MCC'2026- Execution of r162-smll-177961107700189

About the Execution of ITS-Tools for JoinFreeModules-PT-0100

Execution Summary
Max Memory Used (MB)	Time wait (ms)	CPU Usage (ms)	I/O Wait (ms)	Computed Result	Execution Status
920.252	521832.00	583923.00	1480.90	103 101 103 102 100 101 100 102 100 102 100 100 102 100 100 102	normal

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-177961107700189.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is JoinFreeModules-PT-0100, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r162-smll-177961107700189
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 708K
-rw-r--r-- 1 mcc users 7.0K Mar 7 15:43 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K Mar 7 15:43 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Mar 7 15:43 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K Mar 7 15:43 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 11:04 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K 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 9.4K Mar 7 15:43 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 95K Mar 7 15:43 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Mar 7 15:43 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 45K Mar 7 15:43 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 304K 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-0100-UpperBounds-00
FORMULA_NAME JoinFreeModules-PT-0100-UpperBounds-01
FORMULA_NAME JoinFreeModules-PT-0100-UpperBounds-02
FORMULA_NAME JoinFreeModules-PT-0100-UpperBounds-03
FORMULA_NAME JoinFreeModules-PT-0100-UpperBounds-04
FORMULA_NAME JoinFreeModules-PT-0100-UpperBounds-05
FORMULA_NAME JoinFreeModules-PT-0100-UpperBounds-06
FORMULA_NAME JoinFreeModules-PT-0100-UpperBounds-07
FORMULA_NAME JoinFreeModules-PT-0100-UpperBounds-08
FORMULA_NAME JoinFreeModules-PT-0100-UpperBounds-09
FORMULA_NAME JoinFreeModules-PT-0100-UpperBounds-10
FORMULA_NAME JoinFreeModules-PT-0100-UpperBounds-11
FORMULA_NAME JoinFreeModules-PT-0100-UpperBounds-12
FORMULA_NAME JoinFreeModules-PT-0100-UpperBounds-13
FORMULA_NAME JoinFreeModules-PT-0100-UpperBounds-14
FORMULA_NAME JoinFreeModules-PT-0100-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779745481178

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-0100
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-25 21:44:43] [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 21:44:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 21:44:43] [INFO ] Load time of PNML (sax parser for PT used): 263 ms
[2026-05-25 21:44:43] [INFO ] Transformed 501 places.
[2026-05-25 21:44:43] [INFO ] Transformed 801 transitions.
[2026-05-25 21:44:43] [INFO ] Parsed PT model containing 501 places and 801 transitions and 2302 arcs in 496 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 14 ms.
Reduce places removed 1 places and 0 transitions.
Current structural bounds on expressions (Initially) : Max Seen:[0, 1, 0, 2, 100, 1, 100, 0, 100, 0, 100, 100, 0, 100, 100, 2] 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:[0, 1, 0, 2, 100, 1, 100, 0, 100, 0, 100, 100, 0, 100, 100, 2] 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-15075327404687429863.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11983677859966139610.kers'
[2026-05-25 21:44:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15075327404687429863.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11983677859966139610.kers]
Normalized transition count is 800 out of 801 initially.
Culled 0 columns in 1 ms.
// Phase 1: matrix 800 rows 500 cols 2000 entries
Finished phase 1 with 400 SingleSign rule and 0 generalized
[2026-05-25 21:44:44] [INFO ] Computed 100 invariants in 5 ms
Computed 100 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-11983677859966139610.kers
Total runtime 8 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 1, 0, 2, 100, 1, 100, 0, 100, 0, 100, 100, 0, 100, 100, 2] Max Struct:[103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103]
RANDOM walk for 10071 steps (2 resets) in 156 ms. (64 steps per ms)
BEST_FIRST walk for 160016 steps (32 resets) in 1303 ms. (122 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[26, 101, 98, 2, 100, 18, 100, 17, 100, 17, 100, 100, 17, 100, 100, 2] Max Struct:[103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103]
[2026-05-25 21:44:45] [INFO ] Invariant cache hit.
[2026-05-25 21:44:46] [INFO ] [Real]Absence check using 100 positive place invariants in 64 ms returned sat
[2026-05-25 21:44:46] [INFO ] [Real]Absence check using state equation in 683 ms returned sat
[2026-05-25 21:44:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:44:47] [INFO ] [Nat]Absence check using 100 positive place invariants in 175 ms returned sat
[2026-05-25 21:44:48] [INFO ] [Nat]Absence check using state equation in 686 ms returned sat
[2026-05-25 21:44:48] [INFO ] State equation strengthened by 100 read => feed constraints.
[2026-05-25 21:44:48] [INFO ] [Nat]Added 100 Read/Feed constraints in 331 ms returned sat
[2026-05-25 21:44:48] [INFO ] Computed and/alt/rep : 600/1500/600 causal constraints (skipped 0 transitions) in 122 ms.
[2026-05-25 21:44:52] [INFO ] Added : 210 causal constraints over 42 iterations in 3360 ms. Result :unknown
[2026-05-25 21:44:52] [INFO ] [Real]Absence check using 100 positive place invariants in 51 ms returned sat
[2026-05-25 21:44:52] [INFO ] [Real]Absence check using state equation in 480 ms returned sat
[2026-05-25 21:44:52] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:44:53] [INFO ] [Nat]Absence check using 100 positive place invariants in 49 ms returned sat
[2026-05-25 21:44:53] [INFO ] [Nat]Absence check using state equation in 463 ms returned sat
[2026-05-25 21:44:53] [INFO ] [Nat]Added 100 Read/Feed constraints in 421 ms returned sat
[2026-05-25 21:44:54] [INFO ] Computed and/alt/rep : 600/1500/600 causal constraints (skipped 0 transitions) in 64 ms.
[2026-05-25 21:44:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 160 ms
[2026-05-25 21:44:57] [INFO ] Added : 242 causal constraints over 50 iterations in 3850 ms. Result :sat
Minimization took 38 ms.
[2026-05-25 21:44:58] [INFO ] [Real]Absence check using 100 positive place invariants in 44 ms returned sat
[2026-05-25 21:44:58] [INFO ] [Real]Absence check using state equation in 397 ms returned sat
[2026-05-25 21:44:58] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:44:58] [INFO ] [Nat]Absence check using 100 positive place invariants in 32 ms returned sat
[2026-05-25 21:44:59] [INFO ] [Nat]Absence check using state equation in 464 ms returned sat
[2026-05-25 21:44:59] [INFO ] [Nat]Added 100 Read/Feed constraints in 359 ms returned sat
[2026-05-25 21:44:59] [INFO ] Computed and/alt/rep : 600/1500/600 causal constraints (skipped 0 transitions) in 60 ms.
[2026-05-25 21:45:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 110 ms
[2026-05-25 21:45:00] [INFO ] Added : 109 causal constraints over 23 iterations in 1355 ms. Result :sat
Minimization took 293 ms.
[2026-05-25 21:45:01] [INFO ] [Real]Absence check using 100 positive place invariants in 36 ms returned sat
[2026-05-25 21:45:01] [INFO ] [Real]Absence check using state equation in 363 ms returned sat
[2026-05-25 21:45:01] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:45:01] [INFO ] [Nat]Absence check using 100 positive place invariants in 34 ms returned sat
[2026-05-25 21:45:02] [INFO ] [Nat]Absence check using state equation in 319 ms returned sat
[2026-05-25 21:45:02] [INFO ] [Nat]Added 100 Read/Feed constraints in 258 ms returned sat
[2026-05-25 21:45:02] [INFO ] Computed and/alt/rep : 600/1500/600 causal constraints (skipped 0 transitions) in 66 ms.
[2026-05-25 21:45:05] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 153 ms
[2026-05-25 21:45:05] [INFO ] Added : 268 causal constraints over 54 iterations in 3416 ms. Result :sat
Minimization took 506 ms.
[2026-05-25 21:45:06] [INFO ] [Real]Absence check using 100 positive place invariants in 30 ms returned sat
[2026-05-25 21:45:06] [INFO ] [Real]Absence check using state equation in 311 ms returned sat
[2026-05-25 21:45:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:45:07] [INFO ] [Nat]Absence check using 100 positive place invariants in 31 ms returned sat
[2026-05-25 21:45:07] [INFO ] [Nat]Absence check using state equation in 315 ms returned sat
[2026-05-25 21:45:07] [INFO ] [Nat]Added 100 Read/Feed constraints in 322 ms returned sat
[2026-05-25 21:45:07] [INFO ] Computed and/alt/rep : 600/1500/600 causal constraints (skipped 0 transitions) in 64 ms.
[2026-05-25 21:45:11] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 200 ms
[2026-05-25 21:45:11] [INFO ] Added : 292 causal constraints over 59 iterations in 3568 ms. Result :sat
Minimization took 376 ms.
[2026-05-25 21:45:11] [INFO ] [Real]Absence check using 100 positive place invariants in 31 ms returned sat
[2026-05-25 21:45:12] [INFO ] [Real]Absence check using state equation in 449 ms returned sat
[2026-05-25 21:45:12] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:45:12] [INFO ] [Nat]Absence check using 100 positive place invariants in 52 ms returned sat
[2026-05-25 21:45:12] [INFO ] [Nat]Absence check using state equation in 444 ms returned sat
[2026-05-25 21:45:13] [INFO ] [Nat]Added 100 Read/Feed constraints in 294 ms returned sat
[2026-05-25 21:45:13] [INFO ] Computed and/alt/rep : 600/1500/600 causal constraints (skipped 0 transitions) in 58 ms.
[2026-05-25 21:45:16] [INFO ] Added : 259 causal constraints over 54 iterations in 2879 ms. Result :sat
Minimization took 437 ms.
[2026-05-25 21:45:16] [INFO ] [Real]Absence check using 100 positive place invariants in 31 ms returned sat
[2026-05-25 21:45:17] [INFO ] [Real]Absence check using state equation in 311 ms returned sat
[2026-05-25 21:45:17] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:45:17] [INFO ] [Nat]Absence check using 100 positive place invariants in 33 ms returned sat
[2026-05-25 21:45:17] [INFO ] [Nat]Absence check using state equation in 425 ms returned sat
[2026-05-25 21:45:17] [INFO ] [Nat]Added 100 Read/Feed constraints in 315 ms returned sat
[2026-05-25 21:45:18] [INFO ] Computed and/alt/rep : 600/1500/600 causal constraints (skipped 0 transitions) in 55 ms.
[2026-05-25 21:45:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 105 ms
[2026-05-25 21:45:20] [INFO ] Added : 185 causal constraints over 39 iterations in 2133 ms. Result :sat
Minimization took 191 ms.
[2026-05-25 21:45:20] [INFO ] [Real]Absence check using 100 positive place invariants in 30 ms returned sat
[2026-05-25 21:45:20] [INFO ] [Real]Absence check using state equation in 297 ms returned sat
[2026-05-25 21:45:20] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:45:20] [INFO ] [Nat]Absence check using 100 positive place invariants in 30 ms returned sat
[2026-05-25 21:45:21] [INFO ] [Nat]Absence check using state equation in 554 ms returned sat
[2026-05-25 21:45:21] [INFO ] [Nat]Added 100 Read/Feed constraints in 191 ms returned sat
[2026-05-25 21:45:21] [INFO ] Computed and/alt/rep : 600/1500/600 causal constraints (skipped 0 transitions) in 57 ms.
[2026-05-25 21:45:24] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 981 ms
[2026-05-25 21:45:25] [INFO ] Added : 172 causal constraints over 37 iterations in 3410 ms. Result :sat
Minimization took 474 ms.
[2026-05-25 21:45:25] [INFO ] [Real]Absence check using 100 positive place invariants in 30 ms returned sat
[2026-05-25 21:45:26] [INFO ] [Real]Absence check using state equation in 304 ms returned sat
[2026-05-25 21:45:26] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:45:26] [INFO ] [Nat]Absence check using 100 positive place invariants in 31 ms returned sat
[2026-05-25 21:45:26] [INFO ] [Nat]Absence check using state equation in 300 ms returned sat
[2026-05-25 21:45:26] [INFO ] [Nat]Added 100 Read/Feed constraints in 263 ms returned sat
[2026-05-25 21:45:26] [INFO ] Computed and/alt/rep : 600/1500/600 causal constraints (skipped 0 transitions) in 59 ms.
[2026-05-25 21:45:30] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 110 ms
[2026-05-25 21:45:30] [INFO ] Added : 263 causal constraints over 54 iterations in 3848 ms. Result :sat
Minimization took 217 ms.
[2026-05-25 21:45:31] [INFO ] [Real]Absence check using 100 positive place invariants in 30 ms returned sat
[2026-05-25 21:45:31] [INFO ] [Real]Absence check using state equation in 290 ms returned sat
[2026-05-25 21:45:31] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:45:31] [INFO ] [Nat]Absence check using 100 positive place invariants in 31 ms returned sat
[2026-05-25 21:45:31] [INFO ] [Nat]Absence check using state equation in 481 ms returned sat
[2026-05-25 21:45:32] [INFO ] [Nat]Added 100 Read/Feed constraints in 265 ms returned sat
[2026-05-25 21:45:32] [INFO ] Computed and/alt/rep : 600/1500/600 causal constraints (skipped 0 transitions) in 58 ms.
[2026-05-25 21:45:33] [INFO ] Added : 147 causal constraints over 32 iterations in 1689 ms. Result :sat
Minimization took 506 ms.
[2026-05-25 21:45:34] [INFO ] [Real]Absence check using 100 positive place invariants in 29 ms returned sat
[2026-05-25 21:45:34] [INFO ] [Real]Absence check using state equation in 341 ms returned sat
[2026-05-25 21:45:34] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:45:35] [INFO ] [Nat]Absence check using 100 positive place invariants in 55 ms returned sat
[2026-05-25 21:45:35] [INFO ] [Nat]Absence check using state equation in 623 ms returned sat
[2026-05-25 21:45:35] [INFO ] [Nat]Added 100 Read/Feed constraints in 116 ms returned sat
[2026-05-25 21:45:36] [INFO ] Computed and/alt/rep : 600/1500/600 causal constraints (skipped 0 transitions) in 63 ms.
[2026-05-25 21:45:37] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 125 ms
[2026-05-25 21:45:37] [INFO ] Added : 114 causal constraints over 25 iterations in 1560 ms. Result :sat
Minimization took 278 ms.
[2026-05-25 21:45:37] [INFO ] [Real]Absence check using 100 positive place invariants in 31 ms returned sat
[2026-05-25 21:45:38] [INFO ] [Real]Absence check using state equation in 301 ms returned sat
[2026-05-25 21:45:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:45:38] [INFO ] [Nat]Absence check using 100 positive place invariants in 32 ms returned sat
[2026-05-25 21:45:38] [INFO ] [Nat]Absence check using state equation in 466 ms returned sat
[2026-05-25 21:45:39] [INFO ] [Nat]Added 100 Read/Feed constraints in 219 ms returned sat
[2026-05-25 21:45:39] [INFO ] Computed and/alt/rep : 600/1500/600 causal constraints (skipped 0 transitions) in 55 ms.
[2026-05-25 21:45:41] [INFO ] Added : 146 causal constraints over 31 iterations in 1905 ms. Result :sat
Minimization took 304 ms.
[2026-05-25 21:45:41] [INFO ] [Real]Absence check using 100 positive place invariants in 52 ms returned sat
[2026-05-25 21:45:42] [INFO ] [Real]Absence check using state equation in 471 ms returned sat
[2026-05-25 21:45:42] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:45:42] [INFO ] [Nat]Absence check using 100 positive place invariants in 52 ms returned sat
[2026-05-25 21:45:42] [INFO ] [Nat]Absence check using state equation in 473 ms returned sat
[2026-05-25 21:45:43] [INFO ] [Nat]Added 100 Read/Feed constraints in 315 ms returned sat
[2026-05-25 21:45:43] [INFO ] Computed and/alt/rep : 600/1500/600 causal constraints (skipped 0 transitions) in 57 ms.
[2026-05-25 21:45:46] [INFO ] Added : 259 causal constraints over 54 iterations in 2831 ms. Result :sat
Minimization took 511 ms.
[2026-05-25 21:45:46] [INFO ] [Real]Absence check using 100 positive place invariants in 49 ms returned sat
[2026-05-25 21:45:47] [INFO ] [Real]Absence check using state equation in 485 ms returned sat
[2026-05-25 21:45:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:45:47] [INFO ] [Nat]Absence check using 100 positive place invariants in 49 ms returned sat
[2026-05-25 21:45:48] [INFO ] [Nat]Absence check using state equation in 796 ms returned sat
[2026-05-25 21:45:48] [INFO ] [Nat]Added 100 Read/Feed constraints in 244 ms returned sat
[2026-05-25 21:45:48] [INFO ] Computed and/alt/rep : 600/1500/600 causal constraints (skipped 0 transitions) in 53 ms.
[2026-05-25 21:45:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 95 ms
[2026-05-25 21:45:49] [INFO ] Added : 98 causal constraints over 20 iterations in 1126 ms. Result :sat
Minimization took 161 ms.
[2026-05-25 21:45:50] [INFO ] [Real]Absence check using 100 positive place invariants in 49 ms returned sat
[2026-05-25 21:45:50] [INFO ] [Real]Absence check using state equation in 441 ms returned sat
[2026-05-25 21:45:50] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:45:50] [INFO ] [Nat]Absence check using 100 positive place invariants in 31 ms returned sat
[2026-05-25 21:45:50] [INFO ] [Nat]Absence check using state equation in 319 ms returned sat
[2026-05-25 21:45:51] [INFO ] [Nat]Added 100 Read/Feed constraints in 262 ms returned sat
[2026-05-25 21:45:51] [INFO ] Computed and/alt/rep : 600/1500/600 causal constraints (skipped 0 transitions) in 56 ms.
[2026-05-25 21:45:54] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 290 ms
[2026-05-25 21:45:54] [INFO ] Added : 266 causal constraints over 54 iterations in 3584 ms. Result :sat
Minimization took 232 ms.
[2026-05-25 21:45:55] [INFO ] [Real]Absence check using 100 positive place invariants in 31 ms returned sat
[2026-05-25 21:45:55] [INFO ] [Real]Absence check using state equation in 320 ms returned sat
[2026-05-25 21:45:55] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:45:55] [INFO ] [Nat]Absence check using 100 positive place invariants in 35 ms returned sat
[2026-05-25 21:45:56] [INFO ] [Nat]Absence check using state equation in 321 ms returned sat
[2026-05-25 21:45:56] [INFO ] [Nat]Added 100 Read/Feed constraints in 295 ms returned sat
[2026-05-25 21:45:56] [INFO ] Computed and/alt/rep : 600/1500/600 causal constraints (skipped 0 transitions) in 55 ms.
[2026-05-25 21:45:59] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 273 ms
[2026-05-25 21:45:59] [INFO ] Added : 269 causal constraints over 54 iterations in 3285 ms. Result :sat
Minimization took 502 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[26, 101, 98, 2, 100, 18, 100, 17, 100, 17, 100, 100, 17, 100, 100, 2] Max Struct:[103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[57, 101, 98, 20, 100, 101, 100, 100, 100, 50, 100, 100, 50, 100, 100, 20] Max Struct:[103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103]
Support contains 16 out of 500 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 500/500 places, 801/801 transitions.
Graph (complete) has 1200 edges and 500 vertex of which 75 are kept as prefixes of interest. Removing 425 places using SCC suffix rule.3 ms
Discarding 425 places :
Also discarding 680 output transitions
Drop transitions (Output transitions of discarded places.) removed 680 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 43 ms. Remains 75 /500 variables (removed 425) and now considering 120/801 (removed 681) 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-1903116245986995045.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2183545622174211612.kers'
[2026-05-25 21:49:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1903116245986995045.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2183545622174211612.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 21:49:17] [INFO ] Computed 15 invariants in 0 ms
Computed 15 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-2183545622174211612.kers
Total runtime 1 ms.
[2026-05-25 21:49:17] [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 3414 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, 0/195 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 7 (OVERLAPS) 0/195 variables, 1/196 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/195 variables, 0/196 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 9 (OVERLAPS) 0/195 variables, 0/196 constraints. Problems are: Problem set: 0 solved, 90 unsolved
No progress, stopping.
After SMT solving in domain Int declared 195/195 variables, and 196 constraints, problems are : Problem set: 0 solved, 90 unsolved in 13721 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: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 17193ms problems are : Problem set: 0 solved, 90 unsolved
Search for dead transitions found 0 dead transitions in 17204ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17286 ms. Remains : 75/500 places, 120/801 transitions.
[2026-05-25 21:49:34] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[57, 101, 98, 20, 100, 101, 100, 100, 100, 50, 100, 100, 50, 100, 100, 20] Max Struct:[103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103]
RANDOM walk for 1000018 steps (2 resets) in 1640 ms. (609 steps per ms)
FORMULA JoinFreeModules-PT-0100-UpperBounds-02 103 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 15000015 steps (30 resets) in 22315 ms. (672 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[102, 101, 99, 100, 101, 100, 100, 100, 99, 100, 100, 99, 100, 100, 99] Max Struct:[103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103]
[2026-05-25 21:49:58] [INFO ] Invariant cache hit.
[2026-05-25 21:49:58] [INFO ] [Real]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 21:49:59] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2026-05-25 21:49:59] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:49:59] [INFO ] [Nat]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 21:49:59] [INFO ] [Nat]Absence check using state equation in 50 ms returned sat
[2026-05-25 21:49:59] [INFO ] State equation strengthened by 15 read => feed constraints.
[2026-05-25 21:49:59] [INFO ] [Nat]Added 15 Read/Feed constraints in 64 ms returned sat
[2026-05-25 21:49:59] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:49:59] [INFO ] Added : 50 causal constraints over 12 iterations in 211 ms. Result :sat
Minimization took 28 ms.
[2026-05-25 21:49:59] [INFO ] [Real]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 21:49:59] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2026-05-25 21:49:59] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:49:59] [INFO ] [Nat]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 21:49:59] [INFO ] [Nat]Absence check using state equation in 43 ms returned sat
[2026-05-25 21:49:59] [INFO ] [Nat]Added 15 Read/Feed constraints in 149 ms returned sat
[2026-05-25 21:49:59] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:50:00] [INFO ] Added : 52 causal constraints over 11 iterations in 287 ms. Result :sat
Minimization took 29 ms.
[2026-05-25 21:50:00] [INFO ] [Real]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:00] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2026-05-25 21:50:00] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:50:00] [INFO ] [Nat]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:00] [INFO ] [Nat]Absence check using state equation in 44 ms returned sat
[2026-05-25 21:50:00] [INFO ] [Nat]Added 15 Read/Feed constraints in 120 ms returned sat
[2026-05-25 21:50:00] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:50:00] [INFO ] Added : 55 causal constraints over 12 iterations in 129 ms. Result :sat
Minimization took 44 ms.
[2026-05-25 21:50:00] [INFO ] [Real]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-25 21:50:00] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2026-05-25 21:50:00] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:50:00] [INFO ] [Nat]Absence check using 15 positive place invariants in 4 ms returned sat
[2026-05-25 21:50:00] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2026-05-25 21:50:00] [INFO ] [Nat]Added 15 Read/Feed constraints in 207 ms returned sat
[2026-05-25 21:50:00] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 21 ms.
[2026-05-25 21:50:01] [INFO ] Added : 34 causal constraints over 8 iterations in 142 ms. Result :sat
Minimization took 36 ms.
[2026-05-25 21:50:01] [INFO ] [Real]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-25 21:50:01] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2026-05-25 21:50:01] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:50:01] [INFO ] [Nat]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:01] [INFO ] [Nat]Absence check using state equation in 198 ms returned sat
[2026-05-25 21:50:01] [INFO ] [Nat]Added 15 Read/Feed constraints in 153 ms returned sat
[2026-05-25 21:50:01] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:50:01] [INFO ] Added : 27 causal constraints over 7 iterations in 82 ms. Result :sat
Minimization took 33 ms.
[2026-05-25 21:50:01] [INFO ] [Real]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-25 21:50:01] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2026-05-25 21:50:01] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:50:01] [INFO ] [Nat]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:01] [INFO ] [Nat]Absence check using state equation in 43 ms returned sat
[2026-05-25 21:50:02] [INFO ] [Nat]Added 15 Read/Feed constraints in 233 ms returned sat
[2026-05-25 21:50:02] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:50:02] [INFO ] Added : 54 causal constraints over 11 iterations in 116 ms. Result :sat
Minimization took 38 ms.
[2026-05-25 21:50:02] [INFO ] [Real]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:02] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2026-05-25 21:50:02] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:50:02] [INFO ] [Nat]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:02] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2026-05-25 21:50:02] [INFO ] [Nat]Added 15 Read/Feed constraints in 148 ms returned sat
[2026-05-25 21:50:02] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-25 21:50:02] [INFO ] Added : 53 causal constraints over 12 iterations in 129 ms. Result :sat
Minimization took 64 ms.
[2026-05-25 21:50:02] [INFO ] [Real]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:02] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2026-05-25 21:50:02] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:50:02] [INFO ] [Nat]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:02] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2026-05-25 21:50:03] [INFO ] [Nat]Added 15 Read/Feed constraints in 148 ms returned sat
[2026-05-25 21:50:03] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:50:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 36 ms
[2026-05-25 21:50:03] [INFO ] Added : 50 causal constraints over 11 iterations in 216 ms. Result :sat
Minimization took 38 ms.
[2026-05-25 21:50:03] [INFO ] [Real]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:03] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2026-05-25 21:50:03] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:50:03] [INFO ] [Nat]Absence check using 15 positive place invariants in 4 ms returned sat
[2026-05-25 21:50:03] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2026-05-25 21:50:03] [INFO ] [Nat]Added 15 Read/Feed constraints in 184 ms returned sat
[2026-05-25 21:50:03] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:50:03] [INFO ] Added : 54 causal constraints over 11 iterations in 117 ms. Result :sat
Minimization took 67 ms.
[2026-05-25 21:50:03] [INFO ] [Real]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:03] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2026-05-25 21:50:03] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:50:03] [INFO ] [Nat]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:03] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2026-05-25 21:50:04] [INFO ] [Nat]Added 15 Read/Feed constraints in 121 ms returned sat
[2026-05-25 21:50:04] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-25 21:50:04] [INFO ] Added : 48 causal constraints over 10 iterations in 227 ms. Result :sat
Minimization took 36 ms.
[2026-05-25 21:50:04] [INFO ] [Real]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:04] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2026-05-25 21:50:04] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:50:04] [INFO ] [Nat]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:04] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2026-05-25 21:50:04] [INFO ] [Nat]Added 15 Read/Feed constraints in 122 ms returned sat
[2026-05-25 21:50:04] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-25 21:50:04] [INFO ] Added : 56 causal constraints over 12 iterations in 299 ms. Result :sat
Minimization took 47 ms.
[2026-05-25 21:50:05] [INFO ] [Real]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-25 21:50:05] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2026-05-25 21:50:05] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:50:05] [INFO ] [Nat]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-25 21:50:05] [INFO ] [Nat]Absence check using state equation in 43 ms returned sat
[2026-05-25 21:50:05] [INFO ] [Nat]Added 15 Read/Feed constraints in 150 ms returned sat
[2026-05-25 21:50:05] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:50:05] [INFO ] Added : 62 causal constraints over 14 iterations in 204 ms. Result :sat
Minimization took 49 ms.
[2026-05-25 21:50:05] [INFO ] [Real]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:05] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2026-05-25 21:50:05] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:50:05] [INFO ] [Nat]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:06] [INFO ] [Nat]Absence check using state equation in 392 ms returned sat
[2026-05-25 21:50:06] [INFO ] [Nat]Added 15 Read/Feed constraints in 62 ms returned sat
[2026-05-25 21:50:06] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:50:06] [INFO ] Added : 23 causal constraints over 5 iterations in 63 ms. Result :sat
Minimization took 30 ms.
[2026-05-25 21:50:06] [INFO ] [Real]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:06] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2026-05-25 21:50:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:50:06] [INFO ] [Nat]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:06] [INFO ] [Nat]Absence check using state equation in 50 ms returned sat
[2026-05-25 21:50:06] [INFO ] [Nat]Added 15 Read/Feed constraints in 206 ms returned sat
[2026-05-25 21:50:06] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-25 21:50:06] [INFO ] Added : 54 causal constraints over 13 iterations in 194 ms. Result :sat
Minimization took 38 ms.
[2026-05-25 21:50:06] [INFO ] [Real]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:06] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2026-05-25 21:50:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:50:07] [INFO ] [Nat]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:07] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2026-05-25 21:50:07] [INFO ] [Nat]Added 15 Read/Feed constraints in 235 ms returned sat
[2026-05-25 21:50:07] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:50:07] [INFO ] Added : 38 causal constraints over 9 iterations in 155 ms. Result :sat
Minimization took 39 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[102, 101, 99, 100, 101, 100, 100, 100, 99, 100, 100, 99, 100, 100, 99] Max Struct:[103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[102, 101, 102, 100, 101, 100, 101, 100, 101, 100, 100, 101, 100, 100, 102] Max Struct:[103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103]
Support contains 15 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 70 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.1 ms
Discarding 5 places :
Also discarding 8 output transitions
Drop transitions (Output transitions of discarded places.) removed 8 transitions
Applied a total of 1 rules in 7 ms. Remains 70 /75 variables (removed 5) and now considering 112/120 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 70/75 places, 112/120 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15400838168702680459.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6565135806566057231.kers'
[2026-05-25 21:50:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15400838168702680459.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6565135806566057231.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 112 rows 70 cols 280 entries
Finished phase 1 with 56 SingleSign rule and 0 generalized
[2026-05-25 21:50:13] [INFO ] Computed 14 invariants in 0 ms
Computed 14 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-6565135806566057231.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[102, 101, 102, 100, 101, 100, 101, 100, 101, 100, 100, 101, 100, 100, 102] Max Struct:[103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103]
RANDOM walk for 1000002 steps (2 resets) in 1467 ms. (681 steps per ms)
FORMULA JoinFreeModules-PT-0100-UpperBounds-00 103 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 14000014 steps (28 resets) in 19537 ms. (716 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[101, 102, 100, 101, 100, 101, 100, 101, 100, 100, 101, 100, 100, 102] Max Struct:[103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103]
[2026-05-25 21:50:34] [INFO ] Invariant cache hit.
[2026-05-25 21:50:34] [INFO ] [Real]Absence check using 14 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:34] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2026-05-25 21:50:34] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:50:34] [INFO ] [Nat]Absence check using 14 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:34] [INFO ] [Nat]Absence check using state equation in 46 ms returned sat
[2026-05-25 21:50:34] [INFO ] State equation strengthened by 14 read => feed constraints.
[2026-05-25 21:50:34] [INFO ] [Nat]Added 14 Read/Feed constraints in 3 ms returned sat
[2026-05-25 21:50:34] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:50:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 36 ms
[2026-05-25 21:50:34] [INFO ] Added : 56 causal constraints over 12 iterations in 165 ms. Result :sat
Minimization took 39 ms.
[2026-05-25 21:50:34] [INFO ] [Real]Absence check using 14 positive place invariants in 4 ms returned sat
[2026-05-25 21:50:34] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2026-05-25 21:50:34] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:50:34] [INFO ] [Nat]Absence check using 14 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:35] [INFO ] [Nat]Absence check using state equation in 309 ms returned sat
[2026-05-25 21:50:35] [INFO ] [Nat]Added 14 Read/Feed constraints in 212 ms returned sat
[2026-05-25 21:50:35] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:50:35] [INFO ] Added : 24 causal constraints over 7 iterations in 133 ms. Result :sat
Minimization took 22 ms.
[2026-05-25 21:50:35] [INFO ] [Real]Absence check using 14 positive place invariants in 4 ms returned sat
[2026-05-25 21:50:35] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2026-05-25 21:50:35] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:50:35] [INFO ] [Nat]Absence check using 14 positive place invariants in 4 ms returned sat
[2026-05-25 21:50:35] [INFO ] [Nat]Absence check using state equation in 46 ms returned sat
[2026-05-25 21:50:35] [INFO ] [Nat]Added 14 Read/Feed constraints in 214 ms returned sat
[2026-05-25 21:50:35] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:50:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 42 ms
[2026-05-25 21:50:36] [INFO ] Added : 47 causal constraints over 11 iterations in 454 ms. Result :sat
Minimization took 35 ms.
[2026-05-25 21:50:36] [INFO ] [Real]Absence check using 14 positive place invariants in 4 ms returned sat
[2026-05-25 21:50:36] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2026-05-25 21:50:36] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:50:36] [INFO ] [Nat]Absence check using 14 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:36] [INFO ] [Nat]Absence check using state equation in 45 ms returned sat
[2026-05-25 21:50:37] [INFO ] [Nat]Added 14 Read/Feed constraints in 393 ms returned sat
[2026-05-25 21:50:37] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:50:37] [INFO ] Added : 40 causal constraints over 8 iterations in 144 ms. Result :sat
Minimization took 34 ms.
[2026-05-25 21:50:37] [INFO ] [Real]Absence check using 14 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:37] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2026-05-25 21:50:37] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:50:37] [INFO ] [Nat]Absence check using 14 positive place invariants in 4 ms returned sat
[2026-05-25 21:50:37] [INFO ] [Nat]Absence check using state equation in 44 ms returned sat
[2026-05-25 21:50:37] [INFO ] [Nat]Added 14 Read/Feed constraints in 154 ms returned sat
[2026-05-25 21:50:37] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:50:37] [INFO ] Added : 30 causal constraints over 7 iterations in 102 ms. Result :sat
Minimization took 29 ms.
[2026-05-25 21:50:37] [INFO ] [Real]Absence check using 14 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:37] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2026-05-25 21:50:37] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:50:37] [INFO ] [Nat]Absence check using 14 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:37] [INFO ] [Nat]Absence check using state equation in 46 ms returned sat
[2026-05-25 21:50:37] [INFO ] [Nat]Added 14 Read/Feed constraints in 124 ms returned sat
[2026-05-25 21:50:37] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:50:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 35 ms
[2026-05-25 21:50:38] [INFO ] Added : 33 causal constraints over 8 iterations in 209 ms. Result :sat
Minimization took 32 ms.
[2026-05-25 21:50:38] [INFO ] [Real]Absence check using 14 positive place invariants in 4 ms returned sat
[2026-05-25 21:50:38] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2026-05-25 21:50:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:50:38] [INFO ] [Nat]Absence check using 14 positive place invariants in 4 ms returned sat
[2026-05-25 21:50:38] [INFO ] [Nat]Absence check using state equation in 45 ms returned sat
[2026-05-25 21:50:38] [INFO ] [Nat]Added 14 Read/Feed constraints in 126 ms returned sat
[2026-05-25 21:50:38] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:50:38] [INFO ] Added : 28 causal constraints over 6 iterations in 67 ms. Result :sat
Minimization took 30 ms.
[2026-05-25 21:50:38] [INFO ] [Real]Absence check using 14 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:38] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2026-05-25 21:50:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:50:38] [INFO ] [Nat]Absence check using 14 positive place invariants in 4 ms returned sat
[2026-05-25 21:50:38] [INFO ] [Nat]Absence check using state equation in 162 ms returned sat
[2026-05-25 21:50:39] [INFO ] [Nat]Added 14 Read/Feed constraints in 181 ms returned sat
[2026-05-25 21:50:39] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:50:39] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 64 ms
[2026-05-25 21:50:39] [INFO ] Added : 41 causal constraints over 9 iterations in 312 ms. Result :sat
Minimization took 25 ms.
[2026-05-25 21:50:39] [INFO ] [Real]Absence check using 14 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:39] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2026-05-25 21:50:39] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:50:39] [INFO ] [Nat]Absence check using 14 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:39] [INFO ] [Nat]Absence check using state equation in 49 ms returned sat
[2026-05-25 21:50:39] [INFO ] [Nat]Added 14 Read/Feed constraints in 305 ms returned sat
[2026-05-25 21:50:39] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:50:40] [INFO ] Added : 37 causal constraints over 8 iterations in 234 ms. Result :sat
Minimization took 31 ms.
[2026-05-25 21:50:40] [INFO ] [Real]Absence check using 14 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:40] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2026-05-25 21:50:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:50:40] [INFO ] [Nat]Absence check using 14 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:40] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2026-05-25 21:50:40] [INFO ] [Nat]Added 14 Read/Feed constraints in 213 ms returned sat
[2026-05-25 21:50:40] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:50:40] [INFO ] Added : 25 causal constraints over 7 iterations in 98 ms. Result :sat
Minimization took 28 ms.
[2026-05-25 21:50:40] [INFO ] [Real]Absence check using 14 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:40] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2026-05-25 21:50:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:50:40] [INFO ] [Nat]Absence check using 14 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:40] [INFO ] [Nat]Absence check using state equation in 103 ms returned sat
[2026-05-25 21:50:40] [INFO ] [Nat]Added 14 Read/Feed constraints in 184 ms returned sat
[2026-05-25 21:50:41] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:50:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 33 ms
[2026-05-25 21:50:41] [INFO ] Added : 52 causal constraints over 12 iterations in 368 ms. Result :sat
Minimization took 49 ms.
[2026-05-25 21:50:41] [INFO ] [Real]Absence check using 14 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:41] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2026-05-25 21:50:41] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:50:41] [INFO ] [Nat]Absence check using 14 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:41] [INFO ] [Nat]Absence check using state equation in 45 ms returned sat
[2026-05-25 21:50:41] [INFO ] [Nat]Added 14 Read/Feed constraints in 247 ms returned sat
[2026-05-25 21:50:41] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:50:42] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 64 ms
[2026-05-25 21:50:42] [INFO ] Added : 38 causal constraints over 9 iterations in 190 ms. Result :sat
Minimization took 31 ms.
[2026-05-25 21:50:42] [INFO ] [Real]Absence check using 14 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:42] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2026-05-25 21:50:42] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:50:42] [INFO ] [Nat]Absence check using 14 positive place invariants in 5 ms returned sat
[2026-05-25 21:50:42] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2026-05-25 21:50:42] [INFO ] [Nat]Added 14 Read/Feed constraints in 185 ms returned sat
[2026-05-25 21:50:42] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:50:42] [INFO ] Added : 43 causal constraints over 10 iterations in 193 ms. Result :sat
Minimization took 33 ms.
[2026-05-25 21:50:42] [INFO ] [Real]Absence check using 14 positive place invariants in 4 ms returned sat
[2026-05-25 21:50:42] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2026-05-25 21:50:42] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:50:42] [INFO ] [Nat]Absence check using 14 positive place invariants in 4 ms returned sat
[2026-05-25 21:50:42] [INFO ] [Nat]Absence check using state equation in 41 ms returned sat
[2026-05-25 21:50:42] [INFO ] [Nat]Added 14 Read/Feed constraints in 125 ms returned sat
[2026-05-25 21:50:42] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:50:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 34 ms
[2026-05-25 21:50:43] [INFO ] Added : 51 causal constraints over 11 iterations in 209 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[101, 102, 100, 101, 100, 101, 100, 101, 100, 100, 101, 100, 100, 102] Max Struct:[103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[101, 102, 100, 101, 100, 101, 100, 102, 100, 100, 101, 100, 100, 102] Max Struct:[103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103]
Support contains 14 out of 70 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 70/70 places, 112/112 transitions.
Graph (complete) has 168 edges and 70 vertex of which 65 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.1 ms
Discarding 5 places :
Also discarding 8 output transitions
Drop transitions (Output transitions of discarded places.) removed 8 transitions
Applied a total of 1 rules in 5 ms. Remains 65 /70 variables (removed 5) and now considering 104/112 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 65/70 places, 104/112 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15242079547379898799.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3521668096801288982.kers'
[2026-05-25 21:50:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15242079547379898799.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3521668096801288982.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 104 rows 65 cols 260 entries
Finished phase 1 with 52 SingleSign rule and 0 generalized
[2026-05-25 21:50:47] [INFO ] Computed 13 invariants in 0 ms
Computed 13 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-3521668096801288982.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[101, 102, 100, 101, 100, 101, 100, 102, 100, 100, 101, 100, 100, 102] Max Struct:[103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103]
RANDOM walk for 1000015 steps (2 resets) in 1359 ms. (735 steps per ms)
BEST_FIRST walk for 14000013 steps (28 resets) in 18043 ms. (775 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[101, 102, 100, 101, 100, 101, 100, 102, 100, 100, 101, 100, 100, 102] Max Struct:[103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103]
[2026-05-25 21:51:07] [INFO ] Invariant cache hit.
[2026-05-25 21:51:07] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2026-05-25 21:51:07] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2026-05-25 21:51:07] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:51:07] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2026-05-25 21:51:07] [INFO ] [Nat]Absence check using state equation in 228 ms returned sat
[2026-05-25 21:51:07] [INFO ] State equation strengthened by 13 read => feed constraints.
[2026-05-25 21:51:07] [INFO ] [Nat]Added 13 Read/Feed constraints in 64 ms returned sat
[2026-05-25 21:51:07] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:51:07] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 36 ms
[2026-05-25 21:51:07] [INFO ] Added : 33 causal constraints over 7 iterations in 234 ms. Result :sat
Minimization took 23 ms.
[2026-05-25 21:51:07] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2026-05-25 21:51:07] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2026-05-25 21:51:07] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:51:07] [INFO ] [Nat]Absence check using 13 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:08] [INFO ] [Nat]Absence check using state equation in 222 ms returned sat
[2026-05-25 21:51:08] [INFO ] [Nat]Added 13 Read/Feed constraints in 64 ms returned sat
[2026-05-25 21:51:08] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:51:08] [INFO ] Added : 55 causal constraints over 13 iterations in 241 ms. Result :sat
Minimization took 26 ms.
[2026-05-25 21:51:08] [INFO ] [Real]Absence check using 13 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:08] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2026-05-25 21:51:08] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:51:08] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2026-05-25 21:51:08] [INFO ] [Nat]Absence check using state equation in 225 ms returned sat
[2026-05-25 21:51:08] [INFO ] [Nat]Added 13 Read/Feed constraints in 94 ms returned sat
[2026-05-25 21:51:08] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:51:09] [INFO ] Added : 31 causal constraints over 7 iterations in 71 ms. Result :sat
Minimization took 27 ms.
[2026-05-25 21:51:09] [INFO ] [Real]Absence check using 13 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:09] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2026-05-25 21:51:09] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:51:09] [INFO ] [Nat]Absence check using 13 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:09] [INFO ] [Nat]Absence check using state equation in 224 ms returned sat
[2026-05-25 21:51:09] [INFO ] [Nat]Added 13 Read/Feed constraints in 3 ms returned sat
[2026-05-25 21:51:09] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:51:09] [INFO ] Added : 44 causal constraints over 11 iterations in 170 ms. Result :sat
Minimization took 33 ms.
[2026-05-25 21:51:09] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2026-05-25 21:51:09] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2026-05-25 21:51:09] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:51:09] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2026-05-25 21:51:09] [INFO ] [Nat]Absence check using state equation in 44 ms returned sat
[2026-05-25 21:51:10] [INFO ] [Nat]Added 13 Read/Feed constraints in 249 ms returned sat
[2026-05-25 21:51:10] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:51:10] [INFO ] Added : 49 causal constraints over 11 iterations in 167 ms. Result :sat
Minimization took 33 ms.
[2026-05-25 21:51:10] [INFO ] [Real]Absence check using 13 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:10] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2026-05-25 21:51:10] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:51:10] [INFO ] [Nat]Absence check using 13 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:10] [INFO ] [Nat]Absence check using state equation in 49 ms returned sat
[2026-05-25 21:51:10] [INFO ] [Nat]Added 13 Read/Feed constraints in 66 ms returned sat
[2026-05-25 21:51:10] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:51:10] [INFO ] Added : 64 causal constraints over 14 iterations in 136 ms. Result :sat
Minimization took 58 ms.
[2026-05-25 21:51:10] [INFO ] [Real]Absence check using 13 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:10] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2026-05-25 21:51:10] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:51:10] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2026-05-25 21:51:10] [INFO ] [Nat]Absence check using state equation in 104 ms returned sat
[2026-05-25 21:51:10] [INFO ] [Nat]Added 13 Read/Feed constraints in 96 ms returned sat
[2026-05-25 21:51:10] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:51:11] [INFO ] Added : 31 causal constraints over 7 iterations in 192 ms. Result :sat
Minimization took 28 ms.
[2026-05-25 21:51:11] [INFO ] [Real]Absence check using 13 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:11] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2026-05-25 21:51:11] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:51:11] [INFO ] [Nat]Absence check using 13 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:11] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2026-05-25 21:51:11] [INFO ] [Nat]Added 13 Read/Feed constraints in 3 ms returned sat
[2026-05-25 21:51:11] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:51:11] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 2 trap constraints in 63 ms
Minimization took 22 ms.
[2026-05-25 21:51:11] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2026-05-25 21:51:11] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2026-05-25 21:51:11] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:51:11] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2026-05-25 21:51:12] [INFO ] [Nat]Absence check using state equation in 378 ms returned sat
[2026-05-25 21:51:12] [INFO ] [Nat]Added 13 Read/Feed constraints in 123 ms returned sat
[2026-05-25 21:51:12] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:51:12] [INFO ] Added : 14 causal constraints over 5 iterations in 53 ms. Result :sat
Minimization took 29 ms.
[2026-05-25 21:51:12] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2026-05-25 21:51:12] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2026-05-25 21:51:12] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:51:12] [INFO ] [Nat]Absence check using 13 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:12] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2026-05-25 21:51:12] [INFO ] [Nat]Added 13 Read/Feed constraints in 219 ms returned sat
[2026-05-25 21:51:12] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:51:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 37 ms
[2026-05-25 21:51:12] [INFO ] Added : 55 causal constraints over 13 iterations in 170 ms. Result :sat
Minimization took 46 ms.
[2026-05-25 21:51:13] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2026-05-25 21:51:13] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2026-05-25 21:51:13] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:51:13] [INFO ] [Nat]Absence check using 13 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:13] [INFO ] [Nat]Absence check using state equation in 113 ms returned sat
[2026-05-25 21:51:13] [INFO ] [Nat]Added 13 Read/Feed constraints in 3 ms returned sat
[2026-05-25 21:51:13] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:51:13] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 37 ms
[2026-05-25 21:51:13] [INFO ] Added : 46 causal constraints over 10 iterations in 137 ms. Result :sat
Minimization took 34 ms.
[2026-05-25 21:51:13] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2026-05-25 21:51:13] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2026-05-25 21:51:13] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:51:13] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2026-05-25 21:51:13] [INFO ] [Nat]Absence check using state equation in 226 ms returned sat
[2026-05-25 21:51:13] [INFO ] [Nat]Added 13 Read/Feed constraints in 125 ms returned sat
[2026-05-25 21:51:13] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:51:13] [INFO ] Added : 31 causal constraints over 7 iterations in 104 ms. Result :sat
Minimization took 28 ms.
[2026-05-25 21:51:14] [INFO ] [Real]Absence check using 13 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:14] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2026-05-25 21:51:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:51:14] [INFO ] [Nat]Absence check using 13 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:14] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2026-05-25 21:51:14] [INFO ] [Nat]Added 13 Read/Feed constraints in 220 ms returned sat
[2026-05-25 21:51:14] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:51:14] [INFO ] Added : 53 causal constraints over 12 iterations in 269 ms. Result :sat
Minimization took 35 ms.
[2026-05-25 21:51:14] [INFO ] [Real]Absence check using 13 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:14] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2026-05-25 21:51:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:51:14] [INFO ] [Nat]Absence check using 13 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:14] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2026-05-25 21:51:15] [INFO ] [Nat]Added 13 Read/Feed constraints in 398 ms returned sat
[2026-05-25 21:51:15] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:51:15] [INFO ] Added : 53 causal constraints over 11 iterations in 111 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[101, 102, 100, 101, 100, 101, 100, 102, 100, 100, 101, 100, 100, 102] Max Struct:[103, 103, 103, 103, 103, 103, 103, 102, 103, 103, 103, 103, 103, 103]
FORMULA JoinFreeModules-PT-0100-UpperBounds-09 102 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[101, 102, 100, 101, 100, 101, 100, 100, 100, 101, 100, 100, 102] Max Struct:[103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103]
Support contains 13 out of 65 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 65/65 places, 104/104 transitions.
Graph (complete) has 156 edges and 65 vertex of which 60 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.0 ms
Discarding 5 places :
Also discarding 8 output transitions
Drop transitions (Output transitions of discarded places.) removed 8 transitions
Applied a total of 1 rules in 5 ms. Remains 60 /65 variables (removed 5) and now considering 96/104 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 60/65 places, 96/104 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7100023777725802342.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8636591786042854530.kers'
[2026-05-25 21:51:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7100023777725802342.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8636591786042854530.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 96 rows 60 cols 240 entries
Finished phase 1 with 48 SingleSign rule and 0 generalized
[2026-05-25 21:51:19] [INFO ] Computed 12 invariants in 0 ms
Computed 12 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8636591786042854530.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[101, 102, 100, 101, 100, 101, 100, 100, 100, 101, 100, 100, 102] Max Struct:[103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103]
RANDOM walk for 1000011 steps (2 resets) in 1259 ms. (793 steps per ms)
BEST_FIRST walk for 13000013 steps (26 resets) in 15559 ms. (835 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[101, 102, 100, 101, 100, 101, 100, 100, 100, 101, 100, 100, 102] Max Struct:[103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103]
[2026-05-25 21:51:35] [INFO ] Invariant cache hit.
[2026-05-25 21:51:36] [INFO ] [Real]Absence check using 12 positive place invariants in 5 ms returned sat
[2026-05-25 21:51:36] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2026-05-25 21:51:36] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:51:36] [INFO ] [Nat]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:36] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2026-05-25 21:51:36] [INFO ] State equation strengthened by 12 read => feed constraints.
[2026-05-25 21:51:36] [INFO ] [Nat]Added 12 Read/Feed constraints in 3 ms returned sat
[2026-05-25 21:51:36] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:51:36] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 102 ms
[2026-05-25 21:51:36] [INFO ] Added : 64 causal constraints over 16 iterations in 393 ms. Result :sat
Minimization took 38 ms.
[2026-05-25 21:51:36] [INFO ] [Real]Absence check using 12 positive place invariants in 3 ms returned sat
[2026-05-25 21:51:36] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2026-05-25 21:51:36] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:51:36] [INFO ] [Nat]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:36] [INFO ] [Nat]Absence check using state equation in 64 ms returned sat
[2026-05-25 21:51:36] [INFO ] [Nat]Added 12 Read/Feed constraints in 139 ms returned sat
[2026-05-25 21:51:36] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 22 ms
[2026-05-25 21:51:36] [INFO ] [Real]Absence check using 12 positive place invariants in 3 ms returned sat
[2026-05-25 21:51:36] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2026-05-25 21:51:36] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:51:36] [INFO ] [Nat]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:37] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2026-05-25 21:51:37] [INFO ] [Nat]Added 12 Read/Feed constraints in 110 ms returned sat
[2026-05-25 21:51:37] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:51:37] [INFO ] Added : 35 causal constraints over 8 iterations in 77 ms. Result :sat
Minimization took 29 ms.
[2026-05-25 21:51:37] [INFO ] [Real]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:37] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2026-05-25 21:51:37] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:51:37] [INFO ] [Nat]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:37] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2026-05-25 21:51:37] [INFO ] [Nat]Added 12 Read/Feed constraints in 3 ms returned sat
[2026-05-25 21:51:37] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-25 21:51:37] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 84 ms
[2026-05-25 21:51:37] [INFO ] Added : 63 causal constraints over 13 iterations in 240 ms. Result :sat
Minimization took 48 ms.
[2026-05-25 21:51:37] [INFO ] [Real]Absence check using 12 positive place invariants in 5 ms returned sat
[2026-05-25 21:51:37] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2026-05-25 21:51:37] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:51:37] [INFO ] [Nat]Absence check using 12 positive place invariants in 5 ms returned sat
[2026-05-25 21:51:38] [INFO ] [Nat]Absence check using state equation in 250 ms returned sat
[2026-05-25 21:51:38] [INFO ] [Nat]Added 12 Read/Feed constraints in 174 ms returned sat
[2026-05-25 21:51:38] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:51:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 29 ms
[2026-05-25 21:51:38] [INFO ] Added : 21 causal constraints over 7 iterations in 133 ms. Result :sat
Minimization took 23 ms.
[2026-05-25 21:51:38] [INFO ] [Real]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:38] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2026-05-25 21:51:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:51:38] [INFO ] [Nat]Absence check using 12 positive place invariants in 3 ms returned sat
[2026-05-25 21:51:38] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2026-05-25 21:51:38] [INFO ] [Nat]Added 12 Read/Feed constraints in 3 ms returned sat
[2026-05-25 21:51:38] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:51:38] [INFO ] Added : 52 causal constraints over 12 iterations in 111 ms. Result :sat
Minimization took 41 ms.
[2026-05-25 21:51:38] [INFO ] [Real]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:38] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2026-05-25 21:51:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:51:38] [INFO ] [Nat]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:38] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2026-05-25 21:51:38] [INFO ] [Nat]Added 12 Read/Feed constraints in 111 ms returned sat
[2026-05-25 21:51:38] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:51:39] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 65 ms
[2026-05-25 21:51:39] [INFO ] Added : 48 causal constraints over 10 iterations in 198 ms. Result :sat
Minimization took 32 ms.
[2026-05-25 21:51:39] [INFO ] [Real]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:39] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2026-05-25 21:51:39] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:51:39] [INFO ] [Nat]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:39] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2026-05-25 21:51:39] [INFO ] [Nat]Added 12 Read/Feed constraints in 212 ms returned sat
[2026-05-25 21:51:39] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:51:39] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 30 ms
[2026-05-25 21:51:39] [INFO ] Added : 50 causal constraints over 13 iterations in 250 ms. Result :sat
Minimization took 32 ms.
[2026-05-25 21:51:39] [INFO ] [Real]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:39] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2026-05-25 21:51:39] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:51:39] [INFO ] [Nat]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:40] [INFO ] [Nat]Absence check using state equation in 410 ms returned sat
[2026-05-25 21:51:40] [INFO ] [Nat]Added 12 Read/Feed constraints in 298 ms returned sat
[2026-05-25 21:51:40] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:51:40] [INFO ] Added : 25 causal constraints over 6 iterations in 102 ms. Result :sat
Minimization took 29 ms.
[2026-05-25 21:51:40] [INFO ] [Real]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:40] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2026-05-25 21:51:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:51:40] [INFO ] [Nat]Absence check using 12 positive place invariants in 3 ms returned sat
[2026-05-25 21:51:40] [INFO ] [Nat]Absence check using state equation in 66 ms returned sat
[2026-05-25 21:51:41] [INFO ] [Nat]Added 12 Read/Feed constraints in 188 ms returned sat
[2026-05-25 21:51:41] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:51:41] [INFO ] Added : 46 causal constraints over 11 iterations in 254 ms. Result :sat
Minimization took 44 ms.
[2026-05-25 21:51:41] [INFO ] [Real]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:41] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2026-05-25 21:51:41] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:51:41] [INFO ] [Nat]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:41] [INFO ] [Nat]Absence check using state equation in 245 ms returned sat
[2026-05-25 21:51:41] [INFO ] [Nat]Added 12 Read/Feed constraints in 70 ms returned sat
[2026-05-25 21:51:41] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-25 21:51:41] [INFO ] Added : 29 causal constraints over 7 iterations in 134 ms. Result :sat
Minimization took 37 ms.
[2026-05-25 21:51:42] [INFO ] [Real]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:42] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2026-05-25 21:51:42] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:51:42] [INFO ] [Nat]Absence check using 12 positive place invariants in 3 ms returned sat
[2026-05-25 21:51:42] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2026-05-25 21:51:42] [INFO ] [Nat]Added 12 Read/Feed constraints in 109 ms returned sat
[2026-05-25 21:51:42] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:51:42] [INFO ] Added : 51 causal constraints over 13 iterations in 117 ms. Result :sat
Minimization took 33 ms.
[2026-05-25 21:51:42] [INFO ] [Real]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:42] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2026-05-25 21:51:42] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:51:42] [INFO ] [Nat]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:42] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2026-05-25 21:51:42] [INFO ] [Nat]Added 12 Read/Feed constraints in 44 ms returned sat
[2026-05-25 21:51:42] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:51:42] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 30 ms
Minimization took 18 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[101, 102, 100, 101, 100, 101, 100, 100, 100, 101, 100, 100, 102] Max Struct:[103, 102, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 102]
FORMULA JoinFreeModules-PT-0100-UpperBounds-15 102 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA JoinFreeModules-PT-0100-UpperBounds-03 102 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[101, 100, 101, 100, 101, 100, 100, 100, 101, 100, 100] Max Struct:[103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103]
Support contains 11 out of 60 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 60/60 places, 96/96 transitions.
Graph (complete) has 144 edges and 60 vertex of which 55 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.0 ms
Discarding 5 places :
Also discarding 8 output transitions
Drop transitions (Output transitions of discarded places.) removed 8 transitions
Applied a total of 1 rules in 5 ms. Remains 55 /60 variables (removed 5) and now considering 88/96 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 55/60 places, 88/96 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2555200653911571172.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7708007255640068530.kers'
[2026-05-25 21:51:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2555200653911571172.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7708007255640068530.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 88 rows 55 cols 220 entries
Finished phase 1 with 44 SingleSign rule and 0 generalized
[2026-05-25 21:51:45] [INFO ] Computed 11 invariants in 0 ms
Computed 11 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-7708007255640068530.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[101, 100, 101, 100, 101, 100, 100, 100, 101, 100, 100] Max Struct:[103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103]
RANDOM walk for 1000016 steps (2 resets) in 1156 ms. (864 steps per ms)
BEST_FIRST walk for 11000010 steps (22 resets) in 12037 ms. (913 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[101, 100, 101, 100, 101, 100, 100, 100, 102, 100, 100] Max Struct:[103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103]
[2026-05-25 21:51:58] [INFO ] Invariant cache hit.
[2026-05-25 21:51:58] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:58] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2026-05-25 21:51:58] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:51:58] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:58] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2026-05-25 21:51:58] [INFO ] State equation strengthened by 11 read => feed constraints.
[2026-05-25 21:51:58] [INFO ] [Nat]Added 11 Read/Feed constraints in 3 ms returned sat
[2026-05-25 21:51:58] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:51:59] [INFO ] Added : 46 causal constraints over 10 iterations in 249 ms. Result :sat
Minimization took 34 ms.
[2026-05-25 21:51:59] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-25 21:51:59] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2026-05-25 21:51:59] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:51:59] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-25 21:51:59] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2026-05-25 21:51:59] [INFO ] [Nat]Added 11 Read/Feed constraints in 116 ms returned sat
[2026-05-25 21:51:59] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:51:59] [INFO ] Added : 38 causal constraints over 8 iterations in 112 ms. Result :sat
Minimization took 30 ms.
[2026-05-25 21:51:59] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 21:51:59] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2026-05-25 21:51:59] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:51:59] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-25 21:51:59] [INFO ] [Nat]Absence check using state equation in 268 ms returned sat
[2026-05-25 21:52:00] [INFO ] [Nat]Added 11 Read/Feed constraints in 321 ms returned sat
[2026-05-25 21:52:00] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:52:00] [INFO ] Added : 40 causal constraints over 9 iterations in 231 ms. Result :sat
Minimization took 31 ms.
[2026-05-25 21:52:00] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 21:52:00] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2026-05-25 21:52:00] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:52:00] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 21:52:00] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2026-05-25 21:52:00] [INFO ] [Nat]Added 11 Read/Feed constraints in 194 ms returned sat
[2026-05-25 21:52:00] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-25 21:52:00] [INFO ] Added : 39 causal constraints over 8 iterations in 75 ms. Result :sat
Minimization took 28 ms.
[2026-05-25 21:52:00] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 21:52:00] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2026-05-25 21:52:00] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:52:00] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 21:52:00] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2026-05-25 21:52:01] [INFO ] [Nat]Added 11 Read/Feed constraints in 115 ms returned sat
[2026-05-25 21:52:01] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:52:01] [INFO ] Added : 43 causal constraints over 9 iterations in 127 ms. Result :sat
Minimization took 32 ms.
[2026-05-25 21:52:01] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 21:52:01] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2026-05-25 21:52:01] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:52:01] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-25 21:52:01] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2026-05-25 21:52:01] [INFO ] [Nat]Added 11 Read/Feed constraints in 151 ms returned sat
[2026-05-25 21:52:01] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:52:01] [INFO ] Added : 41 causal constraints over 9 iterations in 122 ms. Result :sat
Minimization took 28 ms.
[2026-05-25 21:52:01] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 21:52:01] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2026-05-25 21:52:01] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:52:01] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 21:52:01] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2026-05-25 21:52:02] [INFO ] [Nat]Added 11 Read/Feed constraints in 183 ms returned sat
[2026-05-25 21:52:02] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:52:02] [INFO ] Added : 36 causal constraints over 8 iterations in 74 ms. Result :sat
Minimization took 27 ms.
[2026-05-25 21:52:02] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 21:52:02] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2026-05-25 21:52:02] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:52:02] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 21:52:02] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2026-05-25 21:52:02] [INFO ] [Nat]Added 11 Read/Feed constraints in 185 ms returned sat
[2026-05-25 21:52:02] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:52:02] [INFO ] Added : 46 causal constraints over 11 iterations in 96 ms. Result :sat
Minimization took 38 ms.
[2026-05-25 21:52:02] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 21:52:02] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2026-05-25 21:52:02] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:52:02] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 21:52:02] [INFO ] [Nat]Absence check using state equation in 73 ms returned sat
[2026-05-25 21:52:02] [INFO ] [Nat]Added 11 Read/Feed constraints in 173 ms returned sat
[2026-05-25 21:52:02] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:52:03] [INFO ] Added : 36 causal constraints over 9 iterations in 149 ms. Result :sat
Minimization took 21 ms.
[2026-05-25 21:52:03] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 21:52:03] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2026-05-25 21:52:03] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:52:03] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-25 21:52:03] [INFO ] [Nat]Absence check using state equation in 169 ms returned sat
[2026-05-25 21:52:03] [INFO ] [Nat]Added 11 Read/Feed constraints in 101 ms returned sat
[2026-05-25 21:52:03] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-25 21:52:03] [INFO ] Added : 32 causal constraints over 8 iterations in 182 ms. Result :sat
Minimization took 25 ms.
[2026-05-25 21:52:03] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 21:52:03] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2026-05-25 21:52:03] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:52:03] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-25 21:52:03] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2026-05-25 21:52:03] [INFO ] [Nat]Added 11 Read/Feed constraints in 108 ms returned sat
[2026-05-25 21:52:03] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-25 21:52:04] [INFO ] Added : 42 causal constraints over 10 iterations in 206 ms. Result :sat
Minimization took 37 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[101, 100, 101, 100, 101, 100, 100, 100, 102, 100, 100] Max Struct:[103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[101, 100, 101, 100, 101, 100, 100, 100, 102, 100, 100] Max Struct:[103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103]
Support contains 11 out of 55 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Applied a total of 0 rules in 3 ms. Remains 55 /55 variables (removed 0) and now considering 88/88 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 55/55 places, 88/88 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Applied a total of 0 rules in 3 ms. Remains 55 /55 variables (removed 0) and now considering 88/88 (removed 0) transitions.
[2026-05-25 21:52:06] [INFO ] Invariant cache hit.
[2026-05-25 21:52:06] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-25 21:52:06] [INFO ] Invariant cache hit.
[2026-05-25 21:52:06] [INFO ] State equation strengthened by 11 read => feed constraints.
[2026-05-25 21:52:06] [INFO ] Implicit Places using invariants and state equation in 60 ms returned []
Implicit Place search using SMT with State Equation took 88 ms to find 0 implicit places.
[2026-05-25 21:52:06] [INFO ] Redundant transitions in 2 ms returned []
Running 66 sub problems to find dead transitions.
[2026-05-25 21:52:06] [INFO ] Invariant cache hit.
[2026-05-25 21:52:06] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 1 (OVERLAPS) 11/55 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 3 (OVERLAPS) 88/143 variables, 55/66 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/143 variables, 11/77 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/143 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 6 (OVERLAPS) 0/143 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 66 unsolved
No progress, stopping.
After SMT solving in domain Real declared 143/143 variables, and 77 constraints, problems are : Problem set: 0 solved, 66 unsolved in 1909 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 55/55 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 66/66 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 66 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 1 (OVERLAPS) 11/55 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 3 (OVERLAPS) 88/143 variables, 55/66 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/143 variables, 11/77 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/143 variables, 66/143 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 3/146 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/143 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 8 (OVERLAPS) 0/143 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 66 unsolved
No progress, stopping.
After SMT solving in domain Int declared 143/143 variables, and 146 constraints, problems are : Problem set: 0 solved, 66 unsolved in 21371 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 55/55 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 66/66 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 23294ms problems are : Problem set: 0 solved, 66 unsolved
Search for dead transitions found 0 dead transitions in 23295ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23396 ms. Remains : 55/55 places, 88/88 transitions.
[2026-05-25 21:52:29] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[101, 100, 101, 100, 101, 100, 100, 100, 102, 100, 100] Max Struct:[103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103]
RANDOM walk for 1000019 steps (2 resets) in 1220 ms. (819 steps per ms)
BEST_FIRST walk for 11000011 steps (22 resets) in 12704 ms. (865 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[101, 100, 101, 100, 101, 100, 100, 100, 102, 100, 100] Max Struct:[103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103]
[2026-05-25 21:52:43] [INFO ] Invariant cache hit.
[2026-05-25 21:52:43] [INFO ] [Real]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-25 21:52:43] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2026-05-25 21:52:43] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:52:43] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-25 21:52:43] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2026-05-25 21:52:43] [INFO ] State equation strengthened by 11 read => feed constraints.
[2026-05-25 21:52:43] [INFO ] [Nat]Added 11 Read/Feed constraints in 5 ms returned sat
[2026-05-25 21:52:43] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:52:44] [INFO ] Added : 46 causal constraints over 10 iterations in 267 ms. Result :sat
Minimization took 34 ms.
[2026-05-25 21:52:44] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 21:52:44] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2026-05-25 21:52:44] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:52:44] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 21:52:44] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2026-05-25 21:52:44] [INFO ] [Nat]Added 11 Read/Feed constraints in 122 ms returned sat
[2026-05-25 21:52:44] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:52:44] [INFO ] Added : 38 causal constraints over 8 iterations in 119 ms. Result :sat
Minimization took 29 ms.
[2026-05-25 21:52:44] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 21:52:44] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2026-05-25 21:52:44] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:52:44] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 21:52:44] [INFO ] [Nat]Absence check using state equation in 282 ms returned sat
[2026-05-25 21:52:45] [INFO ] [Nat]Added 11 Read/Feed constraints in 339 ms returned sat
[2026-05-25 21:52:45] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:52:45] [INFO ] Added : 40 causal constraints over 9 iterations in 248 ms. Result :sat
Minimization took 30 ms.
[2026-05-25 21:52:45] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 21:52:45] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2026-05-25 21:52:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:52:45] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 21:52:45] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2026-05-25 21:52:45] [INFO ] [Nat]Added 11 Read/Feed constraints in 206 ms returned sat
[2026-05-25 21:52:45] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:52:46] [INFO ] Added : 39 causal constraints over 8 iterations in 81 ms. Result :sat
Minimization took 29 ms.
[2026-05-25 21:52:46] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 21:52:46] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2026-05-25 21:52:46] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:52:46] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 21:52:46] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2026-05-25 21:52:46] [INFO ] [Nat]Added 11 Read/Feed constraints in 123 ms returned sat
[2026-05-25 21:52:46] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:52:46] [INFO ] Added : 43 causal constraints over 9 iterations in 133 ms. Result :sat
Minimization took 32 ms.
[2026-05-25 21:52:46] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 21:52:46] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2026-05-25 21:52:46] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:52:46] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-25 21:52:46] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2026-05-25 21:52:46] [INFO ] [Nat]Added 11 Read/Feed constraints in 162 ms returned sat
[2026-05-25 21:52:46] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:52:46] [INFO ] Added : 41 causal constraints over 9 iterations in 129 ms. Result :sat
Minimization took 31 ms.
[2026-05-25 21:52:46] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-25 21:52:47] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2026-05-25 21:52:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:52:47] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 21:52:47] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2026-05-25 21:52:47] [INFO ] [Nat]Added 11 Read/Feed constraints in 194 ms returned sat
[2026-05-25 21:52:47] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:52:47] [INFO ] Added : 36 causal constraints over 8 iterations in 79 ms. Result :sat
Minimization took 29 ms.
[2026-05-25 21:52:47] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 21:52:47] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2026-05-25 21:52:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:52:47] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 21:52:47] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2026-05-25 21:52:47] [INFO ] [Nat]Added 11 Read/Feed constraints in 197 ms returned sat
[2026-05-25 21:52:47] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-25 21:52:47] [INFO ] Added : 46 causal constraints over 11 iterations in 103 ms. Result :sat
Minimization took 39 ms.
[2026-05-25 21:52:47] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 21:52:47] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2026-05-25 21:52:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:52:47] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-25 21:52:48] [INFO ] [Nat]Absence check using state equation in 78 ms returned sat
[2026-05-25 21:52:48] [INFO ] [Nat]Added 11 Read/Feed constraints in 185 ms returned sat
[2026-05-25 21:52:48] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-25 21:52:48] [INFO ] Added : 36 causal constraints over 9 iterations in 158 ms. Result :sat
Minimization took 23 ms.
[2026-05-25 21:52:48] [INFO ] [Real]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-25 21:52:48] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2026-05-25 21:52:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:52:48] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 21:52:48] [INFO ] [Nat]Absence check using state equation in 182 ms returned sat
[2026-05-25 21:52:48] [INFO ] [Nat]Added 11 Read/Feed constraints in 108 ms returned sat
[2026-05-25 21:52:48] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:52:49] [INFO ] Added : 32 causal constraints over 8 iterations in 197 ms. Result :sat
Minimization took 28 ms.
[2026-05-25 21:52:49] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 21:52:49] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2026-05-25 21:52:49] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 21:52:49] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-25 21:52:49] [INFO ] [Nat]Absence check using state equation in 41 ms returned sat
[2026-05-25 21:52:49] [INFO ] [Nat]Added 11 Read/Feed constraints in 115 ms returned sat
[2026-05-25 21:52:49] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:52:49] [INFO ] Added : 42 causal constraints over 10 iterations in 226 ms. Result :sat
Minimization took 40 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[101, 100, 101, 100, 101, 100, 100, 100, 102, 100, 100] Max Struct:[103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[101, 100, 101, 100, 101, 100, 100, 100, 102, 100, 100] Max Struct:[103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103]
Support contains 11 out of 55 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Applied a total of 0 rules in 7 ms. Remains 55 /55 variables (removed 0) and now considering 88/88 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 55/55 places, 88/88 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Applied a total of 0 rules in 3 ms. Remains 55 /55 variables (removed 0) and now considering 88/88 (removed 0) transitions.
[2026-05-25 21:52:51] [INFO ] Invariant cache hit.
[2026-05-25 21:52:51] [INFO ] Implicit Places using invariants in 27 ms returned []
[2026-05-25 21:52:51] [INFO ] Invariant cache hit.
[2026-05-25 21:52:52] [INFO ] State equation strengthened by 11 read => feed constraints.
[2026-05-25 21:52:52] [INFO ] Implicit Places using invariants and state equation in 64 ms returned []
Implicit Place search using SMT with State Equation took 92 ms to find 0 implicit places.
[2026-05-25 21:52:52] [INFO ] Redundant transitions in 2 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 103 ms. Remains : 55/55 places, 88/88 transitions.
RANDOM walk for 40055 steps (8 resets) in 455 ms. (87 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 30 ms. (129 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 32 ms. (121 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 35 ms. (111 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 30 ms. (129 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4003 steps (8 resets) in 34 ms. (114 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 34 ms. (114 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 30 ms. (129 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 33 ms. (117 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 35 ms. (111 steps per ms) remains 22/22 properties
[2026-05-25 21:52:52] [INFO ] Flatten gal took : 85 ms
[2026-05-25 21:52:52] [INFO ] Flatten gal took : 36 ms
[2026-05-25 21:52:52] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1256708716839236733.gal : 17 ms
[2026-05-25 21:52:52] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17372738441772053421.prop : 2 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/ReachabilityCardinality1256708716839236733.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17372738441772053421.prop' '--nowitness' '--gen-order' 'FOLLOW'

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/ReachabilityCardinality17372738441772053421.prop.
SDD proceeding with computation,22 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,22 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,22 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,22 properties remain. new max is 32
SDD size :76 after 246
SDD proceeding with computation,22 properties remain. new max is 64
SDD size :246 after 851
SDD proceeding with computation,22 properties remain. new max is 128
SDD size :851 after 2815
SDD proceeding with computation,22 properties remain. new max is 256
SDD size :2815 after 5105
SDD proceeding with computation,22 properties remain. new max is 512
SDD size :5105 after 608293
SDD proceeding with computation,22 properties remain. new max is 1024
SDD size :608293 after 1.71184e+06
Interrupted probabilistic random walk after 101053 steps, run timeout after 3001 ms. (steps per millisecond=33 ) properties seen :0 out of 22
Probabilistic random walk after 101053 steps, saw 92259 distinct states, run finished after 3012 ms. (steps per millisecond=33 ) properties seen :0
[2026-05-25 21:52:55] [INFO ] Invariant cache hit.
[2026-05-25 21:52:55] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 44/55 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 22 unsolved
Problem MAX0 is UNSAT
SDD proceeding with computation,22 properties remain. new max is 2048
SDD size :1.71184e+06 after 3.13478e+12
Problem MAX1 is UNSAT
Problem MAX2 is UNSAT
Problem MAX3 is UNSAT
Problem MAX4 is UNSAT
Problem MAX5 is UNSAT
Problem MAX6 is UNSAT
Problem MAX7 is UNSAT
Problem MAX8 is UNSAT
Problem MIN8 is UNSAT
Problem MAX9 is UNSAT
Problem MAX10 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 11/22 constraints. Problems are: Problem set: 12 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/55 variables, 0/22 constraints. Problems are: Problem set: 12 solved, 10 unsolved
At refinement iteration 4 (OVERLAPS) 88/143 variables, 55/77 constraints. Problems are: Problem set: 12 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/143 variables, 11/88 constraints. Problems are: Problem set: 12 solved, 10 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 0/88 constraints. Problems are: Problem set: 12 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 0/143 variables, 0/88 constraints. Problems are: Problem set: 12 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 143/143 variables, and 88 constraints, problems are : Problem set: 12 solved, 10 unsolved in 1230 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 55/55 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 12 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 12 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 40/50 variables, 10/10 constraints. Problems are: Problem set: 12 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/50 variables, 10/20 constraints. Problems are: Problem set: 12 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/50 variables, 0/20 constraints. Problems are: Problem set: 12 solved, 10 unsolved
At refinement iteration 4 (OVERLAPS) 80/130 variables, 50/70 constraints. Problems are: Problem set: 12 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/130 variables, 10/80 constraints. Problems are: Problem set: 12 solved, 10 unsolved
SDD proceeding with computation,22 properties remain. new max is 4096
SDD size :3.13478e+12 after 3.4008e+19
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 10/90 constraints. Problems are: Problem set: 12 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/90 constraints. Problems are: Problem set: 12 solved, 10 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 130/143 variables, and 90 constraints, problems are : Problem set: 12 solved, 10 unsolved in 5007 ms.
Refiners :[Positive P Invariants (semi-flows): 10/11 constraints, State Equation: 50/55 constraints, ReadFeed: 10/11 constraints, PredecessorRefiner: 10/22 constraints, Known Traps: 10/11 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6244ms problems are : Problem set: 12 solved, 10 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 10 out of 55 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Graph (complete) has 132 edges and 55 vertex of which 50 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.0 ms
Discarding 5 places :
Also discarding 8 output transitions
Drop transitions (Output transitions of discarded places.) removed 8 transitions
Applied a total of 1 rules in 3 ms. Remains 50 /55 variables (removed 5) and now considering 80/88 (removed 8) transitions.
Running 60 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-13350849657353289301.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17631679900624333030.kers'
[2026-05-25 21:53:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13350849657353289301.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17631679900624333030.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 80 rows 50 cols 200 entries
Finished phase 1 with 40 SingleSign rule and 0 generalized
[2026-05-25 21:53:01] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17631679900624333030.kers
Total runtime 0 ms.
[2026-05-25 21:53:01] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (OVERLAPS) 10/50 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/50 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (OVERLAPS) 80/130 variables, 50/60 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/130 variables, 10/70 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/130 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (OVERLAPS) 0/130 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 130/130 variables, and 70 constraints, problems are : Problem set: 0 solved, 60 unsolved in 2347 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 50/50 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (OVERLAPS) 10/50 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/50 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (OVERLAPS) 80/130 variables, 50/60 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/130 variables, 10/70 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Invariant property MIN4 does not hold.
SDD proceeding with computation,21 properties remain. new max is 4096
SDD size :3.4008e+19 after 2.20601e+39
At refinement iteration 5 (INCLUDED_ONLY) 0/130 variables, 60/130 constraints. Problems are: Problem set: 0 solved, 60 unsolved
SDD proceeding with computation,21 properties remain. new max is 8192
SDD size :2.20601e+39 after 2.16459e+53
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 60 unsolved
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,6.87637e+73,26.4338,268560,2,7899,19,1.01984e+06,27,0,487,1.18173e+06,0
Total reachable state count : 6.876374925678786864468014027942671588327e+73

Verifying 22 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
MAX0,0,26.4403,268560,1,0,19,1.01984e+06,27,0,488,1.18173e+06,0
Invariant property MIN0 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
MIN0,0,26.4448,268560,1,0,19,1.01984e+06,27,0,488,1.18173e+06,0
Reachability property MAX1 does not hold.
No reachable states exhibit your property : MAX1

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX1,0,26.4586,268560,1,0,19,1.01984e+06,27,0,488,1.18173e+06,0
Invariant property MIN1 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
MIN1,0,26.4731,268560,1,0,19,1.01984e+06,27,0,488,1.18173e+06,0
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
MAX2,0,26.4804,268560,1,0,19,1.01984e+06,27,0,488,1.18173e+06,0
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
MIN2,0,26.4877,268560,1,0,19,1.01984e+06,27,0,488,1.18173e+06,0
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
MAX3,0,26.4989,268560,1,0,19,1.01984e+06,27,0,488,1.18173e+06,0
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
MIN3,0,26.5105,268560,1,0,19,1.01984e+06,27,0,488,1.18173e+06,0
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
MAX4,0,26.5304,268560,1,0,19,1.01984e+06,27,0,488,1.18173e+06,0
Invariant property MIN4 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN4,2.74468e+20,26.5374,268560,2,2197,19,1.01984e+06,28,0,490,1.18173e+06,0
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
MAX5,0,26.5477,268560,1,0,19,1.01984e+06,28,0,490,1.18173e+06,0
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
MIN5,0,26.5588,268560,1,0,19,1.01984e+06,28,0,490,1.18173e+06,0
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
MAX6,0,26.595,268560,1,0,19,1.01984e+06,28,0,490,1.18173e+06,0
Invariant property MIN6 is true.

At refinement iteration 7 (OVERLAPS) 0/130 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN6,0,26.6385,268560,1,0,19,1.01984e+06,28,0,490,1.18173e+06,0
Reachability property MAX7 does not hold.
No reachable states exhibit your property : MAX7

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX7,0,26.6855,268560,1,0,19,1.01984e+06,28,0,490,1.18173e+06,0
Invariant property MIN7 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
MIN7,0,26.7135,268560,1,0,19,1.01984e+06,28,0,490,1.18173e+06,0
Reachability property MAX8 does not hold.
No reachable states exhibit your property : MAX8

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX8,0,26.729,268560,1,0,19,1.01984e+06,28,0,490,1.18173e+06,0
Invariant property MIN8 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
MIN8,0,26.7454,268560,1,0,19,1.01984e+06,28,0,490,1.18173e+06,0
Reachability property MAX9 does not hold.
No reachable states exhibit your property : MAX9

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX9,0,26.747,268560,1,0,19,1.01984e+06,28,0,490,1.18173e+06,0
Invariant property MIN9 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
MIN9,0,26.7485,268560,1,0,19,1.01984e+06,28,0,490,1.18173e+06,0
Reachability property MAX10 does not hold.
No reachable states exhibit your property : MAX10

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX10,0,26.7767,268560,1,0,19,1.01984e+06,28,0,490,1.18173e+06,0
Invariant property MIN10 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
MIN10,0,26.8073,268560,1,0,19,1.01984e+06,28,0,490,1.18173e+06,0
After SMT solving in domain Int declared 130/130 variables, and 130 constraints, problems are : Problem set: 0 solved, 60 unsolved in 17626 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 50/50 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 19989ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 19990ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19995 ms. Remains : 50/55 places, 80/88 transitions.
FORMULA JoinFreeModules-PT-0100-UpperBounds-01 101 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0100-UpperBounds-04 100 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0100-UpperBounds-05 101 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0100-UpperBounds-06 100 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0100-UpperBounds-08 100 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0100-UpperBounds-10 100 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0100-UpperBounds-11 100 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0100-UpperBounds-12 102 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0100-UpperBounds-13 100 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0100-UpperBounds-14 100 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0100-UpperBounds-07 102 TECHNIQUES REACHABILITY
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17729563047861306371.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13315082430303691775.kers'
[2026-05-25 21:53:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17729563047861306371.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13315082430303691775.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 88 rows 55 cols 220 entries
Finished phase 1 with 44 SingleSign rule and 0 generalized
[2026-05-25 21:53:21] [INFO ] Computed 11 invariants in 1 ms
Computed 11 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-13315082430303691775.kers
Total runtime 2 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000011 steps (2 resets) in 1189 ms. (840 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 519611 ms.

BK_STOP 1779746003010

--------------------
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-0100"
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-0100, 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-177961107700189"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-0100.tgz
mv JoinFreeModules-PT-0100 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 ;