About the Execution of ITS-Tools for JoinFreeModules-PT-0050
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2026-input.r162-smll-177961107700181.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
..................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is JoinFreeModules-PT-0050, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r162-smll-177961107700181
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 640K
-rw-r--r-- 1 mcc users 7.2K Mar 7 15:42 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Mar 7 15:42 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Mar 7 15:42 CTLFireability.txt
-rw-r--r-- 1 mcc users 71K Mar 7 15:42 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 11:04 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 11:04 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 11:04 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 11:04 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 7 15:42 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 105K Mar 7 15:42 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 7 15:42 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 103K Mar 7 15:42 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 11:04 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 11:04 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 152K Mar 3 18:30 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of positive values
NUM_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-00
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-01
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-02
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-03
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-04
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-05
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-06
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-07
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-08
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-09
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-10
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-11
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-12
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-13
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-14
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779741500016
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=JoinFreeModules-PT-0050
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-25 20:38:22] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-25 20:38:22] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 20:38:23] [INFO ] Load time of PNML (sax parser for PT used): 314 ms
[2026-05-25 20:38:23] [INFO ] Transformed 251 places.
[2026-05-25 20:38:23] [INFO ] Transformed 401 transitions.
[2026-05-25 20:38:23] [INFO ] Parsed PT model containing 251 places and 401 transitions and 1152 arcs in 583 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 16 ms.
Reduce places removed 1 places and 0 transitions.
Current structural bounds on expressions (Initially) : Max Seen:[1, 0, 0, 0, 0, 0, 1, 2, 1, 0, 2, 0, 2, 2, 2, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1, 0, 0, 0, 0, 0, 1, 2, 1, 0, 2, 0, 2, 2, 2, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17492861741175148677.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2293409270966254616.kers'
[2026-05-25 20:38:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17492861741175148677.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2293409270966254616.kers]
Normalized transition count is 400 out of 401 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 400 rows 250 cols 1000 entries
Finished phase 1 with 200 SingleSign rule and 0 generalized
[2026-05-25 20:38:23] [INFO ] Computed 50 invariants in 3 ms
Computed 50 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-2293409270966254616.kers
Total runtime 5 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1, 0, 0, 0, 0, 0, 1, 2, 1, 0, 2, 0, 2, 2, 2, 1] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
RANDOM walk for 10003 steps (2 resets) in 161 ms. (61 steps per ms)
BEST_FIRST walk for 160016 steps (32 resets) in 1029 ms. (155 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[34, 43, 42, 49, 49, 28, 51, 40, 51, 49, 27, 49, 39, 25, 47, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
[2026-05-25 20:38:24] [INFO ] Invariant cache hit.
[2026-05-25 20:38:25] [INFO ] [Real]Absence check using 50 positive place invariants in 44 ms returned sat
[2026-05-25 20:38:25] [INFO ] [Real]Absence check using state equation in 404 ms returned sat
[2026-05-25 20:38:25] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:38:25] [INFO ] [Nat]Absence check using 50 positive place invariants in 35 ms returned sat
[2026-05-25 20:38:26] [INFO ] [Nat]Absence check using state equation in 393 ms returned sat
[2026-05-25 20:38:26] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-25 20:38:26] [INFO ] [Nat]Added 50 Read/Feed constraints in 88 ms returned sat
[2026-05-25 20:38:26] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 68 ms.
[2026-05-25 20:38:27] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 122 ms
[2026-05-25 20:38:27] [INFO ] Added : 76 causal constraints over 17 iterations in 1101 ms. Result :sat
Minimization took 148 ms.
[2026-05-25 20:38:27] [INFO ] [Real]Absence check using 50 positive place invariants in 28 ms returned sat
[2026-05-25 20:38:28] [INFO ] [Real]Absence check using state equation in 311 ms returned sat
[2026-05-25 20:38:28] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:38:28] [INFO ] [Nat]Absence check using 50 positive place invariants in 29 ms returned sat
[2026-05-25 20:38:28] [INFO ] [Nat]Absence check using state equation in 451 ms returned sat
[2026-05-25 20:38:28] [INFO ] [Nat]Added 50 Read/Feed constraints in 65 ms returned sat
[2026-05-25 20:38:28] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 56 ms.
[2026-05-25 20:38:29] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 279 ms
[2026-05-25 20:38:30] [INFO ] Added : 81 causal constraints over 17 iterations in 1151 ms. Result :sat
Minimization took 248 ms.
[2026-05-25 20:38:30] [INFO ] [Real]Absence check using 50 positive place invariants in 26 ms returned sat
[2026-05-25 20:38:30] [INFO ] [Real]Absence check using state equation in 280 ms returned sat
[2026-05-25 20:38:30] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:38:30] [INFO ] [Nat]Absence check using 50 positive place invariants in 27 ms returned sat
[2026-05-25 20:38:31] [INFO ] [Nat]Absence check using state equation in 327 ms returned sat
[2026-05-25 20:38:31] [INFO ] [Nat]Added 50 Read/Feed constraints in 115 ms returned sat
[2026-05-25 20:38:31] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 39 ms.
[2026-05-25 20:38:32] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 140 ms
[2026-05-25 20:38:32] [INFO ] Added : 84 causal constraints over 20 iterations in 718 ms. Result :sat
Minimization took 167 ms.
[2026-05-25 20:38:32] [INFO ] [Real]Absence check using 50 positive place invariants in 13 ms returned sat
[2026-05-25 20:38:32] [INFO ] [Real]Absence check using state equation in 168 ms returned sat
[2026-05-25 20:38:32] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:38:32] [INFO ] [Nat]Absence check using 50 positive place invariants in 23 ms returned sat
[2026-05-25 20:38:32] [INFO ] [Nat]Absence check using state equation in 256 ms returned sat
[2026-05-25 20:38:33] [INFO ] [Nat]Added 50 Read/Feed constraints in 180 ms returned sat
[2026-05-25 20:38:33] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 52 ms.
[2026-05-25 20:38:34] [INFO ] Added : 97 causal constraints over 21 iterations in 963 ms. Result :sat
Minimization took 173 ms.
[2026-05-25 20:38:34] [INFO ] [Real]Absence check using 50 positive place invariants in 25 ms returned sat
[2026-05-25 20:38:34] [INFO ] [Real]Absence check using state equation in 230 ms returned sat
[2026-05-25 20:38:34] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:38:34] [INFO ] [Nat]Absence check using 50 positive place invariants in 26 ms returned sat
[2026-05-25 20:38:35] [INFO ] [Nat]Absence check using state equation in 266 ms returned sat
[2026-05-25 20:38:35] [INFO ] [Nat]Added 50 Read/Feed constraints in 112 ms returned sat
[2026-05-25 20:38:35] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 46 ms.
[2026-05-25 20:38:36] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 173 ms
[2026-05-25 20:38:36] [INFO ] Added : 101 causal constraints over 22 iterations in 1211 ms. Result :sat
Minimization took 180 ms.
[2026-05-25 20:38:36] [INFO ] [Real]Absence check using 50 positive place invariants in 24 ms returned sat
[2026-05-25 20:38:36] [INFO ] [Real]Absence check using state equation in 231 ms returned sat
[2026-05-25 20:38:36] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:38:37] [INFO ] [Nat]Absence check using 50 positive place invariants in 23 ms returned sat
[2026-05-25 20:38:37] [INFO ] [Nat]Absence check using state equation in 385 ms returned sat
[2026-05-25 20:38:37] [INFO ] [Nat]Added 50 Read/Feed constraints in 22 ms returned sat
[2026-05-25 20:38:37] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 41 ms.
[2026-05-25 20:38:38] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 154 ms
[2026-05-25 20:38:38] [INFO ] Added : 90 causal constraints over 19 iterations in 843 ms. Result :sat
Minimization took 358 ms.
[2026-05-25 20:38:38] [INFO ] [Real]Absence check using 50 positive place invariants in 27 ms returned sat
[2026-05-25 20:38:39] [INFO ] [Real]Absence check using state equation in 243 ms returned sat
[2026-05-25 20:38:39] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:38:39] [INFO ] [Nat]Absence check using 50 positive place invariants in 26 ms returned sat
[2026-05-25 20:38:39] [INFO ] [Nat]Absence check using state equation in 368 ms returned sat
[2026-05-25 20:38:39] [INFO ] [Nat]Added 50 Read/Feed constraints in 70 ms returned sat
[2026-05-25 20:38:39] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 48 ms.
[2026-05-25 20:38:40] [INFO ] Added : 74 causal constraints over 17 iterations in 793 ms. Result :sat
Minimization took 147 ms.
[2026-05-25 20:38:40] [INFO ] [Real]Absence check using 50 positive place invariants in 25 ms returned sat
[2026-05-25 20:38:40] [INFO ] [Real]Absence check using state equation in 241 ms returned sat
[2026-05-25 20:38:41] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:38:41] [INFO ] [Nat]Absence check using 50 positive place invariants in 25 ms returned sat
[2026-05-25 20:38:41] [INFO ] [Nat]Absence check using state equation in 224 ms returned sat
[2026-05-25 20:38:41] [INFO ] [Nat]Added 50 Read/Feed constraints in 43 ms returned sat
[2026-05-25 20:38:41] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 37 ms.
[2026-05-25 20:38:42] [INFO ] Added : 136 causal constraints over 28 iterations in 1155 ms. Result :sat
Minimization took 168 ms.
[2026-05-25 20:38:42] [INFO ] [Real]Absence check using 50 positive place invariants in 16 ms returned sat
[2026-05-25 20:38:42] [INFO ] [Real]Absence check using state equation in 150 ms returned sat
[2026-05-25 20:38:42] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:38:43] [INFO ] [Nat]Absence check using 50 positive place invariants in 15 ms returned sat
[2026-05-25 20:38:43] [INFO ] [Nat]Absence check using state equation in 196 ms returned sat
[2026-05-25 20:38:43] [INFO ] [Nat]Added 50 Read/Feed constraints in 19 ms returned sat
[2026-05-25 20:38:43] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 26 ms.
[2026-05-25 20:38:44] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 113 ms
[2026-05-25 20:38:44] [INFO ] Added : 99 causal constraints over 21 iterations in 753 ms. Result :sat
Minimization took 189 ms.
[2026-05-25 20:38:44] [INFO ] [Real]Absence check using 50 positive place invariants in 24 ms returned sat
[2026-05-25 20:38:44] [INFO ] [Real]Absence check using state equation in 221 ms returned sat
[2026-05-25 20:38:44] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:38:44] [INFO ] [Nat]Absence check using 50 positive place invariants in 23 ms returned sat
[2026-05-25 20:38:45] [INFO ] [Nat]Absence check using state equation in 316 ms returned sat
[2026-05-25 20:38:45] [INFO ] [Nat]Added 50 Read/Feed constraints in 41 ms returned sat
[2026-05-25 20:38:45] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 38 ms.
[2026-05-25 20:38:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 67 ms
[2026-05-25 20:38:45] [INFO ] Added : 79 causal constraints over 18 iterations in 597 ms. Result :sat
Minimization took 147 ms.
[2026-05-25 20:38:45] [INFO ] [Real]Absence check using 50 positive place invariants in 24 ms returned sat
[2026-05-25 20:38:46] [INFO ] [Real]Absence check using state equation in 219 ms returned sat
[2026-05-25 20:38:46] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:38:46] [INFO ] [Nat]Absence check using 50 positive place invariants in 27 ms returned sat
[2026-05-25 20:38:46] [INFO ] [Nat]Absence check using state equation in 298 ms returned sat
[2026-05-25 20:38:46] [INFO ] [Nat]Added 50 Read/Feed constraints in 58 ms returned sat
[2026-05-25 20:38:46] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 54 ms.
[2026-05-25 20:38:47] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 202 ms
[2026-05-25 20:38:47] [INFO ] Added : 86 causal constraints over 19 iterations in 1167 ms. Result :sat
Minimization took 278 ms.
[2026-05-25 20:38:48] [INFO ] [Real]Absence check using 50 positive place invariants in 25 ms returned sat
[2026-05-25 20:38:48] [INFO ] [Real]Absence check using state equation in 237 ms returned sat
[2026-05-25 20:38:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:38:48] [INFO ] [Nat]Absence check using 50 positive place invariants in 25 ms returned sat
[2026-05-25 20:38:49] [INFO ] [Nat]Absence check using state equation in 418 ms returned sat
[2026-05-25 20:38:49] [INFO ] [Nat]Added 50 Read/Feed constraints in 55 ms returned sat
[2026-05-25 20:38:49] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 26 ms.
[2026-05-25 20:38:49] [INFO ] Added : 59 causal constraints over 12 iterations in 330 ms. Result :sat
Minimization took 88 ms.
[2026-05-25 20:38:49] [INFO ] [Real]Absence check using 50 positive place invariants in 24 ms returned sat
[2026-05-25 20:38:49] [INFO ] [Real]Absence check using state equation in 244 ms returned sat
[2026-05-25 20:38:49] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:38:50] [INFO ] [Nat]Absence check using 50 positive place invariants in 24 ms returned sat
[2026-05-25 20:38:50] [INFO ] [Nat]Absence check using state equation in 293 ms returned sat
[2026-05-25 20:38:50] [INFO ] [Nat]Added 50 Read/Feed constraints in 28 ms returned sat
[2026-05-25 20:38:50] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 42 ms.
[2026-05-25 20:38:51] [INFO ] Added : 109 causal constraints over 24 iterations in 1058 ms. Result :sat
Minimization took 217 ms.
[2026-05-25 20:38:51] [INFO ] [Real]Absence check using 50 positive place invariants in 19 ms returned sat
[2026-05-25 20:38:51] [INFO ] [Real]Absence check using state equation in 160 ms returned sat
[2026-05-25 20:38:51] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:38:52] [INFO ] [Nat]Absence check using 50 positive place invariants in 16 ms returned sat
[2026-05-25 20:38:52] [INFO ] [Nat]Absence check using state equation in 253 ms returned sat
[2026-05-25 20:38:52] [INFO ] [Nat]Added 50 Read/Feed constraints in 49 ms returned sat
[2026-05-25 20:38:52] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 26 ms.
[2026-05-25 20:38:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 98 ms
[2026-05-25 20:38:53] [INFO ] Added : 94 causal constraints over 21 iterations in 896 ms. Result :sat
Minimization took 292 ms.
[2026-05-25 20:38:53] [INFO ] [Real]Absence check using 50 positive place invariants in 23 ms returned sat
[2026-05-25 20:38:53] [INFO ] [Real]Absence check using state equation in 209 ms returned sat
[2026-05-25 20:38:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:38:54] [INFO ] [Nat]Absence check using 50 positive place invariants in 23 ms returned sat
[2026-05-25 20:38:54] [INFO ] [Nat]Absence check using state equation in 348 ms returned sat
[2026-05-25 20:38:54] [INFO ] [Nat]Added 50 Read/Feed constraints in 12 ms returned sat
[2026-05-25 20:38:54] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 41 ms.
[2026-05-25 20:38:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 96 ms
[2026-05-25 20:38:55] [INFO ] Added : 98 causal constraints over 22 iterations in 1093 ms. Result :sat
Minimization took 194 ms.
[2026-05-25 20:38:55] [INFO ] [Real]Absence check using 50 positive place invariants in 24 ms returned sat
[2026-05-25 20:38:56] [INFO ] [Real]Absence check using state equation in 232 ms returned sat
[2026-05-25 20:38:56] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:38:56] [INFO ] [Nat]Absence check using 50 positive place invariants in 25 ms returned sat
[2026-05-25 20:38:56] [INFO ] [Nat]Absence check using state equation in 302 ms returned sat
[2026-05-25 20:38:56] [INFO ] [Nat]Added 50 Read/Feed constraints in 15 ms returned sat
[2026-05-25 20:38:56] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 45 ms.
[2026-05-25 20:38:57] [INFO ] Added : 86 causal constraints over 18 iterations in 886 ms. Result :sat
Minimization took 154 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[34, 43, 42, 49, 49, 28, 51, 40, 51, 49, 27, 49, 39, 25, 47, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[51, 52, 51, 49, 49, 51, 51, 52, 51, 49, 52, 49, 52, 52, 52, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
Support contains 16 out of 250 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 250/250 places, 401/401 transitions.
Graph (complete) has 600 edges and 250 vertex of which 75 are kept as prefixes of interest. Removing 175 places using SCC suffix rule.2 ms
Discarding 175 places :
Also discarding 280 output transitions
Drop transitions (Output transitions of discarded places.) removed 280 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 75 transition count 120
Applied a total of 2 rules in 45 ms. Remains 75 /250 variables (removed 175) and now considering 120/401 (removed 281) transitions.
Running 90 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16243677269980737464.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15744966985975923901.kers'
[2026-05-25 20:39:35] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16243677269980737464.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15744966985975923901.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 120 rows 75 cols 300 entries
Finished phase 1 with 60 SingleSign rule and 0 generalized
[2026-05-25 20:39:35] [INFO ] Computed 15 invariants in 0 ms
Computed 15 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-15744966985975923901.kers
Total runtime 1 ms.
[2026-05-25 20:39:35] [INFO ] State equation strengthened by 15 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 1 (OVERLAPS) 15/75 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 3 (OVERLAPS) 120/195 variables, 75/90 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/195 variables, 15/105 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/195 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 6 (OVERLAPS) 0/195 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 90 unsolved
No progress, stopping.
After SMT solving in domain Real declared 195/195 variables, and 105 constraints, problems are : Problem set: 0 solved, 90 unsolved in 4591 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 75/75 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 90/90 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 90 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 1 (OVERLAPS) 15/75 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 3 (OVERLAPS) 120/195 variables, 75/90 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/195 variables, 15/105 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/195 variables, 90/195 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/195 variables, 1/196 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/195 variables, 2/198 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/195 variables, 1/199 constraints. Problems are: Problem set: 0 solved, 90 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 195/195 variables, and 199 constraints, problems are : Problem set: 0 solved, 90 unsolved in 20019 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 75/75 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 90/90 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 24677ms problems are : Problem set: 0 solved, 90 unsolved
Search for dead transitions found 0 dead transitions in 24690ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24777 ms. Remains : 75/250 places, 120/401 transitions.
[2026-05-25 20:40:00] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[51, 52, 51, 49, 49, 51, 51, 52, 51, 49, 52, 49, 52, 52, 52, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
RANDOM walk for 1000002 steps (2 resets) in 2244 ms. (445 steps per ms)
FORMULA JoinFreeModules-PT-0050-UpperBounds-11 53 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA JoinFreeModules-PT-0050-UpperBounds-03 53 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 14000014 steps (28 resets) in 22329 ms. (626 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[51, 52, 51, 52, 51, 51, 52, 51, 52, 52, 52, 52, 52, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
[2026-05-25 20:40:25] [INFO ] Invariant cache hit.
[2026-05-25 20:40:25] [INFO ] [Real]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-25 20:40:25] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2026-05-25 20:40:25] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:40:25] [INFO ] [Nat]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 20:40:25] [INFO ] [Nat]Absence check using state equation in 69 ms returned sat
[2026-05-25 20:40:25] [INFO ] State equation strengthened by 15 read => feed constraints.
[2026-05-25 20:40:25] [INFO ] [Nat]Added 15 Read/Feed constraints in 306 ms returned sat
[2026-05-25 20:40:25] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 15 ms.
[2026-05-25 20:40:26] [INFO ] Added : 47 causal constraints over 10 iterations in 383 ms. Result :sat
Minimization took 49 ms.
[2026-05-25 20:40:26] [INFO ] [Real]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 20:40:26] [INFO ] [Real]Absence check using state equation in 68 ms returned sat
[2026-05-25 20:40:26] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:40:26] [INFO ] [Nat]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 20:40:26] [INFO ] [Nat]Absence check using state equation in 68 ms returned sat
[2026-05-25 20:40:26] [INFO ] [Nat]Added 15 Read/Feed constraints in 6 ms returned sat
[2026-05-25 20:40:26] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 37 ms
[2026-05-25 20:40:26] [INFO ] [Real]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 20:40:26] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2026-05-25 20:40:26] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:40:26] [INFO ] [Nat]Absence check using 15 positive place invariants in 9 ms returned sat
[2026-05-25 20:40:26] [INFO ] [Nat]Absence check using state equation in 455 ms returned sat
[2026-05-25 20:40:27] [INFO ] [Nat]Added 15 Read/Feed constraints in 5 ms returned sat
[2026-05-25 20:40:27] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 13 ms.
[2026-05-25 20:40:27] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 52 ms
[2026-05-25 20:40:27] [INFO ] Added : 40 causal constraints over 9 iterations in 220 ms. Result :sat
Minimization took 44 ms.
[2026-05-25 20:40:27] [INFO ] [Real]Absence check using 15 positive place invariants in 9 ms returned sat
[2026-05-25 20:40:27] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2026-05-25 20:40:27] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:40:27] [INFO ] [Nat]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 20:40:27] [INFO ] [Nat]Absence check using state equation in 71 ms returned sat
[2026-05-25 20:40:27] [INFO ] [Nat]Added 15 Read/Feed constraints in 7 ms returned sat
[2026-05-25 20:40:27] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 14 ms.
[2026-05-25 20:40:27] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 182 ms
[2026-05-25 20:40:27] [INFO ] Added : 66 causal constraints over 15 iterations in 444 ms. Result :sat
Minimization took 52 ms.
[2026-05-25 20:40:28] [INFO ] [Real]Absence check using 15 positive place invariants in 14 ms returned sat
[2026-05-25 20:40:28] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2026-05-25 20:40:28] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:40:28] [INFO ] [Nat]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 20:40:28] [INFO ] [Nat]Absence check using state equation in 69 ms returned sat
[2026-05-25 20:40:28] [INFO ] [Nat]Added 15 Read/Feed constraints in 59 ms returned sat
[2026-05-25 20:40:28] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 12 ms.
[2026-05-25 20:40:28] [INFO ] Added : 50 causal constraints over 11 iterations in 189 ms. Result :sat
Minimization took 93 ms.
[2026-05-25 20:40:28] [INFO ] [Real]Absence check using 15 positive place invariants in 7 ms returned sat
[2026-05-25 20:40:28] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2026-05-25 20:40:28] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:40:28] [INFO ] [Nat]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 20:40:29] [INFO ] [Nat]Absence check using state equation in 316 ms returned sat
[2026-05-25 20:40:29] [INFO ] [Nat]Added 15 Read/Feed constraints in 252 ms returned sat
[2026-05-25 20:40:29] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 14 ms.
[2026-05-25 20:40:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 55 ms
[2026-05-25 20:40:29] [INFO ] Added : 45 causal constraints over 11 iterations in 293 ms. Result :sat
Minimization took 72 ms.
[2026-05-25 20:40:29] [INFO ] [Real]Absence check using 15 positive place invariants in 9 ms returned sat
[2026-05-25 20:40:29] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2026-05-25 20:40:29] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:40:29] [INFO ] [Nat]Absence check using 15 positive place invariants in 7 ms returned sat
[2026-05-25 20:40:30] [INFO ] [Nat]Absence check using state equation in 73 ms returned sat
[2026-05-25 20:40:30] [INFO ] [Nat]Added 15 Read/Feed constraints in 207 ms returned sat
[2026-05-25 20:40:30] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 13 ms.
[2026-05-25 20:40:30] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 38 ms
Minimization took 34 ms.
[2026-05-25 20:40:30] [INFO ] [Real]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 20:40:30] [INFO ] [Real]Absence check using state equation in 68 ms returned sat
[2026-05-25 20:40:30] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:40:30] [INFO ] [Nat]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 20:40:30] [INFO ] [Nat]Absence check using state equation in 67 ms returned sat
[2026-05-25 20:40:31] [INFO ] [Nat]Added 15 Read/Feed constraints in 257 ms returned sat
[2026-05-25 20:40:31] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 13 ms.
[2026-05-25 20:40:31] [INFO ] Added : 46 causal constraints over 10 iterations in 255 ms. Result :sat
Minimization took 56 ms.
[2026-05-25 20:40:31] [INFO ] [Real]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 20:40:31] [INFO ] [Real]Absence check using state equation in 65 ms returned sat
[2026-05-25 20:40:31] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:40:31] [INFO ] [Nat]Absence check using 15 positive place invariants in 7 ms returned sat
[2026-05-25 20:40:31] [INFO ] [Nat]Absence check using state equation in 99 ms returned sat
[2026-05-25 20:40:31] [INFO ] [Nat]Added 15 Read/Feed constraints in 56 ms returned sat
[2026-05-25 20:40:31] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 12 ms.
[2026-05-25 20:40:32] [INFO ] Added : 50 causal constraints over 12 iterations in 312 ms. Result :sat
Minimization took 46 ms.
[2026-05-25 20:40:32] [INFO ] [Real]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 20:40:32] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2026-05-25 20:40:32] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:40:32] [INFO ] [Nat]Absence check using 15 positive place invariants in 9 ms returned sat
[2026-05-25 20:40:32] [INFO ] [Nat]Absence check using state equation in 67 ms returned sat
[2026-05-25 20:40:32] [INFO ] [Nat]Added 15 Read/Feed constraints in 6 ms returned sat
[2026-05-25 20:40:32] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 36 ms
[2026-05-25 20:40:32] [INFO ] [Real]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 20:40:32] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2026-05-25 20:40:32] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:40:32] [INFO ] [Nat]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 20:40:32] [INFO ] [Nat]Absence check using state equation in 68 ms returned sat
[2026-05-25 20:40:32] [INFO ] [Nat]Added 15 Read/Feed constraints in 5 ms returned sat
[2026-05-25 20:40:32] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 12 ms.
[2026-05-25 20:40:32] [INFO ] Added : 53 causal constraints over 13 iterations in 224 ms. Result :sat
Minimization took 48 ms.
[2026-05-25 20:40:33] [INFO ] [Real]Absence check using 15 positive place invariants in 7 ms returned sat
[2026-05-25 20:40:33] [INFO ] [Real]Absence check using state equation in 67 ms returned sat
[2026-05-25 20:40:33] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:40:33] [INFO ] [Nat]Absence check using 15 positive place invariants in 9 ms returned sat
[2026-05-25 20:40:33] [INFO ] [Nat]Absence check using state equation in 64 ms returned sat
[2026-05-25 20:40:33] [INFO ] [Nat]Added 15 Read/Feed constraints in 311 ms returned sat
[2026-05-25 20:40:33] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 14 ms.
[2026-05-25 20:40:33] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 40 ms
Minimization took 32 ms.
[2026-05-25 20:40:33] [INFO ] [Real]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 20:40:33] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2026-05-25 20:40:33] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:40:34] [INFO ] [Nat]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 20:40:34] [INFO ] [Nat]Absence check using state equation in 69 ms returned sat
[2026-05-25 20:40:34] [INFO ] [Nat]Added 15 Read/Feed constraints in 7 ms returned sat
[2026-05-25 20:40:34] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 38 ms
[2026-05-25 20:40:34] [INFO ] [Real]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 20:40:34] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2026-05-25 20:40:34] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:40:34] [INFO ] [Nat]Absence check using 15 positive place invariants in 9 ms returned sat
[2026-05-25 20:40:34] [INFO ] [Nat]Absence check using state equation in 72 ms returned sat
[2026-05-25 20:40:34] [INFO ] [Nat]Added 15 Read/Feed constraints in 114 ms returned sat
[2026-05-25 20:40:34] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 14 ms.
[2026-05-25 20:40:35] [INFO ] Added : 44 causal constraints over 9 iterations in 569 ms. Result :sat
Minimization took 58 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[51, 52, 51, 52, 51, 51, 52, 51, 52, 52, 52, 52, 52, 51] Max Struct:[53, 52, 53, 53, 53, 53, 52, 53, 53, 52, 53, 52, 52, 53]
FORMULA JoinFreeModules-PT-0050-UpperBounds-14 52 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA JoinFreeModules-PT-0050-UpperBounds-13 52 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA JoinFreeModules-PT-0050-UpperBounds-10 52 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA JoinFreeModules-PT-0050-UpperBounds-07 52 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA JoinFreeModules-PT-0050-UpperBounds-01 52 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[51, 51, 52, 52, 51, 51, 52, 52, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53]
Support contains 9 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 120/120 transitions.
Graph (complete) has 180 edges and 75 vertex of which 45 are kept as prefixes of interest. Removing 30 places using SCC suffix rule.0 ms
Discarding 30 places :
Also discarding 48 output transitions
Drop transitions (Output transitions of discarded places.) removed 48 transitions
Applied a total of 1 rules in 5 ms. Remains 45 /75 variables (removed 30) and now considering 72/120 (removed 48) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 45/75 places, 72/120 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4285014024689445122.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4239229357509472756.kers'
[2026-05-25 20:40:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4285014024689445122.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4239229357509472756.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 72 rows 45 cols 180 entries
Finished phase 1 with 36 SingleSign rule and 0 generalized
[2026-05-25 20:40:37] [INFO ] Computed 9 invariants in 0 ms
Computed 9 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-4239229357509472756.kers
Total runtime 7 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[51, 51, 52, 52, 51, 51, 52, 52, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53]
RANDOM walk for 1000005 steps (2 resets) in 1171 ms. (853 steps per ms)
FORMULA JoinFreeModules-PT-0050-UpperBounds-09 53 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA JoinFreeModules-PT-0050-UpperBounds-04 53 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 7000007 steps (14 resets) in 6943 ms. (1008 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[51, 51, 52, 51, 51, 52, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53]
[2026-05-25 20:40:45] [INFO ] Invariant cache hit.
[2026-05-25 20:40:45] [INFO ] [Real]Absence check using 9 positive place invariants in 4 ms returned sat
[2026-05-25 20:40:45] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2026-05-25 20:40:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:40:45] [INFO ] [Nat]Absence check using 9 positive place invariants in 3 ms returned sat
[2026-05-25 20:40:45] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2026-05-25 20:40:45] [INFO ] State equation strengthened by 9 read => feed constraints.
[2026-05-25 20:40:45] [INFO ] [Nat]Added 9 Read/Feed constraints in 3 ms returned sat
[2026-05-25 20:40:45] [INFO ] Computed and/alt/rep : 54/135/54 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-25 20:40:45] [INFO ] Added : 44 causal constraints over 10 iterations in 111 ms. Result :sat
Minimization took 27 ms.
[2026-05-25 20:40:45] [INFO ] [Real]Absence check using 9 positive place invariants in 4 ms returned sat
[2026-05-25 20:40:45] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2026-05-25 20:40:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:40:45] [INFO ] [Nat]Absence check using 9 positive place invariants in 4 ms returned sat
[2026-05-25 20:40:45] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2026-05-25 20:40:46] [INFO ] [Nat]Added 9 Read/Feed constraints in 255 ms returned sat
[2026-05-25 20:40:46] [INFO ] Computed and/alt/rep : 54/135/54 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-25 20:40:46] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 59 ms
[2026-05-25 20:40:46] [INFO ] Added : 24 causal constraints over 5 iterations in 242 ms. Result :sat
Minimization took 16 ms.
[2026-05-25 20:40:46] [INFO ] [Real]Absence check using 9 positive place invariants in 3 ms returned sat
[2026-05-25 20:40:46] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2026-05-25 20:40:46] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:40:46] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2026-05-25 20:40:46] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2026-05-25 20:40:46] [INFO ] [Nat]Added 9 Read/Feed constraints in 3 ms returned sat
[2026-05-25 20:40:46] [INFO ] Computed and/alt/rep : 54/135/54 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-25 20:40:46] [INFO ] Added : 30 causal constraints over 7 iterations in 77 ms. Result :sat
Minimization took 30 ms.
[2026-05-25 20:40:46] [INFO ] [Real]Absence check using 9 positive place invariants in 5 ms returned sat
[2026-05-25 20:40:46] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2026-05-25 20:40:46] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:40:46] [INFO ] [Nat]Absence check using 9 positive place invariants in 5 ms returned sat
[2026-05-25 20:40:46] [INFO ] [Nat]Absence check using state equation in 122 ms returned sat
[2026-05-25 20:40:46] [INFO ] [Nat]Added 9 Read/Feed constraints in 3 ms returned sat
[2026-05-25 20:40:46] [INFO ] Computed and/alt/rep : 54/135/54 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-25 20:40:47] [INFO ] Added : 23 causal constraints over 5 iterations in 70 ms. Result :sat
Minimization took 28 ms.
[2026-05-25 20:40:47] [INFO ] [Real]Absence check using 9 positive place invariants in 5 ms returned sat
[2026-05-25 20:40:47] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2026-05-25 20:40:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:40:47] [INFO ] [Nat]Absence check using 9 positive place invariants in 5 ms returned sat
[2026-05-25 20:40:47] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2026-05-25 20:40:47] [INFO ] [Nat]Added 9 Read/Feed constraints in 74 ms returned sat
[2026-05-25 20:40:47] [INFO ] Computed and/alt/rep : 54/135/54 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-25 20:40:47] [INFO ] Added : 43 causal constraints over 9 iterations in 335 ms. Result :sat
Minimization took 28 ms.
[2026-05-25 20:40:47] [INFO ] [Real]Absence check using 9 positive place invariants in 3 ms returned sat
[2026-05-25 20:40:47] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2026-05-25 20:40:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:40:47] [INFO ] [Nat]Absence check using 9 positive place invariants in 3 ms returned sat
[2026-05-25 20:40:47] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2026-05-25 20:40:47] [INFO ] [Nat]Added 9 Read/Feed constraints in 2 ms returned sat
[2026-05-25 20:40:47] [INFO ] Computed and/alt/rep : 54/135/54 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-25 20:40:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 28 ms
[2026-05-25 20:40:47] [INFO ] Added : 35 causal constraints over 9 iterations in 100 ms. Result :sat
Minimization took 19 ms.
[2026-05-25 20:40:47] [INFO ] [Real]Absence check using 9 positive place invariants in 3 ms returned sat
[2026-05-25 20:40:47] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2026-05-25 20:40:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:40:48] [INFO ] [Nat]Absence check using 9 positive place invariants in 3 ms returned sat
[2026-05-25 20:40:48] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2026-05-25 20:40:48] [INFO ] [Nat]Added 9 Read/Feed constraints in 43 ms returned sat
[2026-05-25 20:40:48] [INFO ] Computed and/alt/rep : 54/135/54 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 20:40:48] [INFO ] Added : 42 causal constraints over 9 iterations in 72 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[51, 51, 52, 51, 51, 52, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[51, 52, 52, 51, 51, 52, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53]
Support contains 7 out of 45 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 45/45 places, 72/72 transitions.
Graph (complete) has 108 edges and 45 vertex of which 35 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.0 ms
Discarding 10 places :
Also discarding 16 output transitions
Drop transitions (Output transitions of discarded places.) removed 16 transitions
Applied a total of 1 rules in 2 ms. Remains 35 /45 variables (removed 10) and now considering 56/72 (removed 16) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 35/45 places, 56/72 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12500827641666473453.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10217425165041071297.kers'
[2026-05-25 20:40:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12500827641666473453.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10217425165041071297.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 56 rows 35 cols 140 entries
Finished phase 1 with 28 SingleSign rule and 0 generalized
[2026-05-25 20:40:48] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10217425165041071297.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[51, 52, 52, 51, 51, 52, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53]
RANDOM walk for 1000006 steps (2 resets) in 1131 ms. (883 steps per ms)
BEST_FIRST walk for 7000007 steps (14 resets) in 6237 ms. (1122 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[51, 52, 52, 51, 51, 52, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53]
[2026-05-25 20:40:56] [INFO ] Invariant cache hit.
[2026-05-25 20:40:56] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2026-05-25 20:40:56] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2026-05-25 20:40:56] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:40:56] [INFO ] [Nat]Absence check using 7 positive place invariants in 4 ms returned sat
[2026-05-25 20:40:56] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2026-05-25 20:40:56] [INFO ] State equation strengthened by 7 read => feed constraints.
[2026-05-25 20:40:56] [INFO ] [Nat]Added 7 Read/Feed constraints in 2 ms returned sat
[2026-05-25 20:40:56] [INFO ] Computed and/alt/rep : 42/105/42 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-25 20:40:56] [INFO ] Added : 31 causal constraints over 7 iterations in 51 ms. Result :sat
Minimization took 24 ms.
[2026-05-25 20:40:56] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2026-05-25 20:40:56] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2026-05-25 20:40:56] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:40:56] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2026-05-25 20:40:56] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2026-05-25 20:40:56] [INFO ] [Nat]Added 7 Read/Feed constraints in 11 ms returned sat
[2026-05-25 20:40:56] [INFO ] Computed and/alt/rep : 42/105/42 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 20:40:56] [INFO ] Added : 10 causal constraints over 2 iterations in 50 ms. Result :sat
Minimization took 12 ms.
[2026-05-25 20:40:56] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2026-05-25 20:40:56] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2026-05-25 20:40:56] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:40:56] [INFO ] [Nat]Absence check using 7 positive place invariants in 3 ms returned sat
[2026-05-25 20:40:56] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2026-05-25 20:40:56] [INFO ] [Nat]Added 7 Read/Feed constraints in 2 ms returned sat
[2026-05-25 20:40:56] [INFO ] Computed and/alt/rep : 42/105/42 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-25 20:40:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 42 ms
[2026-05-25 20:40:56] [INFO ] Added : 26 causal constraints over 8 iterations in 120 ms. Result :sat
Minimization took 23 ms.
[2026-05-25 20:40:56] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2026-05-25 20:40:56] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2026-05-25 20:40:56] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:40:56] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2026-05-25 20:40:56] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2026-05-25 20:40:56] [INFO ] [Nat]Added 7 Read/Feed constraints in 13 ms returned sat
[2026-05-25 20:40:56] [INFO ] Computed and/alt/rep : 42/105/42 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-25 20:40:56] [INFO ] Added : 27 causal constraints over 6 iterations in 42 ms. Result :sat
Minimization took 20 ms.
[2026-05-25 20:40:56] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned sat
[2026-05-25 20:40:57] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2026-05-25 20:40:57] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:40:57] [INFO ] [Nat]Absence check using 7 positive place invariants in 3 ms returned sat
[2026-05-25 20:40:57] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2026-05-25 20:40:57] [INFO ] [Nat]Added 7 Read/Feed constraints in 2 ms returned sat
[2026-05-25 20:40:57] [INFO ] Computed and/alt/rep : 42/105/42 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-25 20:40:57] [INFO ] Added : 40 causal constraints over 8 iterations in 61 ms. Result :sat
Minimization took 31 ms.
[2026-05-25 20:40:57] [INFO ] [Real]Absence check using 7 positive place invariants in 5 ms returned sat
[2026-05-25 20:40:57] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2026-05-25 20:40:57] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:40:57] [INFO ] [Nat]Absence check using 7 positive place invariants in 3 ms returned sat
[2026-05-25 20:40:57] [INFO ] [Nat]Absence check using state equation in 68 ms returned sat
[2026-05-25 20:40:57] [INFO ] [Nat]Added 7 Read/Feed constraints in 4 ms returned sat
[2026-05-25 20:40:57] [INFO ] Computed and/alt/rep : 42/105/42 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 20:40:57] [INFO ] Added : 22 causal constraints over 6 iterations in 64 ms. Result :sat
Minimization took 24 ms.
[2026-05-25 20:40:57] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2026-05-25 20:40:57] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2026-05-25 20:40:57] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 20:40:57] [INFO ] [Nat]Absence check using 7 positive place invariants in 4 ms returned sat
[2026-05-25 20:40:57] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2026-05-25 20:40:57] [INFO ] [Nat]Added 7 Read/Feed constraints in 4 ms returned sat
[2026-05-25 20:40:57] [INFO ] Computed and/alt/rep : 42/105/42 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-25 20:40:57] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 97 ms
[2026-05-25 20:40:57] [INFO ] Added : 36 causal constraints over 8 iterations in 227 ms. Result :sat
Minimization took 39 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[51, 52, 52, 51, 51, 52, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[51, 52, 52, 51, 51, 52, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53]
Support contains 7 out of 35 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 35/35 places, 56/56 transitions.
Applied a total of 0 rules in 5 ms. Remains 35 /35 variables (removed 0) and now considering 56/56 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 35/35 places, 56/56 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 35/35 places, 56/56 transitions.
Applied a total of 0 rules in 6 ms. Remains 35 /35 variables (removed 0) and now considering 56/56 (removed 0) transitions.
[2026-05-25 20:40:58] [INFO ] Invariant cache hit.
[2026-05-25 20:40:58] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-25 20:40:58] [INFO ] Invariant cache hit.
[2026-05-25 20:40:58] [INFO ] State equation strengthened by 7 read => feed constraints.
[2026-05-25 20:40:58] [INFO ] Implicit Places using invariants and state equation in 68 ms returned []
Implicit Place search using SMT with State Equation took 103 ms to find 0 implicit places.
[2026-05-25 20:40:58] [INFO ] Redundant transitions in 2 ms returned []
Running 42 sub problems to find dead transitions.
[2026-05-25 20:40:58] [INFO ] Invariant cache hit.
[2026-05-25 20:40:58] [INFO ] State equation strengthened by 7 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 42 unsolved
At refinement iteration 1 (OVERLAPS) 7/35 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 42 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 42 unsolved
At refinement iteration 3 (OVERLAPS) 56/91 variables, 35/42 constraints. Problems are: Problem set: 0 solved, 42 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 7/49 constraints. Problems are: Problem set: 0 solved, 42 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/91 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 42 unsolved
At refinement iteration 6 (OVERLAPS) 0/91 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 42 unsolved
No progress, stopping.
After SMT solving in domain Real declared 91/91 variables, and 49 constraints, problems are : Problem set: 0 solved, 42 unsolved in 1580 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 35/35 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 42/42 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 42 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 42 unsolved
At refinement iteration 1 (OVERLAPS) 7/35 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 42 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 42 unsolved
At refinement iteration 3 (OVERLAPS) 56/91 variables, 35/42 constraints. Problems are: Problem set: 0 solved, 42 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 7/49 constraints. Problems are: Problem set: 0 solved, 42 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/91 variables, 42/91 constraints. Problems are: Problem set: 0 solved, 42 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/91 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 42 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/91 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 42 unsolved
At refinement iteration 8 (OVERLAPS) 0/91 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 42 unsolved
No progress, stopping.
After SMT solving in domain Int declared 91/91 variables, and 92 constraints, problems are : Problem set: 0 solved, 42 unsolved in 3724 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 35/35 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 42/42 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5319ms problems are : Problem set: 0 solved, 42 unsolved
Search for dead transitions found 0 dead transitions in 5320ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5441 ms. Remains : 35/35 places, 56/56 transitions.
RANDOM walk for 40016 steps (8 resets) in 817 ms. (48 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 264 ms. (150 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 319 ms. (125 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 389 ms. (102 steps per ms) remains 14/14 properties
[2026-05-25 20:41:04] [INFO ] Flatten gal took : 84 ms
[2026-05-25 20:41:04] [INFO ] Flatten gal took : 33 ms
[2026-05-25 20:41:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10611018192188118231.gal : 13 ms
[2026-05-25 20:41:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1410253633557927140.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10611018192188118231.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1410253633557927140.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (8 resets) in 355 ms. (112 steps per ms) remains 14/14 properties
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality1410253633557927140.prop.
SDD proceeding with computation,14 properties remain. new max is 4
SDD size :1 after 8
BEST_FIRST walk for 40003 steps (8 resets) in 206 ms. (193 steps per ms) remains 14/14 properties
SDD proceeding with computation,14 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,14 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,14 properties remain. new max is 32
SDD size :76 after 246
BEST_FIRST walk for 40004 steps (8 resets) in 166 ms. (239 steps per ms) remains 14/14 properties
SDD proceeding with computation,14 properties remain. new max is 64
SDD size :246 after 761
BEST_FIRST walk for 40004 steps (8 resets) in 163 ms. (243 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 146 ms. (272 steps per ms) remains 14/14 properties
SDD proceeding with computation,14 properties remain. new max is 128
SDD size :761 after 1340
BEST_FIRST walk for 40004 steps (8 resets) in 126 ms. (314 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 134 ms. (296 steps per ms) remains 14/14 properties
SDD proceeding with computation,14 properties remain. new max is 256
SDD size :1340 after 75946
BEST_FIRST walk for 40004 steps (8 resets) in 124 ms. (320 steps per ms) remains 14/14 properties
SDD proceeding with computation,14 properties remain. new max is 512
SDD size :75946 after 191677
BEST_FIRST walk for 40004 steps (8 resets) in 118 ms. (336 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 102 ms. (388 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 144 ms. (275 steps per ms) remains 14/14 properties
SDD proceeding with computation,14 properties remain. new max is 1024
SDD size :191677 after 2.9833e+10
SDD proceeding with computation,14 properties remain. new max is 2048
SDD size :2.9833e+10 after 2.30771e+16
SDD proceeding with computation,14 properties remain. new max is 4096
SDD size :2.30771e+16 after 1.30089e+31
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,1.4666e+39,3.28744,45824,2,2577,16,190507,20,0,312,215394,0
Total reachable state count : 1466602209811025823670475331139941695488
Verifying 14 reachability properties.
Reachability property MAX0 does not hold.
No reachable states exhibit your property : MAX0
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX0,0,3.29218,45916,1,0,16,190507,20,0,313,215394,0
Invariant property MIN0 is true.
Interrupted probabilistic random walk after 173417 steps, run timeout after 3001 ms. (steps per millisecond=57 ) properties seen :0 out of 14
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,3.29668,45916,1,0,16,190507,20,0,313,215394,0
Reachability property MAX1 does not hold.
No reachable states exhibit your property : MAX1
Probabilistic random walk after 173417 steps, saw 149433 distinct states, run finished after 3007 ms. (steps per millisecond=57 ) properties seen :0
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX1,0,3.29796,45916,1,0,16,190507,20,0,313,215394,0
Invariant property MIN1 is true.
[2026-05-25 20:41:08] [INFO ] Invariant cache hit.
[2026-05-25 20:41:08] [INFO ] State equation strengthened by 7 read => feed constraints.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN1,0,3.29917,45916,1,0,16,190507,20,0,313,215394,0
Reachability property MAX2 does not hold.
No reachable states exhibit your property : MAX2
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX2,0,3.30166,45916,1,0,16,190507,20,0,313,215394,0
Invariant property MIN2 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN2,0,3.30418,45916,1,0,16,190507,20,0,313,215394,0
Reachability property MAX3 does not hold.
No reachable states exhibit your property : MAX3
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX3,0,3.30501,45916,1,0,16,190507,20,0,313,215394,0
Invariant property MIN3 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN3,0,3.30584,45916,1,0,16,190507,20,0,313,215394,0
Reachability property MAX4 does not hold.
No reachable states exhibit your property : MAX4
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX4,0,3.30801,45916,1,0,16,190507,20,0,313,215394,0
Invariant property MIN4 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN4,0,3.31031,45916,1,0,16,190507,20,0,313,215394,0
Reachability property MAX5 does not hold.
No reachable states exhibit your property : MAX5
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX5,0,3.3149,45916,1,0,16,190507,20,0,313,215394,0
Invariant property MIN5 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN5,0,3.31974,45916,1,0,16,190507,20,0,313,215394,0
Reachability property MAX6 does not hold.
No reachable states exhibit your property : MAX6
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX6,0,3.32482,45916,1,0,16,190507,20,0,313,215394,0
Invariant property MIN6 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN6,0,3.33063,45916,1,0,16,190507,20,0,313,215394,0
After SMT solving in domain Real declared 5/91 variables, and 0 constraints, problems are : Problem set: 10 solved, 0 unsolved in 29 ms.
Refiners :[Positive P Invariants (semi-flows): 0/7 constraints, State Equation: 0/35 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 35ms problems are : Problem set: 10 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
ITS runner timed out or was interrupted.
FORMULA JoinFreeModules-PT-0050-UpperBounds-00 51 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0050-UpperBounds-02 52 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0050-UpperBounds-05 52 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0050-UpperBounds-06 51 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0050-UpperBounds-08 51 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0050-UpperBounds-12 52 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0050-UpperBounds-15 51 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-25 20:41:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000008 steps (2 resets) in 1325 ms. (754 steps per ms)
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:[]
All properties solved without resorting to model-checking.
Total runtime 166822 ms.
BK_STOP 1779741669654
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="JoinFreeModules-PT-0050"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool itstools"
echo " Input is JoinFreeModules-PT-0050, 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 r162-smll-177961107700181"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-0050.tgz
mv JoinFreeModules-PT-0050 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;