About the Execution of ITS-Tools for Philosophers-PT-000500
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.r210-smll-177969942000157.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)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is Philosophers-PT-000500, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r210-smll-177969942000157
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 15M
-rw-r--r-- 1 mcc users 567K Mar 5 10:37 CTLCardinality.txt
-rw-r--r-- 1 mcc users 3.0M Mar 5 10:37 CTLCardinality.xml
-rw-r--r-- 1 mcc users 250K Mar 5 10:36 CTLFireability.txt
-rw-r--r-- 1 mcc users 1.6M Mar 5 10:36 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 249K Mar 16 08:37 LTLCardinality.txt
-rw-r--r-- 1 mcc users 926K Mar 16 08:37 LTLCardinality.xml
-rw-r--r-- 1 mcc users 127K Mar 16 08:37 LTLFireability.txt
-rw-r--r-- 1 mcc users 597K Mar 16 08:37 LTLFireability.xml
-rw-r--r-- 1 mcc users 421K Mar 5 10:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 2.3M Mar 5 10:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 493K Mar 5 10:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 3.0M Mar 5 10:38 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 45K Mar 16 08:37 UpperBounds.txt
-rw-r--r-- 1 mcc users 129K Mar 16 08:37 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.1M 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 positive values
NUM_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME Philosophers-PT-000500-UpperBounds-00
FORMULA_NAME Philosophers-PT-000500-UpperBounds-01
FORMULA_NAME Philosophers-PT-000500-UpperBounds-02
FORMULA_NAME Philosophers-PT-000500-UpperBounds-03
FORMULA_NAME Philosophers-PT-000500-UpperBounds-04
FORMULA_NAME Philosophers-PT-000500-UpperBounds-05
FORMULA_NAME Philosophers-PT-000500-UpperBounds-06
FORMULA_NAME Philosophers-PT-000500-UpperBounds-07
FORMULA_NAME Philosophers-PT-000500-UpperBounds-08
FORMULA_NAME Philosophers-PT-000500-UpperBounds-09
FORMULA_NAME Philosophers-PT-000500-UpperBounds-10
FORMULA_NAME Philosophers-PT-000500-UpperBounds-11
FORMULA_NAME Philosophers-PT-000500-UpperBounds-12
FORMULA_NAME Philosophers-PT-000500-UpperBounds-13
FORMULA_NAME Philosophers-PT-000500-UpperBounds-14
FORMULA_NAME Philosophers-PT-000500-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779890076611
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Philosophers-PT-000500
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-27 13:54:39] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-27 13:54:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 13:54:39] [INFO ] Load time of PNML (sax parser for PT used): 517 ms
[2026-05-27 13:54:39] [INFO ] Transformed 2500 places.
[2026-05-27 13:54:39] [INFO ] Transformed 2500 transitions.
[2026-05-27 13:54:39] [INFO ] Found NUPN structural information;
[2026-05-27 13:54:39] [INFO ] Parsed PT model containing 2500 places and 2500 transitions and 8000 arcs in 783 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 55 ms.
Reduction of identical properties reduced properties to check from 16 to 12
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 0, 500, 0, 0, 1, 1, 0, 1, 0, 0, 1] Max Struct:[500, 500, 500, 500, 1, 1, 1, 1, 1, 1, 1, 1]
FORMULA Philosophers-PT-000500-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-PT-000500-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-PT-000500-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-PT-000500-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-PT-000500-UpperBounds-03 500 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[500, 500, 500, 1, 1, 1, 1]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2021480499953783671.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1973872401307529711.kers'
[2026-05-27 13:54:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2021480499953783671.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1973872401307529711.kers]
Culled 0 columns in 3 ms.
// Phase 1: matrix 2500 rows 2500 cols 8000 entries
Finished phase 1 with 1500 SingleSign rule and 0 generalized
[2026-05-27 13:54:40] [INFO ] Computed 1000 invariants in 13 ms
Computed 1000 P flows in 15 ms.
Exported basis to /tmp/petrispot-output-1973872401307529711.kers
Total runtime 18 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[500, 500, 500, 1, 1, 1, 1]
RANDOM walk for 10000 steps (2 resets) in 1296 ms. (7 steps per ms)
FORMULA Philosophers-PT-000500-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Philosophers-PT-000500-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Philosophers-PT-000500-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Philosophers-PT-000500-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 30003 steps (6 resets) in 975 ms. (30 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[81, 255, 247] Max Struct:[500, 500, 500]
[2026-05-27 13:54:42] [INFO ] Invariant cache hit.
[2026-05-27 13:54:44] [INFO ] [Real]Absence check using 1000 positive place invariants in 412 ms returned sat
[2026-05-27 13:54:45] [INFO ] [Real]Absence check using state equation in 1813 ms returned sat
[2026-05-27 13:54:46] [INFO ] Computed and/alt/rep : 1500/2000/1500 causal constraints (skipped 0 transitions) in 268 ms.
[2026-05-27 13:54:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 13:54:50] [INFO ] [Real]Absence check using 1000 positive place invariants in 506 ms returned sat
[2026-05-27 13:54:52] [INFO ] [Real]Absence check using state equation in 1909 ms returned sat
[2026-05-27 13:54:52] [INFO ] Computed and/alt/rep : 1500/2000/1500 causal constraints (skipped 0 transitions) in 272 ms.
[2026-05-27 13:54:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 13:54:56] [INFO ] [Real]Absence check using 1000 positive place invariants in 491 ms returned sat
[2026-05-27 13:54:58] [INFO ] [Real]Absence check using state equation in 1560 ms returned sat
[2026-05-27 13:54:58] [INFO ] Computed and/alt/rep : 1500/2000/1500 causal constraints (skipped 0 transitions) in 156 ms.
[2026-05-27 13:55:00] [INFO ] Solution in real domain found non-integer solution.
Current structural bounds on expressions (after SMT) : Max Seen:[81, 255, 247] Max Struct:[500, 500, 500]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[81, 255, 247] Max Struct:[500, 500, 500]
Support contains 1500 out of 2500 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Applied a total of 0 rules in 220 ms. Remains 2500 /2500 variables (removed 0) and now considering 2500/2500 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 233 ms. Remains : 2500/2500 places, 2500/2500 transitions.
[2026-05-27 13:55:01] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[81, 255, 247] Max Struct:[500, 500, 500]
RANDOM walk for 413855 steps (1 resets) in 30001 ms. (13 steps per ms)
FORMULA Philosophers-PT-000500-UpperBounds-01 500 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 296313 steps (0 resets) in 10031 ms. (29 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[84, 297] Max Struct:[500, 500]
[2026-05-27 13:55:42] [INFO ] Invariant cache hit.
[2026-05-27 13:55:43] [INFO ] [Real]Absence check using 1000 positive place invariants in 567 ms returned sat
[2026-05-27 13:55:44] [INFO ] [Real]Absence check using state equation in 1490 ms returned sat
[2026-05-27 13:55:45] [INFO ] Computed and/alt/rep : 1500/2000/1500 causal constraints (skipped 0 transitions) in 169 ms.
[2026-05-27 13:55:49] [INFO ] Added : 85 causal constraints over 17 iterations in 4187 ms. Result :sat
Minimization took 1303 ms.
[2026-05-27 13:55:50] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 13:55:52] [INFO ] [Nat]Absence check using 1000 positive place invariants in 520 ms returned sat
[2026-05-27 13:55:54] [INFO ] [Nat]Absence check using state equation in 1562 ms returned sat
[2026-05-27 13:55:54] [INFO ] Computed and/alt/rep : 1500/2000/1500 causal constraints (skipped 0 transitions) in 245 ms.
[2026-05-27 13:55:59] [INFO ] Added : 85 causal constraints over 17 iterations in 5199 ms. Result :sat
Minimization took 1814 ms.
[2026-05-27 13:56:03] [INFO ] [Real]Absence check using 1000 positive place invariants in 381 ms returned sat
[2026-05-27 13:56:04] [INFO ] [Real]Absence check using state equation in 1677 ms returned sat
[2026-05-27 13:56:05] [INFO ] Computed and/alt/rep : 1500/2000/1500 causal constraints (skipped 0 transitions) in 216 ms.
[2026-05-27 13:56:07] [INFO ] Added : 29 causal constraints over 6 iterations in 2262 ms. Result :sat
Minimization took 39408 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[84, 297] Max Struct:[500, 500]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[194, 297] Max Struct:[500, 500]
Support contains 1000 out of 2500 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Free-agglomeration rule (complex) applied 500 times.
Iterating global reduction 0 with 500 rules applied. Total rules applied 500 place count 2500 transition count 2000
Reduce places removed 500 places and 0 transitions.
Iterating post reduction 0 with 500 rules applied. Total rules applied 1000 place count 2000 transition count 2000
Applied a total of 1000 rules in 340 ms. Remains 2000 /2500 variables (removed 500) and now considering 2000/2500 (removed 500) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 340 ms. Remains : 2000/2500 places, 2000/2500 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16578878101305405170.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7040739956127808488.kers'
[2026-05-27 13:57:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16578878101305405170.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7040739956127808488.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 2000 rows 2000 cols 7000 entries
Finished phase 1 with 1000 SingleSign rule and 0 generalized
[2026-05-27 13:57:02] [INFO ] Computed 1000 invariants in 12 ms
Computed 1000 P flows in 13 ms.
Exported basis to /tmp/petrispot-output-7040739956127808488.kers
Total runtime 15 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[194, 297] Max Struct:[500, 500]
RANDOM walk for 322362 steps (146 resets) in 30001 ms. (10 steps per ms)
FORMULA Philosophers-PT-000500-UpperBounds-07 500 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Philosophers-PT-000500-UpperBounds-06 500 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 125051 steps (0 resets) in 5012 ms. (24 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[194] Max Struct:[500]
[2026-05-27 13:57:37] [INFO ] Invariant cache hit.
[2026-05-27 13:57:39] [INFO ] [Real]Absence check using 1000 positive place invariants in 412 ms returned sat
[2026-05-27 13:57:40] [INFO ] [Real]Absence check using state equation in 1311 ms returned sat
[2026-05-27 13:57:40] [INFO ] Computed and/alt/rep : 1000/1500/1000 causal constraints (skipped 0 transitions) in 192 ms.
[2026-05-27 13:57:45] [INFO ] Added : 99 causal constraints over 20 iterations in 5053 ms. Result :sat
Minimization took 1458 ms.
[2026-05-27 13:57:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-27 13:57:49] [INFO ] [Nat]Absence check using 1000 positive place invariants in 390 ms returned sat
[2026-05-27 13:57:51] [INFO ] [Nat]Absence check using state equation in 1289 ms returned sat
[2026-05-27 13:57:51] [INFO ] Computed and/alt/rep : 1000/1500/1000 causal constraints (skipped 0 transitions) in 131 ms.
[2026-05-27 13:57:54] [INFO ] Added : 95 causal constraints over 19 iterations in 3539 ms. Result :sat
Minimization took 1149 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[194] Max Struct:[500]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[244] Max Struct:[500]
Support contains 500 out of 2000 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2000/2000 places, 2000/2000 transitions.
Free-agglomeration rule (complex) applied 500 times.
Iterating global reduction 0 with 500 rules applied. Total rules applied 500 place count 2000 transition count 1500
Reduce places removed 500 places and 0 transitions.
Ensure Unique test removed 500 transitions
Reduce isomorphic transitions removed 500 transitions.
Iterating post reduction 0 with 1000 rules applied. Total rules applied 1500 place count 1500 transition count 1000
Applied a total of 1500 rules in 314 ms. Remains 1500 /2000 variables (removed 500) and now considering 1000/2000 (removed 1000) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 314 ms. Remains : 1500/2000 places, 1000/2000 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14301095440674839354.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18223271246465342424.kers'
[2026-05-27 13:58:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14301095440674839354.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18223271246465342424.kers]
Culling duplicate invariants (modulo rational): removing 500 columns.
Culled 500 columns in 7 ms.
// Phase 1: matrix 1000 rows 1000 cols 3000 entries
Finished phase 1 with 0 SingleSign rule and 500 generalized
[2026-05-27 13:58:01] [INFO ] Computed 1000 invariants in 26 ms
Computed 1000 P flows in 29 ms.
Exported basis to /tmp/petrispot-output-18223271246465342424.kers
Total runtime 30 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[244] Max Struct:[500]
RANDOM walk for 410862 steps (1 resets) in 30001 ms. (13 steps per ms)
BEST_FIRST walk for 137446 steps (0 resets) in 5006 ms. (27 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[244] Max Struct:[500]
[2026-05-27 13:58:36] [INFO ] Invariant cache hit.
[2026-05-27 13:58:36] [INFO ] [Real]Absence check using 500 positive place invariants in 207 ms returned sat
[2026-05-27 13:58:37] [INFO ] [Real]Absence check using 500 positive and 500 generalized place invariants in 621 ms returned sat
[2026-05-27 13:58:38] [INFO ] [Real]Absence check using state equation in 901 ms returned sat
[2026-05-27 13:58:38] [INFO ] Computed and/alt/rep : 500/500/500 causal constraints (skipped 0 transitions) in 61 ms.
[2026-05-27 13:58:38] [INFO ] Added : 0 causal constraints over 0 iterations in 186 ms. Result :sat
Minimization took 1135 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[244] Max Struct:[500]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[250] Max Struct:[500]
Support contains 500 out of 1500 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1500/1500 places, 1000/1000 transitions.
Applied a total of 0 rules in 43 ms. Remains 1500 /1500 variables (removed 0) and now considering 1000/1000 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43 ms. Remains : 1500/1500 places, 1000/1000 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1500/1500 places, 1000/1000 transitions.
Applied a total of 0 rules in 38 ms. Remains 1500 /1500 variables (removed 0) and now considering 1000/1000 (removed 0) transitions.
[2026-05-27 13:58:41] [INFO ] Invariant cache hit.
[2026-05-27 13:58:43] [INFO ] Implicit Places using invariants in 2055 ms returned [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299, 300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, 315, 316, 317, 318, 319, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 342, 343, 344, 345, 346, 347, 348, 349, 350, 351, 352, 353, 354, 355, 356, 357, 358, 359, 360, 361, 362, 363, 364, 365, 366, 367, 368, 369, 370, 371, 372, 373, 374, 375, 376, 377, 378, 379, 380, 381, 382, 383, 384, 385, 386, 387, 388, 389, 390, 391, 392, 393, 394, 395, 396, 397, 398, 399, 400, 401, 402, 403, 404, 405, 406, 407, 408, 409, 410, 411, 412, 413, 414, 415, 416, 417, 418, 419, 420, 421, 422, 423, 424, 425, 426, 427, 428, 429, 430, 431, 432, 433, 434, 435, 436, 437, 438, 439, 440, 441, 442, 443, 444, 445, 446, 447, 448, 449, 450, 451, 452, 453, 454, 455, 456, 457, 458, 459, 460, 461, 462, 463, 464, 465, 466, 467, 468, 469, 470, 471, 472, 473, 474, 475, 476, 485, 486, 487, 489, 490, 491, 492, 493, 494, 495, 496, 497, 498, 499, 500, 501, 502, 503, 504, 505, 506, 507, 508]
Discarding 500 places :
Implicit Place search using SMT only with invariants took 2067 ms to find 500 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 1000/1500 places, 1000/1000 transitions.
Applied a total of 0 rules in 24 ms. Remains 1000 /1000 variables (removed 0) and now considering 1000/1000 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 2133 ms. Remains : 1000/1500 places, 1000/1000 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3981815839529056094.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2190502230110682516.kers'
[2026-05-27 13:58:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3981815839529056094.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2190502230110682516.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1000 rows 1000 cols 3000 entries
Finished phase 1 with 500 SingleSign rule and 0 generalized
[2026-05-27 13:58:43] [INFO ] Computed 500 invariants in 4 ms
Computed 500 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-2190502230110682516.kers
Total runtime 5 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[250] Max Struct:[500]
RANDOM walk for 535394 steps (1 resets) in 30001 ms. (17 steps per ms)
BEST_FIRST walk for 177847 steps (0 resets) in 5004 ms. (35 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[250] Max Struct:[500]
[2026-05-27 13:59:18] [INFO ] Invariant cache hit.
[2026-05-27 13:59:19] [INFO ] [Real]Absence check using 500 positive place invariants in 758 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[250] Max Struct:[250]
FORMULA Philosophers-PT-000500-UpperBounds-02 250 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Philosophers-PT-000500-UpperBounds-04 250 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Philosophers-PT-000500-UpperBounds-05 250 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Philosophers-PT-000500-UpperBounds-00 250 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 280659 ms.
BK_STOP 1779890359802
--------------------
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
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -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 UpperBounds -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="Philosophers-PT-000500"
export BK_EXAMINATION="UpperBounds"
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 Philosophers-PT-000500, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r210-smll-177969942000157"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/Philosophers-PT-000500.tgz
mv Philosophers-PT-000500 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.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 [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;