fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r002-oct2-177944366000131
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for AirplaneLD-PT-2000

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
2546.680 210420.00 300947.00 207.70 FFTFFTTFFTTFFTFF normal

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-oct2-177944366000131.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-2000, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944366000131
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 54M
-rw-r--r-- 1 mcc users 1.5M Mar 4 16:56 CTLCardinality.txt
-rw-r--r-- 1 mcc users 4.7M Mar 4 16:56 CTLCardinality.xml
-rw-r--r-- 1 mcc users 630K Mar 4 16:55 CTLFireability.txt
-rw-r--r-- 1 mcc users 3.6M Mar 4 16:55 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 787K Mar 15 07:01 LTLCardinality.txt
-rw-r--r-- 1 mcc users 2.0M Mar 15 07:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 430K Mar 15 07:01 LTLFireability.txt
-rw-r--r-- 1 mcc users 1.7M Mar 15 07:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.4M Mar 4 17:02 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 11M Mar 4 17:02 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.3M Mar 4 17:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 13M Mar 4 17:00 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 152K Mar 15 07:01 UpperBounds.txt
-rw-r--r-- 1 mcc users 277K Mar 15 07:01 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 8.7M 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-2000-LTLCardinality-00
FORMULA_NAME AirplaneLD-PT-2000-LTLCardinality-01
FORMULA_NAME AirplaneLD-PT-2000-LTLCardinality-02
FORMULA_NAME AirplaneLD-PT-2000-LTLCardinality-03
FORMULA_NAME AirplaneLD-PT-2000-LTLCardinality-04
FORMULA_NAME AirplaneLD-PT-2000-LTLCardinality-05
FORMULA_NAME AirplaneLD-PT-2000-LTLCardinality-06
FORMULA_NAME AirplaneLD-PT-2000-LTLCardinality-07
FORMULA_NAME AirplaneLD-PT-2000-LTLCardinality-08
FORMULA_NAME AirplaneLD-PT-2000-LTLCardinality-09
FORMULA_NAME AirplaneLD-PT-2000-LTLCardinality-10
FORMULA_NAME AirplaneLD-PT-2000-LTLCardinality-11
FORMULA_NAME AirplaneLD-PT-2000-LTLCardinality-12
FORMULA_NAME AirplaneLD-PT-2000-LTLCardinality-13
FORMULA_NAME AirplaneLD-PT-2000-LTLCardinality-14
FORMULA_NAME AirplaneLD-PT-2000-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1779461768827

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AirplaneLD-PT-2000
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202604301425
[2026-05-22 14:56:10] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-22 14:56:10] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 14:56:11] [INFO ] Load time of PNML (sax parser for PT used): 766 ms
[2026-05-22 14:56:11] [INFO ] Transformed 14019 places.
[2026-05-22 14:56:11] [INFO ] Transformed 16008 transitions.
[2026-05-22 14:56:11] [INFO ] Found NUPN structural information;
[2026-05-22 14:56:11] [INFO ] Parsed PT model containing 14019 places and 16008 transitions and 61028 arcs in 1015 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 92 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Reduce places removed 6002 places and 0 transitions.
FORMULA AirplaneLD-PT-2000-LTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-2000-LTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-2000-LTLCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-2000-LTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-2000-LTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-2000-LTLCardinality-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-2000-LTLCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-2000-LTLCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-2000-LTLCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 6016 out of 8017 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8017/8017 places, 16008/16008 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8016 transition count 16008
Discarding 1997 places :
Symmetric choice reduction at 1 with 1997 rule applications. Total rules 1998 place count 6019 transition count 14011
Iterating global reduction 1 with 1997 rules applied. Total rules applied 3995 place count 6019 transition count 14011
Ensure Unique test removed 1997 transitions
Reduce isomorphic transitions removed 1997 transitions.
Iterating post reduction 1 with 1997 rules applied. Total rules applied 5992 place count 6019 transition count 12014
Applied a total of 5992 rules in 390 ms. Remains 6019 /8017 variables (removed 1998) and now considering 12014/16008 (removed 3994) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4761907312999494248.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7099416572077284277.kers'
[2026-05-22 14:56:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4761907312999494248.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7099416572077284277.kers]
Culled 0 columns in 9 ms.
// Phase 1: matrix 12014 rows 6019 cols 30035 entries
Finished phase 1 with 6017 SingleSign rule and 0 generalized
[2026-05-22 14:56:12] [INFO ] Computed 2 invariants in 61 ms
Computed 2 P flows in 63 ms.
Exported basis to /tmp/petrispot-output-7099416572077284277.kers
Total runtime 70 ms.
[2026-05-22 14:56:13] [INFO ] Implicit Places using invariants in 1142 ms returned []
Implicit Place search using SMT only with invariants took 1178 ms to find 0 implicit places.
Running 6007 sub problems to find dead transitions.
[2026-05-22 14:56:13] [INFO ] Invariant cache hit.
Excessive predecessor constraint size, skipping predecessor.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 6012/18033 variables, and 0 constraints, problems are : Problem set: 0 solved, 6007 unsolved in 30166 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2 constraints, State Equation: 0/6019 constraints, PredecessorRefiner: 6007/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6007 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 6012/18033 variables, and 0 constraints, problems are : Problem set: 0 solved, 6007 unsolved in 30103 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2 constraints, State Equation: 0/6019 constraints, PredecessorRefiner: 6003/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 78036ms problems are : Problem set: 0 solved, 6007 unsolved
Search for dead transitions found 0 dead transitions in 78111ms
Starting structural reductions in LTL mode, iteration 1 : 6019/8017 places, 12014/16008 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 79771 ms. Remains : 6019/8017 places, 12014/16008 transitions.
Starting structural reductions in LTL mode, iteration 0 : 6019/6019 places, 12014/12014 transitions.
Applied a total of 0 rules in 46 ms. Remains 6019 /6019 variables (removed 0) and now considering 12014/12014 (removed 0) transitions.
[2026-05-22 14:57:31] [INFO ] Invariant cache hit.
[2026-05-22 14:57:32] [INFO ] Implicit Places using invariants in 644 ms returned []
Implicit Place search using SMT only with invariants took 650 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 705 ms. Remains : 6019/6019 places, 12014/12014 transitions.
Support contains 6016 out of 6019 places after structural reductions.
[2026-05-22 14:57:33] [INFO ] Flatten gal took : 488 ms
[2026-05-22 14:57:33] [INFO ] Flatten gal took : 326 ms
[2026-05-22 14:57:34] [INFO ] Input system was already deterministic with 12014 transitions.
RANDOM walk for 40000 steps (5032 resets) in 25519 ms. (1 steps per ms) remains 3/17 properties
BEST_FIRST walk for 40004 steps (4 resets) in 104 ms. (380 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (4 resets) in 1684 ms. (23 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (4 resets) in 152 ms. (261 steps per ms) remains 3/3 properties
[2026-05-22 14:57:41] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4005 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem AtomicPropp10 is UNSAT
At refinement iteration 1 (OVERLAPS) 7/4012 variables, 2/2 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4012 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 14023/18033 variables, and 4014 constraints, problems are : Problem set: 1 solved, 2 unsolved in 5008 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4012/6019 constraints, PredecessorRefiner: 3/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4003 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 9/4012 variables, 2/2 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4012 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 10011/14023 variables, 4012/4014 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/14023 variables, 1/4015 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14023 variables, 0/4015 constraints. Problems are: Problem set: 1 solved, 2 unsolved
SMT process timed out in 10137ms, After SMT, problems are : Problem set: 1 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 1 properties in 36 ms.
Support contains 2 out of 6019 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6019/6019 places, 12014/12014 transitions.
Graph (complete) has 12024 edges and 6019 vertex of which 7 are kept as prefixes of interest. Removing 6012 places using SCC suffix rule.13 ms
Discarding 6012 places :
Also discarding 12006 output transitions
Drop transitions (Output transitions of discarded places.) removed 12006 transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 7 transition count 6
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 2 Pre rules applied. Total rules applied 3 place count 7 transition count 4
Deduced a syphon composed of 2 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 8 place count 4 transition count 4
Applied a total of 8 rules in 57 ms. Remains 4 /6019 variables (removed 6015) and now considering 4/12014 (removed 12010) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 57 ms. Remains : 4/6019 places, 4/12014 transitions.
RANDOM walk for 40000 steps (13332 resets) in 221 ms. (180 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40000 steps (8000 resets) in 116 ms. (341 steps per ms) remains 1/1 properties
Probably explored full state space saw : 4 states, properties seen :0
Probabilistic random walk after 8 steps, saw 4 distinct states, run finished after 9 ms. (steps per millisecond=0 ) properties seen :0
Explored full state space saw : 4 states, properties seen :0
Exhaustive walk after 8 steps, saw 4 distinct states, run finished after 2 ms. (steps per millisecond=4 ) properties seen :0
Successfully simplified 2 atomic propositions for a total of 7 simplifications.
Computed a total of 6019 stabilizing places and 12014 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 6019 transition count 12014
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
FORMULA AirplaneLD-PT-2000-LTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F((p0||G(p1)))||X(G(p2)))))'
Support contains 4004 out of 6019 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 6019/6019 places, 12014/12014 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 6017 transition count 12014
Discarding 2000 places :
Symmetric choice reduction at 1 with 2000 rule applications. Total rules 2002 place count 4017 transition count 10014
Iterating global reduction 1 with 2000 rules applied. Total rules applied 4002 place count 4017 transition count 10014
Ensure Unique test removed 2000 transitions
Reduce isomorphic transitions removed 2000 transitions.
Iterating post reduction 1 with 2000 rules applied. Total rules applied 6002 place count 4017 transition count 8014
Applied a total of 6002 rules in 221 ms. Remains 4017 /6019 variables (removed 2002) and now considering 8014/12014 (removed 4000) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14561127879096248590.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9696408779227845919.kers'
[2026-05-22 14:57:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14561127879096248590.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9696408779227845919.kers]
Culled 0 columns in 8 ms.
// Phase 1: matrix 8014 rows 4017 cols 18032 entries
Finished phase 1 with 4011 SingleSign rule and 5 generalized
[2026-05-22 14:57:52] [INFO ] Computed 1 invariants in 213 ms
Computed 1 P flows in 217 ms.
Exported basis to /tmp/petrispot-output-9696408779227845919.kers
Total runtime 221 ms.
[2026-05-22 14:57:53] [INFO ] Implicit Places using invariants in 974 ms returned [4016]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 986 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 4016/6019 places, 8014/12014 transitions.
Applied a total of 0 rules in 33 ms. Remains 4016 /4016 variables (removed 0) and now considering 8014/8014 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1241 ms. Remains : 4016/6019 places, 8014/12014 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F((p0||G(p1)))||X(G(p2)))))'
Stuttering acceptance computed with spot in 459 ms :[(AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : AirplaneLD-PT-2000-LTLCardinality-01
Stuttering criterion allowed to conclude after 2332 steps with 1162 reset in 4170 ms.
FORMULA AirplaneLD-PT-2000-LTLCardinality-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-2000-LTLCardinality-01 finished in 6153 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(G((F(p0)&&(X(X(p1))||F(p2)))))))))'
Support contains 2006 out of 6019 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 6019/6019 places, 12014/12014 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 6017 transition count 12014
Discarding 3999 places :
Symmetric choice reduction at 1 with 3999 rule applications. Total rules 4001 place count 2018 transition count 8015
Iterating global reduction 1 with 3999 rules applied. Total rules applied 8000 place count 2018 transition count 8015
Ensure Unique test removed 3999 transitions
Reduce isomorphic transitions removed 3999 transitions.
Iterating post reduction 1 with 3999 rules applied. Total rules applied 11999 place count 2018 transition count 4016
Applied a total of 11999 rules in 195 ms. Remains 2018 /6019 variables (removed 4001) and now considering 4016/12014 (removed 7998) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1999289678167881745.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11005396813130794928.kers'
[2026-05-22 14:57:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1999289678167881745.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11005396813130794928.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 4016 rows 2018 cols 8036 entries
Finished phase 1 with 2012 SingleSign rule and 5 generalized
[2026-05-22 14:57:58] [INFO ] Computed 1 invariants in 75 ms
Computed 1 P flows in 76 ms.
Exported basis to /tmp/petrispot-output-11005396813130794928.kers
Total runtime 78 ms.
[2026-05-22 14:57:59] [INFO ] Implicit Places using invariants in 500 ms returned []
[2026-05-22 14:57:59] [INFO ] Invariant cache hit.
[2026-05-22 14:58:00] [INFO ] Implicit Places using invariants and state equation in 1405 ms returned []
Implicit Place search using SMT with State Equation took 1921 ms to find 0 implicit places.
Running 2008 sub problems to find dead transitions.
[2026-05-22 14:58:00] [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 2013/6034 variables, and 0 constraints, problems are : Problem set: 0 solved, 2008 unsolved in 30070 ms.
Refiners :[Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/2018 constraints, PredecessorRefiner: 2008/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2008 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2013/6034 variables, and 0 constraints, problems are : Problem set: 0 solved, 2008 unsolved in 30051 ms.
Refiners :[Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/2018 constraints, PredecessorRefiner: 2000/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 66410ms problems are : Problem set: 0 solved, 2008 unsolved
Search for dead transitions found 0 dead transitions in 66418ms
Starting structural reductions in LTL mode, iteration 1 : 2018/6019 places, 4016/12014 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 68544 ms. Remains : 2018/6019 places, 4016/12014 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(G((F(p0)&&(X(X(p1))||F(p2)))))))))'
Stuttering acceptance computed with spot in 432 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (NOT p2)]
Running random walk in product with property : AirplaneLD-PT-2000-LTLCardinality-03
Stuttering criterion allowed to conclude after 8 steps with 0 reset in 2 ms.
FORMULA AirplaneLD-PT-2000-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-2000-LTLCardinality-03 finished in 69097 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||G(p1))))'
Support contains 6002 out of 6019 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 6019/6019 places, 12014/12014 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 6017 transition count 12014
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 6016 transition count 12013
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 6016 transition count 12013
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 5 place count 6016 transition count 12012
Applied a total of 5 rules in 56 ms. Remains 6016 /6019 variables (removed 3) and now considering 12012/12014 (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-2013956246739307221.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4861448831956256234.kers'
[2026-05-22 14:59:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2013956246739307221.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4861448831956256234.kers]
Culled 0 columns in 5 ms.
// Phase 1: matrix 12012 rows 6016 cols 26028 entries
Finished phase 1 with 6010 SingleSign rule and 5 generalized
[2026-05-22 14:59:07] [INFO ] Computed 1 invariants in 299 ms
Computed 1 P flows in 299 ms.
Exported basis to /tmp/petrispot-output-4861448831956256234.kers
Total runtime 319 ms.
[2026-05-22 14:59:08] [INFO ] Implicit Places using invariants in 1131 ms returned [6015]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 1138 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 6015/6019 places, 12012/12014 transitions.
Applied a total of 0 rules in 41 ms. Remains 6015 /6015 variables (removed 0) and now considering 12012/12012 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1258 ms. Remains : 6015/6019 places, 12012/12014 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||G(p1))))'
Stuttering acceptance computed with spot in 210 ms :[true, (AND (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : AirplaneLD-PT-2000-LTLCardinality-05
Product exploration timeout after 7240 steps with 3620 reset in 10013 ms.
Product exploration timeout after 7370 steps with 3685 reset in 10009 ms.
Computed a total of 6015 stabilizing places and 12012 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 6015 transition count 12012
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 6 factoid took 36 ms. Proved property starting from automaton with 4 states, 6 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 4624 ms.
FORMULA AirplaneLD-PT-2000-LTLCardinality-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-PT-2000-LTLCardinality-05 finished in 26186 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Support contains 4001 out of 6019 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 6019/6019 places, 12014/12014 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 6017 transition count 12014
Discarding 2000 places :
Symmetric choice reduction at 1 with 2000 rule applications. Total rules 2002 place count 4017 transition count 10014
Iterating global reduction 1 with 2000 rules applied. Total rules applied 4002 place count 4017 transition count 10014
Ensure Unique test removed 2000 transitions
Reduce isomorphic transitions removed 2000 transitions.
Iterating post reduction 1 with 2000 rules applied. Total rules applied 6002 place count 4017 transition count 8014
Applied a total of 6002 rules in 202 ms. Remains 4017 /6019 variables (removed 2002) and now considering 8014/12014 (removed 4000) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16219643418371029331.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3621558779382287824.kers'
[2026-05-22 14:59:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16219643418371029331.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3621558779382287824.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 8014 rows 4017 cols 18032 entries
Finished phase 1 with 4011 SingleSign rule and 5 generalized
[2026-05-22 14:59:34] [INFO ] Computed 1 invariants in 194 ms
Computed 1 P flows in 194 ms.
Exported basis to /tmp/petrispot-output-3621558779382287824.kers
Total runtime 201 ms.
[2026-05-22 14:59:34] [INFO ] Implicit Places using invariants in 695 ms returned [4016]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 699 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 4016/6019 places, 8014/12014 transitions.
Applied a total of 0 rules in 14 ms. Remains 4016 /4016 variables (removed 0) and now considering 8014/8014 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 916 ms. Remains : 4016/6019 places, 8014/12014 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(p0))))'
Stuttering acceptance computed with spot in 144 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : AirplaneLD-PT-2000-LTLCardinality-07
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 4 ms.
FORMULA AirplaneLD-PT-2000-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-2000-LTLCardinality-07 finished in 1123 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((F((G(F(!p1))||(F(!p1)&&X(!p2))))&&p0)))'
Support contains 5 out of 6019 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 6019/6019 places, 12014/12014 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 6017 transition count 12014
Discarding 5998 places :
Symmetric choice reduction at 1 with 5998 rule applications. Total rules 6000 place count 19 transition count 6016
Iterating global reduction 1 with 5998 rules applied. Total rules applied 11998 place count 19 transition count 6016
Ensure Unique test removed 5998 transitions
Reduce isomorphic transitions removed 5998 transitions.
Iterating post reduction 1 with 5998 rules applied. Total rules applied 17996 place count 19 transition count 18
Applied a total of 17996 rules in 126 ms. Remains 19 /6019 variables (removed 6000) and now considering 18/12014 (removed 11996) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15696293639992134501.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12580720935469071465.kers'
[2026-05-22 14:59:34] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15696293639992134501.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12580720935469071465.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 19 cols 40 entries
Finished phase 1 with 13 SingleSign rule and 5 generalized
[2026-05-22 14:59:34] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12580720935469071465.kers
Total runtime 0 ms.
[2026-05-22 14:59:34] [INFO ] Implicit Places using invariants in 34 ms returned [18]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 34 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/6019 places, 18/12014 transitions.
Applied a total of 0 rules in 0 ms. Remains 18 /18 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 161 ms. Remains : 18/6019 places, 18/12014 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((F((G(F(p1))||(F(p1)&&X(p2))))&&p0)))'
Stuttering acceptance computed with spot in 118 ms :[(OR (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : AirplaneLD-PT-2000-LTLCardinality-12
Stuttering criterion allowed to conclude after 7 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-PT-2000-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-2000-LTLCardinality-12 finished in 314 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0) U p1))'
Support contains 3 out of 6019 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 6019/6019 places, 12014/12014 transitions.
Graph (complete) has 12024 edges and 6019 vertex of which 6017 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.33 ms
Discarding 2 places :
Also discarding 0 output transitions
Discarding 5997 places :
Symmetric choice reduction at 0 with 5997 rule applications. Total rules 5998 place count 20 transition count 6017
Iterating global reduction 0 with 5997 rules applied. Total rules applied 11995 place count 20 transition count 6017
Ensure Unique test removed 5997 transitions
Reduce isomorphic transitions removed 5997 transitions.
Iterating post reduction 0 with 5997 rules applied. Total rules applied 17992 place count 20 transition count 20
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 17992 place count 20 transition count 19
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 17994 place count 19 transition count 19
Applied a total of 17994 rules in 204 ms. Remains 19 /6019 variables (removed 6000) and now considering 19/12014 (removed 11995) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2841344038704667044.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14823558727430667534.kers'
[2026-05-22 14:59:35] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2841344038704667044.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14823558727430667534.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 19 rows 19 cols 43 entries
Finished phase 1 with 13 SingleSign rule and 5 generalized
[2026-05-22 14:59:35] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-14823558727430667534.kers
Total runtime 0 ms.
[2026-05-22 14:59:35] [INFO ] Implicit Places using invariants in 41 ms returned []
[2026-05-22 14:59:35] [INFO ] Invariant cache hit.
[2026-05-22 14:59:35] [INFO ] Implicit Places using invariants and state equation in 52 ms returned [4]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 94 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 18/6019 places, 19/12014 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 19/19 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 299 ms. Remains : 18/6019 places, 19/12014 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0) U p1))'
Stuttering acceptance computed with spot in 80 ms :[(NOT p1), (NOT p0)]
Running random walk in product with property : AirplaneLD-PT-2000-LTLCardinality-13
Product exploration explored 100000 steps with 19833 reset in 112 ms.
Product exploration explored 100000 steps with 19824 reset in 115 ms.
Computed a total of 18 stabilizing places and 19 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 18 transition count 19
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 4 factoid took 177 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
RANDOM walk for 18 steps (0 resets) in 5 ms. (3 steps per ms) remains 0/3 properties
Knowledge based reduction with 4 factoid took 342 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 119 ms :[(NOT p1), (NOT p0)]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4577190482057595745.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11943015576354155214.kers'
[2026-05-22 14:59:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4577190482057595745.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11943015576354155214.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 19 rows 18 cols 42 entries
Finished phase 1 with 13 SingleSign rule and 4 generalized
[2026-05-22 14:59:36] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11943015576354155214.kers
Total runtime 0 ms.
[2026-05-22 14:59:36] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-22 14:59:36] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2026-05-22 14:59:36] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 14:59:36] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-22 14:59:36] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2026-05-22 14:59:36] [INFO ] Computed and/alt/rep : 10/18/10 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-22 14:59:36] [INFO ] Added : 0 causal constraints over 0 iterations in 11 ms. Result :sat
Could not prove EG (NOT p1)
Knowledge-based reduction took 878 ms.
Stuttering acceptance computed with spot in 89 ms :[(NOT p1), (NOT p0)]
Support contains 3 out of 18 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 18/18 places, 19/19 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 19/19 (removed 0) transitions.
[2026-05-22 14:59:36] [INFO ] Invariant cache hit.
[2026-05-22 14:59:36] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-22 14:59:36] [INFO ] Invariant cache hit.
[2026-05-22 14:59:36] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 67 ms to find 0 implicit places.
[2026-05-22 14:59:36] [INFO ] Redundant transitions in 0 ms returned []
Running 10 sub problems to find dead transitions.
[2026-05-22 14:59:36] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 1/15 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 19/34 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/34 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 3/37 variables, 3/19 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/37 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 0/37 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 37/37 variables, and 19 constraints, problems are : Problem set: 0 solved, 10 unsolved in 379 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 18/18 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 1/15 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 19/34 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/34 variables, 10/26 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/34 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (OVERLAPS) 3/37 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/37 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (OVERLAPS) 0/37 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 37/37 variables, and 29 constraints, problems are : Problem set: 0 solved, 10 unsolved in 298 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 18/18 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 682ms problems are : Problem set: 0 solved, 10 unsolved
Search for dead transitions found 0 dead transitions in 682ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 757 ms. Remains : 18/18 places, 19/19 transitions.
Computed a total of 18 stabilizing places and 19 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 18 transition count 19
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 4 factoid took 171 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
RANDOM walk for 20 steps (0 resets) in 4 ms. (4 steps per ms) remains 0/3 properties
Knowledge based reduction with 4 factoid took 243 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 84 ms :[(NOT p1), (NOT p0)]
[2026-05-22 14:59:37] [INFO ] Invariant cache hit.
[2026-05-22 14:59:37] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-22 14:59:37] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-22 14:59:37] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 14:59:37] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 0 ms returned sat
[2026-05-22 14:59:38] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2026-05-22 14:59:38] [INFO ] Computed and/alt/rep : 10/18/10 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-22 14:59:38] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Could not prove EG (NOT p1)
Knowledge-based reduction took 639 ms.
Stuttering acceptance computed with spot in 77 ms :[(NOT p1), (NOT p0)]
Stuttering acceptance computed with spot in 55 ms :[(NOT p1), (NOT p0)]
Product exploration explored 100000 steps with 19736 reset in 65 ms.
Product exploration explored 100000 steps with 19761 reset in 74 ms.
Built C files in :
/tmp/ltsmin12789375251712653724
[2026-05-22 14:59:38] [INFO ] Computing symmetric may disable matrix : 19 transitions.
[2026-05-22 14:59:38] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-22 14:59:38] [INFO ] Computing symmetric may enable matrix : 19 transitions.
[2026-05-22 14:59:38] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-22 14:59:38] [INFO ] Computing Do-Not-Accords matrix : 19 transitions.
[2026-05-22 14:59:38] [INFO ] Computation of Completed DNA matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-22 14:59:38] [INFO ] Built C files in 29ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12789375251712653724
Running compilation step : cd /tmp/ltsmin12789375251712653724;'/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 332 ms.
Running link step : cd /tmp/ltsmin12789375251712653724;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 58 ms.
Running LTSmin : cd /tmp/ltsmin12789375251712653724;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased6821979884590417961.hoa' '--buchi-type=spotba'
LTSmin run took 59 ms.
FORMULA AirplaneLD-PT-2000-LTLCardinality-13 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property AirplaneLD-PT-2000-LTLCardinality-13 finished in 3840 ms.
All properties solved by simple procedures.
Total runtime 208588 ms.

BK_STOP 1779461979247

--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -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 LTLCardinality -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-2000"
export BK_EXAMINATION="LTLCardinality"
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-2000, examination is LTLCardinality"
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-oct2-177944366000131"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-PT-2000.tgz
mv AirplaneLD-PT-2000 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;