Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r524-tall-171679080800652.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...............
=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
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 r524-tall-171679080800652
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 5.5M
-rw-r--r-- 1 mcc users 6.6K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 64K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Apr 23 07:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Apr 23 07:50 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Apr 23 07:50 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Apr 23 07:50 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Apr 13 16:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 120K Apr 13 16:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Apr 13 16:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 85K Apr 13 16:01 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Apr 23 07:50 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Apr 23 07:50 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 7 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 5.1M May 18 16:43 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME 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 1717230853140

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ServersAndClients-PT-200040
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 08:34:14] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-06-01 08:34:14] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 08:34:14] [INFO ] Load time of PNML (sax parser for PT used): 431 ms
[2024-06-01 08:34:14] [INFO ] Transformed 8841 places.
[2024-06-01 08:34:14] [INFO ] Transformed 16400 transitions.
[2024-06-01 08:34:14] [INFO ] Found NUPN structural information;
[2024-06-01 08:34:14] [INFO ] Parsed PT model containing 8841 places and 16400 transitions and 49600 arcs in 600 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 1 formulas.
FORMULA ServersAndClients-PT-200040-LTLFireability-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 52 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 2103 ms. Remains 8841 /8841 variables (removed 0) and now considering 16400/16400 (removed 0) transitions.
// Phase 1: matrix 16400 rows 8841 cols
[2024-06-01 08:34:17] [INFO ] Computed 441 invariants in 323 ms
[2024-06-01 08:34:36] [INFO ] Implicit Places using invariants in 18802 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, 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, 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, 1404, 2007, 2208, 2409, 2610, 2811, 3012, 3414, 4017, 4620, 4821, 5022, 5424, 5625, 5826, 6027, 6630, 6831, 7233, 7434, 7635, 8037, 8439]
Discarding 424 places :
Implicit Place search using SMT only with invariants took 18879 ms to find 424 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 8417/8841 places, 16400/16400 transitions.
Discarding 5182 places :
Symmetric choice reduction at 0 with 5182 rule applications. Total rules 5182 place count 3235 transition count 11218
Iterating global reduction 0 with 5182 rules applied. Total rules applied 10364 place count 3235 transition count 11218
Ensure Unique test removed 4985 transitions
Reduce isomorphic transitions removed 4985 transitions.
Iterating post reduction 0 with 4985 rules applied. Total rules applied 15349 place count 3235 transition count 6233
Discarding 2952 places :
Symmetric choice reduction at 1 with 2952 rule applications. Total rules 18301 place count 283 transition count 3281
Iterating global reduction 1 with 2952 rules applied. Total rules applied 21253 place count 283 transition count 3281
Discarding 166 places :
Symmetric choice reduction at 1 with 166 rule applications. Total rules 21419 place count 117 transition count 791
Iterating global reduction 1 with 166 rules applied. Total rules applied 21585 place count 117 transition count 791
Ensure Unique test removed 166 transitions
Reduce isomorphic transitions removed 166 transitions.
Iterating post reduction 1 with 166 rules applied. Total rules applied 21751 place count 117 transition count 625
Applied a total of 21751 rules in 877 ms. Remains 117 /8417 variables (removed 8300) and now considering 625/16400 (removed 15775) transitions.
// Phase 1: matrix 625 rows 117 cols
[2024-06-01 08:34:37] [INFO ] Computed 17 invariants in 2 ms
[2024-06-01 08:34:37] [INFO ] Implicit Places using invariants in 41 ms returned []
[2024-06-01 08:34:37] [INFO ] Invariant cache hit.
[2024-06-01 08:34:37] [INFO ] Implicit Places using invariants and state equation in 121 ms returned []
Implicit Place search using SMT with State Equation took 167 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 117/8841 places, 625/16400 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 22053 ms. Remains : 117/8841 places, 625/16400 transitions.
Support contains 52 out of 117 places after structural reductions.
[2024-06-01 08:34:37] [INFO ] Flatten gal took : 67 ms
[2024-06-01 08:34:37] [INFO ] Flatten gal took : 36 ms
[2024-06-01 08:34:37] [INFO ] Input system was already deterministic with 625 transitions.
RANDOM walk for 40000 steps (8 resets) in 1622 ms. (24 steps per ms) remains 2/40 properties
BEST_FIRST walk for 40004 steps (8 resets) in 141 ms. (281 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 129 ms. (307 steps per ms) remains 2/2 properties
[2024-06-01 08:34:38] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem AtomicPropp20 is UNSAT
Problem AtomicPropp29 is UNSAT
After SMT solving in domain Real declared 105/742 variables, and 5 constraints, problems are : Problem set: 2 solved, 0 unsolved in 77 ms.
Refiners :[Positive P Invariants (semi-flows): 5/17 constraints, State Equation: 0/117 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 117ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA ServersAndClients-PT-200040-LTLFireability-15 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 2 atomic propositions for a total of 14 simplifications.
FORMULA ServersAndClients-PT-200040-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
FORMULA ServersAndClients-PT-200040-LTLFireability-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(G(p0))||G(p1)))'
Support contains 2 out of 117 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 117/117 places, 625/625 transitions.
Discarding 30 places :
Symmetric choice reduction at 0 with 30 rule applications. Total rules 30 place count 87 transition count 399
Iterating global reduction 0 with 30 rules applied. Total rules applied 60 place count 87 transition count 399
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 27 transitions.
Iterating post reduction 0 with 27 rules applied. Total rules applied 87 place count 87 transition count 372
Discarding 15 places :
Symmetric choice reduction at 1 with 15 rule applications. Total rules 102 place count 72 transition count 147
Iterating global reduction 1 with 15 rules applied. Total rules applied 117 place count 72 transition count 147
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 1 with 15 rules applied. Total rules applied 132 place count 72 transition count 132
Applied a total of 132 rules in 6 ms. Remains 72 /117 variables (removed 45) and now considering 132/625 (removed 493) transitions.
// Phase 1: matrix 132 rows 72 cols
[2024-06-01 08:34:38] [INFO ] Computed 17 invariants in 1 ms
[2024-06-01 08:34:38] [INFO ] Implicit Places using invariants in 54 ms returned [0, 1, 14, 18, 23, 27, 31, 35, 39, 43, 48, 52, 56, 60, 64, 68]
Discarding 16 places :
Implicit Place search using SMT only with invariants took 55 ms to find 16 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 56/117 places, 132/625 transitions.
Discarding 44 places :
Symmetric choice reduction at 0 with 44 rule applications. Total rules 44 place count 12 transition count 88
Iterating global reduction 0 with 44 rules applied. Total rules applied 88 place count 12 transition count 88
Ensure Unique test removed 70 transitions
Reduce isomorphic transitions removed 70 transitions.
Iterating post reduction 0 with 70 rules applied. Total rules applied 158 place count 12 transition count 18
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 160 place count 10 transition count 16
Iterating global reduction 1 with 2 rules applied. Total rules applied 162 place count 10 transition count 16
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 164 place count 8 transition count 14
Iterating global reduction 1 with 2 rules applied. Total rules applied 166 place count 8 transition count 14
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 168 place count 8 transition count 12
Applied a total of 168 rules in 1 ms. Remains 8 /56 variables (removed 48) and now considering 12/132 (removed 120) transitions.
// Phase 1: matrix 12 rows 8 cols
[2024-06-01 08:34:38] [INFO ] Computed 1 invariants in 1 ms
[2024-06-01 08:34:38] [INFO ] Implicit Places using invariants in 17 ms returned []
[2024-06-01 08:34:38] [INFO ] Invariant cache hit.
[2024-06-01 08:34:38] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 36 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 8/117 places, 12/625 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 98 ms. Remains : 8/117 places, 12/625 transitions.
Stuttering acceptance computed with spot in 231 ms :[true, (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : ServersAndClients-PT-200040-LTLFireability-00
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA ServersAndClients-PT-200040-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-200040-LTLFireability-00 finished in 392 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X(G((p0||(p1&&G(p2)))))))))'
Support contains 3 out of 117 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 117/117 places, 625/625 transitions.
Discarding 31 places :
Symmetric choice reduction at 0 with 31 rule applications. Total rules 31 place count 86 transition count 398
Iterating global reduction 0 with 31 rules applied. Total rules applied 62 place count 86 transition count 398
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 28 transitions.
Iterating post reduction 0 with 28 rules applied. Total rules applied 90 place count 86 transition count 370
Discarding 16 places :
Symmetric choice reduction at 1 with 16 rule applications. Total rules 106 place count 70 transition count 130
Iterating global reduction 1 with 16 rules applied. Total rules applied 122 place count 70 transition count 130
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 138 place count 70 transition count 114
Applied a total of 138 rules in 6 ms. Remains 70 /117 variables (removed 47) and now considering 114/625 (removed 511) transitions.
// Phase 1: matrix 114 rows 70 cols
[2024-06-01 08:34:39] [INFO ] Computed 17 invariants in 0 ms
[2024-06-01 08:34:39] [INFO ] Implicit Places using invariants in 49 ms returned [0, 13, 17, 22, 26, 30, 34, 38, 42, 46, 50, 54, 58, 62, 66]
Discarding 15 places :
Implicit Place search using SMT only with invariants took 51 ms to find 15 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 55/117 places, 114/625 transitions.
Discarding 43 places :
Symmetric choice reduction at 0 with 43 rule applications. Total rules 43 place count 12 transition count 71
Iterating global reduction 0 with 43 rules applied. Total rules applied 86 place count 12 transition count 71
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Iterating post reduction 0 with 56 rules applied. Total rules applied 142 place count 12 transition count 15
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 143 place count 11 transition count 14
Iterating global reduction 1 with 1 rules applied. Total rules applied 144 place count 11 transition count 14
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 145 place count 10 transition count 13
Iterating global reduction 1 with 1 rules applied. Total rules applied 146 place count 10 transition count 13
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 147 place count 10 transition count 12
Applied a total of 147 rules in 2 ms. Remains 10 /55 variables (removed 45) and now considering 12/114 (removed 102) transitions.
// Phase 1: matrix 12 rows 10 cols
[2024-06-01 08:34:39] [INFO ] Computed 2 invariants in 0 ms
[2024-06-01 08:34:39] [INFO ] Implicit Places using invariants in 15 ms returned []
[2024-06-01 08:34:39] [INFO ] Invariant cache hit.
[2024-06-01 08:34:39] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 36 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 10/117 places, 12/625 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 96 ms. Remains : 10/117 places, 12/625 transitions.
Stuttering acceptance computed with spot in 300 ms :[true, (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (NOT p2) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Running random walk in product with property : ServersAndClients-PT-200040-LTLFireability-01
Entered a terminal (fully accepting) state of product in 23 steps with 0 reset in 1 ms.
FORMULA ServersAndClients-PT-200040-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-200040-LTLFireability-01 finished in 414 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((p0 U (p1 U p2)))))'
Support contains 5 out of 117 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 117/117 places, 625/625 transitions.
Discarding 29 places :
Symmetric choice reduction at 0 with 29 rule applications. Total rules 29 place count 88 transition count 428
Iterating global reduction 0 with 29 rules applied. Total rules applied 58 place count 88 transition count 428
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 0 with 26 rules applied. Total rules applied 84 place count 88 transition count 402
Discarding 16 places :
Symmetric choice reduction at 1 with 16 rule applications. Total rules 100 place count 72 transition count 162
Iterating global reduction 1 with 16 rules applied. Total rules applied 116 place count 72 transition count 162
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 132 place count 72 transition count 146
Applied a total of 132 rules in 8 ms. Remains 72 /117 variables (removed 45) and now considering 146/625 (removed 479) transitions.
// Phase 1: matrix 146 rows 72 cols
[2024-06-01 08:34:39] [INFO ] Computed 17 invariants in 1 ms
[2024-06-01 08:34:39] [INFO ] Implicit Places using invariants in 56 ms returned [0, 1, 15, 19, 23, 31, 35, 39, 43, 48, 52, 56, 60, 64]
Discarding 14 places :
Implicit Place search using SMT only with invariants took 57 ms to find 14 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 58/117 places, 146/625 transitions.
Discarding 38 places :
Symmetric choice reduction at 0 with 38 rule applications. Total rules 38 place count 20 transition count 108
Iterating global reduction 0 with 38 rules applied. Total rules applied 76 place count 20 transition count 108
Ensure Unique test removed 72 transitions
Reduce isomorphic transitions removed 72 transitions.
Iterating post reduction 0 with 72 rules applied. Total rules applied 148 place count 20 transition count 36
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 154 place count 14 transition count 30
Iterating global reduction 1 with 6 rules applied. Total rules applied 160 place count 14 transition count 30
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 162 place count 12 transition count 24
Iterating global reduction 1 with 2 rules applied. Total rules applied 164 place count 12 transition count 24
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 166 place count 12 transition count 22
Applied a total of 166 rules in 2 ms. Remains 12 /58 variables (removed 46) and now considering 22/146 (removed 124) transitions.
// Phase 1: matrix 22 rows 12 cols
[2024-06-01 08:34:39] [INFO ] Computed 3 invariants in 0 ms
[2024-06-01 08:34:39] [INFO ] Implicit Places using invariants in 16 ms returned []
[2024-06-01 08:34:39] [INFO ] Invariant cache hit.
[2024-06-01 08:34:39] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 36 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 12/117 places, 22/625 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 103 ms. Remains : 12/117 places, 22/625 transitions.
Stuttering acceptance computed with spot in 176 ms :[(NOT p2), (NOT p2), true, (NOT p2), (NOT p2)]
Running random walk in product with property : ServersAndClients-PT-200040-LTLFireability-03
Product exploration explored 100000 steps with 9662 reset in 228 ms.
Stack based approach found an accepted trace after 16 steps with 1 reset with depth 11 and stack size 11 in 0 ms.
FORMULA ServersAndClients-PT-200040-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property ServersAndClients-PT-200040-LTLFireability-03 finished in 534 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&(G(p1) U (G(!p2) U X(p3)))))'
Support contains 7 out of 117 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 117/117 places, 625/625 transitions.
Discarding 29 places :
Symmetric choice reduction at 0 with 29 rule applications. Total rules 29 place count 88 transition count 428
Iterating global reduction 0 with 29 rules applied. Total rules applied 58 place count 88 transition count 428
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 0 with 26 rules applied. Total rules applied 84 place count 88 transition count 402
Discarding 16 places :
Symmetric choice reduction at 1 with 16 rule applications. Total rules 100 place count 72 transition count 162
Iterating global reduction 1 with 16 rules applied. Total rules applied 116 place count 72 transition count 162
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 132 place count 72 transition count 146
Applied a total of 132 rules in 3 ms. Remains 72 /117 variables (removed 45) and now considering 146/625 (removed 479) transitions.
// Phase 1: matrix 146 rows 72 cols
[2024-06-01 08:34:40] [INFO ] Computed 17 invariants in 0 ms
[2024-06-01 08:34:40] [INFO ] Implicit Places using invariants in 51 ms returned [1, 15, 19, 27, 31, 39, 43, 47, 51, 56, 60, 64, 68]
Discarding 13 places :
Implicit Place search using SMT only with invariants took 53 ms to find 13 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 59/117 places, 146/625 transitions.
Discarding 37 places :
Symmetric choice reduction at 0 with 37 rule applications. Total rules 37 place count 22 transition count 109
Iterating global reduction 0 with 37 rules applied. Total rules applied 74 place count 22 transition count 109
Ensure Unique test removed 72 transitions
Reduce isomorphic transitions removed 72 transitions.
Iterating post reduction 0 with 72 rules applied. Total rules applied 146 place count 22 transition count 37
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 149 place count 19 transition count 34
Iterating global reduction 1 with 3 rules applied. Total rules applied 152 place count 19 transition count 34
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 153 place count 18 transition count 31
Iterating global reduction 1 with 1 rules applied. Total rules applied 154 place count 18 transition count 31
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 155 place count 18 transition count 30
Applied a total of 155 rules in 1 ms. Remains 18 /59 variables (removed 41) and now considering 30/146 (removed 116) transitions.
// Phase 1: matrix 30 rows 18 cols
[2024-06-01 08:34:40] [INFO ] Computed 4 invariants in 0 ms
[2024-06-01 08:34:40] [INFO ] Implicit Places using invariants in 14 ms returned []
[2024-06-01 08:34:40] [INFO ] Invariant cache hit.
[2024-06-01 08:34:40] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 40 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 18/117 places, 30/625 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 97 ms. Remains : 18/117 places, 30/625 transitions.
Stuttering acceptance computed with spot in 466 ms :[(OR (NOT p0) (NOT p3)), (NOT p0), (NOT p3), (NOT p3), (AND p2 (NOT p1) (NOT p3)), (NOT p3), (AND (NOT p1) (NOT p3)), true, p2, (NOT p1), (AND p2 (NOT p1))]
Running random walk in product with property : ServersAndClients-PT-200040-LTLFireability-04
Entered a terminal (fully accepting) state of product in 5 steps with 0 reset in 1 ms.
FORMULA ServersAndClients-PT-200040-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-200040-LTLFireability-04 finished in 591 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||X(F(p1)))))'
Support contains 3 out of 117 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 117/117 places, 625/625 transitions.
Discarding 30 places :
Symmetric choice reduction at 0 with 30 rule applications. Total rules 30 place count 87 transition count 413
Iterating global reduction 0 with 30 rules applied. Total rules applied 60 place count 87 transition count 413
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 27 transitions.
Iterating post reduction 0 with 27 rules applied. Total rules applied 87 place count 87 transition count 386
Discarding 16 places :
Symmetric choice reduction at 1 with 16 rule applications. Total rules 103 place count 71 transition count 146
Iterating global reduction 1 with 16 rules applied. Total rules applied 119 place count 71 transition count 146
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 135 place count 71 transition count 130
Applied a total of 135 rules in 8 ms. Remains 71 /117 variables (removed 46) and now considering 130/625 (removed 495) transitions.
// Phase 1: matrix 130 rows 71 cols
[2024-06-01 08:34:40] [INFO ] Computed 17 invariants in 1 ms
[2024-06-01 08:34:40] [INFO ] Implicit Places using invariants in 62 ms returned [0, 1, 14, 18, 23, 31, 35, 39, 43, 47, 51, 55, 59, 63, 67]
Discarding 15 places :
Implicit Place search using SMT only with invariants took 64 ms to find 15 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 56/117 places, 130/625 transitions.
Discarding 41 places :
Symmetric choice reduction at 0 with 41 rule applications. Total rules 41 place count 15 transition count 89
Iterating global reduction 0 with 41 rules applied. Total rules applied 82 place count 15 transition count 89
Ensure Unique test removed 65 transitions
Reduce isomorphic transitions removed 65 transitions.
Iterating post reduction 0 with 65 rules applied. Total rules applied 147 place count 15 transition count 24
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 151 place count 11 transition count 20
Iterating global reduction 1 with 4 rules applied. Total rules applied 155 place count 11 transition count 20
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 157 place count 9 transition count 16
Iterating global reduction 1 with 2 rules applied. Total rules applied 159 place count 9 transition count 16
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 161 place count 9 transition count 14
Applied a total of 161 rules in 1 ms. Remains 9 /56 variables (removed 47) and now considering 14/130 (removed 116) transitions.
// Phase 1: matrix 14 rows 9 cols
[2024-06-01 08:34:40] [INFO ] Computed 2 invariants in 0 ms
[2024-06-01 08:34:40] [INFO ] Implicit Places using invariants in 15 ms returned []
[2024-06-01 08:34:40] [INFO ] Invariant cache hit.
[2024-06-01 08:34:40] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 34 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 9/117 places, 14/625 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 107 ms. Remains : 9/117 places, 14/625 transitions.
Stuttering acceptance computed with spot in 138 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : ServersAndClients-PT-200040-LTLFireability-05
Product exploration explored 100000 steps with 50000 reset in 82 ms.
Product exploration explored 100000 steps with 50000 reset in 86 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), (X (X p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 18 ms. Reduced automaton from 3 states, 3 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ServersAndClients-PT-200040-LTLFireability-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ServersAndClients-PT-200040-LTLFireability-05 finished in 461 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((G((F(p1)&&F(G(p2))))||p0))))'
Support contains 3 out of 117 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 117/117 places, 625/625 transitions.
Discarding 31 places :
Symmetric choice reduction at 0 with 31 rule applications. Total rules 31 place count 86 transition count 398
Iterating global reduction 0 with 31 rules applied. Total rules applied 62 place count 86 transition count 398
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 28 transitions.
Iterating post reduction 0 with 28 rules applied. Total rules applied 90 place count 86 transition count 370
Discarding 15 places :
Symmetric choice reduction at 1 with 15 rule applications. Total rules 105 place count 71 transition count 145
Iterating global reduction 1 with 15 rules applied. Total rules applied 120 place count 71 transition count 145
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 1 with 15 rules applied. Total rules applied 135 place count 71 transition count 130
Applied a total of 135 rules in 5 ms. Remains 71 /117 variables (removed 46) and now considering 130/625 (removed 495) transitions.
// Phase 1: matrix 130 rows 71 cols
[2024-06-01 08:34:41] [INFO ] Computed 17 invariants in 1 ms
[2024-06-01 08:34:41] [INFO ] Implicit Places using invariants in 45 ms returned [0, 1, 14, 23, 27, 31, 35, 39, 43, 47, 51, 55, 59, 63, 67]
Discarding 15 places :
Implicit Place search using SMT only with invariants took 47 ms to find 15 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 56/117 places, 130/625 transitions.
Discarding 41 places :
Symmetric choice reduction at 0 with 41 rule applications. Total rules 41 place count 15 transition count 89
Iterating global reduction 0 with 41 rules applied. Total rules applied 82 place count 15 transition count 89
Ensure Unique test removed 65 transitions
Reduce isomorphic transitions removed 65 transitions.
Iterating post reduction 0 with 65 rules applied. Total rules applied 147 place count 15 transition count 24
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 151 place count 11 transition count 20
Iterating global reduction 1 with 4 rules applied. Total rules applied 155 place count 11 transition count 20
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 157 place count 9 transition count 16
Iterating global reduction 1 with 2 rules applied. Total rules applied 159 place count 9 transition count 16
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 161 place count 9 transition count 14
Applied a total of 161 rules in 2 ms. Remains 9 /56 variables (removed 47) and now considering 14/130 (removed 116) transitions.
// Phase 1: matrix 14 rows 9 cols
[2024-06-01 08:34:41] [INFO ] Computed 2 invariants in 0 ms
[2024-06-01 08:34:41] [INFO ] Implicit Places using invariants in 14 ms returned []
[2024-06-01 08:34:41] [INFO ] Invariant cache hit.
[2024-06-01 08:34:41] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 34 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 9/117 places, 14/625 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 88 ms. Remains : 9/117 places, 14/625 transitions.
Stuttering acceptance computed with spot in 210 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : ServersAndClients-PT-200040-LTLFireability-06
Product exploration explored 100000 steps with 42880 reset in 54 ms.
Product exploration explored 100000 steps with 42884 reset in 58 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 (NOT p1) (NOT p2)), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT p1)), (X (X p0)), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p2))))]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X p2), (X (NOT p2)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 8 factoid took 20 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ServersAndClients-PT-200040-LTLFireability-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ServersAndClients-PT-200040-LTLFireability-06 finished in 449 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((X(X(p0)) U G(X(p1))) U p2))'
Support contains 3 out of 117 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 117/117 places, 625/625 transitions.
Discarding 29 places :
Symmetric choice reduction at 0 with 29 rule applications. Total rules 29 place count 88 transition count 400
Iterating global reduction 0 with 29 rules applied. Total rules applied 58 place count 88 transition count 400
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 27 transitions.
Iterating post reduction 0 with 27 rules applied. Total rules applied 85 place count 88 transition count 373
Discarding 14 places :
Symmetric choice reduction at 1 with 14 rule applications. Total rules 99 place count 74 transition count 163
Iterating global reduction 1 with 14 rules applied. Total rules applied 113 place count 74 transition count 163
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 1 with 14 rules applied. Total rules applied 127 place count 74 transition count 149
Applied a total of 127 rules in 11 ms. Remains 74 /117 variables (removed 43) and now considering 149/625 (removed 476) transitions.
// Phase 1: matrix 149 rows 74 cols
[2024-06-01 08:34:41] [INFO ] Computed 17 invariants in 1 ms
[2024-06-01 08:34:41] [INFO ] Implicit Places using invariants in 62 ms returned [0, 1, 15, 19, 23, 27, 31, 35, 39, 44, 49, 53, 57, 61, 66, 70]
Discarding 16 places :
Implicit Place search using SMT only with invariants took 63 ms to find 16 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 58/117 places, 149/625 transitions.
Discarding 44 places :
Symmetric choice reduction at 0 with 44 rule applications. Total rules 44 place count 14 transition count 105
Iterating global reduction 0 with 44 rules applied. Total rules applied 88 place count 14 transition count 105
Ensure Unique test removed 83 transitions
Reduce isomorphic transitions removed 83 transitions.
Iterating post reduction 0 with 83 rules applied. Total rules applied 171 place count 14 transition count 22
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 173 place count 12 transition count 20
Iterating global reduction 1 with 2 rules applied. Total rules applied 175 place count 12 transition count 20
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 177 place count 10 transition count 18
Iterating global reduction 1 with 2 rules applied. Total rules applied 179 place count 10 transition count 18
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 181 place count 10 transition count 16
Applied a total of 181 rules in 2 ms. Remains 10 /58 variables (removed 48) and now considering 16/149 (removed 133) transitions.
// Phase 1: matrix 16 rows 10 cols
[2024-06-01 08:34:41] [INFO ] Computed 1 invariants in 0 ms
[2024-06-01 08:34:41] [INFO ] Implicit Places using invariants in 14 ms returned []
[2024-06-01 08:34:41] [INFO ] Invariant cache hit.
[2024-06-01 08:34:41] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 40 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 10/117 places, 16/625 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 117 ms. Remains : 10/117 places, 16/625 transitions.
Stuttering acceptance computed with spot in 277 ms :[(NOT p2), (OR (NOT p2) (NOT p1)), (NOT p0), (NOT p1), (AND (NOT p1) (NOT p0)), true, (NOT p1)]
Running random walk in product with property : ServersAndClients-PT-200040-LTLFireability-07
Entered a terminal (fully accepting) state of product in 3 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 416 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(G(!p0)) U (p1||F(p2))))'
Support contains 4 out of 117 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 117/117 places, 625/625 transitions.
Graph (trivial) has 96 edges and 117 vertex of which 48 / 117 are part of one of the 1 SCC in 5 ms
Free SCC test removed 47 places
Ensure Unique test removed 508 transitions
Reduce isomorphic transitions removed 508 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 30 transitions
Trivial Post-agglo rules discarded 30 transitions
Performed 30 trivial Post agglomeration. Transition count delta: 30
Iterating post reduction 0 with 30 rules applied. Total rules applied 31 place count 70 transition count 87
Reduce places removed 30 places and 0 transitions.
Iterating post reduction 1 with 30 rules applied. Total rules applied 61 place count 40 transition count 87
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: 14
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 101 place count 14 transition count 73
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 50 transitions.
Iterating post reduction 2 with 50 rules applied. Total rules applied 151 place count 14 transition count 23
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 3 with 4 rules applied. Total rules applied 155 place count 14 transition count 19
Applied a total of 155 rules in 29 ms. Remains 14 /117 variables (removed 103) and now considering 19/625 (removed 606) transitions.
// Phase 1: matrix 19 rows 14 cols
[2024-06-01 08:34:42] [INFO ] Computed 5 invariants in 1 ms
[2024-06-01 08:34:42] [INFO ] Implicit Places using invariants in 22 ms returned [0, 1, 6]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 23 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 11/117 places, 19/625 transitions.
Graph (trivial) has 6 edges and 11 vertex of which 4 / 11 are part of one of the 1 SCC in 0 ms
Free SCC test removed 3 places
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 3 place count 6 transition count 12
Iterating global reduction 0 with 2 rules applied. Total rules applied 5 place count 6 transition count 12
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 7 place count 6 transition count 10
Applied a total of 7 rules in 1 ms. Remains 6 /11 variables (removed 5) and now considering 10/19 (removed 9) transitions.
// Phase 1: matrix 10 rows 6 cols
[2024-06-01 08:34:42] [INFO ] Computed 2 invariants in 0 ms
[2024-06-01 08:34:42] [INFO ] Implicit Places using invariants in 25 ms returned []
[2024-06-01 08:34:42] [INFO ] Invariant cache hit.
[2024-06-01 08:34:42] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 6/117 places, 10/625 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 107 ms. Remains : 6/117 places, 10/625 transitions.
Stuttering acceptance computed with spot in 81 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p2) 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 219 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((F(p0) U (p1 U (p2||G(p1)))))))'
Support contains 4 out of 117 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 117/117 places, 625/625 transitions.
Discarding 29 places :
Symmetric choice reduction at 0 with 29 rule applications. Total rules 29 place count 88 transition count 414
Iterating global reduction 0 with 29 rules applied. Total rules applied 58 place count 88 transition count 414
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 0 with 26 rules applied. Total rules applied 84 place count 88 transition count 388
Discarding 15 places :
Symmetric choice reduction at 1 with 15 rule applications. Total rules 99 place count 73 transition count 163
Iterating global reduction 1 with 15 rules applied. Total rules applied 114 place count 73 transition count 163
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 1 with 15 rules applied. Total rules applied 129 place count 73 transition count 148
Applied a total of 129 rules in 7 ms. Remains 73 /117 variables (removed 44) and now considering 148/625 (removed 477) transitions.
// Phase 1: matrix 148 rows 73 cols
[2024-06-01 08:34:42] [INFO ] Computed 17 invariants in 0 ms
[2024-06-01 08:34:42] [INFO ] Implicit Places using invariants in 53 ms returned [0, 1, 15, 19, 23, 27, 31, 35, 39, 43, 47, 56, 61, 65, 69]
Discarding 15 places :
Implicit Place search using SMT only with invariants took 54 ms to find 15 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 58/117 places, 148/625 transitions.
Discarding 41 places :
Symmetric choice reduction at 0 with 41 rule applications. Total rules 41 place count 17 transition count 107
Iterating global reduction 0 with 41 rules applied. Total rules applied 82 place count 17 transition count 107
Ensure Unique test removed 78 transitions
Reduce isomorphic transitions removed 78 transitions.
Iterating post reduction 0 with 78 rules applied. Total rules applied 160 place count 17 transition count 29
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 164 place count 13 transition count 25
Iterating global reduction 1 with 4 rules applied. Total rules applied 168 place count 13 transition count 25
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 170 place count 11 transition count 21
Iterating global reduction 1 with 2 rules applied. Total rules applied 172 place count 11 transition count 21
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 174 place count 11 transition count 19
Applied a total of 174 rules in 2 ms. Remains 11 /58 variables (removed 47) and now considering 19/148 (removed 129) transitions.
// Phase 1: matrix 19 rows 11 cols
[2024-06-01 08:34:42] [INFO ] Computed 2 invariants in 0 ms
[2024-06-01 08:34:42] [INFO ] Implicit Places using invariants in 18 ms returned []
[2024-06-01 08:34:42] [INFO ] Invariant cache hit.
[2024-06-01 08:34:42] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 11/117 places, 19/625 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 116 ms. Remains : 11/117 places, 19/625 transitions.
Stuttering acceptance computed with spot in 178 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p0), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : ServersAndClients-PT-200040-LTLFireability-10
Product exploration explored 100000 steps with 6281 reset in 90 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-10 FALSE TECHNIQUES STACK_TEST
Treatment of property ServersAndClients-PT-200040-LTLFireability-10 finished in 405 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((!p0&&X((F(p1)||G(!p0)))))))'
Support contains 4 out of 117 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 117/117 places, 625/625 transitions.
Graph (trivial) has 96 edges and 117 vertex of which 48 / 117 are part of one of the 1 SCC in 1 ms
Free SCC test removed 47 places
Ensure Unique test removed 494 transitions
Reduce isomorphic transitions removed 494 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 29 transitions
Trivial Post-agglo rules discarded 29 transitions
Performed 29 trivial Post agglomeration. Transition count delta: 29
Iterating post reduction 0 with 29 rules applied. Total rules applied 30 place count 70 transition count 102
Reduce places removed 29 places and 0 transitions.
Iterating post reduction 1 with 29 rules applied. Total rules applied 59 place count 41 transition count 102
Performed 13 Post agglomeration using F-continuation condition.Transition count delta: 13
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 2 with 38 rules applied. Total rules applied 97 place count 16 transition count 89
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 2 with 63 rules applied. Total rules applied 160 place count 16 transition count 26
Applied a total of 160 rules in 11 ms. Remains 16 /117 variables (removed 101) and now considering 26/625 (removed 599) transitions.
// Phase 1: matrix 26 rows 16 cols
[2024-06-01 08:34:42] [INFO ] Computed 5 invariants in 1 ms
[2024-06-01 08:34:42] [INFO ] Implicit Places using invariants in 27 ms returned [0, 1]
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 : 14/117 places, 26/625 transitions.
Graph (trivial) has 6 edges and 14 vertex of which 4 / 14 are part of one of the 1 SCC in 1 ms
Free SCC test removed 3 places
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 5 place count 7 transition count 17
Iterating global reduction 0 with 4 rules applied. Total rules applied 9 place count 7 transition count 17
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 13 place count 7 transition count 13
Applied a total of 13 rules in 3 ms. Remains 7 /14 variables (removed 7) and now considering 13/26 (removed 13) transitions.
// Phase 1: matrix 13 rows 7 cols
[2024-06-01 08:34:42] [INFO ] Computed 3 invariants in 0 ms
[2024-06-01 08:34:42] [INFO ] Implicit Places using invariants in 17 ms returned []
[2024-06-01 08:34:42] [INFO ] Invariant cache hit.
[2024-06-01 08:34:42] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 7/117 places, 13/625 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 89 ms. Remains : 7/117 places, 13/625 transitions.
Stuttering acceptance computed with spot in 173 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 9015 reset in 136 ms.
Stack based approach found an accepted trace after 37 steps with 5 reset with depth 5 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 427 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(((p0||G(p1))&&(F(p3)||p2))))'
Support contains 6 out of 117 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 117/117 places, 625/625 transitions.
Graph (trivial) has 94 edges and 117 vertex of which 47 / 117 are part of one of the 1 SCC in 1 ms
Free SCC test removed 46 places
Ensure Unique test removed 478 transitions
Reduce isomorphic transitions removed 478 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 26 transitions
Trivial Post-agglo rules discarded 26 transitions
Performed 26 trivial Post agglomeration. Transition count delta: 26
Iterating post reduction 0 with 26 rules applied. Total rules applied 27 place count 71 transition count 121
Reduce places removed 26 places and 0 transitions.
Iterating post reduction 1 with 26 rules applied. Total rules applied 53 place count 45 transition count 121
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 54 place count 44 transition count 120
Iterating global reduction 2 with 1 rules applied. Total rules applied 55 place count 44 transition count 120
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 56 place count 44 transition count 119
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 3 with 35 rules applied. Total rules applied 91 place count 21 transition count 107
Ensure Unique test removed 68 transitions
Reduce isomorphic transitions removed 68 transitions.
Iterating post reduction 3 with 68 rules applied. Total rules applied 159 place count 21 transition count 39
Applied a total of 159 rules in 15 ms. Remains 21 /117 variables (removed 96) and now considering 39/625 (removed 586) transitions.
// Phase 1: matrix 39 rows 21 cols
[2024-06-01 08:34:43] [INFO ] Computed 6 invariants in 0 ms
[2024-06-01 08:34:43] [INFO ] Implicit Places using invariants in 22 ms returned [0, 1]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 24 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 19/117 places, 39/625 transitions.
Graph (trivial) has 6 edges and 19 vertex of which 4 / 19 are part of one of the 1 SCC in 0 ms
Free SCC test removed 3 places
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 7 place count 10 transition count 28
Iterating global reduction 0 with 6 rules applied. Total rules applied 13 place count 10 transition count 28
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 19 place count 10 transition count 22
Applied a total of 19 rules in 4 ms. Remains 10 /19 variables (removed 9) and now considering 22/39 (removed 17) transitions.
// Phase 1: matrix 22 rows 10 cols
[2024-06-01 08:34:43] [INFO ] Computed 4 invariants in 0 ms
[2024-06-01 08:34:43] [INFO ] Implicit Places using invariants in 20 ms returned []
[2024-06-01 08:34:43] [INFO ] Invariant cache hit.
[2024-06-01 08:34:43] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 10/117 places, 22/625 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 90 ms. Remains : 10/117 places, 22/625 transitions.
Stuttering acceptance computed with spot in 439 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 551 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F((p0&&X(F(p1))))||G(p0))))'
Support contains 2 out of 117 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 117/117 places, 625/625 transitions.
Discarding 30 places :
Symmetric choice reduction at 0 with 30 rule applications. Total rules 30 place count 87 transition count 399
Iterating global reduction 0 with 30 rules applied. Total rules applied 60 place count 87 transition count 399
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 27 transitions.
Iterating post reduction 0 with 27 rules applied. Total rules applied 87 place count 87 transition count 372
Discarding 15 places :
Symmetric choice reduction at 1 with 15 rule applications. Total rules 102 place count 72 transition count 147
Iterating global reduction 1 with 15 rules applied. Total rules applied 117 place count 72 transition count 147
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 1 with 15 rules applied. Total rules applied 132 place count 72 transition count 132
Applied a total of 132 rules in 9 ms. Remains 72 /117 variables (removed 45) and now considering 132/625 (removed 493) transitions.
// Phase 1: matrix 132 rows 72 cols
[2024-06-01 08:34:43] [INFO ] Computed 17 invariants in 1 ms
[2024-06-01 08:34:43] [INFO ] Implicit Places using invariants in 58 ms returned [0, 1, 14, 18, 22, 26, 30, 34, 38, 42, 48, 52, 56, 60, 64, 68]
Discarding 16 places :
Implicit Place search using SMT only with invariants took 60 ms to find 16 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 56/117 places, 132/625 transitions.
Discarding 44 places :
Symmetric choice reduction at 0 with 44 rule applications. Total rules 44 place count 12 transition count 88
Iterating global reduction 0 with 44 rules applied. Total rules applied 88 place count 12 transition count 88
Ensure Unique test removed 70 transitions
Reduce isomorphic transitions removed 70 transitions.
Iterating post reduction 0 with 70 rules applied. Total rules applied 158 place count 12 transition count 18
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 160 place count 10 transition count 16
Iterating global reduction 1 with 2 rules applied. Total rules applied 162 place count 10 transition count 16
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 164 place count 8 transition count 14
Iterating global reduction 1 with 2 rules applied. Total rules applied 166 place count 8 transition count 14
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 168 place count 8 transition count 12
Applied a total of 168 rules in 1 ms. Remains 8 /56 variables (removed 48) and now considering 12/132 (removed 120) transitions.
// Phase 1: matrix 12 rows 8 cols
[2024-06-01 08:34:43] [INFO ] Computed 1 invariants in 0 ms
[2024-06-01 08:34:43] [INFO ] Implicit Places using invariants in 16 ms returned []
[2024-06-01 08:34:43] [INFO ] Invariant cache hit.
[2024-06-01 08:34:43] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 36 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 8/117 places, 12/625 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 106 ms. Remains : 8/117 places, 12/625 transitions.
Stuttering acceptance computed with spot in 201 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 2122 reset in 47 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-14 FALSE TECHNIQUES STACK_TEST
Treatment of property ServersAndClients-PT-200040-LTLFireability-14 finished in 376 ms.
All properties solved by simple procedures.
Total runtime 29703 ms.
ITS solved all properties within timeout

BK_STOP 1717230884039

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML

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="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool ltsminxred"
echo " Input is 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 r524-tall-171679080800652"
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.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -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 ;