Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r002-tall-174853728600115.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is AirplaneLD-PT-0500, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-tall-174853728600115
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 13M
-rw-r--r-- 1 mcc users 209K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 777K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 212K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 1.3M May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 219K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 573K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 78K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 356K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 702K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 2.4M May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 516K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 3.0M May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 42K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 85K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 2.2M May 29 14:32 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-0500-LTLCardinality-00
FORMULA_NAME AirplaneLD-PT-0500-LTLCardinality-01
FORMULA_NAME AirplaneLD-PT-0500-LTLCardinality-02
FORMULA_NAME AirplaneLD-PT-0500-LTLCardinality-03
FORMULA_NAME AirplaneLD-PT-0500-LTLCardinality-04
FORMULA_NAME AirplaneLD-PT-0500-LTLCardinality-05
FORMULA_NAME AirplaneLD-PT-0500-LTLCardinality-06
FORMULA_NAME AirplaneLD-PT-0500-LTLCardinality-07
FORMULA_NAME AirplaneLD-PT-0500-LTLCardinality-08
FORMULA_NAME AirplaneLD-PT-0500-LTLCardinality-09
FORMULA_NAME AirplaneLD-PT-0500-LTLCardinality-10
FORMULA_NAME AirplaneLD-PT-0500-LTLCardinality-11
FORMULA_NAME AirplaneLD-PT-0500-LTLCardinality-12
FORMULA_NAME AirplaneLD-PT-0500-LTLCardinality-13
FORMULA_NAME AirplaneLD-PT-0500-LTLCardinality-14
FORMULA_NAME AirplaneLD-PT-0500-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1748539210761

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-0500
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202505121319
[2025-05-29 17:20:11] [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]
[2025-05-29 17:20:11] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-29 17:20:12] [INFO ] Load time of PNML (sax parser for PT used): 264 ms
[2025-05-29 17:20:12] [INFO ] Transformed 3519 places.
[2025-05-29 17:20:12] [INFO ] Transformed 4008 transitions.
[2025-05-29 17:20:12] [INFO ] Found NUPN structural information;
[2025-05-29 17:20:12] [INFO ] Parsed PT model containing 3519 places and 4008 transitions and 15278 arcs in 390 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 52 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
Reduce places removed 1502 places and 0 transitions.
Initial state reduction rules removed 1 formulas.
FORMULA AirplaneLD-PT-0500-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-0500-LTLCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-0500-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-0500-LTLCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-0500-LTLCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 2013 out of 2017 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2017/2017 places, 4008/4008 transitions.
Applied a total of 0 rules in 28 ms. Remains 2017 /2017 variables (removed 0) and now considering 4008/4008 (removed 0) transitions.
// Phase 1: matrix 4008 rows 2017 cols
[2025-05-29 17:20:13] [INFO ] Computed 3 invariants in 428 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:20:13] [INFO ] Implicit Places using invariants in 1008 ms returned []
[2025-05-29 17:20:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:20:15] [INFO ] Implicit Places using invariants and state equation in 1702 ms returned []
Implicit Place search using SMT with State Equation took 2749 ms to find 0 implicit places.
Running 2004 sub problems to find dead transitions.
[2025-05-29 17:20:15] [INFO ] Invariant cache hit.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2009 variables, 2009/2009 constraints. Problems are: Problem set: 0 solved, 2004 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2009/6025 variables, and 2009 constraints, problems are : Problem set: 0 solved, 2004 unsolved in 30058 ms.
Refiners :[Domain max(s): 2009/2017 constraints, Positive P Invariants (semi-flows): 0/2 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/2017 constraints, PredecessorRefiner: 2004/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2004 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2009 variables, 2009/2009 constraints. Problems are: Problem set: 0 solved, 2004 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2009/6025 variables, and 2009 constraints, problems are : Problem set: 0 solved, 2004 unsolved in 30042 ms.
Refiners :[Domain max(s): 2009/2017 constraints, Positive P Invariants (semi-flows): 0/2 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/2017 constraints, PredecessorRefiner: 2000/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64832ms problems are : Problem set: 0 solved, 2004 unsolved
Search for dead transitions found 0 dead transitions in 64860ms
Finished structural reductions in LTL mode , in 1 iterations and 67674 ms. Remains : 2017/2017 places, 4008/4008 transitions.
Support contains 2013 out of 2017 places after structural reductions.
[2025-05-29 17:21:20] [INFO ] Flatten gal took : 230 ms
[2025-05-29 17:21:20] [INFO ] Flatten gal took : 154 ms
[2025-05-29 17:21:21] [INFO ] Input system was already deterministic with 4008 transitions.
RANDOM walk for 40000 steps (5037 resets) in 5738 ms. (6 steps per ms) remains 2/19 properties
BEST_FIRST walk for 40004 steps (8 resets) in 319 ms. (125 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 90 ms. (439 steps per ms) remains 2/2 properties
[2025-05-29 17:21:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/502 variables, 502/502 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/502 variables, 0/502 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 9/511 variables, 2/504 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/511 variables, 9/513 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem AtomicPropp11 is UNSAT
At refinement iteration 4 (INCLUDED_ONLY) 0/511 variables, 1/514 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/511 variables, 0/514 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2506/3017 variables, 511/1025 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3017 variables, 0/1025 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Problem AtomicPropp2 is UNSAT
After SMT solving in domain Real declared 6022/6025 variables, and 2528 constraints, problems are : Problem set: 2 solved, 0 unsolved in 1304 ms.
Refiners :[Domain max(s): 511/2017 constraints, Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 2014/2017 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1331ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA AirplaneLD-PT-0500-LTLCardinality-04 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 2 atomic propositions for a total of 10 simplifications.
FORMULA AirplaneLD-PT-0500-LTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-0500-LTLCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 2017 stabilizing places and 4008 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 2017 transition count 4008
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_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X(F(p0))))))'
Support contains 1 out of 2017 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2017/2017 places, 4008/4008 transitions.
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 2014 transition count 4008
Discarding 1995 places :
Symmetric choice reduction at 1 with 1995 rule applications. Total rules 1998 place count 19 transition count 2013
Iterating global reduction 1 with 1995 rules applied. Total rules applied 3993 place count 19 transition count 2013
Ensure Unique test removed 1995 transitions
Reduce isomorphic transitions removed 1995 transitions.
Iterating post reduction 1 with 1995 rules applied. Total rules applied 5988 place count 19 transition count 18
Applied a total of 5988 rules in 52 ms. Remains 19 /2017 variables (removed 1998) and now considering 18/4008 (removed 3990) transitions.
// Phase 1: matrix 18 rows 19 cols
[2025-05-29 17:21:24] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:21:24] [INFO ] Implicit Places using invariants in 30 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 38 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/2017 places, 18/4008 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 90 ms. Remains : 18/2017 places, 18/4008 transitions.
Stuttering acceptance computed with spot in 252 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : AirplaneLD-PT-0500-LTLCardinality-00
Stuttering criterion allowed to conclude after 6 steps with 0 reset in 1 ms.
FORMULA AirplaneLD-PT-0500-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0500-LTLCardinality-00 finished in 400 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 1002 out of 2017 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2017/2017 places, 4008/4008 transitions.
Graph (complete) has 5273 edges and 2017 vertex of which 2016 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.20 ms
Discarding 1 places :
Also discarding 0 output transitions
Discarding 996 places :
Symmetric choice reduction at 0 with 996 rule applications. Total rules 997 place count 1020 transition count 3012
Iterating global reduction 0 with 996 rules applied. Total rules applied 1993 place count 1020 transition count 3012
Ensure Unique test removed 996 transitions
Reduce isomorphic transitions removed 996 transitions.
Iterating post reduction 0 with 996 rules applied. Total rules applied 2989 place count 1020 transition count 2016
Applied a total of 2989 rules in 94 ms. Remains 1020 /2017 variables (removed 997) and now considering 2016/4008 (removed 1992) transitions.
// Phase 1: matrix 2016 rows 1020 cols
[2025-05-29 17:21:25] [INFO ] Computed 2 invariants in 87 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:21:25] [INFO ] Implicit Places using invariants in 234 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 237 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 1019/2017 places, 2016/4008 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 1 place count 1019 transition count 2015
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 1018 transition count 2015
Applied a total of 2 rules in 50 ms. Remains 1018 /1019 variables (removed 1) and now considering 2015/2016 (removed 1) transitions.
// Phase 1: matrix 2015 rows 1018 cols
[2025-05-29 17:21:25] [INFO ] Computed 1 invariants in 85 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:21:25] [INFO ] Implicit Places using invariants in 228 ms returned []
[2025-05-29 17:21:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:21:26] [INFO ] Implicit Places using invariants and state equation in 1276 ms returned []
Implicit Place search using SMT with State Equation took 1506 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 1018/2017 places, 2015/4008 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1888 ms. Remains : 1018/2017 places, 2015/4008 transitions.
Stuttering acceptance computed with spot in 57 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : AirplaneLD-PT-0500-LTLCardinality-01
Stuttering criterion allowed to conclude after 6 steps with 0 reset in 3 ms.
FORMULA AirplaneLD-PT-0500-LTLCardinality-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0500-LTLCardinality-01 finished in 1985 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X((G(p0)&&X(X(X(p1))))))))'
Support contains 5 out of 2017 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2017/2017 places, 4008/4008 transitions.
Discarding 1994 places :
Symmetric choice reduction at 0 with 1994 rule applications. Total rules 1994 place count 23 transition count 2014
Iterating global reduction 0 with 1994 rules applied. Total rules applied 3988 place count 23 transition count 2014
Ensure Unique test removed 1994 transitions
Reduce isomorphic transitions removed 1994 transitions.
Iterating post reduction 0 with 1994 rules applied. Total rules applied 5982 place count 23 transition count 20
Applied a total of 5982 rules in 31 ms. Remains 23 /2017 variables (removed 1994) and now considering 20/4008 (removed 3988) transitions.
// Phase 1: matrix 20 rows 23 cols
[2025-05-29 17:21:27] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:21:27] [INFO ] Implicit Places using invariants in 23 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 24 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 22/2017 places, 20/4008 transitions.
Applied a total of 0 rules in 2 ms. Remains 22 /22 variables (removed 0) and now considering 20/20 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 57 ms. Remains : 22/2017 places, 20/4008 transitions.
Stuttering acceptance computed with spot in 295 ms :[true, (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p0)]
Running random walk in product with property : AirplaneLD-PT-0500-LTLCardinality-03
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-PT-0500-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0500-LTLCardinality-03 finished in 368 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(p0)))'
Support contains 1001 out of 2017 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2017/2017 places, 4008/4008 transitions.
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 2014 transition count 4008
Discarding 998 places :
Symmetric choice reduction at 1 with 998 rule applications. Total rules 1001 place count 1016 transition count 3010
Iterating global reduction 1 with 998 rules applied. Total rules applied 1999 place count 1016 transition count 3010
Ensure Unique test removed 998 transitions
Reduce isomorphic transitions removed 998 transitions.
Iterating post reduction 1 with 998 rules applied. Total rules applied 2997 place count 1016 transition count 2012
Applied a total of 2997 rules in 59 ms. Remains 1016 /2017 variables (removed 1001) and now considering 2012/4008 (removed 1996) transitions.
// Phase 1: matrix 2012 rows 1016 cols
[2025-05-29 17:21:27] [INFO ] Computed 1 invariants in 106 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:21:27] [INFO ] Implicit Places using invariants in 232 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 234 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 1015/2017 places, 2012/4008 transitions.
Applied a total of 0 rules in 8 ms. Remains 1015 /1015 variables (removed 0) and now considering 2012/2012 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 301 ms. Remains : 1015/2017 places, 2012/4008 transitions.
Stuttering acceptance computed with spot in 117 ms :[(NOT p0), (NOT p0), true, (NOT p0)]
Running random walk in product with property : AirplaneLD-PT-0500-LTLCardinality-07
Entered a terminal (fully accepting) state of product in 1109 steps with 369 reset in 100 ms.
FORMULA AirplaneLD-PT-0500-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0500-LTLCardinality-07 finished in 539 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 2017 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2017/2017 places, 4008/4008 transitions.
Graph (complete) has 5273 edges and 2017 vertex of which 5 are kept as prefixes of interest. Removing 2012 places using SCC suffix rule.6 ms
Discarding 2012 places :
Also discarding 3504 output transitions
Drop transitions (Output transitions of discarded places.) removed 3504 transitions
Ensure Unique test removed 499 transitions
Reduce isomorphic transitions removed 499 transitions.
Iterating post reduction 0 with 499 rules applied. Total rules applied 500 place count 5 transition count 5
Applied a total of 500 rules in 17 ms. Remains 5 /2017 variables (removed 2012) and now considering 5/4008 (removed 4003) transitions.
// Phase 1: matrix 5 rows 5 cols
[2025-05-29 17:21:28] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:21:28] [INFO ] Implicit Places using invariants in 18 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 19 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 4/2017 places, 5/4008 transitions.
Graph (complete) has 2 edges and 4 vertex of which 3 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 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 1 ms. Remains 3 /4 variables (removed 1) and now considering 4/5 (removed 1) transitions.
// Phase 1: matrix 4 rows 3 cols
[2025-05-29 17:21:28] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:21:28] [INFO ] Implicit Places using invariants in 18 ms returned []
[2025-05-29 17:21:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:21:28] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 38 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 3/2017 places, 4/4008 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 76 ms. Remains : 3/2017 places, 4/4008 transitions.
Stuttering acceptance computed with spot in 48 ms :[(NOT p0)]
Running random walk in product with property : AirplaneLD-PT-0500-LTLCardinality-10
Product exploration explored 100000 steps with 28630 reset in 113 ms.
Product exploration explored 100000 steps with 28519 reset in 89 ms.
Computed a total of 3 stabilizing places and 4 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 3 transition count 4
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)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [p0, (X p0), (F (G p0))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 13 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA AirplaneLD-PT-0500-LTLCardinality-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-PT-0500-LTLCardinality-10 finished in 398 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 2 out of 2017 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2017/2017 places, 4008/4008 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 2015 transition count 4008
Discarding 1994 places :
Symmetric choice reduction at 1 with 1994 rule applications. Total rules 1996 place count 21 transition count 2014
Iterating global reduction 1 with 1994 rules applied. Total rules applied 3990 place count 21 transition count 2014
Ensure Unique test removed 1994 transitions
Reduce isomorphic transitions removed 1994 transitions.
Iterating post reduction 1 with 1994 rules applied. Total rules applied 5984 place count 21 transition count 20
Applied a total of 5984 rules in 24 ms. Remains 21 /2017 variables (removed 1996) and now considering 20/4008 (removed 3988) transitions.
// Phase 1: matrix 20 rows 21 cols
[2025-05-29 17:21:28] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:21:28] [INFO ] Implicit Places using invariants in 23 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 25 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/2017 places, 20/4008 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 20/20 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 49 ms. Remains : 20/2017 places, 20/4008 transitions.
Stuttering acceptance computed with spot in 113 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : AirplaneLD-PT-0500-LTLCardinality-12
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-PT-0500-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0500-LTLCardinality-12 finished in 175 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 1 out of 2017 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2017/2017 places, 4008/4008 transitions.
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 2014 transition count 4008
Discarding 1995 places :
Symmetric choice reduction at 1 with 1995 rule applications. Total rules 1998 place count 19 transition count 2013
Iterating global reduction 1 with 1995 rules applied. Total rules applied 3993 place count 19 transition count 2013
Ensure Unique test removed 1995 transitions
Reduce isomorphic transitions removed 1995 transitions.
Iterating post reduction 1 with 1995 rules applied. Total rules applied 5988 place count 19 transition count 18
Applied a total of 5988 rules in 22 ms. Remains 19 /2017 variables (removed 1998) and now considering 18/4008 (removed 3990) transitions.
// Phase 1: matrix 18 rows 19 cols
[2025-05-29 17:21:28] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:21:28] [INFO ] Implicit Places using invariants in 21 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 23 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/2017 places, 18/4008 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 45 ms. Remains : 18/2017 places, 18/4008 transitions.
Stuttering acceptance computed with spot in 78 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : AirplaneLD-PT-0500-LTLCardinality-13
Product exploration explored 100000 steps with 24872 reset in 81 ms.
Product exploration explored 100000 steps with 24896 reset in 94 ms.
Computed a total of 18 stabilizing places and 18 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 18 transition count 18
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)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(NOT p0), (F (G p0))]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 2 factoid took 10 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA AirplaneLD-PT-0500-LTLCardinality-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-PT-0500-LTLCardinality-13 finished in 342 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X(p0)&&(!p1 U (G(!p1)||(!p1&&(p2||X(p3))))))))'
Support contains 5 out of 2017 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2017/2017 places, 4008/4008 transitions.
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 2014 transition count 4008
Discarding 1995 places :
Symmetric choice reduction at 1 with 1995 rule applications. Total rules 1998 place count 19 transition count 2013
Iterating global reduction 1 with 1995 rules applied. Total rules applied 3993 place count 19 transition count 2013
Ensure Unique test removed 1995 transitions
Reduce isomorphic transitions removed 1995 transitions.
Iterating post reduction 1 with 1995 rules applied. Total rules applied 5988 place count 19 transition count 18
Applied a total of 5988 rules in 43 ms. Remains 19 /2017 variables (removed 1998) and now considering 18/4008 (removed 3990) transitions.
[2025-05-29 17:21:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:21:28] [INFO ] Implicit Places using invariants in 54 ms returned []
[2025-05-29 17:21:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 17:21:29] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 97 ms to find 0 implicit places.
Running 9 sub problems to find dead transitions.
[2025-05-29 17:21:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 1/15 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 18/33 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 4/37 variables, 4/20 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/37 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 0/37 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 37/37 variables, and 20 constraints, problems are : Problem set: 0 solved, 9 unsolved in 171 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 19/19 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 1/15 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 18/33 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 9/25 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (OVERLAPS) 4/37 variables, 4/29 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/37 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (OVERLAPS) 0/37 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 37/37 variables, and 29 constraints, problems are : Problem set: 0 solved, 9 unsolved in 152 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 19/19 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 328ms problems are : Problem set: 0 solved, 9 unsolved
Search for dead transitions found 0 dead transitions in 328ms
Starting structural reductions in LTL mode, iteration 1 : 19/2017 places, 18/4008 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 468 ms. Remains : 19/2017 places, 18/4008 transitions.
Stuttering acceptance computed with spot in 130 ms :[(OR (NOT p0) p1), (NOT p0), (AND p1 (NOT p3))]
Running random walk in product with property : AirplaneLD-PT-0500-LTLCardinality-14
Stuttering criterion allowed to conclude after 6 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-PT-0500-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0500-LTLCardinality-14 finished in 615 ms.
All properties solved by simple procedures.
Total runtime 77539 ms.

BK_STOP 1748539289869

--------------------
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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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-0500"
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 2-5832"
echo " Executing tool itstools"
echo " Input is AirplaneLD-PT-0500, 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-tall-174853728600115"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-PT-0500.tgz
mv AirplaneLD-PT-0500 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 ;