About the Execution of ITS-Tools for PolyORBLF-PT-S02J04T10
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 2782.676 | 3600000.00 | 5761414.00 | 8075.90 | 1 ? 1 1 1 9 1 1 10 1 ? 1 1 1 1 1 | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2026-input.r210-smll-177969942200429.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is PolyORBLF-PT-S02J04T10, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r210-smll-177969942200429
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.0M
-rw-r--r-- 1 mcc users 25K Mar 8 15:07 CTLCardinality.txt
-rw-r--r-- 1 mcc users 148K Mar 8 15:07 CTLCardinality.xml
-rw-r--r-- 1 mcc users 20K Mar 8 15:07 CTLFireability.txt
-rw-r--r-- 1 mcc users 107K Mar 8 15:07 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 11K Mar 16 08:41 LTLCardinality.txt
-rw-r--r-- 1 mcc users 40K Mar 16 08:41 LTLCardinality.xml
-rw-r--r-- 1 mcc users 8.4K Mar 16 08:41 LTLFireability.txt
-rw-r--r-- 1 mcc users 40K Mar 16 08:41 LTLFireability.xml
-rw-r--r-- 1 mcc users 39K Mar 8 15:07 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 215K Mar 8 15:07 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 62K Mar 8 15:07 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 318K Mar 8 15:07 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 16 08:41 UpperBounds.txt
-rw-r--r-- 1 mcc users 7.9K Mar 16 08:41 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 10 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 906K 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 PolyORBLF-PT-S02J04T10-UpperBounds-00
FORMULA_NAME PolyORBLF-PT-S02J04T10-UpperBounds-01
FORMULA_NAME PolyORBLF-PT-S02J04T10-UpperBounds-02
FORMULA_NAME PolyORBLF-PT-S02J04T10-UpperBounds-03
FORMULA_NAME PolyORBLF-PT-S02J04T10-UpperBounds-04
FORMULA_NAME PolyORBLF-PT-S02J04T10-UpperBounds-05
FORMULA_NAME PolyORBLF-PT-S02J04T10-UpperBounds-06
FORMULA_NAME PolyORBLF-PT-S02J04T10-UpperBounds-07
FORMULA_NAME PolyORBLF-PT-S02J04T10-UpperBounds-08
FORMULA_NAME PolyORBLF-PT-S02J04T10-UpperBounds-09
FORMULA_NAME PolyORBLF-PT-S02J04T10-UpperBounds-10
FORMULA_NAME PolyORBLF-PT-S02J04T10-UpperBounds-11
FORMULA_NAME PolyORBLF-PT-S02J04T10-UpperBounds-12
FORMULA_NAME PolyORBLF-PT-S02J04T10-UpperBounds-13
FORMULA_NAME PolyORBLF-PT-S02J04T10-UpperBounds-14
FORMULA_NAME PolyORBLF-PT-S02J04T10-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1780197242393
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PolyORBLF-PT-S02J04T10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-31 03:14:04] [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]
[2026-05-31 03:14:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-31 03:14:05] [INFO ] Load time of PNML (sax parser for PT used): 282 ms
[2026-05-31 03:14:05] [INFO ] Transformed 752 places.
[2026-05-31 03:14:05] [INFO ] Transformed 1572 transitions.
[2026-05-31 03:14:05] [INFO ] Parsed PT model containing 752 places and 1572 transitions and 7262 arcs in 470 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 13 ms.
Reduction of identical properties reduced properties to check from 16 to 15
Ensure Unique test removed 160 transitions
Reduce redundant transitions removed 160 transitions.
Current structural bounds on expressions (Initially) : Max Seen:[1, 0, 0, 0, 1, 9, 1, 0, 9, 0, 0, 0, 0, 1, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1, 0, 0, 0, 1, 9, 1, 0, 9, 0, 0, 0, 0, 1, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7749322970782202406.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16590315058423657379.kers'
[2026-05-31 03:14:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7749322970782202406.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16590315058423657379.kers]
Normalized transition count is 1392 out of 1412 initially.
Culling duplicate invariants (modulo rational): removing 7 columns.
Culled 7 columns in 1 ms.
// Phase 1: matrix 1392 rows 745 cols 5466 entries
Finished phase 1 with 510 SingleSign rule and 188 generalized
[2026-05-31 03:14:05] [INFO ] Computed 54 invariants in 16 ms
Computed 54 P flows in 18 ms.
Exported basis to /tmp/petrispot-output-16590315058423657379.kers
Total runtime 21 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1, 0, 0, 0, 1, 9, 1, 0, 9, 0, 0, 0, 0, 1, 0] Max Struct:[555, 540, 100, 100, 15, 150, 130, 140, 10, 13, 10, 13, 10, 1, 10]
FORMULA PolyORBLF-PT-S02J04T10-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10000 steps (2 resets) in 162 ms. (61 steps per ms)
FORMULA PolyORBLF-PT-S02J04T10-UpperBounds-08 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 130007 steps (32 resets) in 845 ms. (153 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 2, 1, 1, 1, 9, 1, 1, 1, 1, 1, 1, 1] Max Struct:[555, 540, 100, 100, 15, 150, 130, 140, 13, 10, 13, 10, 10]
[2026-05-31 03:14:06] [INFO ] Flow matrix only has 1392 transitions (discarded 20 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3485199063229287116.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15090317886690584344.kers'
[2026-05-31 03:14:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3485199063229287116.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15090317886690584344.kers]
Culling duplicate invariants (modulo rational): removing 7 columns.
Culled 7 columns in 1 ms.
// Phase 1: matrix 1392 rows 745 cols 5466 entries
Finished phase 1 with 510 SingleSign rule and 188 generalized
[2026-05-31 03:14:06] [INFO ] Computed 54 invariants in 16 ms
Computed 54 P flows in 17 ms.
Exported basis to /tmp/petrispot-output-15090317886690584344.kers
Total runtime 20 ms.
[2026-05-31 03:14:07] [INFO ] [Real]Absence check using 14 positive place invariants in 45 ms returned sat
[2026-05-31 03:14:07] [INFO ] [Real]Absence check using 14 positive and 40 generalized place invariants in 90 ms returned unsat
[2026-05-31 03:14:07] [INFO ] [Real]Absence check using 14 positive place invariants in 36 ms returned sat
[2026-05-31 03:14:07] [INFO ] [Real]Absence check using 14 positive and 40 generalized place invariants in 77 ms returned sat
[2026-05-31 03:14:10] [INFO ] [Real]Absence check using state equation in 2114 ms returned sat
[2026-05-31 03:14:10] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:14:10] [INFO ] [Nat]Absence check using 14 positive place invariants in 32 ms returned sat
[2026-05-31 03:14:10] [INFO ] [Nat]Absence check using 14 positive and 40 generalized place invariants in 75 ms returned sat
[2026-05-31 03:14:13] [INFO ] [Nat]Absence check using state equation in 2658 ms returned unknown
[2026-05-31 03:14:13] [INFO ] [Real]Absence check using 14 positive place invariants in 24 ms returned sat
[2026-05-31 03:14:13] [INFO ] [Real]Absence check using 14 positive and 40 generalized place invariants in 80 ms returned unsat
[2026-05-31 03:14:13] [INFO ] [Real]Absence check using 14 positive place invariants in 24 ms returned sat
[2026-05-31 03:14:13] [INFO ] [Real]Absence check using 14 positive and 40 generalized place invariants in 79 ms returned unsat
[2026-05-31 03:14:14] [INFO ] [Real]Absence check using 14 positive place invariants in 24 ms returned sat
[2026-05-31 03:14:14] [INFO ] [Real]Absence check using 14 positive and 40 generalized place invariants in 46 ms returned unsat
[2026-05-31 03:14:14] [INFO ] [Real]Absence check using 14 positive place invariants in 22 ms returned sat
[2026-05-31 03:14:14] [INFO ] [Real]Absence check using 14 positive and 40 generalized place invariants in 86 ms returned sat
[2026-05-31 03:14:17] [INFO ] [Real]Absence check using state equation in 2861 ms returned sat
[2026-05-31 03:14:17] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:14:17] [INFO ] [Nat]Absence check using 14 positive place invariants in 25 ms returned sat
[2026-05-31 03:14:17] [INFO ] [Nat]Absence check using 14 positive and 40 generalized place invariants in 73 ms returned sat
[2026-05-31 03:14:20] [INFO ] [Nat]Absence check using state equation in 2354 ms returned sat
[2026-05-31 03:14:20] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:14:20] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-31 03:14:21] [INFO ] [Nat]Added 120 Read/Feed constraints in 1019 ms returned unknown
[2026-05-31 03:14:21] [INFO ] [Real]Absence check using 14 positive place invariants in 24 ms returned sat
[2026-05-31 03:14:21] [INFO ] [Real]Absence check using 14 positive and 40 generalized place invariants in 64 ms returned unsat
[2026-05-31 03:14:21] [INFO ] [Real]Absence check using 14 positive place invariants in 24 ms returned sat
[2026-05-31 03:14:21] [INFO ] [Real]Absence check using 14 positive and 40 generalized place invariants in 71 ms returned unsat
[2026-05-31 03:14:22] [INFO ] [Real]Absence check using 14 positive place invariants in 22 ms returned sat
[2026-05-31 03:14:22] [INFO ] [Real]Absence check using 14 positive and 40 generalized place invariants in 37 ms returned unsat
[2026-05-31 03:14:22] [INFO ] [Real]Absence check using 14 positive place invariants in 24 ms returned sat
[2026-05-31 03:14:22] [INFO ] [Real]Absence check using 14 positive and 40 generalized place invariants in 75 ms returned sat
[2026-05-31 03:14:26] [INFO ] [Real]Absence check using state equation in 3508 ms returned sat
[2026-05-31 03:14:26] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:14:26] [INFO ] [Nat]Absence check using 14 positive place invariants in 22 ms returned sat
[2026-05-31 03:14:26] [INFO ] [Nat]Absence check using 14 positive and 40 generalized place invariants in 70 ms returned sat
[2026-05-31 03:14:29] [INFO ] [Nat]Absence check using state equation in 3329 ms returned unknown
[2026-05-31 03:14:29] [INFO ] [Real]Absence check using 14 positive place invariants in 14 ms returned sat
[2026-05-31 03:14:29] [INFO ] [Real]Absence check using 14 positive and 40 generalized place invariants in 38 ms returned unsat
[2026-05-31 03:14:30] [INFO ] [Real]Absence check using 14 positive place invariants in 20 ms returned sat
[2026-05-31 03:14:30] [INFO ] [Real]Absence check using 14 positive and 40 generalized place invariants in 32 ms returned unsat
[2026-05-31 03:14:30] [INFO ] [Real]Absence check using 14 positive place invariants in 19 ms returned sat
[2026-05-31 03:14:30] [INFO ] [Real]Absence check using 14 positive and 40 generalized place invariants in 63 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[1, 2, 1, 1, 1, 9, 1, 1, 1, 1, 1, 1, 1] Max Struct:[1, 540, 1, 1, 1, 150, 1, 1, 1, 10, 1, 1, 1]
FORMULA PolyORBLF-PT-S02J04T10-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T10-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T10-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T10-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T10-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T10-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T10-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T10-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T10-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T10-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T10-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 9, 1] Max Struct:[540, 150, 10]
Support contains 21 out of 752 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 752/752 places, 1412/1412 transitions.
Ensure Unique test removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 90 transitions
Trivial Post-agglo rules discarded 90 transitions
Performed 90 trivial Post agglomeration. Transition count delta: 90
Iterating post reduction 0 with 92 rules applied. Total rules applied 92 place count 750 transition count 1322
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 1 with 90 rules applied. Total rules applied 182 place count 660 transition count 1322
Performed 80 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 80 Pre rules applied. Total rules applied 182 place count 660 transition count 1242
Deduced a syphon composed of 80 places in 3 ms
Reduce places removed 80 places and 0 transitions.
Iterating global reduction 2 with 160 rules applied. Total rules applied 342 place count 580 transition count 1242
Performed 60 Post agglomeration using F-continuation condition.Transition count delta: 60
Deduced a syphon composed of 60 places in 3 ms
Reduce places removed 60 places and 0 transitions.
Iterating global reduction 2 with 120 rules applied. Total rules applied 462 place count 520 transition count 1182
Free-agglomeration rule (complex) applied 20 times.
Iterating global reduction 2 with 20 rules applied. Total rules applied 482 place count 520 transition count 1162
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 2 with 20 rules applied. Total rules applied 502 place count 500 transition count 1162
Applied a total of 502 rules in 410 ms. Remains 500 /752 variables (removed 252) and now considering 1162/1412 (removed 250) transitions.
Running 1160 sub problems to find dead transitions.
[2026-05-31 03:14:30] [INFO ] Flow matrix only has 1142 transitions (discarded 20 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2827131659811598350.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9650268425337751415.kers'
[2026-05-31 03:14:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2827131659811598350.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9650268425337751415.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1142 rows 495 cols 5206 entries
Finished phase 1 with 260 SingleSign rule and 188 generalized
[2026-05-31 03:14:30] [INFO ] Computed 52 invariants in 11 ms
Computed 52 P flows in 12 ms.
Exported basis to /tmp/petrispot-output-9650268425337751415.kers
Total runtime 15 ms.
[2026-05-31 03:14:31] [INFO ] State equation strengthened by 120 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
At refinement iteration 0 (INCLUDED_ONLY) 0/498 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 1160 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/498 variables, 36/50 constraints. Problems are: Problem set: 0 solved, 1160 unsolved
SMT process timed out in 22741ms, After SMT, problems are : Problem set: 0 solved, 1160 unsolved
Search for dead transitions found 0 dead transitions in 22791ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23272 ms. Remains : 500/752 places, 1162/1412 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5670857722202027029.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10481162664217568024.kers'
[2026-05-31 03:14:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5670857722202027029.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10481162664217568024.kers]
Normalized transition count is 1142 out of 1162 initially.
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 2 ms.
// Phase 1: matrix 1142 rows 495 cols 5206 entries
Finished phase 1 with 260 SingleSign rule and 188 generalized
[2026-05-31 03:14:53] [INFO ] Computed 52 invariants in 17 ms
Computed 52 P flows in 18 ms.
Exported basis to /tmp/petrispot-output-10481162664217568024.kers
Total runtime 20 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 9, 1] Max Struct:[540, 150, 10]
RANDOM walk for 1000000 steps (299 resets) in 8093 ms. (123 steps per ms)
BEST_FIRST walk for 3000003 steps (111 resets) in 11090 ms. (270 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 9, 1] Max Struct:[540, 150, 10]
[2026-05-31 03:15:12] [INFO ] Flow matrix only has 1142 transitions (discarded 20 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8315790577805951230.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4971910196859949991.kers'
[2026-05-31 03:15:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8315790577805951230.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4971910196859949991.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1142 rows 495 cols 5206 entries
Finished phase 1 with 260 SingleSign rule and 188 generalized
[2026-05-31 03:15:12] [INFO ] Computed 52 invariants in 10 ms
Computed 52 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-4971910196859949991.kers
Total runtime 13 ms.
[2026-05-31 03:15:13] [INFO ] [Real]Absence check using 14 positive place invariants in 11 ms returned sat
[2026-05-31 03:15:13] [INFO ] [Real]Absence check using 14 positive and 38 generalized place invariants in 36 ms returned sat
[2026-05-31 03:15:13] [INFO ] [Real]Absence check using state equation in 622 ms returned sat
[2026-05-31 03:15:13] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:15:13] [INFO ] [Nat]Absence check using 14 positive place invariants in 11 ms returned sat
[2026-05-31 03:15:13] [INFO ] [Nat]Absence check using 14 positive and 38 generalized place invariants in 40 ms returned sat
[2026-05-31 03:15:14] [INFO ] [Nat]Absence check using state equation in 1009 ms returned sat
[2026-05-31 03:15:14] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:15:15] [INFO ] [Nat]Added 120 Read/Feed constraints in 994 ms returned sat
[2026-05-31 03:15:16] [INFO ] Computed and/alt/rep : 480/1048/470 causal constraints (skipped 670 transitions) in 171 ms.
[2026-05-31 03:15:17] [INFO ] Added : 37 causal constraints over 8 iterations in 1449 ms. Result :sat
Minimization took 4679 ms.
[2026-05-31 03:15:22] [INFO ] [Real]Absence check using 14 positive place invariants in 11 ms returned sat
[2026-05-31 03:15:22] [INFO ] [Real]Absence check using 14 positive and 38 generalized place invariants in 35 ms returned sat
[2026-05-31 03:15:23] [INFO ] [Real]Absence check using state equation in 1218 ms returned sat
[2026-05-31 03:15:23] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:15:23] [INFO ] [Nat]Absence check using 14 positive place invariants in 11 ms returned sat
[2026-05-31 03:15:23] [INFO ] [Nat]Absence check using 14 positive and 38 generalized place invariants in 33 ms returned sat
[2026-05-31 03:15:27] [INFO ] [Nat]Absence check using state equation in 3535 ms returned sat
[2026-05-31 03:15:27] [INFO ] [Nat]Added 120 Read/Feed constraints in 445 ms returned sat
[2026-05-31 03:15:28] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 562 ms
[2026-05-31 03:15:28] [INFO ] [Real]Absence check using 14 positive place invariants in 12 ms returned sat
[2026-05-31 03:15:28] [INFO ] [Real]Absence check using 14 positive and 38 generalized place invariants in 39 ms returned sat
[2026-05-31 03:15:29] [INFO ] [Real]Absence check using state equation in 1339 ms returned sat
[2026-05-31 03:15:29] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:15:29] [INFO ] [Nat]Absence check using 14 positive place invariants in 15 ms returned sat
[2026-05-31 03:15:29] [INFO ] [Nat]Absence check using 14 positive and 38 generalized place invariants in 34 ms returned sat
[2026-05-31 03:15:32] [INFO ] [Nat]Absence check using state equation in 2548 ms returned sat
[2026-05-31 03:15:33] [INFO ] [Nat]Added 120 Read/Feed constraints in 1071 ms returned sat
[2026-05-31 03:15:38] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 4841 ms
[2026-05-31 03:15:38] [INFO ] Computed and/alt/rep : 480/1048/470 causal constraints (skipped 670 transitions) in 177 ms.
[2026-05-31 03:15:41] [INFO ] Added : 65 causal constraints over 13 iterations in 2868 ms. Result :sat
Minimization took 4632 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 9, 1] Max Struct:[540, 9, 10]
FORMULA PolyORBLF-PT-S02J04T10-UpperBounds-05 9 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 1] Max Struct:[540, 10]
Support contains 11 out of 500 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 500/500 places, 1162/1162 transitions.
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 2 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 490 transition count 1152
Applied a total of 20 rules in 61 ms. Remains 490 /500 variables (removed 10) and now considering 1152/1162 (removed 10) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61 ms. Remains : 490/500 places, 1152/1162 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15494902872677029980.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14578161108853652290.kers'
[2026-05-31 03:15:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15494902872677029980.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14578161108853652290.kers]
Normalized transition count is 1132 out of 1152 initially.
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1132 rows 485 cols 5186 entries
Finished phase 1 with 250 SingleSign rule and 188 generalized
[2026-05-31 03:15:46] [INFO ] Computed 52 invariants in 11 ms
Computed 52 P flows in 12 ms.
Exported basis to /tmp/petrispot-output-14578161108853652290.kers
Total runtime 13 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 1] Max Struct:[540, 10]
RANDOM walk for 1000000 steps (339 resets) in 7339 ms. (136 steps per ms)
BEST_FIRST walk for 2000002 steps (134 resets) in 7377 ms. (271 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 1] Max Struct:[540, 10]
[2026-05-31 03:16:00] [INFO ] Flow matrix only has 1132 transitions (discarded 20 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6985713921865848690.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1462520697565816588.kers'
[2026-05-31 03:16:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6985713921865848690.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1462520697565816588.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1132 rows 485 cols 5186 entries
Finished phase 1 with 250 SingleSign rule and 188 generalized
[2026-05-31 03:16:00] [INFO ] Computed 52 invariants in 10 ms
Computed 52 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-1462520697565816588.kers
Total runtime 12 ms.
[2026-05-31 03:16:00] [INFO ] [Real]Absence check using 14 positive place invariants in 11 ms returned sat
[2026-05-31 03:16:00] [INFO ] [Real]Absence check using 14 positive and 38 generalized place invariants in 48 ms returned sat
[2026-05-31 03:16:02] [INFO ] [Real]Absence check using state equation in 1282 ms returned sat
[2026-05-31 03:16:02] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:16:02] [INFO ] [Nat]Absence check using 14 positive place invariants in 15 ms returned sat
[2026-05-31 03:16:02] [INFO ] [Nat]Absence check using 14 positive and 38 generalized place invariants in 54 ms returned sat
[2026-05-31 03:16:04] [INFO ] [Nat]Absence check using state equation in 1851 ms returned sat
[2026-05-31 03:16:04] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:16:05] [INFO ] [Nat]Added 120 Read/Feed constraints in 971 ms returned sat
[2026-05-31 03:16:05] [INFO ] Computed and/alt/rep : 470/1038/460 causal constraints (skipped 670 transitions) in 125 ms.
[2026-05-31 03:16:06] [INFO ] Added : 22 causal constraints over 5 iterations in 824 ms. Result :sat
Minimization took 4934 ms.
[2026-05-31 03:16:11] [INFO ] [Real]Absence check using 14 positive place invariants in 12 ms returned sat
[2026-05-31 03:16:11] [INFO ] [Real]Absence check using 14 positive and 38 generalized place invariants in 37 ms returned sat
[2026-05-31 03:16:14] [INFO ] [Real]Absence check using state equation in 3387 ms returned sat
[2026-05-31 03:16:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:16:14] [INFO ] [Nat]Absence check using 14 positive place invariants in 11 ms returned sat
[2026-05-31 03:16:14] [INFO ] [Nat]Absence check using 14 positive and 38 generalized place invariants in 34 ms returned sat
[2026-05-31 03:16:18] [INFO ] [Nat]Absence check using state equation in 3350 ms returned sat
[2026-05-31 03:16:19] [INFO ] [Nat]Added 120 Read/Feed constraints in 1502 ms returned sat
[2026-05-31 03:16:21] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 1322 ms
[2026-05-31 03:16:21] [INFO ] Computed and/alt/rep : 470/1038/460 causal constraints (skipped 670 transitions) in 130 ms.
[2026-05-31 03:16:22] [INFO ] Added : 47 causal constraints over 10 iterations in 1358 ms. Result :sat
Minimization took 4958 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 1] Max Struct:[540, 10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 1] Max Struct:[540, 10]
Support contains 11 out of 490 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 490/490 places, 1152/1152 transitions.
Applied a total of 0 rules in 40 ms. Remains 490 /490 variables (removed 0) and now considering 1152/1152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41 ms. Remains : 490/490 places, 1152/1152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 490/490 places, 1152/1152 transitions.
Applied a total of 0 rules in 33 ms. Remains 490 /490 variables (removed 0) and now considering 1152/1152 (removed 0) transitions.
[2026-05-31 03:16:27] [INFO ] Flow matrix only has 1132 transitions (discarded 20 similar events)
[2026-05-31 03:16:27] [INFO ] Invariant cache hit.
[2026-05-31 03:16:29] [INFO ] Implicit Places using invariants in 2325 ms returned [3, 60, 123, 175, 254, 283, 340, 372, 380, 438]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 2338 ms to find 10 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 480/490 places, 1152/1152 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 472 transition count 1144
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 472 transition count 1144
Applied a total of 16 rules in 73 ms. Remains 472 /480 variables (removed 8) and now considering 1144/1152 (removed 8) transitions.
[2026-05-31 03:16:29] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2145842759656904268.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1922735638025992208.kers'
[2026-05-31 03:16:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2145842759656904268.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1922735638025992208.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 03:16:29] [INFO ] Computed 42 invariants in 9 ms
Computed 42 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-1922735638025992208.kers
Total runtime 11 ms.
[2026-05-31 03:16:31] [INFO ] Implicit Places using invariants in 1576 ms returned []
[2026-05-31 03:16:31] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:16:31] [INFO ] Invariant cache hit.
[2026-05-31 03:16:32] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:16:56] [INFO ] Implicit Places using invariants and state equation in 24759 ms returned []
Implicit Place search using SMT with State Equation took 26337 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 472/490 places, 1144/1152 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 28789 ms. Remains : 472/490 places, 1144/1152 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13547349360121510295.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11049009275419388584.kers'
[2026-05-31 03:16:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13547349360121510295.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11049009275419388584.kers]
Normalized transition count is 1124 out of 1144 initially.
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 03:16:56] [INFO ] Computed 42 invariants in 11 ms
Computed 42 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-11049009275419388584.kers
Total runtime 13 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 1] Max Struct:[540, 10]
RANDOM walk for 1000000 steps (342 resets) in 7513 ms. (133 steps per ms)
BEST_FIRST walk for 2000002 steps (151 resets) in 6655 ms. (300 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 1] Max Struct:[540, 10]
[2026-05-31 03:17:10] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-836506400024883697.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14981963051161204551.kers'
[2026-05-31 03:17:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-836506400024883697.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14981963051161204551.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 03:17:10] [INFO ] Computed 42 invariants in 11 ms
Computed 42 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-14981963051161204551.kers
Total runtime 14 ms.
[2026-05-31 03:17:10] [INFO ] [Real]Absence check using 14 positive place invariants in 11 ms returned sat
[2026-05-31 03:17:10] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 37 ms returned sat
[2026-05-31 03:17:12] [INFO ] [Real]Absence check using state equation in 1651 ms returned sat
[2026-05-31 03:17:12] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:17:12] [INFO ] [Nat]Absence check using 14 positive place invariants in 10 ms returned sat
[2026-05-31 03:17:12] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 28 ms returned sat
[2026-05-31 03:17:14] [INFO ] [Nat]Absence check using state equation in 1805 ms returned sat
[2026-05-31 03:17:14] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:17:14] [INFO ] [Nat]Added 120 Read/Feed constraints in 568 ms returned sat
[2026-05-31 03:17:14] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 89 ms.
[2026-05-31 03:17:15] [INFO ] Added : 20 causal constraints over 4 iterations in 587 ms. Result :sat
Minimization took 5463 ms.
[2026-05-31 03:17:20] [INFO ] [Real]Absence check using 14 positive place invariants in 9 ms returned sat
[2026-05-31 03:17:20] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 27 ms returned sat
[2026-05-31 03:17:22] [INFO ] [Real]Absence check using state equation in 1557 ms returned sat
[2026-05-31 03:17:22] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:17:22] [INFO ] [Nat]Absence check using 14 positive place invariants in 9 ms returned sat
[2026-05-31 03:17:22] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 28 ms returned sat
[2026-05-31 03:17:28] [INFO ] [Nat]Absence check using state equation in 5700 ms returned sat
[2026-05-31 03:17:29] [INFO ] [Nat]Added 120 Read/Feed constraints in 1122 ms returned sat
[2026-05-31 03:17:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 252 ms
[2026-05-31 03:17:29] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 92 ms.
[2026-05-31 03:17:30] [INFO ] Added : 42 causal constraints over 9 iterations in 934 ms. Result :sat
Minimization took 5130 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 1] Max Struct:[540, 10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 1] Max Struct:[540, 10]
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 37 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 41 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 03:17:35] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:17:35] [INFO ] Invariant cache hit.
[2026-05-31 03:17:37] [INFO ] Implicit Places using invariants in 1578 ms returned []
[2026-05-31 03:17:37] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:17:37] [INFO ] Invariant cache hit.
[2026-05-31 03:17:38] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:18:02] [INFO ] Implicit Places using invariants and state equation in 24894 ms returned []
Implicit Place search using SMT with State Equation took 26475 ms to find 0 implicit places.
[2026-05-31 03:18:02] [INFO ] Redundant transitions in 86 ms returned []
Running 1142 sub problems to find dead transitions.
[2026-05-31 03:18:02] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:18:02] [INFO ] Invariant cache hit.
[2026-05-31 03:18:02] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/470 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/470 variables, 26/40 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 470/1596 variables, and 54 constraints, problems are : Problem set: 0 solved, 1142 unsolved in 30060 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 26/28 constraints, State Equation: 0/472 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 1142/1142 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1142 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/470 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/470 variables, 26/40 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/470 variables, 14/54 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 470/1596 variables, and 54 constraints, problems are : Problem set: 0 solved, 1142 unsolved in 30053 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 26/28 constraints, State Equation: 0/472 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 0/1142 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61381ms problems are : Problem set: 0 solved, 1142 unsolved
Search for dead transitions found 0 dead transitions in 61389ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 88012 ms. Remains : 472/472 places, 1144/1144 transitions.
RANDOM walk for 40000 steps (13 resets) in 2369 ms. (16 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40001 steps (11 resets) in 851 ms. (46 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (11 resets) in 381 ms. (104 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 417 ms. (95 steps per ms) remains 4/4 properties
[2026-05-31 03:19:05] [INFO ] Flatten gal took : 664 ms
BEST_FIRST walk for 40003 steps (8 resets) in 304 ms. (131 steps per ms) remains 4/4 properties
[2026-05-31 03:19:05] [INFO ] Flatten gal took : 216 ms
[2026-05-31 03:19:05] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15314585228945533488.gal : 77 ms
[2026-05-31 03:19:05] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12194028068846827147.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15314585228945533488.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12194028068846827147.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/ReachabilityCardinality12194028068846827147.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :12 after 14
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :14 after 16
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :16 after 17
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :17 after 28
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :28 after 38
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :38 after 270
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :270 after 1832
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :1832 after 2040
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :2040 after 4460
Interrupted probabilistic random walk after 89293 steps, run timeout after 3001 ms. (steps per millisecond=29 ) properties seen :0 out of 4
Probabilistic random walk after 89293 steps, saw 58122 distinct states, run finished after 3007 ms. (steps per millisecond=29 ) properties seen :0
[2026-05-31 03:19:08] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:19:08] [INFO ] Invariant cache hit.
[2026-05-31 03:19:08] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem MAX0 is UNSAT
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :4460 after 8266
Problem MAX1 is UNSAT
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 1/18 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/18 constraints. Problems are: Problem set: 2 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/19 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/19 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/39 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/39 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/42 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/42 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 1124/1594 variables, 470/512 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 120/632 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1594 variables, 0/632 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 2/1596 variables, 2/634 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1596 variables, 1/635 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1596 variables, 0/635 constraints. Problems are: Problem set: 2 solved, 2 unsolved
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :8266 after 11168
At refinement iteration 18 (OVERLAPS) 0/1596 variables, 0/635 constraints. Problems are: Problem set: 2 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1596/1596 variables, and 635 constraints, problems are : Problem set: 2 solved, 2 unsolved in 2973 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 1/18 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 7/25 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/432 variables, 0/25 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 2/434 variables, 1/26 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/434 variables, 0/26 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 33/467 variables, 20/46 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/467 variables, 0/46 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 3/470 variables, 3/49 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/470 variables, 0/49 constraints. Problems are: Problem set: 2 solved, 2 unsolved
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :11168 after 27974
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1594/1596 variables, and 519 constraints, problems are : Problem set: 2 solved, 2 unsolved in 5005 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 470/472 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 0/4 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8008ms problems are : Problem set: 2 solved, 2 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 33 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34 ms. Remains : 472/472 places, 1144/1144 transitions.
RANDOM walk for 40000 steps (13 resets) in 844 ms. (47 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (13 resets) in 321 ms. (124 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 321 ms. (124 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 117883 steps, run timeout after 3001 ms. (steps per millisecond=39 ) properties seen :0 out of 2
Probabilistic random walk after 117883 steps, saw 75847 distinct states, run finished after 3001 ms. (steps per millisecond=39 ) properties seen :0
[2026-05-31 03:19:19] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:19:19] [INFO ] Invariant cache hit.
[2026-05-31 03:19:19] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 2/434 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/434 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 33/467 variables, 20/38 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/467 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 3/470 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/470 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 1124/1594 variables, 470/511 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1594 variables, 120/631 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 0/631 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 2/1596 variables, 2/633 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1596 variables, 1/634 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1596/1596 variables, and 634 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1829 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,4 properties remain. new max is 32768
SDD size :27974 after 356943
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 7/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/48 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 1124/1594 variables, 470/518 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 120/638 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1594 variables, 2/640 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1594 variables, 0/640 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 2/1596 variables, 2/642 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1596 variables, 1/643 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1596 variables, 0/643 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 0/1596 variables, 0/643 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1596/1596 variables, and 643 constraints, problems are : Problem set: 0 solved, 2 unsolved in 8404 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10256ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 679 ms.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 46 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 45 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 03:19:30] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:19:30] [INFO ] Invariant cache hit.
[2026-05-31 03:19:33] [INFO ] Implicit Places using invariants in 2393 ms returned []
[2026-05-31 03:19:33] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:19:33] [INFO ] Invariant cache hit.
SDD proceeding with computation,4 properties remain. new max is 65536
SDD size :356943 after 557338
[2026-05-31 03:19:34] [INFO ] State equation strengthened by 120 read => feed constraints.
Detected timeout of ITS tools.
[2026-05-31 03:19:55] [INFO ] Flatten gal took : 145 ms
[2026-05-31 03:19:55] [INFO ] Applying decomposition
[2026-05-31 03:19:55] [INFO ] Flatten gal took : 77 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph1159603950789626718.txt' '-o' '/tmp/graph1159603950789626718.bin' '-w' '/tmp/graph1159603950789626718.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph1159603950789626718.bin' '-l' '-1' '-v' '-w' '/tmp/graph1159603950789626718.weights' '-q' '0' '-e' '0.001'
[2026-05-31 03:19:56] [INFO ] Decomposing Gal with order
[2026-05-31 03:19:56] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 03:19:57] [INFO ] Removed a total of 933 redundant transitions.
[2026-05-31 03:19:57] [INFO ] Flatten gal took : 505 ms
[2026-05-31 03:19:57] [INFO ] Fuse similar labels procedure discarded/fused a total of 761 labels/synchronizations in 89 ms.
[2026-05-31 03:19:57] [INFO ] Implicit Places using invariants and state equation in 24514 ms returned []
Implicit Place search using SMT with State Equation took 26909 ms to find 0 implicit places.
[2026-05-31 03:19:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality96576245606211194.gal : 29 ms
[2026-05-31 03:19:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11761047180083569476.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/ReachabilityCardinality96576245606211194.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11761047180083569476.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 ...327
[2026-05-31 03:19:57] [INFO ] Redundant transitions in 153 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27121 ms. Remains : 472/472 places, 1144/1144 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 20 place count 472 transition count 1124
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -40
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 40 place count 462 transition count 1164
Drop transitions (Redundant composition of simpler transitions.) removed 40 transitions
Redundant transition composition rules discarded 40 transitions
Iterating global reduction 1 with 40 rules applied. Total rules applied 80 place count 462 transition count 1124
Free-agglomeration rule applied 10 times.
Iterating global reduction 1 with 10 rules applied. Total rules applied 90 place count 462 transition count 1114
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 100 place count 452 transition count 1114
Free-agglomeration rule (complex) applied 10 times.
Iterating global reduction 2 with 10 rules applied. Total rules applied 110 place count 452 transition count 1104
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 120 place count 442 transition count 1104
Applied a total of 120 rules in 145 ms. Remains 442 /472 variables (removed 30) and now considering 1104/1144 (removed 40) transitions.
Running SMT prover for 2 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7618707291749427953.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12409185207192464723.kers'
[2026-05-31 03:19:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7618707291749427953.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12409185207192464723.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 2 ms.
// Phase 1: matrix 1104 rows 437 cols 5312 entries
Finished phase 1 with 210 SingleSign rule and 190 generalized
[2026-05-31 03:19:58] [INFO ] Computed 42 invariants in 18 ms
Computed 42 P flows in 18 ms.
Exported basis to /tmp/petrispot-output-12409185207192464723.kers
Total runtime 20 ms.
[2026-05-31 03:19:58] [INFO ] [Real]Absence check using 17 positive place invariants in 16 ms returned sat
[2026-05-31 03:19:58] [INFO ] [Real]Absence check using 17 positive and 25 generalized place invariants in 28 ms returned sat
[2026-05-31 03:19:58] [INFO ] After 190ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
Loading property file /tmp/ReachabilityCardinality11761047180083569476.prop.
[2026-05-31 03:19:58] [INFO ] [Nat]Absence check using 17 positive place invariants in 15 ms returned sat
[2026-05-31 03:19:58] [INFO ] [Nat]Absence check using 17 positive and 25 generalized place invariants in 27 ms returned sat
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :9 after 17
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :17 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 103
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :103 after 231
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :231 after 253
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :253 after 450
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :450 after 3597
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :3597 after 3807
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3807 after 6550
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :6550 after 9194
[2026-05-31 03:20:02] [INFO ] After 3697ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-31 03:20:03] [INFO ] After 4605ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :9194 after 18470
[2026-05-31 03:20:05] [INFO ] After 7164ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-31 03:20:05] [INFO ] Flatten gal took : 85 ms
[2026-05-31 03:20:05] [INFO ] Flatten gal took : 86 ms
[2026-05-31 03:20:05] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9032757075726837016.gal : 18 ms
[2026-05-31 03:20:05] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11017216291861371446.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/ReachabilityCardinality9032757075726837016.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11017216291861371446.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/ReachabilityCardinality11017216291861371446.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :9 after 11
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :11 after 12
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :12 after 13
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :13 after 18
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :18 after 103
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :103 after 262
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :262 after 3627
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :3627 after 6557
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :6557 after 13945
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :13945 after 16275
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :16275 after 24239
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :18470 after 53236
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :24239 after 59431
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :59431 after 203795
Detected timeout of ITS tools.
[2026-05-31 03:20:20] [INFO ] Flatten gal took : 90 ms
[2026-05-31 03:20:20] [INFO ] Applying decomposition
[2026-05-31 03:20:20] [INFO ] Flatten gal took : 94 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph13570882504956323207.txt' '-o' '/tmp/graph13570882504956323207.bin' '-w' '/tmp/graph13570882504956323207.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph13570882504956323207.bin' '-l' '-1' '-v' '-w' '/tmp/graph13570882504956323207.weights' '-q' '0' '-e' '0.001'
[2026-05-31 03:20:21] [INFO ] Decomposing Gal with order
[2026-05-31 03:20:21] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 03:20:21] [INFO ] Removed a total of 1219 redundant transitions.
[2026-05-31 03:20:21] [INFO ] Flatten gal took : 265 ms
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :53236 after 243858
[2026-05-31 03:20:21] [INFO ] Fuse similar labels procedure discarded/fused a total of 1012 labels/synchronizations in 70 ms.
[2026-05-31 03:20:21] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4058494208188840199.gal : 16 ms
[2026-05-31 03:20:21] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12024915530362371561.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/ReachabilityCardinality4058494208188840199.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12024915530362371561.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/ReachabilityCardinality12024915530362371561.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 14
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :14 after 18
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :18 after 22
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :22 after 34
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :34 after 37
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :37 after 354
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :354 after 450
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :450 after 2575
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :13547 after 13811
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :13811 after 14580
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :14580 after 16020
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :243858 after 540490
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 39072 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (after reachability check) : Max Seen:[2, 1] Max Struct:[539, 9]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3250128734349289616.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12897602119880133156.kers'
[2026-05-31 03:20:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3250128734349289616.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12897602119880133156.kers]
Normalized transition count is 1124 out of 1144 initially.
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 03:20:37] [INFO ] Computed 42 invariants in 10 ms
Computed 42 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-12897602119880133156.kers
Total runtime 13 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 1] Max Struct:[539, 9]
RANDOM walk for 1000000 steps (355 resets) in 6721 ms. (148 steps per ms)
BEST_FIRST walk for 2000000 steps (144 resets) in 5817 ms. (343 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 1] Max Struct:[539, 9]
[2026-05-31 03:20:49] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16350615539107689125.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7662037152092915104.kers'
[2026-05-31 03:20:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16350615539107689125.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7662037152092915104.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 2 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 03:20:49] [INFO ] Computed 42 invariants in 17 ms
Computed 42 P flows in 18 ms.
Exported basis to /tmp/petrispot-output-7662037152092915104.kers
Total runtime 19 ms.
[2026-05-31 03:20:49] [INFO ] [Real]Absence check using 14 positive place invariants in 15 ms returned sat
[2026-05-31 03:20:49] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 52 ms returned sat
[2026-05-31 03:20:51] [INFO ] [Real]Absence check using state equation in 1746 ms returned sat
[2026-05-31 03:20:51] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:20:51] [INFO ] [Nat]Absence check using 14 positive place invariants in 9 ms returned sat
[2026-05-31 03:20:51] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 28 ms returned sat
[2026-05-31 03:20:53] [INFO ] [Nat]Absence check using state equation in 2097 ms returned sat
[2026-05-31 03:20:53] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:20:54] [INFO ] [Nat]Added 120 Read/Feed constraints in 805 ms returned sat
[2026-05-31 03:20:54] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 88 ms.
[2026-05-31 03:20:55] [INFO ] Added : 20 causal constraints over 4 iterations in 623 ms. Result :sat
Minimization took 5119 ms.
[2026-05-31 03:21:00] [INFO ] [Real]Absence check using 14 positive place invariants in 9 ms returned sat
[2026-05-31 03:21:00] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 28 ms returned sat
[2026-05-31 03:21:02] [INFO ] [Real]Absence check using state equation in 1975 ms returned sat
[2026-05-31 03:21:02] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:21:02] [INFO ] [Nat]Absence check using 14 positive place invariants in 10 ms returned sat
[2026-05-31 03:21:02] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 30 ms returned sat
[2026-05-31 03:21:08] [INFO ] [Nat]Absence check using state equation in 5599 ms returned sat
[2026-05-31 03:21:09] [INFO ] [Nat]Added 120 Read/Feed constraints in 1123 ms returned sat
[2026-05-31 03:21:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 251 ms
[2026-05-31 03:21:09] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 98 ms.
[2026-05-31 03:21:10] [INFO ] Added : 42 causal constraints over 9 iterations in 1026 ms. Result :sat
Minimization took 5118 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 1] Max Struct:[539, 9]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 1] Max Struct:[539, 9]
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 48 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 45 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 03:21:15] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:21:15] [INFO ] Invariant cache hit.
[2026-05-31 03:21:18] [INFO ] Implicit Places using invariants in 2202 ms returned []
[2026-05-31 03:21:18] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:21:18] [INFO ] Invariant cache hit.
[2026-05-31 03:21:19] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:21:43] [INFO ] Implicit Places using invariants and state equation in 25084 ms returned []
Implicit Place search using SMT with State Equation took 27290 ms to find 0 implicit places.
[2026-05-31 03:21:43] [INFO ] Redundant transitions in 36 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27388 ms. Remains : 472/472 places, 1144/1144 transitions.
[2026-05-31 03:21:43] [INFO ] Flatten gal took : 149 ms
RANDOM walk for 40000 steps (15 resets) in 1034 ms. (38 steps per ms) remains 4/4 properties
[2026-05-31 03:21:43] [INFO ] Flatten gal took : 169 ms
[2026-05-31 03:21:43] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16961718458096752179.gal : 40 ms
[2026-05-31 03:21:43] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6679098692539637813.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/ReachabilityCardinality16961718458096752179.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6679098692539637813.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
BEST_FIRST walk for 40002 steps (8 resets) in 388 ms. (102 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (12 resets) in 430 ms. (92 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 259 ms. (153 steps per ms) remains 4/4 properties
Loading property file /tmp/ReachabilityCardinality6679098692539637813.prop.
BEST_FIRST walk for 40002 steps (8 resets) in 264 ms. (150 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :12 after 14
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :14 after 16
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :16 after 17
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :17 after 28
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :28 after 38
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :38 after 270
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :270 after 1832
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :1832 after 2040
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :2040 after 4460
Interrupted probabilistic random walk after 98543 steps, run timeout after 3001 ms. (steps per millisecond=32 ) properties seen :0 out of 4
Probabilistic random walk after 98543 steps, saw 63886 distinct states, run finished after 3001 ms. (steps per millisecond=32 ) properties seen :0
[2026-05-31 03:21:47] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:21:47] [INFO ] Invariant cache hit.
[2026-05-31 03:21:47] [INFO ] State equation strengthened by 120 read => feed constraints.
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :4460 after 8266
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem MAX0 is UNSAT
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 2/19 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/19 constraints. Problems are: Problem set: 1 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/20 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/20 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/40 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/40 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/43 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/43 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :8266 after 11168
At refinement iteration 12 (OVERLAPS) 1124/1594 variables, 470/513 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 120/633 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1594 variables, 0/633 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 15 (OVERLAPS) 2/1596 variables, 2/635 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1596 variables, 1/636 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :11168 after 27974
At refinement iteration 17 (INCLUDED_ONLY) 0/1596 variables, 0/636 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 18 (OVERLAPS) 0/1596 variables, 0/636 constraints. Problems are: Problem set: 1 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1596/1596 variables, and 636 constraints, problems are : Problem set: 1 solved, 3 unsolved in 5011 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 2/19 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Problem MAX1 is UNSAT
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 7/26 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/432 variables, 0/26 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 2/434 variables, 1/27 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/434 variables, 0/27 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 33/467 variables, 20/47 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 2 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1594/1596 variables, and 520 constraints, problems are : Problem set: 2 solved, 2 unsolved in 3810 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 470/472 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 0/4 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8843ms problems are : Problem set: 2 solved, 2 unsolved
Parikh walk visited 0 properties in 258 ms.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 45 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45 ms. Remains : 472/472 places, 1144/1144 transitions.
RANDOM walk for 40000 steps (12 resets) in 705 ms. (56 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (10 resets) in 354 ms. (112 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 324 ms. (123 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 113434 steps, run timeout after 3001 ms. (steps per millisecond=37 ) properties seen :0 out of 2
Probabilistic random walk after 113434 steps, saw 73081 distinct states, run finished after 3001 ms. (steps per millisecond=37 ) properties seen :0
[2026-05-31 03:21:59] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:21:59] [INFO ] Invariant cache hit.
[2026-05-31 03:21:59] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 2/434 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/434 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 33/467 variables, 20/38 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/467 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 3/470 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/470 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,4 properties remain. new max is 32768
SDD size :27974 after 356943
At refinement iteration 11 (OVERLAPS) 1124/1594 variables, 470/511 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1594 variables, 120/631 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 0/631 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 2/1596 variables, 2/633 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1596 variables, 1/634 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1596/1596 variables, and 634 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2392 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 7/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/48 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 1124/1594 variables, 470/518 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 120/638 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1594 variables, 2/640 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1594 variables, 0/640 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 2/1596 variables, 2/642 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1596 variables, 1/643 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1596 variables, 0/643 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 0/1596 variables, 0/643 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1596/1596 variables, and 643 constraints, problems are : Problem set: 0 solved, 2 unsolved in 7573 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9990ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 829 ms.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 25 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 24 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 03:22:10] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:22:10] [INFO ] Invariant cache hit.
[2026-05-31 03:22:12] [INFO ] Implicit Places using invariants in 1703 ms returned []
[2026-05-31 03:22:12] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:22:12] [INFO ] Invariant cache hit.
SDD proceeding with computation,4 properties remain. new max is 65536
SDD size :356943 after 557338
[2026-05-31 03:22:13] [INFO ] State equation strengthened by 120 read => feed constraints.
SDD proceeding with computation,4 properties remain. new max is 131072
SDD size :557338 after 1.30022e+06
Detected timeout of ITS tools.
[2026-05-31 03:22:33] [INFO ] Flatten gal took : 46 ms
[2026-05-31 03:22:33] [INFO ] Applying decomposition
[2026-05-31 03:22:33] [INFO ] Flatten gal took : 41 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph14736422286063662953.txt' '-o' '/tmp/graph14736422286063662953.bin' '-w' '/tmp/graph14736422286063662953.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph14736422286063662953.bin' '-l' '-1' '-v' '-w' '/tmp/graph14736422286063662953.weights' '-q' '0' '-e' '0.001'
[2026-05-31 03:22:34] [INFO ] Decomposing Gal with order
[2026-05-31 03:22:34] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 03:22:34] [INFO ] Removed a total of 1076 redundant transitions.
[2026-05-31 03:22:34] [INFO ] Flatten gal took : 161 ms
[2026-05-31 03:22:34] [INFO ] Fuse similar labels procedure discarded/fused a total of 1146 labels/synchronizations in 63 ms.
[2026-05-31 03:22:34] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3688813540389876927.gal : 14 ms
[2026-05-31 03:22:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9239471886211425939.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/ReachabilityCardinality3688813540389876927.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9239471886211425939.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/ReachabilityCardinality9239471886211425939.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 13
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :13 after 18
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :18 after 23
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :23 after 33
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :33 after 38
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :38 after 165
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :165 after 270
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :270 after 1020
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1020 after 1240
[2026-05-31 03:22:36] [INFO ] Implicit Places using invariants and state equation in 24737 ms returned []
Implicit Place search using SMT with State Equation took 26441 ms to find 0 implicit places.
[2026-05-31 03:22:36] [INFO ] Redundant transitions in 22 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26496 ms. Remains : 472/472 places, 1144/1144 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 20 place count 472 transition count 1124
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -40
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 40 place count 462 transition count 1164
Drop transitions (Redundant composition of simpler transitions.) removed 40 transitions
Redundant transition composition rules discarded 40 transitions
Iterating global reduction 1 with 40 rules applied. Total rules applied 80 place count 462 transition count 1124
Free-agglomeration rule applied 10 times.
Iterating global reduction 1 with 10 rules applied. Total rules applied 90 place count 462 transition count 1114
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 100 place count 452 transition count 1114
Free-agglomeration rule (complex) applied 10 times.
Iterating global reduction 2 with 10 rules applied. Total rules applied 110 place count 452 transition count 1104
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 120 place count 442 transition count 1104
Applied a total of 120 rules in 133 ms. Remains 442 /472 variables (removed 30) and now considering 1104/1144 (removed 40) transitions.
Running SMT prover for 2 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9475929099523670071.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12716731650866182619.kers'
[2026-05-31 03:22:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9475929099523670071.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12716731650866182619.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1104 rows 437 cols 5312 entries
Finished phase 1 with 210 SingleSign rule and 190 generalized
[2026-05-31 03:22:37] [INFO ] Computed 42 invariants in 14 ms
Computed 42 P flows in 15 ms.
Exported basis to /tmp/petrispot-output-12716731650866182619.kers
Total runtime 16 ms.
[2026-05-31 03:22:37] [INFO ] [Real]Absence check using 17 positive place invariants in 16 ms returned sat
[2026-05-31 03:22:37] [INFO ] [Real]Absence check using 17 positive and 25 generalized place invariants in 27 ms returned sat
[2026-05-31 03:22:37] [INFO ] After 164ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-31 03:22:37] [INFO ] [Nat]Absence check using 17 positive place invariants in 18 ms returned sat
[2026-05-31 03:22:37] [INFO ] [Nat]Absence check using 17 positive and 25 generalized place invariants in 29 ms returned sat
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1240 after 2526
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :2526 after 3692
[2026-05-31 03:22:41] [INFO ] After 3943ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-31 03:22:42] [INFO ] After 4855ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :3692 after 6619
[2026-05-31 03:22:44] [INFO ] After 7404ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-31 03:22:44] [INFO ] Flatten gal took : 40 ms
[2026-05-31 03:22:44] [INFO ] Flatten gal took : 38 ms
[2026-05-31 03:22:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5449741808746730268.gal : 10 ms
[2026-05-31 03:22:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9750371279875720308.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/ReachabilityCardinality5449741808746730268.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9750371279875720308.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/ReachabilityCardinality9750371279875720308.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :9 after 11
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :11 after 12
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :12 after 13
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :13 after 18
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :18 after 103
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :103 after 262
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :262 after 3627
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :3627 after 6557
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :6557 after 13945
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :13945 after 16275
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :16275 after 24239
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :6619 after 13792
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :24239 after 59431
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :59431 after 203795
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :13792 after 29248
Detected timeout of ITS tools.
[2026-05-31 03:22:59] [INFO ] Flatten gal took : 37 ms
[2026-05-31 03:22:59] [INFO ] Applying decomposition
[2026-05-31 03:22:59] [INFO ] Flatten gal took : 34 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph15634596040168769731.txt' '-o' '/tmp/graph15634596040168769731.bin' '-w' '/tmp/graph15634596040168769731.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph15634596040168769731.bin' '-l' '-1' '-v' '-w' '/tmp/graph15634596040168769731.weights' '-q' '0' '-e' '0.001'
[2026-05-31 03:23:00] [INFO ] Decomposing Gal with order
[2026-05-31 03:23:00] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 03:23:00] [INFO ] Removed a total of 1049 redundant transitions.
[2026-05-31 03:23:00] [INFO ] Flatten gal took : 155 ms
[2026-05-31 03:23:00] [INFO ] Fuse similar labels procedure discarded/fused a total of 958 labels/synchronizations in 47 ms.
[2026-05-31 03:23:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14203006637144602465.gal : 14 ms
[2026-05-31 03:23:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4440843330861923919.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/ReachabilityCardinality14203006637144602465.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4440843330861923919.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/ReachabilityCardinality4440843330861923919.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :9 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 12
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :12 after 13
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :13 after 28
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :28 after 31
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :31 after 116
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :116 after 857
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :857 after 1401
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1401 after 2608
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :2608 after 19314
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :19314 after 41496
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :29248 after 165384
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :41496 after 200802
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 38626 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (after reachability check) : Max Seen:[2, 1] Max Struct:[538, 8]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18214953164363769223.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17192270238439299045.kers'
[2026-05-31 03:23:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18214953164363769223.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17192270238439299045.kers]
Normalized transition count is 1124 out of 1144 initially.
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 03:23:15] [INFO ] Computed 42 invariants in 10 ms
Computed 42 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-17192270238439299045.kers
Total runtime 12 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 1] Max Struct:[538, 8]
RANDOM walk for 1000000 steps (337 resets) in 7088 ms. (141 steps per ms)
BEST_FIRST walk for 2000001 steps (171 resets) in 5787 ms. (345 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 1] Max Struct:[538, 8]
[2026-05-31 03:23:28] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11639240189119134070.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14212057690571307611.kers'
[2026-05-31 03:23:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11639240189119134070.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14212057690571307611.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 03:23:28] [INFO ] Computed 42 invariants in 10 ms
Computed 42 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-14212057690571307611.kers
Total runtime 14 ms.
[2026-05-31 03:23:28] [INFO ] [Real]Absence check using 14 positive place invariants in 10 ms returned sat
[2026-05-31 03:23:28] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 34 ms returned sat
[2026-05-31 03:23:30] [INFO ] [Real]Absence check using state equation in 1582 ms returned sat
[2026-05-31 03:23:30] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:23:30] [INFO ] [Nat]Absence check using 14 positive place invariants in 10 ms returned sat
[2026-05-31 03:23:30] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 29 ms returned sat
[2026-05-31 03:23:32] [INFO ] [Nat]Absence check using state equation in 1825 ms returned sat
[2026-05-31 03:23:32] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:23:33] [INFO ] [Nat]Added 120 Read/Feed constraints in 803 ms returned sat
[2026-05-31 03:23:33] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 88 ms.
[2026-05-31 03:23:33] [INFO ] Added : 20 causal constraints over 4 iterations in 793 ms. Result :sat
Minimization took 5616 ms.
[2026-05-31 03:23:39] [INFO ] [Real]Absence check using 14 positive place invariants in 15 ms returned sat
[2026-05-31 03:23:39] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 44 ms returned sat
[2026-05-31 03:23:41] [INFO ] [Real]Absence check using state equation in 1752 ms returned sat
[2026-05-31 03:23:41] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:23:41] [INFO ] [Nat]Absence check using 14 positive place invariants in 15 ms returned sat
[2026-05-31 03:23:41] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 44 ms returned sat
[2026-05-31 03:23:47] [INFO ] [Nat]Absence check using state equation in 5972 ms returned sat
[2026-05-31 03:23:48] [INFO ] [Nat]Added 120 Read/Feed constraints in 1108 ms returned sat
[2026-05-31 03:23:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 271 ms
[2026-05-31 03:23:49] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 131 ms.
[2026-05-31 03:23:50] [INFO ] Added : 42 causal constraints over 9 iterations in 1201 ms. Result :sat
Minimization took 5060 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 1] Max Struct:[538, 8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 1] Max Struct:[538, 8]
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 38 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 37 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 03:23:55] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:23:55] [INFO ] Invariant cache hit.
[2026-05-31 03:23:57] [INFO ] Implicit Places using invariants in 1822 ms returned []
[2026-05-31 03:23:57] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:23:57] [INFO ] Invariant cache hit.
[2026-05-31 03:23:58] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:24:23] [INFO ] Implicit Places using invariants and state equation in 25746 ms returned []
Implicit Place search using SMT with State Equation took 27578 ms to find 0 implicit places.
[2026-05-31 03:24:23] [INFO ] Redundant transitions in 36 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27665 ms. Remains : 472/472 places, 1144/1144 transitions.
[2026-05-31 03:24:23] [INFO ] Flatten gal took : 64 ms
[2026-05-31 03:24:23] [INFO ] Flatten gal took : 72 ms
[2026-05-31 03:24:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11223035089707486517.gal : 19 ms
[2026-05-31 03:24:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16126510738768245789.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/ReachabilityCardinality11223035089707486517.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16126510738768245789.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
RANDOM walk for 40000 steps (21 resets) in 564 ms. (70 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40001 steps (8 resets) in 312 ms. (127 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (9 resets) in 275 ms. (144 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 207 ms. (192 steps per ms) remains 4/4 properties
Loading property file /tmp/ReachabilityCardinality16126510738768245789.prop.
BEST_FIRST walk for 40003 steps (9 resets) in 308 ms. (129 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :12 after 14
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :14 after 16
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :16 after 17
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :17 after 28
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :28 after 38
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :38 after 270
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :270 after 1832
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :1832 after 2040
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :2040 after 4460
Interrupted probabilistic random walk after 94144 steps, run timeout after 3001 ms. (steps per millisecond=31 ) properties seen :0 out of 4
Probabilistic random walk after 94144 steps, saw 61117 distinct states, run finished after 3001 ms. (steps per millisecond=31 ) properties seen :0
[2026-05-31 03:24:26] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:24:26] [INFO ] Invariant cache hit.
[2026-05-31 03:24:26] [INFO ] State equation strengthened by 120 read => feed constraints.
SDD proceeding with computation,4 properties remain. new max is 4096
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD size :4460 after 8266
Problem MAX0 is UNSAT
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Problem MAX1 is UNSAT
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 6/23 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/23 constraints. Problems are: Problem set: 2 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/24 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/24 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/44 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 3/47 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 2 solved, 2 unsolved
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :8266 after 11168
At refinement iteration 13 (OVERLAPS) 1124/1594 variables, 470/520 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1594 variables, 120/640 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1594 variables, 0/640 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 2/1596 variables, 2/642 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1596 variables, 1/643 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1596 variables, 0/643 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 0/1596 variables, 0/643 constraints. Problems are: Problem set: 2 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1596/1596 variables, and 643 constraints, problems are : Problem set: 2 solved, 2 unsolved in 4132 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 7/24 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/24 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/25 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/25 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/45 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 2/47 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 2 solved, 2 unsolved
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :11168 after 27974
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1594/1596 variables, and 520 constraints, problems are : Problem set: 2 solved, 2 unsolved in 2431 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 470/472 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 0/4 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6585ms problems are : Problem set: 2 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 499 ms.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 24 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25 ms. Remains : 472/472 places, 1144/1144 transitions.
RANDOM walk for 40000 steps (16 resets) in 542 ms. (73 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (11 resets) in 271 ms. (147 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (9 resets) in 272 ms. (146 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 115293 steps, run timeout after 3001 ms. (steps per millisecond=38 ) properties seen :0 out of 2
Probabilistic random walk after 115293 steps, saw 74251 distinct states, run finished after 3001 ms. (steps per millisecond=38 ) properties seen :0
[2026-05-31 03:24:37] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:24:37] [INFO ] Invariant cache hit.
[2026-05-31 03:24:37] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 2/434 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/434 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 33/467 variables, 20/38 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/467 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 3/470 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/470 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 1124/1594 variables, 470/511 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1594 variables, 120/631 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 0/631 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 2/1596 variables, 2/633 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1596 variables, 1/634 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1596/1596 variables, and 634 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2180 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,4 properties remain. new max is 32768
SDD size :27974 after 356943
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 7/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/48 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 1124/1594 variables, 470/518 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 120/638 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1594 variables, 2/640 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1594 variables, 0/640 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 2/1596 variables, 2/642 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1596 variables, 1/643 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1596 variables, 0/643 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 0/1596 variables, 0/643 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1596/1596 variables, and 643 constraints, problems are : Problem set: 0 solved, 2 unsolved in 7896 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10088ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 672 ms.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 25 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 25 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 03:24:48] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:24:48] [INFO ] Invariant cache hit.
[2026-05-31 03:24:49] [INFO ] Implicit Places using invariants in 1709 ms returned []
[2026-05-31 03:24:49] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:24:49] [INFO ] Invariant cache hit.
[2026-05-31 03:24:51] [INFO ] State equation strengthened by 120 read => feed constraints.
SDD proceeding with computation,4 properties remain. new max is 65536
SDD size :356943 after 557338
Detected timeout of ITS tools.
[2026-05-31 03:25:13] [INFO ] Flatten gal took : 43 ms
[2026-05-31 03:25:13] [INFO ] Applying decomposition
[2026-05-31 03:25:13] [INFO ] Flatten gal took : 43 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph14243853078914698291.txt' '-o' '/tmp/graph14243853078914698291.bin' '-w' '/tmp/graph14243853078914698291.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph14243853078914698291.bin' '-l' '-1' '-v' '-w' '/tmp/graph14243853078914698291.weights' '-q' '0' '-e' '0.001'
[2026-05-31 03:25:13] [INFO ] Decomposing Gal with order
[2026-05-31 03:25:13] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 03:25:13] [INFO ] Removed a total of 890 redundant transitions.
[2026-05-31 03:25:13] [INFO ] Flatten gal took : 140 ms
[2026-05-31 03:25:13] [INFO ] Implicit Places using invariants and state equation in 24086 ms returned []
Implicit Place search using SMT with State Equation took 25802 ms to find 0 implicit places.
[2026-05-31 03:25:13] [INFO ] Redundant transitions in 23 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25863 ms. Remains : 472/472 places, 1144/1144 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 20 place count 472 transition count 1124
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -40
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 40 place count 462 transition count 1164
Drop transitions (Redundant composition of simpler transitions.) removed 40 transitions
Redundant transition composition rules discarded 40 transitions
Iterating global reduction 1 with 40 rules applied. Total rules applied 80 place count 462 transition count 1124
Free-agglomeration rule applied 10 times.
Iterating global reduction 1 with 10 rules applied. Total rules applied 90 place count 462 transition count 1114
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 100 place count 452 transition count 1114
[2026-05-31 03:25:13] [INFO ] Fuse similar labels procedure discarded/fused a total of 1046 labels/synchronizations in 72 ms.
Free-agglomeration rule (complex) applied 10 times.
Iterating global reduction 2 with 10 rules applied. Total rules applied 110 place count 452 transition count 1104
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 120 place count 442 transition count 1104
Applied a total of 120 rules in 107 ms. Remains 442 /472 variables (removed 30) and now considering 1104/1144 (removed 40) transitions.
Running SMT prover for 2 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2216903715313575433.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10091899092750219671.kers'
[2026-05-31 03:25:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2216903715313575433.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10091899092750219671.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1104 rows 437 cols 5312 entries
Finished phase 1 with 210 SingleSign rule and 190 generalized
[2026-05-31 03:25:13] [INFO ] Computed 42 invariants in 16 ms
Computed 42 P flows in 16 ms.
Exported basis to /tmp/petrispot-output-10091899092750219671.kers
Total runtime 17 ms.
[2026-05-31 03:25:14] [INFO ] [Real]Absence check using 17 positive place invariants in 20 ms returned sat
[2026-05-31 03:25:14] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14951480096235249002.gal : 12 ms
[2026-05-31 03:25:14] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12599469003232916109.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/ReachabilityCardinality14951480096235249002.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12599469003232916109.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
[2026-05-31 03:25:14] [INFO ] [Real]Absence check using 17 positive and 25 generalized place invariants in 41 ms returned sat
[2026-05-31 03:25:14] [INFO ] After 182ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-31 03:25:14] [INFO ] [Nat]Absence check using 17 positive place invariants in 15 ms returned sat
[2026-05-31 03:25:14] [INFO ] [Nat]Absence check using 17 positive and 25 generalized place invariants in 27 ms returned sat
Loading property file /tmp/ReachabilityCardinality12599469003232916109.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 13
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :13 after 18
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :18 after 50
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :50 after 76
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :76 after 130
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :130 after 996
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :996 after 1022
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1022 after 1080
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1080 after 1231
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1231 after 1284
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1284 after 1356
[2026-05-31 03:25:17] [INFO ] After 3625ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-31 03:25:18] [INFO ] After 4509ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :1356 after 2588
[2026-05-31 03:25:21] [INFO ] After 7020ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-31 03:25:21] [INFO ] Flatten gal took : 32 ms
[2026-05-31 03:25:21] [INFO ] Flatten gal took : 33 ms
[2026-05-31 03:25:21] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10992295385308736559.gal : 10 ms
[2026-05-31 03:25:21] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11722082166114994590.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/ReachabilityCardinality10992295385308736559.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11722082166114994590.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/ReachabilityCardinality11722082166114994590.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :9 after 11
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :11 after 12
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :12 after 13
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :13 after 18
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :18 after 103
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :103 after 262
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :262 after 3627
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :3627 after 6557
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :6557 after 13945
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :13945 after 16275
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :16275 after 24239
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :2588 after 3356
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :24239 after 59431
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :59431 after 203795
Detected timeout of ITS tools.
[2026-05-31 03:25:36] [INFO ] Flatten gal took : 35 ms
[2026-05-31 03:25:36] [INFO ] Applying decomposition
[2026-05-31 03:25:36] [INFO ] Flatten gal took : 35 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph7681091494878867100.txt' '-o' '/tmp/graph7681091494878867100.bin' '-w' '/tmp/graph7681091494878867100.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph7681091494878867100.bin' '-l' '-1' '-v' '-w' '/tmp/graph7681091494878867100.weights' '-q' '0' '-e' '0.001'
[2026-05-31 03:25:36] [INFO ] Decomposing Gal with order
[2026-05-31 03:25:36] [INFO ] Rewriting arrays to variables to allow decomposition.
SDD proceeding with computation,2 properties remain. new max is 32768
[2026-05-31 03:25:36] [INFO ] Removed a total of 1203 redundant transitions.
[2026-05-31 03:25:36] [INFO ] Flatten gal took : 135 ms
SDD size :3356 after 16430
[2026-05-31 03:25:36] [INFO ] Fuse similar labels procedure discarded/fused a total of 902 labels/synchronizations in 26 ms.
[2026-05-31 03:25:36] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1206625417654188125.gal : 10 ms
[2026-05-31 03:25:36] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6092612177802485291.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/ReachabilityCardinality1206625417654188125.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6092612177802485291.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/ReachabilityCardinality6092612177802485291.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :4 after 17
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :17 after 47
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :47 after 89
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :89 after 127
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :227 after 319
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :319 after 574
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :574 after 979
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :979 after 1815
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1815 after 5941
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :5941 after 10474
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :10474 after 18219
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :16430 after 28042
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 38047 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (after reachability check) : Max Seen:[2, 1] Max Struct:[537, 7]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16037164597968797359.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8248597930346664639.kers'
[2026-05-31 03:25:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16037164597968797359.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8248597930346664639.kers]
Normalized transition count is 1124 out of 1144 initially.
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 03:25:51] [INFO ] Computed 42 invariants in 10 ms
Computed 42 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-8248597930346664639.kers
Total runtime 14 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 1] Max Struct:[537, 7]
RANDOM walk for 1000000 steps (335 resets) in 6549 ms. (152 steps per ms)
BEST_FIRST walk for 2000002 steps (124 resets) in 5730 ms. (348 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 1] Max Struct:[537, 7]
[2026-05-31 03:26:04] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-210497707477526539.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1481486450768159356.kers'
[2026-05-31 03:26:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-210497707477526539.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1481486450768159356.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 03:26:04] [INFO ] Computed 42 invariants in 10 ms
Computed 42 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-1481486450768159356.kers
Total runtime 13 ms.
[2026-05-31 03:26:04] [INFO ] [Real]Absence check using 14 positive place invariants in 10 ms returned sat
[2026-05-31 03:26:04] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 33 ms returned sat
[2026-05-31 03:26:06] [INFO ] [Real]Absence check using state equation in 1604 ms returned sat
[2026-05-31 03:26:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:26:06] [INFO ] [Nat]Absence check using 14 positive place invariants in 12 ms returned sat
[2026-05-31 03:26:06] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 33 ms returned sat
[2026-05-31 03:26:08] [INFO ] [Nat]Absence check using state equation in 1913 ms returned sat
[2026-05-31 03:26:08] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:26:08] [INFO ] [Nat]Added 120 Read/Feed constraints in 599 ms returned sat
[2026-05-31 03:26:08] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 88 ms.
[2026-05-31 03:26:09] [INFO ] Added : 20 causal constraints over 4 iterations in 613 ms. Result :sat
Minimization took 5629 ms.
[2026-05-31 03:26:15] [INFO ] [Real]Absence check using 14 positive place invariants in 10 ms returned sat
[2026-05-31 03:26:15] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 28 ms returned sat
[2026-05-31 03:26:16] [INFO ] [Real]Absence check using state equation in 1684 ms returned sat
[2026-05-31 03:26:16] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:26:17] [INFO ] [Nat]Absence check using 14 positive place invariants in 11 ms returned sat
[2026-05-31 03:26:17] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 31 ms returned sat
[2026-05-31 03:26:22] [INFO ] [Nat]Absence check using state equation in 5904 ms returned sat
[2026-05-31 03:26:24] [INFO ] [Nat]Added 120 Read/Feed constraints in 1101 ms returned sat
[2026-05-31 03:26:24] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 235 ms
[2026-05-31 03:26:24] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 101 ms.
[2026-05-31 03:26:25] [INFO ] Added : 42 causal constraints over 9 iterations in 1375 ms. Result :sat
Minimization took 5512 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 1] Max Struct:[537, 7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 1] Max Struct:[537, 7]
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 24 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 26 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 03:26:31] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:26:31] [INFO ] Invariant cache hit.
[2026-05-31 03:26:32] [INFO ] Implicit Places using invariants in 1527 ms returned []
[2026-05-31 03:26:32] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:26:32] [INFO ] Invariant cache hit.
[2026-05-31 03:26:34] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:26:57] [INFO ] Implicit Places using invariants and state equation in 25031 ms returned []
Implicit Place search using SMT with State Equation took 26571 ms to find 0 implicit places.
[2026-05-31 03:26:57] [INFO ] Redundant transitions in 37 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26651 ms. Remains : 472/472 places, 1144/1144 transitions.
[2026-05-31 03:26:57] [INFO ] Flatten gal took : 38 ms
[2026-05-31 03:26:58] [INFO ] Flatten gal took : 56 ms
[2026-05-31 03:26:58] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18119951705519768729.gal : 8 ms
[2026-05-31 03:26:58] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2882647799475502459.prop : 3 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/ReachabilityCardinality18119951705519768729.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2882647799475502459.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
RANDOM walk for 40000 steps (17 resets) in 678 ms. (58 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (9 resets) in 284 ms. (140 steps per ms) remains 4/4 properties
Loading property file /tmp/ReachabilityCardinality2882647799475502459.prop.
BEST_FIRST walk for 40003 steps (10 resets) in 357 ms. (111 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (8 resets) in 277 ms. (143 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40001 steps (8 resets) in 266 ms. (149 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :12 after 14
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :14 after 16
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :16 after 17
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :17 after 28
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :28 after 38
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :38 after 270
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :270 after 1832
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :1832 after 2040
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :2040 after 4460
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :4460 after 8266
Interrupted probabilistic random walk after 106714 steps, run timeout after 3001 ms. (steps per millisecond=35 ) properties seen :0 out of 4
Probabilistic random walk after 106714 steps, saw 68900 distinct states, run finished after 3001 ms. (steps per millisecond=35 ) properties seen :0
[2026-05-31 03:27:01] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:27:01] [INFO ] Invariant cache hit.
[2026-05-31 03:27:01] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem MAX0 is UNSAT
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 4/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/42 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :8266 after 11168
Problem MAX1 is UNSAT
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 5/47 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 1124/1594 variables, 470/520 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1594 variables, 120/640 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1594 variables, 0/640 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 2/1596 variables, 2/642 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1596 variables, 1/643 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1596 variables, 0/643 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 0/1596 variables, 0/643 constraints. Problems are: Problem set: 2 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1596/1596 variables, and 643 constraints, problems are : Problem set: 2 solved, 2 unsolved in 4020 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 7/24 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/24 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/25 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/25 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/45 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 2/47 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 2 solved, 2 unsolved
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :11168 after 27974
At refinement iteration 12 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 2 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1594/1596 variables, and 520 constraints, problems are : Problem set: 2 solved, 2 unsolved in 2521 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 470/472 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 0/4 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6561ms problems are : Problem set: 2 solved, 2 unsolved
Parikh walk visited 0 properties in 314 ms.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 23 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24 ms. Remains : 472/472 places, 1144/1144 transitions.
RANDOM walk for 40000 steps (9 resets) in 438 ms. (91 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40000 steps (10 resets) in 265 ms. (150 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (10 resets) in 239 ms. (166 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 116692 steps, run timeout after 3001 ms. (steps per millisecond=38 ) properties seen :0 out of 2
Probabilistic random walk after 116692 steps, saw 75119 distinct states, run finished after 3002 ms. (steps per millisecond=38 ) properties seen :0
[2026-05-31 03:27:11] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:27:11] [INFO ] Invariant cache hit.
[2026-05-31 03:27:11] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 2/434 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/434 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 33/467 variables, 20/38 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/467 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 3/470 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/470 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 1124/1594 variables, 470/511 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1594 variables, 120/631 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 0/631 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 2/1596 variables, 2/633 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1596 variables, 1/634 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1596/1596 variables, and 634 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1803 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,4 properties remain. new max is 32768
SDD size :27974 after 356943
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 7/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/48 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 1124/1594 variables, 470/518 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 120/638 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1594 variables, 2/640 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1594 variables, 0/640 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 2/1596 variables, 2/642 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1596 variables, 1/643 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1596 variables, 0/643 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 0/1596 variables, 0/643 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1596/1596 variables, and 643 constraints, problems are : Problem set: 0 solved, 2 unsolved in 6962 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8793ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 471 ms.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 22 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 22 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 03:27:21] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:27:21] [INFO ] Invariant cache hit.
[2026-05-31 03:27:22] [INFO ] Implicit Places using invariants in 1577 ms returned []
[2026-05-31 03:27:22] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:27:22] [INFO ] Invariant cache hit.
[2026-05-31 03:27:24] [INFO ] State equation strengthened by 120 read => feed constraints.
SDD proceeding with computation,4 properties remain. new max is 65536
SDD size :356943 after 557338
[2026-05-31 03:27:47] [INFO ] Implicit Places using invariants and state equation in 24832 ms returned []
Implicit Place search using SMT with State Equation took 26416 ms to find 0 implicit places.
[2026-05-31 03:27:47] [INFO ] Redundant transitions in 21 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26467 ms. Remains : 472/472 places, 1144/1144 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 20 place count 472 transition count 1124
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -40
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 40 place count 462 transition count 1164
Drop transitions (Redundant composition of simpler transitions.) removed 40 transitions
Redundant transition composition rules discarded 40 transitions
Iterating global reduction 1 with 40 rules applied. Total rules applied 80 place count 462 transition count 1124
Free-agglomeration rule applied 10 times.
Iterating global reduction 1 with 10 rules applied. Total rules applied 90 place count 462 transition count 1114
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 100 place count 452 transition count 1114
Free-agglomeration rule (complex) applied 10 times.
Iterating global reduction 2 with 10 rules applied. Total rules applied 110 place count 452 transition count 1104
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 120 place count 442 transition count 1104
Applied a total of 120 rules in 94 ms. Remains 442 /472 variables (removed 30) and now considering 1104/1144 (removed 40) transitions.
Running SMT prover for 2 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13507993152419306361.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10287838419084659557.kers'
[2026-05-31 03:27:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13507993152419306361.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10287838419084659557.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1104 rows 437 cols 5312 entries
Finished phase 1 with 210 SingleSign rule and 190 generalized
[2026-05-31 03:27:47] [INFO ] Computed 42 invariants in 9 ms
Computed 42 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-10287838419084659557.kers
Total runtime 11 ms.
[2026-05-31 03:27:47] [INFO ] [Real]Absence check using 17 positive place invariants in 16 ms returned sat
[2026-05-31 03:27:47] [INFO ] [Real]Absence check using 17 positive and 25 generalized place invariants in 28 ms returned sat
[2026-05-31 03:27:47] [INFO ] After 164ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-31 03:27:47] [INFO ] [Nat]Absence check using 17 positive place invariants in 19 ms returned sat
[2026-05-31 03:27:47] [INFO ] [Nat]Absence check using 17 positive and 25 generalized place invariants in 32 ms returned sat
Detected timeout of ITS tools.
[2026-05-31 03:27:48] [INFO ] Flatten gal took : 38 ms
[2026-05-31 03:27:48] [INFO ] Applying decomposition
[2026-05-31 03:27:48] [INFO ] Flatten gal took : 39 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph10310918941236564907.txt' '-o' '/tmp/graph10310918941236564907.bin' '-w' '/tmp/graph10310918941236564907.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph10310918941236564907.bin' '-l' '-1' '-v' '-w' '/tmp/graph10310918941236564907.weights' '-q' '0' '-e' '0.001'
[2026-05-31 03:27:48] [INFO ] Decomposing Gal with order
[2026-05-31 03:27:48] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 03:27:48] [INFO ] Removed a total of 1001 redundant transitions.
[2026-05-31 03:27:48] [INFO ] Flatten gal took : 124 ms
[2026-05-31 03:27:48] [INFO ] Fuse similar labels procedure discarded/fused a total of 829 labels/synchronizations in 25 ms.
[2026-05-31 03:27:48] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12762280064183081725.gal : 11 ms
[2026-05-31 03:27:48] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12097286485804648439.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/ReachabilityCardinality12762280064183081725.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12097286485804648439.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/ReachabilityCardinality12097286485804648439.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :9 after 19
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :19 after 34
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :34 after 44
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :44 after 64
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :64 after 104
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :104 after 393
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :393 after 5963
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :5963 after 17000
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :17000 after 27642
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :27642 after 34324
[2026-05-31 03:27:51] [INFO ] After 3946ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-31 03:27:52] [INFO ] After 4865ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :36972 after 39314
[2026-05-31 03:27:55] [INFO ] After 7432ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-31 03:27:55] [INFO ] Flatten gal took : 43 ms
[2026-05-31 03:27:55] [INFO ] Flatten gal took : 39 ms
[2026-05-31 03:27:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3379643929253959377.gal : 8 ms
[2026-05-31 03:27:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10122657622168901856.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/ReachabilityCardinality3379643929253959377.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10122657622168901856.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/ReachabilityCardinality10122657622168901856.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :9 after 11
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :11 after 12
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :12 after 13
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :13 after 18
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :18 after 103
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :103 after 262
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :262 after 3627
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :3627 after 6557
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :6557 after 13945
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :13945 after 16275
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :16275 after 24239
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :39314 after 388202
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :24239 after 59431
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :59431 after 203795
Detected timeout of ITS tools.
[2026-05-31 03:28:10] [INFO ] Flatten gal took : 37 ms
[2026-05-31 03:28:10] [INFO ] Applying decomposition
[2026-05-31 03:28:10] [INFO ] Flatten gal took : 36 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph16401709568601803751.txt' '-o' '/tmp/graph16401709568601803751.bin' '-w' '/tmp/graph16401709568601803751.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph16401709568601803751.bin' '-l' '-1' '-v' '-w' '/tmp/graph16401709568601803751.weights' '-q' '0' '-e' '0.001'
[2026-05-31 03:28:10] [INFO ] Decomposing Gal with order
[2026-05-31 03:28:10] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 03:28:10] [INFO ] Removed a total of 1267 redundant transitions.
[2026-05-31 03:28:10] [INFO ] Flatten gal took : 129 ms
[2026-05-31 03:28:10] [INFO ] Fuse similar labels procedure discarded/fused a total of 969 labels/synchronizations in 28 ms.
[2026-05-31 03:28:10] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6033373412037027267.gal : 10 ms
[2026-05-31 03:28:10] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2371780923765796129.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/ReachabilityCardinality6033373412037027267.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2371780923765796129.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/ReachabilityCardinality2371780923765796129.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :9 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 12
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :12 after 13
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :13 after 18
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :18 after 31
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :31 after 120
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :120 after 779
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :779 after 941
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :388202 after 981388
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :941 after 2723
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :2723 after 20022
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :20022 after 69777
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :69777 after 286158
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 38418 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (after reachability check) : Max Seen:[2, 1] Max Struct:[536, 6]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15676168521828673377.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3179687010889526840.kers'
[2026-05-31 03:28:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15676168521828673377.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3179687010889526840.kers]
Normalized transition count is 1124 out of 1144 initially.
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 03:28:26] [INFO ] Computed 42 invariants in 11 ms
Computed 42 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-3179687010889526840.kers
Total runtime 13 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 1] Max Struct:[536, 6]
RANDOM walk for 1000000 steps (333 resets) in 6754 ms. (148 steps per ms)
BEST_FIRST walk for 2000001 steps (150 resets) in 5755 ms. (347 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 1] Max Struct:[536, 6]
[2026-05-31 03:28:38] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3439223515297610198.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3251793008150411853.kers'
[2026-05-31 03:28:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3439223515297610198.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3251793008150411853.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 2 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 03:28:38] [INFO ] Computed 42 invariants in 17 ms
Computed 42 P flows in 17 ms.
Exported basis to /tmp/petrispot-output-3251793008150411853.kers
Total runtime 19 ms.
[2026-05-31 03:28:38] [INFO ] [Real]Absence check using 14 positive place invariants in 15 ms returned sat
[2026-05-31 03:28:38] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 50 ms returned sat
[2026-05-31 03:28:40] [INFO ] [Real]Absence check using state equation in 1780 ms returned sat
[2026-05-31 03:28:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:28:40] [INFO ] [Nat]Absence check using 14 positive place invariants in 10 ms returned sat
[2026-05-31 03:28:40] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 29 ms returned sat
[2026-05-31 03:28:42] [INFO ] [Nat]Absence check using state equation in 1837 ms returned sat
[2026-05-31 03:28:42] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:28:43] [INFO ] [Nat]Added 120 Read/Feed constraints in 599 ms returned sat
[2026-05-31 03:28:43] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 83 ms.
[2026-05-31 03:28:43] [INFO ] Added : 20 causal constraints over 4 iterations in 711 ms. Result :sat
Minimization took 5388 ms.
[2026-05-31 03:28:49] [INFO ] [Real]Absence check using 14 positive place invariants in 11 ms returned sat
[2026-05-31 03:28:49] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 32 ms returned sat
[2026-05-31 03:28:51] [INFO ] [Real]Absence check using state equation in 1767 ms returned sat
[2026-05-31 03:28:51] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:28:51] [INFO ] [Nat]Absence check using 14 positive place invariants in 10 ms returned sat
[2026-05-31 03:28:51] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 26 ms returned sat
[2026-05-31 03:28:56] [INFO ] [Nat]Absence check using state equation in 5490 ms returned sat
[2026-05-31 03:28:58] [INFO ] [Nat]Added 120 Read/Feed constraints in 1129 ms returned sat
[2026-05-31 03:28:58] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 279 ms
[2026-05-31 03:28:58] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 115 ms.
[2026-05-31 03:28:59] [INFO ] Added : 42 causal constraints over 9 iterations in 1064 ms. Result :sat
Minimization took 5334 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 1] Max Struct:[536, 6]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 1] Max Struct:[536, 6]
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 36 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 33 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 03:29:04] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:29:04] [INFO ] Invariant cache hit.
[2026-05-31 03:29:06] [INFO ] Implicit Places using invariants in 2007 ms returned []
[2026-05-31 03:29:06] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:29:06] [INFO ] Invariant cache hit.
[2026-05-31 03:29:08] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:29:31] [INFO ] Implicit Places using invariants and state equation in 24857 ms returned []
Implicit Place search using SMT with State Equation took 26877 ms to find 0 implicit places.
[2026-05-31 03:29:31] [INFO ] Redundant transitions in 21 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26945 ms. Remains : 472/472 places, 1144/1144 transitions.
[2026-05-31 03:29:31] [INFO ] Flatten gal took : 101 ms
[2026-05-31 03:29:31] [INFO ] Flatten gal took : 88 ms
[2026-05-31 03:29:31] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12436202006626821607.gal : 12 ms
[2026-05-31 03:29:31] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4814230484503232486.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/ReachabilityCardinality12436202006626821607.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4814230484503232486.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
RANDOM walk for 40000 steps (16 resets) in 863 ms. (46 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40001 steps (11 resets) in 358 ms. (111 steps per ms) remains 4/4 properties
Loading property file /tmp/ReachabilityCardinality4814230484503232486.prop.
BEST_FIRST walk for 40003 steps (10 resets) in 474 ms. (84 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (8 resets) in 242 ms. (164 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 241 ms. (165 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :12 after 14
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :14 after 16
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :16 after 17
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :17 after 28
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :28 after 38
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :38 after 270
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :270 after 1832
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :1832 after 2040
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :2040 after 4460
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :4460 after 8266
Interrupted probabilistic random walk after 99904 steps, run timeout after 3001 ms. (steps per millisecond=33 ) properties seen :0 out of 4
Probabilistic random walk after 99904 steps, saw 64714 distinct states, run finished after 3001 ms. (steps per millisecond=33 ) properties seen :0
[2026-05-31 03:29:35] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:29:35] [INFO ] Invariant cache hit.
[2026-05-31 03:29:35] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem MAX0 is UNSAT
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 4/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/42 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/42 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/45 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/45 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :8266 after 11168
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1594/1596 variables, and 515 constraints, problems are : Problem set: 1 solved, 3 unsolved in 3374 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 470/472 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 4/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Problem MAX1 is UNSAT
SDD proceeding with computation,4 properties remain. new max is 16384
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 5/26 constraints. Problems are: Problem set: 2 solved, 2 unsolved
SDD size :11168 after 27974
At refinement iteration 6 (INCLUDED_ONLY) 0/432 variables, 0/26 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 2/434 variables, 1/27 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/434 variables, 0/27 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 33/467 variables, 20/47 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 2 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1594/1596 variables, and 520 constraints, problems are : Problem set: 2 solved, 2 unsolved in 3755 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 470/472 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 0/4 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7154ms problems are : Problem set: 2 solved, 2 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 21 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 472/472 places, 1144/1144 transitions.
RANDOM walk for 40000 steps (12 resets) in 542 ms. (73 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (11 resets) in 265 ms. (150 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 240 ms. (165 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 118587 steps, run timeout after 3001 ms. (steps per millisecond=39 ) properties seen :0 out of 2
Probabilistic random walk after 118587 steps, saw 76293 distinct states, run finished after 3002 ms. (steps per millisecond=39 ) properties seen :0
[2026-05-31 03:29:46] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:29:46] [INFO ] Invariant cache hit.
[2026-05-31 03:29:46] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 2/434 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/434 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 33/467 variables, 20/38 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/467 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 3/470 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/470 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 1124/1594 variables, 470/511 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1594 variables, 120/631 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 0/631 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 2/1596 variables, 2/633 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1596 variables, 1/634 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,4 properties remain. new max is 32768
At refinement iteration 17 (OVERLAPS) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1596/1596 variables, and 634 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2439 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD size :27974 after 356943
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 7/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/48 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 1124/1594 variables, 470/518 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 120/638 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1594 variables, 2/640 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1594 variables, 0/640 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 2/1596 variables, 2/642 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1596 variables, 1/643 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1596 variables, 0/643 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 0/1596 variables, 0/643 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1596/1596 variables, and 643 constraints, problems are : Problem set: 0 solved, 2 unsolved in 7918 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10370ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 724 ms.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 33 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 32 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 03:29:57] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:29:57] [INFO ] Invariant cache hit.
[2026-05-31 03:29:59] [INFO ] Implicit Places using invariants in 2066 ms returned []
[2026-05-31 03:29:59] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:29:59] [INFO ] Invariant cache hit.
[2026-05-31 03:30:00] [INFO ] State equation strengthened by 120 read => feed constraints.
SDD proceeding with computation,4 properties remain. new max is 65536
SDD size :356943 after 557338
Detected timeout of ITS tools.
[2026-05-31 03:30:22] [INFO ] Flatten gal took : 37 ms
[2026-05-31 03:30:22] [INFO ] Applying decomposition
[2026-05-31 03:30:22] [INFO ] Flatten gal took : 38 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph11717714028815896517.txt' '-o' '/tmp/graph11717714028815896517.bin' '-w' '/tmp/graph11717714028815896517.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph11717714028815896517.bin' '-l' '-1' '-v' '-w' '/tmp/graph11717714028815896517.weights' '-q' '0' '-e' '0.001'
[2026-05-31 03:30:22] [INFO ] Decomposing Gal with order
[2026-05-31 03:30:22] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 03:30:22] [INFO ] Removed a total of 945 redundant transitions.
[2026-05-31 03:30:22] [INFO ] Flatten gal took : 114 ms
[2026-05-31 03:30:22] [INFO ] Fuse similar labels procedure discarded/fused a total of 739 labels/synchronizations in 19 ms.
[2026-05-31 03:30:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17004716641056401565.gal : 14 ms
[2026-05-31 03:30:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3402936384215303122.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/ReachabilityCardinality17004716641056401565.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3402936384215303122.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/ReachabilityCardinality3402936384215303122.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :9 after 14
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :14 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 44
[2026-05-31 03:30:23] [INFO ] Implicit Places using invariants and state equation in 24041 ms returned []
Implicit Place search using SMT with State Equation took 26114 ms to find 0 implicit places.
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :44 after 114
[2026-05-31 03:30:23] [INFO ] Redundant transitions in 37 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26197 ms. Remains : 472/472 places, 1144/1144 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 20 place count 472 transition count 1124
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -40
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 40 place count 462 transition count 1164
Drop transitions (Redundant composition of simpler transitions.) removed 40 transitions
Redundant transition composition rules discarded 40 transitions
Iterating global reduction 1 with 40 rules applied. Total rules applied 80 place count 462 transition count 1124
Free-agglomeration rule applied 10 times.
Iterating global reduction 1 with 10 rules applied. Total rules applied 90 place count 462 transition count 1114
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 100 place count 452 transition count 1114
Free-agglomeration rule (complex) applied 10 times.
Iterating global reduction 2 with 10 rules applied. Total rules applied 110 place count 452 transition count 1104
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 120 place count 442 transition count 1104
Applied a total of 120 rules in 146 ms. Remains 442 /472 variables (removed 30) and now considering 1104/1144 (removed 40) transitions.
Running SMT prover for 2 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12594233130450472156.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8878016422606601651.kers'
[2026-05-31 03:30:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12594233130450472156.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8878016422606601651.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 2 ms.
// Phase 1: matrix 1104 rows 437 cols 5312 entries
Finished phase 1 with 210 SingleSign rule and 190 generalized
[2026-05-31 03:30:23] [INFO ] Computed 42 invariants in 17 ms
Computed 42 P flows in 18 ms.
Exported basis to /tmp/petrispot-output-8878016422606601651.kers
Total runtime 20 ms.
[2026-05-31 03:30:23] [INFO ] [Real]Absence check using 17 positive place invariants in 20 ms returned sat
[2026-05-31 03:30:23] [INFO ] [Real]Absence check using 17 positive and 25 generalized place invariants in 32 ms returned sat
[2026-05-31 03:30:23] [INFO ] After 208ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :114 after 393
[2026-05-31 03:30:23] [INFO ] [Nat]Absence check using 17 positive place invariants in 19 ms returned sat
[2026-05-31 03:30:24] [INFO ] [Nat]Absence check using 17 positive and 25 generalized place invariants in 31 ms returned sat
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :393 after 4063
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :4063 after 9023
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :14940 after 23805
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :23805 after 27530
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :27530 after 35079
[2026-05-31 03:30:28] [INFO ] After 4097ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-31 03:30:29] [INFO ] After 5097ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :35079 after 37370
[2026-05-31 03:30:31] [INFO ] After 7840ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-31 03:30:31] [INFO ] Flatten gal took : 67 ms
[2026-05-31 03:30:31] [INFO ] Flatten gal took : 53 ms
[2026-05-31 03:30:31] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4079316401643695195.gal : 12 ms
[2026-05-31 03:30:31] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4390376400794492214.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/ReachabilityCardinality4079316401643695195.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4390376400794492214.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/ReachabilityCardinality4390376400794492214.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :9 after 11
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :11 after 12
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :12 after 13
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :13 after 18
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :18 after 103
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :103 after 262
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :262 after 3627
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :3627 after 6557
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :6557 after 13945
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :13945 after 16275
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :16275 after 24239
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :44928 after 45842
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :24239 after 59431
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :59431 after 203795
Detected timeout of ITS tools.
[2026-05-31 03:30:46] [INFO ] Flatten gal took : 53 ms
[2026-05-31 03:30:46] [INFO ] Applying decomposition
[2026-05-31 03:30:46] [INFO ] Flatten gal took : 54 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph6168411814977162000.txt' '-o' '/tmp/graph6168411814977162000.bin' '-w' '/tmp/graph6168411814977162000.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph6168411814977162000.bin' '-l' '-1' '-v' '-w' '/tmp/graph6168411814977162000.weights' '-q' '0' '-e' '0.001'
[2026-05-31 03:30:47] [INFO ] Decomposing Gal with order
[2026-05-31 03:30:47] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 03:30:47] [INFO ] Removed a total of 1151 redundant transitions.
[2026-05-31 03:30:47] [INFO ] Flatten gal took : 200 ms
[2026-05-31 03:30:47] [INFO ] Fuse similar labels procedure discarded/fused a total of 1008 labels/synchronizations in 35 ms.
[2026-05-31 03:30:47] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6116274001193866510.gal : 12 ms
[2026-05-31 03:30:47] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16990718371051328454.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/ReachabilityCardinality6116274001193866510.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16990718371051328454.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/ReachabilityCardinality16990718371051328454.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :4 after 13
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :13 after 14
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :14 after 16
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :16 after 17
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :17 after 102
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :102 after 138
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :138 after 232
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :232 after 13135
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :13135 after 13703
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :13703 after 14865
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :14865 after 18433
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 39141 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (after reachability check) : Max Seen:[2, 1] Max Struct:[535, 5]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11341357033272200280.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5371544026262160328.kers'
[2026-05-31 03:31:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11341357033272200280.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5371544026262160328.kers]
Normalized transition count is 1124 out of 1144 initially.
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 03:31:02] [INFO ] Computed 42 invariants in 10 ms
Computed 42 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-5371544026262160328.kers
Total runtime 12 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 1] Max Struct:[535, 5]
RANDOM walk for 1000000 steps (340 resets) in 6758 ms. (147 steps per ms)
BEST_FIRST walk for 2000001 steps (140 resets) in 5727 ms. (349 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 1] Max Struct:[535, 5]
[2026-05-31 03:31:15] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8794065589922390595.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1511926793126947962.kers'
[2026-05-31 03:31:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8794065589922390595.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1511926793126947962.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 03:31:15] [INFO ] Computed 42 invariants in 9 ms
Computed 42 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-1511926793126947962.kers
Total runtime 11 ms.
[2026-05-31 03:31:15] [INFO ] [Real]Absence check using 14 positive place invariants in 10 ms returned sat
[2026-05-31 03:31:15] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 32 ms returned sat
[2026-05-31 03:31:16] [INFO ] [Real]Absence check using state equation in 1617 ms returned sat
[2026-05-31 03:31:16] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:31:17] [INFO ] [Nat]Absence check using 14 positive place invariants in 12 ms returned sat
[2026-05-31 03:31:17] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 32 ms returned sat
[2026-05-31 03:31:19] [INFO ] [Nat]Absence check using state equation in 2237 ms returned sat
[2026-05-31 03:31:19] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:31:19] [INFO ] [Nat]Added 120 Read/Feed constraints in 594 ms returned sat
[2026-05-31 03:31:20] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 114 ms.
[2026-05-31 03:31:20] [INFO ] Added : 20 causal constraints over 4 iterations in 736 ms. Result :sat
Minimization took 5249 ms.
[2026-05-31 03:31:26] [INFO ] [Real]Absence check using 14 positive place invariants in 11 ms returned sat
[2026-05-31 03:31:26] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 29 ms returned sat
[2026-05-31 03:31:27] [INFO ] [Real]Absence check using state equation in 1694 ms returned sat
[2026-05-31 03:31:27] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:31:28] [INFO ] [Nat]Absence check using 14 positive place invariants in 15 ms returned sat
[2026-05-31 03:31:28] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 29 ms returned sat
[2026-05-31 03:31:33] [INFO ] [Nat]Absence check using state equation in 5485 ms returned sat
[2026-05-31 03:31:34] [INFO ] [Nat]Added 120 Read/Feed constraints in 1128 ms returned sat
[2026-05-31 03:31:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 230 ms
[2026-05-31 03:31:34] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 84 ms.
[2026-05-31 03:31:35] [INFO ] Added : 42 causal constraints over 9 iterations in 940 ms. Result :sat
Minimization took 5082 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 1] Max Struct:[535, 5]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 1] Max Struct:[535, 5]
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 20 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 30 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 03:31:40] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:31:40] [INFO ] Invariant cache hit.
[2026-05-31 03:31:42] [INFO ] Implicit Places using invariants in 1709 ms returned []
[2026-05-31 03:31:42] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:31:42] [INFO ] Invariant cache hit.
[2026-05-31 03:31:44] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:32:08] [INFO ] Implicit Places using invariants and state equation in 26199 ms returned []
Implicit Place search using SMT with State Equation took 27923 ms to find 0 implicit places.
[2026-05-31 03:32:08] [INFO ] Redundant transitions in 22 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27988 ms. Remains : 472/472 places, 1144/1144 transitions.
[2026-05-31 03:32:09] [INFO ] Flatten gal took : 57 ms
[2026-05-31 03:32:09] [INFO ] Flatten gal took : 57 ms
[2026-05-31 03:32:09] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14242617756827700518.gal : 12 ms
[2026-05-31 03:32:09] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1788186781927121631.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/ReachabilityCardinality14242617756827700518.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1788186781927121631.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
RANDOM walk for 40000 steps (15 resets) in 558 ms. (71 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (11 resets) in 272 ms. (146 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (13 resets) in 274 ms. (145 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 196 ms. (203 steps per ms) remains 4/4 properties
Loading property file /tmp/ReachabilityCardinality1788186781927121631.prop.
BEST_FIRST walk for 40004 steps (8 resets) in 265 ms. (150 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :12 after 14
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :14 after 16
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :16 after 17
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :17 after 28
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :28 after 38
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :38 after 270
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :270 after 1832
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :1832 after 2040
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :2040 after 4460
Interrupted probabilistic random walk after 105613 steps, run timeout after 3001 ms. (steps per millisecond=35 ) properties seen :0 out of 4
Probabilistic random walk after 105613 steps, saw 68212 distinct states, run finished after 3001 ms. (steps per millisecond=35 ) properties seen :0
[2026-05-31 03:32:12] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:32:12] [INFO ] Invariant cache hit.
[2026-05-31 03:32:12] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem MAX0 is UNSAT
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :4460 after 8266
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 4/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/42 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/42 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/45 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/45 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :8266 after 11168
At refinement iteration 12 (OVERLAPS) 1124/1594 variables, 470/515 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 120/635 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1594 variables, 0/635 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 15 (OVERLAPS) 2/1596 variables, 2/637 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1596 variables, 1/638 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1596 variables, 0/638 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 18 (OVERLAPS) 0/1596 variables, 0/638 constraints. Problems are: Problem set: 1 solved, 3 unsolved
No progress, stopping.
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :11168 after 27974
After SMT solving in domain Real declared 1596/1596 variables, and 638 constraints, problems are : Problem set: 1 solved, 3 unsolved in 4989 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 4/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Problem MAX1 is UNSAT
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 5/26 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/432 variables, 0/26 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 2/434 variables, 1/27 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/434 variables, 0/27 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 33/467 variables, 20/47 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 2 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1594/1596 variables, and 520 constraints, problems are : Problem set: 2 solved, 2 unsolved in 4103 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 470/472 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 0/4 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9116ms problems are : Problem set: 2 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 48 ms.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 21 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 472/472 places, 1144/1144 transitions.
RANDOM walk for 40000 steps (15 resets) in 422 ms. (94 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (9 resets) in 218 ms. (182 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 205 ms. (194 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 119359 steps, run timeout after 3001 ms. (steps per millisecond=39 ) properties seen :0 out of 2
Probabilistic random walk after 119359 steps, saw 76752 distinct states, run finished after 3001 ms. (steps per millisecond=39 ) properties seen :0
[2026-05-31 03:32:24] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:32:24] [INFO ] Invariant cache hit.
[2026-05-31 03:32:24] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 2/434 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/434 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 33/467 variables, 20/38 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/467 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 3/470 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/470 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,4 properties remain. new max is 32768
SDD size :27974 after 356943
At refinement iteration 11 (OVERLAPS) 1124/1594 variables, 470/511 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1594 variables, 120/631 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 0/631 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 2/1596 variables, 2/633 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1596 variables, 1/634 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1596/1596 variables, and 634 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1799 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 7/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/48 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 1124/1594 variables, 470/518 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 120/638 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1594 variables, 2/640 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1594 variables, 0/640 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 2/1596 variables, 2/642 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1596 variables, 1/643 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1596 variables, 0/643 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 0/1596 variables, 0/643 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1596/1596 variables, and 643 constraints, problems are : Problem set: 0 solved, 2 unsolved in 6708 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8517ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 340 ms.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 19 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 19 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 03:32:33] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:32:33] [INFO ] Invariant cache hit.
[2026-05-31 03:32:35] [INFO ] Implicit Places using invariants in 1646 ms returned []
[2026-05-31 03:32:35] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:32:35] [INFO ] Invariant cache hit.
[2026-05-31 03:32:36] [INFO ] State equation strengthened by 120 read => feed constraints.
SDD proceeding with computation,4 properties remain. new max is 65536
SDD size :356943 after 557338
Detected timeout of ITS tools.
[2026-05-31 03:32:59] [INFO ] Flatten gal took : 34 ms
[2026-05-31 03:32:59] [INFO ] Applying decomposition
[2026-05-31 03:32:59] [INFO ] Flatten gal took : 34 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph12969214641073310597.txt' '-o' '/tmp/graph12969214641073310597.bin' '-w' '/tmp/graph12969214641073310597.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph12969214641073310597.bin' '-l' '-1' '-v' '-w' '/tmp/graph12969214641073310597.weights' '-q' '0' '-e' '0.001'
[2026-05-31 03:32:59] [INFO ] Decomposing Gal with order
[2026-05-31 03:32:59] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 03:32:59] [INFO ] Removed a total of 969 redundant transitions.
[2026-05-31 03:32:59] [INFO ] Flatten gal took : 123 ms
[2026-05-31 03:32:59] [INFO ] Fuse similar labels procedure discarded/fused a total of 1114 labels/synchronizations in 24 ms.
[2026-05-31 03:32:59] [INFO ] Implicit Places using invariants and state equation in 24091 ms returned []
Implicit Place search using SMT with State Equation took 25743 ms to find 0 implicit places.
[2026-05-31 03:32:59] [INFO ] Redundant transitions in 22 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25790 ms. Remains : 472/472 places, 1144/1144 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 20 place count 472 transition count 1124
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -40
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 40 place count 462 transition count 1164
Drop transitions (Redundant composition of simpler transitions.) removed 40 transitions
Redundant transition composition rules discarded 40 transitions
Iterating global reduction 1 with 40 rules applied. Total rules applied 80 place count 462 transition count 1124
[2026-05-31 03:32:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12569778684579035541.gal : 10 ms
[2026-05-31 03:32:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3014651794898838746.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/ReachabilityCardinality12569778684579035541.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3014651794898838746.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
Free-agglomeration rule applied 10 times.
Iterating global reduction 1 with 10 rules applied. Total rules applied 90 place count 462 transition count 1114
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 100 place count 452 transition count 1114
Free-agglomeration rule (complex) applied 10 times.
Iterating global reduction 2 with 10 rules applied. Total rules applied 110 place count 452 transition count 1104
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 120 place count 442 transition count 1104
Applied a total of 120 rules in 105 ms. Remains 442 /472 variables (removed 30) and now considering 1104/1144 (removed 40) transitions.
Running SMT prover for 2 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3169527050795161190.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12640819415056898944.kers'
[2026-05-31 03:32:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3169527050795161190.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12640819415056898944.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1104 rows 437 cols 5312 entries
Finished phase 1 with 210 SingleSign rule and 190 generalized
[2026-05-31 03:32:59] [INFO ] Computed 42 invariants in 14 ms
Computed 42 P flows in 15 ms.
Exported basis to /tmp/petrispot-output-12640819415056898944.kers
Total runtime 16 ms.
[2026-05-31 03:32:59] [INFO ] [Real]Absence check using 17 positive place invariants in 15 ms returned sat
[2026-05-31 03:32:59] [INFO ] [Real]Absence check using 17 positive and 25 generalized place invariants in 26 ms returned sat
[2026-05-31 03:32:59] [INFO ] After 155ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
Loading property file /tmp/ReachabilityCardinality3014651794898838746.prop.
[2026-05-31 03:33:00] [INFO ] [Nat]Absence check using 17 positive place invariants in 23 ms returned sat
[2026-05-31 03:33:00] [INFO ] [Nat]Absence check using 17 positive and 25 generalized place invariants in 40 ms returned sat
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :3 after 17
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :17 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 39
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :39 after 114
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :114 after 178
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :178 after 393
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :393 after 10840
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :14940 after 20340
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :20340 after 27557
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :27557 after 35046
[2026-05-31 03:33:04] [INFO ] After 4082ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-31 03:33:05] [INFO ] After 5061ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :35046 after 37934
[2026-05-31 03:33:07] [INFO ] After 7817ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-31 03:33:07] [INFO ] Flatten gal took : 35 ms
[2026-05-31 03:33:07] [INFO ] Flatten gal took : 36 ms
[2026-05-31 03:33:07] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality666235137229326723.gal : 8 ms
[2026-05-31 03:33:07] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9837882057422361897.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/ReachabilityCardinality666235137229326723.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9837882057422361897.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 ...327
Loading property file /tmp/ReachabilityCardinality9837882057422361897.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :9 after 11
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :11 after 12
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :12 after 13
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :13 after 18
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :18 after 103
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :103 after 262
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :262 after 3627
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :3627 after 6557
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :6557 after 13945
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :37934 after 41276
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :13945 after 16275
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :16275 after 24239
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :24239 after 59431
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :59431 after 203795
Detected timeout of ITS tools.
[2026-05-31 03:33:22] [INFO ] Flatten gal took : 33 ms
[2026-05-31 03:33:22] [INFO ] Applying decomposition
[2026-05-31 03:33:22] [INFO ] Flatten gal took : 34 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph9813702041812786548.txt' '-o' '/tmp/graph9813702041812786548.bin' '-w' '/tmp/graph9813702041812786548.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph9813702041812786548.bin' '-l' '-1' '-v' '-w' '/tmp/graph9813702041812786548.weights' '-q' '0' '-e' '0.001'
[2026-05-31 03:33:23] [INFO ] Decomposing Gal with order
[2026-05-31 03:33:23] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 03:33:23] [INFO ] Removed a total of 1318 redundant transitions.
[2026-05-31 03:33:23] [INFO ] Flatten gal took : 112 ms
[2026-05-31 03:33:23] [INFO ] Fuse similar labels procedure discarded/fused a total of 1007 labels/synchronizations in 25 ms.
[2026-05-31 03:33:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18123115446318613271.gal : 8 ms
[2026-05-31 03:33:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality911992808957264332.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/ReachabilityCardinality18123115446318613271.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality911992808957264332.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/ReachabilityCardinality911992808957264332.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :4 after 14
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :14 after 15
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :15 after 17
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :17 after 108
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :108 after 137
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :137 after 146
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :146 after 247
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :247 after 13592
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :13592 after 13864
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :13864 after 14387
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :44928 after 59876
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :14387 after 15684
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 38734 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (after reachability check) : Max Seen:[2, 1] Max Struct:[534, 4]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10241770239322919200.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3830178688069807941.kers'
[2026-05-31 03:33:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10241770239322919200.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3830178688069807941.kers]
Normalized transition count is 1124 out of 1144 initially.
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 03:33:38] [INFO ] Computed 42 invariants in 10 ms
Computed 42 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-3830178688069807941.kers
Total runtime 12 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 1] Max Struct:[534, 4]
RANDOM walk for 1000000 steps (326 resets) in 8111 ms. (123 steps per ms)
BEST_FIRST walk for 2000002 steps (146 resets) in 5826 ms. (343 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 1] Max Struct:[534, 4]
[2026-05-31 03:33:52] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12533865162818864663.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18088087511520561069.kers'
[2026-05-31 03:33:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12533865162818864663.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18088087511520561069.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 4 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 03:33:52] [INFO ] Computed 42 invariants in 15 ms
Computed 42 P flows in 16 ms.
Exported basis to /tmp/petrispot-output-18088087511520561069.kers
Total runtime 18 ms.
[2026-05-31 03:33:52] [INFO ] [Real]Absence check using 14 positive place invariants in 12 ms returned sat
[2026-05-31 03:33:52] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 35 ms returned sat
[2026-05-31 03:33:54] [INFO ] [Real]Absence check using state equation in 1875 ms returned sat
[2026-05-31 03:33:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:33:54] [INFO ] [Nat]Absence check using 14 positive place invariants in 11 ms returned sat
[2026-05-31 03:33:54] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 28 ms returned sat
[2026-05-31 03:33:56] [INFO ] [Nat]Absence check using state equation in 1789 ms returned sat
[2026-05-31 03:33:56] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:33:56] [INFO ] [Nat]Added 120 Read/Feed constraints in 576 ms returned sat
[2026-05-31 03:33:57] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 125 ms.
[2026-05-31 03:33:57] [INFO ] Added : 20 causal constraints over 4 iterations in 736 ms. Result :sat
Minimization took 5484 ms.
[2026-05-31 03:34:03] [INFO ] [Real]Absence check using 14 positive place invariants in 10 ms returned sat
[2026-05-31 03:34:03] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 32 ms returned sat
[2026-05-31 03:34:05] [INFO ] [Real]Absence check using state equation in 2078 ms returned sat
[2026-05-31 03:34:05] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:34:05] [INFO ] [Nat]Absence check using 14 positive place invariants in 15 ms returned sat
[2026-05-31 03:34:05] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 45 ms returned sat
[2026-05-31 03:34:11] [INFO ] [Nat]Absence check using state equation in 5873 ms returned sat
[2026-05-31 03:34:12] [INFO ] [Nat]Added 120 Read/Feed constraints in 1138 ms returned sat
[2026-05-31 03:34:13] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 270 ms
[2026-05-31 03:34:13] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 110 ms.
[2026-05-31 03:34:14] [INFO ] Added : 42 causal constraints over 9 iterations in 1143 ms. Result :sat
Minimization took 5435 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 1] Max Struct:[534, 4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 1] Max Struct:[534, 4]
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 21 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 19 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 03:34:19] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:34:19] [INFO ] Invariant cache hit.
[2026-05-31 03:34:21] [INFO ] Implicit Places using invariants in 1653 ms returned []
[2026-05-31 03:34:21] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:34:21] [INFO ] Invariant cache hit.
[2026-05-31 03:34:22] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:34:47] [INFO ] Implicit Places using invariants and state equation in 25672 ms returned []
Implicit Place search using SMT with State Equation took 27332 ms to find 0 implicit places.
[2026-05-31 03:34:47] [INFO ] Redundant transitions in 22 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27384 ms. Remains : 472/472 places, 1144/1144 transitions.
[2026-05-31 03:34:47] [INFO ] Flatten gal took : 53 ms
[2026-05-31 03:34:47] [INFO ] Flatten gal took : 57 ms
[2026-05-31 03:34:47] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1768974562534123628.gal : 8 ms
[2026-05-31 03:34:47] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5413936224697900222.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/ReachabilityCardinality1768974562534123628.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5413936224697900222.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
RANDOM walk for 40000 steps (17 resets) in 446 ms. (89 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (13 resets) in 254 ms. (156 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 213 ms. (186 steps per ms) remains 4/4 properties
Loading property file /tmp/ReachabilityCardinality5413936224697900222.prop.
BEST_FIRST walk for 40003 steps (8 resets) in 315 ms. (126 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 264 ms. (150 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :12 after 14
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :14 after 16
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :16 after 17
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :17 after 28
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :28 after 38
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :38 after 270
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :270 after 1832
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :1832 after 2040
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :2040 after 4460
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :4460 after 8266
Interrupted probabilistic random walk after 96441 steps, run timeout after 3001 ms. (steps per millisecond=32 ) properties seen :0 out of 4
Probabilistic random walk after 96441 steps, saw 62559 distinct states, run finished after 3001 ms. (steps per millisecond=32 ) properties seen :0
[2026-05-31 03:34:50] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:34:50] [INFO ] Invariant cache hit.
[2026-05-31 03:34:50] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem MAX0 is UNSAT
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 4/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/42 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/42 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/45 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/45 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :8266 after 11168
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1594/1596 variables, and 515 constraints, problems are : Problem set: 1 solved, 3 unsolved in 3616 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 470/472 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 4/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 5/26 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/432 variables, 0/26 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 2/434 variables, 1/27 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/434 variables, 0/27 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 33/467 variables, 20/47 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :11168 after 27974
At refinement iteration 13 (OVERLAPS) 1124/1594 variables, 470/520 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1594/1596 variables, and 640 constraints, problems are : Problem set: 1 solved, 3 unsolved in 5017 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 470/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 0/4 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8645ms problems are : Problem set: 1 solved, 3 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 20 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 472/472 places, 1144/1144 transitions.
RANDOM walk for 40000 steps (18 resets) in 526 ms. (75 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (9 resets) in 323 ms. (123 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 209 ms. (190 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 204 ms. (195 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 114183 steps, run timeout after 3001 ms. (steps per millisecond=38 ) properties seen :0 out of 3
Probabilistic random walk after 114183 steps, saw 73548 distinct states, run finished after 3001 ms. (steps per millisecond=38 ) properties seen :0
[2026-05-31 03:35:02] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:35:02] [INFO ] Invariant cache hit.
[2026-05-31 03:35:02] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 2/434 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/434 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 33/467 variables, 20/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/467 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 3/470 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/470 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 32768
SDD size :27974 after 356943
At refinement iteration 11 (OVERLAPS) 1124/1594 variables, 470/511 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1594 variables, 120/631 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 0/631 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 2/1596 variables, 2/633 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1596 variables, 1/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1596/1596 variables, and 634 constraints, problems are : Problem set: 0 solved, 3 unsolved in 3393 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 9/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 1124/1594 variables, 470/520 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 120/640 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1594 variables, 3/643 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1594 variables, 0/643 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 2/1596 variables, 2/645 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1596 variables, 1/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1596 variables, 0/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 0/1596 variables, 0/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1596/1596 variables, and 646 constraints, problems are : Problem set: 0 solved, 3 unsolved in 11056 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14461ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
SDD proceeding with computation,4 properties remain. new max is 65536
SDD size :356943 after 557338
Parikh walk visited 0 properties in 2339 ms.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 20 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 19 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 03:35:19] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:35:19] [INFO ] Invariant cache hit.
[2026-05-31 03:35:21] [INFO ] Implicit Places using invariants in 1607 ms returned []
[2026-05-31 03:35:21] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:35:21] [INFO ] Invariant cache hit.
[2026-05-31 03:35:22] [INFO ] State equation strengthened by 120 read => feed constraints.
Detected timeout of ITS tools.
[2026-05-31 03:35:37] [INFO ] Flatten gal took : 35 ms
[2026-05-31 03:35:37] [INFO ] Applying decomposition
[2026-05-31 03:35:37] [INFO ] Flatten gal took : 36 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph3366433159680976047.txt' '-o' '/tmp/graph3366433159680976047.bin' '-w' '/tmp/graph3366433159680976047.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph3366433159680976047.bin' '-l' '-1' '-v' '-w' '/tmp/graph3366433159680976047.weights' '-q' '0' '-e' '0.001'
[2026-05-31 03:35:37] [INFO ] Decomposing Gal with order
[2026-05-31 03:35:37] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 03:35:37] [INFO ] Removed a total of 1197 redundant transitions.
[2026-05-31 03:35:37] [INFO ] Flatten gal took : 104 ms
[2026-05-31 03:35:37] [INFO ] Fuse similar labels procedure discarded/fused a total of 654 labels/synchronizations in 18 ms.
[2026-05-31 03:35:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16161508698766551487.gal : 8 ms
[2026-05-31 03:35:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9184489579339542373.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/ReachabilityCardinality16161508698766551487.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9184489579339542373.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/ReachabilityCardinality9184489579339542373.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 13
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :13 after 23
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :23 after 38
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :38 after 270
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :270 after 1370
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :1370 after 1560
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :1560 after 1680
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :1680 after 1734
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :1734 after 2356
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :2356 after 3648
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :3648 after 6413
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :6413 after 9832
[2026-05-31 03:35:45] [INFO ] Implicit Places using invariants and state equation in 24007 ms returned []
Implicit Place search using SMT with State Equation took 25621 ms to find 0 implicit places.
[2026-05-31 03:35:45] [INFO ] Redundant transitions in 22 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25676 ms. Remains : 472/472 places, 1144/1144 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 20 place count 472 transition count 1124
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -40
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 40 place count 462 transition count 1164
Drop transitions (Redundant composition of simpler transitions.) removed 40 transitions
Redundant transition composition rules discarded 40 transitions
Iterating global reduction 1 with 40 rules applied. Total rules applied 80 place count 462 transition count 1124
Free-agglomeration rule applied 10 times.
Iterating global reduction 1 with 10 rules applied. Total rules applied 90 place count 462 transition count 1114
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 100 place count 452 transition count 1114
Free-agglomeration rule (complex) applied 10 times.
Iterating global reduction 2 with 10 rules applied. Total rules applied 110 place count 452 transition count 1104
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 120 place count 442 transition count 1104
Applied a total of 120 rules in 107 ms. Remains 442 /472 variables (removed 30) and now considering 1104/1144 (removed 40) transitions.
Running SMT prover for 3 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12603505625048709106.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5074471125518948675.kers'
[2026-05-31 03:35:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12603505625048709106.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5074471125518948675.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 2 ms.
// Phase 1: matrix 1104 rows 437 cols 5312 entries
Finished phase 1 with 210 SingleSign rule and 190 generalized
[2026-05-31 03:35:45] [INFO ] Computed 42 invariants in 17 ms
Computed 42 P flows in 18 ms.
Exported basis to /tmp/petrispot-output-5074471125518948675.kers
Total runtime 21 ms.
[2026-05-31 03:35:45] [INFO ] [Real]Absence check using 17 positive place invariants in 26 ms returned sat
[2026-05-31 03:35:45] [INFO ] [Real]Absence check using 17 positive and 25 generalized place invariants in 46 ms returned sat
[2026-05-31 03:35:45] [INFO ] After 267ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2026-05-31 03:35:45] [INFO ] [Nat]Absence check using 17 positive place invariants in 25 ms returned sat
[2026-05-31 03:35:45] [INFO ] [Nat]Absence check using 17 positive and 25 generalized place invariants in 59 ms returned sat
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :9832 after 21132
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :21132 after 108189
[2026-05-31 03:35:57] [INFO ] After 12067ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
[2026-05-31 03:36:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 690 ms
TRAPS : Iteration 1
[2026-05-31 03:36:02] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 741 ms
[2026-05-31 03:36:05] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 2580 ms
TRAPS : Iteration 2
[2026-05-31 03:36:06] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 474 ms
TRAPS : Iteration 3
SDD proceeding with computation,3 properties remain. new max is 65536
SDD size :108189 after 203644
[2026-05-31 03:36:10] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 2200 ms
TRAPS : Iteration 4
[2026-05-31 03:36:11] [INFO ] After 25595ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2026-05-31 03:36:12] [INFO ] After 26775ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
[2026-05-31 03:36:12] [INFO ] Flatten gal took : 36 ms
[2026-05-31 03:36:12] [INFO ] Flatten gal took : 33 ms
[2026-05-31 03:36:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1380603707572559013.gal : 7 ms
[2026-05-31 03:36:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16640703916787215935.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/ReachabilityCardinality1380603707572559013.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16640703916787215935.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/ReachabilityCardinality16640703916787215935.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :9 after 11
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :11 after 12
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :12 after 13
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :13 after 18
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :18 after 103
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :103 after 262
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :262 after 3627
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :3627 after 6557
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :6557 after 13945
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :13945 after 16275
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :16275 after 24239
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :24239 after 59431
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :59431 after 203795
Detected timeout of ITS tools.
[2026-05-31 03:36:27] [INFO ] Flatten gal took : 38 ms
[2026-05-31 03:36:27] [INFO ] Applying decomposition
[2026-05-31 03:36:27] [INFO ] Flatten gal took : 38 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph17988529163031481602.txt' '-o' '/tmp/graph17988529163031481602.bin' '-w' '/tmp/graph17988529163031481602.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph17988529163031481602.bin' '-l' '-1' '-v' '-w' '/tmp/graph17988529163031481602.weights' '-q' '0' '-e' '0.001'
[2026-05-31 03:36:27] [INFO ] Decomposing Gal with order
[2026-05-31 03:36:27] [INFO ] Rewriting arrays to variables to allow decomposition.
Detected timeout of ITS tools.
[2026-05-31 03:36:27] [INFO ] Removed a total of 1097 redundant transitions.
[2026-05-31 03:36:27] [INFO ] Flatten gal took : 121 ms
[2026-05-31 03:36:27] [INFO ] Fuse similar labels procedure discarded/fused a total of 957 labels/synchronizations in 25 ms.
[2026-05-31 03:36:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15728862247377002665.gal : 7 ms
[2026-05-31 03:36:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3867097931718869536.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/ReachabilityCardinality15728862247377002665.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3867097931718869536.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/ReachabilityCardinality3867097931718869536.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :12 after 14
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :14 after 15
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :15 after 16
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :16 after 22
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :22 after 121
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :121 after 142
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :142 after 262
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :262 after 6557
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :6557 after 19861
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :19861 after 24689
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :24689 after 47515
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :47515 after 109285
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 57806 ms.
Current structural bounds on expressions (after reachability check) : Max Seen:[2, 1] Max Struct:[533, 4]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1848547070686549290.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3200491583866741438.kers'
[2026-05-31 03:36:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1848547070686549290.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3200491583866741438.kers]
Normalized transition count is 1124 out of 1144 initially.
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 03:36:43] [INFO ] Computed 42 invariants in 10 ms
Computed 42 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-3200491583866741438.kers
Total runtime 12 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 1] Max Struct:[533, 4]
RANDOM walk for 1000000 steps (349 resets) in 6545 ms. (152 steps per ms)
BEST_FIRST walk for 2000001 steps (141 resets) in 5686 ms. (351 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 1] Max Struct:[533, 4]
[2026-05-31 03:36:55] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4557004534060544774.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10988846428619776710.kers'
[2026-05-31 03:36:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4557004534060544774.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10988846428619776710.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 03:36:55] [INFO ] Computed 42 invariants in 11 ms
Computed 42 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-10988846428619776710.kers
Total runtime 13 ms.
[2026-05-31 03:36:55] [INFO ] [Real]Absence check using 14 positive place invariants in 14 ms returned sat
[2026-05-31 03:36:55] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 49 ms returned sat
[2026-05-31 03:36:57] [INFO ] [Real]Absence check using state equation in 1899 ms returned sat
[2026-05-31 03:36:57] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:36:57] [INFO ] [Nat]Absence check using 14 positive place invariants in 14 ms returned sat
[2026-05-31 03:36:57] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 45 ms returned sat
[2026-05-31 03:36:59] [INFO ] [Nat]Absence check using state equation in 2083 ms returned sat
[2026-05-31 03:36:59] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:37:00] [INFO ] [Nat]Added 120 Read/Feed constraints in 596 ms returned sat
[2026-05-31 03:37:00] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 88 ms.
[2026-05-31 03:37:01] [INFO ] Added : 20 causal constraints over 4 iterations in 764 ms. Result :sat
Minimization took 5582 ms.
[2026-05-31 03:37:06] [INFO ] [Real]Absence check using 14 positive place invariants in 10 ms returned sat
[2026-05-31 03:37:06] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 29 ms returned sat
[2026-05-31 03:37:08] [INFO ] [Real]Absence check using state equation in 1783 ms returned sat
[2026-05-31 03:37:08] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:37:08] [INFO ] [Nat]Absence check using 14 positive place invariants in 12 ms returned sat
[2026-05-31 03:37:08] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 40 ms returned sat
[2026-05-31 03:37:14] [INFO ] [Nat]Absence check using state equation in 5904 ms returned sat
[2026-05-31 03:37:16] [INFO ] [Nat]Added 120 Read/Feed constraints in 1395 ms returned sat
[2026-05-31 03:37:16] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 230 ms
[2026-05-31 03:37:16] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 90 ms.
[2026-05-31 03:37:17] [INFO ] Added : 42 causal constraints over 9 iterations in 1142 ms. Result :sat
Minimization took 5539 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 1] Max Struct:[533, 4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 1] Max Struct:[533, 4]
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 19 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 20 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 03:37:23] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:37:23] [INFO ] Invariant cache hit.
[2026-05-31 03:37:24] [INFO ] Implicit Places using invariants in 1748 ms returned []
[2026-05-31 03:37:24] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:37:24] [INFO ] Invariant cache hit.
[2026-05-31 03:37:26] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:37:50] [INFO ] Implicit Places using invariants and state equation in 25507 ms returned []
Implicit Place search using SMT with State Equation took 27265 ms to find 0 implicit places.
[2026-05-31 03:37:50] [INFO ] Redundant transitions in 22 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27318 ms. Remains : 472/472 places, 1144/1144 transitions.
[2026-05-31 03:37:50] [INFO ] Flatten gal took : 62 ms
[2026-05-31 03:37:50] [INFO ] Flatten gal took : 49 ms
[2026-05-31 03:37:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3589537022558055634.gal : 7 ms
[2026-05-31 03:37:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5560532190121027373.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/ReachabilityCardinality3589537022558055634.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5560532190121027373.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
RANDOM walk for 40000 steps (13 resets) in 488 ms. (81 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 299 ms. (133 steps per ms) remains 4/4 properties
Loading property file /tmp/ReachabilityCardinality5560532190121027373.prop.
BEST_FIRST walk for 40003 steps (8 resets) in 262 ms. (152 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 213 ms. (186 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (8 resets) in 306 ms. (130 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :12 after 14
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :14 after 16
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :16 after 17
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :17 after 28
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :28 after 38
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :38 after 270
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :270 after 1832
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :1832 after 2040
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :2040 after 4460
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :4460 after 8266
Interrupted probabilistic random walk after 100952 steps, run timeout after 3001 ms. (steps per millisecond=33 ) properties seen :0 out of 4
Probabilistic random walk after 100952 steps, saw 65380 distinct states, run finished after 3001 ms. (steps per millisecond=33 ) properties seen :0
[2026-05-31 03:37:53] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:37:53] [INFO ] Invariant cache hit.
[2026-05-31 03:37:53] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem MAX0 is UNSAT
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 4/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :8266 after 11168
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/42 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/42 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/45 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/45 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 1124/1594 variables, 470/515 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Solver is answering 'unknown', stopping.
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :11168 after 27974
After SMT solving in domain Real declared 1594/1596 variables, and 635 constraints, problems are : Problem set: 1 solved, 3 unsolved in 4447 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 470/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 4/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 5/26 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/432 variables, 0/26 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 2/434 variables, 1/27 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/434 variables, 0/27 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 33/467 variables, 20/47 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 1124/1594 variables, 470/520 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1594/1596 variables, and 640 constraints, problems are : Problem set: 1 solved, 3 unsolved in 5004 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 470/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 0/4 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9468ms problems are : Problem set: 1 solved, 3 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 20 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 472/472 places, 1144/1144 transitions.
RANDOM walk for 40001 steps (13 resets) in 407 ms. (98 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (11 resets) in 268 ms. (148 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 193 ms. (206 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (8 resets) in 192 ms. (207 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 111316 steps, run timeout after 3001 ms. (steps per millisecond=37 ) properties seen :0 out of 3
Probabilistic random walk after 111316 steps, saw 71724 distinct states, run finished after 3001 ms. (steps per millisecond=37 ) properties seen :0
[2026-05-31 03:38:06] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:38:06] [INFO ] Invariant cache hit.
[2026-05-31 03:38:06] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 2/434 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/434 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 33/467 variables, 20/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/467 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 3/470 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/470 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 32768
SDD size :27974 after 356943
At refinement iteration 11 (OVERLAPS) 1124/1594 variables, 470/511 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1594 variables, 120/631 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 0/631 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 2/1596 variables, 2/633 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1596 variables, 1/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1596/1596 variables, and 634 constraints, problems are : Problem set: 0 solved, 3 unsolved in 3228 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 9/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 1124/1594 variables, 470/520 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 120/640 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1594 variables, 3/643 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1594 variables, 0/643 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 2/1596 variables, 2/645 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1596 variables, 1/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1596 variables, 0/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 0/1596 variables, 0/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1596/1596 variables, and 646 constraints, problems are : Problem set: 0 solved, 3 unsolved in 10972 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14214ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
SDD proceeding with computation,4 properties remain. new max is 65536
SDD size :356943 after 557338
Parikh walk visited 0 properties in 2123 ms.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 22 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 20 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 03:38:23] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:38:23] [INFO ] Invariant cache hit.
[2026-05-31 03:38:24] [INFO ] Implicit Places using invariants in 1540 ms returned []
[2026-05-31 03:38:24] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:38:24] [INFO ] Invariant cache hit.
[2026-05-31 03:38:26] [INFO ] State equation strengthened by 120 read => feed constraints.
Detected timeout of ITS tools.
[2026-05-31 03:38:40] [INFO ] Flatten gal took : 34 ms
[2026-05-31 03:38:40] [INFO ] Applying decomposition
[2026-05-31 03:38:40] [INFO ] Flatten gal took : 35 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph17279014265426052184.txt' '-o' '/tmp/graph17279014265426052184.bin' '-w' '/tmp/graph17279014265426052184.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph17279014265426052184.bin' '-l' '-1' '-v' '-w' '/tmp/graph17279014265426052184.weights' '-q' '0' '-e' '0.001'
[2026-05-31 03:38:40] [INFO ] Decomposing Gal with order
[2026-05-31 03:38:40] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 03:38:40] [INFO ] Removed a total of 970 redundant transitions.
[2026-05-31 03:38:40] [INFO ] Flatten gal took : 127 ms
[2026-05-31 03:38:40] [INFO ] Fuse similar labels procedure discarded/fused a total of 828 labels/synchronizations in 19 ms.
[2026-05-31 03:38:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7045818772491535811.gal : 8 ms
[2026-05-31 03:38:41] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2264153856012930381.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/ReachabilityCardinality7045818772491535811.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2264153856012930381.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/ReachabilityCardinality2264153856012930381.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :4 after 18
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :18 after 23
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :23 after 148
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :148 after 233
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :233 after 255
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :255 after 450
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :450 after 1676
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :1676 after 2404
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :2404 after 5222
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :5222 after 7944
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :7944 after 16096
[2026-05-31 03:38:48] [INFO ] Implicit Places using invariants and state equation in 23836 ms returned []
Implicit Place search using SMT with State Equation took 25391 ms to find 0 implicit places.
[2026-05-31 03:38:48] [INFO ] Redundant transitions in 22 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25443 ms. Remains : 472/472 places, 1144/1144 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 20 place count 472 transition count 1124
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -40
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 40 place count 462 transition count 1164
Drop transitions (Redundant composition of simpler transitions.) removed 40 transitions
Redundant transition composition rules discarded 40 transitions
Iterating global reduction 1 with 40 rules applied. Total rules applied 80 place count 462 transition count 1124
Free-agglomeration rule applied 10 times.
Iterating global reduction 1 with 10 rules applied. Total rules applied 90 place count 462 transition count 1114
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 100 place count 452 transition count 1114
Free-agglomeration rule (complex) applied 10 times.
Iterating global reduction 2 with 10 rules applied. Total rules applied 110 place count 452 transition count 1104
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 120 place count 442 transition count 1104
Applied a total of 120 rules in 85 ms. Remains 442 /472 variables (removed 30) and now considering 1104/1144 (removed 40) transitions.
Running SMT prover for 3 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5521952082877218041.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5816711610910539698.kers'
[2026-05-31 03:38:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5521952082877218041.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5816711610910539698.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1104 rows 437 cols 5312 entries
Finished phase 1 with 210 SingleSign rule and 190 generalized
[2026-05-31 03:38:48] [INFO ] Computed 42 invariants in 9 ms
Computed 42 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-5816711610910539698.kers
Total runtime 12 ms.
[2026-05-31 03:38:48] [INFO ] [Real]Absence check using 17 positive place invariants in 17 ms returned sat
[2026-05-31 03:38:48] [INFO ] [Real]Absence check using 17 positive and 25 generalized place invariants in 28 ms returned sat
[2026-05-31 03:38:48] [INFO ] After 196ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2026-05-31 03:38:49] [INFO ] [Nat]Absence check using 17 positive place invariants in 20 ms returned sat
[2026-05-31 03:38:49] [INFO ] [Nat]Absence check using 17 positive and 25 generalized place invariants in 42 ms returned sat
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :16096 after 119822
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :119822 after 199914
[2026-05-31 03:39:01] [INFO ] After 12057ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
[2026-05-31 03:39:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 657 ms
TRAPS : Iteration 1
[2026-05-31 03:39:05] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 704 ms
[2026-05-31 03:39:07] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 2488 ms
TRAPS : Iteration 2
[2026-05-31 03:39:09] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 449 ms
TRAPS : Iteration 3
[2026-05-31 03:39:12] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 2052 ms
TRAPS : Iteration 4
[2026-05-31 03:39:14] [INFO ] After 24888ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2026-05-31 03:39:14] [INFO ] After 25955ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
[2026-05-31 03:39:14] [INFO ] Flatten gal took : 33 ms
[2026-05-31 03:39:14] [INFO ] Flatten gal took : 32 ms
[2026-05-31 03:39:14] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5088378656973828160.gal : 8 ms
[2026-05-31 03:39:14] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16532478289364085894.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/ReachabilityCardinality5088378656973828160.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16532478289364085894.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/ReachabilityCardinality16532478289364085894.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :9 after 11
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :11 after 12
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :12 after 13
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :13 after 18
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :18 after 103
SDD proceeding with computation,3 properties remain. new max is 65536
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :103 after 262
SDD size :199914 after 375488
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :262 after 3627
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :3627 after 6557
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :6557 after 13945
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :13945 after 16275
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :16275 after 24239
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :24239 after 59431
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :59431 after 203795
Detected timeout of ITS tools.
[2026-05-31 03:39:30] [INFO ] Flatten gal took : 38 ms
[2026-05-31 03:39:30] [INFO ] Applying decomposition
[2026-05-31 03:39:30] [INFO ] Flatten gal took : 39 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph4519454445827194321.txt' '-o' '/tmp/graph4519454445827194321.bin' '-w' '/tmp/graph4519454445827194321.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph4519454445827194321.bin' '-l' '-1' '-v' '-w' '/tmp/graph4519454445827194321.weights' '-q' '0' '-e' '0.001'
[2026-05-31 03:39:30] [INFO ] Decomposing Gal with order
[2026-05-31 03:39:30] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 03:39:30] [INFO ] Removed a total of 905 redundant transitions.
[2026-05-31 03:39:30] [INFO ] Flatten gal took : 108 ms
[2026-05-31 03:39:30] [INFO ] Fuse similar labels procedure discarded/fused a total of 848 labels/synchronizations in 18 ms.
[2026-05-31 03:39:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14118905492607874463.gal : 11 ms
[2026-05-31 03:39:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9592184329720801844.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/ReachabilityCardinality14118905492607874463.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9592184329720801844.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/ReachabilityCardinality9592184329720801844.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :5 after 11
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :11 after 13
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :13 after 14
Detected timeout of ITS tools.
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :14 after 20
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :20 after 119
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :119 after 141
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :141 after 235
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :235 after 1261
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :1261 after 2453
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :13547 after 13812
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 56863 ms.
Current structural bounds on expressions (after reachability check) : Max Seen:[2, 1] Max Struct:[532, 4]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1342932105279432799.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-790109972873054000.kers'
[2026-05-31 03:39:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1342932105279432799.kers, --Pflows, --basisKERS=/tmp/petrispot-output-790109972873054000.kers]
Normalized transition count is 1124 out of 1144 initially.
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 03:39:45] [INFO ] Computed 42 invariants in 9 ms
Computed 42 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-790109972873054000.kers
Total runtime 13 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 1] Max Struct:[532, 4]
RANDOM walk for 1000000 steps (374 resets) in 7517 ms. (133 steps per ms)
BEST_FIRST walk for 2000002 steps (130 resets) in 6448 ms. (310 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 1] Max Struct:[532, 4]
[2026-05-31 03:39:59] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6795846584502985842.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8805786642922212096.kers'
[2026-05-31 03:39:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6795846584502985842.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8805786642922212096.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 03:39:59] [INFO ] Computed 42 invariants in 9 ms
Computed 42 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-8805786642922212096.kers
Total runtime 12 ms.
[2026-05-31 03:39:59] [INFO ] [Real]Absence check using 14 positive place invariants in 10 ms returned sat
[2026-05-31 03:39:59] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 33 ms returned sat
[2026-05-31 03:40:01] [INFO ] [Real]Absence check using state equation in 1779 ms returned sat
[2026-05-31 03:40:01] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:40:01] [INFO ] [Nat]Absence check using 14 positive place invariants in 14 ms returned sat
[2026-05-31 03:40:01] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 28 ms returned sat
[2026-05-31 03:40:03] [INFO ] [Nat]Absence check using state equation in 2004 ms returned sat
[2026-05-31 03:40:03] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:40:04] [INFO ] [Nat]Added 120 Read/Feed constraints in 589 ms returned sat
[2026-05-31 03:40:04] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 81 ms.
[2026-05-31 03:40:04] [INFO ] Added : 20 causal constraints over 4 iterations in 677 ms. Result :sat
Minimization took 5623 ms.
[2026-05-31 03:40:10] [INFO ] [Real]Absence check using 14 positive place invariants in 15 ms returned sat
[2026-05-31 03:40:10] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 41 ms returned sat
[2026-05-31 03:40:12] [INFO ] [Real]Absence check using state equation in 1880 ms returned sat
[2026-05-31 03:40:12] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:40:12] [INFO ] [Nat]Absence check using 14 positive place invariants in 10 ms returned sat
[2026-05-31 03:40:12] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 28 ms returned sat
[2026-05-31 03:40:18] [INFO ] [Nat]Absence check using state equation in 5783 ms returned sat
[2026-05-31 03:40:19] [INFO ] [Nat]Added 120 Read/Feed constraints in 1104 ms returned sat
[2026-05-31 03:40:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 246 ms
[2026-05-31 03:40:20] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 90 ms.
[2026-05-31 03:40:21] [INFO ] Added : 42 causal constraints over 9 iterations in 1118 ms. Result :sat
Minimization took 5562 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 1] Max Struct:[532, 4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 1] Max Struct:[532, 4]
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 20 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 20 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 03:40:26] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:40:26] [INFO ] Invariant cache hit.
[2026-05-31 03:40:28] [INFO ] Implicit Places using invariants in 1889 ms returned []
[2026-05-31 03:40:28] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:40:28] [INFO ] Invariant cache hit.
[2026-05-31 03:40:30] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:40:54] [INFO ] Implicit Places using invariants and state equation in 25471 ms returned []
Implicit Place search using SMT with State Equation took 27377 ms to find 0 implicit places.
[2026-05-31 03:40:54] [INFO ] Redundant transitions in 22 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27435 ms. Remains : 472/472 places, 1144/1144 transitions.
[2026-05-31 03:40:54] [INFO ] Flatten gal took : 71 ms
[2026-05-31 03:40:54] [INFO ] Flatten gal took : 35 ms
[2026-05-31 03:40:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14275247708876206864.gal : 8 ms
[2026-05-31 03:40:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15096825201486089387.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/ReachabilityCardinality14275247708876206864.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15096825201486089387.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
RANDOM walk for 40000 steps (20 resets) in 663 ms. (60 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (9 resets) in 336 ms. (118 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (9 resets) in 329 ms. (121 steps per ms) remains 4/4 properties
Loading property file /tmp/ReachabilityCardinality15096825201486089387.prop.
BEST_FIRST walk for 40003 steps (8 resets) in 245 ms. (162 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (8 resets) in 235 ms. (169 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :12 after 14
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :14 after 16
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :16 after 17
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :17 after 28
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :28 after 38
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :38 after 270
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :270 after 1832
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :1832 after 2040
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :2040 after 4460
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :4460 after 8266
Interrupted probabilistic random walk after 104348 steps, run timeout after 3001 ms. (steps per millisecond=34 ) properties seen :0 out of 4
Probabilistic random walk after 104348 steps, saw 67455 distinct states, run finished after 3001 ms. (steps per millisecond=34 ) properties seen :0
[2026-05-31 03:40:57] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:40:57] [INFO ] Invariant cache hit.
[2026-05-31 03:40:57] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem MAX0 is UNSAT
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 4/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/42 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/42 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/45 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/45 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :8266 after 11168
At refinement iteration 12 (OVERLAPS) 1124/1594 variables, 470/515 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 120/635 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1594 variables, 0/635 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 15 (OVERLAPS) 2/1596 variables, 2/637 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1596 variables, 1/638 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1596 variables, 0/638 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 18 (OVERLAPS) 0/1596 variables, 0/638 constraints. Problems are: Problem set: 1 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1596/1596 variables, and 638 constraints, problems are : Problem set: 1 solved, 3 unsolved in 3916 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 4/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :11168 after 27974
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 5/26 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/432 variables, 0/26 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 2/434 variables, 1/27 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/434 variables, 0/27 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 33/467 variables, 20/47 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 1124/1594 variables, 470/520 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1594/1596 variables, and 640 constraints, problems are : Problem set: 1 solved, 3 unsolved in 5009 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 470/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 0/4 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8943ms problems are : Problem set: 1 solved, 3 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 26 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30 ms. Remains : 472/472 places, 1144/1144 transitions.
RANDOM walk for 40000 steps (22 resets) in 528 ms. (75 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (8 resets) in 241 ms. (165 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 184 ms. (216 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 176 ms. (226 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 117690 steps, run timeout after 3001 ms. (steps per millisecond=39 ) properties seen :0 out of 3
Probabilistic random walk after 117690 steps, saw 75727 distinct states, run finished after 3001 ms. (steps per millisecond=39 ) properties seen :0
[2026-05-31 03:41:10] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:41:10] [INFO ] Invariant cache hit.
[2026-05-31 03:41:10] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 2/434 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 32768
At refinement iteration 6 (INCLUDED_ONLY) 0/434 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 33/467 variables, 20/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD size :27974 after 356943
At refinement iteration 8 (INCLUDED_ONLY) 0/467 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 3/470 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/470 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 1124/1594 variables, 470/511 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1594 variables, 120/631 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 0/631 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 2/1596 variables, 2/633 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1596 variables, 1/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1596/1596 variables, and 634 constraints, problems are : Problem set: 0 solved, 3 unsolved in 3420 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 9/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 1124/1594 variables, 470/520 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 120/640 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1594 variables, 3/643 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 65536
SDD size :356943 after 557338
At refinement iteration 15 (INCLUDED_ONLY) 0/1594 variables, 0/643 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 2/1596 variables, 2/645 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1596 variables, 1/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1596 variables, 0/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 0/1596 variables, 0/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1596/1596 variables, and 646 constraints, problems are : Problem set: 0 solved, 3 unsolved in 10971 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14402ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 2446 ms.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 20 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 20 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 03:41:26] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:41:26] [INFO ] Invariant cache hit.
[2026-05-31 03:41:28] [INFO ] Implicit Places using invariants in 1630 ms returned []
[2026-05-31 03:41:28] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:41:28] [INFO ] Invariant cache hit.
[2026-05-31 03:41:29] [INFO ] State equation strengthened by 120 read => feed constraints.
Detected timeout of ITS tools.
[2026-05-31 03:41:44] [INFO ] Flatten gal took : 34 ms
[2026-05-31 03:41:44] [INFO ] Applying decomposition
[2026-05-31 03:41:44] [INFO ] Flatten gal took : 37 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph5520212019178147718.txt' '-o' '/tmp/graph5520212019178147718.bin' '-w' '/tmp/graph5520212019178147718.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph5520212019178147718.bin' '-l' '-1' '-v' '-w' '/tmp/graph5520212019178147718.weights' '-q' '0' '-e' '0.001'
[2026-05-31 03:41:44] [INFO ] Decomposing Gal with order
[2026-05-31 03:41:44] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 03:41:44] [INFO ] Removed a total of 1113 redundant transitions.
[2026-05-31 03:41:44] [INFO ] Flatten gal took : 104 ms
[2026-05-31 03:41:44] [INFO ] Fuse similar labels procedure discarded/fused a total of 777 labels/synchronizations in 19 ms.
[2026-05-31 03:41:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5984257013121353462.gal : 8 ms
[2026-05-31 03:41:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2612081519012268430.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5984257013121353462.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2612081519012268430.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/ReachabilityCardinality2612081519012268430.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 13
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :13 after 18
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :18 after 24
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :24 after 26
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :26 after 28
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :28 after 122
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :122 after 450
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :450 after 1370
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :1370 after 1560
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :1560 after 1992
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :1992 after 3026
[2026-05-31 03:41:52] [INFO ] Implicit Places using invariants and state equation in 23981 ms returned []
Implicit Place search using SMT with State Equation took 25615 ms to find 0 implicit places.
[2026-05-31 03:41:52] [INFO ] Redundant transitions in 21 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25665 ms. Remains : 472/472 places, 1144/1144 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 20 place count 472 transition count 1124
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -40
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 40 place count 462 transition count 1164
Drop transitions (Redundant composition of simpler transitions.) removed 40 transitions
Redundant transition composition rules discarded 40 transitions
Iterating global reduction 1 with 40 rules applied. Total rules applied 80 place count 462 transition count 1124
Free-agglomeration rule applied 10 times.
Iterating global reduction 1 with 10 rules applied. Total rules applied 90 place count 462 transition count 1114
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 100 place count 452 transition count 1114
Free-agglomeration rule (complex) applied 10 times.
Iterating global reduction 2 with 10 rules applied. Total rules applied 110 place count 452 transition count 1104
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 120 place count 442 transition count 1104
Applied a total of 120 rules in 85 ms. Remains 442 /472 variables (removed 30) and now considering 1104/1144 (removed 40) transitions.
Running SMT prover for 3 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11572416926017319370.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10085626132512893677.kers'
[2026-05-31 03:41:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11572416926017319370.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10085626132512893677.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1104 rows 437 cols 5312 entries
Finished phase 1 with 210 SingleSign rule and 190 generalized
[2026-05-31 03:41:52] [INFO ] Computed 42 invariants in 9 ms
Computed 42 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-10085626132512893677.kers
Total runtime 11 ms.
[2026-05-31 03:41:52] [INFO ] [Real]Absence check using 17 positive place invariants in 18 ms returned sat
[2026-05-31 03:41:52] [INFO ] [Real]Absence check using 17 positive and 25 generalized place invariants in 30 ms returned sat
[2026-05-31 03:41:52] [INFO ] After 191ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2026-05-31 03:41:53] [INFO ] [Nat]Absence check using 17 positive place invariants in 17 ms returned sat
[2026-05-31 03:41:53] [INFO ] [Nat]Absence check using 17 positive and 25 generalized place invariants in 37 ms returned sat
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :3026 after 5138
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :5138 after 6676
[2026-05-31 03:42:05] [INFO ] After 12115ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
[2026-05-31 03:42:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1079 ms
TRAPS : Iteration 1
SDD proceeding with computation,3 properties remain. new max is 32768
[2026-05-31 03:42:09] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1245 ms
SDD size :6676 after 14622
[2026-05-31 03:42:12] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 2516 ms
TRAPS : Iteration 2
[2026-05-31 03:42:14] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 456 ms
TRAPS : Iteration 3
[2026-05-31 03:42:17] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 2077 ms
TRAPS : Iteration 4
[2026-05-31 03:42:18] [INFO ] After 25886ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2026-05-31 03:42:19] [INFO ] After 26946ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
[2026-05-31 03:42:19] [INFO ] Flatten gal took : 34 ms
[2026-05-31 03:42:19] [INFO ] Flatten gal took : 33 ms
[2026-05-31 03:42:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1697533790984049809.gal : 6 ms
[2026-05-31 03:42:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9506146922599029160.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/ReachabilityCardinality1697533790984049809.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9506146922599029160.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/ReachabilityCardinality9506146922599029160.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :9 after 11
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :11 after 12
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :12 after 13
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :13 after 18
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :18 after 103
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :103 after 262
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :262 after 3627
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :3627 after 6557
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :6557 after 13945
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :13945 after 16275
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :16275 after 24239
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :24239 after 59431
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :59431 after 203795
SDD proceeding with computation,3 properties remain. new max is 65536
SDD size :14622 after 96214
Detected timeout of ITS tools.
Detected timeout of ITS tools.
[2026-05-31 03:42:35] [INFO ] Flatten gal took : 40 ms
[2026-05-31 03:42:35] [INFO ] Applying decomposition
[2026-05-31 03:42:35] [INFO ] Flatten gal took : 53 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph8386937856083859641.txt' '-o' '/tmp/graph8386937856083859641.bin' '-w' '/tmp/graph8386937856083859641.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph8386937856083859641.bin' '-l' '-1' '-v' '-w' '/tmp/graph8386937856083859641.weights' '-q' '0' '-e' '0.001'
[2026-05-31 03:42:35] [INFO ] Decomposing Gal with order
[2026-05-31 03:42:35] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 03:42:35] [INFO ] Removed a total of 933 redundant transitions.
[2026-05-31 03:42:35] [INFO ] Flatten gal took : 130 ms
[2026-05-31 03:42:35] [INFO ] Fuse similar labels procedure discarded/fused a total of 872 labels/synchronizations in 21 ms.
[2026-05-31 03:42:35] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10594419286938989248.gal : 8 ms
[2026-05-31 03:42:35] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9625296334191972597.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/ReachabilityCardinality10594419286938989248.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9625296334191972597.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/ReachabilityCardinality9625296334191972597.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :7 after 13
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :13 after 14
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :14 after 15
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :15 after 22
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :22 after 110
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :110 after 138
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :138 after 245
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :245 after 8272
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :8272 after 8628
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :8628 after 9840
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :9840 after 16421
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :16421 after 96509
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 57894 ms.
Current structural bounds on expressions (after reachability check) : Max Seen:[2, 1] Max Struct:[531, 4]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15295986471447762119.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16553708925846526890.kers'
[2026-05-31 03:42:50] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15295986471447762119.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16553708925846526890.kers]
Normalized transition count is 1124 out of 1144 initially.
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 03:42:50] [INFO ] Computed 42 invariants in 11 ms
Computed 42 P flows in 12 ms.
Exported basis to /tmp/petrispot-output-16553708925846526890.kers
Total runtime 14 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 1] Max Struct:[531, 4]
RANDOM walk for 1000000 steps (326 resets) in 7113 ms. (140 steps per ms)
BEST_FIRST walk for 2000002 steps (136 resets) in 6957 ms. (287 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 1] Max Struct:[531, 4]
[2026-05-31 03:43:04] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15470991134339748686.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16051834145813576458.kers'
[2026-05-31 03:43:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15470991134339748686.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16051834145813576458.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 03:43:04] [INFO ] Computed 42 invariants in 10 ms
Computed 42 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-16051834145813576458.kers
Total runtime 11 ms.
[2026-05-31 03:43:04] [INFO ] [Real]Absence check using 14 positive place invariants in 10 ms returned sat
[2026-05-31 03:43:04] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 36 ms returned sat
[2026-05-31 03:43:06] [INFO ] [Real]Absence check using state equation in 1878 ms returned sat
[2026-05-31 03:43:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:43:06] [INFO ] [Nat]Absence check using 14 positive place invariants in 10 ms returned sat
[2026-05-31 03:43:06] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 28 ms returned sat
[2026-05-31 03:43:08] [INFO ] [Nat]Absence check using state equation in 1765 ms returned sat
[2026-05-31 03:43:08] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:43:09] [INFO ] [Nat]Added 120 Read/Feed constraints in 569 ms returned sat
[2026-05-31 03:43:09] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 87 ms.
[2026-05-31 03:43:10] [INFO ] Added : 20 causal constraints over 4 iterations in 891 ms. Result :sat
Minimization took 5210 ms.
[2026-05-31 03:43:15] [INFO ] [Real]Absence check using 14 positive place invariants in 11 ms returned sat
[2026-05-31 03:43:15] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 28 ms returned sat
[2026-05-31 03:43:17] [INFO ] [Real]Absence check using state equation in 1989 ms returned sat
[2026-05-31 03:43:17] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:43:17] [INFO ] [Nat]Absence check using 14 positive place invariants in 10 ms returned sat
[2026-05-31 03:43:17] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 30 ms returned sat
[2026-05-31 03:43:22] [INFO ] [Nat]Absence check using state equation in 5278 ms returned sat
[2026-05-31 03:43:23] [INFO ] [Nat]Added 120 Read/Feed constraints in 1071 ms returned sat
[2026-05-31 03:43:24] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 239 ms
[2026-05-31 03:43:24] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 81 ms.
[2026-05-31 03:43:25] [INFO ] Added : 42 causal constraints over 9 iterations in 1458 ms. Result :sat
Minimization took 5180 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 1] Max Struct:[531, 4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 1] Max Struct:[531, 4]
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 23 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 20 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 03:43:30] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:43:30] [INFO ] Invariant cache hit.
[2026-05-31 03:43:32] [INFO ] Implicit Places using invariants in 1616 ms returned []
[2026-05-31 03:43:32] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:43:32] [INFO ] Invariant cache hit.
[2026-05-31 03:43:34] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:43:57] [INFO ] Implicit Places using invariants and state equation in 25184 ms returned []
Implicit Place search using SMT with State Equation took 26813 ms to find 0 implicit places.
[2026-05-31 03:43:57] [INFO ] Redundant transitions in 21 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26865 ms. Remains : 472/472 places, 1144/1144 transitions.
[2026-05-31 03:43:57] [INFO ] Flatten gal took : 44 ms
[2026-05-31 03:43:57] [INFO ] Flatten gal took : 37 ms
[2026-05-31 03:43:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13480486528314284590.gal : 8 ms
[2026-05-31 03:43:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6054948742505478343.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/ReachabilityCardinality13480486528314284590.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6054948742505478343.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
RANDOM walk for 40001 steps (17 resets) in 516 ms. (77 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (12 resets) in 303 ms. (131 steps per ms) remains 4/4 properties
Loading property file /tmp/ReachabilityCardinality6054948742505478343.prop.
BEST_FIRST walk for 40002 steps (8 resets) in 281 ms. (141 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 303 ms. (131 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (8 resets) in 265 ms. (150 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :12 after 14
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :14 after 16
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :16 after 17
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :17 after 28
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :28 after 38
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :38 after 270
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :270 after 1832
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :1832 after 2040
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :2040 after 4460
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :4460 after 8266
Interrupted probabilistic random walk after 99980 steps, run timeout after 3001 ms. (steps per millisecond=33 ) properties seen :0 out of 4
Probabilistic random walk after 99980 steps, saw 64761 distinct states, run finished after 3001 ms. (steps per millisecond=33 ) properties seen :0
[2026-05-31 03:44:01] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:44:01] [INFO ] Invariant cache hit.
[2026-05-31 03:44:01] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem MAX0 is UNSAT
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 4/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :8266 after 11168
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/42 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/42 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/45 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/45 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Solver is answering 'unknown', stopping.
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :11168 after 27974
After SMT solving in domain Real declared 1594/1596 variables, and 515 constraints, problems are : Problem set: 1 solved, 3 unsolved in 4066 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 470/472 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 4/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 5/26 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/432 variables, 0/26 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 2/434 variables, 1/27 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/434 variables, 0/27 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 33/467 variables, 20/47 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 1124/1594 variables, 470/520 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1594/1596 variables, and 640 constraints, problems are : Problem set: 1 solved, 3 unsolved in 5024 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 470/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 0/4 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9106ms problems are : Problem set: 1 solved, 3 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 22 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36 ms. Remains : 472/472 places, 1144/1144 transitions.
RANDOM walk for 40000 steps (15 resets) in 664 ms. (60 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (10 resets) in 400 ms. (99 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 246 ms. (161 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 217 ms. (183 steps per ms) remains 3/3 properties
SDD proceeding with computation,4 properties remain. new max is 32768
SDD size :27974 after 356943
Interrupted probabilistic random walk after 106037 steps, run timeout after 3001 ms. (steps per millisecond=35 ) properties seen :0 out of 3
Probabilistic random walk after 106037 steps, saw 68487 distinct states, run finished after 3001 ms. (steps per millisecond=35 ) properties seen :0
[2026-05-31 03:44:13] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:44:13] [INFO ] Invariant cache hit.
[2026-05-31 03:44:13] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 2/434 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/434 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 33/467 variables, 20/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/467 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 3/470 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/470 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 1124/1594 variables, 470/511 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1594 variables, 120/631 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 0/631 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 2/1596 variables, 2/633 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1596 variables, 1/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1596/1596 variables, and 634 constraints, problems are : Problem set: 0 solved, 3 unsolved in 3438 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 9/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 1124/1594 variables, 470/520 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 120/640 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 65536
SDD size :356943 after 557338
At refinement iteration 14 (INCLUDED_ONLY) 0/1594 variables, 3/643 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1594 variables, 0/643 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 2/1596 variables, 2/645 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1596 variables, 1/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1596 variables, 0/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 0/1596 variables, 0/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1596/1596 variables, and 646 constraints, problems are : Problem set: 0 solved, 3 unsolved in 11675 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 15124ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 6245 ms.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 20 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 18 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 03:44:35] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:44:35] [INFO ] Invariant cache hit.
[2026-05-31 03:44:36] [INFO ] Implicit Places using invariants in 1527 ms returned []
[2026-05-31 03:44:36] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:44:36] [INFO ] Invariant cache hit.
[2026-05-31 03:44:38] [INFO ] State equation strengthened by 120 read => feed constraints.
Detected timeout of ITS tools.
[2026-05-31 03:44:47] [INFO ] Flatten gal took : 36 ms
[2026-05-31 03:44:47] [INFO ] Applying decomposition
[2026-05-31 03:44:48] [INFO ] Flatten gal took : 58 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph14742961676988498075.txt' '-o' '/tmp/graph14742961676988498075.bin' '-w' '/tmp/graph14742961676988498075.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph14742961676988498075.bin' '-l' '-1' '-v' '-w' '/tmp/graph14742961676988498075.weights' '-q' '0' '-e' '0.001'
[2026-05-31 03:44:48] [INFO ] Decomposing Gal with order
[2026-05-31 03:44:48] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 03:44:48] [INFO ] Removed a total of 1064 redundant transitions.
[2026-05-31 03:44:48] [INFO ] Flatten gal took : 109 ms
[2026-05-31 03:44:48] [INFO ] Fuse similar labels procedure discarded/fused a total of 745 labels/synchronizations in 18 ms.
[2026-05-31 03:44:48] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9953849537519214511.gal : 8 ms
[2026-05-31 03:44:48] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2980857300171768888.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/ReachabilityCardinality9953849537519214511.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2980857300171768888.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/ReachabilityCardinality2980857300171768888.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 13
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :13 after 14
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :14 after 15
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :15 after 17
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :17 after 23
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :23 after 33
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :33 after 49
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :49 after 177
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :2070 after 2336
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :2336 after 2992
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :2992 after 6468
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :6468 after 7650
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :7650 after 20490
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :20490 after 40648
[2026-05-31 03:45:01] [INFO ] Implicit Places using invariants and state equation in 24353 ms returned []
Implicit Place search using SMT with State Equation took 25893 ms to find 0 implicit places.
[2026-05-31 03:45:01] [INFO ] Redundant transitions in 22 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25944 ms. Remains : 472/472 places, 1144/1144 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 20 place count 472 transition count 1124
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -40
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 40 place count 462 transition count 1164
Drop transitions (Redundant composition of simpler transitions.) removed 40 transitions
Redundant transition composition rules discarded 40 transitions
Iterating global reduction 1 with 40 rules applied. Total rules applied 80 place count 462 transition count 1124
Free-agglomeration rule applied 10 times.
Iterating global reduction 1 with 10 rules applied. Total rules applied 90 place count 462 transition count 1114
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 100 place count 452 transition count 1114
Free-agglomeration rule (complex) applied 10 times.
Iterating global reduction 2 with 10 rules applied. Total rules applied 110 place count 452 transition count 1104
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 120 place count 442 transition count 1104
Applied a total of 120 rules in 87 ms. Remains 442 /472 variables (removed 30) and now considering 1104/1144 (removed 40) transitions.
Running SMT prover for 3 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4960584356603116460.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11131770283213314574.kers'
[2026-05-31 03:45:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4960584356603116460.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11131770283213314574.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 2 ms.
// Phase 1: matrix 1104 rows 437 cols 5312 entries
Finished phase 1 with 210 SingleSign rule and 190 generalized
[2026-05-31 03:45:01] [INFO ] Computed 42 invariants in 20 ms
Computed 42 P flows in 21 ms.
Exported basis to /tmp/petrispot-output-11131770283213314574.kers
Total runtime 24 ms.
[2026-05-31 03:45:01] [INFO ] [Real]Absence check using 17 positive place invariants in 26 ms returned sat
[2026-05-31 03:45:01] [INFO ] [Real]Absence check using 17 positive and 25 generalized place invariants in 46 ms returned sat
[2026-05-31 03:45:01] [INFO ] After 257ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2026-05-31 03:45:01] [INFO ] [Nat]Absence check using 17 positive place invariants in 26 ms returned sat
[2026-05-31 03:45:01] [INFO ] [Nat]Absence check using 17 positive and 25 generalized place invariants in 58 ms returned sat
SDD proceeding with computation,3 properties remain. new max is 65536
SDD size :40648 after 70102
[2026-05-31 03:45:14] [INFO ] After 12248ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
[2026-05-31 03:45:17] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 777 ms
TRAPS : Iteration 1
[2026-05-31 03:45:18] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1073 ms
[2026-05-31 03:45:22] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 2835 ms
TRAPS : Iteration 2
[2026-05-31 03:45:24] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 534 ms
TRAPS : Iteration 3
SDD proceeding with computation,3 properties remain. new max is 131072
SDD size :70102 after 186738
[2026-05-31 03:45:27] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 2052 ms
TRAPS : Iteration 4
[2026-05-31 03:45:28] [INFO ] After 26491ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2026-05-31 03:45:29] [INFO ] After 27597ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
[2026-05-31 03:45:29] [INFO ] Flatten gal took : 39 ms
[2026-05-31 03:45:29] [INFO ] Flatten gal took : 37 ms
[2026-05-31 03:45:29] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality662374493647005199.gal : 8 ms
[2026-05-31 03:45:29] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11041851857201063343.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/ReachabilityCardinality662374493647005199.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11041851857201063343.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/ReachabilityCardinality11041851857201063343.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :9 after 11
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :11 after 12
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :12 after 13
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :13 after 18
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :18 after 103
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :103 after 262
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :262 after 3627
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :3627 after 6557
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :6557 after 13945
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :13945 after 16275
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :16275 after 24239
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :24239 after 59431
Detected timeout of ITS tools.
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :59431 after 203795
Detected timeout of ITS tools.
[2026-05-31 03:45:44] [INFO ] Flatten gal took : 37 ms
[2026-05-31 03:45:44] [INFO ] Applying decomposition
[2026-05-31 03:45:44] [INFO ] Flatten gal took : 46 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph2537362250567430524.txt' '-o' '/tmp/graph2537362250567430524.bin' '-w' '/tmp/graph2537362250567430524.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph2537362250567430524.bin' '-l' '-1' '-v' '-w' '/tmp/graph2537362250567430524.weights' '-q' '0' '-e' '0.001'
[2026-05-31 03:45:44] [INFO ] Decomposing Gal with order
[2026-05-31 03:45:44] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 03:45:44] [INFO ] Removed a total of 1122 redundant transitions.
[2026-05-31 03:45:44] [INFO ] Flatten gal took : 112 ms
[2026-05-31 03:45:44] [INFO ] Fuse similar labels procedure discarded/fused a total of 956 labels/synchronizations in 21 ms.
[2026-05-31 03:45:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16683146325633653230.gal : 7 ms
[2026-05-31 03:45:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13542930595773371104.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/ReachabilityCardinality16683146325633653230.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13542930595773371104.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/ReachabilityCardinality13542930595773371104.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :8 after 9
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :9 after 10
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :10 after 11
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :11 after 13
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :13 after 73
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :73 after 260
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :260 after 815
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :815 after 979
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :979 after 1537
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :1537 after 3801
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :3801 after 14881
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :14881 after 56181
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 58598 ms.
Current structural bounds on expressions (after reachability check) : Max Seen:[2, 1] Max Struct:[530, 4]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18255616050418483755.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2914122414564135963.kers'
[2026-05-31 03:45:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18255616050418483755.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2914122414564135963.kers]
Normalized transition count is 1124 out of 1144 initially.
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 03:45:59] [INFO ] Computed 42 invariants in 9 ms
Computed 42 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-2914122414564135963.kers
Total runtime 11 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 1] Max Struct:[530, 4]
RANDOM walk for 1000000 steps (330 resets) in 7300 ms. (136 steps per ms)
BEST_FIRST walk for 2000002 steps (143 resets) in 6448 ms. (310 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 1] Max Struct:[530, 4]
[2026-05-31 03:46:13] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2932597363198391491.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3739130789238291840.kers'
[2026-05-31 03:46:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2932597363198391491.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3739130789238291840.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 2 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 03:46:13] [INFO ] Computed 42 invariants in 16 ms
Computed 42 P flows in 25 ms.
Exported basis to /tmp/petrispot-output-3739130789238291840.kers
Total runtime 28 ms.
[2026-05-31 03:46:13] [INFO ] [Real]Absence check using 14 positive place invariants in 23 ms returned sat
[2026-05-31 03:46:13] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 43 ms returned sat
[2026-05-31 03:46:15] [INFO ] [Real]Absence check using state equation in 1562 ms returned sat
[2026-05-31 03:46:15] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:46:15] [INFO ] [Nat]Absence check using 14 positive place invariants in 11 ms returned sat
[2026-05-31 03:46:15] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 32 ms returned sat
[2026-05-31 03:46:17] [INFO ] [Nat]Absence check using state equation in 1959 ms returned sat
[2026-05-31 03:46:17] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:46:18] [INFO ] [Nat]Added 120 Read/Feed constraints in 571 ms returned sat
[2026-05-31 03:46:18] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 81 ms.
[2026-05-31 03:46:19] [INFO ] Added : 20 causal constraints over 4 iterations in 854 ms. Result :sat
Minimization took 4806 ms.
[2026-05-31 03:46:24] [INFO ] [Real]Absence check using 14 positive place invariants in 11 ms returned sat
[2026-05-31 03:46:24] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 30 ms returned sat
[2026-05-31 03:46:26] [INFO ] [Real]Absence check using state equation in 1990 ms returned sat
[2026-05-31 03:46:26] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:46:26] [INFO ] [Nat]Absence check using 14 positive place invariants in 10 ms returned sat
[2026-05-31 03:46:26] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 27 ms returned sat
[2026-05-31 03:46:31] [INFO ] [Nat]Absence check using state equation in 5364 ms returned sat
[2026-05-31 03:46:32] [INFO ] [Nat]Added 120 Read/Feed constraints in 1049 ms returned sat
[2026-05-31 03:46:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 231 ms
[2026-05-31 03:46:32] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 107 ms.
[2026-05-31 03:46:34] [INFO ] Added : 42 causal constraints over 9 iterations in 1440 ms. Result :sat
Minimization took 4980 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 1] Max Struct:[530, 4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 1] Max Struct:[530, 4]
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 19 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 18 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 03:46:39] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:46:39] [INFO ] Invariant cache hit.
[2026-05-31 03:46:41] [INFO ] Implicit Places using invariants in 2007 ms returned []
[2026-05-31 03:46:41] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:46:41] [INFO ] Invariant cache hit.
[2026-05-31 03:46:42] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:47:05] [INFO ] Implicit Places using invariants and state equation in 24668 ms returned []
Implicit Place search using SMT with State Equation took 26680 ms to find 0 implicit places.
[2026-05-31 03:47:06] [INFO ] Redundant transitions in 22 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26734 ms. Remains : 472/472 places, 1144/1144 transitions.
[2026-05-31 03:47:06] [INFO ] Flatten gal took : 84 ms
[2026-05-31 03:47:06] [INFO ] Flatten gal took : 44 ms
[2026-05-31 03:47:06] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17761639647007062098.gal : 11 ms
[2026-05-31 03:47:06] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9042691316031455226.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/ReachabilityCardinality17761639647007062098.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9042691316031455226.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
RANDOM walk for 40000 steps (17 resets) in 766 ms. (52 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (11 resets) in 285 ms. (139 steps per ms) remains 4/4 properties
Loading property file /tmp/ReachabilityCardinality9042691316031455226.prop.
BEST_FIRST walk for 40003 steps (14 resets) in 411 ms. (97 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 404 ms. (98 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (8 resets) in 325 ms. (122 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :12 after 14
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :14 after 16
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :16 after 17
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :17 after 28
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :28 after 38
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :38 after 270
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :270 after 1832
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :1832 after 2040
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :2040 after 4460
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :4460 after 8266
Interrupted probabilistic random walk after 106958 steps, run timeout after 3001 ms. (steps per millisecond=35 ) properties seen :0 out of 4
Probabilistic random walk after 106958 steps, saw 69052 distinct states, run finished after 3001 ms. (steps per millisecond=35 ) properties seen :0
[2026-05-31 03:47:09] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:47:09] [INFO ] Invariant cache hit.
[2026-05-31 03:47:09] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem MAX0 is UNSAT
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 4/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/42 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/42 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/45 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/45 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :8266 after 11168
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1594/1596 variables, and 515 constraints, problems are : Problem set: 1 solved, 3 unsolved in 3965 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 470/472 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 4/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :11168 after 27974
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 5/26 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/432 variables, 0/26 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 2/434 variables, 1/27 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/434 variables, 0/27 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 33/467 variables, 20/47 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 1124/1594 variables, 470/520 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Solver is answering 'unknown', stopping.
Error getting values : (error "Timeout of Z3 solver reached")
After SMT solving in domain Int declared 1594/1596 variables, and 640 constraints, problems are : Problem set: 1 solved, 3 unsolved in 5014 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 470/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 0/4 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8990ms problems are : Problem set: 1 solved, 3 unsolved
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 20 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 472/472 places, 1144/1144 transitions.
RANDOM walk for 40000 steps (17 resets) in 505 ms. (79 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (12 resets) in 233 ms. (170 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (8 resets) in 170 ms. (233 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (8 resets) in 164 ms. (242 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 119159 steps, run timeout after 3001 ms. (steps per millisecond=39 ) properties seen :0 out of 3
Probabilistic random walk after 119159 steps, saw 76626 distinct states, run finished after 3004 ms. (steps per millisecond=39 ) properties seen :0
[2026-05-31 03:47:22] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:47:22] [INFO ] Invariant cache hit.
[2026-05-31 03:47:22] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 2/434 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/434 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 33/467 variables, 20/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/467 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 3/470 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/470 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 32768
SDD size :27974 after 356943
At refinement iteration 11 (OVERLAPS) 1124/1594 variables, 470/511 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1594 variables, 120/631 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 0/631 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 2/1596 variables, 2/633 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1596 variables, 1/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1596/1596 variables, and 634 constraints, problems are : Problem set: 0 solved, 3 unsolved in 3385 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 9/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 1124/1594 variables, 470/520 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 120/640 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1594 variables, 3/643 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 65536
SDD size :356943 after 557338
At refinement iteration 15 (INCLUDED_ONLY) 0/1594 variables, 0/643 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 2/1596 variables, 2/645 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1596 variables, 1/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1596 variables, 0/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 0/1596 variables, 0/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1596/1596 variables, and 646 constraints, problems are : Problem set: 0 solved, 3 unsolved in 11730 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 15125ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 5850 ms.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 20 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 19 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 03:47:43] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:47:43] [INFO ] Invariant cache hit.
[2026-05-31 03:47:44] [INFO ] Implicit Places using invariants in 1605 ms returned []
[2026-05-31 03:47:44] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:47:44] [INFO ] Invariant cache hit.
[2026-05-31 03:47:46] [INFO ] State equation strengthened by 120 read => feed constraints.
Detected timeout of ITS tools.
[2026-05-31 03:47:56] [INFO ] Flatten gal took : 37 ms
[2026-05-31 03:47:56] [INFO ] Applying decomposition
[2026-05-31 03:47:56] [INFO ] Flatten gal took : 38 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph362893108766660447.txt' '-o' '/tmp/graph362893108766660447.bin' '-w' '/tmp/graph362893108766660447.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph362893108766660447.bin' '-l' '-1' '-v' '-w' '/tmp/graph362893108766660447.weights' '-q' '0' '-e' '0.001'
[2026-05-31 03:47:56] [INFO ] Decomposing Gal with order
[2026-05-31 03:47:56] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 03:47:56] [INFO ] Removed a total of 1133 redundant transitions.
[2026-05-31 03:47:56] [INFO ] Flatten gal took : 100 ms
[2026-05-31 03:47:56] [INFO ] Fuse similar labels procedure discarded/fused a total of 666 labels/synchronizations in 19 ms.
[2026-05-31 03:47:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4604894347475444969.gal : 9 ms
[2026-05-31 03:47:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14865515911482568767.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/ReachabilityCardinality4604894347475444969.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14865515911482568767.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/ReachabilityCardinality14865515911482568767.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :9 after 11
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :11 after 13
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :13 after 29
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :29 after 33
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :33 after 42
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :42 after 60
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :60 after 245
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :245 after 1068
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :1068 after 1693
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :1693 after 17424
[2026-05-31 03:48:11] [INFO ] Implicit Places using invariants and state equation in 26313 ms returned []
Implicit Place search using SMT with State Equation took 27922 ms to find 0 implicit places.
[2026-05-31 03:48:11] [INFO ] Redundant transitions in 36 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27991 ms. Remains : 472/472 places, 1144/1144 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 20 place count 472 transition count 1124
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -40
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 40 place count 462 transition count 1164
Drop transitions (Redundant composition of simpler transitions.) removed 40 transitions
Redundant transition composition rules discarded 40 transitions
Iterating global reduction 1 with 40 rules applied. Total rules applied 80 place count 462 transition count 1124
Free-agglomeration rule applied 10 times.
Iterating global reduction 1 with 10 rules applied. Total rules applied 90 place count 462 transition count 1114
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 100 place count 452 transition count 1114
Free-agglomeration rule (complex) applied 10 times.
Iterating global reduction 2 with 10 rules applied. Total rules applied 110 place count 452 transition count 1104
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 120 place count 442 transition count 1104
Applied a total of 120 rules in 153 ms. Remains 442 /472 variables (removed 30) and now considering 1104/1144 (removed 40) transitions.
Running SMT prover for 3 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6429641224359811198.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8090334758885413229.kers'
[2026-05-31 03:48:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6429641224359811198.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8090334758885413229.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1104 rows 437 cols 5312 entries
Finished phase 1 with 210 SingleSign rule and 190 generalized
[2026-05-31 03:48:11] [INFO ] Computed 42 invariants in 9 ms
Computed 42 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-8090334758885413229.kers
Total runtime 12 ms.
[2026-05-31 03:48:11] [INFO ] [Real]Absence check using 17 positive place invariants in 19 ms returned sat
[2026-05-31 03:48:11] [INFO ] [Real]Absence check using 17 positive and 25 generalized place invariants in 33 ms returned sat
[2026-05-31 03:48:11] [INFO ] After 234ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2026-05-31 03:48:11] [INFO ] [Nat]Absence check using 17 positive place invariants in 19 ms returned sat
[2026-05-31 03:48:11] [INFO ] [Nat]Absence check using 17 positive and 25 generalized place invariants in 38 ms returned sat
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :17424 after 28434
[2026-05-31 03:48:23] [INFO ] After 11860ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
[2026-05-31 03:48:26] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 681 ms
TRAPS : Iteration 1
[2026-05-31 03:48:28] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1070 ms
[2026-05-31 03:48:31] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 2862 ms
TRAPS : Iteration 2
[2026-05-31 03:48:34] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 677 ms
TRAPS : Iteration 3
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :36972 after 38497
[2026-05-31 03:48:38] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 2249 ms
TRAPS : Iteration 4
[2026-05-31 03:48:39] [INFO ] After 28128ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2026-05-31 03:48:41] [INFO ] After 29493ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
[2026-05-31 03:48:41] [INFO ] Flatten gal took : 46 ms
[2026-05-31 03:48:41] [INFO ] Flatten gal took : 35 ms
[2026-05-31 03:48:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality331475463775678928.gal : 9 ms
[2026-05-31 03:48:41] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12654693686827748833.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/ReachabilityCardinality331475463775678928.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12654693686827748833.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/ReachabilityCardinality12654693686827748833.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :9 after 11
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :11 after 12
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :12 after 13
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :13 after 18
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :18 after 103
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :103 after 262
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :262 after 3627
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :3627 after 6557
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :6557 after 13945
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :13945 after 16275
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :16275 after 24239
Detected timeout of ITS tools.
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :24239 after 59431
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :59431 after 203795
Detected timeout of ITS tools.
[2026-05-31 03:48:56] [INFO ] Flatten gal took : 32 ms
[2026-05-31 03:48:56] [INFO ] Applying decomposition
[2026-05-31 03:48:56] [INFO ] Flatten gal took : 33 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph1183472066689132972.txt' '-o' '/tmp/graph1183472066689132972.bin' '-w' '/tmp/graph1183472066689132972.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph1183472066689132972.bin' '-l' '-1' '-v' '-w' '/tmp/graph1183472066689132972.weights' '-q' '0' '-e' '0.001'
[2026-05-31 03:48:56] [INFO ] Decomposing Gal with order
[2026-05-31 03:48:56] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 03:48:56] [INFO ] Removed a total of 1228 redundant transitions.
[2026-05-31 03:48:56] [INFO ] Flatten gal took : 114 ms
[2026-05-31 03:48:56] [INFO ] Fuse similar labels procedure discarded/fused a total of 969 labels/synchronizations in 21 ms.
[2026-05-31 03:48:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12747013660973923049.gal : 7 ms
[2026-05-31 03:48:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8140348861965616226.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/ReachabilityCardinality12747013660973923049.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8140348861965616226.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/ReachabilityCardinality8140348861965616226.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :4 after 13
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :13 after 14
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :14 after 21
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :21 after 23
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :23 after 43
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :43 after 102
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :102 after 507
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :507 after 1647
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :1647 after 7897
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :7897 after 9186
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 60500 ms.
Current structural bounds on expressions (after reachability check) : Max Seen:[2, 1] Max Struct:[529, 4]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12280756769804922231.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11082852434467179880.kers'
[2026-05-31 03:49:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12280756769804922231.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11082852434467179880.kers]
Normalized transition count is 1124 out of 1144 initially.
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 03:49:11] [INFO ] Computed 42 invariants in 9 ms
Computed 42 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-11082852434467179880.kers
Total runtime 11 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 1] Max Struct:[529, 4]
RANDOM walk for 1000000 steps (349 resets) in 6628 ms. (150 steps per ms)
BEST_FIRST walk for 2000001 steps (124 resets) in 5766 ms. (346 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 1] Max Struct:[529, 4]
[2026-05-31 03:49:24] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8549797778485300937.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8882439590219074333.kers'
[2026-05-31 03:49:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8549797778485300937.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8882439590219074333.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 03:49:24] [INFO ] Computed 42 invariants in 10 ms
Computed 42 P flows in 14 ms.
Exported basis to /tmp/petrispot-output-8882439590219074333.kers
Total runtime 16 ms.
[2026-05-31 03:49:24] [INFO ] [Real]Absence check using 14 positive place invariants in 10 ms returned sat
[2026-05-31 03:49:24] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 38 ms returned sat
[2026-05-31 03:49:25] [INFO ] [Real]Absence check using state equation in 1669 ms returned sat
[2026-05-31 03:49:25] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:49:26] [INFO ] [Nat]Absence check using 14 positive place invariants in 10 ms returned sat
[2026-05-31 03:49:26] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 30 ms returned sat
[2026-05-31 03:49:27] [INFO ] [Nat]Absence check using state equation in 1842 ms returned sat
[2026-05-31 03:49:27] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:49:28] [INFO ] [Nat]Added 120 Read/Feed constraints in 595 ms returned sat
[2026-05-31 03:49:28] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 92 ms.
[2026-05-31 03:49:29] [INFO ] Added : 20 causal constraints over 4 iterations in 617 ms. Result :sat
Minimization took 5199 ms.
[2026-05-31 03:49:34] [INFO ] [Real]Absence check using 14 positive place invariants in 9 ms returned sat
[2026-05-31 03:49:34] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 28 ms returned sat
[2026-05-31 03:49:36] [INFO ] [Real]Absence check using state equation in 1714 ms returned sat
[2026-05-31 03:49:36] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:49:36] [INFO ] [Nat]Absence check using 14 positive place invariants in 11 ms returned sat
[2026-05-31 03:49:36] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 33 ms returned sat
[2026-05-31 03:49:41] [INFO ] [Nat]Absence check using state equation in 5504 ms returned sat
[2026-05-31 03:49:43] [INFO ] [Nat]Added 120 Read/Feed constraints in 1122 ms returned sat
[2026-05-31 03:49:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 231 ms
[2026-05-31 03:49:43] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 83 ms.
[2026-05-31 03:49:44] [INFO ] Added : 42 causal constraints over 9 iterations in 931 ms. Result :sat
Minimization took 5040 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 1] Max Struct:[529, 4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 1] Max Struct:[529, 4]
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 20 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 19 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 03:49:49] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:49:49] [INFO ] Invariant cache hit.
[2026-05-31 03:49:50] [INFO ] Implicit Places using invariants in 1596 ms returned []
[2026-05-31 03:49:50] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:49:50] [INFO ] Invariant cache hit.
[2026-05-31 03:49:52] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:50:15] [INFO ] Implicit Places using invariants and state equation in 24623 ms returned []
Implicit Place search using SMT with State Equation took 26227 ms to find 0 implicit places.
[2026-05-31 03:50:15] [INFO ] Redundant transitions in 22 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26276 ms. Remains : 472/472 places, 1144/1144 transitions.
[2026-05-31 03:50:15] [INFO ] Flatten gal took : 101 ms
[2026-05-31 03:50:15] [INFO ] Flatten gal took : 36 ms
[2026-05-31 03:50:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13721825651771853463.gal : 8 ms
[2026-05-31 03:50:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3016229228367265906.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/ReachabilityCardinality13721825651771853463.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3016229228367265906.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
RANDOM walk for 40000 steps (20 resets) in 699 ms. (57 steps per ms) remains 4/4 properties
Loading property file /tmp/ReachabilityCardinality3016229228367265906.prop.
BEST_FIRST walk for 40003 steps (9 resets) in 308 ms. (129 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (8 resets) in 316 ms. (126 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 282 ms. (141 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40001 steps (8 resets) in 266 ms. (149 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :12 after 14
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :14 after 16
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :16 after 17
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :17 after 28
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :28 after 38
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :38 after 270
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :270 after 1832
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :1832 after 2040
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :2040 after 4460
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :4460 after 8266
Interrupted probabilistic random walk after 114161 steps, run timeout after 3001 ms. (steps per millisecond=38 ) properties seen :0 out of 4
Probabilistic random walk after 114161 steps, saw 73535 distinct states, run finished after 3001 ms. (steps per millisecond=38 ) properties seen :0
[2026-05-31 03:50:19] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:50:19] [INFO ] Invariant cache hit.
[2026-05-31 03:50:19] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem MAX0 is UNSAT
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 4/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/42 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/42 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/45 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/45 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :8266 after 11168
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1594/1596 variables, and 515 constraints, problems are : Problem set: 1 solved, 3 unsolved in 3782 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 470/472 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 4/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 5/26 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/432 variables, 0/26 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 2/434 variables, 1/27 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 16384
At refinement iteration 8 (INCLUDED_ONLY) 0/434 variables, 0/27 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD size :11168 after 27974
At refinement iteration 9 (OVERLAPS) 33/467 variables, 20/47 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 1124/1594 variables, 470/520 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1594/1596 variables, and 640 constraints, problems are : Problem set: 1 solved, 3 unsolved in 5010 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 470/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 0/4 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8803ms problems are : Problem set: 1 solved, 3 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 25 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 472/472 places, 1144/1144 transitions.
RANDOM walk for 40000 steps (17 resets) in 555 ms. (71 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (11 resets) in 249 ms. (160 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (9 resets) in 236 ms. (168 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (8 resets) in 206 ms. (193 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 120005 steps, run timeout after 3001 ms. (steps per millisecond=39 ) properties seen :0 out of 3
Probabilistic random walk after 120005 steps, saw 77138 distinct states, run finished after 3001 ms. (steps per millisecond=39 ) properties seen :0
[2026-05-31 03:50:31] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:50:31] [INFO ] Invariant cache hit.
[2026-05-31 03:50:31] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 2/434 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/434 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 33/467 variables, 20/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/467 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 3/470 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/470 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 32768
SDD size :27974 after 356943
At refinement iteration 11 (OVERLAPS) 1124/1594 variables, 470/511 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1594 variables, 120/631 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 0/631 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 2/1596 variables, 2/633 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1596 variables, 1/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1596/1596 variables, and 634 constraints, problems are : Problem set: 0 solved, 3 unsolved in 3641 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 9/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 1124/1594 variables, 470/520 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 120/640 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1594 variables, 3/643 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1594 variables, 0/643 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 2/1596 variables, 2/645 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1596 variables, 1/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1596 variables, 0/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 0/1596 variables, 0/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1596/1596 variables, and 646 constraints, problems are : Problem set: 0 solved, 3 unsolved in 11075 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14739ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
SDD proceeding with computation,4 properties remain. new max is 65536
SDD size :356943 after 557338
Parikh walk visited 0 properties in 1384 ms.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 19 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 19 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 03:50:47] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:50:47] [INFO ] Invariant cache hit.
[2026-05-31 03:50:49] [INFO ] Implicit Places using invariants in 1541 ms returned []
[2026-05-31 03:50:49] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:50:49] [INFO ] Invariant cache hit.
[2026-05-31 03:50:50] [INFO ] State equation strengthened by 120 read => feed constraints.
Detected timeout of ITS tools.
[2026-05-31 03:51:05] [INFO ] Flatten gal took : 38 ms
[2026-05-31 03:51:05] [INFO ] Applying decomposition
[2026-05-31 03:51:05] [INFO ] Flatten gal took : 37 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph12047974707525747143.txt' '-o' '/tmp/graph12047974707525747143.bin' '-w' '/tmp/graph12047974707525747143.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph12047974707525747143.bin' '-l' '-1' '-v' '-w' '/tmp/graph12047974707525747143.weights' '-q' '0' '-e' '0.001'
[2026-05-31 03:51:05] [INFO ] Decomposing Gal with order
[2026-05-31 03:51:05] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 03:51:06] [INFO ] Removed a total of 884 redundant transitions.
[2026-05-31 03:51:06] [INFO ] Flatten gal took : 117 ms
[2026-05-31 03:51:06] [INFO ] Fuse similar labels procedure discarded/fused a total of 779 labels/synchronizations in 18 ms.
[2026-05-31 03:51:06] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7891779794542616105.gal : 9 ms
[2026-05-31 03:51:06] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1972752982135654873.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/ReachabilityCardinality7891779794542616105.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1972752982135654873.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/ReachabilityCardinality1972752982135654873.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :3 after 7
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :7 after 8
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :8 after 9
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :9 after 33
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :33 after 48
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :48 after 50
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :230 after 428
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :428 after 876
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :876 after 1128
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :1128 after 1658
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :1658 after 5580
[2026-05-31 03:51:13] [INFO ] Implicit Places using invariants and state equation in 24480 ms returned []
Implicit Place search using SMT with State Equation took 26028 ms to find 0 implicit places.
[2026-05-31 03:51:13] [INFO ] Redundant transitions in 23 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26077 ms. Remains : 472/472 places, 1144/1144 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 20 place count 472 transition count 1124
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -40
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 40 place count 462 transition count 1164
Drop transitions (Redundant composition of simpler transitions.) removed 40 transitions
Redundant transition composition rules discarded 40 transitions
Iterating global reduction 1 with 40 rules applied. Total rules applied 80 place count 462 transition count 1124
Free-agglomeration rule applied 10 times.
Iterating global reduction 1 with 10 rules applied. Total rules applied 90 place count 462 transition count 1114
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 100 place count 452 transition count 1114
Free-agglomeration rule (complex) applied 10 times.
Iterating global reduction 2 with 10 rules applied. Total rules applied 110 place count 452 transition count 1104
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 120 place count 442 transition count 1104
Applied a total of 120 rules in 96 ms. Remains 442 /472 variables (removed 30) and now considering 1104/1144 (removed 40) transitions.
Running SMT prover for 3 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16740708875801079142.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14109323681068681352.kers'
[2026-05-31 03:51:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16740708875801079142.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14109323681068681352.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 2 ms.
// Phase 1: matrix 1104 rows 437 cols 5312 entries
Finished phase 1 with 210 SingleSign rule and 190 generalized
[2026-05-31 03:51:13] [INFO ] Computed 42 invariants in 16 ms
Computed 42 P flows in 17 ms.
Exported basis to /tmp/petrispot-output-14109323681068681352.kers
Total runtime 19 ms.
[2026-05-31 03:51:14] [INFO ] [Real]Absence check using 17 positive place invariants in 26 ms returned sat
[2026-05-31 03:51:14] [INFO ] [Real]Absence check using 17 positive and 25 generalized place invariants in 48 ms returned sat
[2026-05-31 03:51:14] [INFO ] After 260ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2026-05-31 03:51:14] [INFO ] [Nat]Absence check using 17 positive place invariants in 25 ms returned sat
[2026-05-31 03:51:14] [INFO ] [Nat]Absence check using 17 positive and 25 generalized place invariants in 59 ms returned sat
[2026-05-31 03:51:26] [INFO ] After 12163ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :5580 after 22942
[2026-05-31 03:51:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 561 ms
TRAPS : Iteration 1
[2026-05-31 03:51:30] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 727 ms
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :22942 after 62170
[2026-05-31 03:51:33] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 2479 ms
TRAPS : Iteration 2
[2026-05-31 03:51:35] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 447 ms
TRAPS : Iteration 3
[2026-05-31 03:51:38] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 2019 ms
TRAPS : Iteration 4
[2026-05-31 03:51:39] [INFO ] After 24728ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2026-05-31 03:51:40] [INFO ] After 25850ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
[2026-05-31 03:51:40] [INFO ] Flatten gal took : 34 ms
[2026-05-31 03:51:40] [INFO ] Flatten gal took : 34 ms
[2026-05-31 03:51:40] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10888255960943742755.gal : 7 ms
[2026-05-31 03:51:40] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7874543242006274853.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/ReachabilityCardinality10888255960943742755.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7874543242006274853.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/ReachabilityCardinality7874543242006274853.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :9 after 11
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :11 after 12
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :12 after 13
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :13 after 18
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :18 after 103
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :103 after 262
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :262 after 3627
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :3627 after 6557
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :6557 after 13945
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :13945 after 16275
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :16275 after 24239
SDD proceeding with computation,3 properties remain. new max is 65536
SDD size :62170 after 162890
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :24239 after 59431
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :59431 after 203795
Detected timeout of ITS tools.
[2026-05-31 03:51:55] [INFO ] Flatten gal took : 36 ms
[2026-05-31 03:51:55] [INFO ] Applying decomposition
[2026-05-31 03:51:55] [INFO ] Flatten gal took : 38 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph5782769997914180870.txt' '-o' '/tmp/graph5782769997914180870.bin' '-w' '/tmp/graph5782769997914180870.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph5782769997914180870.bin' '-l' '-1' '-v' '-w' '/tmp/graph5782769997914180870.weights' '-q' '0' '-e' '0.001'
[2026-05-31 03:51:55] [INFO ] Decomposing Gal with order
[2026-05-31 03:51:55] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 03:51:55] [INFO ] Removed a total of 1171 redundant transitions.
[2026-05-31 03:51:55] [INFO ] Flatten gal took : 145 ms
[2026-05-31 03:51:55] [INFO ] Fuse similar labels procedure discarded/fused a total of 1036 labels/synchronizations in 24 ms.
[2026-05-31 03:51:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9333492470648692534.gal : 9 ms
[2026-05-31 03:51:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3025769197857438528.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/ReachabilityCardinality9333492470648692534.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3025769197857438528.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/ReachabilityCardinality3025769197857438528.prop.
Detected timeout of ITS tools.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :12 after 13
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :13 after 14
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :14 after 16
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :16 after 22
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :22 after 37
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :37 after 87
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :87 after 147
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :147 after 371
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :371 after 1807
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :1807 after 8961
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :8961 after 12168
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 56895 ms.
Current structural bounds on expressions (after reachability check) : Max Seen:[2, 1] Max Struct:[528, 4]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7833373979891884230.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5503438580519473378.kers'
[2026-05-31 03:52:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7833373979891884230.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5503438580519473378.kers]
Normalized transition count is 1124 out of 1144 initially.
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 03:52:10] [INFO ] Computed 42 invariants in 10 ms
Computed 42 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-5503438580519473378.kers
Total runtime 12 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 1] Max Struct:[528, 4]
RANDOM walk for 1000000 steps (344 resets) in 6832 ms. (146 steps per ms)
BEST_FIRST walk for 2000001 steps (127 resets) in 5728 ms. (349 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 1] Max Struct:[528, 4]
[2026-05-31 03:52:23] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8759456480260937433.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1277684125159826609.kers'
[2026-05-31 03:52:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8759456480260937433.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1277684125159826609.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 03:52:23] [INFO ] Computed 42 invariants in 10 ms
Computed 42 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-1277684125159826609.kers
Total runtime 12 ms.
[2026-05-31 03:52:23] [INFO ] [Real]Absence check using 14 positive place invariants in 9 ms returned sat
[2026-05-31 03:52:23] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 32 ms returned sat
[2026-05-31 03:52:25] [INFO ] [Real]Absence check using state equation in 1577 ms returned sat
[2026-05-31 03:52:25] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:52:25] [INFO ] [Nat]Absence check using 14 positive place invariants in 10 ms returned sat
[2026-05-31 03:52:25] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 28 ms returned sat
[2026-05-31 03:52:26] [INFO ] [Nat]Absence check using state equation in 1798 ms returned sat
[2026-05-31 03:52:27] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:52:27] [INFO ] [Nat]Added 120 Read/Feed constraints in 578 ms returned sat
[2026-05-31 03:52:27] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 86 ms.
[2026-05-31 03:52:28] [INFO ] Added : 20 causal constraints over 4 iterations in 632 ms. Result :sat
Minimization took 5159 ms.
[2026-05-31 03:52:33] [INFO ] [Real]Absence check using 14 positive place invariants in 9 ms returned sat
[2026-05-31 03:52:33] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 29 ms returned sat
[2026-05-31 03:52:35] [INFO ] [Real]Absence check using state equation in 1624 ms returned sat
[2026-05-31 03:52:35] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:52:35] [INFO ] [Nat]Absence check using 14 positive place invariants in 11 ms returned sat
[2026-05-31 03:52:35] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 30 ms returned sat
[2026-05-31 03:52:40] [INFO ] [Nat]Absence check using state equation in 5275 ms returned sat
[2026-05-31 03:52:41] [INFO ] [Nat]Added 120 Read/Feed constraints in 1085 ms returned sat
[2026-05-31 03:52:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 235 ms
[2026-05-31 03:52:42] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 88 ms.
[2026-05-31 03:52:42] [INFO ] Added : 42 causal constraints over 9 iterations in 921 ms. Result :sat
Minimization took 4926 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 1] Max Struct:[528, 4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 1] Max Struct:[528, 4]
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 22 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 22 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 03:52:47] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:52:47] [INFO ] Invariant cache hit.
[2026-05-31 03:52:49] [INFO ] Implicit Places using invariants in 1498 ms returned []
[2026-05-31 03:52:49] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:52:49] [INFO ] Invariant cache hit.
[2026-05-31 03:52:50] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:53:13] [INFO ] Implicit Places using invariants and state equation in 24182 ms returned []
Implicit Place search using SMT with State Equation took 25702 ms to find 0 implicit places.
[2026-05-31 03:53:13] [INFO ] Redundant transitions in 22 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25756 ms. Remains : 472/472 places, 1144/1144 transitions.
[2026-05-31 03:53:13] [INFO ] Flatten gal took : 69 ms
[2026-05-31 03:53:13] [INFO ] Flatten gal took : 87 ms
[2026-05-31 03:53:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6763622948951040972.gal : 7 ms
[2026-05-31 03:53:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality598844668129992489.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/ReachabilityCardinality6763622948951040972.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality598844668129992489.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 ...327
RANDOM walk for 40000 steps (17 resets) in 729 ms. (54 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (11 resets) in 328 ms. (121 steps per ms) remains 4/4 properties
Loading property file /tmp/ReachabilityCardinality598844668129992489.prop.
BEST_FIRST walk for 40003 steps (8 resets) in 417 ms. (95 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 280 ms. (142 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (8 resets) in 355 ms. (112 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :12 after 14
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :14 after 16
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :16 after 17
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :17 after 28
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :28 after 38
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :38 after 270
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :270 after 1832
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :1832 after 2040
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :2040 after 4460
Interrupted probabilistic random walk after 66221 steps, run timeout after 3001 ms. (steps per millisecond=22 ) properties seen :0 out of 4
Probabilistic random walk after 66221 steps, saw 43575 distinct states, run finished after 3001 ms. (steps per millisecond=22 ) properties seen :0
[2026-05-31 03:53:17] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:53:17] [INFO ] Invariant cache hit.
[2026-05-31 03:53:17] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :4460 after 8266
Problem MAX0 is UNSAT
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 4/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/42 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/42 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/45 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/45 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :8266 after 11168
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1594/1596 variables, and 515 constraints, problems are : Problem set: 1 solved, 3 unsolved in 4350 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 470/472 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 4/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :11168 after 27974
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 5/26 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/432 variables, 0/26 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 2/434 variables, 1/27 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/434 variables, 0/27 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 33/467 variables, 20/47 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 1124/1594 variables, 470/520 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1594/1596 variables, and 640 constraints, problems are : Problem set: 1 solved, 3 unsolved in 5010 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 470/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 0/4 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9370ms problems are : Problem set: 1 solved, 3 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 20 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 472/472 places, 1144/1144 transitions.
RANDOM walk for 40000 steps (12 resets) in 420 ms. (95 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (9 resets) in 240 ms. (165 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 210 ms. (189 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (8 resets) in 184 ms. (216 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 112146 steps, run timeout after 3001 ms. (steps per millisecond=37 ) properties seen :0 out of 3
Probabilistic random walk after 112146 steps, saw 72257 distinct states, run finished after 3001 ms. (steps per millisecond=37 ) properties seen :0
[2026-05-31 03:53:30] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:53:30] [INFO ] Invariant cache hit.
[2026-05-31 03:53:30] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 2/434 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/434 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 33/467 variables, 20/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/467 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 3/470 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/470 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 32768
SDD size :27974 after 356943
At refinement iteration 11 (OVERLAPS) 1124/1594 variables, 470/511 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1594 variables, 120/631 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 0/631 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 2/1596 variables, 2/633 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1596 variables, 1/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1596/1596 variables, and 634 constraints, problems are : Problem set: 0 solved, 3 unsolved in 3329 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 9/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 1124/1594 variables, 470/520 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 120/640 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1594 variables, 3/643 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1594 variables, 0/643 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 2/1596 variables, 2/645 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1596 variables, 1/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 65536
SDD size :356943 after 557338
At refinement iteration 18 (INCLUDED_ONLY) 0/1596 variables, 0/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 0/1596 variables, 0/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1596/1596 variables, and 646 constraints, problems are : Problem set: 0 solved, 3 unsolved in 11117 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14460ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 2484 ms.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 20 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 19 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 03:53:47] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:53:47] [INFO ] Invariant cache hit.
[2026-05-31 03:53:48] [INFO ] Implicit Places using invariants in 1652 ms returned []
[2026-05-31 03:53:48] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:53:48] [INFO ] Invariant cache hit.
[2026-05-31 03:53:50] [INFO ] State equation strengthened by 120 read => feed constraints.
Detected timeout of ITS tools.
[2026-05-31 03:54:03] [INFO ] Flatten gal took : 36 ms
[2026-05-31 03:54:03] [INFO ] Applying decomposition
[2026-05-31 03:54:04] [INFO ] Flatten gal took : 37 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph1071162320514951950.txt' '-o' '/tmp/graph1071162320514951950.bin' '-w' '/tmp/graph1071162320514951950.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph1071162320514951950.bin' '-l' '-1' '-v' '-w' '/tmp/graph1071162320514951950.weights' '-q' '0' '-e' '0.001'
[2026-05-31 03:54:04] [INFO ] Decomposing Gal with order
[2026-05-31 03:54:04] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 03:54:04] [INFO ] Removed a total of 1141 redundant transitions.
[2026-05-31 03:54:04] [INFO ] Flatten gal took : 110 ms
[2026-05-31 03:54:04] [INFO ] Fuse similar labels procedure discarded/fused a total of 892 labels/synchronizations in 20 ms.
[2026-05-31 03:54:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7133951417342651891.gal : 8 ms
[2026-05-31 03:54:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16458793962668045060.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/ReachabilityCardinality7133951417342651891.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16458793962668045060.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/ReachabilityCardinality16458793962668045060.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 13
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :13 after 15
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :15 after 16
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :16 after 18
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :18 after 26
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :26 after 38
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :38 after 107
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :107 after 2066
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :2066 after 2090
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :2090 after 2307
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :2307 after 2395
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :2395 after 3060
[2026-05-31 03:54:19] [INFO ] Implicit Places using invariants and state equation in 30689 ms returned []
Implicit Place search using SMT with State Equation took 32346 ms to find 0 implicit places.
[2026-05-31 03:54:19] [INFO ] Redundant transitions in 28 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32409 ms. Remains : 472/472 places, 1144/1144 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 20 place count 472 transition count 1124
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -40
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 40 place count 462 transition count 1164
Drop transitions (Redundant composition of simpler transitions.) removed 40 transitions
Redundant transition composition rules discarded 40 transitions
Iterating global reduction 1 with 40 rules applied. Total rules applied 80 place count 462 transition count 1124
Free-agglomeration rule applied 10 times.
Iterating global reduction 1 with 10 rules applied. Total rules applied 90 place count 462 transition count 1114
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 100 place count 452 transition count 1114
Free-agglomeration rule (complex) applied 10 times.
Iterating global reduction 2 with 10 rules applied. Total rules applied 110 place count 452 transition count 1104
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 120 place count 442 transition count 1104
Applied a total of 120 rules in 91 ms. Remains 442 /472 variables (removed 30) and now considering 1104/1144 (removed 40) transitions.
Running SMT prover for 3 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15801441550784373540.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11359411904949993067.kers'
[2026-05-31 03:54:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15801441550784373540.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11359411904949993067.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1104 rows 437 cols 5312 entries
Finished phase 1 with 210 SingleSign rule and 190 generalized
[2026-05-31 03:54:19] [INFO ] Computed 42 invariants in 10 ms
Computed 42 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-11359411904949993067.kers
Total runtime 12 ms.
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :3060 after 8204
[2026-05-31 03:54:19] [INFO ] [Real]Absence check using 17 positive place invariants in 19 ms returned sat
[2026-05-31 03:54:19] [INFO ] [Real]Absence check using 17 positive and 25 generalized place invariants in 31 ms returned sat
[2026-05-31 03:54:19] [INFO ] After 195ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2026-05-31 03:54:19] [INFO ] [Nat]Absence check using 17 positive place invariants in 17 ms returned sat
[2026-05-31 03:54:19] [INFO ] [Nat]Absence check using 17 positive and 25 generalized place invariants in 38 ms returned sat
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :8204 after 10596
[2026-05-31 03:54:32] [INFO ] After 12225ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
[2026-05-31 03:54:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 691 ms
TRAPS : Iteration 1
[2026-05-31 03:54:36] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 735 ms
[2026-05-31 03:54:39] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 2596 ms
TRAPS : Iteration 2
SDD proceeding with computation,3 properties remain. new max is 65536
SDD size :10596 after 22630
[2026-05-31 03:54:41] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 463 ms
TRAPS : Iteration 3
[2026-05-31 03:54:44] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 2120 ms
TRAPS : Iteration 4
[2026-05-31 03:54:45] [INFO ] After 25346ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2026-05-31 03:54:46] [INFO ] After 26406ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
[2026-05-31 03:54:46] [INFO ] Flatten gal took : 34 ms
[2026-05-31 03:54:46] [INFO ] Flatten gal took : 34 ms
[2026-05-31 03:54:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13209836165254027859.gal : 7 ms
[2026-05-31 03:54:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2268572598376710997.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/ReachabilityCardinality13209836165254027859.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2268572598376710997.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/ReachabilityCardinality2268572598376710997.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :9 after 11
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :11 after 12
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :12 after 13
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :13 after 18
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :18 after 103
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :103 after 262
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :262 after 3627
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :3627 after 6557
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :6557 after 13945
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :13945 after 16275
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :16275 after 24239
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :24239 after 59431
Detected timeout of ITS tools.
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :59431 after 203795
Detected timeout of ITS tools.
[2026-05-31 03:55:01] [INFO ] Flatten gal took : 33 ms
[2026-05-31 03:55:01] [INFO ] Applying decomposition
[2026-05-31 03:55:01] [INFO ] Flatten gal took : 33 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph3319854464877580180.txt' '-o' '/tmp/graph3319854464877580180.bin' '-w' '/tmp/graph3319854464877580180.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph3319854464877580180.bin' '-l' '-1' '-v' '-w' '/tmp/graph3319854464877580180.weights' '-q' '0' '-e' '0.001'
[2026-05-31 03:55:01] [INFO ] Decomposing Gal with order
[2026-05-31 03:55:01] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 03:55:01] [INFO ] Removed a total of 1172 redundant transitions.
[2026-05-31 03:55:01] [INFO ] Flatten gal took : 120 ms
[2026-05-31 03:55:01] [INFO ] Fuse similar labels procedure discarded/fused a total of 1173 labels/synchronizations in 32 ms.
[2026-05-31 03:55:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8873129633951204032.gal : 8 ms
[2026-05-31 03:55:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6175196105818192520.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/ReachabilityCardinality8873129633951204032.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6175196105818192520.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/ReachabilityCardinality6175196105818192520.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :4 after 13
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :13 after 17
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :17 after 92
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :92 after 100
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :100 after 136
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :136 after 237
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :237 after 3977
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :3977 after 14012
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :14012 after 14563
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :14563 after 15932
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :15932 after 32569
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :32569 after 103470
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 57351 ms.
Current structural bounds on expressions (after reachability check) : Max Seen:[2, 1] Max Struct:[527, 4]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16823503073069200101.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3827119856191818822.kers'
[2026-05-31 03:55:16] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16823503073069200101.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3827119856191818822.kers]
Normalized transition count is 1124 out of 1144 initially.
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 03:55:16] [INFO ] Computed 42 invariants in 10 ms
Computed 42 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-3827119856191818822.kers
Total runtime 12 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 1] Max Struct:[527, 4]
RANDOM walk for 1000000 steps (334 resets) in 6602 ms. (151 steps per ms)
BEST_FIRST walk for 2000001 steps (148 resets) in 6119 ms. (326 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 1] Max Struct:[527, 4]
[2026-05-31 03:55:29] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-615935636747315357.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7606017626442524863.kers'
[2026-05-31 03:55:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-615935636747315357.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7606017626442524863.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 03:55:29] [INFO ] Computed 42 invariants in 10 ms
Computed 42 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-7606017626442524863.kers
Total runtime 12 ms.
[2026-05-31 03:55:29] [INFO ] [Real]Absence check using 14 positive place invariants in 9 ms returned sat
[2026-05-31 03:55:29] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 31 ms returned sat
[2026-05-31 03:55:31] [INFO ] [Real]Absence check using state equation in 1731 ms returned sat
[2026-05-31 03:55:31] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:55:31] [INFO ] [Nat]Absence check using 14 positive place invariants in 21 ms returned sat
[2026-05-31 03:55:31] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 31 ms returned sat
[2026-05-31 03:55:33] [INFO ] [Nat]Absence check using state equation in 2167 ms returned sat
[2026-05-31 03:55:33] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:55:34] [INFO ] [Nat]Added 120 Read/Feed constraints in 592 ms returned sat
[2026-05-31 03:55:34] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 83 ms.
[2026-05-31 03:55:35] [INFO ] Added : 20 causal constraints over 4 iterations in 652 ms. Result :sat
Minimization took 5442 ms.
[2026-05-31 03:55:40] [INFO ] [Real]Absence check using 14 positive place invariants in 9 ms returned sat
[2026-05-31 03:55:40] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 28 ms returned sat
[2026-05-31 03:55:42] [INFO ] [Real]Absence check using state equation in 1919 ms returned sat
[2026-05-31 03:55:42] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:55:42] [INFO ] [Nat]Absence check using 14 positive place invariants in 10 ms returned sat
[2026-05-31 03:55:42] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 31 ms returned sat
[2026-05-31 03:55:48] [INFO ] [Nat]Absence check using state equation in 5756 ms returned sat
[2026-05-31 03:55:49] [INFO ] [Nat]Added 120 Read/Feed constraints in 1102 ms returned sat
[2026-05-31 03:55:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 249 ms
[2026-05-31 03:55:50] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 89 ms.
[2026-05-31 03:55:51] [INFO ] Added : 42 causal constraints over 9 iterations in 1346 ms. Result :sat
Minimization took 5257 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 1] Max Struct:[527, 4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 1] Max Struct:[527, 4]
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 20 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 36 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 03:55:56] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:55:56] [INFO ] Invariant cache hit.
[2026-05-31 03:55:58] [INFO ] Implicit Places using invariants in 2046 ms returned []
[2026-05-31 03:55:58] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:55:58] [INFO ] Invariant cache hit.
[2026-05-31 03:56:00] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:56:23] [INFO ] Implicit Places using invariants and state equation in 24511 ms returned []
Implicit Place search using SMT with State Equation took 26568 ms to find 0 implicit places.
[2026-05-31 03:56:23] [INFO ] Redundant transitions in 37 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26651 ms. Remains : 472/472 places, 1144/1144 transitions.
[2026-05-31 03:56:23] [INFO ] Flatten gal took : 122 ms
[2026-05-31 03:56:23] [INFO ] Flatten gal took : 89 ms
[2026-05-31 03:56:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12034131550255275120.gal : 12 ms
[2026-05-31 03:56:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8184149050160615802.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/ReachabilityCardinality12034131550255275120.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8184149050160615802.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
RANDOM walk for 40000 steps (16 resets) in 883 ms. (45 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (10 resets) in 461 ms. (86 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40001 steps (12 resets) in 379 ms. (105 steps per ms) remains 4/4 properties
Loading property file /tmp/ReachabilityCardinality8184149050160615802.prop.
BEST_FIRST walk for 40003 steps (8 resets) in 249 ms. (160 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 375 ms. (106 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :12 after 14
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :14 after 16
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :16 after 17
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :17 after 28
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :28 after 38
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :38 after 270
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :270 after 1832
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :1832 after 2040
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :2040 after 4460
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :4460 after 8266
Interrupted probabilistic random walk after 105907 steps, run timeout after 3001 ms. (steps per millisecond=35 ) properties seen :0 out of 4
Probabilistic random walk after 105907 steps, saw 68408 distinct states, run finished after 3001 ms. (steps per millisecond=35 ) properties seen :0
[2026-05-31 03:56:27] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:56:27] [INFO ] Invariant cache hit.
[2026-05-31 03:56:27] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem MAX0 is UNSAT
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 4/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/42 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/42 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/45 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/45 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :8266 after 11168
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1594/1596 variables, and 515 constraints, problems are : Problem set: 1 solved, 3 unsolved in 3498 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 470/472 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 4/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :11168 after 27974
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 5/26 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/432 variables, 0/26 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 2/434 variables, 1/27 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/434 variables, 0/27 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 33/467 variables, 20/47 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 1124/1594 variables, 470/520 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1594/1596 variables, and 640 constraints, problems are : Problem set: 1 solved, 3 unsolved in 4930 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 470/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 0/4 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8438ms problems are : Problem set: 1 solved, 3 unsolved
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 319 ms.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 21 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 472/472 places, 1144/1144 transitions.
RANDOM walk for 40000 steps (16 resets) in 580 ms. (68 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (9 resets) in 335 ms. (119 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (9 resets) in 230 ms. (173 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 217 ms. (183 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 116911 steps, run timeout after 3001 ms. (steps per millisecond=38 ) properties seen :0 out of 3
Probabilistic random walk after 116911 steps, saw 75266 distinct states, run finished after 3005 ms. (steps per millisecond=38 ) properties seen :0
[2026-05-31 03:56:39] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:56:39] [INFO ] Invariant cache hit.
[2026-05-31 03:56:39] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 2/434 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/434 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 33/467 variables, 20/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/467 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 3/470 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/470 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 32768
SDD size :27974 after 356943
At refinement iteration 11 (OVERLAPS) 1124/1594 variables, 470/511 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1594 variables, 120/631 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 0/631 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 2/1596 variables, 2/633 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1596 variables, 1/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1596/1596 variables, and 634 constraints, problems are : Problem set: 0 solved, 3 unsolved in 3647 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 9/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 1124/1594 variables, 470/520 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 120/640 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1594 variables, 3/643 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1594 variables, 0/643 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 2/1596 variables, 2/645 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1596 variables, 1/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1596 variables, 0/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 0/1596 variables, 0/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1596/1596 variables, and 646 constraints, problems are : Problem set: 0 solved, 3 unsolved in 11198 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14856ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
SDD proceeding with computation,4 properties remain. new max is 65536
SDD size :356943 after 557338
Parikh walk visited 0 properties in 1608 ms.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 20 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 21 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 03:56:55] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:56:55] [INFO ] Invariant cache hit.
[2026-05-31 03:56:57] [INFO ] Implicit Places using invariants in 2039 ms returned []
[2026-05-31 03:56:57] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:56:57] [INFO ] Invariant cache hit.
[2026-05-31 03:56:59] [INFO ] State equation strengthened by 120 read => feed constraints.
Detected timeout of ITS tools.
[2026-05-31 03:57:13] [INFO ] Flatten gal took : 56 ms
[2026-05-31 03:57:13] [INFO ] Applying decomposition
[2026-05-31 03:57:13] [INFO ] Flatten gal took : 56 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph8405057454638573662.txt' '-o' '/tmp/graph8405057454638573662.bin' '-w' '/tmp/graph8405057454638573662.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph8405057454638573662.bin' '-l' '-1' '-v' '-w' '/tmp/graph8405057454638573662.weights' '-q' '0' '-e' '0.001'
[2026-05-31 03:57:13] [INFO ] Decomposing Gal with order
[2026-05-31 03:57:13] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 03:57:14] [INFO ] Removed a total of 921 redundant transitions.
[2026-05-31 03:57:14] [INFO ] Flatten gal took : 198 ms
[2026-05-31 03:57:14] [INFO ] Fuse similar labels procedure discarded/fused a total of 807 labels/synchronizations in 34 ms.
[2026-05-31 03:57:14] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10439283789938575227.gal : 15 ms
[2026-05-31 03:57:14] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17787736204317434949.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/ReachabilityCardinality10439283789938575227.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17787736204317434949.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/ReachabilityCardinality17787736204317434949.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 13
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :13 after 18
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :18 after 50
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :50 after 76
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :76 after 110
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :110 after 254
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :254 after 285
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :285 after 306
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :306 after 406
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :406 after 612
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :612 after 1102
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :1102 after 3939
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :3939 after 9746
[2026-05-31 03:57:25] [INFO ] Implicit Places using invariants and state equation in 27222 ms returned []
Implicit Place search using SMT with State Equation took 29268 ms to find 0 implicit places.
[2026-05-31 03:57:25] [INFO ] Redundant transitions in 37 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29371 ms. Remains : 472/472 places, 1144/1144 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 20 place count 472 transition count 1124
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -40
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 40 place count 462 transition count 1164
Drop transitions (Redundant composition of simpler transitions.) removed 40 transitions
Redundant transition composition rules discarded 40 transitions
Iterating global reduction 1 with 40 rules applied. Total rules applied 80 place count 462 transition count 1124
Free-agglomeration rule applied 10 times.
Iterating global reduction 1 with 10 rules applied. Total rules applied 90 place count 462 transition count 1114
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 100 place count 452 transition count 1114
Free-agglomeration rule (complex) applied 10 times.
Iterating global reduction 2 with 10 rules applied. Total rules applied 110 place count 452 transition count 1104
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 120 place count 442 transition count 1104
Applied a total of 120 rules in 122 ms. Remains 442 /472 variables (removed 30) and now considering 1104/1144 (removed 40) transitions.
Running SMT prover for 3 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7187782345111041978.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13318825115871267815.kers'
[2026-05-31 03:57:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7187782345111041978.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13318825115871267815.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1104 rows 437 cols 5312 entries
Finished phase 1 with 210 SingleSign rule and 190 generalized
[2026-05-31 03:57:25] [INFO ] Computed 42 invariants in 11 ms
Computed 42 P flows in 12 ms.
Exported basis to /tmp/petrispot-output-13318825115871267815.kers
Total runtime 13 ms.
[2026-05-31 03:57:25] [INFO ] [Real]Absence check using 17 positive place invariants in 130 ms returned sat
[2026-05-31 03:57:25] [INFO ] [Real]Absence check using 17 positive and 25 generalized place invariants in 194 ms returned sat
[2026-05-31 03:57:26] [INFO ] After 899ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2026-05-31 03:57:26] [INFO ] [Nat]Absence check using 17 positive place invariants in 42 ms returned sat
[2026-05-31 03:57:26] [INFO ] [Nat]Absence check using 17 positive and 25 generalized place invariants in 145 ms returned sat
[2026-05-31 03:57:40] [INFO ] After 13722ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
[2026-05-31 03:57:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1158 ms
TRAPS : Iteration 1
[2026-05-31 03:57:46] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1553 ms
[2026-05-31 03:57:50] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 3741 ms
TRAPS : Iteration 2
[2026-05-31 03:57:52] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 904 ms
TRAPS : Iteration 3
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :31382 after 44004
[2026-05-31 03:57:57] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 3546 ms
TRAPS : Iteration 4
[2026-05-31 03:57:59] [INFO ] After 32501ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2026-05-31 03:58:00] [INFO ] After 33926ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
[2026-05-31 03:58:00] [INFO ] Flatten gal took : 40 ms
[2026-05-31 03:58:00] [INFO ] Flatten gal took : 35 ms
[2026-05-31 03:58:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16606180365631016041.gal : 7 ms
[2026-05-31 03:58:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11975778313953917300.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/ReachabilityCardinality16606180365631016041.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11975778313953917300.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/ReachabilityCardinality11975778313953917300.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :9 after 11
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :11 after 12
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :12 after 13
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :13 after 18
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :18 after 103
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :103 after 262
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :262 after 3627
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :3627 after 6557
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :6557 after 13945
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :13945 after 16275
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :16275 after 24239
Detected timeout of ITS tools.
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :24239 after 59431
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :59431 after 203795
Detected timeout of ITS tools.
[2026-05-31 03:58:15] [INFO ] Flatten gal took : 32 ms
[2026-05-31 03:58:15] [INFO ] Applying decomposition
[2026-05-31 03:58:15] [INFO ] Flatten gal took : 32 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph5394784093307501629.txt' '-o' '/tmp/graph5394784093307501629.bin' '-w' '/tmp/graph5394784093307501629.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph5394784093307501629.bin' '-l' '-1' '-v' '-w' '/tmp/graph5394784093307501629.weights' '-q' '0' '-e' '0.001'
[2026-05-31 03:58:15] [INFO ] Decomposing Gal with order
[2026-05-31 03:58:15] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 03:58:15] [INFO ] Removed a total of 1060 redundant transitions.
[2026-05-31 03:58:15] [INFO ] Flatten gal took : 115 ms
[2026-05-31 03:58:15] [INFO ] Fuse similar labels procedure discarded/fused a total of 1115 labels/synchronizations in 23 ms.
[2026-05-31 03:58:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15472015213362726746.gal : 8 ms
[2026-05-31 03:58:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7849280733194031494.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/ReachabilityCardinality15472015213362726746.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7849280733194031494.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/ReachabilityCardinality7849280733194031494.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :4 after 13
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :13 after 16
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :16 after 17
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :17 after 22
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :22 after 37
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :37 after 107
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :107 after 157
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :157 after 377
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :377 after 1717
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :1717 after 9219
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :9219 after 12013
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 65663 ms.
Current structural bounds on expressions (after reachability check) : Max Seen:[2, 1] Max Struct:[526, 4]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4717077692233451872.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7765868947142369038.kers'
[2026-05-31 03:58:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4717077692233451872.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7765868947142369038.kers]
Normalized transition count is 1124 out of 1144 initially.
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 03:58:30] [INFO ] Computed 42 invariants in 11 ms
Computed 42 P flows in 12 ms.
Exported basis to /tmp/petrispot-output-7765868947142369038.kers
Total runtime 13 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 1] Max Struct:[526, 4]
RANDOM walk for 1000000 steps (329 resets) in 7097 ms. (140 steps per ms)
BEST_FIRST walk for 2000001 steps (125 resets) in 6569 ms. (304 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 1] Max Struct:[526, 4]
[2026-05-31 03:58:44] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9850523531339624402.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13332809887863274086.kers'
[2026-05-31 03:58:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9850523531339624402.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13332809887863274086.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 03:58:44] [INFO ] Computed 42 invariants in 16 ms
Computed 42 P flows in 17 ms.
Exported basis to /tmp/petrispot-output-13332809887863274086.kers
Total runtime 19 ms.
[2026-05-31 03:58:44] [INFO ] [Real]Absence check using 14 positive place invariants in 24 ms returned sat
[2026-05-31 03:58:44] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 52 ms returned sat
[2026-05-31 03:58:46] [INFO ] [Real]Absence check using state equation in 1985 ms returned sat
[2026-05-31 03:58:46] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:58:46] [INFO ] [Nat]Absence check using 14 positive place invariants in 14 ms returned sat
[2026-05-31 03:58:46] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 43 ms returned sat
[2026-05-31 03:58:49] [INFO ] [Nat]Absence check using state equation in 2205 ms returned sat
[2026-05-31 03:58:49] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:58:49] [INFO ] [Nat]Added 120 Read/Feed constraints in 590 ms returned sat
[2026-05-31 03:58:49] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 100 ms.
[2026-05-31 03:58:50] [INFO ] Added : 20 causal constraints over 4 iterations in 924 ms. Result :sat
Minimization took 5396 ms.
[2026-05-31 03:58:56] [INFO ] [Real]Absence check using 14 positive place invariants in 10 ms returned sat
[2026-05-31 03:58:56] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 28 ms returned sat
[2026-05-31 03:58:58] [INFO ] [Real]Absence check using state equation in 1824 ms returned sat
[2026-05-31 03:58:58] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 03:58:58] [INFO ] [Nat]Absence check using 14 positive place invariants in 10 ms returned sat
[2026-05-31 03:58:58] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 28 ms returned sat
[2026-05-31 03:59:03] [INFO ] [Nat]Absence check using state equation in 5621 ms returned sat
[2026-05-31 03:59:04] [INFO ] [Nat]Added 120 Read/Feed constraints in 1120 ms returned sat
[2026-05-31 03:59:05] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 269 ms
[2026-05-31 03:59:05] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 111 ms.
[2026-05-31 03:59:06] [INFO ] Added : 42 causal constraints over 9 iterations in 1582 ms. Result :sat
Minimization took 5378 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 1] Max Struct:[526, 4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 1] Max Struct:[526, 4]
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 20 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 23 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 03:59:12] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:59:12] [INFO ] Invariant cache hit.
[2026-05-31 03:59:14] [INFO ] Implicit Places using invariants in 2232 ms returned []
[2026-05-31 03:59:14] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:59:14] [INFO ] Invariant cache hit.
[2026-05-31 03:59:16] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 03:59:39] [INFO ] Implicit Places using invariants and state equation in 25375 ms returned []
Implicit Place search using SMT with State Equation took 27615 ms to find 0 implicit places.
[2026-05-31 03:59:39] [INFO ] Redundant transitions in 22 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27673 ms. Remains : 472/472 places, 1144/1144 transitions.
[2026-05-31 03:59:39] [INFO ] Flatten gal took : 42 ms
[2026-05-31 03:59:40] [INFO ] Flatten gal took : 45 ms
[2026-05-31 03:59:40] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9946675772059210988.gal : 7 ms
[2026-05-31 03:59:40] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8672128599022453194.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/ReachabilityCardinality9946675772059210988.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8672128599022453194.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
RANDOM walk for 40000 steps (18 resets) in 497 ms. (80 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (10 resets) in 351 ms. (113 steps per ms) remains 4/4 properties
Loading property file /tmp/ReachabilityCardinality8672128599022453194.prop.
BEST_FIRST walk for 40003 steps (10 resets) in 253 ms. (157 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 243 ms. (163 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 291 ms. (136 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :12 after 14
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :14 after 16
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :16 after 17
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :17 after 28
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :28 after 38
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :38 after 270
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :270 after 1832
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :1832 after 2040
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :2040 after 4460
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :4460 after 8266
Interrupted probabilistic random walk after 92535 steps, run timeout after 3001 ms. (steps per millisecond=30 ) properties seen :0 out of 4
Probabilistic random walk after 92535 steps, saw 60167 distinct states, run finished after 3001 ms. (steps per millisecond=30 ) properties seen :0
[2026-05-31 03:59:43] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:59:43] [INFO ] Invariant cache hit.
[2026-05-31 03:59:43] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem MAX0 is UNSAT
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 4/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/42 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/42 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/45 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/45 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :8266 after 11168
Solver is answering 'unknown', stopping.
SDD proceeding with computation,4 properties remain. new max is 16384
After SMT solving in domain Real declared 1594/1596 variables, and 515 constraints, problems are : Problem set: 1 solved, 3 unsolved in 4035 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 470/472 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
SDD size :11168 after 27974
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 4/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 5/26 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/432 variables, 0/26 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 2/434 variables, 1/27 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/434 variables, 0/27 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 33/467 variables, 20/47 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 1124/1594 variables, 470/520 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1594/1596 variables, and 640 constraints, problems are : Problem set: 1 solved, 3 unsolved in 5010 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 470/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 0/4 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9067ms problems are : Problem set: 1 solved, 3 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 36 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36 ms. Remains : 472/472 places, 1144/1144 transitions.
RANDOM walk for 40000 steps (19 resets) in 476 ms. (83 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (11 resets) in 267 ms. (149 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 208 ms. (191 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 218 ms. (182 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 108519 steps, run timeout after 3001 ms. (steps per millisecond=36 ) properties seen :0 out of 3
Probabilistic random walk after 108519 steps, saw 70033 distinct states, run finished after 3001 ms. (steps per millisecond=36 ) properties seen :0
[2026-05-31 03:59:55] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 03:59:55] [INFO ] Invariant cache hit.
[2026-05-31 03:59:55] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 2/434 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/434 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 33/467 variables, 20/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/467 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 3/470 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/470 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 32768
SDD size :27974 after 356943
At refinement iteration 11 (OVERLAPS) 1124/1594 variables, 470/511 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1594 variables, 120/631 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 0/631 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 2/1596 variables, 2/633 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1596 variables, 1/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1596/1596 variables, and 634 constraints, problems are : Problem set: 0 solved, 3 unsolved in 3436 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 9/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 1124/1594 variables, 470/520 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 120/640 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1594 variables, 3/643 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 65536
SDD size :356943 after 557338
At refinement iteration 15 (INCLUDED_ONLY) 0/1594 variables, 0/643 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 2/1596 variables, 2/645 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1596 variables, 1/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1596 variables, 0/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 0/1596 variables, 0/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1596/1596 variables, and 646 constraints, problems are : Problem set: 0 solved, 3 unsolved in 11225 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14670ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 1643 ms.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 24 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 19 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 04:00:12] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 04:00:12] [INFO ] Invariant cache hit.
[2026-05-31 04:00:13] [INFO ] Implicit Places using invariants in 1659 ms returned []
[2026-05-31 04:00:13] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 04:00:13] [INFO ] Invariant cache hit.
[2026-05-31 04:00:15] [INFO ] State equation strengthened by 120 read => feed constraints.
Detected timeout of ITS tools.
[2026-05-31 04:00:30] [INFO ] Flatten gal took : 35 ms
[2026-05-31 04:00:30] [INFO ] Applying decomposition
[2026-05-31 04:00:30] [INFO ] Flatten gal took : 38 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph7721611045825421025.txt' '-o' '/tmp/graph7721611045825421025.bin' '-w' '/tmp/graph7721611045825421025.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph7721611045825421025.bin' '-l' '-1' '-v' '-w' '/tmp/graph7721611045825421025.weights' '-q' '0' '-e' '0.001'
[2026-05-31 04:00:30] [INFO ] Decomposing Gal with order
[2026-05-31 04:00:30] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 04:00:30] [INFO ] Removed a total of 993 redundant transitions.
[2026-05-31 04:00:30] [INFO ] Flatten gal took : 108 ms
[2026-05-31 04:00:30] [INFO ] Fuse similar labels procedure discarded/fused a total of 828 labels/synchronizations in 33 ms.
[2026-05-31 04:00:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2199301417883728796.gal : 9 ms
[2026-05-31 04:00:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15607688287409935138.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/ReachabilityCardinality2199301417883728796.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15607688287409935138.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/ReachabilityCardinality15607688287409935138.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 13
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :13 after 16
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :16 after 17
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :17 after 23
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :23 after 81
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :81 after 88
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :88 after 226
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :226 after 282
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :282 after 17568
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :17568 after 27470
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :27470 after 31062
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :36972 after 38331
[2026-05-31 04:00:38] [INFO ] Implicit Places using invariants and state equation in 24984 ms returned []
Implicit Place search using SMT with State Equation took 26647 ms to find 0 implicit places.
[2026-05-31 04:00:38] [INFO ] Redundant transitions in 21 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26706 ms. Remains : 472/472 places, 1144/1144 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 20 place count 472 transition count 1124
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -40
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 40 place count 462 transition count 1164
Drop transitions (Redundant composition of simpler transitions.) removed 40 transitions
Redundant transition composition rules discarded 40 transitions
Iterating global reduction 1 with 40 rules applied. Total rules applied 80 place count 462 transition count 1124
Free-agglomeration rule applied 10 times.
Iterating global reduction 1 with 10 rules applied. Total rules applied 90 place count 462 transition count 1114
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 100 place count 452 transition count 1114
Free-agglomeration rule (complex) applied 10 times.
Iterating global reduction 2 with 10 rules applied. Total rules applied 110 place count 452 transition count 1104
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 120 place count 442 transition count 1104
Applied a total of 120 rules in 133 ms. Remains 442 /472 variables (removed 30) and now considering 1104/1144 (removed 40) transitions.
Running SMT prover for 3 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6033485185250450878.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2464497616252857242.kers'
[2026-05-31 04:00:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6033485185250450878.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2464497616252857242.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1104 rows 437 cols 5312 entries
Finished phase 1 with 210 SingleSign rule and 190 generalized
[2026-05-31 04:00:39] [INFO ] Computed 42 invariants in 10 ms
Computed 42 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-2464497616252857242.kers
Total runtime 12 ms.
[2026-05-31 04:00:39] [INFO ] [Real]Absence check using 17 positive place invariants in 17 ms returned sat
[2026-05-31 04:00:39] [INFO ] [Real]Absence check using 17 positive and 25 generalized place invariants in 31 ms returned sat
[2026-05-31 04:00:39] [INFO ] After 215ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2026-05-31 04:00:39] [INFO ] [Nat]Absence check using 17 positive place invariants in 18 ms returned sat
[2026-05-31 04:00:39] [INFO ] [Nat]Absence check using 17 positive and 25 generalized place invariants in 38 ms returned sat
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :38331 after 43374
[2026-05-31 04:00:52] [INFO ] After 12509ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
[2026-05-31 04:00:54] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 726 ms
TRAPS : Iteration 1
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :43374 after 389937
[2026-05-31 04:00:56] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1264 ms
[2026-05-31 04:00:59] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 2677 ms
TRAPS : Iteration 2
[2026-05-31 04:01:01] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 574 ms
TRAPS : Iteration 3
[2026-05-31 04:01:05] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 2140 ms
TRAPS : Iteration 4
[2026-05-31 04:01:06] [INFO ] After 26981ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2026-05-31 04:01:07] [INFO ] After 28091ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
[2026-05-31 04:01:07] [INFO ] Flatten gal took : 33 ms
[2026-05-31 04:01:07] [INFO ] Flatten gal took : 46 ms
[2026-05-31 04:01:07] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8719819112228378357.gal : 7 ms
[2026-05-31 04:01:07] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9727420082415841469.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/ReachabilityCardinality8719819112228378357.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9727420082415841469.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/ReachabilityCardinality9727420082415841469.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :9 after 11
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :11 after 12
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :12 after 13
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :13 after 18
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :18 after 103
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :103 after 262
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :262 after 3627
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :3627 after 6557
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :6557 after 13945
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :13945 after 16275
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :16275 after 24239
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :24239 after 59431
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :59431 after 203795
Detected timeout of ITS tools.
Detected timeout of ITS tools.
[2026-05-31 04:01:22] [INFO ] Flatten gal took : 31 ms
[2026-05-31 04:01:22] [INFO ] Applying decomposition
[2026-05-31 04:01:22] [INFO ] Flatten gal took : 32 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph11491441399761838237.txt' '-o' '/tmp/graph11491441399761838237.bin' '-w' '/tmp/graph11491441399761838237.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph11491441399761838237.bin' '-l' '-1' '-v' '-w' '/tmp/graph11491441399761838237.weights' '-q' '0' '-e' '0.001'
[2026-05-31 04:01:22] [INFO ] Decomposing Gal with order
[2026-05-31 04:01:22] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 04:01:22] [INFO ] Removed a total of 1124 redundant transitions.
[2026-05-31 04:01:22] [INFO ] Flatten gal took : 163 ms
[2026-05-31 04:01:23] [INFO ] Fuse similar labels procedure discarded/fused a total of 1116 labels/synchronizations in 37 ms.
[2026-05-31 04:01:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7267356937225083407.gal : 11 ms
[2026-05-31 04:01:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9009741165568530825.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/ReachabilityCardinality7267356937225083407.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9009741165568530825.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/ReachabilityCardinality9009741165568530825.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :4 after 14
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :14 after 16
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :16 after 17
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :17 after 22
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :22 after 32
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :32 after 147
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :147 after 527
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :527 after 609
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :609 after 1188
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :1188 after 2205
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 59185 ms.
Current structural bounds on expressions (after reachability check) : Max Seen:[2, 1] Max Struct:[525, 4]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11432828700690201153.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15536141330576593226.kers'
[2026-05-31 04:01:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11432828700690201153.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15536141330576593226.kers]
Normalized transition count is 1124 out of 1144 initially.
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 04:01:38] [INFO ] Computed 42 invariants in 10 ms
Computed 42 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-15536141330576593226.kers
Total runtime 15 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 1] Max Struct:[525, 4]
RANDOM walk for 1000000 steps (359 resets) in 7565 ms. (132 steps per ms)
BEST_FIRST walk for 2000000 steps (123 resets) in 6282 ms. (318 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 1] Max Struct:[525, 4]
[2026-05-31 04:01:52] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11145841194327888642.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5336086573238728359.kers'
[2026-05-31 04:01:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11145841194327888642.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5336086573238728359.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 04:01:52] [INFO ] Computed 42 invariants in 10 ms
Computed 42 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-5336086573238728359.kers
Total runtime 12 ms.
[2026-05-31 04:01:52] [INFO ] [Real]Absence check using 14 positive place invariants in 10 ms returned sat
[2026-05-31 04:01:52] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 31 ms returned sat
[2026-05-31 04:01:53] [INFO ] [Real]Absence check using state equation in 1687 ms returned sat
[2026-05-31 04:01:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 04:01:54] [INFO ] [Nat]Absence check using 14 positive place invariants in 10 ms returned sat
[2026-05-31 04:01:54] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 29 ms returned sat
[2026-05-31 04:01:56] [INFO ] [Nat]Absence check using state equation in 2014 ms returned sat
[2026-05-31 04:01:56] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 04:01:56] [INFO ] [Nat]Added 120 Read/Feed constraints in 589 ms returned sat
[2026-05-31 04:01:56] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 83 ms.
[2026-05-31 04:01:57] [INFO ] Added : 20 causal constraints over 4 iterations in 602 ms. Result :sat
Minimization took 5056 ms.
[2026-05-31 04:02:02] [INFO ] [Real]Absence check using 14 positive place invariants in 9 ms returned sat
[2026-05-31 04:02:02] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 27 ms returned sat
[2026-05-31 04:02:04] [INFO ] [Real]Absence check using state equation in 1823 ms returned sat
[2026-05-31 04:02:04] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 04:02:04] [INFO ] [Nat]Absence check using 14 positive place invariants in 9 ms returned sat
[2026-05-31 04:02:04] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 26 ms returned sat
[2026-05-31 04:02:10] [INFO ] [Nat]Absence check using state equation in 5523 ms returned sat
[2026-05-31 04:02:11] [INFO ] [Nat]Added 120 Read/Feed constraints in 1101 ms returned sat
[2026-05-31 04:02:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 288 ms
[2026-05-31 04:02:11] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 133 ms.
[2026-05-31 04:02:13] [INFO ] Added : 42 causal constraints over 9 iterations in 1537 ms. Result :sat
Minimization took 5193 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 1] Max Struct:[525, 4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 1] Max Struct:[525, 4]
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 20 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 19 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 04:02:18] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 04:02:18] [INFO ] Invariant cache hit.
[2026-05-31 04:02:20] [INFO ] Implicit Places using invariants in 1753 ms returned []
[2026-05-31 04:02:20] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 04:02:20] [INFO ] Invariant cache hit.
[2026-05-31 04:02:21] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 04:02:44] [INFO ] Implicit Places using invariants and state equation in 24311 ms returned []
Implicit Place search using SMT with State Equation took 26085 ms to find 0 implicit places.
[2026-05-31 04:02:44] [INFO ] Redundant transitions in 22 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26140 ms. Remains : 472/472 places, 1144/1144 transitions.
[2026-05-31 04:02:44] [INFO ] Flatten gal took : 52 ms
[2026-05-31 04:02:44] [INFO ] Flatten gal took : 52 ms
[2026-05-31 04:02:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality493456254322153897.gal : 7 ms
[2026-05-31 04:02:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7452714685182724181.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/ReachabilityCardinality493456254322153897.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7452714685182724181.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 ...327
RANDOM walk for 40000 steps (14 resets) in 764 ms. (52 steps per ms) remains 4/4 properties
Loading property file /tmp/ReachabilityCardinality7452714685182724181.prop.
BEST_FIRST walk for 40004 steps (10 resets) in 346 ms. (115 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (9 resets) in 325 ms. (122 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40000 steps (9 resets) in 256 ms. (155 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 225 ms. (177 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :12 after 14
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :14 after 16
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :16 after 17
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :17 after 28
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :28 after 38
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :38 after 270
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :270 after 1832
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :1832 after 2040
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :2040 after 4460
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :4460 after 8266
Interrupted probabilistic random walk after 78945 steps, run timeout after 3001 ms. (steps per millisecond=26 ) properties seen :0 out of 4
Probabilistic random walk after 78945 steps, saw 51633 distinct states, run finished after 3001 ms. (steps per millisecond=26 ) properties seen :0
[2026-05-31 04:02:48] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 04:02:48] [INFO ] Invariant cache hit.
[2026-05-31 04:02:48] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem MAX0 is UNSAT
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 4/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/42 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/42 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/45 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/45 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :8266 after 11168
Solver is answering 'unknown', stopping.
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :11168 after 27974
After SMT solving in domain Real declared 1594/1596 variables, and 515 constraints, problems are : Problem set: 1 solved, 3 unsolved in 4557 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 470/472 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 4/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 5/26 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/432 variables, 0/26 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 2/434 variables, 1/27 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/434 variables, 0/27 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 33/467 variables, 20/47 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 1124/1594 variables, 470/520 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1594/1596 variables, and 640 constraints, problems are : Problem set: 1 solved, 3 unsolved in 4586 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 470/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 0/4 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9164ms problems are : Problem set: 1 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 487 ms.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 23 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 472/472 places, 1144/1144 transitions.
RANDOM walk for 40000 steps (13 resets) in 424 ms. (94 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (12 resets) in 248 ms. (160 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (8 resets) in 210 ms. (189 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 235 ms. (169 steps per ms) remains 3/3 properties
SDD proceeding with computation,4 properties remain. new max is 32768
SDD size :27974 after 356943
Interrupted probabilistic random walk after 115924 steps, run timeout after 3001 ms. (steps per millisecond=38 ) properties seen :0 out of 3
Probabilistic random walk after 115924 steps, saw 74619 distinct states, run finished after 3001 ms. (steps per millisecond=38 ) properties seen :0
[2026-05-31 04:03:01] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 04:03:01] [INFO ] Invariant cache hit.
[2026-05-31 04:03:01] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 2/434 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/434 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 33/467 variables, 20/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/467 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 3/470 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/470 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 1124/1594 variables, 470/511 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1594 variables, 120/631 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 0/631 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 2/1596 variables, 2/633 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1596 variables, 1/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1596/1596 variables, and 634 constraints, problems are : Problem set: 0 solved, 3 unsolved in 3187 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 9/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 1124/1594 variables, 470/520 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 120/640 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 65536
SDD size :356943 after 557338
At refinement iteration 14 (INCLUDED_ONLY) 0/1594 variables, 3/643 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1594 variables, 0/643 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 2/1596 variables, 2/645 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1596 variables, 1/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1596 variables, 0/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 0/1596 variables, 0/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1596/1596 variables, and 646 constraints, problems are : Problem set: 0 solved, 3 unsolved in 10753 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 13949ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 2474 ms.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 20 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 19 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 04:03:17] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 04:03:17] [INFO ] Invariant cache hit.
[2026-05-31 04:03:19] [INFO ] Implicit Places using invariants in 1668 ms returned []
[2026-05-31 04:03:19] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 04:03:19] [INFO ] Invariant cache hit.
[2026-05-31 04:03:20] [INFO ] State equation strengthened by 120 read => feed constraints.
Detected timeout of ITS tools.
[2026-05-31 04:03:34] [INFO ] Flatten gal took : 36 ms
[2026-05-31 04:03:34] [INFO ] Applying decomposition
[2026-05-31 04:03:34] [INFO ] Flatten gal took : 35 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph3792235801463997887.txt' '-o' '/tmp/graph3792235801463997887.bin' '-w' '/tmp/graph3792235801463997887.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph3792235801463997887.bin' '-l' '-1' '-v' '-w' '/tmp/graph3792235801463997887.weights' '-q' '0' '-e' '0.001'
[2026-05-31 04:03:34] [INFO ] Decomposing Gal with order
[2026-05-31 04:03:34] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 04:03:34] [INFO ] Removed a total of 921 redundant transitions.
[2026-05-31 04:03:34] [INFO ] Flatten gal took : 132 ms
[2026-05-31 04:03:34] [INFO ] Fuse similar labels procedure discarded/fused a total of 907 labels/synchronizations in 19 ms.
[2026-05-31 04:03:35] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6845333432295032687.gal : 8 ms
[2026-05-31 04:03:35] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12879856768355600672.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/ReachabilityCardinality6845333432295032687.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12879856768355600672.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/ReachabilityCardinality12879856768355600672.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 13
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :13 after 18
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :18 after 23
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :23 after 38
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :38 after 138
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :138 after 380
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :380 after 1760
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :1760 after 21300
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :21300 after 26511
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :26511 after 27050
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :27050 after 35249
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :35249 after 39982
[2026-05-31 04:03:43] [INFO ] Implicit Places using invariants and state equation in 24301 ms returned []
Implicit Place search using SMT with State Equation took 25977 ms to find 0 implicit places.
[2026-05-31 04:03:43] [INFO ] Redundant transitions in 21 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26036 ms. Remains : 472/472 places, 1144/1144 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 20 place count 472 transition count 1124
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -40
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 40 place count 462 transition count 1164
Drop transitions (Redundant composition of simpler transitions.) removed 40 transitions
Redundant transition composition rules discarded 40 transitions
Iterating global reduction 1 with 40 rules applied. Total rules applied 80 place count 462 transition count 1124
Free-agglomeration rule applied 10 times.
Iterating global reduction 1 with 10 rules applied. Total rules applied 90 place count 462 transition count 1114
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 100 place count 452 transition count 1114
Free-agglomeration rule (complex) applied 10 times.
Iterating global reduction 2 with 10 rules applied. Total rules applied 110 place count 452 transition count 1104
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 120 place count 442 transition count 1104
Applied a total of 120 rules in 96 ms. Remains 442 /472 variables (removed 30) and now considering 1104/1144 (removed 40) transitions.
Running SMT prover for 3 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8067483524112201356.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5014793053816675000.kers'
[2026-05-31 04:03:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8067483524112201356.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5014793053816675000.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1104 rows 437 cols 5312 entries
Finished phase 1 with 210 SingleSign rule and 190 generalized
[2026-05-31 04:03:43] [INFO ] Computed 42 invariants in 9 ms
Computed 42 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-5014793053816675000.kers
Total runtime 11 ms.
[2026-05-31 04:03:43] [INFO ] [Real]Absence check using 17 positive place invariants in 25 ms returned sat
[2026-05-31 04:03:43] [INFO ] [Real]Absence check using 17 positive and 25 generalized place invariants in 27 ms returned sat
[2026-05-31 04:03:43] [INFO ] After 195ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2026-05-31 04:03:44] [INFO ] [Nat]Absence check using 17 positive place invariants in 17 ms returned sat
[2026-05-31 04:03:44] [INFO ] [Nat]Absence check using 17 positive and 25 generalized place invariants in 36 ms returned sat
[2026-05-31 04:03:55] [INFO ] After 11559ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
[2026-05-31 04:03:58] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 621 ms
TRAPS : Iteration 1
[2026-05-31 04:03:59] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 665 ms
[2026-05-31 04:04:02] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 2545 ms
TRAPS : Iteration 2
[2026-05-31 04:04:04] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 653 ms
TRAPS : Iteration 3
[2026-05-31 04:04:08] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 2153 ms
SDD proceeding with computation,3 properties remain. new max is 16384
TRAPS : Iteration 4
SDD size :39982 after 138740
[2026-05-31 04:04:09] [INFO ] After 25134ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2026-05-31 04:04:10] [INFO ] After 26216ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
[2026-05-31 04:04:10] [INFO ] Flatten gal took : 38 ms
[2026-05-31 04:04:10] [INFO ] Flatten gal took : 35 ms
[2026-05-31 04:04:10] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17194548244939501897.gal : 8 ms
[2026-05-31 04:04:10] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10376214950868590034.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/ReachabilityCardinality17194548244939501897.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10376214950868590034.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/ReachabilityCardinality10376214950868590034.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :9 after 11
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :11 after 12
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :12 after 13
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :13 after 18
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :18 after 103
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :103 after 262
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :262 after 3627
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :3627 after 6557
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :6557 after 13945
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :13945 after 16275
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :16275 after 24239
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :24239 after 59431
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :59431 after 203795
Detected timeout of ITS tools.
Detected timeout of ITS tools.
[2026-05-31 04:04:25] [INFO ] Flatten gal took : 30 ms
[2026-05-31 04:04:25] [INFO ] Applying decomposition
[2026-05-31 04:04:25] [INFO ] Flatten gal took : 31 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph1509177082868356447.txt' '-o' '/tmp/graph1509177082868356447.bin' '-w' '/tmp/graph1509177082868356447.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph1509177082868356447.bin' '-l' '-1' '-v' '-w' '/tmp/graph1509177082868356447.weights' '-q' '0' '-e' '0.001'
[2026-05-31 04:04:25] [INFO ] Decomposing Gal with order
[2026-05-31 04:04:25] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 04:04:25] [INFO ] Removed a total of 1027 redundant transitions.
[2026-05-31 04:04:25] [INFO ] Flatten gal took : 112 ms
[2026-05-31 04:04:25] [INFO ] Fuse similar labels procedure discarded/fused a total of 659 labels/synchronizations in 16 ms.
[2026-05-31 04:04:25] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18626234170194987.gal : 7 ms
[2026-05-31 04:04:25] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality213670350596503737.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/ReachabilityCardinality18626234170194987.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality213670350596503737.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 ...325
Loading property file /tmp/ReachabilityCardinality213670350596503737.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :12 after 37
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :37 after 42
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :42 after 47
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :47 after 89
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :227 after 383
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :383 after 1003
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :1003 after 1563
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :1563 after 4367
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :4367 after 6169
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :6169 after 25999
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 57087 ms.
Current structural bounds on expressions (after reachability check) : Max Seen:[2, 1] Max Struct:[524, 4]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16208535756618499102.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17584224322613440628.kers'
[2026-05-31 04:04:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16208535756618499102.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17584224322613440628.kers]
Normalized transition count is 1124 out of 1144 initially.
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 04:04:40] [INFO ] Computed 42 invariants in 9 ms
Computed 42 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-17584224322613440628.kers
Total runtime 11 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 1] Max Struct:[524, 4]
RANDOM walk for 1000000 steps (356 resets) in 6528 ms. (153 steps per ms)
BEST_FIRST walk for 2000002 steps (136 resets) in 5658 ms. (353 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 1] Max Struct:[524, 4]
[2026-05-31 04:04:52] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15835275358087465858.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13685139436478713482.kers'
[2026-05-31 04:04:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15835275358087465858.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13685139436478713482.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 04:04:52] [INFO ] Computed 42 invariants in 9 ms
Computed 42 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-13685139436478713482.kers
Total runtime 12 ms.
[2026-05-31 04:04:53] [INFO ] [Real]Absence check using 14 positive place invariants in 10 ms returned sat
[2026-05-31 04:04:53] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 34 ms returned sat
[2026-05-31 04:04:54] [INFO ] [Real]Absence check using state equation in 1572 ms returned sat
[2026-05-31 04:04:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 04:04:54] [INFO ] [Nat]Absence check using 14 positive place invariants in 9 ms returned sat
[2026-05-31 04:04:54] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 28 ms returned sat
[2026-05-31 04:04:56] [INFO ] [Nat]Absence check using state equation in 1781 ms returned sat
[2026-05-31 04:04:56] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 04:04:57] [INFO ] [Nat]Added 120 Read/Feed constraints in 579 ms returned sat
[2026-05-31 04:04:57] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 90 ms.
[2026-05-31 04:04:57] [INFO ] Added : 20 causal constraints over 4 iterations in 641 ms. Result :sat
Minimization took 4976 ms.
[2026-05-31 04:05:03] [INFO ] [Real]Absence check using 14 positive place invariants in 10 ms returned sat
[2026-05-31 04:05:03] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 28 ms returned sat
[2026-05-31 04:05:04] [INFO ] [Real]Absence check using state equation in 1681 ms returned sat
[2026-05-31 04:05:04] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 04:05:04] [INFO ] [Nat]Absence check using 14 positive place invariants in 9 ms returned sat
[2026-05-31 04:05:04] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 26 ms returned sat
[2026-05-31 04:05:10] [INFO ] [Nat]Absence check using state equation in 5304 ms returned sat
[2026-05-31 04:05:11] [INFO ] [Nat]Added 120 Read/Feed constraints in 1092 ms returned sat
[2026-05-31 04:05:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 225 ms
[2026-05-31 04:05:11] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 81 ms.
[2026-05-31 04:05:12] [INFO ] Added : 42 causal constraints over 9 iterations in 913 ms. Result :sat
Minimization took 4928 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 1] Max Struct:[524, 4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 1] Max Struct:[524, 4]
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 27 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 18 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 04:05:17] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 04:05:17] [INFO ] Invariant cache hit.
[2026-05-31 04:05:19] [INFO ] Implicit Places using invariants in 1638 ms returned []
[2026-05-31 04:05:19] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 04:05:19] [INFO ] Invariant cache hit.
[2026-05-31 04:05:20] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 04:05:43] [INFO ] Implicit Places using invariants and state equation in 24121 ms returned []
Implicit Place search using SMT with State Equation took 25776 ms to find 0 implicit places.
[2026-05-31 04:05:43] [INFO ] Redundant transitions in 23 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25831 ms. Remains : 472/472 places, 1144/1144 transitions.
[2026-05-31 04:05:43] [INFO ] Flatten gal took : 52 ms
[2026-05-31 04:05:43] [INFO ] Flatten gal took : 51 ms
[2026-05-31 04:05:43] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18160233344496548458.gal : 19 ms
[2026-05-31 04:05:43] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4093046660326355882.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/ReachabilityCardinality18160233344496548458.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4093046660326355882.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
RANDOM walk for 40000 steps (18 resets) in 527 ms. (75 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (11 resets) in 265 ms. (150 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (8 resets) in 250 ms. (159 steps per ms) remains 4/4 properties
Loading property file /tmp/ReachabilityCardinality4093046660326355882.prop.
BEST_FIRST walk for 40003 steps (8 resets) in 222 ms. (179 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (8 resets) in 172 ms. (231 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :12 after 14
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :14 after 16
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :16 after 17
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :17 after 28
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :28 after 38
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :38 after 270
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :270 after 1832
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :1832 after 2040
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :2040 after 4460
Interrupted probabilistic random walk after 97515 steps, run timeout after 3001 ms. (steps per millisecond=32 ) properties seen :0 out of 4
Probabilistic random walk after 97515 steps, saw 63240 distinct states, run finished after 3001 ms. (steps per millisecond=32 ) properties seen :0
[2026-05-31 04:05:46] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 04:05:46] [INFO ] Invariant cache hit.
[2026-05-31 04:05:46] [INFO ] State equation strengthened by 120 read => feed constraints.
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :4460 after 8266
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem MAX0 is UNSAT
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 4/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/42 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/42 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/45 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/45 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :8266 after 11168
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1594/1596 variables, and 515 constraints, problems are : Problem set: 1 solved, 3 unsolved in 4299 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 470/472 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 4/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 5/26 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/432 variables, 0/26 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 16384
At refinement iteration 7 (OVERLAPS) 2/434 variables, 1/27 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD size :11168 after 27974
At refinement iteration 8 (INCLUDED_ONLY) 0/434 variables, 0/27 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 33/467 variables, 20/47 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 1124/1594 variables, 470/520 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1594/1596 variables, and 640 constraints, problems are : Problem set: 1 solved, 3 unsolved in 5009 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 470/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 0/4 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9318ms problems are : Problem set: 1 solved, 3 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 28 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 472/472 places, 1144/1144 transitions.
RANDOM walk for 40000 steps (14 resets) in 454 ms. (87 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (9 resets) in 221 ms. (180 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 193 ms. (206 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (8 resets) in 214 ms. (186 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 114077 steps, run timeout after 3001 ms. (steps per millisecond=38 ) properties seen :0 out of 3
Probabilistic random walk after 114077 steps, saw 73494 distinct states, run finished after 3001 ms. (steps per millisecond=38 ) properties seen :0
[2026-05-31 04:05:59] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 04:05:59] [INFO ] Invariant cache hit.
[2026-05-31 04:05:59] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 2/434 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/434 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 33/467 variables, 20/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/467 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 3/470 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/470 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 32768
SDD size :27974 after 356943
At refinement iteration 11 (OVERLAPS) 1124/1594 variables, 470/511 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1594 variables, 120/631 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 0/631 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 2/1596 variables, 2/633 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1596 variables, 1/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1596/1596 variables, and 634 constraints, problems are : Problem set: 0 solved, 3 unsolved in 3529 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 9/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 1124/1594 variables, 470/520 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 120/640 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1594 variables, 3/643 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1594 variables, 0/643 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 65536
SDD size :356943 after 557338
At refinement iteration 16 (OVERLAPS) 2/1596 variables, 2/645 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1596 variables, 1/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1596 variables, 0/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 0/1596 variables, 0/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1596/1596 variables, and 646 constraints, problems are : Problem set: 0 solved, 3 unsolved in 11526 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 15064ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 5869 ms.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 20 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 20 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 04:06:20] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 04:06:20] [INFO ] Invariant cache hit.
[2026-05-31 04:06:22] [INFO ] Implicit Places using invariants in 1645 ms returned []
[2026-05-31 04:06:22] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 04:06:22] [INFO ] Invariant cache hit.
[2026-05-31 04:06:23] [INFO ] State equation strengthened by 120 read => feed constraints.
Detected timeout of ITS tools.
[2026-05-31 04:06:33] [INFO ] Flatten gal took : 35 ms
[2026-05-31 04:06:33] [INFO ] Applying decomposition
[2026-05-31 04:06:33] [INFO ] Flatten gal took : 37 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph11002048831931267915.txt' '-o' '/tmp/graph11002048831931267915.bin' '-w' '/tmp/graph11002048831931267915.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph11002048831931267915.bin' '-l' '-1' '-v' '-w' '/tmp/graph11002048831931267915.weights' '-q' '0' '-e' '0.001'
[2026-05-31 04:06:33] [INFO ] Decomposing Gal with order
[2026-05-31 04:06:33] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 04:06:33] [INFO ] Removed a total of 887 redundant transitions.
[2026-05-31 04:06:33] [INFO ] Flatten gal took : 133 ms
[2026-05-31 04:06:33] [INFO ] Fuse similar labels procedure discarded/fused a total of 900 labels/synchronizations in 19 ms.
[2026-05-31 04:06:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16609165871495292871.gal : 8 ms
[2026-05-31 04:06:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6662529163983369873.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/ReachabilityCardinality16609165871495292871.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6662529163983369873.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/ReachabilityCardinality6662529163983369873.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :5 after 7
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :7 after 20
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :20 after 50
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :50 after 92
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :230 after 272
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :272 after 362
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :362 after 544
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :544 after 935
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :935 after 990
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :990 after 1510
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :1510 after 2524
[2026-05-31 04:06:47] [INFO ] Implicit Places using invariants and state equation in 24939 ms returned []
Implicit Place search using SMT with State Equation took 26595 ms to find 0 implicit places.
[2026-05-31 04:06:47] [INFO ] Redundant transitions in 23 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26646 ms. Remains : 472/472 places, 1144/1144 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 20 place count 472 transition count 1124
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -40
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 40 place count 462 transition count 1164
Drop transitions (Redundant composition of simpler transitions.) removed 40 transitions
Redundant transition composition rules discarded 40 transitions
Iterating global reduction 1 with 40 rules applied. Total rules applied 80 place count 462 transition count 1124
Free-agglomeration rule applied 10 times.
Iterating global reduction 1 with 10 rules applied. Total rules applied 90 place count 462 transition count 1114
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 100 place count 452 transition count 1114
Free-agglomeration rule (complex) applied 10 times.
Iterating global reduction 2 with 10 rules applied. Total rules applied 110 place count 452 transition count 1104
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 120 place count 442 transition count 1104
Applied a total of 120 rules in 95 ms. Remains 442 /472 variables (removed 30) and now considering 1104/1144 (removed 40) transitions.
Running SMT prover for 3 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17403223999375673502.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6079579391248914554.kers'
[2026-05-31 04:06:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17403223999375673502.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6079579391248914554.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1104 rows 437 cols 5312 entries
Finished phase 1 with 210 SingleSign rule and 190 generalized
[2026-05-31 04:06:47] [INFO ] Computed 42 invariants in 9 ms
Computed 42 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-6079579391248914554.kers
Total runtime 11 ms.
[2026-05-31 04:06:47] [INFO ] [Real]Absence check using 17 positive place invariants in 19 ms returned sat
[2026-05-31 04:06:47] [INFO ] [Real]Absence check using 17 positive and 25 generalized place invariants in 32 ms returned sat
[2026-05-31 04:06:47] [INFO ] After 196ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2026-05-31 04:06:47] [INFO ] [Nat]Absence check using 17 positive place invariants in 18 ms returned sat
[2026-05-31 04:06:47] [INFO ] [Nat]Absence check using 17 positive and 25 generalized place invariants in 37 ms returned sat
[2026-05-31 04:06:59] [INFO ] After 12026ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :2524 after 21220
[2026-05-31 04:07:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 672 ms
TRAPS : Iteration 1
[2026-05-31 04:07:03] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 713 ms
[2026-05-31 04:07:06] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 2339 ms
TRAPS : Iteration 2
[2026-05-31 04:07:07] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 463 ms
TRAPS : Iteration 3
[2026-05-31 04:07:11] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 2117 ms
TRAPS : Iteration 4
[2026-05-31 04:07:12] [INFO ] After 24768ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2026-05-31 04:07:13] [INFO ] After 25873ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
[2026-05-31 04:07:13] [INFO ] Flatten gal took : 45 ms
[2026-05-31 04:07:13] [INFO ] Flatten gal took : 34 ms
[2026-05-31 04:07:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12123609561570555916.gal : 7 ms
[2026-05-31 04:07:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10009760126065480888.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/ReachabilityCardinality12123609561570555916.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10009760126065480888.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/ReachabilityCardinality10009760126065480888.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :9 after 11
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :11 after 12
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :12 after 13
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :13 after 18
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :18 after 103
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :103 after 262
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :262 after 3627
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :3627 after 6557
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :6557 after 13945
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :13945 after 16275
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :16275 after 24239
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :24239 after 59431
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :35918 after 70740
Detected timeout of ITS tools.
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :59431 after 203795
Detected timeout of ITS tools.
[2026-05-31 04:07:28] [INFO ] Flatten gal took : 32 ms
[2026-05-31 04:07:28] [INFO ] Applying decomposition
[2026-05-31 04:07:28] [INFO ] Flatten gal took : 33 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph8644249250488327327.txt' '-o' '/tmp/graph8644249250488327327.bin' '-w' '/tmp/graph8644249250488327327.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph8644249250488327327.bin' '-l' '-1' '-v' '-w' '/tmp/graph8644249250488327327.weights' '-q' '0' '-e' '0.001'
[2026-05-31 04:07:28] [INFO ] Decomposing Gal with order
[2026-05-31 04:07:28] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 04:07:28] [INFO ] Removed a total of 952 redundant transitions.
[2026-05-31 04:07:28] [INFO ] Flatten gal took : 135 ms
[2026-05-31 04:07:28] [INFO ] Fuse similar labels procedure discarded/fused a total of 1171 labels/synchronizations in 20 ms.
[2026-05-31 04:07:28] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5602080681242712284.gal : 12 ms
[2026-05-31 04:07:28] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3983115600819306956.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/ReachabilityCardinality5602080681242712284.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3983115600819306956.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/ReachabilityCardinality3983115600819306956.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :4 after 17
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :17 after 47
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :47 after 89
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :89 after 127
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :227 after 399
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :399 after 771
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :771 after 1147
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :1147 after 1663
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :1663 after 8171
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :8171 after 15377
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 56816 ms.
Current structural bounds on expressions (after reachability check) : Max Seen:[2, 1] Max Struct:[523, 4]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6702455479663353520.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14394030817660770296.kers'
[2026-05-31 04:07:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6702455479663353520.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14394030817660770296.kers]
Normalized transition count is 1124 out of 1144 initially.
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 04:07:43] [INFO ] Computed 42 invariants in 10 ms
Computed 42 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-14394030817660770296.kers
Total runtime 12 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 1] Max Struct:[523, 4]
RANDOM walk for 1000000 steps (347 resets) in 6463 ms. (154 steps per ms)
BEST_FIRST walk for 2000000 steps (130 resets) in 5688 ms. (351 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 1] Max Struct:[523, 4]
[2026-05-31 04:07:56] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7264211489858629601.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11713792851456820694.kers'
[2026-05-31 04:07:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7264211489858629601.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11713792851456820694.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 04:07:56] [INFO ] Computed 42 invariants in 10 ms
Computed 42 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-11713792851456820694.kers
Total runtime 12 ms.
[2026-05-31 04:07:56] [INFO ] [Real]Absence check using 14 positive place invariants in 9 ms returned sat
[2026-05-31 04:07:56] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 32 ms returned sat
[2026-05-31 04:07:57] [INFO ] [Real]Absence check using state equation in 1531 ms returned sat
[2026-05-31 04:07:57] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 04:07:57] [INFO ] [Nat]Absence check using 14 positive place invariants in 9 ms returned sat
[2026-05-31 04:07:57] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 28 ms returned sat
[2026-05-31 04:07:59] [INFO ] [Nat]Absence check using state equation in 1785 ms returned sat
[2026-05-31 04:07:59] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 04:08:00] [INFO ] [Nat]Added 120 Read/Feed constraints in 578 ms returned sat
[2026-05-31 04:08:00] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 86 ms.
[2026-05-31 04:08:00] [INFO ] Added : 20 causal constraints over 4 iterations in 606 ms. Result :sat
Minimization took 5092 ms.
[2026-05-31 04:08:06] [INFO ] [Real]Absence check using 14 positive place invariants in 9 ms returned sat
[2026-05-31 04:08:06] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 26 ms returned sat
[2026-05-31 04:08:07] [INFO ] [Real]Absence check using state equation in 1653 ms returned sat
[2026-05-31 04:08:07] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 04:08:07] [INFO ] [Nat]Absence check using 14 positive place invariants in 9 ms returned sat
[2026-05-31 04:08:08] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 26 ms returned sat
[2026-05-31 04:08:13] [INFO ] [Nat]Absence check using state equation in 5386 ms returned sat
[2026-05-31 04:08:14] [INFO ] [Nat]Added 120 Read/Feed constraints in 1090 ms returned sat
[2026-05-31 04:08:14] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 241 ms
[2026-05-31 04:08:14] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 89 ms.
[2026-05-31 04:08:15] [INFO ] Added : 42 causal constraints over 9 iterations in 926 ms. Result :sat
Minimization took 5103 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 1] Max Struct:[523, 4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 1] Max Struct:[523, 4]
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 22 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 19 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 04:08:20] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 04:08:20] [INFO ] Invariant cache hit.
[2026-05-31 04:08:22] [INFO ] Implicit Places using invariants in 1558 ms returned []
[2026-05-31 04:08:22] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 04:08:22] [INFO ] Invariant cache hit.
[2026-05-31 04:08:23] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 04:08:47] [INFO ] Implicit Places using invariants and state equation in 24976 ms returned []
Implicit Place search using SMT with State Equation took 26551 ms to find 0 implicit places.
[2026-05-31 04:08:47] [INFO ] Redundant transitions in 23 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26607 ms. Remains : 472/472 places, 1144/1144 transitions.
[2026-05-31 04:08:47] [INFO ] Flatten gal took : 68 ms
[2026-05-31 04:08:47] [INFO ] Flatten gal took : 36 ms
[2026-05-31 04:08:47] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality43512130055785384.gal : 7 ms
[2026-05-31 04:08:47] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18386982657497718409.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/ReachabilityCardinality43512130055785384.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18386982657497718409.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 ...327
RANDOM walk for 40000 steps (16 resets) in 688 ms. (58 steps per ms) remains 4/4 properties
Loading property file /tmp/ReachabilityCardinality18386982657497718409.prop.
BEST_FIRST walk for 40002 steps (10 resets) in 462 ms. (86 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40001 steps (11 resets) in 431 ms. (92 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 422 ms. (94 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40001 steps (8 resets) in 368 ms. (108 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :12 after 14
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :14 after 16
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :16 after 17
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :17 after 28
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :28 after 38
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :38 after 270
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :270 after 1832
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :1832 after 2040
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :2040 after 4460
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :4460 after 8266
Interrupted probabilistic random walk after 100883 steps, run timeout after 3001 ms. (steps per millisecond=33 ) properties seen :0 out of 4
Probabilistic random walk after 100883 steps, saw 65334 distinct states, run finished after 3001 ms. (steps per millisecond=33 ) properties seen :0
[2026-05-31 04:08:51] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 04:08:51] [INFO ] Invariant cache hit.
[2026-05-31 04:08:51] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem MAX0 is UNSAT
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 4/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/42 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/42 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/45 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/45 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :8266 after 11168
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1594/1596 variables, and 515 constraints, problems are : Problem set: 1 solved, 3 unsolved in 4186 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 470/472 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 4/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :11168 after 27974
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 5/26 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/432 variables, 0/26 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 2/434 variables, 1/27 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/434 variables, 0/27 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 33/467 variables, 20/47 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 1124/1594 variables, 470/520 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1594/1596 variables, and 640 constraints, problems are : Problem set: 1 solved, 3 unsolved in 5022 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 470/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 0/4 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9217ms problems are : Problem set: 1 solved, 3 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 21 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 472/472 places, 1144/1144 transitions.
RANDOM walk for 40000 steps (18 resets) in 505 ms. (79 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (9 resets) in 223 ms. (178 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 177 ms. (224 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (8 resets) in 222 ms. (179 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 114129 steps, run timeout after 3001 ms. (steps per millisecond=38 ) properties seen :0 out of 3
Probabilistic random walk after 114129 steps, saw 73514 distinct states, run finished after 3001 ms. (steps per millisecond=38 ) properties seen :0
[2026-05-31 04:09:03] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 04:09:03] [INFO ] Invariant cache hit.
[2026-05-31 04:09:03] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 2/434 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/434 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 33/467 variables, 20/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/467 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 3/470 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/470 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 32768
SDD size :27974 after 356943
At refinement iteration 11 (OVERLAPS) 1124/1594 variables, 470/511 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1594 variables, 120/631 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 0/631 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 2/1596 variables, 2/633 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1596 variables, 1/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1596/1596 variables, and 634 constraints, problems are : Problem set: 0 solved, 3 unsolved in 3458 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 9/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 1124/1594 variables, 470/520 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 120/640 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1594 variables, 3/643 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1594 variables, 0/643 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 2/1596 variables, 2/645 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1596 variables, 1/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1596 variables, 0/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 65536
SDD size :356943 after 557338
At refinement iteration 19 (OVERLAPS) 0/1596 variables, 0/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1596/1596 variables, and 646 constraints, problems are : Problem set: 0 solved, 3 unsolved in 11276 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14748ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 5895 ms.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 20 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 20 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 04:09:24] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 04:09:24] [INFO ] Invariant cache hit.
[2026-05-31 04:09:26] [INFO ] Implicit Places using invariants in 1721 ms returned []
[2026-05-31 04:09:26] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 04:09:26] [INFO ] Invariant cache hit.
[2026-05-31 04:09:27] [INFO ] State equation strengthened by 120 read => feed constraints.
Detected timeout of ITS tools.
[2026-05-31 04:09:37] [INFO ] Flatten gal took : 37 ms
[2026-05-31 04:09:37] [INFO ] Applying decomposition
[2026-05-31 04:09:37] [INFO ] Flatten gal took : 34 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph3281052919485901406.txt' '-o' '/tmp/graph3281052919485901406.bin' '-w' '/tmp/graph3281052919485901406.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph3281052919485901406.bin' '-l' '-1' '-v' '-w' '/tmp/graph3281052919485901406.weights' '-q' '0' '-e' '0.001'
[2026-05-31 04:09:37] [INFO ] Decomposing Gal with order
[2026-05-31 04:09:37] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 04:09:37] [INFO ] Removed a total of 1093 redundant transitions.
[2026-05-31 04:09:37] [INFO ] Flatten gal took : 109 ms
[2026-05-31 04:09:38] [INFO ] Fuse similar labels procedure discarded/fused a total of 787 labels/synchronizations in 18 ms.
[2026-05-31 04:09:38] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3135337122203152591.gal : 9 ms
[2026-05-31 04:09:38] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10561397159416264959.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/ReachabilityCardinality3135337122203152591.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10561397159416264959.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/ReachabilityCardinality10561397159416264959.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :12 after 16
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :16 after 18
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :18 after 40
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :40 after 50
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :50 after 130
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :230 after 346
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :346 after 358
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :358 after 420
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :420 after 582
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :582 after 944
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :944 after 1252
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :1252 after 2152
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :2152 after 5470
[2026-05-31 04:09:51] [INFO ] Implicit Places using invariants and state equation in 24856 ms returned []
Implicit Place search using SMT with State Equation took 26582 ms to find 0 implicit places.
[2026-05-31 04:09:51] [INFO ] Redundant transitions in 23 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26634 ms. Remains : 472/472 places, 1144/1144 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 20 place count 472 transition count 1124
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -40
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 40 place count 462 transition count 1164
Drop transitions (Redundant composition of simpler transitions.) removed 40 transitions
Redundant transition composition rules discarded 40 transitions
Iterating global reduction 1 with 40 rules applied. Total rules applied 80 place count 462 transition count 1124
Free-agglomeration rule applied 10 times.
Iterating global reduction 1 with 10 rules applied. Total rules applied 90 place count 462 transition count 1114
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 100 place count 452 transition count 1114
Free-agglomeration rule (complex) applied 10 times.
Iterating global reduction 2 with 10 rules applied. Total rules applied 110 place count 452 transition count 1104
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 120 place count 442 transition count 1104
Applied a total of 120 rules in 88 ms. Remains 442 /472 variables (removed 30) and now considering 1104/1144 (removed 40) transitions.
Running SMT prover for 3 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7679077723041747833.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10386618183891528096.kers'
[2026-05-31 04:09:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7679077723041747833.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10386618183891528096.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1104 rows 437 cols 5312 entries
Finished phase 1 with 210 SingleSign rule and 190 generalized
[2026-05-31 04:09:51] [INFO ] Computed 42 invariants in 10 ms
Computed 42 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-10386618183891528096.kers
Total runtime 12 ms.
[2026-05-31 04:09:51] [INFO ] [Real]Absence check using 17 positive place invariants in 18 ms returned sat
[2026-05-31 04:09:51] [INFO ] [Real]Absence check using 17 positive and 25 generalized place invariants in 32 ms returned sat
[2026-05-31 04:09:51] [INFO ] After 205ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2026-05-31 04:09:51] [INFO ] [Nat]Absence check using 17 positive place invariants in 19 ms returned sat
[2026-05-31 04:09:51] [INFO ] [Nat]Absence check using 17 positive and 25 generalized place invariants in 40 ms returned sat
[2026-05-31 04:10:04] [INFO ] After 12919ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
[2026-05-31 04:10:07] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 696 ms
TRAPS : Iteration 1
[2026-05-31 04:10:08] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 738 ms
[2026-05-31 04:10:11] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 2675 ms
TRAPS : Iteration 2
[2026-05-31 04:10:13] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 483 ms
TRAPS : Iteration 3
SDD proceeding with computation,3 properties remain. new max is 65536
SDD size :5470 after 19700
[2026-05-31 04:10:17] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 2226 ms
TRAPS : Iteration 4
[2026-05-31 04:10:18] [INFO ] After 26685ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2026-05-31 04:10:19] [INFO ] After 27835ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
[2026-05-31 04:10:19] [INFO ] Flatten gal took : 34 ms
[2026-05-31 04:10:19] [INFO ] Flatten gal took : 35 ms
[2026-05-31 04:10:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13704331425574667835.gal : 7 ms
[2026-05-31 04:10:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17877525036856512033.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/ReachabilityCardinality13704331425574667835.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17877525036856512033.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/ReachabilityCardinality17877525036856512033.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :9 after 11
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :11 after 12
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :12 after 13
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :13 after 18
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :18 after 103
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :103 after 262
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :262 after 3627
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :3627 after 6557
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :6557 after 13945
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :13945 after 16275
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :16275 after 24239
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :24239 after 59431
Detected timeout of ITS tools.
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :59431 after 203795
Detected timeout of ITS tools.
[2026-05-31 04:10:34] [INFO ] Flatten gal took : 35 ms
[2026-05-31 04:10:34] [INFO ] Applying decomposition
[2026-05-31 04:10:34] [INFO ] Flatten gal took : 32 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph1402405604566555002.txt' '-o' '/tmp/graph1402405604566555002.bin' '-w' '/tmp/graph1402405604566555002.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph1402405604566555002.bin' '-l' '-1' '-v' '-w' '/tmp/graph1402405604566555002.weights' '-q' '0' '-e' '0.001'
[2026-05-31 04:10:34] [INFO ] Decomposing Gal with order
[2026-05-31 04:10:34] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 04:10:34] [INFO ] Removed a total of 1362 redundant transitions.
[2026-05-31 04:10:34] [INFO ] Flatten gal took : 107 ms
[2026-05-31 04:10:34] [INFO ] Fuse similar labels procedure discarded/fused a total of 1147 labels/synchronizations in 27 ms.
[2026-05-31 04:10:34] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13612299733598848115.gal : 7 ms
[2026-05-31 04:10:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17742534257064435956.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/ReachabilityCardinality13612299733598848115.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17742534257064435956.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/ReachabilityCardinality17742534257064435956.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :4 after 13
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :13 after 15
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :15 after 17
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :17 after 27
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :27 after 32
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :32 after 158
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :158 after 180
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :180 after 10787
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :10787 after 20737
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :20737 after 26031
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :26031 after 45877
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :45877 after 106007
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 58756 ms.
Current structural bounds on expressions (after reachability check) : Max Seen:[2, 1] Max Struct:[522, 4]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13070030128551561593.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8022878242390157054.kers'
[2026-05-31 04:10:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13070030128551561593.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8022878242390157054.kers]
Normalized transition count is 1124 out of 1144 initially.
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 04:10:49] [INFO ] Computed 42 invariants in 10 ms
Computed 42 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-8022878242390157054.kers
Total runtime 12 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 1] Max Struct:[522, 4]
RANDOM walk for 1000000 steps (333 resets) in 6896 ms. (144 steps per ms)
BEST_FIRST walk for 2000002 steps (156 resets) in 5816 ms. (343 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 1] Max Struct:[522, 4]
[2026-05-31 04:11:02] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12760002330527234773.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8325902222432676707.kers'
[2026-05-31 04:11:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12760002330527234773.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8325902222432676707.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 04:11:02] [INFO ] Computed 42 invariants in 13 ms
Computed 42 P flows in 13 ms.
Exported basis to /tmp/petrispot-output-8325902222432676707.kers
Total runtime 15 ms.
[2026-05-31 04:11:02] [INFO ] [Real]Absence check using 14 positive place invariants in 10 ms returned sat
[2026-05-31 04:11:02] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 32 ms returned sat
[2026-05-31 04:11:04] [INFO ] [Real]Absence check using state equation in 1503 ms returned sat
[2026-05-31 04:11:04] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 04:11:04] [INFO ] [Nat]Absence check using 14 positive place invariants in 11 ms returned sat
[2026-05-31 04:11:04] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 32 ms returned sat
[2026-05-31 04:11:06] [INFO ] [Nat]Absence check using state equation in 1987 ms returned sat
[2026-05-31 04:11:06] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 04:11:07] [INFO ] [Nat]Added 120 Read/Feed constraints in 652 ms returned sat
[2026-05-31 04:11:07] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 80 ms.
[2026-05-31 04:11:07] [INFO ] Added : 20 causal constraints over 4 iterations in 587 ms. Result :sat
Minimization took 5288 ms.
[2026-05-31 04:11:13] [INFO ] [Real]Absence check using 14 positive place invariants in 9 ms returned sat
[2026-05-31 04:11:13] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 27 ms returned sat
[2026-05-31 04:11:14] [INFO ] [Real]Absence check using state equation in 1662 ms returned sat
[2026-05-31 04:11:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-31 04:11:15] [INFO ] [Nat]Absence check using 14 positive place invariants in 10 ms returned sat
[2026-05-31 04:11:15] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 29 ms returned sat
[2026-05-31 04:11:20] [INFO ] [Nat]Absence check using state equation in 5557 ms returned sat
[2026-05-31 04:11:21] [INFO ] [Nat]Added 120 Read/Feed constraints in 1129 ms returned sat
[2026-05-31 04:11:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 250 ms
[2026-05-31 04:11:22] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 112 ms.
[2026-05-31 04:11:23] [INFO ] Added : 42 causal constraints over 9 iterations in 1122 ms. Result :sat
Minimization took 5299 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 1] Max Struct:[522, 4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 1] Max Struct:[522, 4]
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 23 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 18 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 04:11:28] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 04:11:28] [INFO ] Invariant cache hit.
[2026-05-31 04:11:30] [INFO ] Implicit Places using invariants in 1581 ms returned []
[2026-05-31 04:11:30] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 04:11:30] [INFO ] Invariant cache hit.
[2026-05-31 04:11:31] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-31 04:11:55] [INFO ] Implicit Places using invariants and state equation in 25612 ms returned []
Implicit Place search using SMT with State Equation took 27198 ms to find 0 implicit places.
[2026-05-31 04:11:55] [INFO ] Redundant transitions in 21 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27247 ms. Remains : 472/472 places, 1144/1144 transitions.
[2026-05-31 04:11:55] [INFO ] Flatten gal took : 38 ms
[2026-05-31 04:11:55] [INFO ] Flatten gal took : 39 ms
[2026-05-31 04:11:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16834433485571800056.gal : 7 ms
[2026-05-31 04:11:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4281124223955185835.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/ReachabilityCardinality16834433485571800056.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4281124223955185835.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
RANDOM walk for 40000 steps (13 resets) in 497 ms. (80 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (9 resets) in 242 ms. (164 steps per ms) remains 4/4 properties
Loading property file /tmp/ReachabilityCardinality4281124223955185835.prop.
BEST_FIRST walk for 40002 steps (8 resets) in 266 ms. (149 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 185 ms. (215 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40001 steps (8 resets) in 210 ms. (189 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :12 after 14
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :14 after 16
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :16 after 17
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :17 after 28
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :28 after 38
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :38 after 270
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :270 after 1832
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :1832 after 2040
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :2040 after 4460
Interrupted probabilistic random walk after 103531 steps, run timeout after 3001 ms. (steps per millisecond=34 ) properties seen :0 out of 4
Probabilistic random walk after 103531 steps, saw 66979 distinct states, run finished after 3001 ms. (steps per millisecond=34 ) properties seen :0
[2026-05-31 04:11:59] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 04:11:59] [INFO ] Invariant cache hit.
[2026-05-31 04:11:59] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :4460 after 8266
Problem MAX0 is UNSAT
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 4/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/42 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/42 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/45 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/45 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :8266 after 11168
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1594/1596 variables, and 515 constraints, problems are : Problem set: 1 solved, 3 unsolved in 3407 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 470/472 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 4/21 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 5/26 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/432 variables, 0/26 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 2/434 variables, 1/27 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/434 variables, 0/27 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 33/467 variables, 20/47 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :11168 after 27974
At refinement iteration 13 (OVERLAPS) 1124/1594 variables, 470/520 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1594/1596 variables, and 640 constraints, problems are : Problem set: 1 solved, 3 unsolved in 5009 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 470/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 0/4 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8425ms problems are : Problem set: 1 solved, 3 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 20 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 472/472 places, 1144/1144 transitions.
RANDOM walk for 40001 steps (10 resets) in 417 ms. (95 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 228 ms. (174 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (8 resets) in 214 ms. (186 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 213 ms. (186 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 114848 steps, run timeout after 3001 ms. (steps per millisecond=38 ) properties seen :0 out of 3
Probabilistic random walk after 114848 steps, saw 73966 distinct states, run finished after 3001 ms. (steps per millisecond=38 ) properties seen :0
[2026-05-31 04:12:11] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 04:12:11] [INFO ] Invariant cache hit.
[2026-05-31 04:12:11] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 2/434 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/434 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 33/467 variables, 20/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/467 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 3/470 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/470 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 1124/1594 variables, 470/511 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 32768
SDD size :27974 after 356943
At refinement iteration 12 (INCLUDED_ONLY) 0/1594 variables, 120/631 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 0/631 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 2/1596 variables, 2/633 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1596 variables, 1/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1596/1596 variables, and 634 constraints, problems are : Problem set: 0 solved, 3 unsolved in 3503 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 390/401 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/401 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 31/432 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 9/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 2/434 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/434 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 33/467 variables, 20/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 3/470 variables, 3/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 1124/1594 variables, 470/520 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1594 variables, 120/640 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1594 variables, 3/643 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1594 variables, 0/643 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 2/1596 variables, 2/645 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1596 variables, 1/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1596 variables, 0/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 0/1596 variables, 0/646 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1596/1596 variables, and 646 constraints, problems are : Problem set: 0 solved, 3 unsolved in 10476 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 13987ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
SDD proceeding with computation,4 properties remain. new max is 65536
SDD size :356943 after 557338
Parikh walk visited 0 properties in 1703 ms.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 20 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 24 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-31 04:12:26] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 04:12:26] [INFO ] Invariant cache hit.
[2026-05-31 04:12:28] [INFO ] Implicit Places using invariants in 1703 ms returned []
[2026-05-31 04:12:28] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-31 04:12:28] [INFO ] Invariant cache hit.
[2026-05-31 04:12:29] [INFO ] State equation strengthened by 120 read => feed constraints.
Detected timeout of ITS tools.
[2026-05-31 04:12:45] [INFO ] Flatten gal took : 33 ms
[2026-05-31 04:12:45] [INFO ] Applying decomposition
[2026-05-31 04:12:45] [INFO ] Flatten gal took : 34 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph10818201517058297480.txt' '-o' '/tmp/graph10818201517058297480.bin' '-w' '/tmp/graph10818201517058297480.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph10818201517058297480.bin' '-l' '-1' '-v' '-w' '/tmp/graph10818201517058297480.weights' '-q' '0' '-e' '0.001'
[2026-05-31 04:12:46] [INFO ] Decomposing Gal with order
[2026-05-31 04:12:46] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 04:12:46] [INFO ] Removed a total of 1133 redundant transitions.
[2026-05-31 04:12:46] [INFO ] Flatten gal took : 118 ms
[2026-05-31 04:12:46] [INFO ] Fuse similar labels procedure discarded/fused a total of 1224 labels/synchronizations in 25 ms.
[2026-05-31 04:12:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8644493229901559025.gal : 8 ms
[2026-05-31 04:12:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11873371645063244113.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/ReachabilityCardinality8644493229901559025.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11873371645063244113.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/ReachabilityCardinality11873371645063244113.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :7 after 16
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :16 after 19
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :19 after 20
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :20 after 34
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :34 after 40
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :40 after 154
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :154 after 180
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :2070 after 2104
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :2104 after 2852
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :2852 after 2925
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :2925 after 5956
[2026-05-31 04:12:52] [INFO ] Implicit Places using invariants and state equation in 24269 ms returned []
Implicit Place search using SMT with State Equation took 25976 ms to find 0 implicit places.
[2026-05-31 04:12:52] [INFO ] Redundant transitions in 22 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26030 ms. Remains : 472/472 places, 1144/1144 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 20 place count 472 transition count 1124
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -40
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 40 place count 462 transition count 1164
Drop transitions (Redundant composition of simpler transitions.) removed 40 transitions
Redundant transition composition rules discarded 40 transitions
Iterating global reduction 1 with 40 rules applied. Total rules applied 80 place count 462 transition count 1124
Free-agglomeration rule applied 10 times.
Iterating global reduction 1 with 10 rules applied. Total rules applied 90 place count 462 transition count 1114
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 100 place count 452 transition count 1114
Free-agglomeration rule (complex) applied 10 times.
Iterating global reduction 2 with 10 rules applied. Total rules applied 110 place count 452 transition count 1104
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 120 place count 442 transition count 1104
Applied a total of 120 rules in 106 ms. Remains 442 /472 variables (removed 30) and now considering 1104/1144 (removed 40) transitions.
Running SMT prover for 3 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9421649280958244450.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8661276874760197830.kers'
[2026-05-31 04:12:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9421649280958244450.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8661276874760197830.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 2 ms.
// Phase 1: matrix 1104 rows 437 cols 5312 entries
Finished phase 1 with 210 SingleSign rule and 190 generalized
[2026-05-31 04:12:52] [INFO ] Computed 42 invariants in 16 ms
Computed 42 P flows in 17 ms.
Exported basis to /tmp/petrispot-output-8661276874760197830.kers
Total runtime 19 ms.
[2026-05-31 04:12:53] [INFO ] [Real]Absence check using 17 positive place invariants in 27 ms returned sat
[2026-05-31 04:12:53] [INFO ] [Real]Absence check using 17 positive and 25 generalized place invariants in 48 ms returned sat
[2026-05-31 04:12:53] [INFO ] After 268ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2026-05-31 04:12:53] [INFO ] [Nat]Absence check using 17 positive place invariants in 25 ms returned sat
[2026-05-31 04:12:53] [INFO ] [Nat]Absence check using 17 positive and 25 generalized place invariants in 59 ms returned sat
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :5956 after 8288
[2026-05-31 04:13:05] [INFO ] After 12277ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
[2026-05-31 04:13:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 592 ms
TRAPS : Iteration 1
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :8288 after 15286
[2026-05-31 04:13:09] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 734 ms
[2026-05-31 04:13:12] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 2526 ms
TRAPS : Iteration 2
[2026-05-31 04:13:14] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 454 ms
TRAPS : Iteration 3
[2026-05-31 04:13:17] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 2097 ms
TRAPS : Iteration 4
[2026-05-31 04:13:18] [INFO ] After 25148ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2026-05-31 04:13:19] [INFO ] After 26280ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
[2026-05-31 04:13:19] [INFO ] Flatten gal took : 33 ms
[2026-05-31 04:13:19] [INFO ] Flatten gal took : 34 ms
[2026-05-31 04:13:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5866904204844151892.gal : 7 ms
[2026-05-31 04:13:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8566035771878191460.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/ReachabilityCardinality5866904204844151892.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8566035771878191460.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/ReachabilityCardinality8566035771878191460.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :9 after 11
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :11 after 12
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :12 after 13
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :13 after 18
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :18 after 103
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :103 after 262
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :262 after 3627
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :3627 after 6557
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :6557 after 13945
SDD proceeding with computation,3 properties remain. new max is 65536
SDD size :15286 after 24438
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :13945 after 16275
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :16275 after 24239
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :24239 after 59431
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :59431 after 203795
Detected timeout of ITS tools.
[2026-05-31 04:13:34] [INFO ] Flatten gal took : 35 ms
[2026-05-31 04:13:34] [INFO ] Applying decomposition
[2026-05-31 04:13:34] [INFO ] Flatten gal took : 36 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph5635180909323298583.txt' '-o' '/tmp/graph5635180909323298583.bin' '-w' '/tmp/graph5635180909323298583.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph5635180909323298583.bin' '-l' '-1' '-v' '-w' '/tmp/graph5635180909323298583.weights' '-q' '0' '-e' '0.001'
[2026-05-31 04:13:34] [INFO ] Decomposing Gal with order
[2026-05-31 04:13:34] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-31 04:13:34] [INFO ] Removed a total of 912 redundant transitions.
[2026-05-31 04:13:34] [INFO ] Flatten gal took : 117 ms
[2026-05-31 04:13:34] [INFO ] Fuse similar labels procedure discarded/fused a total of 966 labels/synchronizations in 20 ms.
[2026-05-31 04:13:35] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality774282168772540281.gal : 7 ms
[2026-05-31 04:13:35] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13092093073364288245.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/ReachabilityCardinality774282168772540281.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13092093073364288245.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/ReachabilityCardinality13092093073364288245.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :7 after 13
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :13 after 15
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :15 after 16
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :16 after 22
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :22 after 36
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :36 after 147
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :147 after 947
Detected timeout of ITS tools.
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :947 after 1193
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :1193 after 4013
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 57295 ms.
Current structural bounds on expressions (after reachability check) : Max Seen:[2, 1] Max Struct:[521, 4]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15370349600924639138.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3694979966380258040.kers'
[2026-05-31 04:13:50] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15370349600924639138.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3694979966380258040.kers]
Normalized transition count is 1124 out of 1144 initially.
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1124 rows 467 cols 5142 entries
Finished phase 1 with 242 SingleSign rule and 188 generalized
[2026-05-31 04:13:50] [INFO ] Computed 42 invariants in 9 ms
Computed 42 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-3694979966380258040.kers
Total runtime 12 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 1] Max Struct:[521, 4]
RANDOM walk for 1000000 steps (350 resets) in 6714 ms. (148 steps per ms)
BK_TIME_CONFINEMENT_REACHED
--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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="PolyORBLF-PT-S02J04T10"
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 PolyORBLF-PT-S02J04T10, 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 r210-smll-177969942200429"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/PolyORBLF-PT-S02J04T10.tgz
mv PolyORBLF-PT-S02J04T10 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;