Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r198-tall-174894532000044.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is ServersAndClients-PT-200040, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r198-tall-174894532000044
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 5.5M
-rw-r--r-- 1 mcc users 7.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.3K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 107K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 110K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 7 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 5.1M May 29 14:32 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME ServersAndClients-PT-200040-LTLFireability-00
FORMULA_NAME ServersAndClients-PT-200040-LTLFireability-01
FORMULA_NAME ServersAndClients-PT-200040-LTLFireability-02
FORMULA_NAME ServersAndClients-PT-200040-LTLFireability-03
FORMULA_NAME ServersAndClients-PT-200040-LTLFireability-04
FORMULA_NAME ServersAndClients-PT-200040-LTLFireability-05
FORMULA_NAME ServersAndClients-PT-200040-LTLFireability-06
FORMULA_NAME ServersAndClients-PT-200040-LTLFireability-07
FORMULA_NAME ServersAndClients-PT-200040-LTLFireability-08
FORMULA_NAME ServersAndClients-PT-200040-LTLFireability-09
FORMULA_NAME ServersAndClients-PT-200040-LTLFireability-10
FORMULA_NAME ServersAndClients-PT-200040-LTLFireability-11
FORMULA_NAME ServersAndClients-PT-200040-LTLFireability-12
FORMULA_NAME ServersAndClients-PT-200040-LTLFireability-13
FORMULA_NAME ServersAndClients-PT-200040-LTLFireability-14
FORMULA_NAME ServersAndClients-PT-200040-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748960784252

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ServersAndClients-PT-200040
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-03 14:26:25] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-03 14:26:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 14:26:26] [INFO ] Load time of PNML (sax parser for PT used): 446 ms
[2025-06-03 14:26:26] [INFO ] Transformed 8841 places.
[2025-06-03 14:26:26] [INFO ] Transformed 16400 transitions.
[2025-06-03 14:26:26] [INFO ] Found NUPN structural information;
[2025-06-03 14:26:26] [INFO ] Parsed PT model containing 8841 places and 16400 transitions and 49600 arcs in 609 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 15 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA ServersAndClients-PT-200040-LTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ServersAndClients-PT-200040-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 43 out of 8841 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8841/8841 places, 16400/16400 transitions.
Applied a total of 0 rules in 1805 ms. Remains 8841 /8841 variables (removed 0) and now considering 16400/16400 (removed 0) transitions.
// Phase 1: matrix 16400 rows 8841 cols
[2025-06-03 14:26:28] [INFO ] Computed 441 invariants in 399 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:02] [INFO ] Performed 801/8841 implicitness test of which 401 returned IMPLICIT in 30 seconds.
[2025-06-03 14:27:26] [INFO ] Implicit Places using invariants in 58198 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, 801, 1002, 1203, 1806, 2007, 2208, 2409, 2811, 3012, 3213, 3414, 3615, 4017, 4218, 4419, 4620, 4821, 5022, 5424, 5625, 5826, 6027, 6429, 6831, 7233, 7635, 7836, 8037, 8439, 8640]
Discarding 430 places :
Implicit Place search using SMT only with invariants took 58279 ms to find 430 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 8411/8841 places, 16400/16400 transitions.
Discarding 5984 places :
Symmetric choice reduction at 0 with 5984 rule applications. Total rules 5984 place count 2427 transition count 10416
Iterating global reduction 0 with 5984 rules applied. Total rules applied 11968 place count 2427 transition count 10416
Ensure Unique test removed 5785 transitions
Reduce isomorphic transitions removed 5785 transitions.
Iterating post reduction 0 with 5785 rules applied. Total rules applied 17753 place count 2427 transition count 4631
Discarding 2182 places :
Symmetric choice reduction at 1 with 2182 rule applications. Total rules 19935 place count 245 transition count 2449
Iterating global reduction 1 with 2182 rules applied. Total rules applied 22117 place count 245 transition count 2449
Discarding 169 places :
Symmetric choice reduction at 1 with 169 rule applications. Total rules 22286 place count 76 transition count 590
Iterating global reduction 1 with 169 rules applied. Total rules applied 22455 place count 76 transition count 590
Ensure Unique test removed 169 transitions
Reduce isomorphic transitions removed 169 transitions.
Iterating post reduction 1 with 169 rules applied. Total rules applied 22624 place count 76 transition count 421
Applied a total of 22624 rules in 777 ms. Remains 76 /8411 variables (removed 8335) and now considering 421/16400 (removed 15979) transitions.
// Phase 1: matrix 421 rows 76 cols
[2025-06-03 14:27:27] [INFO ] Computed 11 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:27] [INFO ] Implicit Places using invariants in 34 ms returned []
[2025-06-03 14:27:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:27] [INFO ] Implicit Places using invariants and state equation in 88 ms returned []
Implicit Place search using SMT with State Equation took 124 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 76/8841 places, 421/16400 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 61004 ms. Remains : 76/8841 places, 421/16400 transitions.
Support contains 43 out of 76 places after structural reductions.
[2025-06-03 14:27:27] [INFO ] Flatten gal took : 56 ms
[2025-06-03 14:27:27] [INFO ] Flatten gal took : 25 ms
[2025-06-03 14:27:27] [INFO ] Input system was already deterministic with 421 transitions.
Support contains 42 out of 76 places (down from 43) after GAL structural reductions.
RANDOM walk for 19256 steps (4 resets) in 1259 ms. (15 steps per ms) remains 0/30 properties
FORMULA ServersAndClients-PT-200040-LTLFireability-15 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((p0||X(p1)))))'
Support contains 5 out of 76 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 76/76 places, 421/421 transitions.
Discarding 29 places :
Symmetric choice reduction at 0 with 29 rule applications. Total rules 29 place count 47 transition count 312
Iterating global reduction 0 with 29 rules applied. Total rules applied 58 place count 47 transition count 312
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 0 with 22 rules applied. Total rules applied 80 place count 47 transition count 290
Discarding 19 places :
Symmetric choice reduction at 1 with 19 rule applications. Total rules 99 place count 28 transition count 81
Iterating global reduction 1 with 19 rules applied. Total rules applied 118 place count 28 transition count 81
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 1 with 19 rules applied. Total rules applied 137 place count 28 transition count 62
Applied a total of 137 rules in 4 ms. Remains 28 /76 variables (removed 48) and now considering 62/421 (removed 359) transitions.
// Phase 1: matrix 62 rows 28 cols
[2025-06-03 14:27:28] [INFO ] Computed 11 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:28] [INFO ] Implicit Places using invariants in 41 ms returned [9, 13, 15, 18, 20, 22, 24, 26]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 42 ms to find 8 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/76 places, 62/421 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 12 transition count 54
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 12 transition count 54
Ensure Unique test removed 32 transitions
Reduce isomorphic transitions removed 32 transitions.
Iterating post reduction 0 with 32 rules applied. Total rules applied 48 place count 12 transition count 22
Applied a total of 48 rules in 1 ms. Remains 12 /20 variables (removed 8) and now considering 22/62 (removed 40) transitions.
// Phase 1: matrix 22 rows 12 cols
[2025-06-03 14:27:28] [INFO ] Computed 3 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:28] [INFO ] Implicit Places using invariants in 22 ms returned []
[2025-06-03 14:27:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:28] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 12/76 places, 22/421 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 100 ms. Remains : 12/76 places, 22/421 transitions.
Stuttering acceptance computed with spot in 273 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : ServersAndClients-PT-200040-LTLFireability-00
Entered a terminal (fully accepting) state of product in 5 steps with 0 reset in 2 ms.
FORMULA ServersAndClients-PT-200040-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-200040-LTLFireability-00 finished in 440 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(((p0 U p1)&&F(G((p2||X((X(X(p3)) U (p2&&X(X(p3)))))))))))'
Support contains 4 out of 76 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 76/76 places, 421/421 transitions.
Discarding 29 places :
Symmetric choice reduction at 0 with 29 rule applications. Total rules 29 place count 47 transition count 302
Iterating global reduction 0 with 29 rules applied. Total rules applied 58 place count 47 transition count 302
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Iterating post reduction 0 with 23 rules applied. Total rules applied 81 place count 47 transition count 279
Discarding 17 places :
Symmetric choice reduction at 1 with 17 rule applications. Total rules 98 place count 30 transition count 92
Iterating global reduction 1 with 17 rules applied. Total rules applied 115 place count 30 transition count 92
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 1 with 17 rules applied. Total rules applied 132 place count 30 transition count 75
Applied a total of 132 rules in 7 ms. Remains 30 /76 variables (removed 46) and now considering 75/421 (removed 346) transitions.
// Phase 1: matrix 75 rows 30 cols
[2025-06-03 14:27:29] [INFO ] Computed 11 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:29] [INFO ] Implicit Places using invariants in 42 ms returned [8, 10, 12, 14, 16, 18, 23, 27]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 44 ms to find 8 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 22/76 places, 75/421 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 14 transition count 67
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 14 transition count 67
Ensure Unique test removed 39 transitions
Reduce isomorphic transitions removed 39 transitions.
Iterating post reduction 0 with 39 rules applied. Total rules applied 55 place count 14 transition count 28
Applied a total of 55 rules in 1 ms. Remains 14 /22 variables (removed 8) and now considering 28/75 (removed 47) transitions.
// Phase 1: matrix 28 rows 14 cols
[2025-06-03 14:27:29] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:29] [INFO ] Implicit Places using invariants in 20 ms returned []
[2025-06-03 14:27:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:29] [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.
Starting structural reductions in LTL mode, iteration 2 : 14/76 places, 28/421 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 101 ms. Remains : 14/76 places, 28/421 transitions.
Stuttering acceptance computed with spot in 270 ms :[(OR (NOT p2) (NOT p1)), (NOT p2), (NOT p1), (NOT p2), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3))]
Running random walk in product with property : ServersAndClients-PT-200040-LTLFireability-01
Product exploration explored 100000 steps with 423 reset in 227 ms.
Stack based approach found an accepted trace after 6 steps with 0 reset with depth 7 and stack size 7 in 0 ms.
FORMULA ServersAndClients-PT-200040-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property ServersAndClients-PT-200040-LTLFireability-01 finished in 629 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 76/76 places, 421/421 transitions.
Graph (trivial) has 94 edges and 76 vertex of which 49 / 76 are part of one of the 1 SCC in 2 ms
Free SCC test removed 48 places
Ensure Unique test removed 386 transitions
Reduce isomorphic transitions removed 386 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 28 transition count 19
Reduce places removed 25 places and 0 transitions.
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 1 with 40 rules applied. Total rules applied 57 place count 3 transition count 4
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 58 place count 3 transition count 3
Applied a total of 58 rules in 14 ms. Remains 3 /76 variables (removed 73) and now considering 3/421 (removed 418) transitions.
// Phase 1: matrix 3 rows 3 cols
[2025-06-03 14:27:29] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:29] [INFO ] Implicit Places using invariants in 17 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 18 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 2/76 places, 3/421 transitions.
Applied a total of 0 rules in 1 ms. Remains 2 /2 variables (removed 0) and now considering 3/3 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 33 ms. Remains : 2/76 places, 3/421 transitions.
Stuttering acceptance computed with spot in 84 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ServersAndClients-PT-200040-LTLFireability-02
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA ServersAndClients-PT-200040-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-200040-LTLFireability-02 finished in 130 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((X(X(G(p0))) U (p1 U X(G(!p1)))) U X(p0)))'
Support contains 2 out of 76 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 76/76 places, 421/421 transitions.
Discarding 30 places :
Symmetric choice reduction at 0 with 30 rule applications. Total rules 30 place count 46 transition count 291
Iterating global reduction 0 with 30 rules applied. Total rules applied 60 place count 46 transition count 291
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Iterating post reduction 0 with 23 rules applied. Total rules applied 83 place count 46 transition count 268
Discarding 18 places :
Symmetric choice reduction at 1 with 18 rule applications. Total rules 101 place count 28 transition count 70
Iterating global reduction 1 with 18 rules applied. Total rules applied 119 place count 28 transition count 70
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 1 with 18 rules applied. Total rules applied 137 place count 28 transition count 52
Applied a total of 137 rules in 7 ms. Remains 28 /76 variables (removed 48) and now considering 52/421 (removed 369) transitions.
// Phase 1: matrix 52 rows 28 cols
[2025-06-03 14:27:29] [INFO ] Computed 11 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:29] [INFO ] Implicit Places using invariants in 43 ms returned [6, 8, 11, 13, 16, 18, 20, 22, 24, 26]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 44 ms to find 10 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/76 places, 52/421 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 8 transition count 42
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 8 transition count 42
Ensure Unique test removed 30 transitions
Reduce isomorphic transitions removed 30 transitions.
Iterating post reduction 0 with 30 rules applied. Total rules applied 50 place count 8 transition count 12
Applied a total of 50 rules in 1 ms. Remains 8 /18 variables (removed 10) and now considering 12/52 (removed 40) transitions.
// Phase 1: matrix 12 rows 8 cols
[2025-06-03 14:27:29] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:29] [INFO ] Implicit Places using invariants in 17 ms returned []
[2025-06-03 14:27:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:29] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 8/76 places, 12/421 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 97 ms. Remains : 8/76 places, 12/421 transitions.
Stuttering acceptance computed with spot in 514 ms :[(NOT p0), (AND p1 (NOT p0)), (NOT p0), (AND p1 (NOT p0)), (NOT p0), (AND p1 (NOT p0)), true, (AND p1 (NOT p0)), p1, (AND p1 (NOT p0)), (AND p1 (NOT p0)), p1, p1]
Running random walk in product with property : ServersAndClients-PT-200040-LTLFireability-03
Entered a terminal (fully accepting) state of product in 23 steps with 0 reset in 0 ms.
FORMULA ServersAndClients-PT-200040-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-200040-LTLFireability-03 finished in 641 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((p0||G(p1)))))'
Support contains 2 out of 76 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 76/76 places, 421/421 transitions.
Graph (trivial) has 94 edges and 76 vertex of which 49 / 76 are part of one of the 1 SCC in 1 ms
Free SCC test removed 48 places
Ensure Unique test removed 386 transitions
Reduce isomorphic transitions removed 386 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 15 transitions
Trivial Post-agglo rules discarded 15 transitions
Performed 15 trivial Post agglomeration. Transition count delta: 15
Iterating post reduction 0 with 15 rules applied. Total rules applied 16 place count 28 transition count 20
Reduce places removed 23 places and 0 transitions.
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 1 with 36 rules applied. Total rules applied 52 place count 5 transition count 7
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 54 place count 5 transition count 5
Applied a total of 54 rules in 7 ms. Remains 5 /76 variables (removed 71) and now considering 5/421 (removed 416) transitions.
// Phase 1: matrix 5 rows 5 cols
[2025-06-03 14:27:30] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:30] [INFO ] Implicit Places using invariants in 27 ms returned [0, 2]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 29 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 3/76 places, 5/421 transitions.
Applied a total of 0 rules in 1 ms. Remains 3 /3 variables (removed 0) and now considering 5/5 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 37 ms. Remains : 3/76 places, 5/421 transitions.
Stuttering acceptance computed with spot in 77 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : ServersAndClients-PT-200040-LTLFireability-05
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA ServersAndClients-PT-200040-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-200040-LTLFireability-05 finished in 130 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0&&X(G((p0||G(p1))))) U X(X(p0))))'
Support contains 2 out of 76 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 76/76 places, 421/421 transitions.
Discarding 30 places :
Symmetric choice reduction at 0 with 30 rule applications. Total rules 30 place count 46 transition count 291
Iterating global reduction 0 with 30 rules applied. Total rules applied 60 place count 46 transition count 291
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Iterating post reduction 0 with 23 rules applied. Total rules applied 83 place count 46 transition count 268
Discarding 18 places :
Symmetric choice reduction at 1 with 18 rule applications. Total rules 101 place count 28 transition count 70
Iterating global reduction 1 with 18 rules applied. Total rules applied 119 place count 28 transition count 70
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 1 with 18 rules applied. Total rules applied 137 place count 28 transition count 52
Applied a total of 137 rules in 5 ms. Remains 28 /76 variables (removed 48) and now considering 52/421 (removed 369) transitions.
// Phase 1: matrix 52 rows 28 cols
[2025-06-03 14:27:30] [INFO ] Computed 11 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:30] [INFO ] Implicit Places using invariants in 34 ms returned [7, 9, 11, 13, 15, 17, 19, 21, 23, 26]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 35 ms to find 10 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/76 places, 52/421 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 8 transition count 42
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 8 transition count 42
Ensure Unique test removed 30 transitions
Reduce isomorphic transitions removed 30 transitions.
Iterating post reduction 0 with 30 rules applied. Total rules applied 50 place count 8 transition count 12
Applied a total of 50 rules in 1 ms. Remains 8 /18 variables (removed 10) and now considering 12/52 (removed 40) transitions.
// Phase 1: matrix 12 rows 8 cols
[2025-06-03 14:27:30] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:30] [INFO ] Implicit Places using invariants in 15 ms returned []
[2025-06-03 14:27:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:30] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 8/76 places, 12/421 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 84 ms. Remains : 8/76 places, 12/421 transitions.
Stuttering acceptance computed with spot in 314 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true, (AND (NOT p1) (NOT p0)), (NOT p1), (NOT p0), (NOT p0)]
Running random walk in product with property : ServersAndClients-PT-200040-LTLFireability-07
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA ServersAndClients-PT-200040-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-200040-LTLFireability-07 finished in 417 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((G(p0)&&F((!p1 U (p2||G(!p1))))))))'
Support contains 4 out of 76 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 76/76 places, 421/421 transitions.
Discarding 29 places :
Symmetric choice reduction at 0 with 29 rule applications. Total rules 29 place count 47 transition count 302
Iterating global reduction 0 with 29 rules applied. Total rules applied 58 place count 47 transition count 302
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 0 with 22 rules applied. Total rules applied 80 place count 47 transition count 280
Discarding 18 places :
Symmetric choice reduction at 1 with 18 rule applications. Total rules 98 place count 29 transition count 82
Iterating global reduction 1 with 18 rules applied. Total rules applied 116 place count 29 transition count 82
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 1 with 18 rules applied. Total rules applied 134 place count 29 transition count 64
Applied a total of 134 rules in 5 ms. Remains 29 /76 variables (removed 47) and now considering 64/421 (removed 357) transitions.
// Phase 1: matrix 64 rows 29 cols
[2025-06-03 14:27:31] [INFO ] Computed 11 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:31] [INFO ] Implicit Places using invariants in 38 ms returned [7, 9, 11, 13, 16, 18, 20, 22, 24]
Discarding 9 places :
Implicit Place search using SMT only with invariants took 39 ms to find 9 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/76 places, 64/421 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 11 transition count 55
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 11 transition count 55
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 0 with 36 rules applied. Total rules applied 54 place count 11 transition count 19
Applied a total of 54 rules in 1 ms. Remains 11 /20 variables (removed 9) and now considering 19/64 (removed 45) transitions.
// Phase 1: matrix 19 rows 11 cols
[2025-06-03 14:27:31] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:31] [INFO ] Implicit Places using invariants in 18 ms returned []
[2025-06-03 14:27:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:31] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 11/76 places, 19/421 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 88 ms. Remains : 11/76 places, 19/421 transitions.
Stuttering acceptance computed with spot in 228 ms :[(OR (NOT p0) (AND p1 (NOT p2))), (OR (NOT p0) (AND p1 (NOT p2))), (OR (NOT p0) (AND p1 (NOT p2))), true, (NOT p0), (AND (NOT p2) p1)]
Running random walk in product with property : ServersAndClients-PT-200040-LTLFireability-08
Entered a terminal (fully accepting) state of product in 42 steps with 0 reset in 1 ms.
FORMULA ServersAndClients-PT-200040-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-200040-LTLFireability-08 finished in 336 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 76/76 places, 421/421 transitions.
Graph (trivial) has 92 edges and 76 vertex of which 48 / 76 are part of one of the 1 SCC in 1 ms
Free SCC test removed 47 places
Ensure Unique test removed 384 transitions
Reduce isomorphic transitions removed 384 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 17 transitions
Trivial Post-agglo rules discarded 17 transitions
Performed 17 trivial Post agglomeration. Transition count delta: 17
Iterating post reduction 0 with 17 rules applied. Total rules applied 18 place count 29 transition count 20
Reduce places removed 27 places and 0 transitions.
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 1 with 44 rules applied. Total rules applied 62 place count 2 transition count 3
Applied a total of 62 rules in 5 ms. Remains 2 /76 variables (removed 74) and now considering 3/421 (removed 418) transitions.
// Phase 1: matrix 3 rows 2 cols
[2025-06-03 14:27:31] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:31] [INFO ] Implicit Places using invariants in 20 ms returned []
[2025-06-03 14:27:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:31] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 40 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 14:27:31] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2025-06-03 14:27:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4/5 variables, and 3 constraints, problems are : Problem set: 0 solved, 1 unsolved in 53 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 4/5 variables, and 4 constraints, problems are : Problem set: 0 solved, 1 unsolved in 36 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 103ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 109ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2/76 places, 3/421 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 160 ms. Remains : 2/76 places, 3/421 transitions.
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
Running random walk in product with property : ServersAndClients-PT-200040-LTLFireability-09
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA ServersAndClients-PT-200040-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-200040-LTLFireability-09 finished in 205 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(X(X(X(F(p1)))))))'
Support contains 3 out of 76 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 76/76 places, 421/421 transitions.
Discarding 29 places :
Symmetric choice reduction at 0 with 29 rule applications. Total rules 29 place count 47 transition count 292
Iterating global reduction 0 with 29 rules applied. Total rules applied 58 place count 47 transition count 292
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Iterating post reduction 0 with 23 rules applied. Total rules applied 81 place count 47 transition count 269
Discarding 17 places :
Symmetric choice reduction at 1 with 17 rule applications. Total rules 98 place count 30 transition count 82
Iterating global reduction 1 with 17 rules applied. Total rules applied 115 place count 30 transition count 82
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 1 with 17 rules applied. Total rules applied 132 place count 30 transition count 65
Applied a total of 132 rules in 5 ms. Remains 30 /76 variables (removed 46) and now considering 65/421 (removed 356) transitions.
// Phase 1: matrix 65 rows 30 cols
[2025-06-03 14:27:31] [INFO ] Computed 11 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:31] [INFO ] Implicit Places using invariants in 40 ms returned [8, 10, 12, 14, 17, 19, 21, 23, 25, 27]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 42 ms to find 10 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/76 places, 65/421 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 10 transition count 55
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 10 transition count 55
Ensure Unique test removed 39 transitions
Reduce isomorphic transitions removed 39 transitions.
Iterating post reduction 0 with 39 rules applied. Total rules applied 59 place count 10 transition count 16
Applied a total of 59 rules in 0 ms. Remains 10 /20 variables (removed 10) and now considering 16/65 (removed 49) transitions.
// Phase 1: matrix 16 rows 10 cols
[2025-06-03 14:27:31] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:31] [INFO ] Implicit Places using invariants in 19 ms returned []
[2025-06-03 14:27:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:31] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 10/76 places, 16/421 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 92 ms. Remains : 10/76 places, 16/421 transitions.
Stuttering acceptance computed with spot in 267 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : ServersAndClients-PT-200040-LTLFireability-10
Product exploration explored 100000 steps with 20000 reset in 108 ms.
Product exploration explored 100000 steps with 20000 reset in 107 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 p1), (X p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 133 ms. Reduced automaton from 6 states, 7 edges and 2 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 193 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
RANDOM walk for 40 steps (0 resets) in 4 ms. (8 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND p0 p1), (X p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F (NOT p1))]
Knowledge based reduction with 2 factoid took 146 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 184 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 211 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Support contains 1 out of 10 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 10/10 places, 16/16 transitions.
Applied a total of 0 rules in 0 ms. Remains 10 /10 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2025-06-03 14:27:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:33] [INFO ] Implicit Places using invariants in 24 ms returned []
[2025-06-03 14:27:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:33] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
Running 12 sub problems to find dead transitions.
[2025-06-03 14:27:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 1/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 16/26 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/26 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 0/26 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 26/26 variables, and 11 constraints, problems are : Problem set: 0 solved, 12 unsolved in 149 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 1/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 16/26 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/26 variables, 12/23 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/26 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 0/26 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 26/26 variables, and 23 constraints, problems are : Problem set: 0 solved, 12 unsolved in 128 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 282ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 282ms
Finished structural reductions in LTL mode , in 1 iterations and 333 ms. Remains : 10/10 places, 16/16 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p1]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 70 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 196 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
RANDOM walk for 148 steps (0 resets) in 5 ms. (24 steps per ms) remains 0/1 properties
Knowledge obtained : [p1]
False Knowledge obtained : [(F (NOT p1))]
Knowledge based reduction with 1 factoid took 96 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 217 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 218 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 216 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 20000 reset in 47 ms.
Product exploration explored 100000 steps with 20000 reset in 61 ms.
Applying partial POR strategy [true, false, false, false, false]
Stuttering acceptance computed with spot in 203 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Support contains 1 out of 10 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 10/10 places, 16/16 transitions.
Graph (trivial) has 14 edges and 10 vertex of which 9 / 10 are part of one of the 1 SCC in 0 ms
Free SCC test removed 8 places
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Applied a total of 1 rules in 1 ms. Remains 2 /10 variables (removed 8) and now considering 3/16 (removed 13) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 14:27:34] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
// Phase 1: matrix 3 rows 2 cols
[2025-06-03 14:27:34] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4/5 variables, and 3 constraints, problems are : Problem set: 0 solved, 1 unsolved in 29 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 4/5 variables, and 4 constraints, problems are : Problem set: 0 solved, 1 unsolved in 31 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 63ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2/10 places, 3/16 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 70 ms. Remains : 2/10 places, 3/16 transitions.
Built C files in :
/tmp/ltsmin17451145001501394249
[2025-06-03 14:27:35] [INFO ] Built C files in 14ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17451145001501394249
Running compilation step : cd /tmp/ltsmin17451145001501394249;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 208 ms.
Running link step : cd /tmp/ltsmin17451145001501394249;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 52 ms.
Running LTSmin : cd /tmp/ltsmin17451145001501394249;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased15000991857432017246.hoa' '--buchi-type=spotba'
LTSmin run took 148 ms.
FORMULA ServersAndClients-PT-200040-LTLFireability-10 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property ServersAndClients-PT-200040-LTLFireability-10 finished in 3924 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((F(p1)||p0))))'
Support contains 3 out of 76 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 76/76 places, 421/421 transitions.
Discarding 29 places :
Symmetric choice reduction at 0 with 29 rule applications. Total rules 29 place count 47 transition count 292
Iterating global reduction 0 with 29 rules applied. Total rules applied 58 place count 47 transition count 292
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Iterating post reduction 0 with 23 rules applied. Total rules applied 81 place count 47 transition count 269
Discarding 17 places :
Symmetric choice reduction at 1 with 17 rule applications. Total rules 98 place count 30 transition count 82
Iterating global reduction 1 with 17 rules applied. Total rules applied 115 place count 30 transition count 82
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 1 with 17 rules applied. Total rules applied 132 place count 30 transition count 65
Applied a total of 132 rules in 6 ms. Remains 30 /76 variables (removed 46) and now considering 65/421 (removed 356) transitions.
// Phase 1: matrix 65 rows 30 cols
[2025-06-03 14:27:35] [INFO ] Computed 11 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:35] [INFO ] Implicit Places using invariants in 50 ms returned [8, 10, 12, 14, 17, 20, 22, 24, 26, 28]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 51 ms to find 10 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/76 places, 65/421 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 10 transition count 55
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 10 transition count 55
Ensure Unique test removed 39 transitions
Reduce isomorphic transitions removed 39 transitions.
Iterating post reduction 0 with 39 rules applied. Total rules applied 59 place count 10 transition count 16
Applied a total of 59 rules in 1 ms. Remains 10 /20 variables (removed 10) and now considering 16/65 (removed 49) transitions.
// Phase 1: matrix 16 rows 10 cols
[2025-06-03 14:27:35] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:35] [INFO ] Implicit Places using invariants in 21 ms returned []
[2025-06-03 14:27:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:35] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 10/76 places, 16/421 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 103 ms. Remains : 10/76 places, 16/421 transitions.
Stuttering acceptance computed with spot in 181 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : ServersAndClients-PT-200040-LTLFireability-11
Product exploration explored 100000 steps with 4417 reset in 48 ms.
Stack based approach found an accepted trace after 9 steps with 1 reset with depth 7 and stack size 7 in 0 ms.
FORMULA ServersAndClients-PT-200040-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property ServersAndClients-PT-200040-LTLFireability-11 finished in 349 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((!p0&&X((F(p1)||G(!p0)))))))'
Support contains 4 out of 76 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 76/76 places, 421/421 transitions.
Graph (trivial) has 90 edges and 76 vertex of which 47 / 76 are part of one of the 1 SCC in 0 ms
Free SCC test removed 46 places
Ensure Unique test removed 362 transitions
Reduce isomorphic transitions removed 362 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 30 transition count 53
Reduce places removed 6 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 15 place count 24 transition count 51
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 16 place count 23 transition count 50
Iterating global reduction 2 with 1 rules applied. Total rules applied 17 place count 23 transition count 50
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 18 place count 23 transition count 49
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 3 with 24 rules applied. Total rules applied 42 place count 7 transition count 41
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 28 transitions.
Iterating post reduction 3 with 28 rules applied. Total rules applied 70 place count 7 transition count 13
Applied a total of 70 rules in 9 ms. Remains 7 /76 variables (removed 69) and now considering 13/421 (removed 408) transitions.
// Phase 1: matrix 13 rows 7 cols
[2025-06-03 14:27:35] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:35] [INFO ] Implicit Places using invariants in 19 ms returned []
[2025-06-03 14:27:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:35] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 40 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 14:27:35] [INFO ] Redundant transitions in 0 ms returned []
Running 8 sub problems to find dead transitions.
[2025-06-03 14:27:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 1/7 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 12/19 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/19 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 0/19 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 19/20 variables, and 10 constraints, problems are : Problem set: 0 solved, 8 unsolved in 84 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 1/7 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 12/19 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/19 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/19 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 0/19 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 19/20 variables, and 18 constraints, problems are : Problem set: 0 solved, 8 unsolved in 70 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 158ms problems are : Problem set: 0 solved, 8 unsolved
Search for dead transitions found 0 dead transitions in 159ms
Starting structural reductions in SI_LTL mode, iteration 1 : 7/76 places, 13/421 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 213 ms. Remains : 7/76 places, 13/421 transitions.
Stuttering acceptance computed with spot in 154 ms :[p0, p0, (AND p0 (NOT p1)), (AND p0 (NOT p1))]
Running random walk in product with property : ServersAndClients-PT-200040-LTLFireability-12
Product exploration explored 100000 steps with 8999 reset in 182 ms.
Stack based approach found an accepted trace after 9 steps with 0 reset with depth 10 and stack size 5 in 0 ms.
FORMULA ServersAndClients-PT-200040-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property ServersAndClients-PT-200040-LTLFireability-12 finished in 568 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(((p0||G(p1))&&(F(p3)||p2))))'
Support contains 6 out of 76 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 76/76 places, 421/421 transitions.
Graph (trivial) has 88 edges and 76 vertex of which 46 / 76 are part of one of the 1 SCC in 0 ms
Free SCC test removed 45 places
Ensure Unique test removed 350 transitions
Reduce isomorphic transitions removed 350 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 31 transition count 65
Reduce places removed 6 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 15 place count 25 transition count 63
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 16 place count 24 transition count 62
Iterating global reduction 2 with 1 rules applied. Total rules applied 17 place count 24 transition count 62
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 18 place count 24 transition count 61
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 3 with 21 rules applied. Total rules applied 39 place count 10 transition count 54
Ensure Unique test removed 32 transitions
Reduce isomorphic transitions removed 32 transitions.
Iterating post reduction 3 with 32 rules applied. Total rules applied 71 place count 10 transition count 22
Applied a total of 71 rules in 11 ms. Remains 10 /76 variables (removed 66) and now considering 22/421 (removed 399) transitions.
// Phase 1: matrix 22 rows 10 cols
[2025-06-03 14:27:36] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:36] [INFO ] Implicit Places using invariants in 18 ms returned []
[2025-06-03 14:27:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:36] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 14:27:36] [INFO ] Redundant transitions in 0 ms returned []
Running 15 sub problems to find dead transitions.
[2025-06-03 14:27:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (OVERLAPS) 1/10 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (OVERLAPS) 21/31 variables, 10/14 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/31 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (OVERLAPS) 0/31 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Real declared 31/32 variables, and 14 constraints, problems are : Problem set: 0 solved, 15 unsolved in 134 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 10/10 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (OVERLAPS) 1/10 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (OVERLAPS) 21/31 variables, 10/14 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/31 variables, 15/29 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/31 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (OVERLAPS) 0/31 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Int declared 31/32 variables, and 29 constraints, problems are : Problem set: 0 solved, 15 unsolved in 154 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 10/10 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 293ms problems are : Problem set: 0 solved, 15 unsolved
Search for dead transitions found 0 dead transitions in 294ms
Starting structural reductions in SI_LTL mode, iteration 1 : 10/76 places, 22/421 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 357 ms. Remains : 10/76 places, 22/421 transitions.
Stuttering acceptance computed with spot in 205 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p2) (NOT p3))), (OR (AND (NOT p1) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p2) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p1) (NOT p2) (NOT p3)))]
Running random walk in product with property : ServersAndClients-PT-200040-LTLFireability-13
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA ServersAndClients-PT-200040-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-200040-LTLFireability-13 finished in 596 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F((p0&&X(F(p1))))||G(p0))))'
Support contains 2 out of 76 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 76/76 places, 421/421 transitions.
Discarding 30 places :
Symmetric choice reduction at 0 with 30 rule applications. Total rules 30 place count 46 transition count 291
Iterating global reduction 0 with 30 rules applied. Total rules applied 60 place count 46 transition count 291
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Iterating post reduction 0 with 23 rules applied. Total rules applied 83 place count 46 transition count 268
Discarding 18 places :
Symmetric choice reduction at 1 with 18 rule applications. Total rules 101 place count 28 transition count 70
Iterating global reduction 1 with 18 rules applied. Total rules applied 119 place count 28 transition count 70
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 1 with 18 rules applied. Total rules applied 137 place count 28 transition count 52
Applied a total of 137 rules in 4 ms. Remains 28 /76 variables (removed 48) and now considering 52/421 (removed 369) transitions.
// Phase 1: matrix 52 rows 28 cols
[2025-06-03 14:27:37] [INFO ] Computed 11 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:37] [INFO ] Implicit Places using invariants in 39 ms returned [6, 8, 10, 12, 14, 18, 20, 22, 24, 26]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 41 ms to find 10 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/76 places, 52/421 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 8 transition count 42
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 8 transition count 42
Ensure Unique test removed 30 transitions
Reduce isomorphic transitions removed 30 transitions.
Iterating post reduction 0 with 30 rules applied. Total rules applied 50 place count 8 transition count 12
Applied a total of 50 rules in 0 ms. Remains 8 /18 variables (removed 10) and now considering 12/52 (removed 40) transitions.
// Phase 1: matrix 12 rows 8 cols
[2025-06-03 14:27:37] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:37] [INFO ] Implicit Places using invariants in 15 ms returned []
[2025-06-03 14:27:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 14:27:37] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 37 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 8/76 places, 12/421 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 82 ms. Remains : 8/76 places, 12/421 transitions.
Stuttering acceptance computed with spot in 207 ms :[(OR (NOT p0) (NOT p1)), (NOT p1), (NOT p0), (NOT p0), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : ServersAndClients-PT-200040-LTLFireability-14
Product exploration explored 100000 steps with 2162 reset in 58 ms.
Stack based approach found an accepted trace after 5 steps with 0 reset with depth 6 and stack size 6 in 0 ms.
FORMULA ServersAndClients-PT-200040-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property ServersAndClients-PT-200040-LTLFireability-14 finished in 366 ms.
All properties solved by simple procedures.
Total runtime 71863 ms.

BK_STOP 1748960857419

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="ServersAndClients-PT-200040"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is ServersAndClients-PT-200040, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r198-tall-174894532000044"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ServersAndClients-PT-200040.tgz
mv ServersAndClients-PT-200040 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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