Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r044-tall-174854028300388.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)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is CO4-PT-02, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r044-tall-174854028300388
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 532K
-rw-r--r-- 1 mcc users 7.5K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 90K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 32K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.3K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 134K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.3K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 83K 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 74K 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-02-LTLFireability-00
FORMULA_NAME CO4-PT-02-LTLFireability-01
FORMULA_NAME CO4-PT-02-LTLFireability-02
FORMULA_NAME CO4-PT-02-LTLFireability-03
FORMULA_NAME CO4-PT-02-LTLFireability-04
FORMULA_NAME CO4-PT-02-LTLFireability-05
FORMULA_NAME CO4-PT-02-LTLFireability-06
FORMULA_NAME CO4-PT-02-LTLFireability-07
FORMULA_NAME CO4-PT-02-LTLFireability-08
FORMULA_NAME CO4-PT-02-LTLFireability-09
FORMULA_NAME CO4-PT-02-LTLFireability-10
FORMULA_NAME CO4-PT-02-LTLFireability-11
FORMULA_NAME CO4-PT-02-LTLFireability-12
FORMULA_NAME CO4-PT-02-LTLFireability-13
FORMULA_NAME CO4-PT-02-LTLFireability-14
FORMULA_NAME CO4-PT-02-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748605133129

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-02
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-05-30 11:38:54] [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 11:38:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 11:38:54] [INFO ] Load time of PNML (sax parser for PT used): 71 ms
[2025-05-30 11:38:54] [INFO ] Transformed 97 places.
[2025-05-30 11:38:54] [INFO ] Transformed 299 transitions.
[2025-05-30 11:38:54] [INFO ] Found NUPN structural information;
[2025-05-30 11:38:54] [INFO ] Parsed PT model containing 97 places and 299 transitions and 1113 arcs in 175 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Ensure Unique test removed 59 transitions
Reduce redundant transitions removed 59 transitions.
FORMULA CO4-PT-02-LTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-02-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-02-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-02-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 34 out of 97 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 97/97 places, 240/240 transitions.
Discarding 28 places :
Symmetric choice reduction at 0 with 28 rule applications. Total rules 28 place count 69 transition count 181
Iterating global reduction 0 with 28 rules applied. Total rules applied 56 place count 69 transition count 181
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 68 place count 69 transition count 169
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 70 place count 67 transition count 163
Iterating global reduction 1 with 2 rules applied. Total rules applied 72 place count 67 transition count 163
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 73 place count 66 transition count 160
Iterating global reduction 1 with 1 rules applied. Total rules applied 74 place count 66 transition count 160
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 75 place count 66 transition count 159
Applied a total of 75 rules in 40 ms. Remains 66 /97 variables (removed 31) and now considering 159/240 (removed 81) transitions.
[2025-05-30 11:38:54] [INFO ] Flow matrix only has 119 transitions (discarded 40 similar events)
// Phase 1: matrix 119 rows 66 cols
[2025-05-30 11:38:54] [INFO ] Computed 12 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:38:54] [INFO ] Implicit Places using invariants in 166 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 193 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 65/97 places, 159/240 transitions.
Applied a total of 0 rules in 2 ms. Remains 65 /65 variables (removed 0) and now considering 159/159 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 247 ms. Remains : 65/97 places, 159/240 transitions.
Support contains 34 out of 65 places after structural reductions.
[2025-05-30 11:38:55] [INFO ] Flatten gal took : 31 ms
[2025-05-30 11:38:55] [INFO ] Flatten gal took : 16 ms
[2025-05-30 11:38:55] [INFO ] Input system was already deterministic with 159 transitions.
Support contains 32 out of 65 places (down from 34) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 27 to 26
RANDOM walk for 40000 steps (14 resets) in 1383 ms. (28 steps per ms) remains 1/26 properties
BEST_FIRST walk for 40002 steps (8 resets) in 234 ms. (170 steps per ms) remains 1/1 properties
[2025-05-30 11:38:55] [INFO ] Flow matrix only has 119 transitions (discarded 40 similar events)
// Phase 1: matrix 119 rows 65 cols
[2025-05-30 11:38:55] [INFO ] Computed 11 invariants in 2 ms
[2025-05-30 11:38:55] [INFO ] State equation strengthened by 35 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp14 is UNSAT
After SMT solving in domain Real declared 28/184 variables, and 2 constraints, problems are : Problem set: 1 solved, 0 unsolved in 56 ms.
Refiners :[Positive P Invariants (semi-flows): 2/8 constraints, Generalized P Invariants (flows): 0/3 constraints, State Equation: 0/65 constraints, ReadFeed: 0/35 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 107ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 1 atomic propositions for a total of 12 simplifications.
Computed a total of 13 stabilizing places and 14 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' '!((F((X(p0)&&F(p1))) U (F(G(p3))&&p2)))'
Support contains 4 out of 65 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 65/65 places, 159/159 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 53 transition count 130
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 53 transition count 130
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 32 place count 53 transition count 122
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 34 place count 51 transition count 116
Iterating global reduction 1 with 2 rules applied. Total rules applied 36 place count 51 transition count 116
Performed 4 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 1 with 8 rules applied. Total rules applied 44 place count 47 transition count 110
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 46 place count 45 transition count 104
Iterating global reduction 1 with 2 rules applied. Total rules applied 48 place count 45 transition count 104
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 49 place count 44 transition count 101
Iterating global reduction 1 with 1 rules applied. Total rules applied 50 place count 44 transition count 101
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 52 place count 44 transition count 99
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 2 with 2 rules applied. Total rules applied 54 place count 43 transition count 100
Drop transitions (Redundant composition of simpler transitions.) removed 19 transitions
Redundant transition composition rules discarded 19 transitions
Iterating global reduction 2 with 19 rules applied. Total rules applied 73 place count 43 transition count 81
Applied a total of 73 rules in 31 ms. Remains 43 /65 variables (removed 22) and now considering 81/159 (removed 78) transitions.
[2025-05-30 11:38:56] [INFO ] Flow matrix only has 60 transitions (discarded 21 similar events)
// Phase 1: matrix 60 rows 43 cols
[2025-05-30 11:38:56] [INFO ] Computed 11 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:38:56] [INFO ] Implicit Places using invariants in 97 ms returned [25, 27, 28, 31, 34]
[2025-05-30 11:38:56] [INFO ] Actually due to overlaps returned [34, 27, 28]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 99 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 40/65 places, 81/159 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 38 transition count 79
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 38 transition count 79
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 0 with 10 rules applied. Total rules applied 14 place count 38 transition count 69
Applied a total of 14 rules in 7 ms. Remains 38 /40 variables (removed 2) and now considering 69/81 (removed 12) transitions.
[2025-05-30 11:38:56] [INFO ] Flow matrix only has 58 transitions (discarded 11 similar events)
// Phase 1: matrix 58 rows 38 cols
[2025-05-30 11:38:56] [INFO ] Computed 8 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:38:56] [INFO ] Implicit Places using invariants in 44 ms returned [25, 28]
[2025-05-30 11:38:56] [INFO ] Actually due to overlaps returned [25]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 45 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 37/65 places, 69/159 transitions.
Graph (trivial) has 20 edges and 37 vertex of which 4 / 37 are part of one of the 1 SCC in 2 ms
Free SCC test removed 3 places
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 33 transition count 63
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 33 transition count 63
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 4 place count 33 transition count 62
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 8 place count 31 transition count 60
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 1 with 3 rules applied. Total rules applied 11 place count 31 transition count 57
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 1 with 2 rules applied. Total rules applied 13 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 14 place count 30 transition count 55
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 16 place count 29 transition count 54
Applied a total of 16 rules in 13 ms. Remains 29 /37 variables (removed 8) and now considering 54/69 (removed 15) transitions.
[2025-05-30 11:38:56] [INFO ] Flow matrix only has 43 transitions (discarded 11 similar events)
// Phase 1: matrix 43 rows 29 cols
[2025-05-30 11:38:56] [INFO ] Computed 7 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:38:56] [INFO ] Implicit Places using invariants in 49 ms returned [21, 22]
[2025-05-30 11:38:56] [INFO ] Actually due to overlaps returned [21]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 50 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 3 : 28/65 places, 54/159 transitions.
Graph (trivial) has 20 edges and 28 vertex of which 2 / 28 are part of one of the 1 SCC in 1 ms
Free SCC test removed 1 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 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 26 transition count 51
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 4 place count 26 transition count 50
Applied a total of 4 rules in 4 ms. Remains 26 /28 variables (removed 2) and now considering 50/54 (removed 4) transitions.
[2025-05-30 11:38:56] [INFO ] Flow matrix only has 39 transitions (discarded 11 similar events)
// Phase 1: matrix 39 rows 26 cols
[2025-05-30 11:38:56] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:38:56] [INFO ] Implicit Places using invariants in 30 ms returned [20]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 36 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 4 : 25/65 places, 50/159 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 2 place count 24 transition count 49
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 3 place count 24 transition count 48
Applied a total of 3 rules in 5 ms. Remains 24 /25 variables (removed 1) and now considering 48/50 (removed 2) transitions.
[2025-05-30 11:38:56] [INFO ] Flow matrix only has 37 transitions (discarded 11 similar events)
// Phase 1: matrix 37 rows 24 cols
[2025-05-30 11:38:56] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:38:56] [INFO ] Implicit Places using invariants in 32 ms returned []
[2025-05-30 11:38:56] [INFO ] Flow matrix only has 37 transitions (discarded 11 similar events)
[2025-05-30 11:38:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:38:56] [INFO ] State equation strengthened by 7 read => feed constraints.
[2025-05-30 11:38:56] [INFO ] Implicit Places using invariants and state equation in 42 ms returned [10]
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 5 : 23/65 places, 48/159 transitions.
Graph (trivial) has 17 edges and 23 vertex of which 7 / 23 are part of one of the 2 SCC in 2 ms
Free SCC test removed 5 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 16 transition count 33
Iterating global reduction 0 with 2 rules applied. Total rules applied 5 place count 16 transition count 33
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 7 place count 16 transition count 31
Applied a total of 7 rules in 4 ms. Remains 16 /23 variables (removed 7) and now considering 31/48 (removed 17) transitions.
[2025-05-30 11:38:56] [INFO ] Flow matrix only has 21 transitions (discarded 10 similar events)
// Phase 1: matrix 21 rows 16 cols
[2025-05-30 11:38:56] [INFO ] Computed 4 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:38:56] [INFO ] Implicit Places using invariants in 29 ms returned []
[2025-05-30 11:38:56] [INFO ] Flow matrix only has 21 transitions (discarded 10 similar events)
[2025-05-30 11:38:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:38:56] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-05-30 11:38:56] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 6 : 16/65 places, 31/159 transitions.
Finished structural reductions in SI_LTL mode , in 6 iterations and 431 ms. Remains : 16/65 places, 31/159 transitions.
Stuttering acceptance computed with spot in 275 ms :[(OR (NOT p2) (NOT p3)), (NOT p0), (NOT p1), (NOT p3)]
Running random walk in product with property : CO4-PT-02-LTLFireability-00
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA CO4-PT-02-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CO4-PT-02-LTLFireability-00 finished in 773 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))'
Support contains 3 out of 65 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 65/65 places, 159/159 transitions.
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 14 place count 51 transition count 124
Iterating global reduction 0 with 14 rules applied. Total rules applied 28 place count 51 transition count 124
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 37 place count 51 transition count 115
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 39 place count 49 transition count 109
Iterating global reduction 1 with 2 rules applied. Total rules applied 41 place count 49 transition count 109
Performed 4 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 1 with 8 rules applied. Total rules applied 49 place count 45 transition count 104
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 50 place count 45 transition count 103
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 52 place count 43 transition count 97
Iterating global reduction 2 with 2 rules applied. Total rules applied 54 place count 43 transition count 97
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 56 place count 41 transition count 91
Iterating global reduction 2 with 2 rules applied. Total rules applied 58 place count 41 transition count 91
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 62 place count 41 transition count 87
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 3 with 2 rules applied. Total rules applied 64 place count 40 transition count 88
Drop transitions (Redundant composition of simpler transitions.) removed 18 transitions
Redundant transition composition rules discarded 18 transitions
Iterating global reduction 3 with 18 rules applied. Total rules applied 82 place count 40 transition count 70
Applied a total of 82 rules in 15 ms. Remains 40 /65 variables (removed 25) and now considering 70/159 (removed 89) transitions.
[2025-05-30 11:38:56] [INFO ] Flow matrix only has 60 transitions (discarded 10 similar events)
// Phase 1: matrix 60 rows 40 cols
[2025-05-30 11:38:56] [INFO ] Computed 11 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:38:56] [INFO ] Implicit Places using invariants in 44 ms returned [21, 23, 24, 27]
[2025-05-30 11:38:56] [INFO ] Actually due to overlaps returned [27, 23, 24]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 46 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 37/65 places, 70/159 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 35 transition count 68
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 35 transition count 68
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 5 place count 35 transition count 67
Applied a total of 5 rules in 5 ms. Remains 35 /37 variables (removed 2) and now considering 67/70 (removed 3) transitions.
[2025-05-30 11:38:56] [INFO ] Flow matrix only has 57 transitions (discarded 10 similar events)
// Phase 1: matrix 57 rows 35 cols
[2025-05-30 11:38:56] [INFO ] Computed 8 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:38:56] [INFO ] Implicit Places using invariants in 35 ms returned [21]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 36 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 34/65 places, 67/159 transitions.
Applied a total of 0 rules in 3 ms. Remains 34 /34 variables (removed 0) and now considering 67/67 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 105 ms. Remains : 34/65 places, 67/159 transitions.
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
Running random walk in product with property : CO4-PT-02-LTLFireability-01
Stuttering criterion allowed to conclude after 26 steps with 0 reset in 1 ms.
FORMULA CO4-PT-02-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CO4-PT-02-LTLFireability-01 finished in 145 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' '!(((p0||X(X(X(X(F(p1)))))) U (p2 U p1)))'
Support contains 5 out of 65 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 65/65 places, 159/159 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 13 place count 52 transition count 125
Iterating global reduction 0 with 13 rules applied. Total rules applied 26 place count 52 transition count 125
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 35 place count 52 transition count 116
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 37 place count 50 transition count 110
Iterating global reduction 1 with 2 rules applied. Total rules applied 39 place count 50 transition count 110
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 40 place count 50 transition count 109
Applied a total of 40 rules in 4 ms. Remains 50 /65 variables (removed 15) and now considering 109/159 (removed 50) transitions.
[2025-05-30 11:38:57] [INFO ] Flow matrix only has 93 transitions (discarded 16 similar events)
// Phase 1: matrix 93 rows 50 cols
[2025-05-30 11:38:57] [INFO ] Computed 11 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:38:57] [INFO ] Implicit Places using invariants in 65 ms returned [29, 31, 32]
[2025-05-30 11:38:57] [INFO ] Actually due to overlaps returned [29]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 67 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 49/65 places, 109/159 transitions.
Applied a total of 0 rules in 1 ms. Remains 49 /49 variables (removed 0) and now considering 109/109 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 72 ms. Remains : 49/65 places, 109/159 transitions.
Stuttering acceptance computed with spot in 251 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : CO4-PT-02-LTLFireability-02
Stuttering criterion allowed to conclude after 99 steps with 0 reset in 1 ms.
FORMULA CO4-PT-02-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CO4-PT-02-LTLFireability-02 finished in 344 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(F((X(p1)&&p0))))))'
Support contains 7 out of 65 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 65/65 places, 159/159 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 54 transition count 132
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 54 transition count 132
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 26 place count 54 transition count 128
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 28 place count 52 transition count 122
Iterating global reduction 1 with 2 rules applied. Total rules applied 30 place count 52 transition count 122
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 31 place count 52 transition count 121
Applied a total of 31 rules in 3 ms. Remains 52 /65 variables (removed 13) and now considering 121/159 (removed 38) transitions.
[2025-05-30 11:38:57] [INFO ] Flow matrix only has 101 transitions (discarded 20 similar events)
// Phase 1: matrix 101 rows 52 cols
[2025-05-30 11:38:57] [INFO ] Computed 11 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:38:57] [INFO ] Implicit Places using invariants in 45 ms returned [30, 32, 33]
[2025-05-30 11:38:57] [INFO ] Actually due to overlaps returned [30]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 46 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 51/65 places, 121/159 transitions.
Applied a total of 0 rules in 1 ms. Remains 51 /51 variables (removed 0) and now considering 121/121 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 51 ms. Remains : 51/65 places, 121/159 transitions.
Stuttering acceptance computed with spot in 153 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : CO4-PT-02-LTLFireability-03
Product exploration explored 100000 steps with 15185 reset in 280 ms.
Stack based approach found an accepted trace after 225 steps with 34 reset with depth 5 and stack size 5 in 2 ms.
FORMULA CO4-PT-02-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property CO4-PT-02-LTLFireability-03 finished in 502 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' '!(((p0 U G(X((F((X(p0) U p1))||p2)))) U p2))'
Support contains 7 out of 65 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 65/65 places, 159/159 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 53 transition count 128
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 53 transition count 128
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 32 place count 53 transition count 120
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 34 place count 51 transition count 114
Iterating global reduction 1 with 2 rules applied. Total rules applied 36 place count 51 transition count 114
Applied a total of 36 rules in 5 ms. Remains 51 /65 variables (removed 14) and now considering 114/159 (removed 45) transitions.
[2025-05-30 11:38:57] [INFO ] Flow matrix only has 96 transitions (discarded 18 similar events)
// Phase 1: matrix 96 rows 51 cols
[2025-05-30 11:38:57] [INFO ] Computed 11 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:38:57] [INFO ] Implicit Places using invariants in 31 ms returned [32]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 32 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 50/65 places, 114/159 transitions.
Applied a total of 0 rules in 1 ms. Remains 50 /50 variables (removed 0) and now considering 114/114 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 38 ms. Remains : 50/65 places, 114/159 transitions.
Stuttering acceptance computed with spot in 229 ms :[(NOT p2), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (NOT p1), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : CO4-PT-02-LTLFireability-05
Stuttering criterion allowed to conclude after 8 steps with 0 reset in 1 ms.
FORMULA CO4-PT-02-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CO4-PT-02-LTLFireability-05 finished in 289 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(F(!p0))||(F(!p0)&&(!p1 U (G(!p1)||(!p1&&G(!p2))))))))'
Support contains 5 out of 65 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 65/65 places, 159/159 transitions.
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 14 place count 51 transition count 124
Iterating global reduction 0 with 14 rules applied. Total rules applied 28 place count 51 transition count 124
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 37 place count 51 transition count 115
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 39 place count 49 transition count 109
Iterating global reduction 1 with 2 rules applied. Total rules applied 41 place count 49 transition count 109
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 1 with 6 rules applied. Total rules applied 47 place count 46 transition count 106
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 48 place count 45 transition count 103
Iterating global reduction 1 with 1 rules applied. Total rules applied 49 place count 45 transition count 103
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 50 place count 44 transition count 100
Iterating global reduction 1 with 1 rules applied. Total rules applied 51 place count 44 transition count 100
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 53 place count 44 transition count 98
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 2 with 16 rules applied. Total rules applied 69 place count 44 transition count 82
Applied a total of 69 rules in 18 ms. Remains 44 /65 variables (removed 21) and now considering 82/159 (removed 77) transitions.
[2025-05-30 11:38:58] [INFO ] Flow matrix only has 62 transitions (discarded 20 similar events)
// Phase 1: matrix 62 rows 44 cols
[2025-05-30 11:38:58] [INFO ] Computed 11 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:38:58] [INFO ] Implicit Places using invariants in 65 ms returned [25, 27, 28, 31, 34]
[2025-05-30 11:38:58] [INFO ] Actually due to overlaps returned [34, 27, 28]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 66 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 41/65 places, 82/159 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 39 transition count 80
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 39 transition count 80
Drop transitions (Redundant composition of simpler transitions.) removed 11 transitions
Redundant transition composition rules discarded 11 transitions
Iterating global reduction 0 with 11 rules applied. Total rules applied 15 place count 39 transition count 69
Applied a total of 15 rules in 5 ms. Remains 39 /41 variables (removed 2) and now considering 69/82 (removed 13) transitions.
[2025-05-30 11:38:58] [INFO ] Flow matrix only has 60 transitions (discarded 9 similar events)
// Phase 1: matrix 60 rows 39 cols
[2025-05-30 11:38:58] [INFO ] Computed 8 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:38:58] [INFO ] Implicit Places using invariants in 36 ms returned [25, 28]
[2025-05-30 11:38:58] [INFO ] Actually due to overlaps returned [25]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 37 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 38/65 places, 69/159 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 36 transition count 67
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 6 place count 36 transition count 65
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 35 transition count 64
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 35 transition count 63
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 34 transition count 62
Applied a total of 11 rules in 9 ms. Remains 34 /38 variables (removed 4) and now considering 62/69 (removed 7) transitions.
[2025-05-30 11:38:58] [INFO ] Flow matrix only has 53 transitions (discarded 9 similar events)
// Phase 1: matrix 53 rows 34 cols
[2025-05-30 11:38:58] [INFO ] Computed 7 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:38:58] [INFO ] Implicit Places using invariants in 38 ms returned [25, 26]
[2025-05-30 11:38:58] [INFO ] Actually due to overlaps returned [25]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 48 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 3 : 33/65 places, 62/159 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 33 transition count 60
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 5 place count 31 transition count 59
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 9 place count 29 transition count 57
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 11 place count 28 transition count 63
Drop transitions (Redundant composition of simpler transitions.) removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 2 with 9 rules applied. Total rules applied 20 place count 28 transition count 54
Applied a total of 20 rules in 6 ms. Remains 28 /33 variables (removed 5) and now considering 54/62 (removed 8) transitions.
[2025-05-30 11:38:58] [INFO ] Flow matrix only has 47 transitions (discarded 7 similar events)
// Phase 1: matrix 47 rows 28 cols
[2025-05-30 11:38:58] [INFO ] Computed 6 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:38:58] [INFO ] Implicit Places using invariants in 28 ms returned [21]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 32 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 4 : 27/65 places, 54/159 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 2 place count 26 transition count 53
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 3 place count 26 transition count 52
Applied a total of 3 rules in 4 ms. Remains 26 /27 variables (removed 1) and now considering 52/54 (removed 2) transitions.
[2025-05-30 11:38:58] [INFO ] Flow matrix only has 45 transitions (discarded 7 similar events)
// Phase 1: matrix 45 rows 26 cols
[2025-05-30 11:38:58] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:38:58] [INFO ] Implicit Places using invariants in 25 ms returned []
[2025-05-30 11:38:58] [INFO ] Flow matrix only has 45 transitions (discarded 7 similar events)
[2025-05-30 11:38:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:38:58] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-05-30 11:38:58] [INFO ] Implicit Places using invariants and state equation in 37 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 65 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 5 : 25/65 places, 52/159 transitions.
Graph (trivial) has 17 edges and 25 vertex of which 4 / 25 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.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 3 place count 20 transition count 44
Iterating global reduction 0 with 2 rules applied. Total rules applied 5 place count 20 transition count 44
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 6 place count 19 transition count 42
Iterating global reduction 0 with 1 rules applied. Total rules applied 7 place count 19 transition count 42
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 0 with 4 rules applied. Total rules applied 11 place count 19 transition count 38
Applied a total of 11 rules in 3 ms. Remains 19 /25 variables (removed 6) and now considering 38/52 (removed 14) transitions.
[2025-05-30 11:38:58] [INFO ] Flow matrix only has 32 transitions (discarded 6 similar events)
// Phase 1: matrix 32 rows 19 cols
[2025-05-30 11:38:58] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:38:58] [INFO ] Implicit Places using invariants in 19 ms returned []
[2025-05-30 11:38:58] [INFO ] Flow matrix only has 32 transitions (discarded 6 similar events)
[2025-05-30 11:38:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:38:58] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-30 11:38:58] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 6 : 19/65 places, 38/159 transitions.
Finished structural reductions in SI_LTL mode , in 6 iterations and 347 ms. Remains : 19/65 places, 38/159 transitions.
Stuttering acceptance computed with spot in 245 ms :[p0, (AND p1 p2 p0), (AND p0 p1), p0, (AND p0 p2), (AND p0 p2)]
Running random walk in product with property : CO4-PT-02-LTLFireability-06
Product exploration explored 100000 steps with 0 reset in 168 ms.
Product exploration explored 100000 steps with 0 reset in 173 ms.
Computed a total of 4 stabilizing places and 4 stable transitions
Computed a total of 4 stabilizing places and 4 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p0)), (X p2), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT (AND p0 p1))), (X (NOT (AND p2 p1))), (X (NOT (AND (NOT p2) p1))), (X (NOT (AND p0 p2 p1))), (X (NOT p0)), (X (NOT p1)), (X (AND p2 (NOT p1))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND p2 p1)))), (X (X (NOT (AND p0 p2 p1)))), (X (X (NOT (AND p0 (NOT p2) (NOT p1)))))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND p0 p2))), (X (X (NOT (AND p0 p2)))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (AND (NOT p2) p1))), (X (X (NOT (AND (NOT p2) p1)))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1))), (X (X (AND p2 (NOT p1)))), (X (X (NOT (AND p2 (NOT p1)))))]
Knowledge based reduction with 14 factoid took 555 ms. Reduced automaton from 6 states, 22 edges and 3 AP (stutter insensitive) to 6 states, 22 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 232 ms :[p0, (AND p1 p2 p0), (AND p0 p1), p0, (AND p0 p2), (AND p0 p2)]
RANDOM walk for 40000 steps (8 resets) in 242 ms. (164 steps per ms) remains 3/12 properties
BEST_FIRST walk for 40002 steps (8 resets) in 121 ms. (327 steps per ms) remains 2/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 126 ms. (314 steps per ms) remains 2/2 properties
[2025-05-30 11:39:00] [INFO ] Flow matrix only has 32 transitions (discarded 6 similar events)
[2025-05-30 11:39:00] [INFO ] Invariant cache hit.
[2025-05-30 11:39:00] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 10/15 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2/17 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/17 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 31/48 variables, 17/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/48 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/48 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem apf3 is UNSAT
Problem apf6 is UNSAT
After SMT solving in domain Real declared 50/51 variables, and 24 constraints, problems are : Problem set: 2 solved, 0 unsolved in 87 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 19/19 constraints, ReadFeed: 1/2 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 107ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 2 invariant AP formulas.
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p0)), (X p2), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT (AND p0 p1))), (X (NOT (AND p2 p1))), (X (NOT (AND (NOT p2) p1))), (X (NOT (AND p0 p2 p1))), (X (NOT p0)), (X (NOT p1)), (X (AND p2 (NOT p1))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND p2 p1)))), (X (X (NOT (AND p0 p2 p1)))), (X (X (NOT (AND p0 (NOT p2) (NOT p1))))), (G (OR (NOT p0) (NOT p1))), (G (OR (NOT p2) (NOT p0) (NOT p1)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND p0 p2))), (X (X (NOT (AND p0 p2)))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (AND (NOT p2) p1))), (X (X (NOT (AND (NOT p2) p1)))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1))), (X (X (AND p2 (NOT p1)))), (X (X (NOT (AND p2 (NOT p1))))), (F (NOT (OR (NOT p2) (NOT p0)))), (F (NOT (OR p2 (NOT p0) p1))), (F p0), (F (NOT (OR (NOT p2) (NOT p1)))), (F (NOT (OR p2 (NOT p1)))), (F p2), (F (NOT (AND (NOT p2) (NOT p1)))), (F (NOT (OR p2 (NOT p0)))), (F (NOT (OR (NOT p2) p1))), (F p1)]
Knowledge based reduction with 16 factoid took 906 ms. Reduced automaton from 6 states, 22 edges and 3 AP (stutter insensitive) to 6 states, 22 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 226 ms :[p0, (AND p1 p2 p0), (AND p0 p1), p0, (AND p0 p2), (AND p0 p2)]
Stuttering acceptance computed with spot in 239 ms :[p0, (AND p1 p2 p0), (AND p0 p1), p0, (AND p0 p2), (AND p0 p2)]
Support contains 5 out of 19 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 19/19 places, 38/38 transitions.
Applied a total of 0 rules in 2 ms. Remains 19 /19 variables (removed 0) and now considering 38/38 (removed 0) transitions.
[2025-05-30 11:39:01] [INFO ] Flow matrix only has 32 transitions (discarded 6 similar events)
[2025-05-30 11:39:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:39:01] [INFO ] Implicit Places using invariants in 36 ms returned []
[2025-05-30 11:39:01] [INFO ] Flow matrix only has 32 transitions (discarded 6 similar events)
[2025-05-30 11:39:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:39:01] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-30 11:39:01] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 11:39:01] [INFO ] Redundant transitions in 1 ms returned []
Running 37 sub problems to find dead transitions.
[2025-05-30 11:39:01] [INFO ] Flow matrix only has 32 transitions (discarded 6 similar events)
[2025-05-30 11:39:01] [INFO ] Invariant cache hit.
[2025-05-30 11:39:01] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 1 (OVERLAPS) 1/19 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 3 (OVERLAPS) 31/50 variables, 19/23 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 6 (OVERLAPS) 1/51 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/51 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 8 (OVERLAPS) 0/51 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 37 unsolved
No progress, stopping.
After SMT solving in domain Real declared 51/51 variables, and 25 constraints, problems are : Problem set: 0 solved, 37 unsolved in 785 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 19/19 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 37/37 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 37 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 1 (OVERLAPS) 1/19 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 3 (OVERLAPS) 31/50 variables, 19/23 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 37/61 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/50 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 7 (OVERLAPS) 1/51 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/51 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 9 (OVERLAPS) 0/51 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 37 unsolved
No progress, stopping.
After SMT solving in domain Int declared 51/51 variables, and 62 constraints, problems are : Problem set: 0 solved, 37 unsolved in 915 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 19/19 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 37/37 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1713ms problems are : Problem set: 0 solved, 37 unsolved
Search for dead transitions found 0 dead transitions in 1716ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 1793 ms. Remains : 19/19 places, 38/38 transitions.
Computed a total of 4 stabilizing places and 4 stable transitions
Computed a total of 4 stabilizing places and 4 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p0)), (X p2), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT (AND p0 p1))), (X (NOT (AND p2 p1))), (X (NOT (AND (NOT p2) p1))), (X (NOT (AND p2 p0 p1))), (X (NOT p0)), (X (NOT p1)), (X (AND p2 (NOT p1))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND p2 p1)))), (X (X (NOT (AND p2 p0 p1)))), (X (X (NOT (AND (NOT p2) p0 (NOT p1)))))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (AND (NOT p2) p1))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (AND p2 p0))), (X (X (NOT (AND p2 p0)))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1))), (X (X (AND p2 (NOT p1)))), (X (X (NOT (AND p2 (NOT p1)))))]
Knowledge based reduction with 14 factoid took 530 ms. Reduced automaton from 6 states, 22 edges and 3 AP (stutter insensitive) to 6 states, 22 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 263 ms :[p0, (AND p1 p2 p0), (AND p0 p1), p0, (AND p0 p2), (AND p0 p2)]
RANDOM walk for 40000 steps (8 resets) in 125 ms. (317 steps per ms) remains 3/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 44 ms. (888 steps per ms) remains 2/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 43 ms. (909 steps per ms) remains 2/2 properties
[2025-05-30 11:39:04] [INFO ] Flow matrix only has 32 transitions (discarded 6 similar events)
[2025-05-30 11:39:04] [INFO ] Invariant cache hit.
[2025-05-30 11:39:04] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 10/15 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2/17 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/17 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 31/48 variables, 17/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/48 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/48 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem apf3 is UNSAT
Problem apf6 is UNSAT
After SMT solving in domain Real declared 50/51 variables, and 24 constraints, problems are : Problem set: 2 solved, 0 unsolved in 72 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 19/19 constraints, ReadFeed: 1/2 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 90ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 2 invariant AP formulas.
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p0)), (X p2), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT (AND p0 p1))), (X (NOT (AND p2 p1))), (X (NOT (AND (NOT p2) p1))), (X (NOT (AND p2 p0 p1))), (X (NOT p0)), (X (NOT p1)), (X (AND p2 (NOT p1))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND p2 p1)))), (X (X (NOT (AND p2 p0 p1)))), (X (X (NOT (AND (NOT p2) p0 (NOT p1))))), (G (OR (NOT p0) (NOT p1))), (G (OR (NOT p2) (NOT p0) (NOT p1)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (AND (NOT p2) p1))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (AND p2 p0))), (X (X (NOT (AND p2 p0)))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1))), (X (X (AND p2 (NOT p1)))), (X (X (NOT (AND p2 (NOT p1))))), (F (NOT (OR (NOT p2) (NOT p0)))), (F (NOT (OR p2 (NOT p0) p1))), (F p0), (F (NOT (OR (NOT p2) (NOT p1)))), (F (NOT (OR p2 (NOT p1)))), (F p2), (F (NOT (AND (NOT p2) (NOT p1)))), (F (NOT (OR p2 (NOT p0)))), (F (NOT (OR (NOT p2) p1))), (F p1)]
Knowledge based reduction with 16 factoid took 867 ms. Reduced automaton from 6 states, 22 edges and 3 AP (stutter insensitive) to 6 states, 22 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 233 ms :[p0, (AND p1 p2 p0), (AND p0 p1), p0, (AND p0 p2), (AND p0 p2)]
Stuttering acceptance computed with spot in 267 ms :[p0, (AND p1 p2 p0), (AND p0 p1), p0, (AND p0 p2), (AND p0 p2)]
Stuttering acceptance computed with spot in 244 ms :[p0, (AND p1 p2 p0), (AND p0 p1), p0, (AND p0 p2), (AND p0 p2)]
Product exploration explored 100000 steps with 0 reset in 103 ms.
Product exploration explored 100000 steps with 0 reset in 143 ms.
Built C files in :
/tmp/ltsmin5222467147132213961
[2025-05-30 11:39:06] [INFO ] Computing symmetric may disable matrix : 38 transitions.
[2025-05-30 11:39:06] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-30 11:39:06] [INFO ] Computing symmetric may enable matrix : 38 transitions.
[2025-05-30 11:39:06] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-30 11:39:06] [INFO ] Computing Do-Not-Accords matrix : 38 transitions.
[2025-05-30 11:39:06] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-30 11:39:06] [INFO ] Built C files in 18ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin5222467147132213961
Running compilation step : cd /tmp/ltsmin5222467147132213961;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 210 ms.
Running link step : cd /tmp/ltsmin5222467147132213961;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 51 ms.
Running LTSmin : cd /tmp/ltsmin5222467147132213961;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased11350234016432251523.hoa' '--buchi-type=spotba'
LTSmin run took 161 ms.
FORMULA CO4-PT-02-LTLFireability-06 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property CO4-PT-02-LTLFireability-06 finished in 8551 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))'
Support contains 6 out of 65 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 65/65 places, 159/159 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 13 place count 52 transition count 125
Iterating global reduction 0 with 13 rules applied. Total rules applied 26 place count 52 transition count 125
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 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 10 rules applied. Total rules applied 36 place count 52 transition count 115
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 37 place count 51 transition count 115
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 40 place count 48 transition count 106
Iterating global reduction 2 with 3 rules applied. Total rules applied 43 place count 48 transition count 106
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 44 place count 47 transition count 103
Iterating global reduction 2 with 1 rules applied. Total rules applied 45 place count 47 transition count 103
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 47 place count 47 transition count 101
Performed 2 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 51 place count 45 transition count 98
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 52 place count 45 transition count 97
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 53 place count 44 transition count 94
Iterating global reduction 4 with 1 rules applied. Total rules applied 54 place count 44 transition count 94
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 55 place count 43 transition count 91
Iterating global reduction 4 with 1 rules applied. Total rules applied 56 place count 43 transition count 91
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 58 place count 43 transition count 89
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 5 with 2 rules applied. Total rules applied 60 place count 42 transition count 90
Drop transitions (Redundant composition of simpler transitions.) removed 17 transitions
Redundant transition composition rules discarded 17 transitions
Iterating global reduction 5 with 17 rules applied. Total rules applied 77 place count 42 transition count 73
Applied a total of 77 rules in 16 ms. Remains 42 /65 variables (removed 23) and now considering 73/159 (removed 86) transitions.
[2025-05-30 11:39:06] [INFO ] Flow matrix only has 64 transitions (discarded 9 similar events)
// Phase 1: matrix 64 rows 42 cols
[2025-05-30 11:39:06] [INFO ] Computed 11 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:39:06] [INFO ] Implicit Places using invariants in 36 ms returned [23, 25, 26, 29]
[2025-05-30 11:39:06] [INFO ] Actually due to overlaps returned [29, 25, 26]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 37 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 39/65 places, 73/159 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 37 transition count 71
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 37 transition count 71
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 5 place count 37 transition count 70
Applied a total of 5 rules in 3 ms. Remains 37 /39 variables (removed 2) and now considering 70/73 (removed 3) transitions.
[2025-05-30 11:39:06] [INFO ] Flow matrix only has 61 transitions (discarded 9 similar events)
// Phase 1: matrix 61 rows 37 cols
[2025-05-30 11:39:06] [INFO ] Computed 8 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:39:06] [INFO ] Implicit Places using invariants in 36 ms returned [23]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 37 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 36/65 places, 70/159 transitions.
Applied a total of 0 rules in 4 ms. Remains 36 /36 variables (removed 0) and now considering 70/70 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 97 ms. Remains : 36/65 places, 70/159 transitions.
Stuttering acceptance computed with spot in 27 ms :[(NOT p0)]
Running random walk in product with property : CO4-PT-02-LTLFireability-07
Stuttering criterion allowed to conclude after 37 steps with 2 reset in 1 ms.
FORMULA CO4-PT-02-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CO4-PT-02-LTLFireability-07 finished in 136 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(p0)) U ((!p0&&X(X(p0)))||X(X(G(p0)))))))'
Support contains 2 out of 65 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 65/65 places, 159/159 transitions.
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 14 place count 51 transition count 124
Iterating global reduction 0 with 14 rules applied. Total rules applied 28 place count 51 transition count 124
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 37 place count 51 transition count 115
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 39 place count 49 transition count 109
Iterating global reduction 1 with 2 rules applied. Total rules applied 41 place count 49 transition count 109
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 42 place count 49 transition count 108
Applied a total of 42 rules in 4 ms. Remains 49 /65 variables (removed 16) and now considering 108/159 (removed 51) transitions.
[2025-05-30 11:39:06] [INFO ] Flow matrix only has 92 transitions (discarded 16 similar events)
// Phase 1: matrix 92 rows 49 cols
[2025-05-30 11:39:06] [INFO ] Computed 11 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:39:06] [INFO ] Implicit Places using invariants in 38 ms returned [28, 30, 31]
[2025-05-30 11:39:06] [INFO ] Actually due to overlaps returned [28]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 60 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 48/65 places, 108/159 transitions.
Applied a total of 0 rules in 1 ms. Remains 48 /48 variables (removed 0) and now considering 108/108 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 65 ms. Remains : 48/65 places, 108/159 transitions.
Stuttering acceptance computed with spot in 135 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Running random walk in product with property : CO4-PT-02-LTLFireability-08
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA CO4-PT-02-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CO4-PT-02-LTLFireability-08 finished in 216 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' '!((p0 U X(G(!p1))))'
Support contains 5 out of 65 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 65/65 places, 159/159 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 53 transition count 130
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 53 transition count 130
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 33 place count 53 transition count 121
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 34 place count 53 transition count 120
Applied a total of 34 rules in 4 ms. Remains 53 /65 variables (removed 12) and now considering 120/159 (removed 39) transitions.
[2025-05-30 11:39:07] [INFO ] Flow matrix only has 96 transitions (discarded 24 similar events)
// Phase 1: matrix 96 rows 53 cols
[2025-05-30 11:39:07] [INFO ] Computed 11 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:39:07] [INFO ] Implicit Places using invariants in 45 ms returned [32, 34, 35]
[2025-05-30 11:39:07] [INFO ] Actually due to overlaps returned [32]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 46 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 52/65 places, 120/159 transitions.
Applied a total of 0 rules in 1 ms. Remains 52 /52 variables (removed 0) and now considering 120/120 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 51 ms. Remains : 52/65 places, 120/159 transitions.
Stuttering acceptance computed with spot in 62 ms :[p1, p1, true]
Running random walk in product with property : CO4-PT-02-LTLFireability-09
Product exploration explored 100000 steps with 0 reset in 37 ms.
Product exploration explored 100000 steps with 0 reset in 92 ms.
Computed a total of 12 stabilizing places and 14 stable transitions
Computed a total of 12 stabilizing places and 14 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND p0 p1))), (X (NOT p0)), (X (NOT (AND p0 (NOT p1)))), (X (NOT p1)), (X (X (NOT (AND p0 p1)))), (X (X (NOT p0))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 9 factoid took 84 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 39 ms :[true, p1]
RANDOM walk for 161 steps (2 resets) in 5 ms. (26 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND p0 p1))), (X (NOT p0)), (X (NOT (AND p0 (NOT p1)))), (X (NOT p1)), (X (X (NOT (AND p0 p1)))), (X (X (NOT p0))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1)]
Property proved to be false thanks to negative knowledge :(F p1)
Knowledge based reduction with 9 factoid took 124 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA CO4-PT-02-LTLFireability-09 FALSE TECHNIQUES KNOWLEDGE
Treatment of property CO4-PT-02-LTLFireability-09 finished in 523 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 4 out of 65 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 65/65 places, 159/159 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 13 place count 52 transition count 127
Iterating global reduction 0 with 13 rules applied. Total rules applied 26 place count 52 transition count 127
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 34 place count 52 transition count 119
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 36 place count 50 transition count 113
Iterating global reduction 1 with 2 rules applied. Total rules applied 38 place count 50 transition count 113
Performed 3 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 1 with 6 rules applied. Total rules applied 44 place count 47 transition count 109
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 45 place count 47 transition count 108
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 47 place count 45 transition count 102
Iterating global reduction 2 with 2 rules applied. Total rules applied 49 place count 45 transition count 102
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 51 place count 43 transition count 96
Iterating global reduction 2 with 2 rules applied. Total rules applied 53 place count 43 transition count 96
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 57 place count 43 transition count 92
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 3 with 2 rules applied. Total rules applied 59 place count 42 transition count 93
Drop transitions (Redundant composition of simpler transitions.) removed 17 transitions
Redundant transition composition rules discarded 17 transitions
Iterating global reduction 3 with 17 rules applied. Total rules applied 76 place count 42 transition count 76
Applied a total of 76 rules in 9 ms. Remains 42 /65 variables (removed 23) and now considering 76/159 (removed 83) transitions.
[2025-05-30 11:39:07] [INFO ] Flow matrix only has 65 transitions (discarded 11 similar events)
// Phase 1: matrix 65 rows 42 cols
[2025-05-30 11:39:07] [INFO ] Computed 11 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:39:07] [INFO ] Implicit Places using invariants in 33 ms returned [23, 25, 26, 29]
[2025-05-30 11:39:07] [INFO ] Actually due to overlaps returned [29, 25, 26]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 34 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 39/65 places, 76/159 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 37 transition count 74
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 37 transition count 74
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 5 place count 37 transition count 73
Applied a total of 5 rules in 3 ms. Remains 37 /39 variables (removed 2) and now considering 73/76 (removed 3) transitions.
[2025-05-30 11:39:07] [INFO ] Flow matrix only has 62 transitions (discarded 11 similar events)
// Phase 1: matrix 62 rows 37 cols
[2025-05-30 11:39:07] [INFO ] Computed 8 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:39:07] [INFO ] Implicit Places using invariants in 29 ms returned [23]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 30 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 36/65 places, 73/159 transitions.
Graph (trivial) has 20 edges and 36 vertex of which 4 / 36 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.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 32 transition count 65
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 32 transition count 65
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 5 place count 32 transition count 63
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 7 place count 32 transition count 61
Applied a total of 7 rules in 5 ms. Remains 32 /36 variables (removed 4) and now considering 61/73 (removed 12) transitions.
[2025-05-30 11:39:07] [INFO ] Flow matrix only has 53 transitions (discarded 8 similar events)
// Phase 1: matrix 53 rows 32 cols
[2025-05-30 11:39:07] [INFO ] Computed 7 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:39:07] [INFO ] Implicit Places using invariants in 23 ms returned []
[2025-05-30 11:39:07] [INFO ] Flow matrix only has 53 transitions (discarded 8 similar events)
[2025-05-30 11:39:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:39:07] [INFO ] State equation strengthened by 15 read => feed constraints.
[2025-05-30 11:39:07] [INFO ] Implicit Places using invariants and state equation in 46 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 73 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 3 : 31/65 places, 61/159 transitions.
Graph (trivial) has 19 edges and 31 vertex of which 7 / 31 are part of one of the 2 SCC in 0 ms
Free SCC test removed 5 places
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 25 transition count 48
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 25 transition count 48
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 5 place count 25 transition count 46
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 7 place count 24 transition count 45
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 9 place count 24 transition count 43
Applied a total of 9 rules in 4 ms. Remains 24 /31 variables (removed 7) and now considering 43/61 (removed 18) transitions.
[2025-05-30 11:39:07] [INFO ] Flow matrix only has 37 transitions (discarded 6 similar events)
// Phase 1: matrix 37 rows 24 cols
[2025-05-30 11:39:07] [INFO ] Computed 6 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:39:07] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-05-30 11:39:07] [INFO ] Flow matrix only has 37 transitions (discarded 6 similar events)
[2025-05-30 11:39:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:39:07] [INFO ] State equation strengthened by 12 read => feed constraints.
[2025-05-30 11:39:07] [INFO ] Implicit Places using invariants and state equation in 48 ms returned []
Implicit Place search using SMT with State Equation took 93 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 4 : 24/65 places, 43/159 transitions.
Finished structural reductions in SI_LTL mode , in 4 iterations and 251 ms. Remains : 24/65 places, 43/159 transitions.
Stuttering acceptance computed with spot in 52 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CO4-PT-02-LTLFireability-10
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA CO4-PT-02-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CO4-PT-02-LTLFireability-10 finished in 314 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||X(p1)))&&F((p2&&G(p1)))))'
Support contains 4 out of 65 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 65/65 places, 159/159 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 53 transition count 129
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 53 transition count 129
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 30 place count 53 transition count 123
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 32 place count 51 transition count 117
Iterating global reduction 1 with 2 rules applied. Total rules applied 34 place count 51 transition count 117
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 35 place count 51 transition count 116
Applied a total of 35 rules in 7 ms. Remains 51 /65 variables (removed 14) and now considering 116/159 (removed 43) transitions.
[2025-05-30 11:39:07] [INFO ] Flow matrix only has 98 transitions (discarded 18 similar events)
// Phase 1: matrix 98 rows 51 cols
[2025-05-30 11:39:07] [INFO ] Computed 11 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:39:07] [INFO ] Implicit Places using invariants in 40 ms returned [29, 31, 32]
[2025-05-30 11:39:07] [INFO ] Actually due to overlaps returned [29]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 42 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 50/65 places, 116/159 transitions.
Applied a total of 0 rules in 1 ms. Remains 50 /50 variables (removed 0) and now considering 116/116 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 50 ms. Remains : 50/65 places, 116/159 transitions.
Stuttering acceptance computed with spot in 160 ms :[(OR (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p2)), (NOT p1), (NOT p1), true]
Running random walk in product with property : CO4-PT-02-LTLFireability-11
Product exploration explored 100000 steps with 0 reset in 117 ms.
Stack based approach found an accepted trace after 28 steps with 0 reset with depth 29 and stack size 29 in 0 ms.
FORMULA CO4-PT-02-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property CO4-PT-02-LTLFireability-11 finished in 361 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(G(p1))||p0)))'
Support contains 4 out of 65 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 65/65 places, 159/159 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 13 place count 52 transition count 127
Iterating global reduction 0 with 13 rules applied. Total rules applied 26 place count 52 transition count 127
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 35 place count 52 transition count 118
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 37 place count 50 transition count 112
Iterating global reduction 1 with 2 rules applied. Total rules applied 39 place count 50 transition count 112
Applied a total of 39 rules in 1 ms. Remains 50 /65 variables (removed 15) and now considering 112/159 (removed 47) transitions.
[2025-05-30 11:39:08] [INFO ] Flow matrix only has 94 transitions (discarded 18 similar events)
// Phase 1: matrix 94 rows 50 cols
[2025-05-30 11:39:08] [INFO ] Computed 11 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:39:08] [INFO ] Implicit Places using invariants in 34 ms returned [29, 31, 32]
[2025-05-30 11:39:08] [INFO ] Actually due to overlaps returned [29]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 48 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 49/65 places, 112/159 transitions.
Applied a total of 0 rules in 1 ms. Remains 49 /49 variables (removed 0) and now considering 112/112 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 50 ms. Remains : 49/65 places, 112/159 transitions.
Stuttering acceptance computed with spot in 114 ms :[true, (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : CO4-PT-02-LTLFireability-14
Product exploration explored 100000 steps with 50000 reset in 181 ms.
Product exploration explored 100000 steps with 50000 reset in 178 ms.
Computed a total of 12 stabilizing places and 14 stable transitions
Computed a total of 12 stabilizing places and 14 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X p0), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 17 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA CO4-PT-02-LTLFireability-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CO4-PT-02-LTLFireability-14 finished in 565 ms.
All properties solved by simple procedures.
Total runtime 14525 ms.

BK_STOP 1748605148869

--------------------
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-02"
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-02, 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-174854028300388"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CO4-PT-02.tgz
mv CO4-PT-02 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 ;