Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r044-tall-174854028400412.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 CO4-PT-05, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r044-tall-174854028400412
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 484K
-rw-r--r-- 1 mcc users 7.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 15K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 137K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.6K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 42K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 54K 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 CO4-PT-05-LTLFireability-00
FORMULA_NAME CO4-PT-05-LTLFireability-01
FORMULA_NAME CO4-PT-05-LTLFireability-02
FORMULA_NAME CO4-PT-05-LTLFireability-03
FORMULA_NAME CO4-PT-05-LTLFireability-04
FORMULA_NAME CO4-PT-05-LTLFireability-05
FORMULA_NAME CO4-PT-05-LTLFireability-06
FORMULA_NAME CO4-PT-05-LTLFireability-07
FORMULA_NAME CO4-PT-05-LTLFireability-08
FORMULA_NAME CO4-PT-05-LTLFireability-09
FORMULA_NAME CO4-PT-05-LTLFireability-10
FORMULA_NAME CO4-PT-05-LTLFireability-11
FORMULA_NAME CO4-PT-05-LTLFireability-12
FORMULA_NAME CO4-PT-05-LTLFireability-13
FORMULA_NAME CO4-PT-05-LTLFireability-14
FORMULA_NAME CO4-PT-05-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748605284749

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CO4-PT-05
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-05-30 11:41:25] [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]
[2025-05-30 11:41:26] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 11:41:26] [INFO ] Load time of PNML (sax parser for PT used): 63 ms
[2025-05-30 11:41:26] [INFO ] Transformed 101 places.
[2025-05-30 11:41:26] [INFO ] Transformed 253 transitions.
[2025-05-30 11:41:26] [INFO ] Found NUPN structural information;
[2025-05-30 11:41:26] [INFO ] Parsed PT model containing 101 places and 253 transitions and 723 arcs in 155 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 8 formulas.
Ensure Unique test removed 38 transitions
Reduce redundant transitions removed 38 transitions.
FORMULA CO4-PT-05-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-05-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-05-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-05-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-05-LTLFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-05-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-05-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-05-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 20 out of 101 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 101/101 places, 215/215 transitions.
Discarding 36 places :
Symmetric choice reduction at 0 with 36 rule applications. Total rules 36 place count 65 transition count 152
Iterating global reduction 0 with 36 rules applied. Total rules applied 72 place count 65 transition count 152
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 0 with 18 rules applied. Total rules applied 90 place count 65 transition count 134
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 92 place count 63 transition count 130
Iterating global reduction 1 with 2 rules applied. Total rules applied 94 place count 63 transition count 130
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 96 place count 61 transition count 126
Iterating global reduction 1 with 2 rules applied. Total rules applied 98 place count 61 transition count 126
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 99 place count 61 transition count 125
Applied a total of 99 rules in 32 ms. Remains 61 /101 variables (removed 40) and now considering 125/215 (removed 90) transitions.
[2025-05-30 11:41:26] [INFO ] Flow matrix only has 101 transitions (discarded 24 similar events)
// Phase 1: matrix 101 rows 61 cols
[2025-05-30 11:41:26] [INFO ] Computed 5 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:26] [INFO ] Implicit Places using invariants in 149 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 191 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 60/101 places, 125/215 transitions.
Applied a total of 0 rules in 1 ms. Remains 60 /60 variables (removed 0) and now considering 125/125 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 240 ms. Remains : 60/101 places, 125/215 transitions.
Support contains 20 out of 60 places after structural reductions.
[2025-05-30 11:41:26] [INFO ] Flatten gal took : 36 ms
[2025-05-30 11:41:26] [INFO ] Flatten gal took : 12 ms
[2025-05-30 11:41:26] [INFO ] Input system was already deterministic with 125 transitions.
RANDOM walk for 40000 steps (744 resets) in 1372 ms. (29 steps per ms) remains 1/19 properties
BEST_FIRST walk for 40004 steps (8 resets) in 266 ms. (149 steps per ms) remains 1/1 properties
[2025-05-30 11:41:27] [INFO ] Flow matrix only has 101 transitions (discarded 24 similar events)
// Phase 1: matrix 101 rows 60 cols
[2025-05-30 11:41:27] [INFO ] Computed 4 invariants in 2 ms
[2025-05-30 11:41:27] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 40/43 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/43 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 95/138 variables, 39/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/138 variables, 2/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/138 variables, 5/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/138 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 3/141 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/141 variables, 3/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/141 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp11 is UNSAT
After SMT solving in domain Real declared 160/161 variables, and 71 constraints, problems are : Problem set: 1 solved, 0 unsolved in 122 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 60/60 constraints, ReadFeed: 7/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 142ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 1 atomic propositions for a total of 8 simplifications.
Computed a total of 9 stabilizing places and 9 stable transitions
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((X(X(X(F(p0))))||(p0&&F(p1)))))'
Support contains 2 out of 60 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 60/60 places, 125/125 transitions.
Reduce places removed 1 places and 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 1 place count 59 transition count 123
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 58 transition count 123
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 10 place count 50 transition count 108
Iterating global reduction 2 with 8 rules applied. Total rules applied 18 place count 50 transition count 108
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 22 place count 50 transition count 104
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 25 place count 47 transition count 98
Iterating global reduction 3 with 3 rules applied. Total rules applied 28 place count 47 transition count 98
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 36 place count 43 transition count 94
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 37 place count 43 transition count 93
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 40 place count 40 transition count 87
Iterating global reduction 4 with 3 rules applied. Total rules applied 43 place count 40 transition count 87
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 46 place count 37 transition count 81
Iterating global reduction 4 with 3 rules applied. Total rules applied 49 place count 37 transition count 81
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 52 place count 37 transition count 78
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 54 place count 36 transition count 87
Drop transitions (Redundant composition of simpler transitions.) removed 18 transitions
Redundant transition composition rules discarded 18 transitions
Iterating global reduction 5 with 18 rules applied. Total rules applied 72 place count 36 transition count 69
Applied a total of 72 rules in 24 ms. Remains 36 /60 variables (removed 24) and now considering 69/125 (removed 56) transitions.
[2025-05-30 11:41:27] [INFO ] Flow matrix only has 58 transitions (discarded 11 similar events)
// Phase 1: matrix 58 rows 36 cols
[2025-05-30 11:41:27] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:27] [INFO ] Implicit Places using invariants in 47 ms returned []
[2025-05-30 11:41:27] [INFO ] Flow matrix only has 58 transitions (discarded 11 similar events)
[2025-05-30 11:41:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:27] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-05-30 11:41:27] [INFO ] Implicit Places using invariants and state equation in 51 ms returned [17, 27]
[2025-05-30 11:41:27] [INFO ] Actually due to overlaps returned [17]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 100 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 35/60 places, 69/125 transitions.
Graph (trivial) has 22 edges and 35 vertex of which 4 / 35 are part of one of the 1 SCC in 1 ms
Free SCC test removed 3 places
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 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 32 transition count 62
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 31 transition count 62
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 4 place count 30 transition count 59
Iterating global reduction 2 with 1 rules applied. Total rules applied 5 place count 30 transition count 59
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 7 place count 30 transition count 57
Applied a total of 7 rules in 9 ms. Remains 30 /35 variables (removed 5) and now considering 57/69 (removed 12) transitions.
[2025-05-30 11:41:27] [INFO ] Flow matrix only has 48 transitions (discarded 9 similar events)
// Phase 1: matrix 48 rows 30 cols
[2025-05-30 11:41:27] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:27] [INFO ] Implicit Places using invariants in 36 ms returned []
[2025-05-30 11:41:27] [INFO ] Flow matrix only has 48 transitions (discarded 9 similar events)
[2025-05-30 11:41:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:27] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-05-30 11:41:27] [INFO ] Implicit Places using invariants and state equation in 53 ms returned [21]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 92 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 29/60 places, 57/125 transitions.
Graph (trivial) has 16 edges and 29 vertex of which 4 / 29 are part of one of the 1 SCC in 0 ms
Free SCC test removed 3 places
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 25 transition count 50
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 25 transition count 47
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 24 transition count 46
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 9 place count 24 transition count 45
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 11 place count 23 transition count 44
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 23 transition count 43
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 12 place count 23 transition count 42
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 14 place count 22 transition count 42
Applied a total of 14 rules in 9 ms. Remains 22 /29 variables (removed 7) and now considering 42/57 (removed 15) transitions.
[2025-05-30 11:41:27] [INFO ] Flow matrix only has 34 transitions (discarded 8 similar events)
// Phase 1: matrix 34 rows 22 cols
[2025-05-30 11:41:27] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:28] [INFO ] Implicit Places using invariants in 22 ms returned [21]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 23 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 3 : 21/60 places, 42/125 transitions.
Applied a total of 0 rules in 2 ms. Remains 21 /21 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 4 iterations and 259 ms. Remains : 21/60 places, 42/125 transitions.
Stuttering acceptance computed with spot in 421 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p0), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : CO4-PT-05-LTLFireability-00
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA CO4-PT-05-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CO4-PT-05-LTLFireability-00 finished in 755 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(p0)||G(p1)))'
Support contains 2 out of 60 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 60/60 places, 125/125 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 51 transition count 110
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 51 transition count 110
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 22 place count 51 transition count 106
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 25 place count 48 transition count 100
Iterating global reduction 1 with 3 rules applied. Total rules applied 28 place count 48 transition count 100
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 29 place count 47 transition count 98
Iterating global reduction 1 with 1 rules applied. Total rules applied 30 place count 47 transition count 98
Applied a total of 30 rules in 6 ms. Remains 47 /60 variables (removed 13) and now considering 98/125 (removed 27) transitions.
[2025-05-30 11:41:28] [INFO ] Flow matrix only has 84 transitions (discarded 14 similar events)
// Phase 1: matrix 84 rows 47 cols
[2025-05-30 11:41:28] [INFO ] Computed 4 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:28] [INFO ] Implicit Places using invariants in 41 ms returned []
[2025-05-30 11:41:28] [INFO ] Flow matrix only has 84 transitions (discarded 14 similar events)
[2025-05-30 11:41:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:28] [INFO ] State equation strengthened by 8 read => feed constraints.
[2025-05-30 11:41:28] [INFO ] Implicit Places using invariants and state equation in 62 ms returned [23, 36]
[2025-05-30 11:41:28] [INFO ] Actually due to overlaps returned [23]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 107 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 46/60 places, 98/125 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 45 transition count 97
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 45 transition count 97
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 44 transition count 95
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 44 transition count 95
Applied a total of 4 rules in 2 ms. Remains 44 /46 variables (removed 2) and now considering 95/98 (removed 3) transitions.
[2025-05-30 11:41:28] [INFO ] Flow matrix only has 82 transitions (discarded 13 similar events)
// Phase 1: matrix 82 rows 44 cols
[2025-05-30 11:41:28] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:28] [INFO ] Implicit Places using invariants in 35 ms returned []
[2025-05-30 11:41:28] [INFO ] Flow matrix only has 82 transitions (discarded 13 similar events)
[2025-05-30 11:41:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:28] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-05-30 11:41:28] [INFO ] Implicit Places using invariants and state equation in 61 ms returned [33]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 98 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 43/60 places, 95/125 transitions.
Applied a total of 0 rules in 1 ms. Remains 43 /43 variables (removed 0) and now considering 95/95 (removed 0) transitions.
Finished structural reductions in LTL mode , in 3 iterations and 214 ms. Remains : 43/60 places, 95/125 transitions.
Stuttering acceptance computed with spot in 153 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : CO4-PT-05-LTLFireability-01
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA CO4-PT-05-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CO4-PT-05-LTLFireability-01 finished in 381 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((p0&&(F(p0) U p1)&&F(p2))))'
Support contains 4 out of 60 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 60/60 places, 125/125 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 53 transition count 114
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 53 transition count 114
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 16 place count 53 transition count 112
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 20 place count 49 transition count 104
Iterating global reduction 1 with 4 rules applied. Total rules applied 24 place count 49 transition count 104
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 26 place count 47 transition count 100
Iterating global reduction 1 with 2 rules applied. Total rules applied 28 place count 47 transition count 100
Applied a total of 28 rules in 10 ms. Remains 47 /60 variables (removed 13) and now considering 100/125 (removed 25) transitions.
[2025-05-30 11:41:28] [INFO ] Flow matrix only has 86 transitions (discarded 14 similar events)
// Phase 1: matrix 86 rows 47 cols
[2025-05-30 11:41:28] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:28] [INFO ] Implicit Places using invariants in 34 ms returned []
[2025-05-30 11:41:28] [INFO ] Flow matrix only has 86 transitions (discarded 14 similar events)
[2025-05-30 11:41:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:28] [INFO ] State equation strengthened by 8 read => feed constraints.
[2025-05-30 11:41:28] [INFO ] Implicit Places using invariants and state equation in 59 ms returned [22, 36]
[2025-05-30 11:41:28] [INFO ] Actually due to overlaps returned [22]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 95 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 46/60 places, 100/125 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 45 transition count 99
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 45 transition count 99
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 44 transition count 97
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 44 transition count 97
Applied a total of 4 rules in 3 ms. Remains 44 /46 variables (removed 2) and now considering 97/100 (removed 3) transitions.
[2025-05-30 11:41:28] [INFO ] Flow matrix only has 84 transitions (discarded 13 similar events)
// Phase 1: matrix 84 rows 44 cols
[2025-05-30 11:41:28] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:28] [INFO ] Implicit Places using invariants in 30 ms returned []
[2025-05-30 11:41:28] [INFO ] Flow matrix only has 84 transitions (discarded 13 similar events)
[2025-05-30 11:41:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:29] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-05-30 11:41:29] [INFO ] Implicit Places using invariants and state equation in 48 ms returned [33]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 81 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 43/60 places, 97/125 transitions.
Applied a total of 0 rules in 1 ms. Remains 43 /43 variables (removed 0) and now considering 97/97 (removed 0) transitions.
Finished structural reductions in LTL mode , in 3 iterations and 190 ms. Remains : 43/60 places, 97/125 transitions.
Stuttering acceptance computed with spot in 238 ms :[(OR (NOT p0) (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p1) (NOT p2)), true, (NOT p1), (NOT p2), (NOT p0)]
Running random walk in product with property : CO4-PT-05-LTLFireability-07
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA CO4-PT-05-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CO4-PT-05-LTLFireability-07 finished in 448 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||(F((p1&&F(p2)))&&F(p3))))))'
Support contains 3 out of 60 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 60/60 places, 125/125 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 52 transition count 111
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 52 transition count 111
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 20 place count 52 transition count 107
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 23 place count 49 transition count 101
Iterating global reduction 1 with 3 rules applied. Total rules applied 26 place count 49 transition count 101
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 27 place count 48 transition count 99
Iterating global reduction 1 with 1 rules applied. Total rules applied 28 place count 48 transition count 99
Applied a total of 28 rules in 9 ms. Remains 48 /60 variables (removed 12) and now considering 99/125 (removed 26) transitions.
[2025-05-30 11:41:29] [INFO ] Flow matrix only has 85 transitions (discarded 14 similar events)
// Phase 1: matrix 85 rows 48 cols
[2025-05-30 11:41:29] [INFO ] Computed 4 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:29] [INFO ] Implicit Places using invariants in 41 ms returned []
[2025-05-30 11:41:29] [INFO ] Flow matrix only has 85 transitions (discarded 14 similar events)
[2025-05-30 11:41:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:29] [INFO ] State equation strengthened by 8 read => feed constraints.
[2025-05-30 11:41:29] [INFO ] Implicit Places using invariants and state equation in 64 ms returned [24, 37]
[2025-05-30 11:41:29] [INFO ] Actually due to overlaps returned [24]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 108 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 47/60 places, 99/125 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 46 transition count 98
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 46 transition count 98
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 45 transition count 96
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 45 transition count 96
Applied a total of 4 rules in 10 ms. Remains 45 /47 variables (removed 2) and now considering 96/99 (removed 3) transitions.
[2025-05-30 11:41:29] [INFO ] Flow matrix only has 83 transitions (discarded 13 similar events)
// Phase 1: matrix 83 rows 45 cols
[2025-05-30 11:41:29] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:29] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-05-30 11:41:29] [INFO ] Flow matrix only has 83 transitions (discarded 13 similar events)
[2025-05-30 11:41:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:29] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-05-30 11:41:29] [INFO ] Implicit Places using invariants and state equation in 54 ms returned [34]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 89 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 44/60 places, 96/125 transitions.
Applied a total of 0 rules in 1 ms. Remains 44 /44 variables (removed 0) and now considering 96/96 (removed 0) transitions.
Finished structural reductions in LTL mode , in 3 iterations and 219 ms. Remains : 44/60 places, 96/125 transitions.
Stuttering acceptance computed with spot in 203 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p3)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p3)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : CO4-PT-05-LTLFireability-08
Product exploration explored 100000 steps with 50000 reset in 320 ms.
Product exploration explored 100000 steps with 50000 reset in 164 ms.
Computed a total of 6 stabilizing places and 8 stable transitions
Computed a total of 6 stabilizing places and 8 stable transitions
Knowledge obtained : [(AND p0 (NOT p1) (NOT p3) (NOT p2)), (X (NOT p2)), (X (NOT p3)), (X (NOT (AND (NOT p0) p1 (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p3)))), (X p0), (X (NOT p1)), (X (X (NOT p3))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT (AND (NOT p0) p1 (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p3))))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 15 factoid took 17 ms. Reduced automaton from 5 states, 8 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA CO4-PT-05-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CO4-PT-05-LTLFireability-08 finished in 960 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)&&F(G(p1)))))'
Support contains 4 out of 60 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 60/60 places, 125/125 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 60 transition count 124
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 2 rules applied. Total rules applied 3 place count 59 transition count 123
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 4 place count 58 transition count 123
Discarding 8 places :
Symmetric choice reduction at 3 with 8 rule applications. Total rules 12 place count 50 transition count 108
Iterating global reduction 3 with 8 rules applied. Total rules applied 20 place count 50 transition count 108
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 24 place count 50 transition count 104
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 27 place count 47 transition count 98
Iterating global reduction 4 with 3 rules applied. Total rules applied 30 place count 47 transition count 98
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 4 with 6 rules applied. Total rules applied 36 place count 44 transition count 95
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 38 place count 42 transition count 91
Iterating global reduction 4 with 2 rules applied. Total rules applied 40 place count 42 transition count 91
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 42 place count 40 transition count 87
Iterating global reduction 4 with 2 rules applied. Total rules applied 44 place count 40 transition count 87
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 46 place count 40 transition count 85
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 5 with 12 rules applied. Total rules applied 58 place count 40 transition count 73
Applied a total of 58 rules in 14 ms. Remains 40 /60 variables (removed 20) and now considering 73/125 (removed 52) transitions.
[2025-05-30 11:41:30] [INFO ] Flow matrix only has 63 transitions (discarded 10 similar events)
// Phase 1: matrix 63 rows 40 cols
[2025-05-30 11:41:30] [INFO ] Computed 4 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:30] [INFO ] Implicit Places using invariants in 32 ms returned []
[2025-05-30 11:41:30] [INFO ] Flow matrix only has 63 transitions (discarded 10 similar events)
[2025-05-30 11:41:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:30] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-05-30 11:41:30] [INFO ] Implicit Places using invariants and state equation in 51 ms returned [17, 30]
[2025-05-30 11:41:30] [INFO ] Actually due to overlaps returned [17]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 86 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 39/60 places, 73/125 transitions.
Graph (trivial) has 25 edges and 39 vertex of which 8 / 39 are part of one of the 2 SCC in 0 ms
Free SCC test removed 6 places
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 3 place count 31 transition count 59
Iterating global reduction 0 with 2 rules applied. Total rules applied 5 place count 31 transition count 59
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 6 place count 31 transition count 58
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 7 place count 30 transition count 56
Iterating global reduction 1 with 1 rules applied. Total rules applied 8 place count 30 transition count 56
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 30 transition count 55
Applied a total of 9 rules in 5 ms. Remains 30 /39 variables (removed 9) and now considering 55/73 (removed 18) transitions.
[2025-05-30 11:41:30] [INFO ] Flow matrix only has 46 transitions (discarded 9 similar events)
// Phase 1: matrix 46 rows 30 cols
[2025-05-30 11:41:30] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:30] [INFO ] Implicit Places using invariants in 27 ms returned []
[2025-05-30 11:41:30] [INFO ] Flow matrix only has 46 transitions (discarded 9 similar events)
[2025-05-30 11:41:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:30] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-05-30 11:41:30] [INFO ] Implicit Places using invariants and state equation in 48 ms returned [20]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 76 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 29/60 places, 55/125 transitions.
Applied a total of 0 rules in 2 ms. Remains 29 /29 variables (removed 0) and now considering 55/55 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 184 ms. Remains : 29/60 places, 55/125 transitions.
Stuttering acceptance computed with spot in 108 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : CO4-PT-05-LTLFireability-10
Stuttering criterion allowed to conclude after 2654 steps with 94 reset in 11 ms.
FORMULA CO4-PT-05-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CO4-PT-05-LTLFireability-10 finished in 345 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(F((X(F(p0))||G(p1))))))'
Support contains 2 out of 60 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 60/60 places, 125/125 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 51 transition count 110
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 51 transition count 110
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 22 place count 51 transition count 106
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 26 place count 47 transition count 98
Iterating global reduction 1 with 4 rules applied. Total rules applied 30 place count 47 transition count 98
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 32 place count 45 transition count 94
Iterating global reduction 1 with 2 rules applied. Total rules applied 34 place count 45 transition count 94
Applied a total of 34 rules in 2 ms. Remains 45 /60 variables (removed 15) and now considering 94/125 (removed 31) transitions.
[2025-05-30 11:41:30] [INFO ] Flow matrix only has 82 transitions (discarded 12 similar events)
// Phase 1: matrix 82 rows 45 cols
[2025-05-30 11:41:30] [INFO ] Computed 4 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:30] [INFO ] Implicit Places using invariants in 34 ms returned []
[2025-05-30 11:41:30] [INFO ] Flow matrix only has 82 transitions (discarded 12 similar events)
[2025-05-30 11:41:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:30] [INFO ] State equation strengthened by 8 read => feed constraints.
[2025-05-30 11:41:30] [INFO ] Implicit Places using invariants and state equation in 76 ms returned [21, 34]
[2025-05-30 11:41:30] [INFO ] Actually due to overlaps returned [21]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 112 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 44/60 places, 94/125 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 43 transition count 93
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 43 transition count 93
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 42 transition count 91
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 42 transition count 91
Applied a total of 4 rules in 2 ms. Remains 42 /44 variables (removed 2) and now considering 91/94 (removed 3) transitions.
[2025-05-30 11:41:30] [INFO ] Flow matrix only has 80 transitions (discarded 11 similar events)
// Phase 1: matrix 80 rows 42 cols
[2025-05-30 11:41:30] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:30] [INFO ] Implicit Places using invariants in 31 ms returned []
[2025-05-30 11:41:30] [INFO ] Flow matrix only has 80 transitions (discarded 11 similar events)
[2025-05-30 11:41:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:30] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-05-30 11:41:30] [INFO ] Implicit Places using invariants and state equation in 71 ms returned [31]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 105 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 41/60 places, 91/125 transitions.
Applied a total of 0 rules in 1 ms. Remains 41 /41 variables (removed 0) and now considering 91/91 (removed 0) transitions.
Finished structural reductions in LTL mode , in 3 iterations and 223 ms. Remains : 41/60 places, 91/125 transitions.
Stuttering acceptance computed with spot in 157 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : CO4-PT-05-LTLFireability-11
Stuttering criterion allowed to conclude after 31 steps with 0 reset in 0 ms.
FORMULA CO4-PT-05-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CO4-PT-05-LTLFireability-11 finished in 410 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(p0)&&X((F((G(p2)||(p2&&F(p3))))||p1))))'
Support contains 6 out of 60 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 60/60 places, 125/125 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 54 transition count 115
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 54 transition count 115
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 15 place count 54 transition count 112
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 18 place count 51 transition count 106
Iterating global reduction 1 with 3 rules applied. Total rules applied 21 place count 51 transition count 106
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 23 place count 49 transition count 102
Iterating global reduction 1 with 2 rules applied. Total rules applied 25 place count 49 transition count 102
Applied a total of 25 rules in 4 ms. Remains 49 /60 variables (removed 11) and now considering 102/125 (removed 23) transitions.
[2025-05-30 11:41:31] [INFO ] Flow matrix only has 87 transitions (discarded 15 similar events)
// Phase 1: matrix 87 rows 49 cols
[2025-05-30 11:41:31] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:31] [INFO ] Implicit Places using invariants in 39 ms returned []
[2025-05-30 11:41:31] [INFO ] Flow matrix only has 87 transitions (discarded 15 similar events)
[2025-05-30 11:41:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:31] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-05-30 11:41:31] [INFO ] Implicit Places using invariants and state equation in 52 ms returned [22]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 91 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 48/60 places, 102/125 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 47 transition count 101
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 47 transition count 101
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 46 transition count 99
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 46 transition count 99
Applied a total of 4 rules in 1 ms. Remains 46 /48 variables (removed 2) and now considering 99/102 (removed 3) transitions.
[2025-05-30 11:41:31] [INFO ] Flow matrix only has 85 transitions (discarded 14 similar events)
// Phase 1: matrix 85 rows 46 cols
[2025-05-30 11:41:31] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:31] [INFO ] Implicit Places using invariants in 26 ms returned []
[2025-05-30 11:41:31] [INFO ] Flow matrix only has 85 transitions (discarded 14 similar events)
[2025-05-30 11:41:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:31] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-05-30 11:41:31] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 78 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 46/60 places, 99/125 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 176 ms. Remains : 46/60 places, 99/125 transitions.
Stuttering acceptance computed with spot in 188 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p3))]
Running random walk in product with property : CO4-PT-05-LTLFireability-12
Product exploration explored 100000 steps with 50000 reset in 131 ms.
Product exploration explored 100000 steps with 50000 reset in 151 ms.
Computed a total of 8 stabilizing places and 9 stable transitions
Computed a total of 8 stabilizing places and 9 stable transitions
Knowledge obtained : [(AND p0 p1 p2 p3), (X p2), (X (NOT (AND (NOT p1) p2 (NOT p3)))), (X p3), (X p0), (X (NOT (AND (NOT p1) (NOT p2)))), (X p1), (X (X p0)), (X (X (NOT (AND (NOT p2) (NOT p3))))), (X (X p2))]
False Knowledge obtained : [(X (X p3)), (X (X (NOT p3))), (X (X (AND p2 (NOT p3)))), (X (X (NOT (AND p2 (NOT p3)))))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 10 factoid took 16 ms. Reduced automaton from 5 states, 9 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA CO4-PT-05-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CO4-PT-05-LTLFireability-12 finished in 687 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) U (G(p0)&&p1))))'
Support contains 4 out of 60 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 60/60 places, 125/125 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 52 transition count 112
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 52 transition count 112
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 20 place count 52 transition count 108
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 23 place count 49 transition count 102
Iterating global reduction 1 with 3 rules applied. Total rules applied 26 place count 49 transition count 102
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 28 place count 47 transition count 98
Iterating global reduction 1 with 2 rules applied. Total rules applied 30 place count 47 transition count 98
Applied a total of 30 rules in 4 ms. Remains 47 /60 variables (removed 13) and now considering 98/125 (removed 27) transitions.
[2025-05-30 11:41:31] [INFO ] Flow matrix only has 84 transitions (discarded 14 similar events)
// Phase 1: matrix 84 rows 47 cols
[2025-05-30 11:41:31] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:31] [INFO ] Implicit Places using invariants in 30 ms returned []
[2025-05-30 11:41:31] [INFO ] Flow matrix only has 84 transitions (discarded 14 similar events)
[2025-05-30 11:41:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:31] [INFO ] State equation strengthened by 8 read => feed constraints.
[2025-05-30 11:41:31] [INFO ] Implicit Places using invariants and state equation in 83 ms returned [23, 36]
[2025-05-30 11:41:31] [INFO ] Actually due to overlaps returned [23]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 116 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 46/60 places, 98/125 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 45 transition count 97
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 45 transition count 97
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 44 transition count 95
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 44 transition count 95
Applied a total of 4 rules in 1 ms. Remains 44 /46 variables (removed 2) and now considering 95/98 (removed 3) transitions.
[2025-05-30 11:41:31] [INFO ] Flow matrix only has 82 transitions (discarded 13 similar events)
// Phase 1: matrix 82 rows 44 cols
[2025-05-30 11:41:31] [INFO ] Computed 3 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:31] [INFO ] Implicit Places using invariants in 91 ms returned []
[2025-05-30 11:41:31] [INFO ] Flow matrix only has 82 transitions (discarded 13 similar events)
[2025-05-30 11:41:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:41:31] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-05-30 11:41:31] [INFO ] Implicit Places using invariants and state equation in 42 ms returned [33]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 134 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 43/60 places, 95/125 transitions.
Applied a total of 0 rules in 0 ms. Remains 43 /43 variables (removed 0) and now considering 95/95 (removed 0) transitions.
Finished structural reductions in LTL mode , in 3 iterations and 255 ms. Remains : 43/60 places, 95/125 transitions.
Stuttering acceptance computed with spot in 144 ms :[(NOT p0), (OR (NOT p1) (NOT p0)), true, (OR (NOT p0) (NOT p1))]
Running random walk in product with property : CO4-PT-05-LTLFireability-14
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA CO4-PT-05-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CO4-PT-05-LTLFireability-14 finished in 413 ms.
All properties solved by simple procedures.
Total runtime 6104 ms.

BK_STOP 1748605292161

--------------------
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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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="CO4-PT-05"
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 2-5832"
echo " Executing tool itstools"
echo " Input is CO4-PT-05, 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 r044-tall-174854028400412"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CO4-PT-05.tgz
mv CO4-PT-05 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 ;