About the Execution of ITS-Tools for PolyORBLF-COL-S06J04T04
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 3288.695 | 599840.00 | 719921.00 | 3111.50 | TFFFTTFFFFFFFFFT | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2026-input.r210-smll-177969942100364.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is PolyORBLF-COL-S06J04T04, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r210-smll-177969942100364
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 592K
-rw-r--r-- 1 mcc users 9.1K Mar 8 15:08 CTLCardinality.txt
-rw-r--r-- 1 mcc users 86K Mar 8 15:08 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Mar 8 15:08 CTLFireability.txt
-rw-r--r-- 1 mcc users 66K Mar 8 15:08 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.5K Mar 16 08:44 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 16 08:44 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 16 08:44 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 16 08:44 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 8 15:09 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 89K Mar 8 15:09 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Mar 8 15:09 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 8 15:09 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 16 08:44 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 16 08:44 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 10 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 154K 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 PolyORBLF-COL-S06J04T04-LTLFireability-00
FORMULA_NAME PolyORBLF-COL-S06J04T04-LTLFireability-01
FORMULA_NAME PolyORBLF-COL-S06J04T04-LTLFireability-02
FORMULA_NAME PolyORBLF-COL-S06J04T04-LTLFireability-03
FORMULA_NAME PolyORBLF-COL-S06J04T04-LTLFireability-04
FORMULA_NAME PolyORBLF-COL-S06J04T04-LTLFireability-05
FORMULA_NAME PolyORBLF-COL-S06J04T04-LTLFireability-06
FORMULA_NAME PolyORBLF-COL-S06J04T04-LTLFireability-07
FORMULA_NAME PolyORBLF-COL-S06J04T04-LTLFireability-08
FORMULA_NAME PolyORBLF-COL-S06J04T04-LTLFireability-09
FORMULA_NAME PolyORBLF-COL-S06J04T04-LTLFireability-10
FORMULA_NAME PolyORBLF-COL-S06J04T04-LTLFireability-11
FORMULA_NAME PolyORBLF-COL-S06J04T04-LTLFireability-12
FORMULA_NAME PolyORBLF-COL-S06J04T04-LTLFireability-13
FORMULA_NAME PolyORBLF-COL-S06J04T04-LTLFireability-14
FORMULA_NAME PolyORBLF-COL-S06J04T04-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1780130789246
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PolyORBLF-COL-S06J04T04
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLFireability COL
Running Version 202604301425
[2026-05-30 08:46:30] [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]
[2026-05-30 08:46:30] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-30 08:46:31] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2026-05-30 08:46:31] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-30 08:46:32] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1105 ms
[2026-05-30 08:46:32] [INFO ] Imported 81 HL places and 65 HL transitions for a total of 454 PT places and 7036.0 transition bindings in 39 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 17 ms.
Working with output stream class java.io.PrintStream
[2026-05-30 08:46:32] [INFO ] Built PT skeleton of HLPN with 81 places and 65 transitions 254 arcs in 9 ms.
[2026-05-30 08:46:32] [INFO ] Skeletonized 15 HLPN properties in 2 ms. Removed 1 properties that had guard overlaps.
Initial state reduction rules removed 2 formulas.
FORMULA PolyORBLF-COL-S06J04T04-LTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-COL-S06J04T04-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
Remains 13 properties that can be checked using skeleton over-approximation.
Computed a total of 0 stabilizing places and 0 stable transitions
Reduction of identical properties reduced properties to check from 28 to 27
RANDOM walk for 40004 steps (3847 resets) in 1592 ms. (25 steps per ms) remains 3/27 properties
BEST_FIRST walk for 3382 steps (14 resets) in 51 ms. (65 steps per ms) remains 0/3 properties
[2026-05-30 08:46:33] [INFO ] Flatten gal took : 46 ms
[2026-05-30 08:46:33] [INFO ] Flatten gal took : 15 ms
Transition T_0376 forces synchronizations/join behavior on parameter s of sort Sources
Transition GoPerformWork forces synchronizations/join behavior on parameter j of sort Jobs
Transition T_2315 forces synchronizations/join behavior on parameter t of sort Threads
[2026-05-30 08:46:33] [INFO ] Unfolded HLPN to a Petri net with 454 places and 6994 transitions 59152 arcs in 432 ms.
[2026-05-30 08:46:33] [INFO ] Unfolded 14 HLPN properties in 2 ms.
[2026-05-30 08:46:33] [INFO ] Reduced 4680 identical enabling conditions.
Ensure Unique test removed 5380 transitions
Reduce redundant transitions removed 5380 transitions.
Support contains 203 out of 454 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 454/454 places, 1614/1614 transitions.
Ensure Unique test removed 6 places
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 448 transition count 1614
Applied a total of 6 rules in 106 ms. Remains 448 /454 variables (removed 6) and now considering 1614/1614 (removed 0) transitions.
Running 1608 sub problems to find dead transitions.
[2026-05-30 08:46:34] [INFO ] Flow matrix only has 1590 transitions (discarded 24 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4095406632667768977.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14672706750620776191.kers'
[2026-05-30 08:46:34] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4095406632667768977.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14672706750620776191.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 2 ms.
// Phase 1: matrix 1590 rows 443 cols 9286 entries
Finished phase 1 with 274 SingleSign rule and 130 generalized
[2026-05-30 08:46:34] [INFO ] Computed 44 invariants in 16 ms
Computed 44 P flows in 17 ms.
Exported basis to /tmp/petrispot-output-14672706750620776191.kers
Total runtime 20 ms.
[2026-05-30 08:46:34] [INFO ] State equation strengthened by 112 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
At refinement iteration 0 (INCLUDED_ONLY) 0/442 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 1608 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/442 variables, 20/37 constraints. Problems are: Problem set: 0 solved, 1608 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 442/2038 variables, and 39 constraints, problems are : Problem set: 0 solved, 1608 unsolved in 20106 ms.
Refiners :[Positive P Invariants (semi-flows): 17/21 constraints, Generalized P Invariants (flows): 20/23 constraints, State Equation: 0/448 constraints, ReadFeed: 0/112 constraints, PredecessorRefiner: 1608/768 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1608 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/442 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 1608 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/442 variables, 20/37 constraints. Problems are: Problem set: 0 solved, 1608 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/442 variables, 2/39 constraints. Problems are: Problem set: 0 solved, 1608 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 442/2038 variables, and 40 constraints, problems are : Problem set: 0 solved, 1608 unsolved in 20056 ms.
Refiners :[Positive P Invariants (semi-flows): 17/21 constraints, Generalized P Invariants (flows): 20/23 constraints, State Equation: 0/448 constraints, ReadFeed: 0/112 constraints, PredecessorRefiner: 840/768 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 42942ms problems are : Problem set: 0 solved, 1608 unsolved
Search for dead transitions found 0 dead transitions in 42995ms
[2026-05-30 08:47:17] [INFO ] Flow matrix only has 1590 transitions (discarded 24 similar events)
[2026-05-30 08:47:17] [INFO ] Invariant cache hit.
[2026-05-30 08:47:17] [INFO ] Implicit Places using invariants in 573 ms returned []
[2026-05-30 08:47:17] [INFO ] Flow matrix only has 1590 transitions (discarded 24 similar events)
[2026-05-30 08:47:17] [INFO ] Invariant cache hit.
[2026-05-30 08:47:18] [INFO ] State equation strengthened by 112 read => feed constraints.
[2026-05-30 08:47:23] [INFO ] Implicit Places using invariants and state equation in 6040 ms returned []
Implicit Place search using SMT with State Equation took 6624 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 448/454 places, 1614/1614 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 49824 ms. Remains : 448/454 places, 1614/1614 transitions.
Starting structural reductions in LTL mode, iteration 0 : 448/448 places, 1614/1614 transitions.
Applied a total of 0 rules in 51 ms. Remains 448 /448 variables (removed 0) and now considering 1614/1614 (removed 0) transitions.
Skipped dead transition search.
[2026-05-30 08:47:23] [INFO ] Flow matrix only has 1590 transitions (discarded 24 similar events)
[2026-05-30 08:47:23] [INFO ] Invariant cache hit.
[2026-05-30 08:47:24] [INFO ] Implicit Places using invariants in 349 ms returned []
[2026-05-30 08:47:24] [INFO ] Flow matrix only has 1590 transitions (discarded 24 similar events)
[2026-05-30 08:47:24] [INFO ] Invariant cache hit.
[2026-05-30 08:47:24] [INFO ] State equation strengthened by 112 read => feed constraints.
[2026-05-30 08:47:30] [INFO ] Implicit Places using invariants and state equation in 5880 ms returned []
Implicit Place search using SMT with State Equation took 6232 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 6284 ms. Remains : 448/448 places, 1614/1614 transitions.
Support contains 203 out of 448 places after structural reductions.
[2026-05-30 08:47:30] [INFO ] Flatten gal took : 427 ms
[2026-05-30 08:47:30] [INFO ] Flatten gal took : 253 ms
[2026-05-30 08:47:31] [INFO ] Input system was already deterministic with 1614 transitions.
RANDOM walk for 2883 steps (13 resets) in 417 ms. (6 steps per ms) remains 0/29 properties
FORMULA PolyORBLF-COL-S06J04T04-LTLFireability-11 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA PolyORBLF-COL-S06J04T04-LTLFireability-07 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 0 stabilizing places and 0 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' '!((X(p0)||G(p1)))'
Support contains 32 out of 448 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 448/448 places, 1614/1614 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 444 transition count 1610
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 444 transition count 1610
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 12 place count 440 transition count 1606
Iterating global reduction 0 with 4 rules applied. Total rules applied 16 place count 440 transition count 1606
Applied a total of 16 rules in 85 ms. Remains 440 /448 variables (removed 8) and now considering 1606/1614 (removed 8) transitions.
Running 1600 sub problems to find dead transitions.
[2026-05-30 08:47:32] [INFO ] Flow matrix only has 1582 transitions (discarded 24 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6799153290708159456.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5751211859600103724.kers'
[2026-05-30 08:47:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6799153290708159456.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5751211859600103724.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 2 ms.
// Phase 1: matrix 1582 rows 435 cols 9270 entries
Finished phase 1 with 266 SingleSign rule and 130 generalized
[2026-05-30 08:47:32] [INFO ] Computed 44 invariants in 18 ms
Computed 44 P flows in 19 ms.
Exported basis to /tmp/petrispot-output-5751211859600103724.kers
Total runtime 22 ms.
[2026-05-30 08:47:32] [INFO ] State equation strengthened by 112 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/434 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 1600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/434 variables, 20/37 constraints. Problems are: Problem set: 0 solved, 1600 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 434/2022 variables, and 39 constraints, problems are : Problem set: 0 solved, 1600 unsolved in 20038 ms.
Refiners :[Positive P Invariants (semi-flows): 17/21 constraints, Generalized P Invariants (flows): 20/23 constraints, State Equation: 0/440 constraints, ReadFeed: 0/112 constraints, PredecessorRefiner: 1600/760 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1600 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/434 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 1600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/434 variables, 20/37 constraints. Problems are: Problem set: 0 solved, 1600 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/434 variables, 2/39 constraints. Problems are: Problem set: 0 solved, 1600 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 434/2022 variables, and 42 constraints, problems are : Problem set: 0 solved, 1600 unsolved in 20037 ms.
Refiners :[Positive P Invariants (semi-flows): 17/21 constraints, Generalized P Invariants (flows): 20/23 constraints, State Equation: 0/440 constraints, ReadFeed: 0/112 constraints, PredecessorRefiner: 840/760 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 42600ms problems are : Problem set: 0 solved, 1600 unsolved
Search for dead transitions found 0 dead transitions in 42617ms
[2026-05-30 08:48:14] [INFO ] Flow matrix only has 1582 transitions (discarded 24 similar events)
[2026-05-30 08:48:14] [INFO ] Invariant cache hit.
[2026-05-30 08:48:15] [INFO ] Implicit Places using invariants in 654 ms returned [354, 355, 356, 357]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 661 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 436/448 places, 1606/1614 transitions.
Applied a total of 0 rules in 15 ms. Remains 436 /436 variables (removed 0) and now considering 1606/1606 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 43391 ms. Remains : 436/448 places, 1606/1614 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(p0)||G(p1)))'
Stuttering acceptance computed with spot in 351 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : PolyORBLF-COL-S06J04T04-LTLFireability-00
Product exploration explored 100000 steps with 50000 reset in 5644 ms.
Product exploration explored 100000 steps with 50000 reset in 5557 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 6 factoid took 18 ms. Proved property starting from automaton with 5 states, 8 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 55 ms.
FORMULA PolyORBLF-COL-S06J04T04-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PolyORBLF-COL-S06J04T04-LTLFireability-00 finished in 55137 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((!p0||(!p1&&F(G(!p2)))))) U (X(X(G((!p0||(!p1&&F(G(!p2)))))))||(X(X((!p0||(!p1&&F(G(!p2))))))&&G(!p3)))))'
Support contains 23 out of 448 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 448/448 places, 1614/1614 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 444 transition count 1610
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 444 transition count 1610
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 12 place count 440 transition count 1606
Iterating global reduction 0 with 4 rules applied. Total rules applied 16 place count 440 transition count 1606
Applied a total of 16 rules in 49 ms. Remains 440 /448 variables (removed 8) and now considering 1606/1614 (removed 8) transitions.
Skipped dead transition search.
[2026-05-30 08:48:27] [INFO ] Flow matrix only has 1582 transitions (discarded 24 similar events)
[2026-05-30 08:48:27] [INFO ] Invariant cache hit.
[2026-05-30 08:48:28] [INFO ] Implicit Places using invariants in 738 ms returned []
[2026-05-30 08:48:28] [INFO ] Flow matrix only has 1582 transitions (discarded 24 similar events)
[2026-05-30 08:48:28] [INFO ] Invariant cache hit.
[2026-05-30 08:48:28] [INFO ] State equation strengthened by 112 read => feed constraints.
[2026-05-30 08:48:36] [INFO ] Implicit Places using invariants and state equation in 8624 ms returned []
Implicit Place search using SMT with State Equation took 9367 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 440/448 places, 1606/1614 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9419 ms. Remains : 440/448 places, 1606/1614 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((!p0||(!p1&&F(G(!p2)))))) U (X(X(G((!p0||(!p1&&F(G(!p2)))))))||(X(X((!p0||(!p1&&F(G(!p2))))))&&G(!p3)))))'
Stuttering acceptance computed with spot in 797 ms :[(OR (AND p0 p1) (AND p0 p2)), (OR (AND p0 p2) (AND p0 p1)), (OR (AND p0 p1 p3) (AND p0 p2 p3)), (OR (AND p0 p1 p3) (AND p0 p2 p3)), (OR (AND p0 p2) (AND p0 p1)), true, p2, (OR (AND p0 p2 p3) (AND p0 p1 p3)), (AND p2 p0 p3), (AND p2 p0), (AND p2 p0 p3), (AND p2 p0 p3), (AND p2 p0), (AND p0 p2), (OR (AND (NOT p0) p3) (AND (NOT p1) p3)), (AND p2 p3)]
Running random walk in product with property : PolyORBLF-COL-S06J04T04-LTLFireability-01
Product exploration explored 100000 steps with 3386 reset in 800 ms.
Product exploration explored 100000 steps with 3267 reset in 749 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 34 factoid took 1797 ms. Reduced automaton from 16 states, 56 edges and 4 AP (stutter sensitive) to 16 states, 56 edges and 4 AP (stutter sensitive).
RANDOM walk for 40001 steps (245 resets) in 1132 ms. (35 steps per ms) remains 7/22 properties
BEST_FIRST walk for 40003 steps (473 resets) in 566 ms. (70 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (451 resets) in 784 ms. (50 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (450 resets) in 328 ms. (121 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (451 resets) in 292 ms. (136 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (452 resets) in 247 ms. (161 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40000 steps (1140 resets) in 342 ms. (116 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (458 resets) in 329 ms. (121 steps per ms) remains 7/7 properties
[2026-05-30 08:48:42] [INFO ] Flow matrix only has 1582 transitions (discarded 24 similar events)
[2026-05-30 08:48:42] [INFO ] Invariant cache hit.
[2026-05-30 08:48:42] [INFO ] State equation strengthened by 112 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 9/32 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Problem apf0 is UNSAT
Problem apf3 is UNSAT
Problem apf9 is UNSAT
Problem apf12 is UNSAT
Problem apf15 is UNSAT
At refinement iteration 4 (OVERLAPS) 284/316 variables, 12/18 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/316 variables, 0/18 constraints. Problems are: Problem set: 5 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 103/419 variables, 17/35 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/419 variables, 0/35 constraints. Problems are: Problem set: 5 solved, 2 unsolved
Problem apf16 is UNSAT
Problem apf17 is UNSAT
After SMT solving in domain Real declared 437/2022 variables, and 42 constraints, problems are : Problem set: 7 solved, 0 unsolved in 288 ms.
Refiners :[Positive P Invariants (semi-flows): 19/21 constraints, Generalized P Invariants (flows): 23/23 constraints, State Equation: 0/440 constraints, ReadFeed: 0/112 constraints, PredecessorRefiner: 7/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 336ms problems are : Problem set: 7 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 7 invariant AP formulas.
Knowledge based reduction with 41 factoid took 10997 ms. Reduced automaton from 16 states, 56 edges and 4 AP (stutter sensitive) to 16 states, 43 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 614 ms :[(OR (AND p0 p1) (AND p0 p2)), (OR (AND p0 p2) (AND p0 p1)), (OR (AND p0 p1 p3) (AND p0 p2 p3)), (OR (AND p0 p2 p3) (AND p0 p1 p3)), (OR (AND p0 p2) (AND p0 p1)), true, p2, (OR (AND p0 p2 p3) (AND p0 p1 p3)), (AND p2 p0 p3), (AND p2 p0), (AND p2 p0 p3), (AND p2 p0 p3), (AND p2 p0), (AND p0 p2), p3, (AND p2 p3)]
Knowledge-based reduction took 15084 ms.
Stuttering acceptance computed with spot in 613 ms :[(OR (AND p0 p1) (AND p0 p2)), (OR (AND p0 p2) (AND p0 p1)), (OR (AND p0 p1 p3) (AND p0 p2 p3)), (OR (AND p0 p2 p3) (AND p0 p1 p3)), (OR (AND p0 p2) (AND p0 p1)), true, p2, (OR (AND p0 p2 p3) (AND p0 p1 p3)), (AND p2 p0 p3), (AND p2 p0), (AND p2 p0 p3), (AND p2 p0 p3), (AND p2 p0), (AND p0 p2), p3, (AND p2 p3)]
Support contains 23 out of 440 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 440/440 places, 1606/1606 transitions.
Applied a total of 0 rules in 15 ms. Remains 440 /440 variables (removed 0) and now considering 1606/1606 (removed 0) transitions.
Skipped dead transition search.
[2026-05-30 08:48:54] [INFO ] Flow matrix only has 1582 transitions (discarded 24 similar events)
[2026-05-30 08:48:54] [INFO ] Invariant cache hit.
[2026-05-30 08:48:55] [INFO ] Implicit Places using invariants in 785 ms returned []
[2026-05-30 08:48:55] [INFO ] Flow matrix only has 1582 transitions (discarded 24 similar events)
[2026-05-30 08:48:55] [INFO ] Invariant cache hit.
[2026-05-30 08:48:56] [INFO ] State equation strengthened by 112 read => feed constraints.
[2026-05-30 08:49:04] [INFO ] Implicit Places using invariants and state equation in 8747 ms returned []
Implicit Place search using SMT with State Equation took 9545 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 9561 ms. Remains : 440/440 places, 1606/1606 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 19 factoid took 9409 ms. Reduced automaton from 16 states, 43 edges and 4 AP (stutter sensitive) to 16 states, 43 edges and 4 AP (stutter sensitive).
RANDOM walk for 40000 steps (218 resets) in 221 ms. (180 steps per ms) remains 1/11 properties
BEST_FIRST walk for 40002 steps (259 resets) in 172 ms. (231 steps per ms) remains 1/1 properties
[2026-05-30 08:49:13] [INFO ] Flow matrix only has 1582 transitions (discarded 24 similar events)
[2026-05-30 08:49:13] [INFO ] Invariant cache hit.
[2026-05-30 08:49:13] [INFO ] State equation strengthened by 112 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 8/18 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 297/315 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/315 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/315 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 104/419 variables, 18/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/419 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf4 is UNSAT
After SMT solving in domain Real declared 437/2022 variables, and 43 constraints, problems are : Problem set: 1 solved, 0 unsolved in 816 ms.
Refiners :[Positive P Invariants (semi-flows): 19/21 constraints, Generalized P Invariants (flows): 23/23 constraints, State Equation: 0/440 constraints, ReadFeed: 0/112 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 843ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge based reduction with 20 factoid took 9805 ms. Reduced automaton from 16 states, 43 edges and 4 AP (stutter sensitive) to 16 states, 43 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 758 ms :[(OR (AND p0 p1) (AND p0 p2)), (OR (AND p0 p2) (AND p0 p1)), (OR (AND p0 p1 p3) (AND p0 p2 p3)), (OR (AND p0 p2 p3) (AND p0 p1 p3)), (OR (AND p0 p2) (AND p0 p1)), true, p2, (OR (AND p0 p2 p3) (AND p0 p1 p3)), (AND p2 p0 p3), (AND p2 p0), (AND p2 p0 p3), (AND p2 p0 p3), (AND p2 p0), (AND p0 p2), p3, (AND p2 p3)]
Knowledge-based reduction took 20951 ms.
Stuttering acceptance computed with spot in 779 ms :[(OR (AND p0 p1) (AND p0 p2)), (OR (AND p0 p2) (AND p0 p1)), (OR (AND p0 p1 p3) (AND p0 p2 p3)), (OR (AND p0 p2 p3) (AND p0 p1 p3)), (OR (AND p0 p2) (AND p0 p1)), true, p2, (OR (AND p0 p2 p3) (AND p0 p1 p3)), (AND p2 p0 p3), (AND p2 p0), (AND p2 p0 p3), (AND p2 p0 p3), (AND p2 p0), (AND p0 p2), p3, (AND p2 p3)]
Stuttering acceptance computed with spot in 774 ms :[(OR (AND p0 p1) (AND p0 p2)), (OR (AND p0 p2) (AND p0 p1)), (OR (AND p0 p1 p3) (AND p0 p2 p3)), (OR (AND p0 p2 p3) (AND p0 p1 p3)), (OR (AND p0 p2) (AND p0 p1)), true, p2, (OR (AND p0 p2 p3) (AND p0 p1 p3)), (AND p2 p0 p3), (AND p2 p0), (AND p2 p0 p3), (AND p2 p0 p3), (AND p2 p0), (AND p0 p2), p3, (AND p2 p3)]
Product exploration explored 100000 steps with 2956 reset in 725 ms.
Product exploration explored 100000 steps with 3145 reset in 590 ms.
Spot run failed in 162 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/ltsmin17224539506511900290
[2026-05-30 08:49:28] [INFO ] Built C files in 74ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17224539506511900290
Running compilation step : cd /tmp/ltsmin17224539506511900290;'/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/ltsmin17224539506511900290;'/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/ltsmin17224539506511900290;'/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 23 out of 440 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 440/440 places, 1606/1606 transitions.
Applied a total of 0 rules in 13 ms. Remains 440 /440 variables (removed 0) and now considering 1606/1606 (removed 0) transitions.
Skipped dead transition search.
[2026-05-30 08:49:31] [INFO ] Flow matrix only has 1582 transitions (discarded 24 similar events)
[2026-05-30 08:49:31] [INFO ] Invariant cache hit.
[2026-05-30 08:49:32] [INFO ] Implicit Places using invariants in 903 ms returned []
[2026-05-30 08:49:32] [INFO ] Flow matrix only has 1582 transitions (discarded 24 similar events)
[2026-05-30 08:49:32] [INFO ] Invariant cache hit.
[2026-05-30 08:49:33] [INFO ] State equation strengthened by 112 read => feed constraints.
[2026-05-30 08:49:43] [INFO ] Implicit Places using invariants and state equation in 10763 ms returned []
Implicit Place search using SMT with State Equation took 11669 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 11683 ms. Remains : 440/440 places, 1606/1606 transitions.
Built C files in :
/tmp/ltsmin17080128924479270462
[2026-05-30 08:49:43] [INFO ] Built C files in 23ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17080128924479270462
Running compilation step : cd /tmp/ltsmin17080128924479270462;'/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/ltsmin17080128924479270462;'/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/ltsmin17080128924479270462;'/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)
[2026-05-30 08:49:46] [INFO ] Flatten gal took : 91 ms
[2026-05-30 08:49:46] [INFO ] Flatten gal took : 89 ms
[2026-05-30 08:49:46] [INFO ] Time to serialize gal into /tmp/LTL8654160955753011856.gal : 34 ms
[2026-05-30 08:49:46] [INFO ] Time to serialize properties into /tmp/LTL8384411706696913091.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/LTL8654160955753011856.gal' '-t' 'CGAL' '-hoa' '/tmp/aut4073508818105039070.hoa' '-atoms' '/tmp/LTL8384411706696913091.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...317
Loading property file /tmp/LTL8384411706696913091.prop.
Loaded 4 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut4073508818105039070.hoa
Detected timeout of ITS tools.
[2026-05-30 08:50:01] [INFO ] Flatten gal took : 81 ms
[2026-05-30 08:50:01] [INFO ] Flatten gal took : 78 ms
[2026-05-30 08:50:02] [INFO ] Time to serialize gal into /tmp/LTL1537563476878596375.gal : 23 ms
[2026-05-30 08:50:02] [INFO ] Time to serialize properties into /tmp/LTL16994582558425300609.ltl : 9 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/LTL1537563476878596375.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL16994582558425300609.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
Checking formula 0 : !(((X(X((!("((((Check_Sources_E_0>=1)&&(ORB_Lock>=1))||((Check_Sources_E_1>=1)&&(ORB_Lock>=1)))||(((Check_Sources_E_2>=1)&&(ORB_Lock>=...2079
Formula 0 simplified : XX("((((Check_Sources_E_0>=1)&&(ORB_Lock>=1))||((Check_Sources_E_1>=1)&&(ORB_Lock>=1)))||(((Check_Sources_E_2>=1)&&(ORB_Lock>=1))||(...2008
Detected timeout of ITS tools.
[2026-05-30 08:50:17] [INFO ] Flatten gal took : 73 ms
[2026-05-30 08:50:17] [INFO ] Applying decomposition
[2026-05-30 08:50:17] [INFO ] Flatten gal took : 72 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/graph13872832697636142490.txt' '-o' '/tmp/graph13872832697636142490.bin' '-w' '/tmp/graph13872832697636142490.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph13872832697636142490.bin' '-l' '-1' '-v' '-w' '/tmp/graph13872832697636142490.weights' '-q' '0' '-e' '0.001'
[2026-05-30 08:50:17] [INFO ] Decomposing Gal with order
[2026-05-30 08:50:17] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-30 08:50:17] [INFO ] Removed a total of 573 redundant transitions.
[2026-05-30 08:50:18] [INFO ] Flatten gal took : 860 ms
[2026-05-30 08:50:18] [INFO ] Fuse similar labels procedure discarded/fused a total of 155 labels/synchronizations in 57 ms.
[2026-05-30 08:50:18] [INFO ] Time to serialize gal into /tmp/LTL12115793012506902343.gal : 24 ms
[2026-05-30 08:50:18] [INFO ] Time to serialize properties into /tmp/LTL5652515409529737860.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/LTL12115793012506902343.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL5652515409529737860.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((!("((((i8.i4.u55.Check_Sources_E_0>=1)&&(i7.i0.u8.ORB_Lock>=1))||((i8.i4.u56.Check_Sources_E_1>=1)&&(i7.i0.u8.ORB_Lock>=1)))|...2931
Formula 0 simplified : XX("((((i8.i4.u55.Check_Sources_E_0>=1)&&(i7.i0.u8.ORB_Lock>=1))||((i8.i4.u56.Check_Sources_E_1>=1)&&(i7.i0.u8.ORB_Lock>=1)))||(((i8...2860
Detected timeout of ITS tools.
Treatment of property PolyORBLF-COL-S06J04T04-LTLFireability-01 finished in 126657 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))'
Support contains 4 out of 448 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 448/448 places, 1614/1614 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 32 transitions
Trivial Post-agglo rules discarded 32 transitions
Performed 32 trivial Post agglomeration. Transition count delta: 32
Iterating post reduction 0 with 32 rules applied. Total rules applied 32 place count 448 transition count 1582
Reduce places removed 32 places and 0 transitions.
Iterating post reduction 1 with 32 rules applied. Total rules applied 64 place count 416 transition count 1582
Performed 48 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 48 Pre rules applied. Total rules applied 64 place count 416 transition count 1534
Deduced a syphon composed of 48 places in 1 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 2 with 96 rules applied. Total rules applied 160 place count 368 transition count 1534
Performed 44 Post agglomeration using F-continuation condition.Transition count delta: 44
Deduced a syphon composed of 44 places in 2 ms
Reduce places removed 44 places and 0 transitions.
Iterating global reduction 2 with 88 rules applied. Total rules applied 248 place count 324 transition count 1490
Applied a total of 248 rules in 310 ms. Remains 324 /448 variables (removed 124) and now considering 1490/1614 (removed 124) transitions.
Running 1484 sub problems to find dead transitions.
[2026-05-30 08:50:34] [INFO ] Flow matrix only has 1466 transitions (discarded 24 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-55648229212439757.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5336020217360462294.kers'
[2026-05-30 08:50:34] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-55648229212439757.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5336020217360462294.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 2 ms.
// Phase 1: matrix 1466 rows 319 cols 9158 entries
Finished phase 1 with 150 SingleSign rule and 130 generalized
[2026-05-30 08:50:34] [INFO ] Computed 44 invariants in 23 ms
Computed 44 P flows in 36 ms.
Exported basis to /tmp/petrispot-output-5336020217360462294.kers
Total runtime 39 ms.
[2026-05-30 08:50:34] [INFO ] State equation strengthened by 112 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/318 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 1484 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/318 variables, 13/30 constraints. Problems are: Problem set: 0 solved, 1484 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 318/1790 variables, and 30 constraints, problems are : Problem set: 0 solved, 1484 unsolved in 20053 ms.
Refiners :[Positive P Invariants (semi-flows): 17/22 constraints, Generalized P Invariants (flows): 13/22 constraints, State Equation: 0/324 constraints, ReadFeed: 0/112 constraints, PredecessorRefiner: 1484/644 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1484 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/318 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 1484 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/318 variables, 13/30 constraints. Problems are: Problem set: 0 solved, 1484 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/318 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 1484 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 318/1790 variables, and 31 constraints, problems are : Problem set: 0 solved, 1484 unsolved in 20047 ms.
Refiners :[Positive P Invariants (semi-flows): 17/22 constraints, Generalized P Invariants (flows): 13/22 constraints, State Equation: 0/324 constraints, ReadFeed: 0/112 constraints, PredecessorRefiner: 840/644 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 42423ms problems are : Problem set: 0 solved, 1484 unsolved
Search for dead transitions found 0 dead transitions in 42434ms
[2026-05-30 08:51:16] [INFO ] Flow matrix only has 1466 transitions (discarded 24 similar events)
[2026-05-30 08:51:16] [INFO ] Invariant cache hit.
[2026-05-30 08:51:17] [INFO ] Implicit Places using invariants in 1099 ms returned [274, 275, 276, 277]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 1105 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 320/448 places, 1490/1614 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 316 transition count 1486
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 316 transition count 1486
Applied a total of 8 rules in 58 ms. Remains 316 /320 variables (removed 4) and now considering 1486/1490 (removed 4) transitions.
[2026-05-30 08:51:17] [INFO ] Flow matrix only has 1462 transitions (discarded 24 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13215475730331517788.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-799329541159359660.kers'
[2026-05-30 08:51:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13215475730331517788.kers, --Pflows, --basisKERS=/tmp/petrispot-output-799329541159359660.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 4 ms.
// Phase 1: matrix 1462 rows 311 cols 9138 entries
Finished phase 1 with 167 SingleSign rule and 109 generalized
[2026-05-30 08:51:17] [INFO ] Computed 40 invariants in 23 ms
Computed 40 P flows in 24 ms.
Exported basis to /tmp/petrispot-output-799329541159359660.kers
Total runtime 26 ms.
[2026-05-30 08:51:19] [INFO ] Implicit Places using invariants in 1375 ms returned []
[2026-05-30 08:51:19] [INFO ] Flow matrix only has 1462 transitions (discarded 24 similar events)
[2026-05-30 08:51:19] [INFO ] Invariant cache hit.
[2026-05-30 08:51:20] [INFO ] State equation strengthened by 112 read => feed constraints.
[2026-05-30 08:51:25] [INFO ] Implicit Places using invariants and state equation in 6347 ms returned []
Implicit Place search using SMT with State Equation took 7727 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 316/448 places, 1486/1614 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 51644 ms. Remains : 316/448 places, 1486/1614 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))'
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Running random walk in product with property : PolyORBLF-COL-S06J04T04-LTLFireability-02
Stuttering criterion allowed to conclude after 128 steps with 4 reset in 2 ms.
FORMULA PolyORBLF-COL-S06J04T04-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-COL-S06J04T04-LTLFireability-02 finished in 51732 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' '!(((p0 U !p1)&&(p2 U !p0)&&X(X(X(F(p2))))))'
Support contains 34 out of 448 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 448/448 places, 1614/1614 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 444 transition count 1610
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 444 transition count 1610
Applied a total of 8 rules in 60 ms. Remains 444 /448 variables (removed 4) and now considering 1610/1614 (removed 4) transitions.
Running 1604 sub problems to find dead transitions.
[2026-05-30 08:51:25] [INFO ] Flow matrix only has 1586 transitions (discarded 24 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4196270789641808094.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9616858883491729426.kers'
[2026-05-30 08:51:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4196270789641808094.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9616858883491729426.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 3 ms.
// Phase 1: matrix 1586 rows 439 cols 9278 entries
Finished phase 1 with 270 SingleSign rule and 130 generalized
[2026-05-30 08:51:25] [INFO ] Computed 44 invariants in 25 ms
Computed 44 P flows in 27 ms.
Exported basis to /tmp/petrispot-output-9616858883491729426.kers
Total runtime 31 ms.
[2026-05-30 08:51:25] [INFO ] State equation strengthened by 112 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/438 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 1604 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/438 variables, 20/37 constraints. Problems are: Problem set: 0 solved, 1604 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 438/2030 variables, and 37 constraints, problems are : Problem set: 0 solved, 1604 unsolved in 20037 ms.
Refiners :[Positive P Invariants (semi-flows): 17/21 constraints, Generalized P Invariants (flows): 20/23 constraints, State Equation: 0/444 constraints, ReadFeed: 0/112 constraints, PredecessorRefiner: 1604/764 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1604 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/438 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 1604 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/438 variables, 20/37 constraints. Problems are: Problem set: 0 solved, 1604 unsolved
SMT process timed out in 42835ms, After SMT, problems are : Problem set: 0 solved, 1604 unsolved
Search for dead transitions found 0 dead transitions in 42843ms
[2026-05-30 08:52:08] [INFO ] Flow matrix only has 1586 transitions (discarded 24 similar events)
[2026-05-30 08:52:08] [INFO ] Invariant cache hit.
[2026-05-30 08:52:09] [INFO ] Implicit Places using invariants in 874 ms returned [354, 355, 356, 357]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 882 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 440/448 places, 1610/1614 transitions.
Applied a total of 0 rules in 19 ms. Remains 440 /440 variables (removed 0) and now considering 1610/1610 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 43812 ms. Remains : 440/448 places, 1610/1614 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' '!(((p0 U !p1)&&(p2 U !p0)&&X(X(X(F(p2))))))'
Stuttering acceptance computed with spot in 266 ms :[(OR (NOT p2) p1 p0), true, p1, p0, (NOT p2), (NOT p2), (NOT p2)]
Running random walk in product with property : PolyORBLF-COL-S06J04T04-LTLFireability-03
Stuttering criterion allowed to conclude after 7 steps with 0 reset in 0 ms.
FORMULA PolyORBLF-COL-S06J04T04-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-COL-S06J04T04-LTLFireability-03 finished in 44129 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(F((p0||G(p1))))))'
Support contains 8 out of 448 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 448/448 places, 1614/1614 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 444 transition count 1610
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 444 transition count 1610
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 12 place count 440 transition count 1606
Iterating global reduction 0 with 4 rules applied. Total rules applied 16 place count 440 transition count 1606
Applied a total of 16 rules in 55 ms. Remains 440 /448 variables (removed 8) and now considering 1606/1614 (removed 8) transitions.
Running 1600 sub problems to find dead transitions.
[2026-05-30 08:52:09] [INFO ] Flow matrix only has 1582 transitions (discarded 24 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11863810449422906145.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16281246813977145664.kers'
[2026-05-30 08:52:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11863810449422906145.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16281246813977145664.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1582 rows 435 cols 9270 entries
Finished phase 1 with 266 SingleSign rule and 130 generalized
[2026-05-30 08:52:09] [INFO ] Computed 44 invariants in 15 ms
Computed 44 P flows in 15 ms.
Exported basis to /tmp/petrispot-output-16281246813977145664.kers
Total runtime 17 ms.
[2026-05-30 08:52:09] [INFO ] State equation strengthened by 112 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/434 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 1600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/434 variables, 20/37 constraints. Problems are: Problem set: 0 solved, 1600 unsolved
SMT process timed out in 22846ms, After SMT, problems are : Problem set: 0 solved, 1600 unsolved
Search for dead transitions found 0 dead transitions in 22856ms
[2026-05-30 08:52:32] [INFO ] Flow matrix only has 1582 transitions (discarded 24 similar events)
[2026-05-30 08:52:32] [INFO ] Invariant cache hit.
[2026-05-30 08:52:33] [INFO ] Implicit Places using invariants in 925 ms returned [354, 355, 356, 357]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 937 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 436/448 places, 1606/1614 transitions.
Applied a total of 0 rules in 18 ms. Remains 436 /436 variables (removed 0) and now considering 1606/1606 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 23873 ms. Remains : 436/448 places, 1606/1614 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(F((G(p0)||p1)))))'
Stuttering acceptance computed with spot in 135 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : PolyORBLF-COL-S06J04T04-LTLFireability-05
Product exploration explored 100000 steps with 33333 reset in 1291 ms.
Product exploration explored 100000 steps with 33333 reset in 1072 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 5 factoid took 12 ms. Proved property starting from automaton with 3 states, 4 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 22 ms.
FORMULA PolyORBLF-COL-S06J04T04-LTLFireability-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PolyORBLF-COL-S06J04T04-LTLFireability-05 finished in 26434 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((G(F(p0)) U p1))||(X((G(F(p0)) U p1))&&p2)))))'
Support contains 21 out of 448 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 448/448 places, 1614/1614 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 444 transition count 1610
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 444 transition count 1610
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 12 place count 440 transition count 1606
Iterating global reduction 0 with 4 rules applied. Total rules applied 16 place count 440 transition count 1606
Applied a total of 16 rules in 37 ms. Remains 440 /448 variables (removed 8) and now considering 1606/1614 (removed 8) transitions.
Skipped dead transition search.
[2026-05-30 08:52:36] [INFO ] Flow matrix only has 1582 transitions (discarded 24 similar events)
[2026-05-30 08:52:36] [INFO ] Invariant cache hit.
[2026-05-30 08:52:37] [INFO ] Implicit Places using invariants in 820 ms returned [354, 355, 356, 357]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 828 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 436/448 places, 1606/1614 transitions.
Applied a total of 0 rules in 18 ms. Remains 436 /436 variables (removed 0) and now considering 1606/1606 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 884 ms. Remains : 436/448 places, 1606/1614 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((G(F(p0)) U p1))||(X((G(F(p0)) U p1))&&p2)))))'
Stuttering acceptance computed with spot in 691 ms :[(NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : PolyORBLF-COL-S06J04T04-LTLFireability-06
Stuttering criterion allowed to conclude after 54 steps with 1 reset in 1 ms.
FORMULA PolyORBLF-COL-S06J04T04-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-COL-S06J04T04-LTLFireability-06 finished in 1640 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 4 out of 448 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 448/448 places, 1614/1614 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 28 transitions
Trivial Post-agglo rules discarded 28 transitions
Performed 28 trivial Post agglomeration. Transition count delta: 28
Iterating post reduction 0 with 28 rules applied. Total rules applied 28 place count 448 transition count 1586
Reduce places removed 28 places and 0 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Iterating post reduction 1 with 32 rules applied. Total rules applied 60 place count 420 transition count 1582
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 64 place count 416 transition count 1582
Performed 48 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 48 Pre rules applied. Total rules applied 64 place count 416 transition count 1534
Deduced a syphon composed of 48 places in 2 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 3 with 96 rules applied. Total rules applied 160 place count 368 transition count 1534
Performed 44 Post agglomeration using F-continuation condition.Transition count delta: 44
Deduced a syphon composed of 44 places in 1 ms
Reduce places removed 44 places and 0 transitions.
Iterating global reduction 3 with 88 rules applied. Total rules applied 248 place count 324 transition count 1490
Applied a total of 248 rules in 146 ms. Remains 324 /448 variables (removed 124) and now considering 1490/1614 (removed 124) transitions.
Running 1484 sub problems to find dead transitions.
[2026-05-30 08:52:37] [INFO ] Flow matrix only has 1466 transitions (discarded 24 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14784545144655610924.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13210216245584315410.kers'
[2026-05-30 08:52:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14784545144655610924.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13210216245584315410.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 2 ms.
// Phase 1: matrix 1466 rows 319 cols 9154 entries
Finished phase 1 with 150 SingleSign rule and 130 generalized
[2026-05-30 08:52:37] [INFO ] Computed 44 invariants in 23 ms
Computed 44 P flows in 24 ms.
Exported basis to /tmp/petrispot-output-13210216245584315410.kers
Total runtime 27 ms.
[2026-05-30 08:52:37] [INFO ] State equation strengthened by 112 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/318 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 1484 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/318 variables, 13/30 constraints. Problems are: Problem set: 0 solved, 1484 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 318/1790 variables, and 30 constraints, problems are : Problem set: 0 solved, 1484 unsolved in 20058 ms.
Refiners :[Positive P Invariants (semi-flows): 17/22 constraints, Generalized P Invariants (flows): 13/22 constraints, State Equation: 0/324 constraints, ReadFeed: 0/112 constraints, PredecessorRefiner: 1484/644 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1484 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/318 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 1484 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/318 variables, 13/30 constraints. Problems are: Problem set: 0 solved, 1484 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/318 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 1484 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 318/1790 variables, and 31 constraints, problems are : Problem set: 0 solved, 1484 unsolved in 20055 ms.
Refiners :[Positive P Invariants (semi-flows): 17/22 constraints, Generalized P Invariants (flows): 13/22 constraints, State Equation: 0/324 constraints, ReadFeed: 0/112 constraints, PredecessorRefiner: 840/644 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 42443ms problems are : Problem set: 0 solved, 1484 unsolved
Search for dead transitions found 0 dead transitions in 42453ms
[2026-05-30 08:53:20] [INFO ] Flow matrix only has 1466 transitions (discarded 24 similar events)
[2026-05-30 08:53:20] [INFO ] Invariant cache hit.
[2026-05-30 08:53:21] [INFO ] Implicit Places using invariants in 1562 ms returned [278, 279, 280, 281]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 1569 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 320/448 places, 1490/1614 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 316 transition count 1486
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 316 transition count 1486
Applied a total of 8 rules in 42 ms. Remains 316 /320 variables (removed 4) and now considering 1486/1490 (removed 4) transitions.
[2026-05-30 08:53:21] [INFO ] Flow matrix only has 1462 transitions (discarded 24 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3705332103859819540.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1236584577329144606.kers'
[2026-05-30 08:53:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3705332103859819540.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1236584577329144606.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1462 rows 311 cols 9134 entries
Finished phase 1 with 163 SingleSign rule and 113 generalized
[2026-05-30 08:53:22] [INFO ] Computed 40 invariants in 13 ms
Computed 40 P flows in 13 ms.
Exported basis to /tmp/petrispot-output-1236584577329144606.kers
Total runtime 15 ms.
[2026-05-30 08:53:23] [INFO ] Implicit Places using invariants in 1133 ms returned []
[2026-05-30 08:53:23] [INFO ] Flow matrix only has 1462 transitions (discarded 24 similar events)
[2026-05-30 08:53:23] [INFO ] Invariant cache hit.
[2026-05-30 08:53:23] [INFO ] State equation strengthened by 112 read => feed constraints.
[2026-05-30 08:53:30] [INFO ] Implicit Places using invariants and state equation in 7533 ms returned []
Implicit Place search using SMT with State Equation took 8675 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 316/448 places, 1486/1614 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 52890 ms. Remains : 316/448 places, 1486/1614 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)))'
Stuttering acceptance computed with spot in 50 ms :[(NOT p0)]
Running random walk in product with property : PolyORBLF-COL-S06J04T04-LTLFireability-08
Stuttering criterion allowed to conclude after 8 steps with 0 reset in 1 ms.
FORMULA PolyORBLF-COL-S06J04T04-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-COL-S06J04T04-LTLFireability-08 finished in 52985 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' '!((!p0 U X((p1 U G(p0)))))'
Support contains 30 out of 448 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 448/448 places, 1614/1614 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 444 transition count 1610
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 444 transition count 1610
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 12 place count 440 transition count 1606
Iterating global reduction 0 with 4 rules applied. Total rules applied 16 place count 440 transition count 1606
Applied a total of 16 rules in 42 ms. Remains 440 /448 variables (removed 8) and now considering 1606/1614 (removed 8) transitions.
Running 1600 sub problems to find dead transitions.
[2026-05-30 08:53:30] [INFO ] Flow matrix only has 1582 transitions (discarded 24 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9416361462513615957.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3249837168451281084.kers'
[2026-05-30 08:53:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9416361462513615957.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3249837168451281084.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 3 ms.
// Phase 1: matrix 1582 rows 435 cols 9270 entries
Finished phase 1 with 266 SingleSign rule and 130 generalized
[2026-05-30 08:53:30] [INFO ] Computed 44 invariants in 25 ms
Computed 44 P flows in 26 ms.
Exported basis to /tmp/petrispot-output-3249837168451281084.kers
Total runtime 30 ms.
[2026-05-30 08:53:30] [INFO ] State equation strengthened by 112 read => feed constraints.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/434 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 1600 unsolved
SMT process timed out in 22053ms, After SMT, problems are : Problem set: 0 solved, 1600 unsolved
Search for dead transitions found 0 dead transitions in 22058ms
[2026-05-30 08:53:52] [INFO ] Flow matrix only has 1582 transitions (discarded 24 similar events)
[2026-05-30 08:53:52] [INFO ] Invariant cache hit.
[2026-05-30 08:53:53] [INFO ] Implicit Places using invariants in 949 ms returned [354, 355, 356, 357]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 957 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 436/448 places, 1606/1614 transitions.
Applied a total of 0 rules in 17 ms. Remains 436 /436 variables (removed 0) and now considering 1606/1606 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 23078 ms. Remains : 436/448 places, 1606/1614 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' '!((!p0 U X((p1 U G(p0)))))'
Stuttering acceptance computed with spot in 127 ms :[(NOT p0), (NOT p0), true, (NOT p0)]
Running random walk in product with property : PolyORBLF-COL-S06J04T04-LTLFireability-09
Entered a terminal (fully accepting) state of product in 92 steps with 0 reset in 1 ms.
FORMULA PolyORBLF-COL-S06J04T04-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-COL-S06J04T04-LTLFireability-09 finished in 23252 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((G(p1)||p0))&&(F(!p2) U p3))))'
Support contains 43 out of 448 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 448/448 places, 1614/1614 transitions.
Applied a total of 0 rules in 18 ms. Remains 448 /448 variables (removed 0) and now considering 1614/1614 (removed 0) transitions.
Running 1608 sub problems to find dead transitions.
[2026-05-30 08:53:54] [INFO ] Flow matrix only has 1590 transitions (discarded 24 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2506592311842766301.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3668954886434672160.kers'
[2026-05-30 08:53:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2506592311842766301.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3668954886434672160.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 3 ms.
// Phase 1: matrix 1590 rows 443 cols 9286 entries
Finished phase 1 with 274 SingleSign rule and 130 generalized
[2026-05-30 08:53:54] [INFO ] Computed 44 invariants in 27 ms
Computed 44 P flows in 28 ms.
Exported basis to /tmp/petrispot-output-3668954886434672160.kers
Total runtime 30 ms.
[2026-05-30 08:53:54] [INFO ] State equation strengthened by 112 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/442 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 1608 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/442 variables, 20/37 constraints. Problems are: Problem set: 0 solved, 1608 unsolved
SMT process timed out in 22293ms, After SMT, problems are : Problem set: 0 solved, 1608 unsolved
Search for dead transitions found 0 dead transitions in 22299ms
[2026-05-30 08:54:16] [INFO ] Flow matrix only has 1590 transitions (discarded 24 similar events)
[2026-05-30 08:54:16] [INFO ] Invariant cache hit.
[2026-05-30 08:54:17] [INFO ] Implicit Places using invariants in 897 ms returned [354, 355, 356, 357]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 902 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 444/448 places, 1614/1614 transitions.
Applied a total of 0 rules in 11 ms. Remains 444 /444 variables (removed 0) and now considering 1614/1614 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 23236 ms. Remains : 444/448 places, 1614/1614 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((G(p1)||p0))&&(F(!p2) U p3))))'
Stuttering acceptance computed with spot in 325 ms :[(OR (NOT p3) (AND (NOT p0) (NOT p1))), (OR (NOT p3) (AND (NOT p0) (NOT p1))), (AND (NOT p1) (NOT p0)), p2, (NOT p3), true, (NOT p1)]
Running random walk in product with property : PolyORBLF-COL-S06J04T04-LTLFireability-10
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA PolyORBLF-COL-S06J04T04-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-COL-S06J04T04-LTLFireability-10 finished in 23613 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(F((G(p1)||p0))))'
Support contains 26 out of 448 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 448/448 places, 1614/1614 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 36 transitions
Trivial Post-agglo rules discarded 36 transitions
Performed 36 trivial Post agglomeration. Transition count delta: 36
Iterating post reduction 0 with 36 rules applied. Total rules applied 36 place count 448 transition count 1578
Reduce places removed 36 places and 0 transitions.
Iterating post reduction 1 with 36 rules applied. Total rules applied 72 place count 412 transition count 1578
Performed 48 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 48 Pre rules applied. Total rules applied 72 place count 412 transition count 1530
Deduced a syphon composed of 48 places in 1 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 2 with 96 rules applied. Total rules applied 168 place count 364 transition count 1530
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: 24
Deduced a syphon composed of 24 places in 1 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 2 with 48 rules applied. Total rules applied 216 place count 340 transition count 1506
Applied a total of 216 rules in 70 ms. Remains 340 /448 variables (removed 108) and now considering 1506/1614 (removed 108) transitions.
Running 1500 sub problems to find dead transitions.
[2026-05-30 08:54:17] [INFO ] Flow matrix only has 1482 transitions (discarded 24 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12336639132895430538.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17989482451664567728.kers'
[2026-05-30 08:54:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12336639132895430538.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17989482451664567728.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 3 ms.
// Phase 1: matrix 1482 rows 335 cols 9142 entries
Finished phase 1 with 166 SingleSign rule and 130 generalized
[2026-05-30 08:54:17] [INFO ] Computed 44 invariants in 24 ms
Computed 44 P flows in 25 ms.
Exported basis to /tmp/petrispot-output-17989482451664567728.kers
Total runtime 27 ms.
[2026-05-30 08:54:17] [INFO ] State equation strengthened by 112 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/334 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 1500 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/334 variables, 13/30 constraints. Problems are: Problem set: 0 solved, 1500 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 334/1822 variables, and 31 constraints, problems are : Problem set: 0 solved, 1500 unsolved in 20046 ms.
Refiners :[Positive P Invariants (semi-flows): 17/22 constraints, Generalized P Invariants (flows): 13/22 constraints, State Equation: 0/340 constraints, ReadFeed: 0/112 constraints, PredecessorRefiner: 1500/660 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1500 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/334 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 1500 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/334 variables, 13/30 constraints. Problems are: Problem set: 0 solved, 1500 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/334 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 1500 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 334/1822 variables, and 31 constraints, problems are : Problem set: 0 solved, 1500 unsolved in 20051 ms.
Refiners :[Positive P Invariants (semi-flows): 17/22 constraints, Generalized P Invariants (flows): 13/22 constraints, State Equation: 0/340 constraints, ReadFeed: 0/112 constraints, PredecessorRefiner: 840/660 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 42052ms problems are : Problem set: 0 solved, 1500 unsolved
Search for dead transitions found 0 dead transitions in 42055ms
[2026-05-30 08:54:59] [INFO ] Flow matrix only has 1482 transitions (discarded 24 similar events)
[2026-05-30 08:54:59] [INFO ] Invariant cache hit.
[2026-05-30 08:55:01] [INFO ] Implicit Places using invariants in 1325 ms returned [294, 295, 296, 297]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 1335 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 336/448 places, 1506/1614 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 332 transition count 1502
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 332 transition count 1502
Applied a total of 8 rules in 41 ms. Remains 332 /336 variables (removed 4) and now considering 1502/1506 (removed 4) transitions.
[2026-05-30 08:55:01] [INFO ] Flow matrix only has 1478 transitions (discarded 24 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3964978890122958519.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9281969370902649011.kers'
[2026-05-30 08:55:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3964978890122958519.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9281969370902649011.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1478 rows 327 cols 9122 entries
Finished phase 1 with 179 SingleSign rule and 113 generalized
[2026-05-30 08:55:01] [INFO ] Computed 40 invariants in 13 ms
Computed 40 P flows in 14 ms.
Exported basis to /tmp/petrispot-output-9281969370902649011.kers
Total runtime 16 ms.
[2026-05-30 08:55:02] [INFO ] Implicit Places using invariants in 981 ms returned []
[2026-05-30 08:55:02] [INFO ] Flow matrix only has 1478 transitions (discarded 24 similar events)
[2026-05-30 08:55:02] [INFO ] Invariant cache hit.
[2026-05-30 08:55:03] [INFO ] State equation strengthened by 112 read => feed constraints.
[2026-05-30 08:55:10] [INFO ] Implicit Places using invariants and state equation in 8204 ms returned []
Implicit Place search using SMT with State Equation took 9187 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 332/448 places, 1502/1614 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 52693 ms. Remains : 332/448 places, 1502/1614 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(F((G(p1)||p0))))'
Stuttering acceptance computed with spot in 87 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : PolyORBLF-COL-S06J04T04-LTLFireability-12
Stuttering criterion allowed to conclude after 28 steps with 2 reset in 1 ms.
FORMULA PolyORBLF-COL-S06J04T04-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-COL-S06J04T04-LTLFireability-12 finished in 52821 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' '!(((!p0||X(G(!p0))) U X(p1)))'
Support contains 8 out of 448 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 448/448 places, 1614/1614 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 444 transition count 1610
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 444 transition count 1610
Applied a total of 8 rules in 30 ms. Remains 444 /448 variables (removed 4) and now considering 1610/1614 (removed 4) transitions.
Running 1604 sub problems to find dead transitions.
[2026-05-30 08:55:10] [INFO ] Flow matrix only has 1586 transitions (discarded 24 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6411206349399081855.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6930949000370712944.kers'
[2026-05-30 08:55:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6411206349399081855.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6930949000370712944.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 2 ms.
// Phase 1: matrix 1586 rows 439 cols 9278 entries
Finished phase 1 with 270 SingleSign rule and 130 generalized
[2026-05-30 08:55:10] [INFO ] Computed 44 invariants in 23 ms
Computed 44 P flows in 24 ms.
Exported basis to /tmp/petrispot-output-6930949000370712944.kers
Total runtime 25 ms.
[2026-05-30 08:55:10] [INFO ] State equation strengthened by 112 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/438 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 1604 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/438 variables, 20/37 constraints. Problems are: Problem set: 0 solved, 1604 unsolved
SMT process timed out in 22874ms, After SMT, problems are : Problem set: 0 solved, 1604 unsolved
Search for dead transitions found 0 dead transitions in 22880ms
[2026-05-30 08:55:33] [INFO ] Flow matrix only has 1586 transitions (discarded 24 similar events)
[2026-05-30 08:55:33] [INFO ] Invariant cache hit.
[2026-05-30 08:55:34] [INFO ] Implicit Places using invariants in 1094 ms returned [354, 355, 356, 357]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 1102 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 440/448 places, 1610/1614 transitions.
Applied a total of 0 rules in 11 ms. Remains 440 /440 variables (removed 0) and now considering 1610/1610 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 24029 ms. Remains : 440/448 places, 1610/1614 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' '!(((!p0||X(G(!p0))) U X(p1)))'
Stuttering acceptance computed with spot in 153 ms :[(NOT p1), (NOT p1), (AND p0 (NOT p1)), true, p0]
Running random walk in product with property : PolyORBLF-COL-S06J04T04-LTLFireability-14
Stuttering criterion allowed to conclude after 7 steps with 0 reset in 0 ms.
FORMULA PolyORBLF-COL-S06J04T04-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-COL-S06J04T04-LTLFireability-14 finished in 24222 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((!p0||G(!p1))) U (X(G((!p0||G(!p1))))||(X((!p0||G(!p1)))&&(!p2||G(!p3))))))'
Support contains 19 out of 448 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 448/448 places, 1614/1614 transitions.
Applied a total of 0 rules in 11 ms. Remains 448 /448 variables (removed 0) and now considering 1614/1614 (removed 0) transitions.
Running 1608 sub problems to find dead transitions.
[2026-05-30 08:55:34] [INFO ] Flow matrix only has 1590 transitions (discarded 24 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11185074794997810463.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10360075070429375293.kers'
[2026-05-30 08:55:34] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11185074794997810463.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10360075070429375293.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 1 ms.
// Phase 1: matrix 1590 rows 443 cols 9286 entries
Finished phase 1 with 274 SingleSign rule and 130 generalized
[2026-05-30 08:55:34] [INFO ] Computed 44 invariants in 15 ms
Computed 44 P flows in 16 ms.
Exported basis to /tmp/petrispot-output-10360075070429375293.kers
Total runtime 18 ms.
[2026-05-30 08:55:34] [INFO ] State equation strengthened by 112 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/442 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 1608 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/442 variables, 20/37 constraints. Problems are: Problem set: 0 solved, 1608 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 442/2038 variables, and 37 constraints, problems are : Problem set: 0 solved, 1608 unsolved in 20062 ms.
Refiners :[Positive P Invariants (semi-flows): 17/21 constraints, Generalized P Invariants (flows): 20/23 constraints, State Equation: 0/448 constraints, ReadFeed: 0/112 constraints, PredecessorRefiner: 1608/768 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1608 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/442 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 1608 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/442 variables, 20/37 constraints. Problems are: Problem set: 0 solved, 1608 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 442/2038 variables, and 40 constraints, problems are : Problem set: 0 solved, 1608 unsolved in 20039 ms.
Refiners :[Positive P Invariants (semi-flows): 17/21 constraints, Generalized P Invariants (flows): 20/23 constraints, State Equation: 0/448 constraints, ReadFeed: 0/112 constraints, PredecessorRefiner: 840/768 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 42250ms problems are : Problem set: 0 solved, 1608 unsolved
Search for dead transitions found 0 dead transitions in 42255ms
[2026-05-30 08:56:16] [INFO ] Flow matrix only has 1590 transitions (discarded 24 similar events)
[2026-05-30 08:56:16] [INFO ] Invariant cache hit.
[2026-05-30 08:56:18] [INFO ] Implicit Places using invariants in 1201 ms returned [354, 355, 356, 357]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 1214 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 444/448 places, 1614/1614 transitions.
Applied a total of 0 rules in 17 ms. Remains 444 /444 variables (removed 0) and now considering 1614/1614 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 43502 ms. Remains : 444/448 places, 1614/1614 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((!p0||G(!p1))) U (X(G((!p0||G(!p1))))||(X((!p0||G(!p1)))&&(!p2||G(!p3))))))'
Stuttering acceptance computed with spot in 433 ms :[true, (AND p0 p1), (AND p1 p0), (AND p1 p3 p0), (AND p0 p1 p3), (AND p0 p1), (AND p0 p1), p1, (AND p1 p3), p3]
Running random walk in product with property : PolyORBLF-COL-S06J04T04-LTLFireability-15
Product exploration explored 100000 steps with 50000 reset in 1024 ms.
Product exploration explored 100000 steps with 50000 reset in 1029 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 24 factoid took 12 ms. Proved property starting from automaton with 10 states, 37 edges and 4 AP (stutter sensitive
Knowledge-based reduction took 23 ms.
FORMULA PolyORBLF-COL-S06J04T04-LTLFireability-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PolyORBLF-COL-S06J04T04-LTLFireability-15 finished in 46093 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((!p0||(!p1&&F(G(!p2)))))) U (X(X(G((!p0||(!p1&&F(G(!p2)))))))||(X(X((!p0||(!p1&&F(G(!p2))))))&&G(!p3)))))'
Spot run failed in 84 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/senseclsl.py", line 2, in
import spot, sys
ModuleNotFoundError: No module named 'spot'
Warning : SL/CL computation failed.
[2026-05-30 08:56:20] [INFO ] Flatten gal took : 74 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin7804075089434457164
[2026-05-30 08:56:21] [INFO ] Too many transitions (1614) to apply POR reductions. Disabling POR matrices.
[2026-05-30 08:56:21] [INFO ] Built C files in 43ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin7804075089434457164
Running compilation step : cd /tmp/ltsmin7804075089434457164;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '720' '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'
[2026-05-30 08:56:21] [INFO ] Applying decomposition
[2026-05-30 08:56:21] [INFO ] Flatten gal took : 82 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/graph8236010115997728822.txt' '-o' '/tmp/graph8236010115997728822.bin' '-w' '/tmp/graph8236010115997728822.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph8236010115997728822.bin' '-l' '-1' '-v' '-w' '/tmp/graph8236010115997728822.weights' '-q' '0' '-e' '0.001'
[2026-05-30 08:56:21] [INFO ] Decomposing Gal with order
[2026-05-30 08:56:21] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-30 08:56:21] [INFO ] Removed a total of 531 redundant transitions.
[2026-05-30 08:56:21] [INFO ] Flatten gal took : 170 ms
[2026-05-30 08:56:21] [INFO ] Fuse similar labels procedure discarded/fused a total of 139 labels/synchronizations in 23 ms.
[2026-05-30 08:56:21] [INFO ] Time to serialize gal into /tmp/LTLFireability12420131558781877391.gal : 19 ms
[2026-05-30 08:56:21] [INFO ] Time to serialize properties into /tmp/LTLFireability881034200179348943.ltl : 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/LTLFireability12420131558781877391.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability881034200179348943.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...276
Read 1 LTL properties
Checking formula 0 : !(((X(X((!("((((i6.u54.Check_Sources_E_0>=1)&&(i0.u5.ORB_Lock>=1))||((i6.u55.Check_Sources_E_1>=1)&&(i0.u5.ORB_Lock>=1)))||(((i6.u52.C...2943
Formula 0 simplified : XX("((((i6.u54.Check_Sources_E_0>=1)&&(i0.u5.ORB_Lock>=1))||((i6.u55.Check_Sources_E_1>=1)&&(i0.u5.ORB_Lock>=1)))||(((i6.u52.Check_S...2872
Compilation finished in 6267 ms.
Running link step : cd /tmp/ltsmin7804075089434457164;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 279 ms.
Running LTSmin : cd /tmp/ltsmin7804075089434457164;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' '(X(X((!(LTLAPp0==true)||(!(LTLAPp1==true)&&<>([](!(LTLAPp2==true))))))) U (X(X([]((!(LTLAPp0==true)||(!(LTLAPp1==true)&&<>([](!(LTLAPp2==true))))))))||(X(X((!(LTLAPp0==true)||(!(LTLAPp1==true)&&<>([](!(LTLAPp2==true)))))))&&[](!(LTLAPp3==true)))))' '--buchi-type=spotba'
LTSmin run took 1381 ms.
FORMULA PolyORBLF-COL-S06J04T04-LTLFireability-01 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 598096 ms.
BK_STOP 1780131389086
--------------------
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="PolyORBLF-COL-S06J04T04"
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 PolyORBLF-COL-S06J04T04, 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 r210-smll-177969942100364"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/PolyORBLF-COL-S06J04T04.tgz
mv PolyORBLF-COL-S06J04T04 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 '
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 ;