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.r114-smll-177955740400196.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 Echo-PT-d04r03, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r114-smll-177955740400196
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 5.4K Mar 7 05:21 CTLCardinality.txt
-rw-r--r-- 1 mcc users 53K Mar 7 05:21 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Mar 7 05:21 CTLFireability.txt
-rw-r--r-- 1 mcc users 73K Mar 7 05:21 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.9K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:45 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 09:45 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 09:45 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:45 LTLFireability.xml
-rw-r--r-- 1 mcc users 19K Mar 7 05:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 215K Mar 7 05:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.8K Mar 7 05:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 66K Mar 7 05:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:45 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:45 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 530K Mar 3 18:30 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME Echo-PT-d04r03-LTLFireability-00
FORMULA_NAME Echo-PT-d04r03-LTLFireability-01
FORMULA_NAME Echo-PT-d04r03-LTLFireability-02
FORMULA_NAME Echo-PT-d04r03-LTLFireability-03
FORMULA_NAME Echo-PT-d04r03-LTLFireability-04
FORMULA_NAME Echo-PT-d04r03-LTLFireability-05
FORMULA_NAME Echo-PT-d04r03-LTLFireability-06
FORMULA_NAME Echo-PT-d04r03-LTLFireability-07
FORMULA_NAME Echo-PT-d04r03-LTLFireability-08
FORMULA_NAME Echo-PT-d04r03-LTLFireability-09
FORMULA_NAME Echo-PT-d04r03-LTLFireability-10
FORMULA_NAME Echo-PT-d04r03-LTLFireability-11
FORMULA_NAME Echo-PT-d04r03-LTLFireability-12
FORMULA_NAME Echo-PT-d04r03-LTLFireability-13
FORMULA_NAME Echo-PT-d04r03-LTLFireability-14
FORMULA_NAME Echo-PT-d04r03-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779739604303

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Echo-PT-d04r03
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-25 20:06:46] [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]
[2026-05-25 20:06:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 20:06:47] [INFO ] Load time of PNML (sax parser for PT used): 458 ms
[2026-05-25 20:06:47] [INFO ] Transformed 1019 places.
[2026-05-25 20:06:47] [INFO ] Transformed 850 transitions.
[2026-05-25 20:06:47] [INFO ] Found NUPN structural information;
[2026-05-25 20:06:47] [INFO ] Parsed PT model containing 1019 places and 850 transitions and 6340 arcs in 701 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 13 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
FORMULA Echo-PT-d04r03-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Echo-PT-d04r03-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Echo-PT-d04r03-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Echo-PT-d04r03-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Echo-PT-d04r03-LTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 86 out of 1019 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1019/1019 places, 850/850 transitions.
Reduce places removed 81 places and 0 transitions.
Iterating post reduction 0 with 81 rules applied. Total rules applied 81 place count 938 transition count 850
Applied a total of 81 rules in 161 ms. Remains 938 /1019 variables (removed 81) and now considering 850/850 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6066043563790587362.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17519986707568718252.kers'
[2026-05-25 20:06:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6066043563790587362.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17519986707568718252.kers]
Culled 0 columns in 3 ms.
// Phase 1: matrix 850 rows 938 cols 5915 entries
Finished phase 1 with 349 SingleSign rule and 157 generalized
[2026-05-25 20:06:49] [INFO ] Computed 432 invariants in 1078 ms
Computed 432 P flows in 1080 ms.
Exported basis to /tmp/petrispot-output-17519986707568718252.kers
Total runtime 1087 ms.
[2026-05-25 20:07:33] [INFO ] Performed 41/938 implicitness test of which 0 returned IMPLICIT in 39 seconds.
[2026-05-25 20:08:15] [INFO ] Performed 60/938 implicitness test of which 0 returned IMPLICIT in 81 seconds.
[2026-05-25 20:09:29] [INFO ] Implicit Places using invariants in 161273 ms returned []
[2026-05-25 20:09:29] [INFO ] Invariant cache hit.
[2026-05-25 20:12:09] [INFO ] Implicit Places using invariants and state equation in 160019 ms returned []
Implicit Place search using SMT with State Equation took 321377 ms to find 0 implicit places.
Running 849 sub problems to find dead transitions.
[2026-05-25 20:12:09] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/937 variables, 937/937 constraints. Problems are: Problem set: 0 solved, 849 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/937 variables, 87/1024 constraints. Problems are: Problem set: 0 solved, 849 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 937/1788 variables, and 1024 constraints, problems are : Problem set: 0 solved, 849 unsolved in 30076 ms.
Refiners :[Domain max(s): 937/938 constraints, Generalized P Invariants (flows): 87/432 constraints, State Equation: 0/938 constraints, PredecessorRefiner: 849/849 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 849 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/937 variables, 937/937 constraints. Problems are: Problem set: 0 solved, 849 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/937 variables, 87/1024 constraints. Problems are: Problem set: 0 solved, 849 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 937/1788 variables, and 1024 constraints, problems are : Problem set: 0 solved, 849 unsolved in 30037 ms.
Refiners :[Domain max(s): 937/938 constraints, Generalized P Invariants (flows): 87/432 constraints, State Equation: 0/938 constraints, PredecessorRefiner: 0/849 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61046ms problems are : Problem set: 0 solved, 849 unsolved
Search for dead transitions found 0 dead transitions in 61085ms
Starting structural reductions in LTL mode, iteration 1 : 938/1019 places, 850/850 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 382684 ms. Remains : 938/1019 places, 850/850 transitions.
Starting structural reductions in LTL mode, iteration 0 : 938/938 places, 850/850 transitions.
Applied a total of 0 rules in 49 ms. Remains 938 /938 variables (removed 0) and now considering 850/850 (removed 0) transitions.
[2026-05-25 20:13:10] [INFO ] Invariant cache hit.
[2026-05-25 20:15:50] [INFO ] Implicit Places using invariants in 160012 ms returned []
[2026-05-25 20:15:50] [INFO ] Invariant cache hit.
[2026-05-25 20:18:30] [INFO ] Implicit Places using invariants and state equation in 160016 ms returned []
Implicit Place search using SMT with State Equation took 320042 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 320092 ms. Remains : 938/938 places, 850/850 transitions.
Support contains 86 out of 938 places after structural reductions.
[2026-05-25 20:18:31] [INFO ] Flatten gal took : 312 ms
[2026-05-25 20:18:31] [INFO ] Flatten gal took : 137 ms
[2026-05-25 20:18:31] [INFO ] Input system was already deterministic with 850 transitions.
RANDOM walk for 15794 steps (95 resets) in 1498 ms. (10 steps per ms) remains 0/28 properties
Computed a total of 938 stabilizing places and 850 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 938 transition count 850
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
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(G(p0)) U p1)||F(p2)))'
Support contains 6 out of 938 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 938/938 places, 850/850 transitions.
Graph (complete) has 3593 edges and 938 vertex of which 929 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.16 ms
Discarding 9 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Applied a total of 1 rules in 117 ms. Remains 928 /938 variables (removed 10) and now considering 848/850 (removed 2) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4305104622342463976.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7343287188045987841.kers'
[2026-05-25 20:18:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4305104622342463976.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7343287188045987841.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 848 rows 928 cols 5840 entries
Finished phase 1 with 339 SingleSign rule and 165 generalized
[2026-05-25 20:18:33] [INFO ] Computed 424 invariants in 718 ms
Computed 424 P flows in 718 ms.
Exported basis to /tmp/petrispot-output-7343287188045987841.kers
Total runtime 723 ms.
[2026-05-25 20:19:12] [INFO ] Performed 22/928 implicitness test of which 0 returned IMPLICIT in 35 seconds.
[2026-05-25 20:19:52] [INFO ] Performed 46/928 implicitness test of which 0 returned IMPLICIT in 75 seconds.
[2026-05-25 20:21:13] [INFO ] Implicit Places using invariants in 160774 ms returned []
[2026-05-25 20:21:13] [INFO ] Invariant cache hit.
[2026-05-25 20:23:53] [INFO ] Implicit Places using invariants and state equation in 160026 ms returned []
Implicit Place search using SMT with State Equation took 320805 ms to find 0 implicit places.
[2026-05-25 20:23:53] [INFO ] Redundant transitions in 57 ms returned []
Running 840 sub problems to find dead transitions.
[2026-05-25 20:23:53] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/928 variables, 928/928 constraints. Problems are: Problem set: 0 solved, 840 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 928/1776 variables, and 1352 constraints, problems are : Problem set: 0 solved, 840 unsolved in 30027 ms.
Refiners :[Domain max(s): 928/928 constraints, Generalized P Invariants (flows): 424/424 constraints, State Equation: 0/928 constraints, PredecessorRefiner: 840/840 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 840 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/928 variables, 928/928 constraints. Problems are: Problem set: 0 solved, 840 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 928/1776 variables, and 1352 constraints, problems are : Problem set: 0 solved, 840 unsolved in 30027 ms.
Refiners :[Domain max(s): 928/928 constraints, Generalized P Invariants (flows): 424/424 constraints, State Equation: 0/928 constraints, PredecessorRefiner: 0/840 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60555ms problems are : Problem set: 0 solved, 840 unsolved
Search for dead transitions found 0 dead transitions in 60560ms
Starting structural reductions in SI_LTL mode, iteration 1 : 928/938 places, 848/850 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 381556 ms. Remains : 928/938 places, 848/850 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(G(p0)) U p1)||F(p2)))'
Stuttering acceptance computed with spot in 336 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p0))]
Running random walk in product with property : Echo-PT-d04r03-LTLFireability-00
Stuttering criterion allowed to conclude after 160 steps with 0 reset in 14 ms.
FORMULA Echo-PT-d04r03-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Echo-PT-d04r03-LTLFireability-00 finished in 382040 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) U (X((F(G(!p2)) U p3))&&p1)))'
Support contains 18 out of 938 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 938/938 places, 850/850 transitions.
Applied a total of 0 rules in 48 ms. Remains 938 /938 variables (removed 0) and now considering 850/850 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12653507985299544264.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3597582824885087866.kers'
[2026-05-25 20:24:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12653507985299544264.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3597582824885087866.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 850 rows 938 cols 5915 entries
Finished phase 1 with 349 SingleSign rule and 157 generalized
[2026-05-25 20:24:55] [INFO ] Computed 432 invariants in 1022 ms
Computed 432 P flows in 1022 ms.
Exported basis to /tmp/petrispot-output-3597582824885087866.kers
Total runtime 1029 ms.
[2026-05-25 20:25:39] [INFO ] Performed 33/938 implicitness test of which 0 returned IMPLICIT in 39 seconds.
[2026-05-25 20:27:35] [INFO ] Implicit Places using invariants in 161061 ms returned []
[2026-05-25 20:27:35] [INFO ] Invariant cache hit.
[2026-05-25 20:30:15] [INFO ] Implicit Places using invariants and state equation in 160014 ms returned []
Implicit Place search using SMT with State Equation took 321081 ms to find 0 implicit places.
Running 849 sub problems to find dead transitions.
[2026-05-25 20:30:15] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/937 variables, 937/937 constraints. Problems are: Problem set: 0 solved, 849 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/937 variables, 87/1024 constraints. Problems are: Problem set: 0 solved, 849 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 937/1788 variables, and 1024 constraints, problems are : Problem set: 0 solved, 849 unsolved in 30047 ms.
Refiners :[Domain max(s): 937/938 constraints, Generalized P Invariants (flows): 87/432 constraints, State Equation: 0/938 constraints, PredecessorRefiner: 849/849 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 849 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/937 variables, 937/937 constraints. Problems are: Problem set: 0 solved, 849 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/937 variables, 87/1024 constraints. Problems are: Problem set: 0 solved, 849 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 937/1788 variables, and 1024 constraints, problems are : Problem set: 0 solved, 849 unsolved in 30040 ms.
Refiners :[Domain max(s): 937/938 constraints, Generalized P Invariants (flows): 87/432 constraints, State Equation: 0/938 constraints, PredecessorRefiner: 0/849 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60463ms problems are : Problem set: 0 solved, 849 unsolved
Search for dead transitions found 0 dead transitions in 60466ms
Finished structural reductions in LTL mode , in 1 iterations and 381600 ms. Remains : 938/938 places, 850/850 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) U (X((F(G(!p2)) U p3))&&p1)))'
Stuttering acceptance computed with spot in 439 ms :[(OR (NOT p1) (NOT p3)), p0, (NOT p3), (AND p1 p0 (NOT p3) p2), (OR (AND (NOT p1) p2) (AND p2 (NOT p3))), (AND p0 p2), (AND p2 (NOT p3))]
Running random walk in product with property : Echo-PT-d04r03-LTLFireability-02
Stuttering criterion allowed to conclude after 162 steps with 0 reset in 6 ms.
FORMULA Echo-PT-d04r03-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Echo-PT-d04r03-LTLFireability-02 finished in 382144 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))))'
Support contains 8 out of 938 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 938/938 places, 850/850 transitions.
Applied a total of 0 rules in 17 ms. Remains 938 /938 variables (removed 0) and now considering 850/850 (removed 0) transitions.
[2026-05-25 20:31:16] [INFO ] Invariant cache hit.
[2026-05-25 20:33:56] [INFO ] Implicit Places using invariants in 160012 ms returned []
[2026-05-25 20:33:56] [INFO ] Invariant cache hit.
[2026-05-25 20:36:36] [INFO ] Implicit Places using invariants and state equation in 160016 ms returned []
Implicit Place search using SMT with State Equation took 320033 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 320050 ms. Remains : 938/938 places, 850/850 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))))'
Stuttering acceptance computed with spot in 299 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (NOT p0), true, (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : Echo-PT-d04r03-LTLFireability-05
Product exploration explored 100000 steps with 25000 reset in 1376 ms.
Product exploration explored 100000 steps with 25000 reset in 931 ms.
Computed a total of 938 stabilizing places and 850 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 938 transition count 850
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge based reduction with 5 factoid took 78 ms. Reduced automaton from 8 states, 12 edges and 2 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
RANDOM walk for 1157 steps (5 resets) in 37 ms. (30 steps per ms) remains 0/1 properties
Knowledge based reduction with 5 factoid took 120 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 235 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Knowledge-based reduction took 1224 ms.
Stuttering acceptance computed with spot in 203 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Support contains 4 out of 938 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 938/938 places, 850/850 transitions.
Applied a total of 0 rules in 26 ms. Remains 938 /938 variables (removed 0) and now considering 850/850 (removed 0) transitions.
[2026-05-25 20:36:40] [INFO ] Invariant cache hit.
[2026-05-25 20:39:20] [INFO ] Implicit Places using invariants in 160007 ms returned []
[2026-05-25 20:39:20] [INFO ] Invariant cache hit.
[2026-05-25 20:42:00] [INFO ] Implicit Places using invariants and state equation in 160020 ms returned []
Implicit Place search using SMT with State Equation took 320032 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 320060 ms. Remains : 938/938 places, 850/850 transitions.
Computed a total of 938 stabilizing places and 850 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 938 transition count 850
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge based reduction with 2 factoid took 81 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
RANDOM walk for 3774 steps (21 resets) in 90 ms. (41 steps per ms) remains 0/1 properties
Knowledge based reduction with 2 factoid took 79 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 205 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Knowledge-based reduction took 1002 ms.
Stuttering acceptance computed with spot in 195 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Stuttering acceptance computed with spot in 204 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Product exploration explored 100000 steps with 25000 reset in 1121 ms.
Product exploration explored 100000 steps with 25000 reset in 1193 ms.
Spot run failed in 122 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/ltsmin12074370487352636644
[2026-05-25 20:42:04] [INFO ] Built C files in 80ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12074370487352636644
Running compilation step : cd /tmp/ltsmin12074370487352636644;'/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/ltsmin12074370487352636644;'/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/ltsmin12074370487352636644;'/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 4 out of 938 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 938/938 places, 850/850 transitions.
Applied a total of 0 rules in 14 ms. Remains 938 /938 variables (removed 0) and now considering 850/850 (removed 0) transitions.
[2026-05-25 20:42:07] [INFO ] Invariant cache hit.
[2026-05-25 20:42:49] [INFO ] Performed 28/938 implicitness test of which 0 returned IMPLICIT in 37 seconds.
[2026-05-25 20:44:47] [INFO ] Implicit Places using invariants in 160009 ms returned []
[2026-05-25 20:44:47] [INFO ] Invariant cache hit.
[2026-05-25 20:47:27] [INFO ] Implicit Places using invariants and state equation in 160013 ms returned []
Implicit Place search using SMT with State Equation took 320025 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 320040 ms. Remains : 938/938 places, 850/850 transitions.
Built C files in :
/tmp/ltsmin14898224026585152178
[2026-05-25 20:47:28] [INFO ] Built C files in 23ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin14898224026585152178
Running compilation step : cd /tmp/ltsmin14898224026585152178;'/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/ltsmin14898224026585152178;'/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/ltsmin14898224026585152178;'/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)
[2026-05-25 20:47:31] [INFO ] Flatten gal took : 303 ms
[2026-05-25 20:47:31] [INFO ] Flatten gal took : 117 ms
[2026-05-25 20:47:31] [INFO ] Time to serialize gal into /tmp/LTL4122567794118170332.gal : 60 ms
[2026-05-25 20:47:31] [INFO ] Time to serialize properties into /tmp/LTL8449769491521153236.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/LTL4122567794118170332.gal' '-t' 'CGAL' '-hoa' '/tmp/aut425261421685508216.hoa' '-atoms' '/tmp/LTL8449769491521153236.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...316
Loading property file /tmp/LTL8449769491521153236.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut425261421685508216.hoa
Detected timeout of ITS tools.
[2026-05-25 20:47:46] [INFO ] Flatten gal took : 88 ms
[2026-05-25 20:47:47] [INFO ] Flatten gal took : 93 ms
[2026-05-25 20:47:47] [INFO ] Time to serialize gal into /tmp/LTL516203705142828023.gal : 36 ms
[2026-05-25 20:47:47] [INFO ] Time to serialize properties into /tmp/LTL10862887937475391325.ltl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL516203705142828023.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL10862887937475391325.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
Checking formula 0 : !((X((X(X("(((p203==0)||(p204==0))||((p206==0)||(p637==0)))")))||(G("(((p513==1)&&(p82==1))&&((p83==1)&&(p84==1)))")))))
Formula 0 simplified : X(XX!"(((p203==0)||(p204==0))||((p206==0)||(p637==0)))" & F!"(((p513==1)&&(p82==1))&&((p83==1)&&(p84==1)))")
Detected timeout of ITS tools.
[2026-05-25 20:48:02] [INFO ] Flatten gal took : 50 ms
[2026-05-25 20:48:02] [INFO ] Applying decomposition
[2026-05-25 20:48:02] [INFO ] Flatten gal took : 58 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph5678634090186724452.txt' '-o' '/tmp/graph5678634090186724452.bin' '-w' '/tmp/graph5678634090186724452.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph5678634090186724452.bin' '-l' '-1' '-v' '-w' '/tmp/graph5678634090186724452.weights' '-q' '0' '-e' '0.001'
[2026-05-25 20:48:02] [INFO ] Decomposing Gal with order
[2026-05-25 20:48:02] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 20:48:02] [INFO ] Removed a total of 1393 redundant transitions.
[2026-05-25 20:48:03] [INFO ] Flatten gal took : 281 ms
[2026-05-25 20:48:03] [INFO ] Fuse similar labels procedure discarded/fused a total of 21 labels/synchronizations in 51 ms.
[2026-05-25 20:48:03] [INFO ] Time to serialize gal into /tmp/LTL7959478658911652937.gal : 21 ms
[2026-05-25 20:48:03] [INFO ] Time to serialize properties into /tmp/LTL11987335850948547963.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL7959478658911652937.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL11987335850948547963.ltl' '-c' '-stutter-deadlock'

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...255
Read 1 LTL properties
Checking formula 0 : !((X((X(X("(((i6.u22.p203==0)||(i8.u8.p204==0))||((i1.u2.p206==0)||(i11.u26.p637==0)))")))||(G("(((i4.u16.p513==1)&&(i6.u17.p82==1))&&...196
Formula 0 simplified : X(XX!"(((i6.u22.p203==0)||(i8.u8.p204==0))||((i1.u2.p206==0)||(i11.u26.p637==0)))" & F!"(((i4.u16.p513==1)&&(i6.u17.p82==1))&&((i8.u...186
Detected timeout of ITS tools.
Treatment of property Echo-PT-d04r03-LTLFireability-05 finished in 1021482 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' '!(G((X(p0)||(X((!p2 U (!p3||G(!p2))))&&p1))))'
Support contains 9 out of 938 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 938/938 places, 850/850 transitions.
Applied a total of 0 rules in 11 ms. Remains 938 /938 variables (removed 0) and now considering 850/850 (removed 0) transitions.
[2026-05-25 20:48:18] [INFO ] Invariant cache hit.
[2026-05-25 20:50:58] [INFO ] Implicit Places using invariants in 160007 ms returned []
[2026-05-25 20:50:58] [INFO ] Invariant cache hit.
[2026-05-25 20:53:38] [INFO ] Implicit Places using invariants and state equation in 160031 ms returned []
Implicit Place search using SMT with State Equation took 320045 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 320060 ms. Remains : 938/938 places, 850/850 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' '!(G((X(p0)||(X((!p2 U (!p3||G(!p2))))&&p1))))'
Stuttering acceptance computed with spot in 238 ms :[(OR (AND (NOT p0) p2 p3) (AND (NOT p0) (NOT p1))), (NOT p0), (AND p3 p2 (NOT p0)), true, (AND p3 p2)]
Running random walk in product with property : Echo-PT-d04r03-LTLFireability-06
Product exploration explored 100000 steps with 33315 reset in 1204 ms.
Entered a terminal (fully accepting) state of product in 69118 steps with 23077 reset in 545 ms.
FORMULA Echo-PT-d04r03-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Echo-PT-d04r03-LTLFireability-06 finished in 322103 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(G((p0 U p1))))'
Support contains 7 out of 938 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 938/938 places, 850/850 transitions.
Graph (complete) has 3593 edges and 938 vertex of which 929 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.16 ms
Discarding 9 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Applied a total of 1 rules in 92 ms. Remains 928 /938 variables (removed 10) and now considering 848/850 (removed 2) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14884255286389181505.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11003679703246073668.kers'
[2026-05-25 20:53:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14884255286389181505.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11003679703246073668.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 848 rows 928 cols 5840 entries
Finished phase 1 with 339 SingleSign rule and 165 generalized
[2026-05-25 20:53:41] [INFO ] Computed 424 invariants in 1012 ms
Computed 424 P flows in 1012 ms.
Exported basis to /tmp/petrispot-output-11003679703246073668.kers
Total runtime 1017 ms.
[2026-05-25 20:56:21] [INFO ] Implicit Places using invariants in 161086 ms returned []
[2026-05-25 20:56:21] [INFO ] Invariant cache hit.
[2026-05-25 20:59:01] [INFO ] Implicit Places using invariants and state equation in 160012 ms returned []
Implicit Place search using SMT with State Equation took 321105 ms to find 0 implicit places.
[2026-05-25 20:59:01] [INFO ] Redundant transitions in 135 ms returned []
Running 840 sub problems to find dead transitions.
[2026-05-25 20:59:01] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/928 variables, 928/928 constraints. Problems are: Problem set: 0 solved, 840 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 928/1776 variables, and 1352 constraints, problems are : Problem set: 0 solved, 840 unsolved in 30045 ms.
Refiners :[Domain max(s): 928/928 constraints, Generalized P Invariants (flows): 424/424 constraints, State Equation: 0/928 constraints, PredecessorRefiner: 840/840 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 840 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/928 variables, 928/928 constraints. Problems are: Problem set: 0 solved, 840 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 928/1776 variables, and 1352 constraints, problems are : Problem set: 0 solved, 840 unsolved in 30036 ms.
Refiners :[Domain max(s): 928/928 constraints, Generalized P Invariants (flows): 424/424 constraints, State Equation: 0/928 constraints, PredecessorRefiner: 0/840 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61136ms problems are : Problem set: 0 solved, 840 unsolved
Search for dead transitions found 0 dead transitions in 61145ms
Starting structural reductions in SI_LTL mode, iteration 1 : 928/938 places, 848/850 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 382494 ms. Remains : 928/938 places, 848/850 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(G((p0 U p1))))'
Stuttering acceptance computed with spot in 81 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : Echo-PT-d04r03-LTLFireability-07
Stuttering criterion allowed to conclude after 160 steps with 0 reset in 3 ms.
FORMULA Echo-PT-d04r03-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Echo-PT-d04r03-LTLFireability-07 finished in 382616 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' '!(G((p0||X(X((F((p2&&G(!p3)))&&p1))))))'
Support contains 10 out of 938 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 938/938 places, 850/850 transitions.
Applied a total of 0 rules in 11 ms. Remains 938 /938 variables (removed 0) and now considering 850/850 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13738102131414866964.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7027793551502895588.kers'
[2026-05-25 21:00:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13738102131414866964.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7027793551502895588.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 850 rows 938 cols 5915 entries
Finished phase 1 with 349 SingleSign rule and 157 generalized
[2026-05-25 21:00:03] [INFO ] Computed 432 invariants in 723 ms
Computed 432 P flows in 723 ms.
Exported basis to /tmp/petrispot-output-7027793551502895588.kers
Total runtime 728 ms.
[2026-05-25 21:00:48] [INFO ] Performed 39/938 implicitness test of which 0 returned IMPLICIT in 41 seconds.
[2026-05-25 21:01:24] [INFO ] Performed 47/938 implicitness test of which 0 returned IMPLICIT in 76 seconds.
[2026-05-25 21:01:57] [INFO ] Performed 50/938 implicitness test of which 0 returned IMPLICIT in 110 seconds.
[2026-05-25 21:02:43] [INFO ] Implicit Places using invariants in 160776 ms returned []
[2026-05-25 21:02:43] [INFO ] Invariant cache hit.
[2026-05-25 21:05:23] [INFO ] Implicit Places using invariants and state equation in 160014 ms returned []
Implicit Place search using SMT with State Equation took 320799 ms to find 0 implicit places.
Running 849 sub problems to find dead transitions.
[2026-05-25 21:05:23] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/937 variables, 937/937 constraints. Problems are: Problem set: 0 solved, 849 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/937 variables, 87/1024 constraints. Problems are: Problem set: 0 solved, 849 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 937/1788 variables, and 1024 constraints, problems are : Problem set: 0 solved, 849 unsolved in 30038 ms.
Refiners :[Domain max(s): 937/938 constraints, Generalized P Invariants (flows): 87/432 constraints, State Equation: 0/938 constraints, PredecessorRefiner: 849/849 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 849 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/937 variables, 937/937 constraints. Problems are: Problem set: 0 solved, 849 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/937 variables, 87/1024 constraints. Problems are: Problem set: 0 solved, 849 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 937/1788 variables, and 1024 constraints, problems are : Problem set: 0 solved, 849 unsolved in 30040 ms.
Refiners :[Domain max(s): 937/938 constraints, Generalized P Invariants (flows): 87/432 constraints, State Equation: 0/938 constraints, PredecessorRefiner: 0/849 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60555ms problems are : Problem set: 0 solved, 849 unsolved
Search for dead transitions found 0 dead transitions in 60558ms
Finished structural reductions in LTL mode , in 1 iterations and 381372 ms. Remains : 938/938 places, 850/850 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' '!(G((X(X((F((p1&&G(p2)))&&p0)))||p3)))'
Stuttering acceptance computed with spot in 286 ms :[(OR (AND (NOT p0) (NOT p3)) (AND (NOT p1) (NOT p3)) (AND (NOT p2) (NOT p3))), (OR (NOT p0) (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p1) (NOT p2)), true, (OR (NOT p2) (NOT p1)), (NOT p2)]
Running random walk in product with property : Echo-PT-d04r03-LTLFireability-08
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA Echo-PT-d04r03-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Echo-PT-d04r03-LTLFireability-08 finished in 381731 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(G(p0)))'
Support contains 6 out of 938 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 938/938 places, 850/850 transitions.
Graph (complete) has 3593 edges and 938 vertex of which 929 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.10 ms
Discarding 9 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Applied a total of 1 rules in 75 ms. Remains 928 /938 variables (removed 10) and now considering 848/850 (removed 2) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5014131748168420255.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2243190819480527590.kers'
[2026-05-25 21:06:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5014131748168420255.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2243190819480527590.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 848 rows 928 cols 5840 entries
Finished phase 1 with 339 SingleSign rule and 165 generalized
[2026-05-25 21:06:25] [INFO ] Computed 424 invariants in 932 ms
Computed 424 P flows in 933 ms.
Exported basis to /tmp/petrispot-output-2243190819480527590.kers
Total runtime 938 ms.

BK_TIME_CONFINEMENT_REACHED

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ 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="Echo-PT-d04r03"
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 Echo-PT-d04r03, 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 r114-smll-177955740400196"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Echo-PT-d04r03.tgz
mv Echo-PT-d04r03 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 ;