, 509 unsolved
Search for dead transitions found 0 dead transitions in 60061ms
Starting structural reductions in LTL mode, iteration 1 : 273/313 places, 510/531 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60254 ms. Remains : 273/313 places, 510/531 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((G((p0&&F(p1)))||(X(X(X((p0&&F(p1)))))&&p2)))))'
Stuttering acceptance computed with spot in 454 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : DLCflexbar-PT-4a-LTLFireability-14
Stuttering criterion allowed to conclude after 67 steps with 0 reset in 2 ms.
FORMULA DLCflexbar-PT-4a-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCflexbar-PT-4a-LTLFireability-14 finished in 60773 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(!p0) U p1)))'
Support contains 4 out of 313 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 313/313 places, 531/531 transitions.
Reduce places removed 31 places and 0 transitions.
Iterating post reduction 0 with 31 rules applied. Total rules applied 31 place count 282 transition count 531
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 40 place count 273 transition count 513
Iterating global reduction 1 with 9 rules applied. Total rules applied 49 place count 273 transition count 513
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 53 place count 273 transition count 509
Applied a total of 53 rules in 6 ms. Remains 273 /313 variables (removed 40) and now considering 509/531 (removed 22) transitions.
[2026-05-24 08:34:52] [INFO ] Flow matrix only has 396 transitions (discarded 113 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7573271072653418029.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5020322221060536034.kers'
[2026-05-24 08:34:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7573271072653418029.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5020322221060536034.kers]
Normalized transition count is 395 out of 396 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 395 rows 271 cols 839 entries
Finished phase 1 with 221 SingleSign rule and 0 generalized
[2026-05-24 08:34:52] [INFO ] Computed 52 invariants in 2 ms
Computed 52 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-5020322221060536034.kers
Total runtime 2 ms.
[2026-05-24 08:34:52] [INFO ] Implicit Places using invariants in 56 ms returned []
[2026-05-24 08:34:52] [INFO ] Flow matrix only has 396 transitions (discarded 113 similar events)
[2026-05-24 08:34:52] [INFO ] Invariant cache hit.
[2026-05-24 08:34:53] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 08:34:53] [INFO ] Implicit Places using invariants and state equation in 116 ms returned []
Implicit Place search using SMT with State Equation took 174 ms to find 0 implicit places.
Running 508 sub problems to find dead transitions.
[2026-05-24 08:34:53] [INFO ] Flow matrix only has 396 transitions (discarded 113 similar events)
[2026-05-24 08:34:53] [INFO ] Invariant cache hit.
[2026-05-24 08:34:53] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/270 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 1 (OVERLAPS) 1/271 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/271 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 3 (OVERLAPS) 2/273 variables, 2/52 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/273 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 5 (OVERLAPS) 395/668 variables, 273/325 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/668 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 7 (OVERLAPS) 1/669 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 508 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 669/669 variables, and 326 constraints, problems are : Problem set: 0 solved, 508 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 52/52 constraints, State Equation: 273/273 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 508/508 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 508 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/270 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 1 (OVERLAPS) 1/271 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/271 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 3 (OVERLAPS) 2/273 variables, 2/52 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/273 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 5 (OVERLAPS) 395/668 variables, 273/325 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/668 variables, 508/833 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/668 variables, 0/833 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 8 (OVERLAPS) 1/669 variables, 1/834 constraints. Problems are: Problem set: 0 solved, 508 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 669/669 variables, and 834 constraints, problems are : Problem set: 0 solved, 508 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 52/52 constraints, State Equation: 273/273 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 508/508 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60066ms problems are : Problem set: 0 solved, 508 unsolved
Search for dead transitions found 0 dead transitions in 60067ms
Starting structural reductions in LTL mode, iteration 1 : 273/313 places, 509/531 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60248 ms. Remains : 273/313 places, 509/531 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(!p0) U p1)))'
Stuttering acceptance computed with spot in 125 ms :[(NOT p1), (NOT p1), true, p0]
Running random walk in product with property : DLCflexbar-PT-4a-LTLFireability-15
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA DLCflexbar-PT-4a-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCflexbar-PT-4a-LTLFireability-15 finished in 60403 ms.
All properties solved by simple procedures.
Total runtime 525822 ms.
BK_STOP 1779611753359
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="DLCflexbar-PT-4a"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool itstools"
echo " Input is DLCflexbar-PT-4a, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r098-tall-177955695600428"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DLCflexbar-PT-4a.tgz
mv DLCflexbar-PT-4a execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
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 ;
