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.r338-smll-178021499000044.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 ErlangenMainframeV1-PT-aP14C01, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r338-smll-178021499000044
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 114M
-rw-r--r-- 1 mcc users 5.9K May 27 08:52 CTLCardinality.txt
-rw-r--r-- 1 mcc users 57K May 27 08:52 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K May 27 08:49 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K May 27 08:49 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K May 27 10:30 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 27 10:30 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 27 10:30 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 27 10:30 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 8.2K May 27 08:55 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 83K May 27 08:55 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.3K May 27 08:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K May 27 08:53 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 27 10:30 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 27 10:30 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 26 18:17 equiv_col
-rw-r--r-- 1 mcc users 8 May 26 18:17 instance
-rw-r--r-- 1 mcc users 6 May 26 18:17 iscolored
-rw-r--r-- 1 mcc users 114M May 26 18:17 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME ErlangenMainframeV1-PT-aP14C01-LTLFireability-00
FORMULA_NAME ErlangenMainframeV1-PT-aP14C01-LTLFireability-01
FORMULA_NAME ErlangenMainframeV1-PT-aP14C01-LTLFireability-02
FORMULA_NAME ErlangenMainframeV1-PT-aP14C01-LTLFireability-03
FORMULA_NAME ErlangenMainframeV1-PT-aP14C01-LTLFireability-04
FORMULA_NAME ErlangenMainframeV1-PT-aP14C01-LTLFireability-05
FORMULA_NAME ErlangenMainframeV1-PT-aP14C01-LTLFireability-06
FORMULA_NAME ErlangenMainframeV1-PT-aP14C01-LTLFireability-07
FORMULA_NAME ErlangenMainframeV1-PT-aP14C01-LTLFireability-08
FORMULA_NAME ErlangenMainframeV1-PT-aP14C01-LTLFireability-09
FORMULA_NAME ErlangenMainframeV1-PT-aP14C01-LTLFireability-10
FORMULA_NAME ErlangenMainframeV1-PT-aP14C01-LTLFireability-11
FORMULA_NAME ErlangenMainframeV1-PT-aP14C01-LTLFireability-12
FORMULA_NAME ErlangenMainframeV1-PT-aP14C01-LTLFireability-13
FORMULA_NAME ErlangenMainframeV1-PT-aP14C01-LTLFireability-14
FORMULA_NAME ErlangenMainframeV1-PT-aP14C01-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1780255622621

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ErlangenMainframeV1-PT-aP14C01
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-31 19:27:05] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-31 19:27:05] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-31 19:27:11] [INFO ] Load time of PNML (sax parser for PT used): 5895 ms
[2026-05-31 19:27:11] [INFO ] Transformed 99 places.
[2026-05-31 19:27:12] [INFO ] Transformed 73829 transitions.
[2026-05-31 19:27:12] [INFO ] Found NUPN structural information;
[2026-05-31 19:27:12] [INFO ] Parsed PT model containing 99 places and 73829 transitions and 2310551 arcs in 7146 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 42 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
FORMULA ErlangenMainframeV1-PT-aP14C01-LTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ErlangenMainframeV1-PT-aP14C01-LTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ErlangenMainframeV1-PT-aP14C01-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ErlangenMainframeV1-PT-aP14C01-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 62 out of 99 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 73828/73828 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 96 transition count 73809
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 96 transition count 73809
Applied a total of 6 rules in 1268 ms. Remains 96 /99 variables (removed 3) and now considering 73809/73828 (removed 19) transitions.
[2026-05-31 19:27:14] [INFO ] Flow matrix only has 73805 transitions (discarded 4 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10872144939989031285.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13894644208532479809.kers'
[2026-05-31 19:27:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10872144939989031285.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13894644208532479809.kers]
Normalized transition count is 73804 out of 73805 initially.
Culled 0 columns in 429 ms.
// Phase 1: matrix 73804 rows 96 cols 2310369 entries
Finished phase 1 with 59 SingleSign rule and 3 generalized
[2026-05-31 19:27:17] [INFO ] Computed 34 invariants in 2138 ms
Computed 34 P flows in 2147 ms.
Exported basis to /tmp/petrispot-output-13894644208532479809.kers
Total runtime 2590 ms.
[2026-05-31 19:27:18] [INFO ] Implicit Places using invariants in 3631 ms returned []
Implicit Place search using SMT only with invariants took 3715 ms to find 0 implicit places.
Running 73808 sub problems to find dead transitions.
[2026-05-31 19:27:19] [INFO ] Flow matrix only has 73805 transitions (discarded 4 similar events)
[2026-05-31 19:27:19] [INFO ] Invariant cache hit.
[2026-05-31 19:27:22] [INFO ] State equation strengthened by 25 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
SMT process timed out in 457035ms, After SMT, problems are : Problem set: 0 solved, 73808 unsolved
Search for dead transitions found 0 dead transitions in 457778ms
Starting structural reductions in LTL mode, iteration 1 : 96/99 places, 73809/73828 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 463359 ms. Remains : 96/99 places, 73809/73828 transitions.
Starting structural reductions in LTL mode, iteration 0 : 96/96 places, 73809/73809 transitions.
Applied a total of 0 rules in 422 ms. Remains 96 /96 variables (removed 0) and now considering 73809/73809 (removed 0) transitions.
[2026-05-31 19:34:57] [INFO ] Flow matrix only has 73805 transitions (discarded 4 similar events)
[2026-05-31 19:34:57] [INFO ] Invariant cache hit.
[2026-05-31 19:34:57] [INFO ] Implicit Places using invariants in 204 ms returned []
Implicit Place search using SMT only with invariants took 209 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 639 ms. Remains : 96/96 places, 73809/73809 transitions.
Support contains 62 out of 96 places after structural reductions.
[2026-05-31 19:35:17] [INFO ] Flatten gal took : 18574 ms
[2026-05-31 19:35:36] [INFO ] Flatten gal took : 18599 ms
[2026-05-31 19:35:58] [INFO ] Input system was already deterministic with 73809 transitions.
RANDOM walk for 40000 steps (8 resets) in 55980 ms. (0 steps per ms) remains 26/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 836 ms. (4 steps per ms) remains 25/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 814 ms. (4 steps per ms) remains 24/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1349 ms. (2 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (8 resets) in 1524 ms. (2 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 756 ms. (5 steps per ms) remains 23/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 818 ms. (4 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 769 ms. (5 steps per ms) remains 22/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 764 ms. (5 steps per ms) remains 21/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1586 ms. (2 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (8 resets) in 734 ms. (5 steps per ms) remains 19/21 properties
BEST_FIRST walk for 4003 steps (8 resets) in 1189 ms. (3 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 765 ms. (5 steps per ms) remains 18/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 741 ms. (5 steps per ms) remains 17/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 703 ms. (5 steps per ms) remains 16/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 801 ms. (4 steps per ms) remains 15/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 912 ms. (4 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 1020 ms. (3 steps per ms) remains 14/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1534 ms. (2 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4003 steps (8 resets) in 929 ms. (4 steps per ms) remains 13/14 properties
BEST_FIRST walk for 4004 steps (8 resets) in 970 ms. (4 steps per ms) remains 12/13 properties
BEST_FIRST walk for 4002 steps (8 resets) in 890 ms. (4 steps per ms) remains 11/12 properties
BEST_FIRST walk for 4004 steps (8 resets) in 820 ms. (4 steps per ms) remains 10/11 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1116 ms. (3 steps per ms) remains 10/10 properties
BEST_FIRST walk for 4004 steps (8 resets) in 734 ms. (5 steps per ms) remains 10/10 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1930 ms. (2 steps per ms) remains 10/10 properties
[2026-05-31 19:36:23] [INFO ] Flow matrix only has 73805 transitions (discarded 4 similar events)
[2026-05-31 19:36:23] [INFO ] Invariant cache hit.
[2026-05-31 19:36:25] [INFO ] State equation strengthened by 25 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 8/69 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/69 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (OVERLAPS) 14/83 variables, 4/21 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/83 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Problem AtomicPropp5 is UNSAT
At refinement iteration 6 (OVERLAPS) 13/96 variables, 13/34 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/96 variables, 0/34 constraints. Problems are: Problem set: 1 solved, 9 unsolved
SMT process timed out in 7248ms, After SMT, problems are : Problem set: 1 solved, 9 unsolved
Fused 9 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 60 out of 96 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 96/96 places, 73809/73809 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 96 transition count 73804
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -17
Deduced a syphon composed of 1 places in 23 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 7 place count 95 transition count 73821
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 8 place count 95 transition count 73820
Free-agglomeration rule applied 8 times.
Iterating global reduction 2 with 8 rules applied. Total rules applied 16 place count 95 transition count 73812
Reduce places removed 8 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 28 place count 87 transition count 73808
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 30 place count 85 transition count 73793
Iterating global reduction 3 with 2 rules applied. Total rules applied 32 place count 85 transition count 73793
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 34 place count 85 transition count 73791
Free-agglomeration rule applied 2 times with reduction of 3 identical transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 36 place count 85 transition count 73786
Ensure Unique test removed 1 places
Reduce places removed 3 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 9 rules applied. Total rules applied 45 place count 82 transition count 73780
Applied a total of 45 rules in 15774 ms. Remains 82 /96 variables (removed 14) and now considering 73780/73809 (removed 29) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15786 ms. Remains : 82/96 places, 73780/73809 transitions.
RANDOM walk for 40000 steps (8 resets) in 61205 ms. (0 steps per ms) remains 9/9 properties
BEST_FIRST walk for 27289 steps (5 resets) in 15582 ms. (1 steps per ms) remains 9/9 properties
BEST_FIRST walk for 18089 steps (5 resets) in 20091 ms. (0 steps per ms) remains 9/9 properties
BEST_FIRST walk for 20117 steps (4 resets) in 20041 ms. (1 steps per ms) remains 9/9 properties
BEST_FIRST walk for 22635 steps (6 resets) in 20052 ms. (1 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 4658 ms. (8 steps per ms) remains 8/9 properties
BEST_FIRST walk for 26074 steps (6 resets) in 20025 ms. (1 steps per ms) remains 8/8 properties
BEST_FIRST walk for 31669 steps (7 resets) in 16088 ms. (1 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 4573 ms. (8 steps per ms) remains 8/8 properties
BEST_FIRST walk for 20265 steps (3 resets) in 20021 ms. (1 steps per ms) remains 8/8 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2738036753304494773.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14893290175267815052.kers'
[2026-05-31 19:37:41] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2738036753304494773.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14893290175267815052.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 380 ms.
// Phase 1: matrix 73780 rows 79 cols 2261141 entries
Finished phase 1 with 46 SingleSign rule and 3 generalized
[2026-05-31 19:37:43] [INFO ] Computed 33 invariants in 1582 ms
Computed 33 P flows in 1583 ms.
Exported basis to /tmp/petrispot-output-14893290175267815052.kers
Total runtime 1839 ms.
[2026-05-31 19:37:44] [INFO ] State equation strengthened by 24593 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/55 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 7/62 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/62 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 3/65 variables, 3/20 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/65 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 17/82 variables, 13/33 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 73862/73862 variables, and 115 constraints, problems are : Problem set: 0 solved, 8 unsolved in 45037 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 14/14 constraints, State Equation: 82/82 constraints, ReadFeed: 0/24593 constraints, PredecessorRefiner: 8/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/55 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Problem AtomicPropp18 is UNSAT
Problem AtomicPropp26 is UNSAT
At refinement iteration 1 (OVERLAPS) 7/62 variables, 16/16 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 1/17 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/62 variables, 0/17 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 3/65 variables, 3/20 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/65 variables, 0/20 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 17/82 variables, 13/33 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 0/33 constraints. Problems are: Problem set: 2 solved, 6 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 73862/73862 variables, and 115 constraints, problems are : Problem set: 2 solved, 6 unsolved in 45014 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 14/14 constraints, State Equation: 82/82 constraints, ReadFeed: 0/24593 constraints, PredecessorRefiner: 8/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 93316ms problems are : Problem set: 2 solved, 6 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 30 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 73780/73780 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 82 transition count 73768
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 1 with 12 rules applied. Total rules applied 24 place count 70 transition count 73768
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 22 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 26 place count 69 transition count 73767
Free-agglomeration rule applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 27 place count 69 transition count 73766
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 28 place count 68 transition count 73766
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 29 place count 67 transition count 49189
Iterating global reduction 3 with 1 rules applied. Total rules applied 30 place count 67 transition count 49189
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 32 place count 67 transition count 49187
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 33 place count 67 transition count 49187
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 34 place count 67 transition count 49186
Applied a total of 34 rules in 21262 ms. Remains 67 /82 variables (removed 15) and now considering 49186/73780 (removed 24594) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21262 ms. Remains : 67/82 places, 49186/73780 transitions.
Successfully simplified 3 atomic propositions for a total of 12 simplifications.
FORMULA ErlangenMainframeV1-PT-aP14C01-LTLFireability-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ErlangenMainframeV1-PT-aP14C01-LTLFireability-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 1 stabilizing places and 1 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(X(X(F(p1))))))'
Support contains 25 out of 96 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 96/96 places, 73809/73809 transitions.
Discarding 15 places :
Symmetric choice reduction at 0 with 15 rule applications. Total rules 15 place count 81 transition count 49234
Ensure Unique test removed 13 places
Iterating global reduction 0 with 28 rules applied. Total rules applied 43 place count 68 transition count 49234
Applied a total of 43 rules in 8821 ms. Remains 68 /96 variables (removed 28) and now considering 49234/73809 (removed 24575) transitions.
[2026-05-31 19:39:46] [INFO ] Flow matrix only has 49230 transitions (discarded 4 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12966372820234169670.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12658437285005220039.kers'
[2026-05-31 19:39:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12966372820234169670.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12658437285005220039.kers]
Normalized transition count is 49229 out of 49230 initially.
Culled 0 columns in 156 ms.
// Phase 1: matrix 49229 rows 68 cols 934130 entries
Finished phase 1 with 46 SingleSign rule and 1 generalized
[2026-05-31 19:39:47] [INFO ] Computed 21 invariants in 670 ms
Computed 21 P flows in 670 ms.
Exported basis to /tmp/petrispot-output-12658437285005220039.kers
Total runtime 824 ms.
[2026-05-31 19:39:50] [INFO ] Implicit Places using invariants in 4745 ms returned [41]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 4817 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 67/96 places, 49234/73809 transitions.
Applied a total of 0 rules in 217 ms. Remains 67 /67 variables (removed 0) and now considering 49234/49234 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 13857 ms. Remains : 67/96 places, 49234/73809 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(X(X(F(p1))))))'
Stuttering acceptance computed with spot in 438 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : ErlangenMainframeV1-PT-aP14C01-LTLFireability-00
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 64 ms.
FORMULA ErlangenMainframeV1-PT-aP14C01-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ErlangenMainframeV1-PT-aP14C01-LTLFireability-00 finished in 14651 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X((X(p0)||G(p1)))||(!p1 U (G(!p1)||(!p1&&G(p2)))))))'
Support contains 37 out of 96 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 96/96 places, 73809/73809 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 95 transition count 65617
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 95 transition count 65617
Applied a total of 2 rules in 1697 ms. Remains 95 /96 variables (removed 1) and now considering 65617/73809 (removed 8192) transitions.
[2026-05-31 19:39:53] [INFO ] Flow matrix only has 65613 transitions (discarded 4 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3269401705578474797.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7413583196884677007.kers'
[2026-05-31 19:39:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3269401705578474797.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7413583196884677007.kers]
Normalized transition count is 65612 out of 65613 initially.
Culled 0 columns in 422 ms.
// Phase 1: matrix 65612 rows 95 cols 2064609 entries
Finished phase 1 with 59 SingleSign rule and 2 generalized
[2026-05-31 19:39:55] [INFO ] Computed 34 invariants in 1625 ms
Computed 34 P flows in 1625 ms.
Exported basis to /tmp/petrispot-output-7413583196884677007.kers
Total runtime 2039 ms.
[2026-05-31 19:40:24] [INFO ] Implicit Places using invariants in 30641 ms returned []
Implicit Place search using SMT only with invariants took 30642 ms to find 0 implicit places.
Running 65616 sub problems to find dead transitions.
[2026-05-31 19:40:25] [INFO ] Flow matrix only has 65613 transitions (discarded 4 similar events)
[2026-05-31 19:40:25] [INFO ] Invariant cache hit.
[2026-05-31 19:40:25] [INFO ] State equation strengthened by 25 read => feed constraints.
SMT process timed out in 423438ms, After SMT, problems are : Problem set: 0 solved, 65616 unsolved
Search for dead transitions found 0 dead transitions in 423831ms
Starting structural reductions in LTL mode, iteration 1 : 95/96 places, 65617/73809 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 456395 ms. Remains : 95/96 places, 65617/73809 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X((X(p0)||G(p1)))||(!p1 U (G(!p1)||(!p1&&G(p2)))))))'
Stuttering acceptance computed with spot in 806 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (AND (NOT p0) p1), (AND (NOT p2) p1 (NOT p0)), (AND (NOT p2) (NOT p1) (NOT p0)), (NOT p1), p1, (AND p1 (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), false, false, false, false]
Running random walk in product with property : ErlangenMainframeV1-PT-aP14C01-LTLFireability-01
Product exploration timeout after 16630 steps with 0 reset in 10002 ms.
Product exploration timeout after 18220 steps with 0 reset in 10002 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge based reduction with 11 factoid took 82 ms. Reduced automaton from 16 states, 43 edges and 3 AP (stutter sensitive) to 8 states, 16 edges and 3 AP (stutter sensitive).
RANDOM walk for 40000 steps (8 resets) in 47719 ms. (0 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 3637 ms. (10 steps per ms) remains 5/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 6752 ms. (5 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 6745 ms. (5 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 5975 ms. (6 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 5873 ms. (6 steps per ms) remains 5/5 properties
BEST_FIRST walk for 21510 steps (4 resets) in 20053 ms. (1 steps per ms) remains 5/5 properties
[2026-05-31 19:48:19] [INFO ] Flow matrix only has 65613 transitions (discarded 4 similar events)
[2026-05-31 19:48:19] [INFO ] Invariant cache hit.
[2026-05-31 19:48:19] [INFO ] State equation strengthened by 25 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Problem apf9 is UNSAT
At refinement iteration 1 (OVERLAPS) 17/54 variables, 16/16 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 1/17 constraints. Problems are: Problem set: 1 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 0/17 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 14/68 variables, 4/21 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/68 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 27/95 variables, 13/34 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/95 variables, 0/34 constraints. Problems are: Problem set: 1 solved, 4 unsolved
SMT process timed out in 5904ms, After SMT, problems are : Problem set: 1 solved, 4 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 37 out of 95 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 95/95 places, 65617/65617 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Iterating post reduction 0 with 14 rules applied. Total rules applied 14 place count 95 transition count 65603
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 23 place count 86 transition count 65603
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 24 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 25 place count 85 transition count 65602
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -17
Deduced a syphon composed of 1 places in 20 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 27 place count 84 transition count 65619
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 28 place count 84 transition count 65618
Free-agglomeration rule applied 11 times.
Iterating global reduction 3 with 11 rules applied. Total rules applied 39 place count 84 transition count 65607
Reduce places removed 11 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 3 with 15 rules applied. Total rules applied 54 place count 73 transition count 65603
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 56 place count 71 transition count 65588
Iterating global reduction 4 with 2 rules applied. Total rules applied 58 place count 71 transition count 65588
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 60 place count 71 transition count 65586
Free-agglomeration rule applied 2 times with reduction of 3 identical transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 62 place count 71 transition count 65581
Ensure Unique test removed 1 places
Reduce places removed 3 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 5 with 9 rules applied. Total rules applied 71 place count 68 transition count 65575
Applied a total of 71 rules in 18771 ms. Remains 68 /95 variables (removed 27) and now considering 65575/65617 (removed 42) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18775 ms. Remains : 68/95 places, 65575/65617 transitions.
RANDOM walk for 36179 steps (8 resets) in 120020 ms. (0 steps per ms) remains 4/4 properties
BEST_FIRST walk for 16871 steps (3 resets) in 20039 ms. (0 steps per ms) remains 4/4 properties
BEST_FIRST walk for 16100 steps (3 resets) in 20053 ms. (0 steps per ms) remains 4/4 properties
BEST_FIRST walk for 17221 steps (4 resets) in 20067 ms. (0 steps per ms) remains 4/4 properties
BEST_FIRST walk for 18086 steps (4 resets) in 20107 ms. (0 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 352688 steps, run timeout after 150002 ms. (steps per millisecond=2 ) properties seen :1 out of 4
Probabilistic random walk after 352688 steps, saw 94175 distinct states, run finished after 150014 ms. (steps per millisecond=2 ) properties seen :1
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17327138444387594350.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17884608554819449877.kers'
[2026-05-31 19:52:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17327138444387594350.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17884608554819449877.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 370 ms.
// Phase 1: matrix 65575 rows 65 cols 2015355 entries
Finished phase 1 with 33 SingleSign rule and 2 generalized
[2026-05-31 19:52:06] [INFO ] Computed 33 invariants in 1791 ms
Computed 33 P flows in 1791 ms.
Exported basis to /tmp/petrispot-output-17884608554819449877.kers
Total runtime 2044 ms.
[2026-05-31 19:52:07] [INFO ] State equation strengthened by 24593 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 14/51 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/51 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 3/54 variables, 3/20 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 14/68 variables, 13/33 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/68 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 65643/65643 variables, and 101 constraints, problems are : Problem set: 0 solved, 3 unsolved in 45010 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 14/14 constraints, State Equation: 68/68 constraints, ReadFeed: 0/24593 constraints, PredecessorRefiner: 3/0 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) 0/37 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 14/51 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/51 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 3/54 variables, 3/20 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 14/68 variables, 13/33 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/68 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 65643/65643 variables, and 101 constraints, problems are : Problem set: 0 solved, 3 unsolved in 45012 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 14/14 constraints, State Equation: 68/68 constraints, ReadFeed: 0/24593 constraints, PredecessorRefiner: 3/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 93231ms problems are : Problem set: 0 solved, 3 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 37 out of 68 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 68/68 places, 65575/65575 transitions.
Applied a total of 0 rules in 3032 ms. Remains 68 /68 variables (removed 0) and now considering 65575/65575 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3033 ms. Remains : 68/68 places, 65575/65575 transitions.
Found 1 invariant AP formulas.
Knowledge based reduction with 12 factoid took 134 ms. Reduced automaton from 8 states, 16 edges and 3 AP (stutter sensitive) to 6 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 274 ms :[true, (AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0)), p1]
Knowledge-based reduction took 351314 ms.
Stuttering acceptance computed with spot in 276 ms :[true, (AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0)), p1]
Support contains 21 out of 95 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 95/95 places, 65617/65617 transitions.
Applied a total of 0 rules in 725 ms. Remains 95 /95 variables (removed 0) and now considering 65617/65617 (removed 0) transitions.
[2026-05-31 19:53:42] [INFO ] Flow matrix only has 65613 transitions (discarded 4 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9558236727171638989.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1878480801964894623.kers'
[2026-05-31 19:53:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9558236727171638989.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1878480801964894623.kers]
Normalized transition count is 65612 out of 65613 initially.
Culled 0 columns in 422 ms.
// Phase 1: matrix 65612 rows 95 cols 2064609 entries
Finished phase 1 with 59 SingleSign rule and 2 generalized
[2026-05-31 19:53:44] [INFO ] Computed 34 invariants in 1631 ms
Computed 34 P flows in 1631 ms.
Exported basis to /tmp/petrispot-output-1878480801964894623.kers
Total runtime 1863 ms.
[2026-05-31 19:54:12] [INFO ] Implicit Places using invariants in 30890 ms returned []
Implicit Place search using SMT only with invariants took 30891 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 31620 ms. Remains : 95/95 places, 65617/65617 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge based reduction with 1 factoid took 47 ms. Reduced automaton from 6 states, 8 edges and 2 AP (stutter sensitive) to 6 states, 8 edges and 2 AP (stutter sensitive).
RANDOM walk for 40000 steps (8 resets) in 49896 ms. (0 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 9193 ms. (4 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 7381 ms. (5 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 7881 ms. (5 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 8458 ms. (4 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 322554 steps, run timeout after 72001 ms. (steps per millisecond=4 ) properties seen :0 out of 4
Probabilistic random walk after 322554 steps, saw 195845 distinct states, run finished after 72001 ms. (steps per millisecond=4 ) properties seen :0
[2026-05-31 19:55:50] [INFO ] Flow matrix only has 65613 transitions (discarded 4 similar events)
[2026-05-31 19:55:50] [INFO ] Invariant cache hit.
[2026-05-31 19:55:51] [INFO ] State equation strengthened by 25 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 13/34 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/34 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 20/54 variables, 5/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 41/95 variables, 14/34 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 95/65708 variables, and 34 constraints, problems are : Problem set: 0 solved, 4 unsolved in 5158 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, Generalized P Invariants (flows): 14/14 constraints, State Equation: 0/95 constraints, ReadFeed: 0/25 constraints, PredecessorRefiner: 4/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 13/34 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/34 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 20/54 variables, 5/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 41/95 variables, 14/34 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 95/65708 variables, and 34 constraints, problems are : Problem set: 0 solved, 4 unsolved in 5209 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, Generalized P Invariants (flows): 14/14 constraints, State Equation: 0/95 constraints, ReadFeed: 0/25 constraints, PredecessorRefiner: 4/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 11325ms problems are : Problem set: 0 solved, 4 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 21 out of 95 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 95/95 places, 65617/65617 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 13 transitions
Trivial Post-agglo rules discarded 13 transitions
Performed 13 trivial Post agglomeration. Transition count delta: 13
Iterating post reduction 0 with 18 rules applied. Total rules applied 18 place count 95 transition count 65599
Reduce places removed 13 places and 0 transitions.
Iterating post reduction 1 with 13 rules applied. Total rules applied 31 place count 82 transition count 65599
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 24 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 33 place count 81 transition count 65598
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -17
Deduced a syphon composed of 1 places in 19 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 35 place count 80 transition count 65615
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 36 place count 80 transition count 65614
Free-agglomeration rule applied 8 times.
Iterating global reduction 3 with 8 rules applied. Total rules applied 44 place count 80 transition count 65606
Reduce places removed 8 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 3 with 12 rules applied. Total rules applied 56 place count 72 transition count 65602
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 59 place count 69 transition count 41010
Iterating global reduction 4 with 3 rules applied. Total rules applied 62 place count 69 transition count 41010
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 4 with 7 rules applied. Total rules applied 69 place count 69 transition count 41003
Free-agglomeration rule applied 2 times with reduction of 2 identical transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 71 place count 69 transition count 40999
Ensure Unique test removed 1 places
Reduce places removed 3 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 5 with 7 rules applied. Total rules applied 78 place count 66 transition count 40995
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 79 place count 66 transition count 40995
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 80 place count 66 transition count 40994
Applied a total of 80 rules in 24181 ms. Remains 66 /95 variables (removed 29) and now considering 40994/65617 (removed 24623) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24183 ms. Remains : 66/95 places, 40994/65617 transitions.
Knowledge based reduction with 1 factoid took 52 ms. Reduced automaton from 6 states, 8 edges and 2 AP (stutter sensitive) to 6 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 203 ms :[true, p1, (AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0))]
Knowledge-based reduction took 133534 ms.
Stuttering acceptance computed with spot in 187 ms :[true, p1, (AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0))]
Stuttering acceptance computed with spot in 232 ms :[true, p1, (AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND p1 (NOT p0))]
Product exploration timeout after 16730 steps with 0 reset in 10004 ms.
Product exploration timeout after 17260 steps with 0 reset in 10003 ms.
Spot run failed in 120 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin10018760719636981037
[2026-05-31 19:56:48] [INFO ] Built C files in 1832ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin10018760719636981037
Running compilation step : cd /tmp/ltsmin10018760719636981037;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin10018760719636981037;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin10018760719636981037;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 21 out of 95 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 95/95 places, 65617/65617 transitions.
Applied a total of 0 rules in 819 ms. Remains 95 /95 variables (removed 0) and now considering 65617/65617 (removed 0) transitions.
[2026-05-31 19:56:52] [INFO ] Flow matrix only has 65613 transitions (discarded 4 similar events)
[2026-05-31 19:56:52] [INFO ] Invariant cache hit.
[2026-05-31 19:57:24] [INFO ] Performed 61/95 implicitness test of which 0 returned IMPLICIT in 31 seconds.
[2026-05-31 19:57:32] [INFO ] Implicit Places using invariants in 39148 ms returned []
Implicit Place search using SMT only with invariants took 39150 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 39978 ms. Remains : 95/95 places, 65617/65617 transitions.
Built C files in :
/tmp/ltsmin10248532566608857585
[2026-05-31 19:57:34] [INFO ] Built C files in 2004ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin10248532566608857585
Running compilation step : cd /tmp/ltsmin10248532566608857585;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin10248532566608857585;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin10248532566608857585;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2026-05-31 19:58:09] [INFO ] Flatten gal took : 18278 ms
[2026-05-31 19:58:24] [INFO ] Flatten gal took : 15732 ms
[2026-05-31 19:58:26] [INFO ] Time to serialize gal into /tmp/LTL1085642742936185800.gal : 1978 ms
[2026-05-31 19:58:26] [INFO ] Time to serialize properties into /tmp/LTL8319180907541023274.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-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL1085642742936185800.gal' '-t' 'CGAL' '-hoa' '/tmp/aut13360625639243675439.hoa' '-atoms' '/tmp/LTL8319180907541023274.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...318
Detected timeout of ITS tools.
[2026-05-31 19:59:08] [INFO ] Flatten gal took : 15686 ms
[2026-05-31 19:59:22] [INFO ] Flatten gal took : 14698 ms
[2026-05-31 19:59:24] [INFO ] Time to serialize gal into /tmp/LTL4284028754729170488.gal : 1869 ms
[2026-05-31 19:59:24] [INFO ] Time to serialize properties into /tmp/LTL1656142242751298398.ltl : 5 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-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL4284028754729170488.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL1656142242751298398.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...275
Read 1 LTL properties
Detected timeout of ITS tools.
[2026-05-31 19:59:57] [INFO ] Flatten gal took : 16126 ms
[2026-05-31 19:59:57] [INFO ] Applying decomposition
[2026-05-31 20:00:12] [INFO ] Flatten gal took : 15416 ms
[2026-05-31 20:00:50] [WARNING] Could not apply decomposition. Using flat GAL structure.
java.util.concurrent.TimeoutException: Subprocess running '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph15975994947166142244.txt' '-o' '/tmp/graph15975994947166142244.bin' '-w' '/tmp/graph15975994947166142244.weights' killed by timeout after 10 SECONDS
at fr.lip6.move.gal.process.Runner.waitForOrTimeout(Runner.java:76)
at fr.lip6.move.gal.process.Runner.runTool(Runner.java:47)
at fr.lip6.move.gal.process.Runner.runTool(Runner.java:27)
at fr.lip6.move.gal.louvain.GraphBuilder.convertGraphToBin(GraphBuilder.java:258)
at fr.lip6.move.gal.louvain.GraphBuilder.computeLouvain(GraphBuilder.java:189)
at fr.lip6.move.gal.louvain.GraphBuilder.computeLouvain(GraphBuilder.java:157)
at fr.lip6.move.gal.application.mcc.MccTranslator.applyOrder(MccTranslator.java:114)
at fr.lip6.move.gal.application.mcc.MccTranslator.flattenSpec(MccTranslator.java:230)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.verifyWithSDD(GlobalPropertySolver.java:714)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:340)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-31 20:01:05] [INFO ] Flatten gal took : 14902 ms
[2026-05-31 20:01:06] [INFO ] Time to serialize gal into /tmp/LTL12966036363072470948.gal : 1786 ms
[2026-05-31 20:01:06] [INFO ] Time to serialize properties into /tmp/LTL7390974230714999141.ltl : 4 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-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL12966036363072470948.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL7390974230714999141.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Detected timeout of ITS tools.
Treatment of property ErlangenMainframeV1-PT-aP14C01-LTLFireability-01 finished in 1290737 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((G(p1)||p0))))'
Support contains 25 out of 96 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 96/96 places, 73809/73809 transitions.
Discarding 15 places :
Symmetric choice reduction at 0 with 15 rule applications. Total rules 15 place count 81 transition count 49234
Ensure Unique test removed 13 places
Iterating global reduction 0 with 28 rules applied. Total rules applied 43 place count 68 transition count 49234
Applied a total of 43 rules in 8957 ms. Remains 68 /96 variables (removed 28) and now considering 49234/73809 (removed 24575) transitions.
[2026-05-31 20:01:33] [INFO ] Flow matrix only has 49230 transitions (discarded 4 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12039504306643693840.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4725592073421015642.kers'
[2026-05-31 20:01:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12039504306643693840.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4725592073421015642.kers]
Normalized transition count is 49229 out of 49230 initially.
Culled 0 columns in 156 ms.
// Phase 1: matrix 49229 rows 68 cols 934130 entries
Finished phase 1 with 46 SingleSign rule and 1 generalized
[2026-05-31 20:01:34] [INFO ] Computed 21 invariants in 752 ms
Computed 21 P flows in 753 ms.
Exported basis to /tmp/petrispot-output-4725592073421015642.kers
Total runtime 909 ms.
[2026-05-31 20:01:40] [INFO ] Implicit Places using invariants in 6820 ms returned [41]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 6915 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 67/96 places, 49234/73809 transitions.
Applied a total of 0 rules in 177 ms. Remains 67 /67 variables (removed 0) and now considering 49234/49234 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 16057 ms. Remains : 67/96 places, 49234/73809 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((G(p1)||p0))))'
Stuttering acceptance computed with spot in 159 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : ErlangenMainframeV1-PT-aP14C01-LTLFireability-02
Product exploration timeout after 960 steps with 480 reset in 10038 ms.
Product exploration timeout after 960 steps with 480 reset in 10057 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge based reduction with 9 factoid took 69 ms. Proved property starting from automaton with 2 states, 3 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 548 ms.
FORMULA ErlangenMainframeV1-PT-aP14C01-LTLFireability-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ErlangenMainframeV1-PT-aP14C01-LTLFireability-02 finished in 38456 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(X(X(F((!p1 U (p2||G(!p1)))))))))'
Support contains 38 out of 96 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 96/96 places, 73809/73809 transitions.
Applied a total of 0 rules in 527 ms. Remains 96 /96 variables (removed 0) and now considering 73809/73809 (removed 0) transitions.
[2026-05-31 20:02:01] [INFO ] Flow matrix only has 73805 transitions (discarded 4 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2976082745253672079.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-179411680358379689.kers'
[2026-05-31 20:02:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2976082745253672079.kers, --Pflows, --basisKERS=/tmp/petrispot-output-179411680358379689.kers]
Normalized transition count is 73804 out of 73805 initially.
Culled 0 columns in 402 ms.
// Phase 1: matrix 73804 rows 96 cols 2310369 entries
Finished phase 1 with 59 SingleSign rule and 3 generalized
[2026-05-31 20:02:04] [INFO ] Computed 34 invariants in 1838 ms
Computed 34 P flows in 1838 ms.
Exported basis to /tmp/petrispot-output-179411680358379689.kers
Total runtime 2138 ms.
[2026-05-31 20:02:30] [INFO ] Implicit Places using invariants in 28839 ms returned []
Implicit Place search using SMT only with invariants took 28851 ms to find 0 implicit places.
Running 73808 sub problems to find dead transitions.
[2026-05-31 20:02:31] [INFO ] Flow matrix only has 73805 transitions (discarded 4 similar events)
[2026-05-31 20:02:31] [INFO ] Invariant cache hit.
[2026-05-31 20:02:32] [INFO ] State equation strengthened by 25 read => feed constraints.
SMT process timed out in 513535ms, After SMT, problems are : Problem set: 0 solved, 73808 unsolved
Search for dead transitions found 0 dead transitions in 514112ms
Finished structural reductions in LTL mode , in 1 iterations and 543904 ms. Remains : 96/96 places, 73809/73809 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(X(X(F((!p1 U (p2||G(!p1)))))))))'
Stuttering acceptance computed with spot in 207 ms :[(OR (NOT p0) (AND p1 (NOT p2))), (NOT p0), (AND (NOT p2) p1), (AND (NOT p2) p1), (AND (NOT p2) p1)]
Running random walk in product with property : ErlangenMainframeV1-PT-aP14C01-LTLFireability-05
Product exploration timeout after 1540 steps with 385 reset in 10009 ms.
Product exploration timeout after 1540 steps with 385 reset in 10030 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge based reduction with 3 factoid took 55 ms. Reduced automaton from 5 states, 7 edges and 3 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
RANDOM walk for 40000 steps (8 resets) in 57899 ms. (0 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 4689 ms. (8 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 4480 ms. (8 steps per ms) remains 1/1 properties
[2026-05-31 20:11:46] [INFO ] Flow matrix only has 73805 transitions (discarded 4 similar events)
[2026-05-31 20:11:46] [INFO ] Invariant cache hit.
[2026-05-31 20:11:47] [INFO ] State equation strengthened by 25 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 24/55 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/55 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 14/69 variables, 4/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 27/96 variables, 13/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/96 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SMT process timed out in 6193ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 31 out of 96 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 96/96 places, 73809/73809 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Iterating post reduction 0 with 13 rules applied. Total rules applied 13 place count 96 transition count 73796
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 21 place count 88 transition count 73796
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 22 place count 87 transition count 65604
Iterating global reduction 2 with 1 rules applied. Total rules applied 23 place count 87 transition count 65604
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 29 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 25 place count 86 transition count 65603
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -17
Deduced a syphon composed of 1 places in 21 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 27 place count 85 transition count 65620
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 28 place count 85 transition count 65619
Free-agglomeration rule applied 12 times.
Iterating global reduction 3 with 12 rules applied. Total rules applied 40 place count 85 transition count 65607
Reduce places removed 12 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 3 with 16 rules applied. Total rules applied 56 place count 73 transition count 65603
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 58 place count 71 transition count 65588
Iterating global reduction 4 with 2 rules applied. Total rules applied 60 place count 71 transition count 65588
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 62 place count 71 transition count 65586
Free-agglomeration rule applied 2 times with reduction of 3 identical transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 64 place count 71 transition count 65581
Ensure Unique test removed 1 places
Reduce places removed 3 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 5 with 9 rules applied. Total rules applied 73 place count 68 transition count 65575
Applied a total of 73 rules in 25829 ms. Remains 68 /96 variables (removed 28) and now considering 65575/73809 (removed 8234) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25833 ms. Remains : 68/96 places, 65575/73809 transitions.
RANDOM walk for 31586 steps (8 resets) in 120011 ms. (0 steps per ms) remains 1/1 properties
BEST_FIRST walk for 23182 steps (5 resets) in 20057 ms. (1 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 256637 steps, run timeout after 105003 ms. (steps per millisecond=2 ) properties seen :0 out of 1
Probabilistic random walk after 256637 steps, saw 84453 distinct states, run finished after 105007 ms. (steps per millisecond=2 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11473770736554227614.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18267585185181542127.kers'
[2026-05-31 20:14:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11473770736554227614.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18267585185181542127.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 345 ms.
// Phase 1: matrix 65575 rows 65 cols 2015355 entries
Finished phase 1 with 33 SingleSign rule and 2 generalized
[2026-05-31 20:14:40] [INFO ] Computed 33 invariants in 1529 ms
Computed 33 P flows in 1530 ms.
Exported basis to /tmp/petrispot-output-18267585185181542127.kers
Total runtime 1815 ms.
[2026-05-31 20:14:41] [INFO ] State equation strengthened by 24593 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 20/51 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/51 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 3/54 variables, 3/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 14/68 variables, 13/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/68 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 65643/65643 variables, and 101 constraints, problems are : Problem set: 0 solved, 1 unsolved in 31535 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 14/14 constraints, State Equation: 68/68 constraints, ReadFeed: 0/24593 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 20/51 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/51 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 3/54 variables, 3/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 14/68 variables, 13/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/68 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 65643/65643 variables, and 101 constraints, problems are : Problem set: 0 solved, 1 unsolved in 31674 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 14/14 constraints, State Equation: 68/68 constraints, ReadFeed: 0/24593 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 66093ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 31 out of 68 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 68/68 places, 65575/65575 transitions.
Applied a total of 0 rules in 2863 ms. Remains 68 /68 variables (removed 0) and now considering 65575/65575 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2865 ms. Remains : 68/68 places, 65575/65575 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 68/68 places, 65575/65575 transitions.
Applied a total of 0 rules in 2950 ms. Remains 68 /68 variables (removed 0) and now considering 65575/65575 (removed 0) transitions.
[2026-05-31 20:15:50] [INFO ] Invariant cache hit.
[2026-05-31 20:16:16] [INFO ] Implicit Places using invariants in 26340 ms returned [58, 59, 63]
[2026-05-31 20:16:16] [INFO ] Actually due to overlaps returned [58, 63]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 26567 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 66/68 places, 65575/65575 transitions.
Graph (trivial) has 5 edges and 66 vertex of which 3 / 66 are part of one of the 1 SCC in 26 ms
Free SCC test removed 2 places
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 6 transitions.
Applied a total of 1 rules in 3273 ms. Remains 64 /66 variables (removed 2) and now considering 65569/65575 (removed 6) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2177969548657877882.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8497505544620666730.kers'
[2026-05-31 20:16:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2177969548657877882.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8497505544620666730.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 367 ms.
// Phase 1: matrix 65569 rows 63 cols 2015313 entries
Finished phase 1 with 31 SingleSign rule and 2 generalized
[2026-05-31 20:16:22] [INFO ] Computed 31 invariants in 1692 ms
Computed 31 P flows in 1693 ms.
Exported basis to /tmp/petrispot-output-8497505544620666730.kers
Total runtime 1963 ms.
[2026-05-31 20:16:47] [INFO ] Implicit Places using invariants in 27053 ms returned [58]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 27265 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 63/68 places, 65569/65575 transitions.
Applied a total of 0 rules in 2904 ms. Remains 63 /63 variables (removed 0) and now considering 65569/65569 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 62991 ms. Remains : 63/68 places, 65569/65575 transitions.
Knowledge based reduction with 3 factoid took 85 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 148 ms :[(AND p1 (NOT p2)), (AND p1 (NOT p2)), (AND p1 (NOT p2)), (AND p1 (NOT p2))]
Knowledge-based reduction took 325095 ms.
Stuttering acceptance computed with spot in 146 ms :[(AND p1 (NOT p2)), (AND p1 (NOT p2)), (AND p1 (NOT p2)), (AND p1 (NOT p2))]
Support contains 31 out of 96 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 96/96 places, 73809/73809 transitions.
Applied a total of 0 rules in 508 ms. Remains 96 /96 variables (removed 0) and now considering 73809/73809 (removed 0) transitions.
[2026-05-31 20:16:51] [INFO ] Flow matrix only has 73805 transitions (discarded 4 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7887877816450996528.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5442779326412950325.kers'
[2026-05-31 20:16:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7887877816450996528.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5442779326412950325.kers]
Normalized transition count is 73804 out of 73805 initially.
Culled 0 columns in 398 ms.
// Phase 1: matrix 73804 rows 96 cols 2310369 entries
Finished phase 1 with 59 SingleSign rule and 3 generalized
[2026-05-31 20:16:53] [INFO ] Computed 34 invariants in 1786 ms
Computed 34 P flows in 1787 ms.
Exported basis to /tmp/petrispot-output-5442779326412950325.kers
Total runtime 2054 ms.
[2026-05-31 20:17:18] [INFO ] Implicit Places using invariants in 27263 ms returned []
Implicit Place search using SMT only with invariants took 27268 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 27782 ms. Remains : 96/96 places, 73809/73809 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge based reduction with 1 factoid took 53 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
RANDOM walk for 40000 steps (8 resets) in 51415 ms. (0 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 3459 ms. (11 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 4015 ms. (9 steps per ms) remains 1/1 properties
[2026-05-31 20:17:38] [INFO ] Flow matrix only has 73805 transitions (discarded 4 similar events)
[2026-05-31 20:17:38] [INFO ] Invariant cache hit.
[2026-05-31 20:17:38] [INFO ] State equation strengthened by 25 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 24/55 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/55 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 14/69 variables, 4/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 27/96 variables, 13/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/96 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SMT process timed out in 5977ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 31 out of 96 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 96/96 places, 73809/73809 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Iterating post reduction 0 with 13 rules applied. Total rules applied 13 place count 96 transition count 73796
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 21 place count 88 transition count 73796
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 22 place count 87 transition count 65604
Iterating global reduction 2 with 1 rules applied. Total rules applied 23 place count 87 transition count 65604
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 24 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 25 place count 86 transition count 65603
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -17
Deduced a syphon composed of 1 places in 19 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 27 place count 85 transition count 65620
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 28 place count 85 transition count 65619
Free-agglomeration rule applied 12 times.
Iterating global reduction 3 with 12 rules applied. Total rules applied 40 place count 85 transition count 65607
Reduce places removed 12 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 3 with 16 rules applied. Total rules applied 56 place count 73 transition count 65603
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 58 place count 71 transition count 65588
Iterating global reduction 4 with 2 rules applied. Total rules applied 60 place count 71 transition count 65588
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 62 place count 71 transition count 65586
Free-agglomeration rule applied 2 times with reduction of 3 identical transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 64 place count 71 transition count 65581
Ensure Unique test removed 1 places
Reduce places removed 3 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 5 with 9 rules applied. Total rules applied 73 place count 68 transition count 65575
Applied a total of 73 rules in 24148 ms. Remains 68 /96 variables (removed 28) and now considering 65575/73809 (removed 8234) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24151 ms. Remains : 68/96 places, 65575/73809 transitions.
RANDOM walk for 35607 steps (8 resets) in 120071 ms. (0 steps per ms) remains 1/1 properties
BEST_FIRST walk for 33747 steps (7 resets) in 16607 ms. (2 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 296939 steps, run timeout after 105002 ms. (steps per millisecond=2 ) properties seen :0 out of 1
Probabilistic random walk after 296939 steps, saw 95284 distinct states, run finished after 105003 ms. (steps per millisecond=2 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10531642574261347761.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10544625040915510515.kers'
[2026-05-31 20:20:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10531642574261347761.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10544625040915510515.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 344 ms.
// Phase 1: matrix 65575 rows 65 cols 2015355 entries
Finished phase 1 with 33 SingleSign rule and 2 generalized
[2026-05-31 20:20:30] [INFO ] Computed 33 invariants in 1516 ms
Computed 33 P flows in 1516 ms.
Exported basis to /tmp/petrispot-output-10544625040915510515.kers
Total runtime 1808 ms.
[2026-05-31 20:20:31] [INFO ] State equation strengthened by 24593 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 20/51 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/51 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 3/54 variables, 3/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 14/68 variables, 13/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/68 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 65643/65643 variables, and 101 constraints, problems are : Problem set: 0 solved, 1 unsolved in 30684 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 14/14 constraints, State Equation: 68/68 constraints, ReadFeed: 0/24593 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 20/51 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/51 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 3/54 variables, 3/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 14/68 variables, 13/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/68 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 65643/65643 variables, and 101 constraints, problems are : Problem set: 0 solved, 1 unsolved in 31163 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 14/14 constraints, State Equation: 68/68 constraints, ReadFeed: 0/24593 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64801ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 31 out of 68 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 68/68 places, 65575/65575 transitions.
Applied a total of 0 rules in 3212 ms. Remains 68 /68 variables (removed 0) and now considering 65575/65575 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3214 ms. Remains : 68/68 places, 65575/65575 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 68/68 places, 65575/65575 transitions.
Applied a total of 0 rules in 2934 ms. Remains 68 /68 variables (removed 0) and now considering 65575/65575 (removed 0) transitions.
[2026-05-31 20:21:39] [INFO ] Invariant cache hit.
[2026-05-31 20:22:05] [INFO ] Implicit Places using invariants in 25896 ms returned [58, 59, 63]
[2026-05-31 20:22:05] [INFO ] Actually due to overlaps returned [58, 63]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 26056 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 66/68 places, 65575/65575 transitions.
Graph (trivial) has 5 edges and 66 vertex of which 3 / 66 are part of one of the 1 SCC in 3 ms
Free SCC test removed 2 places
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 6 transitions.
Applied a total of 1 rules in 2911 ms. Remains 64 /66 variables (removed 2) and now considering 65569/65575 (removed 6) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9321938045030916314.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14846178112197380855.kers'
[2026-05-31 20:22:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9321938045030916314.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14846178112197380855.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 342 ms.
// Phase 1: matrix 65569 rows 63 cols 2015313 entries
Finished phase 1 with 31 SingleSign rule and 2 generalized
[2026-05-31 20:22:10] [INFO ] Computed 31 invariants in 1523 ms
Computed 31 P flows in 1524 ms.
Exported basis to /tmp/petrispot-output-14846178112197380855.kers
Total runtime 1790 ms.
[2026-05-31 20:22:35] [INFO ] Implicit Places using invariants in 27417 ms returned [58]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 27602 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 63/68 places, 65569/65575 transitions.
Applied a total of 0 rules in 2824 ms. Remains 63 /63 variables (removed 0) and now considering 65569/65569 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 62360 ms. Remains : 63/68 places, 65569/65575 transitions.
Knowledge based reduction with 1 factoid took 81 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 140 ms :[(AND p1 (NOT p2)), (AND p1 (NOT p2)), (AND p1 (NOT p2)), (AND p1 (NOT p2))]
Knowledge-based reduction took 320187 ms.
Stuttering acceptance computed with spot in 136 ms :[(AND p1 (NOT p2)), (AND p1 (NOT p2)), (AND p1 (NOT p2)), (AND p1 (NOT p2))]
Stuttering acceptance computed with spot in 136 ms :[(AND p1 (NOT p2)), (AND p1 (NOT p2)), (AND p1 (NOT p2)), (AND p1 (NOT p2))]
Product exploration timeout after 1810 steps with 452 reset in 10024 ms.
Product exploration timeout after 1920 steps with 480 reset in 10051 ms.
Spot run failed in 125 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin2380050953396337459
[2026-05-31 20:23:01] [INFO ] Built C files in 1736ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2380050953396337459
Running compilation step : cd /tmp/ltsmin2380050953396337459;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin2380050953396337459;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin2380050953396337459;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 31 out of 96 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 96/96 places, 73809/73809 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 95 transition count 65617
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 95 transition count 65617
Applied a total of 2 rules in 1673 ms. Remains 95 /96 variables (removed 1) and now considering 65617/73809 (removed 8192) transitions.
[2026-05-31 20:23:06] [INFO ] Flow matrix only has 65613 transitions (discarded 4 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-68664576710260804.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15665988531302742119.kers'
[2026-05-31 20:23:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-68664576710260804.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15665988531302742119.kers]
Normalized transition count is 65612 out of 65613 initially.
Culled 0 columns in 511 ms.
// Phase 1: matrix 65612 rows 95 cols 2064609 entries
Finished phase 1 with 59 SingleSign rule and 2 generalized
[2026-05-31 20:23:08] [INFO ] Computed 34 invariants in 1682 ms
Computed 34 P flows in 1683 ms.
Exported basis to /tmp/petrispot-output-15665988531302742119.kers
Total runtime 1912 ms.
[2026-05-31 20:23:38] [INFO ] Implicit Places using invariants in 31775 ms returned []
Implicit Place search using SMT only with invariants took 31779 ms to find 0 implicit places.
Running 65616 sub problems to find dead transitions.
[2026-05-31 20:23:38] [INFO ] Flow matrix only has 65613 transitions (discarded 4 similar events)
[2026-05-31 20:23:38] [INFO ] Invariant cache hit.
[2026-05-31 20:23:39] [INFO ] State equation strengthened by 25 read => feed constraints.

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
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -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="ErlangenMainframeV1-PT-aP14C01"
export BK_EXAMINATION="LTLFireability"
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 ErlangenMainframeV1-PT-aP14C01, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r338-smll-178021499000044"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ErlangenMainframeV1-PT-aP14C01.tgz
mv ErlangenMainframeV1-PT-aP14C01 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;