Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r002-oct2-177944366000140.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is AirplaneLD-PT-4000, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944366000140
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 76M
-rw-r--r-- 1 mcc users 1.9M Mar 4 17:07 CTLCardinality.txt
-rw-r--r-- 1 mcc users 6.3M Mar 4 17:07 CTLCardinality.xml
-rw-r--r-- 1 mcc users 1.1M Mar 4 17:05 CTLFireability.txt
-rw-r--r-- 1 mcc users 5.8M Mar 4 17:05 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 1.4M Mar 15 07:01 LTLCardinality.txt
-rw-r--r-- 1 mcc users 3.1M Mar 15 07:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 726K Mar 15 07:02 LTLFireability.txt
-rw-r--r-- 1 mcc users 2.9M Mar 15 07:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.5M Mar 4 17:16 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 15M Mar 4 17:16 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.7M Mar 4 17:13 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 14M Mar 4 17:13 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 188K Mar 15 07:02 UpperBounds.txt
-rw-r--r-- 1 mcc users 354K Mar 15 07:02 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 18M 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 AirplaneLD-PT-4000-LTLFireability-00
FORMULA_NAME AirplaneLD-PT-4000-LTLFireability-01
FORMULA_NAME AirplaneLD-PT-4000-LTLFireability-02
FORMULA_NAME AirplaneLD-PT-4000-LTLFireability-03
FORMULA_NAME AirplaneLD-PT-4000-LTLFireability-04
FORMULA_NAME AirplaneLD-PT-4000-LTLFireability-05
FORMULA_NAME AirplaneLD-PT-4000-LTLFireability-06
FORMULA_NAME AirplaneLD-PT-4000-LTLFireability-07
FORMULA_NAME AirplaneLD-PT-4000-LTLFireability-08
FORMULA_NAME AirplaneLD-PT-4000-LTLFireability-09
FORMULA_NAME AirplaneLD-PT-4000-LTLFireability-10
FORMULA_NAME AirplaneLD-PT-4000-LTLFireability-11
FORMULA_NAME AirplaneLD-PT-4000-LTLFireability-12
FORMULA_NAME AirplaneLD-PT-4000-LTLFireability-13
FORMULA_NAME AirplaneLD-PT-4000-LTLFireability-14
FORMULA_NAME AirplaneLD-PT-4000-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779461836776

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AirplaneLD-PT-4000
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-22 14:57:18] [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]
[2026-05-22 14:57:18] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 14:57:19] [INFO ] Load time of PNML (sax parser for PT used): 1213 ms
[2026-05-22 14:57:19] [INFO ] Transformed 28019 places.
[2026-05-22 14:57:19] [INFO ] Transformed 32008 transitions.
[2026-05-22 14:57:19] [INFO ] Found NUPN structural information;
[2026-05-22 14:57:20] [INFO ] Parsed PT model containing 28019 places and 32008 transitions and 122028 arcs in 1485 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 117 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Reduce places removed 12002 places and 0 transitions.
FORMULA AirplaneLD-PT-4000-LTLFireability-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-4000-LTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-4000-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 12016 out of 16017 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 16017/16017 places, 32008/32008 transitions.
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 16014 transition count 32008
Discarding 3997 places :
Symmetric choice reduction at 1 with 3997 rule applications. Total rules 4000 place count 12017 transition count 28011
Iterating global reduction 1 with 3997 rules applied. Total rules applied 7997 place count 12017 transition count 28011
Ensure Unique test removed 3997 transitions
Reduce isomorphic transitions removed 3997 transitions.
Iterating post reduction 1 with 3997 rules applied. Total rules applied 11994 place count 12017 transition count 24014
Applied a total of 11994 rules in 876 ms. Remains 12017 /16017 variables (removed 4000) and now considering 24014/32008 (removed 7994) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4014327222938861105.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7336000158708538509.kers'
[2026-05-22 14:57:22] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4014327222938861105.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7336000158708538509.kers]
Culled 0 columns in 22 ms.
// Phase 1: matrix 24014 rows 12017 cols 54032 entries
Finished phase 1 with 12011 SingleSign rule and 5 generalized
[2026-05-22 14:57:23] [INFO ] Computed 1 invariants in 1293 ms
Computed 1 P flows in 1295 ms.
Exported basis to /tmp/petrispot-output-7336000158708538509.kers
Total runtime 1315 ms.
[2026-05-22 14:57:26] [INFO ] Implicit Places using invariants in 3612 ms returned []
Implicit Place search using SMT only with invariants took 3654 ms to find 0 implicit places.
Running 12007 sub problems to find dead transitions.
[2026-05-22 14:57:26] [INFO ] Invariant cache hit.
Excessive predecessor constraint size, skipping predecessor.
Error getting values : (error "ParserException while parsing response: (timeout
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(s1661 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 12012/36031 variables, and 0 constraints, problems are : Problem set: 0 solved, 12007 unsolved in 30269 ms.
Refiners :[Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/12017 constraints, PredecessorRefiner: 12007/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12007 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 12012/36031 variables, and 0 constraints, problems are : Problem set: 0 solved, 12007 unsolved in 30168 ms.
Refiners :[Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/12017 constraints, PredecessorRefiner: 12003/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 119308ms problems are : Problem set: 0 solved, 12007 unsolved
Search for dead transitions found 0 dead transitions in 119406ms
Starting structural reductions in LTL mode, iteration 1 : 12017/16017 places, 24014/32008 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 124050 ms. Remains : 12017/16017 places, 24014/32008 transitions.
Starting structural reductions in LTL mode, iteration 0 : 12017/12017 places, 24014/24014 transitions.
Applied a total of 0 rules in 53 ms. Remains 12017 /12017 variables (removed 0) and now considering 24014/24014 (removed 0) transitions.
[2026-05-22 14:59:25] [INFO ] Invariant cache hit.
[2026-05-22 14:59:28] [INFO ] Implicit Places using invariants in 2361 ms returned []
Implicit Place search using SMT only with invariants took 2363 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 2423 ms. Remains : 12017/12017 places, 24014/24014 transitions.
Support contains 12016 out of 12017 places after structural reductions.
[2026-05-22 14:59:29] [INFO ] Flatten gal took : 951 ms
[2026-05-22 14:59:31] [INFO ] Flatten gal took : 721 ms
[2026-05-22 14:59:32] [INFO ] Input system was already deterministic with 24014 transitions.
Reduction of identical properties reduced properties to check from 32 to 31
RANDOM walk for 40000 steps (5033 resets) in 81190 ms. (0 steps per ms) remains 5/31 properties
BEST_FIRST walk for 40004 steps (0 resets) in 167 ms. (238 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (0 resets) in 97 ms. (408 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (0 resets) in 144 ms. (275 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (0 resets) in 175 ms. (227 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (0 resets) in 208 ms. (191 steps per ms) remains 5/5 properties
[2026-05-22 14:59:53] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 12006/12013 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12013 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 5 unsolved
SMT process timed out in 5101ms, After SMT, problems are : Problem set: 0 solved, 5 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 7 out of 12017 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12017/12017 places, 24014/24014 transitions.
Graph (complete) has 18015 edges and 12017 vertex of which 12010 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.27 ms
Discarding 7 places :
Also discarding 6 output transitions
Drop transitions (Output transitions of discarded places.) removed 6 transitions
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 5 place count 12010 transition count 24004
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 3 Pre rules applied. Total rules applied 5 place count 12010 transition count 24001
Deduced a syphon composed of 3 places in 3 ms
Ensure Unique test removed 2 places
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 1 with 8 rules applied. Total rules applied 13 place count 12005 transition count 24001
Free-agglomeration rule applied 11995 times.
Iterating global reduction 1 with 11995 rules applied. Total rules applied 12008 place count 12005 transition count 12006
Reduce places removed 11995 places and 0 transitions.
Ensure Unique test removed 11992 transitions
Reduce isomorphic transitions removed 11992 transitions.
Iterating post reduction 1 with 23987 rules applied. Total rules applied 35995 place count 10 transition count 14
Applied a total of 35995 rules in 5815 ms. Remains 10 /12017 variables (removed 12007) and now considering 14/24014 (removed 24000) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5815 ms. Remains : 10/12017 places, 14/24014 transitions.
RANDOM walk for 141 steps (22 resets) in 4 ms. (28 steps per ms) remains 0/5 properties
FORMULA AirplaneLD-PT-4000-LTLFireability-08 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 12017 stabilizing places and 24014 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 12017 transition count 24014
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(((p0&&X(p0))||(F(p1)&&F(p2))))&&F(p3)))'
Support contains 8005 out of 12017 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12017/12017 places, 24014/24014 transitions.
Discarding 4000 places :
Symmetric choice reduction at 0 with 4000 rule applications. Total rules 4000 place count 8017 transition count 20014
Iterating global reduction 0 with 4000 rules applied. Total rules applied 8000 place count 8017 transition count 20014
Ensure Unique test removed 4000 transitions
Reduce isomorphic transitions removed 4000 transitions.
Iterating post reduction 0 with 4000 rules applied. Total rules applied 12000 place count 8017 transition count 16014
Applied a total of 12000 rules in 683 ms. Remains 8017 /12017 variables (removed 4000) and now considering 16014/24014 (removed 8000) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7902785022805487939.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9906560824837116415.kers'
[2026-05-22 15:00:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7902785022805487939.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9906560824837116415.kers]
Culled 0 columns in 12 ms.
// Phase 1: matrix 16014 rows 8017 cols 36032 entries
Finished phase 1 with 8011 SingleSign rule and 5 generalized
[2026-05-22 15:00:07] [INFO ] Computed 1 invariants in 758 ms
Computed 1 P flows in 759 ms.
Exported basis to /tmp/petrispot-output-9906560824837116415.kers
Total runtime 771 ms.
[2026-05-22 15:00:08] [INFO ] Implicit Places using invariants in 2268 ms returned []
Implicit Place search using SMT only with invariants took 2285 ms to find 0 implicit places.
Running 8007 sub problems to find dead transitions.
[2026-05-22 15:00:08] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 8012/24031 variables, and 0 constraints, problems are : Problem set: 0 solved, 8007 unsolved in 30147 ms.
Refiners :[Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/8017 constraints, PredecessorRefiner: 8007/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8007 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 8012/24031 variables, and 0 constraints, problems are : Problem set: 0 solved, 8007 unsolved in 30125 ms.
Refiners :[Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/8017 constraints, PredecessorRefiner: 8002/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 90872ms problems are : Problem set: 0 solved, 8007 unsolved
Search for dead transitions found 0 dead transitions in 90906ms
Starting structural reductions in LTL mode, iteration 1 : 8017/12017 places, 16014/24014 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 93911 ms. Remains : 8017/12017 places, 16014/24014 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(p0))||(F(p1)&&F(p2))))&&F(p3)))'
Stuttering acceptance computed with spot in 592 ms :[(OR (NOT p3) (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p3), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : AirplaneLD-PT-4000-LTLFireability-01
Stuttering criterion allowed to conclude after 7 steps with 0 reset in 32 ms.
FORMULA AirplaneLD-PT-4000-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-4000-LTLFireability-01 finished in 94848 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0&&X((X(F(p2))&&p1)))))'
Support contains 2005 out of 12017 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12017/12017 places, 24014/24014 transitions.
Applied a total of 0 rules in 28 ms. Remains 12017 /12017 variables (removed 0) and now considering 24014/24014 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16654595661281551446.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3673007887490430895.kers'
[2026-05-22 15:01:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16654595661281551446.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3673007887490430895.kers]
Culled 0 columns in 16 ms.
// Phase 1: matrix 24014 rows 12017 cols 54032 entries
Finished phase 1 with 12011 SingleSign rule and 5 generalized
[2026-05-22 15:01:41] [INFO ] Computed 1 invariants in 1265 ms
Computed 1 P flows in 1267 ms.
Exported basis to /tmp/petrispot-output-3673007887490430895.kers
Total runtime 1280 ms.
[2026-05-22 15:01:54] [INFO ] Implicit Places using invariants in 13612 ms returned [12016]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 13663 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 12016/12017 places, 24014/24014 transitions.
Applied a total of 0 rules in 41 ms. Remains 12016 /12016 variables (removed 0) and now considering 24014/24014 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 13733 ms. Remains : 12016/12017 places, 24014/24014 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0&&X((X(F(p2))&&p1)))))'
Stuttering acceptance computed with spot in 232 ms :[(NOT p2), (OR (NOT p1) (NOT p2)), (OR (NOT p2) (NOT p0) (NOT p1)), (OR (NOT p2) (NOT p1) (NOT p0)), true]
Running random walk in product with property : AirplaneLD-PT-4000-LTLFireability-02
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 28 ms.
FORMULA AirplaneLD-PT-4000-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-4000-LTLFireability-02 finished in 14093 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((!p0||X(X(p1)))) U (p2 U (X(!p1)||G(p3)))))'
Support contains 2006 out of 12017 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12017/12017 places, 24014/24014 transitions.
Applied a total of 0 rules in 31 ms. Remains 12017 /12017 variables (removed 0) and now considering 24014/24014 (removed 0) transitions.
[2026-05-22 15:01:54] [INFO ] Invariant cache hit.
[2026-05-22 15:02:09] [INFO ] Implicit Places using invariants in 14670 ms returned []
Implicit Place search using SMT only with invariants took 14675 ms to find 0 implicit places.
Running 12007 sub problems to find dead transitions.
[2026-05-22 15:02:09] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 12012/36031 variables, and 0 constraints, problems are : Problem set: 0 solved, 12007 unsolved in 30172 ms.
Refiners :[Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/12017 constraints, PredecessorRefiner: 12007/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12007 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 12012/36031 variables, and 0 constraints, problems are : Problem set: 0 solved, 12007 unsolved in 30212 ms.
Refiners :[Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/12017 constraints, PredecessorRefiner: 12003/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 112705ms problems are : Problem set: 0 solved, 12007 unsolved
Search for dead transitions found 0 dead transitions in 112743ms
Finished structural reductions in LTL mode , in 1 iterations and 127514 ms. Remains : 12017/12017 places, 24014/24014 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((!p0||X(X(p1)))) U (p2 U (X(!p1)||G(p3)))))'
Stuttering acceptance computed with spot in 724 ms :[(AND p1 (NOT p3)), false, (AND p1 (NOT p3)), false, false, (NOT p1), (NOT p1), true, false, false, (AND (NOT p1) (NOT p3)), (AND (NOT p3) (NOT p1)), (NOT p3)]
Running random walk in product with property : AirplaneLD-PT-4000-LTLFireability-03
Product exploration timeout after 25820 steps with 12908 reset in 143908 ms.
Product exploration timeout after 1860 steps with 930 reset in 10009 ms.
Computed a total of 12017 stabilizing places and 24014 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 12017 transition count 24014
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge based reduction with 14 factoid took 413 ms. Reduced automaton from 13 states, 26 edges and 4 AP (stutter sensitive) to 13 states, 23 edges and 4 AP (stutter sensitive).
RANDOM walk for 40000 steps (5047 resets) in 79361 ms. (0 steps per ms) remains 2/16 properties
BEST_FIRST walk for 40004 steps (0 resets) in 4209 ms. (9 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (0 resets) in 19 ms. (2000 steps per ms) remains 2/2 properties
[2026-05-22 15:07:17] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2006 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem apf6 is UNSAT
Problem apf9 is UNSAT
After SMT solving in domain Real declared 2007/36031 variables, and 1 constraints, problems are : Problem set: 2 solved, 0 unsolved in 936 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/12017 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1017ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 2 invariant AP formulas.
Knowledge based reduction with 16 factoid took 505 ms. Reduced automaton from 13 states, 23 edges and 4 AP (stutter sensitive) to 8 states, 11 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 330 ms :[(AND p1 (NOT p3)), false, (AND p1 (NOT p3)), false, (NOT p1), (NOT p1), true, false]
Knowledge-based reduction took 42214 ms.
Stuttering acceptance computed with spot in 300 ms :[(AND p1 (NOT p3)), false, (AND p1 (NOT p3)), false, (NOT p1), (NOT p1), true, false]
Support contains 2006 out of 12017 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12017/12017 places, 24014/24014 transitions.
Applied a total of 0 rules in 25 ms. Remains 12017 /12017 variables (removed 0) and now considering 24014/24014 (removed 0) transitions.
[2026-05-22 15:07:19] [INFO ] Invariant cache hit.
[2026-05-22 15:07:30] [INFO ] Implicit Places using invariants in 11114 ms returned []
Implicit Place search using SMT only with invariants took 11120 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 11160 ms. Remains : 12017/12017 places, 24014/24014 transitions.
Computed a total of 12017 stabilizing places and 24014 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 12017 transition count 24014
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge based reduction with 8 factoid took 256 ms. Reduced automaton from 8 states, 11 edges and 4 AP (stutter sensitive) to 8 states, 11 edges and 4 AP (stutter sensitive).
RANDOM walk for 744 steps (94 resets) in 1750 ms. (0 steps per ms) remains 0/10 properties
Knowledge based reduction with 8 factoid took 528 ms. Reduced automaton from 8 states, 11 edges and 4 AP (stutter sensitive) to 8 states, 11 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 259 ms :[(AND p1 (NOT p3)), false, (AND p1 (NOT p3)), false, (NOT p1), (NOT p1), true, false]
Knowledge-based reduction took 16388 ms.
Stuttering acceptance computed with spot in 295 ms :[(AND p1 (NOT p3)), false, (AND p1 (NOT p3)), false, (NOT p1), (NOT p1), true, false]
Stuttering acceptance computed with spot in 297 ms :[(AND p1 (NOT p3)), false, (AND p1 (NOT p3)), false, (NOT p1), (NOT p1), true, false]
Product exploration timeout after 1860 steps with 929 reset in 10055 ms.
Product exploration timeout after 1840 steps with 920 reset in 10035 ms.
Spot run failed in 123 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/ltsmin13431547067071049698
[2026-05-22 15:08:08] [INFO ] Built C files in 244ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13431547067071049698
Running compilation step : cd /tmp/ltsmin13431547067071049698;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin13431547067071049698;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin13431547067071049698;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 2006 out of 12017 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12017/12017 places, 24014/24014 transitions.
Applied a total of 0 rules in 31 ms. Remains 12017 /12017 variables (removed 0) and now considering 24014/24014 (removed 0) transitions.
[2026-05-22 15:08:11] [INFO ] Invariant cache hit.
[2026-05-22 15:08:23] [INFO ] Implicit Places using invariants in 12231 ms returned []
Implicit Place search using SMT only with invariants took 12249 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 12282 ms. Remains : 12017/12017 places, 24014/24014 transitions.
Built C files in :
/tmp/ltsmin3755479534347330710
[2026-05-22 15:08:23] [INFO ] Built C files in 225ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3755479534347330710
Running compilation step : cd /tmp/ltsmin3755479534347330710;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin3755479534347330710;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin3755479534347330710;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2026-05-22 15:08:28] [INFO ] Flatten gal took : 373 ms
[2026-05-22 15:08:28] [INFO ] Flatten gal took : 380 ms
[2026-05-22 15:08:28] [INFO ] Time to serialize gal into /tmp/LTL15115628297454163592.gal : 130 ms
[2026-05-22 15:08:28] [INFO ] Time to serialize properties into /tmp/LTL2018396168529453855.prop : 8 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/LTL15115628297454163592.gal' '-t' 'CGAL' '-hoa' '/tmp/aut10646925425718096479.hoa' '-atoms' '/tmp/LTL2018396168529453855.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/LTL2018396168529453855.prop.
Loaded 4 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut10646925425718096479.hoa
Detected timeout of ITS tools.
[2026-05-22 15:08:44] [INFO ] Flatten gal took : 526 ms
[2026-05-22 15:08:44] [INFO ] Flatten gal took : 478 ms
[2026-05-22 15:08:45] [INFO ] Time to serialize gal into /tmp/LTL14487286618289349727.gal : 101 ms
[2026-05-22 15:08:45] [INFO ] Time to serialize properties into /tmp/LTL11131428666564776152.ltl : 19 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/LTL14487286618289349727.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL11131428666564776152.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...277
Read 1 LTL properties
Checking formula 0 : !(((X((!("((Weight_Left_Wheel_on==1)&&(P1==1))"))||(X(X("(stp5!=1)")))))U(("(((((((((((((Speed_Left_Wheel_1304==1)&&(P4==1))||((Speed_...81097
Formula 0 simplified : X("((Weight_Left_Wheel_on==1)&&(P1==1))" & XX!"(stp5!=1)") R (!"(((((((((((((Speed_Left_Wheel_1304==1)&&(P4==1))||((Speed_Left_Wheel...81081
Detected timeout of ITS tools.
[2026-05-22 15:09:00] [INFO ] Flatten gal took : 427 ms
[2026-05-22 15:09:00] [INFO ] Applying decomposition
[2026-05-22 15:09:01] [INFO ] Flatten gal took : 452 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph9264394879545357282.txt' '-o' '/tmp/graph9264394879545357282.bin' '-w' '/tmp/graph9264394879545357282.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph9264394879545357282.bin' '-l' '-1' '-v' '-w' '/tmp/graph9264394879545357282.weights' '-q' '0' '-e' '0.001'
[2026-05-22 15:09:02] [INFO ] Decomposing Gal with order
[2026-05-22 15:09:03] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 15:09:39] [INFO ] Removed a total of 11999 redundant transitions.
[2026-05-22 15:09:40] [INFO ] Flatten gal took : 36767 ms
[2026-05-22 15:09:43] [INFO ] Fuse similar labels procedure discarded/fused a total of 12003 labels/synchronizations in 2018 ms.
[2026-05-22 15:09:43] [INFO ] Time to serialize gal into /tmp/LTL11747323421071537518.gal : 82 ms
[2026-05-22 15:09:43] [INFO ] Time to serialize properties into /tmp/LTL12997915594232339482.ltl : 8 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/LTL11747323421071537518.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL12997915594232339482.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...256
Read 1 LTL properties
Checking formula 0 : !(((X((!("((i4.u4.Weight_Left_Wheel_on==1)&&(i4.u6.P1==1))"))||(X(X("(u1.stp5!=1)")))))U(("(((((((((((((u0.Speed_Left_Wheel_1304==1)&&...93133
Formula 0 simplified : X("((i4.u4.Weight_Left_Wheel_on==1)&&(i4.u6.P1==1))" & XX!"(u1.stp5!=1)") R (!"(((((((((((((u0.Speed_Left_Wheel_1304==1)&&(u5.P4==1)...93117
Detected timeout of ITS tools.
Treatment of property AirplaneLD-PT-4000-LTLFireability-03 finished in 484304 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)||X(X(X(F(p1)))))))'
Support contains 2 out of 12017 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12017/12017 places, 24014/24014 transitions.
Graph (complete) has 18015 edges and 12017 vertex of which 2 are kept as prefixes of interest. Removing 12015 places using SCC suffix rule.51 ms
Discarding 12015 places :
Also discarding 12014 output transitions
Drop transitions (Output transitions of discarded places.) removed 12014 transitions
Ensure Unique test removed 11998 transitions
Reduce isomorphic transitions removed 11998 transitions.
Iterating post reduction 0 with 11998 rules applied. Total rules applied 11999 place count 2 transition count 2
Applied a total of 11999 rules in 92 ms. Remains 2 /12017 variables (removed 12015) and now considering 2/24014 (removed 24012) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16271428781367287756.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6245264083468032920.kers'
[2026-05-22 15:09:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16271428781367287756.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6245264083468032920.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 2 rows 2 cols 2 entries
Finished phase 1 with 2 SingleSign rule and 0 generalized
[2026-05-22 15:09:59] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6245264083468032920.kers
Total runtime 0 ms.
[2026-05-22 15:09:59] [INFO ] Implicit Places using invariants in 54 ms returned []
[2026-05-22 15:09:59] [INFO ] Invariant cache hit.
[2026-05-22 15:09:59] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 96 ms to find 0 implicit places.
[2026-05-22 15:09:59] [INFO ] Redundant transitions in 0 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2/12017 places, 2/24014 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 195 ms. Remains : 2/12017 places, 2/24014 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)||X(X(X(F(p1)))))))'
Stuttering acceptance computed with spot in 186 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : AirplaneLD-PT-4000-LTLFireability-05
Product exploration explored 100000 steps with 36353 reset in 92 ms.
Product exploration explored 100000 steps with 36369 reset in 81 ms.
Computed a total of 2 stabilizing places and 2 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 2 transition count 2
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 4 factoid took 18 ms. Proved property starting from automaton with 4 states, 5 edges and 2 AP (stutter insensitive
Knowledge-based reduction took 65 ms.
FORMULA AirplaneLD-PT-4000-LTLFireability-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-PT-4000-LTLFireability-05 finished in 663 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 2000 out of 12017 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12017/12017 places, 24014/24014 transitions.
Graph (complete) has 18015 edges and 12017 vertex of which 12012 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.27 ms
Discarding 5 places :
Also discarding 6 output transitions
Drop transitions (Output transitions of discarded places.) removed 6 transitions
Applied a total of 1 rules in 213 ms. Remains 12012 /12017 variables (removed 5) and now considering 24008/24014 (removed 6) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12210810489205465543.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15316220344112125166.kers'
[2026-05-22 15:09:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12210810489205465543.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15316220344112125166.kers]
Culled 0 columns in 9 ms.
// Phase 1: matrix 24008 rows 12012 cols 52019 entries
Finished phase 1 with 12007 SingleSign rule and 4 generalized
[2026-05-22 15:10:01] [INFO ] Computed 1 invariants in 1298 ms
Computed 1 P flows in 1312 ms.
Exported basis to /tmp/petrispot-output-15316220344112125166.kers
Total runtime 1327 ms.
[2026-05-22 15:10:13] [INFO ] Implicit Places using invariants in 13741 ms returned [12011]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 13775 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 12011/12017 places, 24008/24014 transitions.
Graph (complete) has 16009 edges and 12011 vertex of which 12010 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.16 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 12010 transition count 24006
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 12009 transition count 24006
Applied a total of 3 rules in 234 ms. Remains 12009 /12011 variables (removed 2) and now considering 24006/24008 (removed 2) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3624421692982496750.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16581444646503037641.kers'
[2026-05-22 15:10:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3624421692982496750.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16581444646503037641.kers]
Culled 0 columns in 13 ms.
// Phase 1: matrix 24006 rows 12009 cols 52013 entries
Finished phase 1 with 12009 SingleSign rule and 0 generalized
[2026-05-22 15:10:14] [INFO ] Computed 0 invariants in 1051 ms
Computed 0 P flows in 1052 ms.
Exported basis to /tmp/petrispot-output-16581444646503037641.kers
Total runtime 1069 ms.
[2026-05-22 15:10:28] [INFO ] Implicit Places using invariants in 14803 ms returned []
Implicit Place search using SMT only with invariants took 14809 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 12009/12017 places, 24006/24014 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 29045 ms. Remains : 12009/12017 places, 24006/24014 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 39 ms :[(NOT p0)]
Running random walk in product with property : AirplaneLD-PT-4000-LTLFireability-06
Stuttering criterion allowed to conclude after 7 steps with 0 reset in 14 ms.
FORMULA AirplaneLD-PT-4000-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-4000-LTLFireability-06 finished in 29225 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 U (p2||G(!p1)))))))'
Support contains 2003 out of 12017 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12017/12017 places, 24014/24014 transitions.
Graph (complete) has 18015 edges and 12017 vertex of which 12012 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.13 ms
Discarding 5 places :
Also discarding 6 output transitions
Drop transitions (Output transitions of discarded places.) removed 6 transitions
Applied a total of 1 rules in 136 ms. Remains 12012 /12017 variables (removed 5) and now considering 24008/24014 (removed 6) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17968223977884026164.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2345153984691436705.kers'
[2026-05-22 15:10:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17968223977884026164.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2345153984691436705.kers]
Culled 0 columns in 11 ms.
// Phase 1: matrix 24008 rows 12012 cols 52019 entries
Finished phase 1 with 12007 SingleSign rule and 4 generalized
[2026-05-22 15:10:30] [INFO ] Computed 1 invariants in 1333 ms
Computed 1 P flows in 1334 ms.
Exported basis to /tmp/petrispot-output-2345153984691436705.kers
Total runtime 1349 ms.
[2026-05-22 15:10:43] [INFO ] Implicit Places using invariants in 14400 ms returned [12011]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 14449 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 12011/12017 places, 24008/24014 transitions.
Graph (complete) has 16009 edges and 12011 vertex of which 12010 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.13 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Applied a total of 1 rules in 123 ms. Remains 12010 /12011 variables (removed 1) and now considering 24007/24008 (removed 1) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6338074845135912553.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1824986655703063236.kers'
[2026-05-22 15:10:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6338074845135912553.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1824986655703063236.kers]
Culled 0 columns in 9 ms.
// Phase 1: matrix 24007 rows 12010 cols 52015 entries
Finished phase 1 with 12010 SingleSign rule and 0 generalized
[2026-05-22 15:10:43] [INFO ] Computed 0 invariants in 91 ms
Computed 0 P flows in 96 ms.
Exported basis to /tmp/petrispot-output-1824986655703063236.kers
Total runtime 112 ms.
[2026-05-22 15:10:55] [INFO ] Implicit Places using invariants in 11949 ms returned []
Implicit Place search using SMT only with invariants took 11973 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 12010/12017 places, 24007/24014 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 26694 ms. Remains : 12010/12017 places, 24007/24014 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 U (p2||G(!p1)))))))'
Stuttering acceptance computed with spot in 129 ms :[(OR (NOT p0) (AND p1 (NOT p2))), (NOT p0), (AND (NOT p2) p1)]
Running random walk in product with property : AirplaneLD-PT-4000-LTLFireability-07
Product exploration timeout after 2980 steps with 632 reset in 10029 ms.
Product exploration timeout after 3000 steps with 634 reset in 10013 ms.
Computed a total of 12010 stabilizing places and 24007 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 12010 transition count 24007
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 8 factoid took 59 ms. Proved property starting from automaton with 3 states, 6 edges and 3 AP (stutter insensitive
Knowledge-based reduction took 25471 ms.
FORMULA AirplaneLD-PT-4000-LTLFireability-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-PT-4000-LTLFireability-07 finished in 72454 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)||((p1||F(G(!p2))) U p3)))'
Support contains 6 out of 12017 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12017/12017 places, 24014/24014 transitions.
Graph (complete) has 18015 edges and 12017 vertex of which 9 are kept as prefixes of interest. Removing 12008 places using SCC suffix rule.14 ms
Discarding 12008 places :
Also discarding 24003 output transitions
Drop transitions (Output transitions of discarded places.) removed 24003 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 9 transition count 9
Applied a total of 3 rules in 50 ms. Remains 9 /12017 variables (removed 12008) and now considering 9/24014 (removed 24005) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14371905150388715416.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-74066690588560547.kers'
[2026-05-22 15:11:41] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14371905150388715416.kers, --Pflows, --basisKERS=/tmp/petrispot-output-74066690588560547.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 9 rows 9 cols 18 entries
Finished phase 1 with 6 SingleSign rule and 2 generalized
[2026-05-22 15:11:41] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-74066690588560547.kers
Total runtime 1 ms.
[2026-05-22 15:11:41] [INFO ] Implicit Places using invariants in 49 ms returned []
[2026-05-22 15:11:41] [INFO ] Invariant cache hit.
[2026-05-22 15:11:41] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 109 ms to find 0 implicit places.
[2026-05-22 15:11:41] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2026-05-22 15:11:41] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 1/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 8/15 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 1/16 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/16 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/16 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 16/18 variables, and 9 constraints, problems are : Problem set: 0 solved, 4 unsolved in 106 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 8/9 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 1/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 8/15 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 1/16 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/16 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/16 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 16/18 variables, and 13 constraints, problems are : Problem set: 0 solved, 4 unsolved in 158 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 8/9 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 267ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 268ms
Starting structural reductions in SI_LTL mode, iteration 1 : 9/12017 places, 9/24014 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 435 ms. Remains : 9/12017 places, 9/24014 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)||((p1||F(G(!p2))) U p3)))'
Stuttering acceptance computed with spot in 230 ms :[(AND (NOT p0) (NOT p3)), p2, (NOT p3), (AND p2 (NOT p0))]
Running random walk in product with property : AirplaneLD-PT-4000-LTLFireability-09
Stuttering criterion allowed to conclude after 4 steps with 0 reset in 1 ms.
FORMULA AirplaneLD-PT-4000-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-4000-LTLFireability-09 finished in 705 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0&&X(F(p1))&&(p2 U (p3||G(p2))))))'
Support contains 5 out of 12017 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12017/12017 places, 24014/24014 transitions.
Applied a total of 0 rules in 26 ms. Remains 12017 /12017 variables (removed 0) and now considering 24014/24014 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13249469338868653130.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13974666729871022264.kers'
[2026-05-22 15:11:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13249469338868653130.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13974666729871022264.kers]
Culled 0 columns in 9 ms.
// Phase 1: matrix 24014 rows 12017 cols 54032 entries
Finished phase 1 with 12011 SingleSign rule and 5 generalized
[2026-05-22 15:11:43] [INFO ] Computed 1 invariants in 1194 ms
Computed 1 P flows in 1195 ms.
Exported basis to /tmp/petrispot-output-13974666729871022264.kers
Total runtime 1222 ms.
[2026-05-22 15:11:57] [INFO ] Implicit Places using invariants in 15724 ms returned [12016]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 15736 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 12016/12017 places, 24014/24014 transitions.
Applied a total of 0 rules in 27 ms. Remains 12016 /12016 variables (removed 0) and now considering 24014/24014 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 15802 ms. Remains : 12016/12017 places, 24014/24014 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(p0))&&(p1 U (p2||G(p1)))&&p3)))'
Stuttering acceptance computed with spot in 209 ms :[(OR (NOT p3) (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p3) (NOT p0) (AND (NOT p1) (NOT p2))), true, (NOT p0), (AND (NOT p2) (NOT p1))]
Running random walk in product with property : AirplaneLD-PT-4000-LTLFireability-10
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 8 ms.
FORMULA AirplaneLD-PT-4000-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-4000-LTLFireability-10 finished in 16096 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(G((!p0&&(p1 U p2)))))'
Support contains 4 out of 12017 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12017/12017 places, 24014/24014 transitions.
Applied a total of 0 rules in 26 ms. Remains 12017 /12017 variables (removed 0) and now considering 24014/24014 (removed 0) transitions.
[2026-05-22 15:11:58] [INFO ] Invariant cache hit.
[2026-05-22 15:12:11] [INFO ] Implicit Places using invariants in 13567 ms returned [12016]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 13585 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 12016/12017 places, 24014/24014 transitions.
Applied a total of 0 rules in 54 ms. Remains 12016 /12016 variables (removed 0) and now considering 24014/24014 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 13667 ms. Remains : 12016/12017 places, 24014/24014 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(G((p0&&(p1 U p2)))))'
Stuttering acceptance computed with spot in 206 ms :[(OR (NOT p2) (NOT p0)), (OR (NOT p2) (NOT p0)), true, (NOT p2)]
Running random walk in product with property : AirplaneLD-PT-4000-LTLFireability-11
Entered a terminal (fully accepting) state of product in 6 steps with 0 reset in 38 ms.
FORMULA AirplaneLD-PT-4000-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-4000-LTLFireability-11 finished in 14007 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(!p0)&&(!p1 U (G(!p1)||(!p1&&G(!p2)))))) U (G((!p0||(F(!p0)&&(!p1 U (G(!p1)||(!p1&&G(!p2)))))))||(!p3&&(!p0||(F(!p0)&&(!p1 U (G(!p1)||(!p1&&G(!p2))))))))))))'
Support contains 5 out of 12017 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12017/12017 places, 24014/24014 transitions.
Graph (complete) has 18015 edges and 12017 vertex of which 12012 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.20 ms
Discarding 5 places :
Also discarding 6 output transitions
Drop transitions (Output transitions of discarded places.) removed 6 transitions
Applied a total of 1 rules in 150 ms. Remains 12012 /12017 variables (removed 5) and now considering 24008/24014 (removed 6) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-821207212242827122.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4557740019616464566.kers'
[2026-05-22 15:12:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-821207212242827122.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4557740019616464566.kers]
Culled 0 columns in 9 ms.
// Phase 1: matrix 24008 rows 12012 cols 52019 entries
Finished phase 1 with 12007 SingleSign rule and 4 generalized
[2026-05-22 15:12:13] [INFO ] Computed 1 invariants in 1245 ms
Computed 1 P flows in 1246 ms.
Exported basis to /tmp/petrispot-output-4557740019616464566.kers
Total runtime 1281 ms.
[2026-05-22 15:12:26] [INFO ] Implicit Places using invariants in 14300 ms returned [12011]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 14322 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 12011/12017 places, 24008/24014 transitions.
Graph (complete) has 16009 edges and 12011 vertex of which 12010 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.23 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 12010 transition count 24006
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 12009 transition count 24006
Applied a total of 3 rules in 219 ms. Remains 12009 /12011 variables (removed 2) and now considering 24006/24008 (removed 2) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-356367200673042083.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5745636490142152355.kers'
[2026-05-22 15:12:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-356367200673042083.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5745636490142152355.kers]
Culled 0 columns in 17 ms.
// Phase 1: matrix 24006 rows 12009 cols 52013 entries
Finished phase 1 with 12009 SingleSign rule and 0 generalized
[2026-05-22 15:12:27] [INFO ] Computed 0 invariants in 1088 ms
Computed 0 P flows in 1091 ms.
Exported basis to /tmp/petrispot-output-5745636490142152355.kers
Total runtime 1134 ms.
[2026-05-22 15:12:43] [INFO ] Implicit Places using invariants in 16363 ms returned []
Implicit Place search using SMT only with invariants took 16385 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 12009/12017 places, 24006/24014 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 31078 ms. Remains : 12009/12017 places, 24006/24014 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(!p0)&&(!p1 U (G(!p1)||(!p1&&G(!p2)))))) U (G((!p0||(F(!p0)&&(!p1 U (G(!p1)||(!p1&&G(!p2)))))))||(!p3&&(!p0||(F(!p0)&&(!p1 U (G(!p1)||(!p1&&G(!p2))))))))))))'
Stuttering acceptance computed with spot in 337 ms :[p0, p0, p0, (AND p0 p1 p2), (AND p0 p1), (AND p0 p2), (AND p0 p2)]
Running random walk in product with property : AirplaneLD-PT-4000-LTLFireability-12
Product exploration timeout after 3730 steps with 636 reset in 10009 ms.
Product exploration timeout after 3860 steps with 650 reset in 10073 ms.
Computed a total of 12009 stabilizing places and 24006 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 12009 transition count 24006
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 20 factoid took 43 ms. Proved property starting from automaton with 7 states, 35 edges and 4 AP (stutter insensitive
Knowledge-based reduction took 14815 ms.
FORMULA AirplaneLD-PT-4000-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-PT-4000-LTLFireability-12 finished in 66420 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(p0)&&(p1||X(X(X(G(p2))))))))'
Support contains 5 out of 12017 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12017/12017 places, 24014/24014 transitions.
Applied a total of 0 rules in 44 ms. Remains 12017 /12017 variables (removed 0) and now considering 24014/24014 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9817542349209254293.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1144920490708047441.kers'
[2026-05-22 15:13:18] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9817542349209254293.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1144920490708047441.kers]
Culled 0 columns in 15 ms.
// Phase 1: matrix 24014 rows 12017 cols 54032 entries
Finished phase 1 with 12011 SingleSign rule and 5 generalized
[2026-05-22 15:13:19] [INFO ] Computed 1 invariants in 1250 ms
Computed 1 P flows in 1251 ms.
Exported basis to /tmp/petrispot-output-1144920490708047441.kers
Total runtime 1291 ms.
[2026-05-22 15:13:32] [INFO ] Implicit Places using invariants in 14353 ms returned []
Implicit Place search using SMT only with invariants took 14368 ms to find 0 implicit places.
Running 12007 sub problems to find dead transitions.
[2026-05-22 15:13:33] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 12012/36031 variables, and 0 constraints, problems are : Problem set: 0 solved, 12007 unsolved in 30198 ms.
Refiners :[Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/12017 constraints, PredecessorRefiner: 12007/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12007 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 12012/36031 variables, and 0 constraints, problems are : Problem set: 0 solved, 12007 unsolved in 30195 ms.
Refiners :[Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/12017 constraints, PredecessorRefiner: 12003/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 121836ms problems are : Problem set: 0 solved, 12007 unsolved
Search for dead transitions found 0 dead transitions in 121893ms
Finished structural reductions in LTL mode , in 1 iterations and 136351 ms. Remains : 12017/12017 places, 24014/24014 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(p0)&&(p1||X(X(X(G(p2))))))))'
Stuttering acceptance computed with spot in 298 ms :[true, (NOT p0), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (NOT p2)), (NOT p2), (NOT p2), (OR (NOT p0) (AND (NOT p1) (NOT p2)))]
Running random walk in product with property : AirplaneLD-PT-4000-LTLFireability-13
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 28 ms.
FORMULA AirplaneLD-PT-4000-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-4000-LTLFireability-13 finished in 136798 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((((!p1&&X(!p2)) U (G((!p1&&X(!p2)))||(X(!p2)&&p3)))||p0)))'
Support contains 6 out of 12017 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12017/12017 places, 24014/24014 transitions.
Applied a total of 0 rules in 58 ms. Remains 12017 /12017 variables (removed 0) and now considering 24014/24014 (removed 0) transitions.
[2026-05-22 15:15:35] [INFO ] Invariant cache hit.
[2026-05-22 15:15:48] [INFO ] Implicit Places using invariants in 12982 ms returned [12016]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 13026 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 12016/12017 places, 24014/24014 transitions.
Applied a total of 0 rules in 30 ms. Remains 12016 /12016 variables (removed 0) and now considering 24014/24014 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 13116 ms. Remains : 12016/12017 places, 24014/24014 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((((!p1&&X(!p2)) U (G((!p1&&X(!p2)))||(X(!p2)&&p3)))||p0)))'
Stuttering acceptance computed with spot in 247 ms :[true, p2, (OR (AND (NOT p0) p1 (NOT p3)) (AND (NOT p0) p2)), (OR (AND (NOT p0) p1 (NOT p3)) (AND (NOT p0) p2)), (OR p2 (AND p1 (NOT p3)))]
Running random walk in product with property : AirplaneLD-PT-4000-LTLFireability-15
Product exploration timeout after 1830 steps with 915 reset in 10005 ms.
Product exploration timeout after 1840 steps with 920 reset in 10024 ms.
Computed a total of 12016 stabilizing places and 24014 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 12016 transition count 24014
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge based reduction with 10 factoid took 145 ms. Proved property starting from automaton with 5 states, 9 edges and 4 AP (stutter sensitive
Knowledge-based reduction took 17552 ms.
FORMULA AirplaneLD-PT-4000-LTLFireability-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-PT-4000-LTLFireability-15 finished in 51039 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((!p0||X(X(p1)))) U (p2 U (X(!p1)||G(p3)))))'
Spot run failed in 50 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/senseclsl.py", line 2, in
import spot, sys
ModuleNotFoundError: No module named 'spot'
Warning : SL/CL computation failed.
[2026-05-22 15:16:26] [INFO ] Flatten gal took : 375 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin15695626149079384004
[2026-05-22 15:16:27] [INFO ] Too many transitions (24014) to apply POR reductions. Disabling POR matrices.
[2026-05-22 15:16:27] [INFO ] Built C files in 204ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15695626149079384004
Running compilation step : cd /tmp/ltsmin15695626149079384004;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '720' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
[2026-05-22 15:16:27] [INFO ] Applying decomposition
[2026-05-22 15:16:27] [INFO ] Flatten gal took : 507 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph3872088892741747557.txt' '-o' '/tmp/graph3872088892741747557.bin' '-w' '/tmp/graph3872088892741747557.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph3872088892741747557.bin' '-l' '-1' '-v' '-w' '/tmp/graph3872088892741747557.weights' '-q' '0' '-e' '0.001'
[2026-05-22 15:16:28] [INFO ] Decomposing Gal with order
[2026-05-22 15:16:29] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 15:17:06] [INFO ] Removed a total of 11999 redundant transitions.
[2026-05-22 15:17:07] [INFO ] Flatten gal took : 37185 ms
[2026-05-22 15:17:10] [INFO ] Fuse similar labels procedure discarded/fused a total of 12003 labels/synchronizations in 2527 ms.
[2026-05-22 15:17:10] [INFO ] Time to serialize gal into /tmp/LTLFireability9021349431163320705.gal : 58 ms
[2026-05-22 15:17:10] [INFO ] Time to serialize properties into /tmp/LTLFireability6787660188371373369.ltl : 8 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/LTLFireability9021349431163320705.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability6787660188371373369.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !(((X((!("((i4.u4.Weight_Left_Wheel_on==1)&&(i4.u6.P1==1))"))||(X(X("(u1.stp5!=1)")))))U(("(((((((((((((u0.Speed_Left_Wheel_1304==1)&&...93133
Formula 0 simplified : X("((i4.u4.Weight_Left_Wheel_on==1)&&(i4.u6.P1==1))" & XX!"(u1.stp5!=1)") R (!"(((((((((((((u0.Speed_Left_Wheel_1304==1)&&(u5.P4==1)...93117
Compilation finished in 346023 ms.
Running link step : cd /tmp/ltsmin15695626149079384004;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 221 ms.
Running LTSmin : cd /tmp/ltsmin15695626149079384004;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' '(X((!(LTLAPp0==true)||X(X((LTLAPp1==true))))) U ((LTLAPp2==true) U (X(!(LTLAPp1==true))||[]((LTLAPp3==true)))))' '--buchi-type=spotba'
Reverse transition relation is NOT exact ! Due to transitions t12009, t15525, t22860, t24011, i4.t24013, Intersection with reachable at each step enabled....208
Computing Next relation with stutter on 2.88012e+08 deadlock states
24 unique states visited
11 strongly connected components in search stack
26 transitions explored
11 items max in DFS search stack
113168 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,0,1133.74,13004616,1,0,92690,5.0255e+07,72337,889,262058,454196,250120
an accepting run exists (use option '-e' to print it)
Formula 0 is FALSE accepting run found.
FORMULA AirplaneLD-PT-4000-LTLFireability-03 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
LTSmin run took 878332 ms.
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 2374464 ms.

BK_STOP 1779464215137

--------------------
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="AirplaneLD-PT-4000"
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 AirplaneLD-PT-4000, 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 r002-oct2-177944366000140"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-PT-4000.tgz
mv AirplaneLD-PT-4000 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 ;