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.r194-tall-177969913800020.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 Murphy-COL-D2N050, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r194-tall-177969913800020
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 424K
-rw-r--r-- 1 mcc users 5.6K Mar 8 14:24 CTLCardinality.txt
-rw-r--r-- 1 mcc users 56K Mar 8 14:24 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K Mar 8 14:24 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K Mar 8 14:24 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 17 09:04 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 17 09:04 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 17 09:04 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 17 09:04 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.0K Mar 8 14:24 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 95K Mar 8 14:24 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.4K Mar 8 14:24 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 91K Mar 8 14:24 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 17 09:04 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 17 09:04 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 20K 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 Murphy-COL-D2N050-LTLFireability-00
FORMULA_NAME Murphy-COL-D2N050-LTLFireability-01
FORMULA_NAME Murphy-COL-D2N050-LTLFireability-02
FORMULA_NAME Murphy-COL-D2N050-LTLFireability-03
FORMULA_NAME Murphy-COL-D2N050-LTLFireability-04
FORMULA_NAME Murphy-COL-D2N050-LTLFireability-05
FORMULA_NAME Murphy-COL-D2N050-LTLFireability-06
FORMULA_NAME Murphy-COL-D2N050-LTLFireability-07
FORMULA_NAME Murphy-COL-D2N050-LTLFireability-08
FORMULA_NAME Murphy-COL-D2N050-LTLFireability-09
FORMULA_NAME Murphy-COL-D2N050-LTLFireability-10
FORMULA_NAME Murphy-COL-D2N050-LTLFireability-11
FORMULA_NAME Murphy-COL-D2N050-LTLFireability-12
FORMULA_NAME Murphy-COL-D2N050-LTLFireability-13
FORMULA_NAME Murphy-COL-D2N050-LTLFireability-14
FORMULA_NAME Murphy-COL-D2N050-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779700611117

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Murphy-COL-D2N050
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLFireability COL
Running Version 202604301425
[2026-05-25 09:16:52] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-25 09:16:52] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 09:16:52] [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.
[2026-05-25 09:16:52] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-25 09:16:52] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 529 ms
[2026-05-25 09:16:52] [INFO ] Imported 6 HL places and 7 HL transitions for a total of 18 PT places and 21.0 transition bindings in 16 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
[2026-05-25 09:16:53] [INFO ] Built PT skeleton of HLPN with 6 places and 7 transitions 27 arcs in 5 ms.
[2026-05-25 09:16:53] [INFO ] Skeletonized 16 HLPN properties in 1 ms.
Initial state reduction rules removed 1 formulas.
FORMULA Murphy-COL-D2N050-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
Remains 3 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 4 to 3
RANDOM walk for 306 steps (0 resets) in 7 ms. (38 steps per ms) remains 0/3 properties
[2026-05-25 09:16:53] [INFO ] Flatten gal took : 13 ms
[2026-05-25 09:16:53] [INFO ] Flatten gal took : 2 ms
Arc [2:1*[(MOD (ADD $x 1) 3)]] contains successor/predecessor on variables of sort CD
[2026-05-25 09:16:53] [INFO ] Unfolded HLPN to a Petri net with 18 places and 21 transitions 81 arcs in 12 ms.
[2026-05-25 09:16:53] [INFO ] Unfolded 15 HLPN properties in 1 ms.
Initial state reduction rules removed 1 formulas.
FORMULA Murphy-COL-D2N050-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 18 out of 18 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 4 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Running 12 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11016808098214646743.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-747687268892741367.kers'
[2026-05-25 09:16:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11016808098214646743.kers, --Pflows, --basisKERS=/tmp/petrispot-output-747687268892741367.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 21 rows 15 cols 51 entries
Finished phase 1 with 14 SingleSign rule and 0 generalized
[2026-05-25 09:16:53] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-747687268892741367.kers
Total runtime 1 ms.
[2026-05-25 09:16:53] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 3/15 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 21/36 variables, 15/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 3/39 variables, 3/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/39 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/39 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 39/39 variables, and 28 constraints, problems are : Problem set: 0 solved, 12 unsolved in 425 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 18/18 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 3/15 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 21/36 variables, 15/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 3/39 variables, 3/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/39 variables, 12/40 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/39 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (OVERLAPS) 0/39 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 39/39 variables, and 40 constraints, problems are : Problem set: 0 solved, 12 unsolved in 258 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 18/18 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 736ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 745ms
[2026-05-25 09:16:54] [INFO ] Invariant cache hit.
[2026-05-25 09:16:54] [INFO ] Implicit Places using invariants in 27 ms returned []
[2026-05-25 09:16:54] [INFO ] Invariant cache hit.
[2026-05-25 09:16:54] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 09:16:54] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 69 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 863 ms. Remains : 18/18 places, 21/21 transitions.
Starting structural reductions in LTL mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 0 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 09:16:54] [INFO ] Invariant cache hit.
[2026-05-25 09:16:54] [INFO ] Implicit Places using invariants in 20 ms returned []
[2026-05-25 09:16:54] [INFO ] Invariant cache hit.
[2026-05-25 09:16:54] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 09:16:54] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 51 ms. Remains : 18/18 places, 21/21 transitions.
Support contains 18 out of 18 places after structural reductions.
[2026-05-25 09:16:54] [INFO ] Flatten gal took : 5 ms
[2026-05-25 09:16:54] [INFO ] Flatten gal took : 5 ms
[2026-05-25 09:16:54] [INFO ] Input system was already deterministic with 21 transitions.
Reduction of identical properties reduced properties to check from 13 to 11
RANDOM walk for 40085 steps (8 resets) in 413 ms. (96 steps per ms) remains 2/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 619 ms. (64 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 348 ms. (114 steps per ms) remains 2/2 properties
[2026-05-25 09:16:54] [INFO ] Invariant cache hit.
[2026-05-25 09:16:54] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 3/15 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 21/36 variables, 15/19 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 3/39 variables, 3/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/39 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/39 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 39/39 variables, and 28 constraints, problems are : Problem set: 0 solved, 2 unsolved in 65 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 18/18 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 3/15 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 21/36 variables, 15/19 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 3/39 variables, 3/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/39 variables, 2/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/39 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/39 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 39/39 variables, and 30 constraints, problems are : Problem set: 0 solved, 2 unsolved in 135 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 18/18 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 205ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 172 ms.
Support contains 12 out of 18 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 3 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 18/18 places, 21/21 transitions.
RANDOM walk for 40139 steps (8 resets) in 174 ms. (229 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 141 ms. (281 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 86 ms. (459 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 553040 steps, run timeout after 3001 ms. (steps per millisecond=184 ) properties seen :0 out of 2
Probabilistic random walk after 553040 steps, saw 354700 distinct states, run finished after 3006 ms. (steps per millisecond=183 ) properties seen :0
[2026-05-25 09:16:58] [INFO ] Invariant cache hit.
[2026-05-25 09:16:58] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 3/15 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 21/36 variables, 15/19 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 3/39 variables, 3/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/39 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/39 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 39/39 variables, and 28 constraints, problems are : Problem set: 0 solved, 2 unsolved in 63 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 18/18 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 3/15 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 21/36 variables, 15/19 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 3/39 variables, 3/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/39 variables, 2/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/39 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/39 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 39/39 variables, and 30 constraints, problems are : Problem set: 0 solved, 2 unsolved in 122 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 18/18 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 190ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 94 ms.
Support contains 12 out of 18 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 18/18 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 0 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2026-05-25 09:16:58] [INFO ] Invariant cache hit.
[2026-05-25 09:16:58] [INFO ] Implicit Places using invariants in 39 ms returned [6, 7, 8]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 42 ms to find 3 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 15/18 places, 21/21 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 45 ms. Remains : 15/18 places, 21/21 transitions.
RANDOM walk for 40064 steps (8 resets) in 90 ms. (440 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 75 ms. (526 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 76 ms. (519 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 659316 steps, run timeout after 3001 ms. (steps per millisecond=219 ) properties seen :0 out of 2
Probabilistic random walk after 659316 steps, saw 423994 distinct states, run finished after 3001 ms. (steps per millisecond=219 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10075264470400348466.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13248518593574396084.kers'
[2026-05-25 09:17:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10075264470400348466.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13248518593574396084.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 21 rows 15 cols 51 entries
Finished phase 1 with 14 SingleSign rule and 0 generalized
[2026-05-25 09:17:01] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13248518593574396084.kers
Total runtime 0 ms.
[2026-05-25 09:17:01] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 2 unsolved in 39 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 2/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 24 constraints, problems are : Problem set: 0 solved, 2 unsolved in 62 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 111ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 91 ms.
Support contains 12 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2026-05-25 09:17:01] [INFO ] Invariant cache hit.
[2026-05-25 09:17:01] [INFO ] Implicit Places using invariants in 19 ms returned []
[2026-05-25 09:17:01] [INFO ] Invariant cache hit.
[2026-05-25 09:17:01] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 09:17:01] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
[2026-05-25 09:17:01] [INFO ] Redundant transitions in 0 ms returned []
Running 12 sub problems to find dead transitions.
[2026-05-25 09:17:01] [INFO ] Invariant cache hit.
[2026-05-25 09:17:01] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 117 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 206 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 325ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 326ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 379 ms. Remains : 15/15 places, 21/21 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Running SMT prover for 2 properties.
[2026-05-25 09:17:02] [INFO ] Invariant cache hit.
[2026-05-25 09:17:02] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 09:17:02] [INFO ] After 28ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-25 09:17:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2026-05-25 09:17:02] [INFO ] After 14ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2026-05-25 09:17:02] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 09:17:02] [INFO ] After 9ms SMT Verify possible using 6 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-25 09:17:02] [INFO ] After 23ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-25 09:17:02] [INFO ] After 74ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Over-approximation ignoring read arcs solved 0 properties in 119 ms.
FORMULA Murphy-COL-D2N050-LTLFireability-05 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(X(G((X(X(X(p1)))||p0)))))'
Support contains 12 out of 18 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 0 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Running 12 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17092839730343892240.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15290649672291972841.kers'
[2026-05-25 09:17:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17092839730343892240.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15290649672291972841.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 21 rows 15 cols 51 entries
Finished phase 1 with 14 SingleSign rule and 0 generalized
[2026-05-25 09:17:02] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15290649672291972841.kers
Total runtime 0 ms.
[2026-05-25 09:17:02] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 3/15 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 21/36 variables, 15/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 3/39 variables, 3/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/39 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/39 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 39/39 variables, and 28 constraints, problems are : Problem set: 0 solved, 12 unsolved in 143 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 18/18 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 3/15 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 21/36 variables, 15/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 3/39 variables, 3/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/39 variables, 12/40 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/39 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (OVERLAPS) 0/39 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 39/39 variables, and 40 constraints, problems are : Problem set: 0 solved, 12 unsolved in 186 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 18/18 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 339ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 340ms
[2026-05-25 09:17:03] [INFO ] Invariant cache hit.
[2026-05-25 09:17:03] [INFO ] Implicit Places using invariants in 26 ms returned [6, 7, 8]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 27 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 15/18 places, 21/21 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 367 ms. Remains : 15/18 places, 21/21 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((X(X(X(p1)))||p0)))))'
Stuttering acceptance computed with spot in 383 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1), true]
Running random walk in product with property : Murphy-COL-D2N050-LTLFireability-00
Product exploration explored 100000 steps with 0 reset in 275 ms.
Product exploration explored 100000 steps with 0 reset in 231 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 2 factoid took 61 ms. Reduced automaton from 7 states, 8 edges and 2 AP (stutter sensitive) to 7 states, 8 edges and 2 AP (stutter sensitive).
RANDOM walk for 40042 steps (8 resets) in 55 ms. (715 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 353 ms. (113 steps per ms) remains 1/1 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12673888876101161131.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1929008717700607908.kers'
[2026-05-25 09:17:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12673888876101161131.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1929008717700607908.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 21 rows 15 cols 51 entries
Finished phase 1 with 14 SingleSign rule and 0 generalized
[2026-05-25 09:17:04] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1929008717700607908.kers
Total runtime 0 ms.
[2026-05-25 09:17:04] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 1 unsolved in 141 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 23 constraints, problems are : Problem set: 0 solved, 1 unsolved in 65 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 230ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 21 ms.
Support contains 12 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Running 12 sub problems to find dead transitions.
[2026-05-25 09:17:04] [INFO ] Invariant cache hit.
[2026-05-25 09:17:04] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 122 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 244 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 369ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 369ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 370 ms. Remains : 15/15 places, 21/21 transitions.
RANDOM walk for 40135 steps (8 resets) in 49 ms. (802 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 94 ms. (421 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2499840 steps, run timeout after 3001 ms. (steps per millisecond=833 ) properties seen :0 out of 1
Probabilistic random walk after 2499840 steps, saw 1575073 distinct states, run finished after 3001 ms. (steps per millisecond=833 ) properties seen :0
[2026-05-25 09:17:07] [INFO ] Invariant cache hit.
[2026-05-25 09:17:07] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 1 unsolved in 39 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 23 constraints, problems are : Problem set: 0 solved, 1 unsolved in 49 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 96ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 18 ms.
Support contains 12 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2026-05-25 09:17:07] [INFO ] Invariant cache hit.
[2026-05-25 09:17:07] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-25 09:17:07] [INFO ] Invariant cache hit.
[2026-05-25 09:17:07] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 09:17:07] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
[2026-05-25 09:17:07] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49 ms. Remains : 15/15 places, 21/21 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Running SMT prover for 1 properties.
[2026-05-25 09:17:07] [INFO ] Invariant cache hit.
[2026-05-25 09:17:07] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 09:17:07] [INFO ] After 19ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-25 09:17:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 09:17:08] [INFO ] After 11ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-25 09:17:08] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 09:17:08] [INFO ] After 12ms SMT Verify possible using 6 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-25 09:17:08] [INFO ] After 19ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-25 09:17:08] [INFO ] After 54ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 76 ms.
Knowledge based reduction with 2 factoid took 57 ms. Reduced automaton from 7 states, 8 edges and 2 AP (stutter sensitive) to 7 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 290 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1), true]
Knowledge-based reduction took 4444 ms.
Stuttering acceptance computed with spot in 276 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1), true]
Support contains 12 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 09:17:08] [INFO ] Invariant cache hit.
[2026-05-25 09:17:08] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-25 09:17:08] [INFO ] Invariant cache hit.
[2026-05-25 09:17:08] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 09:17:08] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 53 ms. Remains : 15/15 places, 21/21 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 2 factoid took 51 ms. Reduced automaton from 7 states, 8 edges and 2 AP (stutter sensitive) to 7 states, 8 edges and 2 AP (stutter sensitive).
RANDOM walk for 40042 steps (8 resets) in 41 ms. (953 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
[2026-05-25 09:17:08] [INFO ] Invariant cache hit.
[2026-05-25 09:17:08] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 1 unsolved in 34 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 23 constraints, problems are : Problem set: 0 solved, 1 unsolved in 54 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 91ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 17 ms.
Support contains 12 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 21/21 transitions.
RANDOM walk for 40043 steps (8 resets) in 174 ms. (228 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 57 ms. (689 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2462448 steps, run timeout after 3001 ms. (steps per millisecond=820 ) properties seen :0 out of 1
Probabilistic random walk after 2462448 steps, saw 1552218 distinct states, run finished after 3001 ms. (steps per millisecond=820 ) properties seen :0
[2026-05-25 09:17:11] [INFO ] Invariant cache hit.
[2026-05-25 09:17:11] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 1 unsolved in 37 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 23 constraints, problems are : Problem set: 0 solved, 1 unsolved in 50 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 91ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 16 ms.
Support contains 12 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2026-05-25 09:17:12] [INFO ] Invariant cache hit.
[2026-05-25 09:17:12] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-25 09:17:12] [INFO ] Invariant cache hit.
[2026-05-25 09:17:12] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 09:17:12] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
[2026-05-25 09:17:12] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52 ms. Remains : 15/15 places, 21/21 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Running SMT prover for 1 properties.
[2026-05-25 09:17:12] [INFO ] Invariant cache hit.
[2026-05-25 09:17:12] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 09:17:12] [INFO ] After 19ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-25 09:17:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 09:17:12] [INFO ] After 11ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-25 09:17:12] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 09:17:12] [INFO ] After 15ms SMT Verify possible using 6 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-25 09:17:12] [INFO ] After 22ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-25 09:17:12] [INFO ] After 59ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 80 ms.
Knowledge based reduction with 2 factoid took 67 ms. Reduced automaton from 7 states, 8 edges and 2 AP (stutter sensitive) to 7 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 272 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1), true]
Knowledge-based reduction took 3830 ms.
Stuttering acceptance computed with spot in 269 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1), true]
Stuttering acceptance computed with spot in 286 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1), true]
Product exploration explored 100000 steps with 0 reset in 185 ms.
Product exploration explored 100000 steps with 0 reset in 191 ms.
Spot run failed in 80 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/ltsmin2823571755666792485
[2026-05-25 09:17:13] [INFO ] Built C files in 15ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2823571755666792485
Running compilation step : cd /tmp/ltsmin2823571755666792485;'/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'
Compilation finished in 224 ms.
Running link step : cd /tmp/ltsmin2823571755666792485;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 46 ms.
Running LTSmin : cd /tmp/ltsmin2823571755666792485;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased8783793449093861450.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 12 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 09:17:28] [INFO ] Invariant cache hit.
[2026-05-25 09:17:28] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-25 09:17:28] [INFO ] Invariant cache hit.
[2026-05-25 09:17:28] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 09:17:28] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 47 ms. Remains : 15/15 places, 21/21 transitions.
Built C files in :
/tmp/ltsmin1012654177478790566
[2026-05-25 09:17:28] [INFO ] Built C files in 2ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin1012654177478790566
Running compilation step : cd /tmp/ltsmin1012654177478790566;'/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'
Compilation finished in 84 ms.
Running link step : cd /tmp/ltsmin1012654177478790566;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 30 ms.
Running LTSmin : cd /tmp/ltsmin1012654177478790566;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased12782822142140268649.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2026-05-25 09:17:43] [INFO ] Flatten gal took : 2 ms
[2026-05-25 09:17:43] [INFO ] Flatten gal took : 2 ms
[2026-05-25 09:17:43] [INFO ] Time to serialize gal into /tmp/LTL2659915939328293588.gal : 1 ms
[2026-05-25 09:17:43] [INFO ] Time to serialize properties into /tmp/LTL16932281244729991389.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL2659915939328293588.gal' '-t' 'CGAL' '-hoa' '/tmp/aut11652253865285670336.hoa' '-atoms' '/tmp/LTL16932281244729991389.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...319
Loading property file /tmp/LTL16932281244729991389.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut11652253865285670336.hoa
Reverse transition relation is NOT exact ! Due to transitions t0, t1, t2, Intersection with reachable at each step enabled. (destroyed/reverse/intersect/t...171
3 unique states visited
0 strongly connected components in search stack
3 transitions explored
3 items max in DFS search stack
1404 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,14.0606,158656,1,0,47,549608,63,21,1484,594655,61
no accepting run found
Formula 0 is TRUE no accepting run found.
FORMULA Murphy-COL-D2N050-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE HOA DECISION_DIAGRAMS TOPOLOGICAL
Treatment of property Murphy-COL-D2N050-LTLFireability-00 finished in 55850 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 U p1)))&&(!F(G(p0)) U (p0 U p0))))'
Support contains 12 out of 18 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Running 12 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3425792642955013311.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7378709095066502449.kers'
[2026-05-25 09:17:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3425792642955013311.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7378709095066502449.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 21 rows 15 cols 51 entries
Finished phase 1 with 14 SingleSign rule and 0 generalized
[2026-05-25 09:17:58] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7378709095066502449.kers
Total runtime 0 ms.
[2026-05-25 09:17:58] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 3/15 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 21/36 variables, 15/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 3/39 variables, 3/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/39 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/39 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 39/39 variables, and 28 constraints, problems are : Problem set: 0 solved, 12 unsolved in 230 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 18/18 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 3/15 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 21/36 variables, 15/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 3/39 variables, 3/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/39 variables, 12/40 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/39 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (OVERLAPS) 0/39 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 39/39 variables, and 40 constraints, problems are : Problem set: 0 solved, 12 unsolved in 176 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 18/18 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 417ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 417ms
[2026-05-25 09:17:58] [INFO ] Invariant cache hit.
[2026-05-25 09:17:58] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-25 09:17:58] [INFO ] Invariant cache hit.
[2026-05-25 09:17:58] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 09:17:58] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 71 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 491 ms. Remains : 18/18 places, 21/21 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 U p1)))&&(!F(G(p0)) U (p0 U p0))))'
Stuttering acceptance computed with spot in 268 ms :[(OR (NOT p0) p1), p0, p1, (NOT p0), p0, p1, true]
Running random walk in product with property : Murphy-COL-D2N050-LTLFireability-02
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 0 ms.
FORMULA Murphy-COL-D2N050-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Murphy-COL-D2N050-LTLFireability-02 finished in 799 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((G((p0 U p1)) U (p2 U p3)))||(F(p1) U p3))))'
Support contains 9 out of 18 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 3 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 09:17:59] [INFO ] Invariant cache hit.
[2026-05-25 09:17:59] [INFO ] Implicit Places using invariants in 19 ms returned []
[2026-05-25 09:17:59] [INFO ] Invariant cache hit.
[2026-05-25 09:17:59] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 09:17:59] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
[2026-05-25 09:17:59] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 57 ms. Remains : 18/18 places, 21/21 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((G((p0 U p1)) U (p2 U p3)))||(F(p1) U p3))))'
Stuttering acceptance computed with spot in 32 ms :[(NOT p3)]
Running random walk in product with property : Murphy-COL-D2N050-LTLFireability-03
Product exploration explored 100000 steps with 9904 reset in 166 ms.
Stack based approach found an accepted trace after 229 steps with 25 reset with depth 6 and stack size 6 in 0 ms.
FORMULA Murphy-COL-D2N050-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property Murphy-COL-D2N050-LTLFireability-03 finished in 298 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(X((G(p0) U G(p1))))||X(!(p1 U !p0))))'
Support contains 12 out of 18 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 09:17:59] [INFO ] Invariant cache hit.
[2026-05-25 09:17:59] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-25 09:17:59] [INFO ] Invariant cache hit.
[2026-05-25 09:17:59] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 09:17:59] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 49 ms. Remains : 18/18 places, 21/21 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(X((G(p0) U G(p1))))||X(!(p1 U !p0))))'
Stuttering acceptance computed with spot in 143 ms :[(AND (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Murphy-COL-D2N050-LTLFireability-04
Product exploration explored 100000 steps with 13239 reset in 233 ms.
Product exploration explored 100000 steps with 12944 reset in 215 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 3 factoid took 131 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter sensitive) to 3 states, 5 edges and 2 AP (stutter sensitive).
RANDOM walk for 509 steps (0 resets) in 4 ms. (101 steps per ms) remains 0/3 properties
Knowledge based reduction with 3 factoid took 187 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter sensitive) to 3 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 113 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1))]
Knowledge-based reduction took 437 ms.
Stuttering acceptance computed with spot in 127 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1))]
Support contains 12 out of 18 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 09:18:00] [INFO ] Invariant cache hit.
[2026-05-25 09:18:00] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-25 09:18:00] [INFO ] Invariant cache hit.
[2026-05-25 09:18:00] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 09:18:00] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 43 ms. Remains : 18/18 places, 21/21 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 3 factoid took 153 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter sensitive) to 3 states, 5 edges and 2 AP (stutter sensitive).
RANDOM walk for 522 steps (0 resets) in 6 ms. (74 steps per ms) remains 0/3 properties
Knowledge based reduction with 3 factoid took 228 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter sensitive) to 3 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 117 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1))]
Knowledge-based reduction took 500 ms.
Stuttering acceptance computed with spot in 128 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 123 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 13253 reset in 139 ms.
Product exploration explored 100000 steps with 13497 reset in 149 ms.
Spot run failed in 46 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/ltsmin4733563007977051081
[2026-05-25 09:18:01] [INFO ] Built C files in 2ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin4733563007977051081
Running compilation step : cd /tmp/ltsmin4733563007977051081;'/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'
Compilation finished in 94 ms.
Running link step : cd /tmp/ltsmin4733563007977051081;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 36 ms.
Running LTSmin : cd /tmp/ltsmin4733563007977051081;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased5628012098495024490.hoa' '--buchi-type=spotba'
LTSmin run took 6850 ms.
FORMULA Murphy-COL-D2N050-LTLFireability-04 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property Murphy-COL-D2N050-LTLFireability-04 finished in 9404 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((X(p0)&&F(p1))))))'
Support contains 12 out of 18 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 09:18:08] [INFO ] Invariant cache hit.
[2026-05-25 09:18:09] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-25 09:18:09] [INFO ] Invariant cache hit.
[2026-05-25 09:18:09] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 09:18:09] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 64 ms. Remains : 18/18 places, 21/21 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((X(p0)&&F(p1))))))'
Stuttering acceptance computed with spot in 215 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1)]
Running random walk in product with property : Murphy-COL-D2N050-LTLFireability-06
Product exploration explored 100000 steps with 11740 reset in 170 ms.
Stack based approach found an accepted trace after 148 steps with 16 reset with depth 8 and stack size 8 in 0 ms.
FORMULA Murphy-COL-D2N050-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property Murphy-COL-D2N050-LTLFireability-06 finished in 481 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(p1)))'
Support contains 12 out of 18 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 09:18:09] [INFO ] Invariant cache hit.
[2026-05-25 09:18:09] [INFO ] Implicit Places using invariants in 20 ms returned [6, 7, 8]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 22 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 15/18 places, 21/21 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 24 ms. Remains : 15/18 places, 21/21 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(p1)))'
Stuttering acceptance computed with spot in 124 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), true]
Running random walk in product with property : Murphy-COL-D2N050-LTLFireability-08
Entered a terminal (fully accepting) state of product in 3 steps with 1 reset in 0 ms.
FORMULA Murphy-COL-D2N050-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Murphy-COL-D2N050-LTLFireability-08 finished in 178 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(!p0)&&F(p1))))'
Support contains 9 out of 18 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 2 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 09:18:09] [INFO ] Invariant cache hit.
[2026-05-25 09:18:09] [INFO ] Implicit Places using invariants in 20 ms returned []
[2026-05-25 09:18:09] [INFO ] Invariant cache hit.
[2026-05-25 09:18:09] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 09:18:09] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
[2026-05-25 09:18:09] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 59 ms. Remains : 18/18 places, 21/21 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(p0)&&F(p1))))'
Stuttering acceptance computed with spot in 143 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : Murphy-COL-D2N050-LTLFireability-09
Product exploration explored 100000 steps with 10984 reset in 138 ms.
Stack based approach found an accepted trace after 39 steps with 5 reset with depth 22 and stack size 21 in 0 ms.
FORMULA Murphy-COL-D2N050-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property Murphy-COL-D2N050-LTLFireability-09 finished in 369 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(p0)&&F(G(!p1)))))'
Support contains 9 out of 18 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 2 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 09:18:10] [INFO ] Invariant cache hit.
[2026-05-25 09:18:10] [INFO ] Implicit Places using invariants in 27 ms returned [6, 7, 8]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 29 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 15/18 places, 21/21 transitions.
Applied a total of 0 rules in 2 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 35 ms. Remains : 15/18 places, 21/21 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(p0)&&F(G(p1)))))'
Stuttering acceptance computed with spot in 97 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : Murphy-COL-D2N050-LTLFireability-10
Product exploration explored 100000 steps with 4 reset in 143 ms.
Stack based approach found an accepted trace after 30 steps with 0 reset with depth 31 and stack size 31 in 0 ms.
FORMULA Murphy-COL-D2N050-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property Murphy-COL-D2N050-LTLFireability-10 finished in 309 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 12 out of 18 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 2 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 09:18:10] [INFO ] Invariant cache hit.
[2026-05-25 09:18:10] [INFO ] Implicit Places using invariants in 19 ms returned []
[2026-05-25 09:18:10] [INFO ] Invariant cache hit.
[2026-05-25 09:18:10] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 09:18:10] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
[2026-05-25 09:18:10] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 60 ms. Remains : 18/18 places, 21/21 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 34 ms :[(NOT p0)]
Running random walk in product with property : Murphy-COL-D2N050-LTLFireability-11
Product exploration explored 100000 steps with 0 reset in 193 ms.
Stack based approach found an accepted trace after 57 steps with 0 reset with depth 58 and stack size 58 in 1 ms.
FORMULA Murphy-COL-D2N050-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property Murphy-COL-D2N050-LTLFireability-11 finished in 320 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(X(X(p0)))) U G(!p1)))'
Support contains 12 out of 18 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 09:18:10] [INFO ] Invariant cache hit.
[2026-05-25 09:18:10] [INFO ] Implicit Places using invariants in 32 ms returned [6, 7, 8]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 33 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 15/18 places, 21/21 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 34 ms. Remains : 15/18 places, 21/21 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(X(X(p0)))) U G(!p1)))'
Stuttering acceptance computed with spot in 438 ms :[p1, (NOT p0), (AND (NOT p0) p1), (NOT p0), (NOT p0), (NOT p0), true, (AND (NOT p0) p1), (AND (NOT p0) p1), (AND p1 (NOT p0)), (AND p1 p0)]
Running random walk in product with property : Murphy-COL-D2N050-LTLFireability-12
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 0 ms.
FORMULA Murphy-COL-D2N050-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Murphy-COL-D2N050-LTLFireability-12 finished in 516 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((X((X(X(F(p2)))&&p1))&&p0))))'
Support contains 9 out of 18 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 0 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 09:18:11] [INFO ] Invariant cache hit.
[2026-05-25 09:18:11] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-25 09:18:11] [INFO ] Invariant cache hit.
[2026-05-25 09:18:11] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 09:18:11] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 64 ms. Remains : 18/18 places, 21/21 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((X((X(X(F(p2)))&&p1))&&p0))))'
Stuttering acceptance computed with spot in 234 ms :[(OR (NOT p0) (NOT p1) (NOT p2)), (OR (NOT p2) (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p2)), (NOT p2), (NOT p2)]
Running random walk in product with property : Murphy-COL-D2N050-LTLFireability-13
Product exploration explored 100000 steps with 16720 reset in 135 ms.
Stack based approach found an accepted trace after 64 steps with 12 reset with depth 7 and stack size 7 in 0 ms.
FORMULA Murphy-COL-D2N050-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property Murphy-COL-D2N050-LTLFireability-13 finished in 469 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))||X(!p0)))'
Support contains 9 out of 18 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 09:18:11] [INFO ] Invariant cache hit.
[2026-05-25 09:18:11] [INFO ] Implicit Places using invariants in 21 ms returned [6, 7, 8]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 22 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 15/18 places, 21/21 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 23 ms. Remains : 15/18 places, 21/21 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))||X(!p0)))'
Stuttering acceptance computed with spot in 214 ms :[(AND p0 (NOT p1)), true, (NOT p1), (NOT p1), (AND p0 (NOT p1)), (AND p0 (NOT p1))]
Running random walk in product with property : Murphy-COL-D2N050-LTLFireability-14
Product exploration explored 100000 steps with 50000 reset in 74 ms.
Product exploration explored 100000 steps with 50000 reset in 86 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 8 factoid took 19 ms. Proved property starting from automaton with 6 states, 8 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 22 ms.
FORMULA Murphy-COL-D2N050-LTLFireability-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Murphy-COL-D2N050-LTLFireability-14 finished in 451 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((G(p0) U X((!p1&&F(p2)&&X(p1)))) U p2))'
Support contains 12 out of 18 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 09:18:12] [INFO ] Invariant cache hit.
[2026-05-25 09:18:12] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-25 09:18:12] [INFO ] Invariant cache hit.
[2026-05-25 09:18:12] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 09:18:12] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 57 ms. Remains : 18/18 places, 21/21 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(p0) U X((!p1&&F(p2)&&X(p1)))) U p2))'
Stuttering acceptance computed with spot in 338 ms :[(NOT p2), true, true, true, (NOT p1), (NOT p2), (NOT p0), (NOT p1)]
Running random walk in product with property : Murphy-COL-D2N050-LTLFireability-15
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA Murphy-COL-D2N050-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Murphy-COL-D2N050-LTLFireability-15 finished in 441 ms.
All properties solved by simple procedures.
Total runtime 80239 ms.

BK_STOP 1779700692565

--------------------
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="Murphy-COL-D2N050"
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 Murphy-COL-D2N050, 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 r194-tall-177969913800020"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Murphy-COL-D2N050.tgz
mv Murphy-COL-D2N050 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;