Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r184-tall-174889265100933.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 SemanticWebServices-PT-S256P09, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r184-tall-174889265100933
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 32M
-rw-r--r-- 1 mcc users 5.7K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 52K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 31K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.9K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 89K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.0K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 51K 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 4.2K 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 8 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 32M 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 positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME SemanticWebServices-PT-S256P09-UpperBounds-00
FORMULA_NAME SemanticWebServices-PT-S256P09-UpperBounds-01
FORMULA_NAME SemanticWebServices-PT-S256P09-UpperBounds-02
FORMULA_NAME SemanticWebServices-PT-S256P09-UpperBounds-03
FORMULA_NAME SemanticWebServices-PT-S256P09-UpperBounds-04
FORMULA_NAME SemanticWebServices-PT-S256P09-UpperBounds-05
FORMULA_NAME SemanticWebServices-PT-S256P09-UpperBounds-06
FORMULA_NAME SemanticWebServices-PT-S256P09-UpperBounds-07
FORMULA_NAME SemanticWebServices-PT-S256P09-UpperBounds-08
FORMULA_NAME SemanticWebServices-PT-S256P09-UpperBounds-09
FORMULA_NAME SemanticWebServices-PT-S256P09-UpperBounds-10
FORMULA_NAME SemanticWebServices-PT-S256P09-UpperBounds-11
FORMULA_NAME SemanticWebServices-PT-S256P09-UpperBounds-12
FORMULA_NAME SemanticWebServices-PT-S256P09-UpperBounds-13
FORMULA_NAME SemanticWebServices-PT-S256P09-UpperBounds-14
FORMULA_NAME SemanticWebServices-PT-S256P09-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1749266063106

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SemanticWebServices-PT-S256P09
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-07 03:14:24] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-07 03:14:24] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 03:14:25] [INFO ] Load time of PNML (sax parser for PT used): 1147 ms
[2025-06-07 03:14:25] [INFO ] Transformed 418 places.
[2025-06-07 03:14:25] [INFO ] Transformed 27524 transitions.
[2025-06-07 03:14:25] [INFO ] Parsed PT model containing 418 places and 27524 transitions and 270595 arcs in 1355 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Deduced a syphon composed of 59 places in 64 ms
Reduce places removed 59 places and 19423 transitions.
Ensure Unique test removed 2463 transitions
Reduce redundant transitions removed 2463 transitions.
FORMULA SemanticWebServices-PT-S256P09-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SemanticWebServices-PT-S256P09-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-07 03:14:25] [INFO ] Flow matrix only has 1194 transitions (discarded 4444 similar events)
// Phase 1: matrix 1194 rows 359 cols
[2025-06-07 03:14:25] [INFO ] Computed 22 invariants in 47 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, 1, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 10009 steps (2 resets) in 516 ms. (19 steps per ms)
FORMULA SemanticWebServices-PT-S256P09-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 130013 steps (26 resets) in 71 ms. (1805 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7, 6, 23, 46, 18, 54, 23, 39, 16, 32, 24, 12, 28] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-07 03:14:26] [INFO ] Flow matrix only has 1194 transitions (discarded 4444 similar events)
[2025-06-07 03:14:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 03:14:26] [INFO ] [Real]Absence check using 2 positive place invariants in 8 ms returned sat
[2025-06-07 03:14:26] [INFO ] [Real]Absence check using 2 positive and 20 generalized place invariants in 3 ms returned sat
[2025-06-07 03:14:27] [INFO ] [Real]Absence check using state equation in 249 ms returned sat
[2025-06-07 03:14:27] [INFO ] State equation strengthened by 609 read => feed constraints.
[2025-06-07 03:14:27] [INFO ] [Real]Added 609 Read/Feed constraints in 222 ms returned sat
[2025-06-07 03:14:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 03:14:27] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2025-06-07 03:14:27] [INFO ] [Nat]Absence check using 2 positive and 20 generalized place invariants in 2 ms returned sat
[2025-06-07 03:14:27] [INFO ] [Nat]Absence check using state equation in 215 ms returned sat
[2025-06-07 03:14:28] [INFO ] [Nat]Added 609 Read/Feed constraints in 208 ms returned sat
[2025-06-07 03:14:28] [INFO ] Computed and/alt/rep : 121/582/117 causal constraints (skipped 497 transitions) in 280 ms.
[2025-06-07 03:14:28] [INFO ] Added : 2 causal constraints over 1 iterations in 447 ms. Result :sat
Minimization took 594 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 03:14:29] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 03:14:29] [INFO ] [Real]Absence check using 2 positive and 20 generalized place invariants in 4 ms returned sat
[2025-06-07 03:14:29] [INFO ] [Real]Absence check using state equation in 205 ms returned sat
[2025-06-07 03:14:29] [INFO ] [Real]Added 609 Read/Feed constraints in 204 ms returned sat
[2025-06-07 03:14:29] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 03:14:29] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2025-06-07 03:14:29] [INFO ] [Nat]Absence check using 2 positive and 20 generalized place invariants in 3 ms returned sat
[2025-06-07 03:14:29] [INFO ] [Nat]Absence check using state equation in 207 ms returned sat
[2025-06-07 03:14:30] [INFO ] [Nat]Added 609 Read/Feed constraints in 187 ms returned sat
[2025-06-07 03:14:30] [INFO ] Computed and/alt/rep : 121/582/117 causal constraints (skipped 497 transitions) in 283 ms.
[2025-06-07 03:14:30] [INFO ] Added : 2 causal constraints over 2 iterations in 488 ms. Result :sat
Minimization took 589 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 03:14:31] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 03:14:31] [INFO ] [Real]Absence check using 2 positive and 20 generalized place invariants in 4 ms returned sat
[2025-06-07 03:14:31] [INFO ] [Real]Absence check using state equation in 218 ms returned sat
[2025-06-07 03:14:31] [INFO ] [Real]Added 609 Read/Feed constraints in 203 ms returned sat
[2025-06-07 03:14:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 03:14:31] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2025-06-07 03:14:31] [INFO ] [Nat]Absence check using 2 positive and 20 generalized place invariants in 3 ms returned sat
[2025-06-07 03:14:32] [INFO ] [Nat]Absence check using state equation in 213 ms returned sat
[2025-06-07 03:14:32] [INFO ] [Nat]Added 609 Read/Feed constraints in 203 ms returned sat
[2025-06-07 03:14:32] [INFO ] Computed and/alt/rep : 121/582/117 causal constraints (skipped 497 transitions) in 125 ms.
[2025-06-07 03:14:32] [INFO ] Added : 2 causal constraints over 1 iterations in 269 ms. Result :sat
Minimization took 588 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 03:14:33] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2025-06-07 03:14:33] [INFO ] [Real]Absence check using 2 positive and 20 generalized place invariants in 3 ms returned sat
[2025-06-07 03:14:33] [INFO ] [Real]Absence check using state equation in 185 ms returned sat
[2025-06-07 03:14:33] [INFO ] [Real]Added 609 Read/Feed constraints in 187 ms returned sat
[2025-06-07 03:14:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 03:14:33] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2025-06-07 03:14:33] [INFO ] [Nat]Absence check using 2 positive and 20 generalized place invariants in 3 ms returned sat
[2025-06-07 03:14:33] [INFO ] [Nat]Absence check using state equation in 211 ms returned sat
[2025-06-07 03:14:34] [INFO ] [Nat]Added 609 Read/Feed constraints in 204 ms returned sat
[2025-06-07 03:14:34] [INFO ] Computed and/alt/rep : 121/582/117 causal constraints (skipped 497 transitions) in 124 ms.
[2025-06-07 03:14:34] [INFO ] Added : 1 causal constraints over 1 iterations in 254 ms. Result :sat
Minimization took 589 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 03:14:35] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 03:14:35] [INFO ] [Real]Absence check using 2 positive and 20 generalized place invariants in 3 ms returned sat
[2025-06-07 03:14:35] [INFO ] [Real]Absence check using state equation in 184 ms returned sat
[2025-06-07 03:14:35] [INFO ] [Real]Added 609 Read/Feed constraints in 187 ms returned sat
[2025-06-07 03:14:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 03:14:35] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 03:14:35] [INFO ] [Nat]Absence check using 2 positive and 20 generalized place invariants in 2 ms returned sat
[2025-06-07 03:14:35] [INFO ] [Nat]Absence check using state equation in 185 ms returned sat
[2025-06-07 03:14:35] [INFO ] [Nat]Added 609 Read/Feed constraints in 195 ms returned sat
[2025-06-07 03:14:36] [INFO ] Computed and/alt/rep : 121/582/117 causal constraints (skipped 497 transitions) in 122 ms.
[2025-06-07 03:14:36] [INFO ] Added : 2 causal constraints over 1 iterations in 257 ms. Result :sat
Minimization took 605 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 03:14:36] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 03:14:36] [INFO ] [Real]Absence check using 2 positive and 20 generalized place invariants in 3 ms returned sat
[2025-06-07 03:14:37] [INFO ] [Real]Absence check using state equation in 213 ms returned sat
[2025-06-07 03:14:37] [INFO ] [Real]Added 609 Read/Feed constraints in 199 ms returned sat
[2025-06-07 03:14:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 03:14:37] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 03:14:37] [INFO ] [Nat]Absence check using 2 positive and 20 generalized place invariants in 2 ms returned sat
[2025-06-07 03:14:37] [INFO ] [Nat]Absence check using state equation in 195 ms returned sat
[2025-06-07 03:14:37] [INFO ] [Nat]Added 609 Read/Feed constraints in 202 ms returned sat
[2025-06-07 03:14:37] [INFO ] Computed and/alt/rep : 121/582/117 causal constraints (skipped 497 transitions) in 132 ms.
[2025-06-07 03:14:38] [INFO ] Added : 1 causal constraints over 1 iterations in 260 ms. Result :sat
Minimization took 601 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 03:14:38] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2025-06-07 03:14:38] [INFO ] [Real]Absence check using 2 positive and 20 generalized place invariants in 3 ms returned sat
[2025-06-07 03:14:38] [INFO ] [Real]Absence check using state equation in 181 ms returned sat
[2025-06-07 03:14:39] [INFO ] [Real]Added 609 Read/Feed constraints in 187 ms returned sat
[2025-06-07 03:14:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 03:14:39] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2025-06-07 03:14:39] [INFO ] [Nat]Absence check using 2 positive and 20 generalized place invariants in 3 ms returned sat
[2025-06-07 03:14:39] [INFO ] [Nat]Absence check using state equation in 199 ms returned sat
[2025-06-07 03:14:39] [INFO ] [Nat]Added 609 Read/Feed constraints in 200 ms returned sat
[2025-06-07 03:14:39] [INFO ] Computed and/alt/rep : 121/582/117 causal constraints (skipped 497 transitions) in 126 ms.
[2025-06-07 03:14:39] [INFO ] Added : 2 causal constraints over 1 iterations in 254 ms. Result :sat
Minimization took 602 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 03:14:40] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 03:14:40] [INFO ] [Real]Absence check using 2 positive and 20 generalized place invariants in 2 ms returned sat
[2025-06-07 03:14:40] [INFO ] [Real]Absence check using state equation in 169 ms returned sat
[2025-06-07 03:14:40] [INFO ] [Real]Added 609 Read/Feed constraints in 186 ms returned sat
[2025-06-07 03:14:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 03:14:41] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 03:14:41] [INFO ] [Nat]Absence check using 2 positive and 20 generalized place invariants in 2 ms returned sat
[2025-06-07 03:14:41] [INFO ] [Nat]Absence check using state equation in 205 ms returned sat
[2025-06-07 03:14:41] [INFO ] [Nat]Added 609 Read/Feed constraints in 206 ms returned sat
[2025-06-07 03:14:41] [INFO ] Computed and/alt/rep : 121/582/117 causal constraints (skipped 497 transitions) in 118 ms.
[2025-06-07 03:14:41] [INFO ] Added : 2 causal constraints over 1 iterations in 248 ms. Result :sat
Minimization took 605 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 03:14:42] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2025-06-07 03:14:42] [INFO ] [Real]Absence check using 2 positive and 20 generalized place invariants in 6 ms returned sat
[2025-06-07 03:14:42] [INFO ] [Real]Absence check using state equation in 220 ms returned sat
[2025-06-07 03:14:42] [INFO ] [Real]Added 609 Read/Feed constraints in 198 ms returned sat
[2025-06-07 03:14:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 03:14:42] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 03:14:42] [INFO ] [Nat]Absence check using 2 positive and 20 generalized place invariants in 2 ms returned sat
[2025-06-07 03:14:43] [INFO ] [Nat]Absence check using state equation in 176 ms returned sat
[2025-06-07 03:14:43] [INFO ] [Nat]Added 609 Read/Feed constraints in 194 ms returned sat
[2025-06-07 03:14:43] [INFO ] Computed and/alt/rep : 121/582/117 causal constraints (skipped 497 transitions) in 114 ms.
[2025-06-07 03:14:43] [INFO ] Added : 1 causal constraints over 1 iterations in 238 ms. Result :sat
Minimization took 596 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 03:14:44] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2025-06-07 03:14:44] [INFO ] [Real]Absence check using 2 positive and 20 generalized place invariants in 2 ms returned sat
[2025-06-07 03:14:44] [INFO ] [Real]Absence check using state equation in 209 ms returned sat
[2025-06-07 03:14:44] [INFO ] [Real]Added 609 Read/Feed constraints in 192 ms returned sat
[2025-06-07 03:14:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 03:14:44] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2025-06-07 03:14:44] [INFO ] [Nat]Absence check using 2 positive and 20 generalized place invariants in 3 ms returned sat
[2025-06-07 03:14:44] [INFO ] [Nat]Absence check using state equation in 207 ms returned sat
[2025-06-07 03:14:45] [INFO ] [Nat]Added 609 Read/Feed constraints in 201 ms returned sat
[2025-06-07 03:14:45] [INFO ] Computed and/alt/rep : 121/582/117 causal constraints (skipped 497 transitions) in 126 ms.
[2025-06-07 03:14:45] [INFO ] Added : 1 causal constraints over 1 iterations in 258 ms. Result :sat
Minimization took 610 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 03:14:46] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 03:14:46] [INFO ] [Real]Absence check using 2 positive and 20 generalized place invariants in 2 ms returned sat
[2025-06-07 03:14:46] [INFO ] [Real]Absence check using state equation in 181 ms returned sat
[2025-06-07 03:14:46] [INFO ] [Real]Added 609 Read/Feed constraints in 187 ms returned sat
[2025-06-07 03:14:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 03:14:46] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2025-06-07 03:14:46] [INFO ] [Nat]Absence check using 2 positive and 20 generalized place invariants in 2 ms returned sat
[2025-06-07 03:14:46] [INFO ] [Nat]Absence check using state equation in 202 ms returned sat
[2025-06-07 03:14:47] [INFO ] [Nat]Added 609 Read/Feed constraints in 198 ms returned sat
[2025-06-07 03:14:47] [INFO ] Computed and/alt/rep : 121/582/117 causal constraints (skipped 497 transitions) in 133 ms.
[2025-06-07 03:14:47] [INFO ] Added : 1 causal constraints over 1 iterations in 268 ms. Result :sat
Minimization took 600 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 03:14:47] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2025-06-07 03:14:47] [INFO ] [Real]Absence check using 2 positive and 20 generalized place invariants in 3 ms returned sat
[2025-06-07 03:14:48] [INFO ] [Real]Absence check using state equation in 182 ms returned sat
[2025-06-07 03:14:48] [INFO ] [Real]Added 609 Read/Feed constraints in 187 ms returned sat
[2025-06-07 03:14:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 03:14:48] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2025-06-07 03:14:48] [INFO ] [Nat]Absence check using 2 positive and 20 generalized place invariants in 2 ms returned sat
[2025-06-07 03:14:48] [INFO ] [Nat]Absence check using state equation in 184 ms returned sat
[2025-06-07 03:14:48] [INFO ] [Nat]Added 609 Read/Feed constraints in 207 ms returned sat
[2025-06-07 03:14:48] [INFO ] Computed and/alt/rep : 121/582/117 causal constraints (skipped 497 transitions) in 111 ms.
[2025-06-07 03:14:49] [INFO ] Added : 1 causal constraints over 1 iterations in 252 ms. Result :sat
Minimization took 604 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 03:14:49] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2025-06-07 03:14:49] [INFO ] [Real]Absence check using 2 positive and 20 generalized place invariants in 2 ms returned sat
[2025-06-07 03:14:49] [INFO ] [Real]Absence check using state equation in 177 ms returned sat
[2025-06-07 03:14:50] [INFO ] [Real]Added 609 Read/Feed constraints in 188 ms returned sat
[2025-06-07 03:14:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 03:14:50] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2025-06-07 03:14:50] [INFO ] [Nat]Absence check using 2 positive and 20 generalized place invariants in 2 ms returned sat
[2025-06-07 03:14:50] [INFO ] [Nat]Absence check using state equation in 176 ms returned sat
[2025-06-07 03:14:50] [INFO ] [Nat]Added 609 Read/Feed constraints in 194 ms returned sat
[2025-06-07 03:14:50] [INFO ] Computed and/alt/rep : 121/582/117 causal constraints (skipped 497 transitions) in 114 ms.
[2025-06-07 03:14:50] [INFO ] Added : 2 causal constraints over 1 iterations in 249 ms. Result :sat
Minimization took 594 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7, 6, 23, 46, 18, 54, 23, 39, 16, 32, 24, 12, 28] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7, 6, 23, 46, 18, 54, 23, 39, 16, 32, 24, 12, 28] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 13 out of 359 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 359/359 places, 5638/5638 transitions.
Graph (complete) has 2449 edges and 359 vertex of which 217 are kept as prefixes of interest. Removing 142 places using SCC suffix rule.22 ms
Discarding 142 places :
Also discarding 58 output transitions
Drop transitions (Output transitions of discarded places.) removed 58 transitions
Drop transitions (Empty/Sink Transition effects.) removed 411 transitions
Ensure Unique test removed 669 transitions
Reduce isomorphic transitions removed 1080 transitions.
Iterating post reduction 0 with 1080 rules applied. Total rules applied 1081 place count 217 transition count 4500
Discarding 34 places :
Symmetric choice reduction at 1 with 34 rule applications. Total rules 1115 place count 183 transition count 2906
Iterating global reduction 1 with 34 rules applied. Total rules applied 1149 place count 183 transition count 2906
Ensure Unique test removed 532 transitions
Reduce isomorphic transitions removed 532 transitions.
Iterating post reduction 1 with 532 rules applied. Total rules applied 1681 place count 183 transition count 2374
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 1683 place count 181 transition count 2350
Iterating global reduction 2 with 2 rules applied. Total rules applied 1685 place count 181 transition count 2350
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 2 with 49 rules applied. Total rules applied 1734 place count 181 transition count 2301
Drop transitions (Redundant composition of simpler transitions.) removed 442 transitions
Redundant transition composition rules discarded 442 transitions
Iterating global reduction 3 with 442 rules applied. Total rules applied 2176 place count 181 transition count 1859
Reduce places removed 23 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 39 transitions
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 65 transitions.
Graph (complete) has 811 edges and 158 vertex of which 157 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 3 with 89 rules applied. Total rules applied 2265 place count 157 transition count 1794
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 4 with 7 rules applied. Total rules applied 2272 place count 157 transition count 1787
Discarding 8 places :
Symmetric choice reduction at 5 with 8 rule applications. Total rules 2280 place count 149 transition count 1464
Iterating global reduction 5 with 8 rules applied. Total rules applied 2288 place count 149 transition count 1464
Ensure Unique test removed 84 transitions
Reduce isomorphic transitions removed 84 transitions.
Iterating post reduction 5 with 84 rules applied. Total rules applied 2372 place count 149 transition count 1380
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 2373 place count 148 transition count 1284
Iterating global reduction 6 with 1 rules applied. Total rules applied 2374 place count 148 transition count 1284
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 2375 place count 148 transition count 1283
Drop transitions (Redundant composition of simpler transitions.) removed 88 transitions
Redundant transition composition rules discarded 88 transitions
Iterating global reduction 7 with 88 rules applied. Total rules applied 2463 place count 148 transition count 1195
Graph (complete) has 727 edges and 148 vertex of which 143 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.1 ms
Discarding 5 places :
Also discarding 0 output transitions
Iterating post reduction 7 with 1 rules applied. Total rules applied 2464 place count 143 transition count 1195
Drop transitions (Empty/Sink Transition effects.) removed 19 transitions
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 34 transitions.
Iterating post reduction 8 with 34 rules applied. Total rules applied 2498 place count 143 transition count 1161
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 9 with 1 rules applied. Total rules applied 2499 place count 143 transition count 1160
Free-agglomeration rule applied 2 times.
Iterating global reduction 9 with 2 rules applied. Total rules applied 2501 place count 143 transition count 1158
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 2503 place count 141 transition count 1158
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 10 with 2 rules applied. Total rules applied 2505 place count 141 transition count 1156
Reduce places removed 2 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 10 with 6 rules applied. Total rules applied 2511 place count 139 transition count 1152
Discarding 1 places :
Symmetric choice reduction at 11 with 1 rule applications. Total rules 2512 place count 138 transition count 1150
Iterating global reduction 11 with 1 rules applied. Total rules applied 2513 place count 138 transition count 1150
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 11 with 16 rules applied. Total rules applied 2529 place count 138 transition count 1134
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 12 with 8 rules applied. Total rules applied 2537 place count 138 transition count 1126
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Graph (complete) has 647 edges and 137 vertex of which 130 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.0 ms
Discarding 7 places :
Also discarding 0 output transitions
Iterating post reduction 12 with 3 rules applied. Total rules applied 2540 place count 130 transition count 1125
Drop transitions (Empty/Sink Transition effects.) removed 13 transitions
Ensure Unique test removed 57 transitions
Reduce isomorphic transitions removed 70 transitions.
Iterating post reduction 13 with 70 rules applied. Total rules applied 2610 place count 130 transition count 1055
Discarding 2 places :
Symmetric choice reduction at 14 with 2 rule applications. Total rules 2612 place count 128 transition count 1015
Iterating global reduction 14 with 2 rules applied. Total rules applied 2614 place count 128 transition count 1015
Ensure Unique test removed 66 transitions
Reduce isomorphic transitions removed 66 transitions.
Iterating post reduction 14 with 66 rules applied. Total rules applied 2680 place count 128 transition count 949
Drop transitions (Redundant composition of simpler transitions.) removed 69 transitions
Redundant transition composition rules discarded 69 transitions
Iterating global reduction 15 with 69 rules applied. Total rules applied 2749 place count 128 transition count 880
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 15 with 2 rules applied. Total rules applied 2751 place count 128 transition count 880
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 15 with 2 rules applied. Total rules applied 2753 place count 128 transition count 878
Applied a total of 2753 rules in 641 ms. Remains 128 /359 variables (removed 231) and now considering 878/5638 (removed 4760) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 652 ms. Remains : 128/359 places, 878/5638 transitions.
[2025-06-07 03:14:52] [INFO ] Flow matrix only has 372 transitions (discarded 506 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {238=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {9=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 359 ms. (steps per millisecond=27 ) properties (out of 13) seen :[2147483647, 2147483647, 2147483647, 2147483647, 2147483647, 2147483647, 2147483647, 2147483647, 2147483647, 2147483647, 2147483647, 2147483647, 2147483647]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-07 03:14:52] [INFO ] Flow matrix only has 372 transitions (discarded 506 similar events)
// Phase 1: matrix 372 rows 128 cols
[2025-06-07 03:14:52] [INFO ] Computed 0 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000049 steps (2 resets) in 5003 ms. (199 steps per ms)
FORMULA SemanticWebServices-PT-S256P09-UpperBounds-15 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SemanticWebServices-PT-S256P09-UpperBounds-14 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SemanticWebServices-PT-S256P09-UpperBounds-13 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SemanticWebServices-PT-S256P09-UpperBounds-12 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SemanticWebServices-PT-S256P09-UpperBounds-11 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SemanticWebServices-PT-S256P09-UpperBounds-09 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SemanticWebServices-PT-S256P09-UpperBounds-08 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SemanticWebServices-PT-S256P09-UpperBounds-07 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SemanticWebServices-PT-S256P09-UpperBounds-06 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SemanticWebServices-PT-S256P09-UpperBounds-05 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SemanticWebServices-PT-S256P09-UpperBounds-03 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SemanticWebServices-PT-S256P09-UpperBounds-02 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SemanticWebServices-PT-S256P09-UpperBounds-00 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2025-06-07 03:14:57] [INFO ] Flatten gal took : 77 ms
[2025-06-07 03:14:57] [INFO ] Flatten gal took : 44 ms
[2025-06-07 03:14:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17869151589282221921.gal : 26 ms
[2025-06-07 03:14:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12643622187992245328.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17869151589282221921.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12643622187992245328.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 33710 ms.

BK_STOP 1749266098045

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="SemanticWebServices-PT-S256P09"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is SemanticWebServices-PT-S256P09, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r184-tall-174889265100933"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SemanticWebServices-PT-S256P09.tgz
mv SemanticWebServices-PT-S256P09 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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