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.r146-tall-177961074000117.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is FunctionPointer-PT-c002, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r146-tall-177961074000117
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.6M
-rw-r--r-- 1 mcc users 6.9K Mar 7 07:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Mar 7 07:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Mar 7 07:29 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Mar 7 07:29 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K Mar 15 10:24 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 10:24 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 10:25 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:25 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.3K Mar 7 07:29 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 93K Mar 7 07:29 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 7 07:29 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 94K Mar 7 07:29 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:25 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:25 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 4.2M 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 FunctionPointer-PT-c002-UpperBounds-00
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-01
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-02
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-03
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-04
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-05
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-06
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-07
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-08
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-09
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-10
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-11
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-12
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-13
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-14
FORMULA_NAME FunctionPointer-PT-c002-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779686068912

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FunctionPointer-PT-c002
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-25 05:14:30] [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 05:14:30] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 05:14:30] [INFO ] Load time of PNML (sax parser for PT used): 375 ms
[2026-05-25 05:14:30] [INFO ] Transformed 2826 places.
[2026-05-25 05:14:30] [INFO ] Transformed 8960 transitions.
[2026-05-25 05:14:30] [INFO ] Parsed PT model containing 2826 places and 8960 transitions and 36096 arcs in 511 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Deduced a syphon composed of 1198 places in 49 ms
Reduce places removed 1198 places and 2998 transitions.
FORMULA FunctionPointer-PT-c002-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c002-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c002-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c002-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c002-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+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-7546825450990215286.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13725520129074656247.kers'
[2026-05-25 05:14:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7546825450990215286.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13725520129074656247.kers]
Normalized transition count is 3540 out of 5962 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 2 ms.
// Phase 1: matrix 3540 rows 1627 cols 8708 entries
Finished phase 1 with 1624 SingleSign rule and 0 generalized
[2026-05-25 05:14:30] [INFO ] Computed 4 invariants in 21 ms
Computed 4 P flows in 21 ms.
Exported basis to /tmp/petrispot-output-13725520129074656247.kers
Total runtime 26 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, 2, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 1, +inf]
RANDOM walk for 10001 steps (2 resets) in 325 ms. (30 steps per ms)
BEST_FIRST walk for 110011 steps (22 resets) in 314 ms. (349 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 1, 1, 3, 0, 2, 1, 1, 0, 0, 0] Max Struct:[+inf, 2, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 1, +inf]
[2026-05-25 05:14:31] [INFO ] Flow matrix only has 3540 transitions (discarded 2422 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4513837861455705991.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16533861365286078891.kers'
[2026-05-25 05:14:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4513837861455705991.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16533861365286078891.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 1 ms.
// Phase 1: matrix 3540 rows 1627 cols 8708 entries
Finished phase 1 with 1624 SingleSign rule and 0 generalized
[2026-05-25 05:14:31] [INFO ] Computed 4 invariants in 17 ms
Computed 4 P flows in 17 ms.
Exported basis to /tmp/petrispot-output-16533861365286078891.kers
Total runtime 23 ms.
[2026-05-25 05:14:31] [INFO ] [Real]Absence check using 3 positive place invariants in 20 ms returned sat
[2026-05-25 05:14:31] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 05:14:32] [INFO ] [Real]Absence check using state equation in 800 ms returned sat
[2026-05-25 05:14:32] [INFO ] State equation strengthened by 479 read => feed constraints.
[2026-05-25 05:14:33] [INFO ] [Real]Added 479 Read/Feed constraints in 169 ms returned sat
[2026-05-25 05:14:33] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 05:14:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 15 ms returned sat
[2026-05-25 05:14:33] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 05:14:34] [INFO ] [Nat]Absence check using state equation in 761 ms returned sat
[2026-05-25 05:14:34] [INFO ] [Nat]Added 479 Read/Feed constraints in 147 ms returned sat
[2026-05-25 05:14:35] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 1100 ms.
[2026-05-25 05:14:36] [INFO ] Added : 1 causal constraints over 1 iterations in 1600 ms. Result :sat
Minimization took 582 ms.
[2026-05-25 05:14:36] [INFO ] [Real]Absence check using 3 positive place invariants in 13 ms returned sat
[2026-05-25 05:14:36] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 05:14:37] [INFO ] [Real]Absence check using state equation in 731 ms returned sat
[2026-05-25 05:14:37] [INFO ] [Real]Added 479 Read/Feed constraints in 109 ms returned sat
[2026-05-25 05:14:37] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 05:14:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 15 ms returned sat
[2026-05-25 05:14:38] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 05:14:38] [INFO ] [Nat]Absence check using state equation in 728 ms returned sat
[2026-05-25 05:14:38] [INFO ] [Nat]Added 479 Read/Feed constraints in 119 ms returned sat
[2026-05-25 05:14:39] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 959 ms.
[2026-05-25 05:14:40] [INFO ] Added : 0 causal constraints over 0 iterations in 1188 ms. Result :sat
Minimization took 575 ms.
[2026-05-25 05:14:40] [INFO ] [Real]Absence check using 3 positive place invariants in 13 ms returned sat
[2026-05-25 05:14:40] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 6 ms returned sat
[2026-05-25 05:14:41] [INFO ] [Real]Absence check using state equation in 709 ms returned sat
[2026-05-25 05:14:41] [INFO ] [Real]Added 479 Read/Feed constraints in 130 ms returned sat
[2026-05-25 05:14:41] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 05:14:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 14 ms returned sat
[2026-05-25 05:14:42] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 05:14:42] [INFO ] [Nat]Absence check using state equation in 703 ms returned sat
[2026-05-25 05:14:43] [INFO ] [Nat]Added 479 Read/Feed constraints in 247 ms returned sat
[2026-05-25 05:14:45] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 2758 ms
[2026-05-25 05:14:46] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 469 ms.
[2026-05-25 05:14:46] [INFO ] Added : 2 causal constraints over 1 iterations in 796 ms. Result :sat
Minimization took 323 ms.
[2026-05-25 05:14:47] [INFO ] [Real]Absence check using 3 positive place invariants in 13 ms returned sat
[2026-05-25 05:14:47] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 4 ms returned sat
[2026-05-25 05:14:47] [INFO ] [Real]Absence check using state equation in 727 ms returned sat
[2026-05-25 05:14:48] [INFO ] [Real]Added 479 Read/Feed constraints in 168 ms returned sat
[2026-05-25 05:14:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 05:14:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 14 ms returned sat
[2026-05-25 05:14:48] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 05:14:49] [INFO ] [Nat]Absence check using state equation in 806 ms returned sat
[2026-05-25 05:14:49] [INFO ] [Nat]Added 479 Read/Feed constraints in 403 ms returned sat
[2026-05-25 05:14:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1569 ms
[2026-05-25 05:14:51] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 523 ms.
[2026-05-25 05:14:52] [INFO ] Added : 1 causal constraints over 1 iterations in 874 ms. Result :sat
Minimization took 576 ms.
[2026-05-25 05:14:52] [INFO ] [Real]Absence check using 3 positive place invariants in 13 ms returned sat
[2026-05-25 05:14:52] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 3 ms returned sat
[2026-05-25 05:14:53] [INFO ] [Real]Absence check using state equation in 810 ms returned sat
[2026-05-25 05:14:53] [INFO ] [Real]Added 479 Read/Feed constraints in 108 ms returned sat
[2026-05-25 05:14:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 05:14:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 15 ms returned sat
[2026-05-25 05:14:54] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 05:14:54] [INFO ] [Nat]Absence check using state equation in 831 ms returned sat
[2026-05-25 05:14:55] [INFO ] [Nat]Added 479 Read/Feed constraints in 192 ms returned sat
[2026-05-25 05:14:55] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 513 ms.
[2026-05-25 05:14:56] [INFO ] Added : 2 causal constraints over 1 iterations in 857 ms. Result :sat
Minimization took 585 ms.
[2026-05-25 05:14:56] [INFO ] [Real]Absence check using 3 positive place invariants in 13 ms returned sat
[2026-05-25 05:14:56] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 05:14:57] [INFO ] [Real]Absence check using state equation in 724 ms returned sat
[2026-05-25 05:14:57] [INFO ] [Real]Added 479 Read/Feed constraints in 146 ms returned sat
[2026-05-25 05:14:57] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 05:14:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 18 ms returned sat
[2026-05-25 05:14:58] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 05:14:58] [INFO ] [Nat]Absence check using state equation in 693 ms returned sat
[2026-05-25 05:14:58] [INFO ] [Nat]Added 479 Read/Feed constraints in 164 ms returned sat
[2026-05-25 05:14:59] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 516 ms.
[2026-05-25 05:14:59] [INFO ] Added : 2 causal constraints over 1 iterations in 846 ms. Result :sat
Minimization took 581 ms.
[2026-05-25 05:15:00] [INFO ] [Real]Absence check using 3 positive place invariants in 13 ms returned sat
[2026-05-25 05:15:00] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 05:15:01] [INFO ] [Real]Absence check using state equation in 766 ms returned sat
[2026-05-25 05:15:01] [INFO ] [Real]Added 479 Read/Feed constraints in 115 ms returned sat
[2026-05-25 05:15:01] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 05:15:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 15 ms returned sat
[2026-05-25 05:15:01] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 05:15:02] [INFO ] [Nat]Absence check using state equation in 782 ms returned sat
[2026-05-25 05:15:02] [INFO ] [Nat]Added 479 Read/Feed constraints in 94 ms returned sat
[2026-05-25 05:15:04] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1541 ms
[2026-05-25 05:15:04] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 466 ms.
[2026-05-25 05:15:05] [INFO ] Added : 2 causal constraints over 1 iterations in 806 ms. Result :sat
Minimization took 602 ms.
[2026-05-25 05:15:05] [INFO ] [Real]Absence check using 3 positive place invariants in 13 ms returned sat
[2026-05-25 05:15:05] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 05:15:06] [INFO ] [Real]Absence check using state equation in 799 ms returned sat
[2026-05-25 05:15:06] [INFO ] [Real]Added 479 Read/Feed constraints in 151 ms returned sat
[2026-05-25 05:15:07] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 05:15:07] [INFO ] [Nat]Absence check using 3 positive place invariants in 16 ms returned sat
[2026-05-25 05:15:07] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-25 05:15:07] [INFO ] [Nat]Absence check using state equation in 790 ms returned sat
[2026-05-25 05:15:08] [INFO ] [Nat]Added 479 Read/Feed constraints in 127 ms returned sat
[2026-05-25 05:15:08] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 489 ms.
[2026-05-25 05:15:09] [INFO ] Added : 2 causal constraints over 1 iterations in 822 ms. Result :sat
Minimization took 584 ms.
[2026-05-25 05:15:09] [INFO ] [Real]Absence check using 3 positive place invariants in 14 ms returned sat
[2026-05-25 05:15:09] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 05:15:10] [INFO ] [Real]Absence check using state equation in 803 ms returned sat
[2026-05-25 05:15:10] [INFO ] [Real]Added 479 Read/Feed constraints in 120 ms returned sat
[2026-05-25 05:15:10] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 05:15:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 15 ms returned sat
[2026-05-25 05:15:11] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 05:15:11] [INFO ] [Nat]Absence check using state equation in 793 ms returned sat
[2026-05-25 05:15:11] [INFO ] [Nat]Added 479 Read/Feed constraints in 101 ms returned sat
[2026-05-25 05:15:12] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 484 ms.
[2026-05-25 05:15:12] [INFO ] Added : 1 causal constraints over 1 iterations in 801 ms. Result :sat
Minimization took 581 ms.
[2026-05-25 05:15:13] [INFO ] [Real]Absence check using 3 positive place invariants in 14 ms returned sat
[2026-05-25 05:15:13] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 05:15:14] [INFO ] [Real]Absence check using state equation in 794 ms returned sat
[2026-05-25 05:15:14] [INFO ] [Real]Added 479 Read/Feed constraints in 166 ms returned sat
[2026-05-25 05:15:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 05:15:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 14 ms returned sat
[2026-05-25 05:15:14] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 05:15:15] [INFO ] [Nat]Absence check using state equation in 771 ms returned sat
[2026-05-25 05:15:15] [INFO ] [Nat]Added 479 Read/Feed constraints in 136 ms returned sat
[2026-05-25 05:15:16] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 472 ms.
[2026-05-25 05:15:16] [INFO ] Added : 2 causal constraints over 1 iterations in 805 ms. Result :sat
Minimization took 579 ms.
[2026-05-25 05:15:17] [INFO ] [Real]Absence check using 3 positive place invariants in 13 ms returned sat
[2026-05-25 05:15:17] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-25 05:15:18] [INFO ] [Real]Absence check using state equation in 705 ms returned sat
[2026-05-25 05:15:18] [INFO ] [Real]Added 479 Read/Feed constraints in 97 ms returned sat
[2026-05-25 05:15:18] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 05:15:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 15 ms returned sat
[2026-05-25 05:15:18] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-25 05:15:19] [INFO ] [Nat]Absence check using state equation in 754 ms returned sat
[2026-05-25 05:15:19] [INFO ] [Nat]Added 479 Read/Feed constraints in 298 ms returned sat
[2026-05-25 05:15:20] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 484 ms.
[2026-05-25 05:15:20] [INFO ] Added : 2 causal constraints over 1 iterations in 838 ms. Result :sat
Minimization took 586 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 1, 1, 3, 0, 2, 1, 1, 0, 0, 0] Max Struct:[+inf, 2, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 1, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 1, 1, 3, 0, 2, 1, 1, 0, 0, 0] Max Struct:[+inf, 2, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 1, +inf]
Support contains 11 out of 1628 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1628/1628 places, 5962/5962 transitions.
Graph (complete) has 7332 edges and 1628 vertex of which 1422 are kept as prefixes of interest. Removing 206 places using SCC suffix rule.13 ms
Discarding 206 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 379 transitions
Reduce isomorphic transitions removed 379 transitions.
Iterating post reduction 0 with 379 rules applied. Total rules applied 380 place count 1422 transition count 5583
Discarding 298 places :
Symmetric choice reduction at 1 with 298 rule applications. Total rules 678 place count 1124 transition count 3319
Iterating global reduction 1 with 298 rules applied. Total rules applied 976 place count 1124 transition count 3319
Ensure Unique test removed 368 transitions
Reduce isomorphic transitions removed 368 transitions.
Iterating post reduction 1 with 368 rules applied. Total rules applied 1344 place count 1124 transition count 2951
Discarding 156 places :
Symmetric choice reduction at 2 with 156 rule applications. Total rules 1500 place count 968 transition count 2639
Iterating global reduction 2 with 156 rules applied. Total rules applied 1656 place count 968 transition count 2639
Ensure Unique test removed 72 transitions
Reduce isomorphic transitions removed 72 transitions.
Iterating post reduction 2 with 72 rules applied. Total rules applied 1728 place count 968 transition count 2567
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1742 place count 954 transition count 2539
Iterating global reduction 3 with 14 rules applied. Total rules applied 1756 place count 954 transition count 2539
Discarding 13 places :
Symmetric choice reduction at 3 with 13 rule applications. Total rules 1769 place count 941 transition count 2513
Iterating global reduction 3 with 13 rules applied. Total rules applied 1782 place count 941 transition count 2513
Discarding 13 places :
Symmetric choice reduction at 3 with 13 rule applications. Total rules 1795 place count 928 transition count 2487
Iterating global reduction 3 with 13 rules applied. Total rules applied 1808 place count 928 transition count 2487
Discarding 13 places :
Symmetric choice reduction at 3 with 13 rule applications. Total rules 1821 place count 915 transition count 2461
Iterating global reduction 3 with 13 rules applied. Total rules applied 1834 place count 915 transition count 2461
Discarding 13 places :
Symmetric choice reduction at 3 with 13 rule applications. Total rules 1847 place count 902 transition count 2435
Iterating global reduction 3 with 13 rules applied. Total rules applied 1860 place count 902 transition count 2435
Discarding 12 places :
Symmetric choice reduction at 3 with 12 rule applications. Total rules 1872 place count 890 transition count 2411
Iterating global reduction 3 with 12 rules applied. Total rules applied 1884 place count 890 transition count 2411
Discarding 12 places :
Symmetric choice reduction at 3 with 12 rule applications. Total rules 1896 place count 878 transition count 2387
Iterating global reduction 3 with 12 rules applied. Total rules applied 1908 place count 878 transition count 2387
Discarding 43 places :
Symmetric choice reduction at 3 with 43 rule applications. Total rules 1951 place count 835 transition count 2229
Iterating global reduction 3 with 43 rules applied. Total rules applied 1994 place count 835 transition count 2229
Discarding 57 places :
Symmetric choice reduction at 3 with 57 rule applications. Total rules 2051 place count 778 transition count 2001
Iterating global reduction 3 with 57 rules applied. Total rules applied 2108 place count 778 transition count 2001
Discarding 57 places :
Symmetric choice reduction at 3 with 57 rule applications. Total rules 2165 place count 721 transition count 1845
Iterating global reduction 3 with 57 rules applied. Total rules applied 2222 place count 721 transition count 1845
Discarding 56 places :
Symmetric choice reduction at 3 with 56 rule applications. Total rules 2278 place count 665 transition count 1733
Iterating global reduction 3 with 56 rules applied. Total rules applied 2334 place count 665 transition count 1733
Discarding 55 places :
Symmetric choice reduction at 3 with 55 rule applications. Total rules 2389 place count 610 transition count 1623
Iterating global reduction 3 with 55 rules applied. Total rules applied 2444 place count 610 transition count 1623
Discarding 55 places :
Symmetric choice reduction at 3 with 55 rule applications. Total rules 2499 place count 555 transition count 1513
Iterating global reduction 3 with 55 rules applied. Total rules applied 2554 place count 555 transition count 1513
Discarding 55 places :
Symmetric choice reduction at 3 with 55 rule applications. Total rules 2609 place count 500 transition count 1403
Iterating global reduction 3 with 55 rules applied. Total rules applied 2664 place count 500 transition count 1403
Discarding 20 places :
Symmetric choice reduction at 3 with 20 rule applications. Total rules 2684 place count 480 transition count 1363
Iterating global reduction 3 with 20 rules applied. Total rules applied 2704 place count 480 transition count 1363
Drop transitions (Redundant composition of simpler transitions.) removed 14 transitions
Redundant transition composition rules discarded 14 transitions
Iterating global reduction 3 with 14 rules applied. Total rules applied 2718 place count 480 transition count 1349
Applied a total of 2718 rules in 1145 ms. Remains 480 /1628 variables (removed 1148) and now considering 1349/5962 (removed 4613) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1156 ms. Remains : 480/1628 places, 1349/5962 transitions.
[2026-05-25 05:15:22] [INFO ] Flow matrix only has 785 transitions (discarded 564 similar events)
findPositiveTsemiflow completed in 138 ms - Found solution {229=1, 372=1, 707=1, 784=1} and attempted to minimize in 0 ms success -> {252=1, 395=1, 602=1, 770=1}
FORMULA FunctionPointer-PT-c002-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL COVER_WALK
FORMULA FunctionPointer-PT-c002-UpperBounds-04 +inf TECHNIQUES TOPOLOGICAL COVER_WALK
FORMULA FunctionPointer-PT-c002-UpperBounds-15 +inf TECHNIQUES TOPOLOGICAL COVER_WALK
FORMULA FunctionPointer-PT-c002-UpperBounds-06 +inf TECHNIQUES TOPOLOGICAL COVER_WALK
FORMULA FunctionPointer-PT-c002-UpperBounds-09 +inf TECHNIQUES TOPOLOGICAL COVER_WALK
FORMULA FunctionPointer-PT-c002-UpperBounds-12 +inf TECHNIQUES TOPOLOGICAL COVER_WALK
FORMULA FunctionPointer-PT-c002-UpperBounds-00 +inf TECHNIQUES TOPOLOGICAL COVER_WALK
FORMULA FunctionPointer-PT-c002-UpperBounds-05 +inf TECHNIQUES TOPOLOGICAL COVER_WALK
Current structural bounds on expressions (after cover walk) : Max Seen:[1, 3, 4] Max Struct:[2, +inf, +inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15310264618546570552.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9396511672431301362.kers'
[2026-05-25 05:15:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15310264618546570552.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9396511672431301362.kers]
Normalized transition count is 785 out of 1349 initially.
Culled 0 columns in 1 ms.
// Phase 1: matrix 785 rows 480 cols 2312 entries
Finished phase 1 with 477 SingleSign rule and 0 generalized
[2026-05-25 05:15:32] [INFO ] Computed 3 invariants in 6 ms
Computed 3 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-9396511672431301362.kers
Total runtime 10 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1, 3, 4] Max Struct:[2, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 2709 ms. (369 steps per ms)
BEST_FIRST walk for 3000003 steps (6 resets) in 1840 ms. (1629 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 3, 4] Max Struct:[2, +inf, +inf]
[2026-05-25 05:15:37] [INFO ] Flow matrix only has 785 transitions (discarded 564 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11216734617312674885.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17038992181828409776.kers'
[2026-05-25 05:15:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11216734617312674885.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17038992181828409776.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 785 rows 480 cols 2312 entries
Finished phase 1 with 477 SingleSign rule and 0 generalized
[2026-05-25 05:15:37] [INFO ] Computed 3 invariants in 3 ms
Computed 3 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-17038992181828409776.kers
Total runtime 5 ms.
[2026-05-25 05:15:37] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2026-05-25 05:15:37] [INFO ] [Real]Absence check using state equation in 177 ms returned sat
[2026-05-25 05:15:37] [INFO ] State equation strengthened by 101 read => feed constraints.
[2026-05-25 05:15:37] [INFO ] [Real]Added 101 Read/Feed constraints in 36 ms returned sat
[2026-05-25 05:15:37] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 05:15:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2026-05-25 05:15:37] [INFO ] [Nat]Absence check using state equation in 183 ms returned sat
[2026-05-25 05:15:37] [INFO ] [Nat]Added 101 Read/Feed constraints in 27 ms returned sat
[2026-05-25 05:15:37] [INFO ] Computed and/alt/rep : 100/106/87 causal constraints (skipped 696 transitions) in 81 ms.
[2026-05-25 05:15:38] [INFO ] Added : 0 causal constraints over 0 iterations in 152 ms. Result :sat
Minimization took 304 ms.
[2026-05-25 05:15:38] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-25 05:15:38] [INFO ] [Real]Absence check using state equation in 170 ms returned sat
[2026-05-25 05:15:38] [INFO ] [Real]Added 101 Read/Feed constraints in 47 ms returned sat
[2026-05-25 05:15:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 05:15:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2026-05-25 05:15:38] [INFO ] [Nat]Absence check using state equation in 151 ms returned sat
[2026-05-25 05:15:38] [INFO ] [Nat]Added 101 Read/Feed constraints in 60 ms returned sat
[2026-05-25 05:15:39] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 378 ms
[2026-05-25 05:15:39] [INFO ] Computed and/alt/rep : 100/106/87 causal constraints (skipped 696 transitions) in 82 ms.
[2026-05-25 05:15:39] [INFO ] Added : 2 causal constraints over 1 iterations in 203 ms. Result :sat
Minimization took 317 ms.
[2026-05-25 05:15:40] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-25 05:15:40] [INFO ] [Real]Absence check using state equation in 190 ms returned sat
[2026-05-25 05:15:40] [INFO ] [Real]Added 101 Read/Feed constraints in 34 ms returned sat
[2026-05-25 05:15:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 05:15:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2026-05-25 05:15:40] [INFO ] [Nat]Absence check using state equation in 165 ms returned sat
[2026-05-25 05:15:40] [INFO ] [Nat]Added 101 Read/Feed constraints in 41 ms returned sat
[2026-05-25 05:15:40] [INFO ] Computed and/alt/rep : 100/106/87 causal constraints (skipped 696 transitions) in 92 ms.
[2026-05-25 05:15:40] [INFO ] Added : 1 causal constraints over 1 iterations in 198 ms. Result :sat
Minimization took 303 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 3, 4] Max Struct:[2, +inf, +inf]
FORMULA FunctionPointer-PT-c002-UpperBounds-01 2 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 4] Max Struct:[+inf, +inf]
Support contains 2 out of 480 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 480/480 places, 1349/1349 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 472 transition count 1329
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 472 transition count 1329
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 18 place count 472 transition count 1327
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 26 place count 464 transition count 1311
Iterating global reduction 1 with 8 rules applied. Total rules applied 34 place count 464 transition count 1311
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 42 place count 456 transition count 1291
Iterating global reduction 1 with 8 rules applied. Total rules applied 50 place count 456 transition count 1291
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 57 place count 449 transition count 1275
Iterating global reduction 1 with 7 rules applied. Total rules applied 64 place count 449 transition count 1275
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 70 place count 443 transition count 1263
Iterating global reduction 1 with 6 rules applied. Total rules applied 76 place count 443 transition count 1263
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 82 place count 437 transition count 1251
Iterating global reduction 1 with 6 rules applied. Total rules applied 88 place count 437 transition count 1251
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 94 place count 431 transition count 1237
Iterating global reduction 1 with 6 rules applied. Total rules applied 100 place count 431 transition count 1237
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 104 place count 427 transition count 1229
Iterating global reduction 1 with 4 rules applied. Total rules applied 108 place count 427 transition count 1229
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 112 place count 423 transition count 1221
Iterating global reduction 1 with 4 rules applied. Total rules applied 116 place count 423 transition count 1221
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 118 place count 421 transition count 1217
Iterating global reduction 1 with 2 rules applied. Total rules applied 120 place count 421 transition count 1217
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 121 place count 420 transition count 1215
Iterating global reduction 1 with 1 rules applied. Total rules applied 122 place count 420 transition count 1215
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 123 place count 419 transition count 1213
Iterating global reduction 1 with 1 rules applied. Total rules applied 124 place count 419 transition count 1213
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 125 place count 418 transition count 1211
Iterating global reduction 1 with 1 rules applied. Total rules applied 126 place count 418 transition count 1211
Applied a total of 126 rules in 207 ms. Remains 418 /480 variables (removed 62) and now considering 1211/1349 (removed 138) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 207 ms. Remains : 418/480 places, 1211/1349 transitions.
[2026-05-25 05:15:41] [INFO ] Flow matrix only has 685 transitions (discarded 526 similar events)
findPositiveTsemiflow completed in 113 ms - Found solution {204=1, 291=1, 617=1, 682=1} and attempted to minimize in 0 ms success -> {252=1, 339=1, 665=1, 682=1}
FORMULA FunctionPointer-PT-c002-UpperBounds-13 +inf TECHNIQUES TOPOLOGICAL COVER_WALK
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15669945263532931816.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15882616009033597603.kers'
[2026-05-25 05:15:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15669945263532931816.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15882616009033597603.kers]
Normalized transition count is 685 out of 1211 initially.
Culled 0 columns in 1 ms.
// Phase 1: matrix 685 rows 418 cols 2038 entries
Finished phase 1 with 415 SingleSign rule and 0 generalized
[2026-05-25 05:15:51] [INFO ] Computed 3 invariants in 5 ms
Computed 3 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-15882616009033597603.kers
Total runtime 11 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2469 ms. (404 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 620 ms. (1610 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2026-05-25 05:15:54] [INFO ] Flow matrix only has 685 transitions (discarded 526 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13780838610172997036.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-934694280198217614.kers'
[2026-05-25 05:15:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13780838610172997036.kers, --Pflows, --basisKERS=/tmp/petrispot-output-934694280198217614.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 685 rows 418 cols 2038 entries
Finished phase 1 with 415 SingleSign rule and 0 generalized
[2026-05-25 05:15:54] [INFO ] Computed 3 invariants in 7 ms
Computed 3 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-934694280198217614.kers
Total runtime 10 ms.
[2026-05-25 05:15:54] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2026-05-25 05:15:54] [INFO ] [Real]Absence check using state equation in 135 ms returned sat
[2026-05-25 05:15:54] [INFO ] State equation strengthened by 77 read => feed constraints.
[2026-05-25 05:15:55] [INFO ] [Real]Added 77 Read/Feed constraints in 34 ms returned sat
[2026-05-25 05:15:55] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 05:15:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2026-05-25 05:15:55] [INFO ] [Nat]Absence check using state equation in 144 ms returned sat
[2026-05-25 05:15:55] [INFO ] [Nat]Added 77 Read/Feed constraints in 57 ms returned sat
[2026-05-25 05:15:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 313 ms
[2026-05-25 05:15:55] [INFO ] Computed and/alt/rep : 334/1510/332 causal constraints (skipped 351 transitions) in 69 ms.
[2026-05-25 05:15:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 239 ms
[2026-05-25 05:15:56] [INFO ] Added : 6 causal constraints over 2 iterations in 510 ms. Result :sat
Minimization took 272 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[+inf]
Support contains 1 out of 418 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 418/418 places, 1211/1211 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 417 transition count 1209
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 417 transition count 1209
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 417 transition count 1207
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 5 place count 416 transition count 1205
Iterating global reduction 1 with 1 rules applied. Total rules applied 6 place count 416 transition count 1205
Applied a total of 6 rules in 176 ms. Remains 416 /418 variables (removed 2) and now considering 1205/1211 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 176 ms. Remains : 416/418 places, 1205/1211 transitions.
[2026-05-25 05:15:56] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
findPositiveTsemiflow completed in 141 ms - Found solution {219=1, 303=1, 501=1, 675=1} and attempted to minimize in 0 ms success -> {256=1, 340=1, 666=1, 678=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4247134263755275855.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-941616027370057624.kers'
[2026-05-25 05:16:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4247134263755275855.kers, --Pflows, --basisKERS=/tmp/petrispot-output-941616027370057624.kers]
Normalized transition count is 680 out of 1205 initially.
Culled 0 columns in 1 ms.
// Phase 1: matrix 680 rows 416 cols 2026 entries
Finished phase 1 with 413 SingleSign rule and 0 generalized
[2026-05-25 05:16:06] [INFO ] Computed 3 invariants in 6 ms
Computed 3 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-941616027370057624.kers
Total runtime 9 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2510 ms. (398 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 622 ms. (1605 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2026-05-25 05:16:10] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5908362026550889763.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1311896652983188692.kers'
[2026-05-25 05:16:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5908362026550889763.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1311896652983188692.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 680 rows 416 cols 2026 entries
Finished phase 1 with 413 SingleSign rule and 0 generalized
[2026-05-25 05:16:10] [INFO ] Computed 3 invariants in 5 ms
Computed 3 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-1311896652983188692.kers
Total runtime 7 ms.
[2026-05-25 05:16:10] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-25 05:16:10] [INFO ] [Real]Absence check using state equation in 144 ms returned sat
[2026-05-25 05:16:10] [INFO ] State equation strengthened by 75 read => feed constraints.
[2026-05-25 05:16:10] [INFO ] [Real]Added 75 Read/Feed constraints in 29 ms returned sat
[2026-05-25 05:16:10] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 05:16:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-25 05:16:10] [INFO ] [Nat]Absence check using state equation in 146 ms returned sat
[2026-05-25 05:16:10] [INFO ] [Nat]Added 75 Read/Feed constraints in 58 ms returned sat
[2026-05-25 05:16:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 363 ms
[2026-05-25 05:16:11] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 65 ms.
[2026-05-25 05:16:11] [INFO ] Added : 4 causal constraints over 1 iterations in 157 ms. Result :sat
Minimization took 270 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[+inf]
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1205/1205 transitions.
Applied a total of 0 rules in 51 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51 ms. Remains : 416/416 places, 1205/1205 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1205/1205 transitions.
Applied a total of 0 rules in 45 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
[2026-05-25 05:16:11] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2026-05-25 05:16:11] [INFO ] Invariant cache hit.
[2026-05-25 05:16:11] [INFO ] Implicit Places using invariants in 294 ms returned []
[2026-05-25 05:16:11] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2026-05-25 05:16:11] [INFO ] Invariant cache hit.
[2026-05-25 05:16:12] [INFO ] State equation strengthened by 75 read => feed constraints.
[2026-05-25 05:16:13] [INFO ] Implicit Places using invariants and state equation in 1605 ms returned []
Implicit Place search using SMT with State Equation took 1903 ms to find 0 implicit places.
[2026-05-25 05:16:13] [INFO ] Redundant transitions in 73 ms returned []
Running 1203 sub problems to find dead transitions.
[2026-05-25 05:16:13] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2026-05-25 05:16:13] [INFO ] Invariant cache hit.
[2026-05-25 05:16:13] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 416/1096 variables, and 4 constraints, problems are : Problem set: 0 solved, 1203 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/416 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1203/1203 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1203 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/416 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
At refinement iteration 3 (OVERLAPS) 680/1096 variables, 416/420 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1096 variables, 75/495 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1096/1096 variables, and 1698 constraints, problems are : Problem set: 0 solved, 1203 unsolved in 30869 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 416/416 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1203/1203 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62402ms problems are : Problem set: 0 solved, 1203 unsolved
Search for dead transitions found 0 dead transitions in 62418ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 64479 ms. Remains : 416/416 places, 1205/1205 transitions.
[2026-05-25 05:17:15] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
findPositiveTsemiflow completed in 141 ms - Found solution {219=1, 303=1, 501=1, 675=1} and attempted to minimize in 0 ms success -> {256=1, 340=1, 666=1, 678=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 40001 steps (8 resets) in 479 ms. (83 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 145 ms. (274 steps per ms) remains 1/1 properties
[2026-05-25 05:17:26] [INFO ] Flatten gal took : 136 ms
[2026-05-25 05:17:26] [INFO ] Flatten gal took : 77 ms
[2026-05-25 05:17:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7644907407927187966.gal : 29 ms
[2026-05-25 05:17:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4707304589189832778.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7644907407927187966.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4707304589189832778.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 ...328
Loading property file /tmp/ReachabilityCardinality4707304589189832778.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 27
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :27 after 1033
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1033 after 19105
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19105 after 53763
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :53763 after 57719
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :57719 after 63423
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :63423 after 74364
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :74364 after 95269
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :95269 after 110873
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 1025 fixpoint passes
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,114389,2.37384,72124,2,3435,15,292176,6,0,2872,33882,0
Total reachable state count : 114389

Verifying 1 reachability properties.
Invariant property MIN0 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
MIN0,1,2.376,72124,2,417,15,292176,7,0,2875,33882,0
Interrupted probabilistic random walk after 526112 steps, run timeout after 3001 ms. (steps per millisecond=175 ) properties seen :0 out of 1
Probabilistic random walk after 526112 steps, saw 322606 distinct states, run finished after 3004 ms. (steps per millisecond=175 ) properties seen :0
Current structural bounds on expressions (after reachability check) : Max Seen:[4] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8715801894105300242.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6957987102518887133.kers'
[2026-05-25 05:17:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8715801894105300242.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6957987102518887133.kers]
Normalized transition count is 680 out of 1205 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 680 rows 416 cols 2026 entries
Finished phase 1 with 413 SingleSign rule and 0 generalized
[2026-05-25 05:17:29] [INFO ] Computed 3 invariants in 3 ms
Computed 3 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-6957987102518887133.kers
Total runtime 7 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2374 ms. (421 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 571 ms. (1748 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[+inf]
[2026-05-25 05:17:32] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6653541453301197047.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2827983874300050025.kers'
[2026-05-25 05:17:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6653541453301197047.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2827983874300050025.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 680 rows 416 cols 2026 entries
Finished phase 1 with 413 SingleSign rule and 0 generalized
[2026-05-25 05:17:32] [INFO ] Computed 3 invariants in 9 ms
Computed 3 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-2827983874300050025.kers
Total runtime 11 ms.
[2026-05-25 05:17:32] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-25 05:17:32] [INFO ] [Real]Absence check using state equation in 164 ms returned sat
[2026-05-25 05:17:32] [INFO ] State equation strengthened by 75 read => feed constraints.
[2026-05-25 05:17:32] [INFO ] [Real]Added 75 Read/Feed constraints in 25 ms returned sat
[2026-05-25 05:17:32] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 05:17:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2026-05-25 05:17:32] [INFO ] [Nat]Absence check using state equation in 137 ms returned sat
[2026-05-25 05:17:32] [INFO ] [Nat]Added 75 Read/Feed constraints in 50 ms returned sat
[2026-05-25 05:17:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 279 ms
[2026-05-25 05:17:33] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 67 ms.
[2026-05-25 05:17:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 246 ms
[2026-05-25 05:17:33] [INFO ] Added : 6 causal constraints over 2 iterations in 445 ms. Result :sat
Minimization took 265 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[+inf]
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1205/1205 transitions.
Applied a total of 0 rules in 48 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 416/416 places, 1205/1205 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1205/1205 transitions.
Applied a total of 0 rules in 62 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
[2026-05-25 05:17:34] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2026-05-25 05:17:34] [INFO ] Invariant cache hit.
[2026-05-25 05:17:34] [INFO ] Implicit Places using invariants in 306 ms returned []
[2026-05-25 05:17:34] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2026-05-25 05:17:34] [INFO ] Invariant cache hit.
[2026-05-25 05:17:34] [INFO ] State equation strengthened by 75 read => feed constraints.
[2026-05-25 05:17:35] [INFO ] Implicit Places using invariants and state equation in 1547 ms returned []
Implicit Place search using SMT with State Equation took 1857 ms to find 0 implicit places.
[2026-05-25 05:17:35] [INFO ] Redundant transitions in 21 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1952 ms. Remains : 416/416 places, 1205/1205 transitions.
[2026-05-25 05:17:35] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
findPositiveTsemiflow completed in 141 ms - Found solution {219=1, 303=1, 501=1, 675=1} and attempted to minimize in 0 ms success -> {256=1, 340=1, 666=1, 678=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
RANDOM walk for 40004 steps (8 resets) in 308 ms. (129 steps per ms) remains 1/1 properties
[2026-05-25 05:17:46] [INFO ] Flatten gal took : 69 ms
BEST_FIRST walk for 40004 steps (8 resets) in 123 ms. (322 steps per ms) remains 1/1 properties
[2026-05-25 05:17:46] [INFO ] Flatten gal took : 53 ms
[2026-05-25 05:17:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18348118236646740612.gal : 8 ms
[2026-05-25 05:17:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16365993337293713934.prop : 0 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/ReachabilityCardinality18348118236646740612.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16365993337293713934.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 ...330
Loading property file /tmp/ReachabilityCardinality16365993337293713934.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 27
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :27 after 1033
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1033 after 19105
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19105 after 53763
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :53763 after 57719
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :57719 after 63423
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :63423 after 74364
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :74364 after 95269
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :95269 after 110873
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 1025 fixpoint passes
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,114389,2.09357,71616,2,3435,15,292176,6,0,2872,33882,0
Total reachable state count : 114389

Verifying 1 reachability properties.
Invariant property MIN0 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
MIN0,1,2.09559,71616,2,417,15,292176,7,0,2875,33882,0
Interrupted probabilistic random walk after 532179 steps, run timeout after 3001 ms. (steps per millisecond=177 ) properties seen :0 out of 1
Probabilistic random walk after 532179 steps, saw 326326 distinct states, run finished after 3001 ms. (steps per millisecond=177 ) properties seen :0
Current structural bounds on expressions (after reachability check) : Max Seen:[5] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15967502496383361180.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9079664348096431870.kers'
[2026-05-25 05:17:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15967502496383361180.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9079664348096431870.kers]
Normalized transition count is 680 out of 1205 initially.
Culled 0 columns in 1 ms.
// Phase 1: matrix 680 rows 416 cols 2026 entries
Finished phase 1 with 413 SingleSign rule and 0 generalized
[2026-05-25 05:17:49] [INFO ] Computed 3 invariants in 6 ms
Computed 3 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-9079664348096431870.kers
Total runtime 10 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2473 ms. (404 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 606 ms. (1647 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[+inf]
[2026-05-25 05:17:52] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1028789316510621531.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6409550113159691650.kers'
[2026-05-25 05:17:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1028789316510621531.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6409550113159691650.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 680 rows 416 cols 2026 entries
Finished phase 1 with 413 SingleSign rule and 0 generalized
[2026-05-25 05:17:52] [INFO ] Computed 3 invariants in 7 ms
Computed 3 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-6409550113159691650.kers
Total runtime 10 ms.
[2026-05-25 05:17:52] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-25 05:17:52] [INFO ] [Real]Absence check using state equation in 143 ms returned sat
[2026-05-25 05:17:52] [INFO ] State equation strengthened by 75 read => feed constraints.
[2026-05-25 05:17:52] [INFO ] [Real]Added 75 Read/Feed constraints in 34 ms returned sat
[2026-05-25 05:17:52] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 05:17:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-25 05:17:53] [INFO ] [Nat]Absence check using state equation in 140 ms returned sat
[2026-05-25 05:17:53] [INFO ] [Nat]Added 75 Read/Feed constraints in 53 ms returned sat
[2026-05-25 05:17:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 276 ms
[2026-05-25 05:17:53] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 76 ms.
[2026-05-25 05:17:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 233 ms
[2026-05-25 05:17:53] [INFO ] Added : 6 causal constraints over 2 iterations in 466 ms. Result :sat
Minimization took 274 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[+inf]
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1205/1205 transitions.
Applied a total of 0 rules in 47 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47 ms. Remains : 416/416 places, 1205/1205 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1205/1205 transitions.
Applied a total of 0 rules in 47 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
[2026-05-25 05:17:54] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2026-05-25 05:17:54] [INFO ] Invariant cache hit.
[2026-05-25 05:17:54] [INFO ] Implicit Places using invariants in 308 ms returned []
[2026-05-25 05:17:54] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2026-05-25 05:17:54] [INFO ] Invariant cache hit.
[2026-05-25 05:17:54] [INFO ] State equation strengthened by 75 read => feed constraints.
[2026-05-25 05:17:56] [INFO ] Implicit Places using invariants and state equation in 1544 ms returned []
Implicit Place search using SMT with State Equation took 1853 ms to find 0 implicit places.
[2026-05-25 05:17:56] [INFO ] Redundant transitions in 24 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1933 ms. Remains : 416/416 places, 1205/1205 transitions.
[2026-05-25 05:17:56] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
findPositiveTsemiflow completed in 134 ms - Found solution {219=1, 303=1, 501=1, 675=1} and attempted to minimize in 1 ms success -> {256=1, 340=1, 666=1, 678=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 40002 steps (8 resets) in 187 ms. (212 steps per ms) remains 1/1 properties
[2026-05-25 05:18:06] [INFO ] Flatten gal took : 71 ms
BEST_FIRST walk for 40004 steps (8 resets) in 57 ms. (689 steps per ms) remains 1/1 properties
[2026-05-25 05:18:06] [INFO ] Flatten gal took : 41 ms
[2026-05-25 05:18:06] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3494784139909997142.gal : 7 ms
[2026-05-25 05:18:06] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7077462113561798915.prop : 0 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/ReachabilityCardinality3494784139909997142.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7077462113561798915.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 ...328
Loading property file /tmp/ReachabilityCardinality7077462113561798915.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 27
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :27 after 1033
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1033 after 19105
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19105 after 53763
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :53763 after 57719
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :57719 after 63423
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :63423 after 74364
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :74364 after 95269
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :95269 after 110873
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :110873 after 114389
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 2049 fixpoint passes
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,124304,2.83053,83264,2,4320,16,306701,6,0,2872,47130,0
Total reachable state count : 124304

Verifying 1 reachability properties.
Invariant property MIN0 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
MIN0,1,2.8324,83264,2,417,16,306701,7,0,2875,47130,0
Interrupted probabilistic random walk after 548212 steps, run timeout after 3001 ms. (steps per millisecond=182 ) properties seen :0 out of 1
Probabilistic random walk after 548212 steps, saw 336155 distinct states, run finished after 3001 ms. (steps per millisecond=182 ) properties seen :0
Current structural bounds on expressions (after reachability check) : Max Seen:[6] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17462016559764741791.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8748614788955852540.kers'
[2026-05-25 05:18:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17462016559764741791.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8748614788955852540.kers]
Normalized transition count is 680 out of 1205 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 680 rows 416 cols 2026 entries
Finished phase 1 with 413 SingleSign rule and 0 generalized
[2026-05-25 05:18:09] [INFO ] Computed 3 invariants in 3 ms
Computed 3 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-8748614788955852540.kers
Total runtime 7 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[6] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2399 ms. (416 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 594 ms. (1680 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[6] Max Struct:[+inf]
[2026-05-25 05:18:12] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13827252394845798456.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11314272204891132997.kers'
[2026-05-25 05:18:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13827252394845798456.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11314272204891132997.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 680 rows 416 cols 2026 entries
Finished phase 1 with 413 SingleSign rule and 0 generalized
[2026-05-25 05:18:12] [INFO ] Computed 3 invariants in 7 ms
Computed 3 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-11314272204891132997.kers
Total runtime 9 ms.
[2026-05-25 05:18:12] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-25 05:18:12] [INFO ] [Real]Absence check using state equation in 150 ms returned sat
[2026-05-25 05:18:12] [INFO ] State equation strengthened by 75 read => feed constraints.
[2026-05-25 05:18:12] [INFO ] [Real]Added 75 Read/Feed constraints in 24 ms returned sat
[2026-05-25 05:18:12] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 05:18:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-25 05:18:12] [INFO ] [Nat]Absence check using state equation in 147 ms returned sat
[2026-05-25 05:18:13] [INFO ] [Nat]Added 75 Read/Feed constraints in 51 ms returned sat
[2026-05-25 05:18:13] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 270 ms
[2026-05-25 05:18:13] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 67 ms.
[2026-05-25 05:18:13] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 219 ms
[2026-05-25 05:18:13] [INFO ] Added : 6 causal constraints over 2 iterations in 421 ms. Result :sat
Minimization took 267 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[6] Max Struct:[+inf]
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1205/1205 transitions.
Applied a total of 0 rules in 47 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 416/416 places, 1205/1205 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1205/1205 transitions.
Applied a total of 0 rules in 46 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
[2026-05-25 05:18:14] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2026-05-25 05:18:14] [INFO ] Invariant cache hit.
[2026-05-25 05:18:14] [INFO ] Implicit Places using invariants in 285 ms returned []
[2026-05-25 05:18:14] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2026-05-25 05:18:14] [INFO ] Invariant cache hit.
[2026-05-25 05:18:14] [INFO ] State equation strengthened by 75 read => feed constraints.
[2026-05-25 05:18:15] [INFO ] Implicit Places using invariants and state equation in 1546 ms returned []
Implicit Place search using SMT with State Equation took 1832 ms to find 0 implicit places.
[2026-05-25 05:18:15] [INFO ] Redundant transitions in 23 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1912 ms. Remains : 416/416 places, 1205/1205 transitions.
[2026-05-25 05:18:15] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
findPositiveTsemiflow completed in 144 ms - Found solution {219=1, 303=1, 501=1, 675=1} and attempted to minimize in 0 ms success -> {256=1, 340=1, 666=1, 678=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[6] Max Struct:[+inf]
[2026-05-25 05:18:26] [INFO ] Flatten gal took : 45 ms
RANDOM walk for 40003 steps (8 resets) in 225 ms. (177 steps per ms) remains 1/1 properties
[2026-05-25 05:18:26] [INFO ] Flatten gal took : 28 ms
[2026-05-25 05:18:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15177777266955533725.gal : 5 ms
[2026-05-25 05:18:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13319602848744626199.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15177777266955533725.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13319602848744626199.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 ...330
BEST_FIRST walk for 40003 steps (8 resets) in 59 ms. (666 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality13319602848744626199.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 27
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :27 after 1033
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1033 after 19105
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19105 after 53763
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :53763 after 57719
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :57719 after 63423
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :63423 after 74364
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :74364 after 95269
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :95269 after 110873
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :110873 after 114389
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 2049 fixpoint passes
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,124304,2.69839,82412,2,4320,16,306701,6,0,2872,47130,0
Total reachable state count : 124304

Verifying 1 reachability properties.
Invariant property MIN0 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
MIN0,1,2.70026,82412,2,417,16,306701,7,0,2875,47130,0
ITS tools runner thread asked to quit. Dying gracefully.
Interrupted probabilistic random walk after 549326 steps, run timeout after 3001 ms. (steps per millisecond=183 ) properties seen :0 out of 1
Probabilistic random walk after 549326 steps, saw 336839 distinct states, run finished after 3001 ms. (steps per millisecond=183 ) properties seen :0
Current structural bounds on expressions (after reachability check) : Max Seen:[7] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-838817826181737127.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-235182167065186330.kers'
[2026-05-25 05:18:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-838817826181737127.kers, --Pflows, --basisKERS=/tmp/petrispot-output-235182167065186330.kers]
Normalized transition count is 680 out of 1205 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 680 rows 416 cols 2026 entries
Finished phase 1 with 413 SingleSign rule and 0 generalized
[2026-05-25 05:18:29] [INFO ] Computed 3 invariants in 4 ms
Computed 3 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-235182167065186330.kers
Total runtime 7 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[7] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2311 ms. (432 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 577 ms. (1730 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7] Max Struct:[+inf]
[2026-05-25 05:18:32] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3066940249247267264.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3754835945054610345.kers'
[2026-05-25 05:18:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3066940249247267264.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3754835945054610345.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 680 rows 416 cols 2026 entries
Finished phase 1 with 413 SingleSign rule and 0 generalized
[2026-05-25 05:18:32] [INFO ] Computed 3 invariants in 7 ms
Computed 3 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-3754835945054610345.kers
Total runtime 9 ms.
[2026-05-25 05:18:32] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-25 05:18:32] [INFO ] [Real]Absence check using state equation in 147 ms returned sat
[2026-05-25 05:18:32] [INFO ] State equation strengthened by 75 read => feed constraints.
[2026-05-25 05:18:32] [INFO ] [Real]Added 75 Read/Feed constraints in 26 ms returned sat
[2026-05-25 05:18:32] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 05:18:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-25 05:18:32] [INFO ] [Nat]Absence check using state equation in 129 ms returned sat
[2026-05-25 05:18:32] [INFO ] [Nat]Added 75 Read/Feed constraints in 52 ms returned sat
[2026-05-25 05:18:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 279 ms
[2026-05-25 05:18:33] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 62 ms.
[2026-05-25 05:18:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 232 ms
[2026-05-25 05:18:33] [INFO ] Added : 6 causal constraints over 2 iterations in 434 ms. Result :sat
Minimization took 261 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7] Max Struct:[+inf]
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1205/1205 transitions.
Applied a total of 0 rules in 49 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49 ms. Remains : 416/416 places, 1205/1205 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1205/1205 transitions.
Applied a total of 0 rules in 49 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
[2026-05-25 05:18:33] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2026-05-25 05:18:33] [INFO ] Invariant cache hit.
[2026-05-25 05:18:34] [INFO ] Implicit Places using invariants in 303 ms returned []
[2026-05-25 05:18:34] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2026-05-25 05:18:34] [INFO ] Invariant cache hit.
[2026-05-25 05:18:34] [INFO ] State equation strengthened by 75 read => feed constraints.
[2026-05-25 05:18:35] [INFO ] Implicit Places using invariants and state equation in 1522 ms returned []
Implicit Place search using SMT with State Equation took 1828 ms to find 0 implicit places.
[2026-05-25 05:18:35] [INFO ] Redundant transitions in 23 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1910 ms. Remains : 416/416 places, 1205/1205 transitions.
[2026-05-25 05:18:35] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
findPositiveTsemiflow completed in 144 ms - Found solution {219=1, 303=1, 501=1, 675=1} and attempted to minimize in 1 ms success -> {256=1, 340=1, 666=1, 678=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[7] Max Struct:[+inf]
RANDOM walk for 40002 steps (8 resets) in 152 ms. (261 steps per ms) remains 1/1 properties
[2026-05-25 05:18:46] [INFO ] Flatten gal took : 41 ms
BEST_FIRST walk for 40004 steps (8 resets) in 65 ms. (606 steps per ms) remains 1/1 properties
[2026-05-25 05:18:46] [INFO ] Flatten gal took : 41 ms
[2026-05-25 05:18:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11969811764414518811.gal : 6 ms
[2026-05-25 05:18:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5940231357116199626.prop : 0 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/ReachabilityCardinality11969811764414518811.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5940231357116199626.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/ReachabilityCardinality5940231357116199626.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 27
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :27 after 1033
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1033 after 19105
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19105 after 53763
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :53763 after 57719
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :57719 after 63423
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :63423 after 74364
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :74364 after 95269
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :95269 after 110873
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :110873 after 114389
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 2049 fixpoint passes
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,124304,2.7798,83560,2,4320,16,306701,6,0,2872,47130,0
Total reachable state count : 124304

Verifying 1 reachability properties.
Invariant property MIN0 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
MIN0,1,2.78162,83560,2,417,16,306701,7,0,2875,47130,0
Interrupted probabilistic random walk after 553678 steps, run timeout after 3001 ms. (steps per millisecond=184 ) properties seen :0 out of 1
Probabilistic random walk after 553678 steps, saw 339508 distinct states, run finished after 3001 ms. (steps per millisecond=184 ) properties seen :0
Current structural bounds on expressions (after reachability check) : Max Seen:[8] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4372036813964176334.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6782971731955953840.kers'
[2026-05-25 05:18:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4372036813964176334.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6782971731955953840.kers]
Normalized transition count is 680 out of 1205 initially.
Culled 0 columns in 1 ms.
// Phase 1: matrix 680 rows 416 cols 2026 entries
Finished phase 1 with 413 SingleSign rule and 0 generalized
[2026-05-25 05:18:49] [INFO ] Computed 3 invariants in 7 ms
Computed 3 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-6782971731955953840.kers
Total runtime 11 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[8] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 2369 ms. (421 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 601 ms. (1661 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8] Max Struct:[+inf]
[2026-05-25 05:18:52] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7949773127937861647.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6212546127908630825.kers'
[2026-05-25 05:18:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7949773127937861647.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6212546127908630825.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 680 rows 416 cols 2026 entries
Finished phase 1 with 413 SingleSign rule and 0 generalized
[2026-05-25 05:18:52] [INFO ] Computed 3 invariants in 6 ms
Computed 3 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-6212546127908630825.kers
Total runtime 8 ms.
[2026-05-25 05:18:52] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2026-05-25 05:18:52] [INFO ] [Real]Absence check using state equation in 133 ms returned sat
[2026-05-25 05:18:52] [INFO ] State equation strengthened by 75 read => feed constraints.
[2026-05-25 05:18:52] [INFO ] [Real]Added 75 Read/Feed constraints in 30 ms returned sat
[2026-05-25 05:18:52] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 05:18:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2026-05-25 05:18:52] [INFO ] [Nat]Absence check using state equation in 134 ms returned sat
[2026-05-25 05:18:52] [INFO ] [Nat]Added 75 Read/Feed constraints in 69 ms returned sat
[2026-05-25 05:18:52] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 289 ms
[2026-05-25 05:18:52] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 65 ms.
[2026-05-25 05:18:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 239 ms
[2026-05-25 05:18:53] [INFO ] Added : 6 causal constraints over 2 iterations in 448 ms. Result :sat
Minimization took 261 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[8] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8] Max Struct:[+inf]
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1205/1205 transitions.
Applied a total of 0 rules in 52 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53 ms. Remains : 416/416 places, 1205/1205 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1205/1205 transitions.
Applied a total of 0 rules in 47 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
[2026-05-25 05:18:53] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2026-05-25 05:18:53] [INFO ] Invariant cache hit.
[2026-05-25 05:18:54] [INFO ] Implicit Places using invariants in 299 ms returned []
[2026-05-25 05:18:54] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2026-05-25 05:18:54] [INFO ] Invariant cache hit.
[2026-05-25 05:18:54] [INFO ] State equation strengthened by 75 read => feed constraints.
[2026-05-25 05:18:55] [INFO ] Implicit Places using invariants and state equation in 1529 ms returned []
Implicit Place search using SMT with State Equation took 1828 ms to find 0 implicit places.
[2026-05-25 05:18:55] [INFO ] Redundant transitions in 20 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1900 ms. Remains : 416/416 places, 1205/1205 transitions.
[2026-05-25 05:18:55] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
findPositiveTsemiflow completed in 144 ms - Found solution {219=1, 303=1, 501=1, 675=1} and attempted to minimize in 0 ms success -> {256=1, 340=1, 666=1, 678=1}
FORMULA FunctionPointer-PT-c002-UpperBounds-02 +inf TECHNIQUES TOPOLOGICAL COVER_WALK
Current structural bounds on expressions (after cover walk) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 271115 ms.

BK_STOP 1779686341188

--------------------
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="FunctionPointer-PT-c002"
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 FunctionPointer-PT-c002, 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 r146-tall-177961074000117"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-c002.tgz
mv FunctionPointer-PT-c002 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 ;