Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r044-tall-174854028400404.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is CO4-PT-04, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r044-tall-174854028400404
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 532K
-rw-r--r-- 1 mcc users 6.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 66K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K 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 13K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 143K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.7K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K 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 53K 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-04-LTLFireability-00
FORMULA_NAME CO4-PT-04-LTLFireability-01
FORMULA_NAME CO4-PT-04-LTLFireability-02
FORMULA_NAME CO4-PT-04-LTLFireability-03
FORMULA_NAME CO4-PT-04-LTLFireability-04
FORMULA_NAME CO4-PT-04-LTLFireability-05
FORMULA_NAME CO4-PT-04-LTLFireability-06
FORMULA_NAME CO4-PT-04-LTLFireability-07
FORMULA_NAME CO4-PT-04-LTLFireability-08
FORMULA_NAME CO4-PT-04-LTLFireability-09
FORMULA_NAME CO4-PT-04-LTLFireability-10
FORMULA_NAME CO4-PT-04-LTLFireability-11
FORMULA_NAME CO4-PT-04-LTLFireability-12
FORMULA_NAME CO4-PT-04-LTLFireability-13
FORMULA_NAME CO4-PT-04-LTLFireability-14
FORMULA_NAME CO4-PT-04-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748605232751

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-04
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-05-30 11:40:33] [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 11:40:33] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 11:40:34] [INFO ] Load time of PNML (sax parser for PT used): 67 ms
[2025-05-30 11:40:34] [INFO ] Transformed 101 places.
[2025-05-30 11:40:34] [INFO ] Transformed 246 transitions.
[2025-05-30 11:40:34] [INFO ] Found NUPN structural information;
[2025-05-30 11:40:34] [INFO ] Parsed PT model containing 101 places and 246 transitions and 716 arcs in 154 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 2 formulas.
Ensure Unique test removed 35 transitions
Reduce redundant transitions removed 35 transitions.
FORMULA CO4-PT-04-LTLFireability-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-04-LTLFireability-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 28 out of 101 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 101/101 places, 211/211 transitions.
Discarding 29 places :
Symmetric choice reduction at 0 with 29 rule applications. Total rules 29 place count 72 transition count 162
Iterating global reduction 0 with 29 rules applied. Total rules applied 58 place count 72 transition count 162
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 0 with 17 rules applied. Total rules applied 75 place count 72 transition count 145
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 76 place count 71 transition count 143
Iterating global reduction 1 with 1 rules applied. Total rules applied 77 place count 71 transition count 143
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 78 place count 70 transition count 141
Iterating global reduction 1 with 1 rules applied. Total rules applied 79 place count 70 transition count 141
Applied a total of 79 rules in 35 ms. Remains 70 /101 variables (removed 31) and now considering 141/211 (removed 70) transitions.
[2025-05-30 11:40:34] [INFO ] Flow matrix only has 108 transitions (discarded 33 similar events)
// Phase 1: matrix 108 rows 70 cols
[2025-05-30 11:40:34] [INFO ] Computed 7 invariants in 11 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:40:34] [INFO ] Implicit Places using invariants in 175 ms returned [2, 59]
[2025-05-30 11:40:34] [INFO ] Actually due to overlaps returned [59]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 204 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 69/101 places, 141/211 transitions.
Applied a total of 0 rules in 2 ms. Remains 69 /69 variables (removed 0) and now considering 141/141 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 255 ms. Remains : 69/101 places, 141/211 transitions.
Support contains 28 out of 69 places after structural reductions.
[2025-05-30 11:40:34] [INFO ] Flatten gal took : 30 ms
[2025-05-30 11:40:34] [INFO ] Flatten gal took : 12 ms
[2025-05-30 11:40:34] [INFO ] Input system was already deterministic with 141 transitions.
Support contains 27 out of 69 places (down from 28) after GAL structural reductions.
RANDOM walk for 40000 steps (8 resets) in 1828 ms. (21 steps per ms) remains 1/29 properties
BEST_FIRST walk for 40003 steps (8 resets) in 276 ms. (144 steps per ms) remains 1/1 properties
[2025-05-30 11:40:35] [INFO ] Flow matrix only has 108 transitions (discarded 33 similar events)
// Phase 1: matrix 108 rows 69 cols
[2025-05-30 11:40:35] [INFO ] Computed 6 invariants in 2 ms
[2025-05-30 11:40:35] [INFO ] State equation strengthened by 8 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 20/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 12/34 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/34 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 68/102 variables, 34/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/102 variables, 4/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/102 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 53/155 variables, 19/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/155 variables, 2/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/155 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 20/175 variables, 15/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/175 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/175 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 1/176 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/176 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/177 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/177 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/177 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 177/177 variables, and 83 constraints, problems are : Problem set: 0 solved, 1 unsolved in 125 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 69/69 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 20/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 12/34 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/34 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 68/102 variables, 34/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/102 variables, 4/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/102 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 53/155 variables, 19/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/155 variables, 2/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/155 variables, 1/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/155 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 20/175 variables, 15/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/175 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/175 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/176 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/176 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/177 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/177 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/177 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 177/177 variables, and 84 constraints, problems are : Problem set: 0 solved, 1 unsolved in 194 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 69/69 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 341ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 42 steps, including 6 resets, run visited all 1 properties in 2 ms. (steps per millisecond=21 )
Parikh walk visited 1 properties in 4 ms.
Computed a total of 8 stabilizing places and 8 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' '!((X(X(p0)) U ((!p0&&X(X(p0)))||X(X(G(p0))))))'
Support contains 1 out of 69 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 69/69 places, 141/141 transitions.
Discarding 18 places :
Symmetric choice reduction at 0 with 18 rule applications. Total rules 18 place count 51 transition count 109
Iterating global reduction 0 with 18 rules applied. Total rules applied 36 place count 51 transition count 109
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 41 place count 51 transition count 104
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 46 place count 46 transition count 94
Iterating global reduction 1 with 5 rules applied. Total rules applied 51 place count 46 transition count 94
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 53 place count 44 transition count 90
Iterating global reduction 1 with 2 rules applied. Total rules applied 55 place count 44 transition count 90
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 56 place count 44 transition count 89
Applied a total of 56 rules in 16 ms. Remains 44 /69 variables (removed 25) and now considering 89/141 (removed 52) transitions.
[2025-05-30 11:40:36] [INFO ] Flow matrix only has 77 transitions (discarded 12 similar events)
// Phase 1: matrix 77 rows 44 cols
[2025-05-30 11:40:36] [INFO ] Computed 6 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:40:36] [INFO ] Implicit Places using invariants in 36 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 38 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 43/69 places, 89/141 transitions.
Applied a total of 0 rules in 1 ms. Remains 43 /43 variables (removed 0) and now considering 89/89 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 55 ms. Remains : 43/69 places, 89/141 transitions.
Stuttering acceptance computed with spot in 213 ms :[(NOT p0), (NOT p0), (NOT p0), true]
Running random walk in product with property : CO4-PT-04-LTLFireability-01
Entered a terminal (fully accepting) state of product in 26 steps with 4 reset in 2 ms.
FORMULA CO4-PT-04-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CO4-PT-04-LTLFireability-01 finished in 336 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 1 out of 69 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 69/69 places, 141/141 transitions.
Graph (trivial) has 65 edges and 69 vertex of which 7 / 69 are part of one of the 1 SCC in 3 ms
Free SCC test removed 6 places
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Reduce places removed 1 places and 1 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 3 place count 62 transition count 122
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 5 place count 60 transition count 122
Discarding 14 places :
Symmetric choice reduction at 2 with 14 rule applications. Total rules 19 place count 46 transition count 95
Iterating global reduction 2 with 14 rules applied. Total rules applied 33 place count 46 transition count 95
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 37 place count 46 transition count 91
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 41 place count 42 transition count 83
Iterating global reduction 3 with 4 rules applied. Total rules applied 45 place count 42 transition count 83
Performed 5 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 55 place count 37 transition count 77
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 57 place count 35 transition count 73
Iterating global reduction 3 with 2 rules applied. Total rules applied 59 place count 35 transition count 73
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 61 place count 33 transition count 69
Iterating global reduction 3 with 2 rules applied. Total rules applied 63 place count 33 transition count 69
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 65 place count 33 transition count 67
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 75 place count 33 transition count 57
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 4 with 4 rules applied. Total rules applied 79 place count 31 transition count 55
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 4 with 8 rules applied. Total rules applied 87 place count 31 transition count 47
Graph (complete) has 97 edges and 31 vertex of which 30 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 4 with 3 rules applied. Total rules applied 90 place count 30 transition count 44
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 92 place count 28 transition count 44
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 6 with 6 rules applied. Total rules applied 98 place count 25 transition count 41
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 100 place count 25 transition count 39
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 102 place count 23 transition count 37
Iterating global reduction 7 with 2 rules applied. Total rules applied 104 place count 23 transition count 37
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 7 with 2 rules applied. Total rules applied 106 place count 23 transition count 35
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 8 with 1 rules applied. Total rules applied 107 place count 23 transition count 34
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 1 Pre rules applied. Total rules applied 107 place count 23 transition count 33
Deduced a syphon composed of 1 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 8 with 3 rules applied. Total rules applied 110 place count 21 transition count 33
Applied a total of 110 rules in 40 ms. Remains 21 /69 variables (removed 48) and now considering 33/141 (removed 108) transitions.
[2025-05-30 11:40:36] [INFO ] Flow matrix only has 26 transitions (discarded 7 similar events)
// Phase 1: matrix 26 rows 21 cols
[2025-05-30 11:40:36] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:40:36] [INFO ] Implicit Places using invariants in 55 ms returned [17, 20]
[2025-05-30 11:40:36] [INFO ] Actually due to overlaps returned [17]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 63 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 20/69 places, 33/141 transitions.
Graph (trivial) has 19 edges and 20 vertex of which 4 / 20 are part of one of the 1 SCC in 0 ms
Free SCC test removed 3 places
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 17 transition count 25
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 16 transition count 25
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 4 place count 16 transition count 24
Applied a total of 4 rules in 2 ms. Remains 16 /20 variables (removed 4) and now considering 24/33 (removed 9) transitions.
[2025-05-30 11:40:36] [INFO ] Flow matrix only has 19 transitions (discarded 5 similar events)
// Phase 1: matrix 19 rows 16 cols
[2025-05-30 11:40:36] [INFO ] Computed 4 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:40:36] [INFO ] Implicit Places using invariants in 21 ms returned [15]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 22 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 15/69 places, 24/141 transitions.
Applied a total of 0 rules in 2 ms. Remains 15 /15 variables (removed 0) and now considering 24/24 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 133 ms. Remains : 15/69 places, 24/141 transitions.
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
Running random walk in product with property : CO4-PT-04-LTLFireability-02
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA CO4-PT-04-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CO4-PT-04-LTLFireability-02 finished in 182 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 p1)&&G(p0)) U X((F(G(p1)) U !p2))))'
Support contains 5 out of 69 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 69/69 places, 141/141 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 53 transition count 113
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 53 transition count 113
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 37 place count 53 transition count 108
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 42 place count 48 transition count 98
Iterating global reduction 1 with 5 rules applied. Total rules applied 47 place count 48 transition count 98
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 49 place count 46 transition count 94
Iterating global reduction 1 with 2 rules applied. Total rules applied 51 place count 46 transition count 94
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 52 place count 46 transition count 93
Applied a total of 52 rules in 16 ms. Remains 46 /69 variables (removed 23) and now considering 93/141 (removed 48) transitions.
[2025-05-30 11:40:36] [INFO ] Flow matrix only has 79 transitions (discarded 14 similar events)
// Phase 1: matrix 79 rows 46 cols
[2025-05-30 11:40:36] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:40:36] [INFO ] Implicit Places using invariants in 36 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 37 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 45/69 places, 93/141 transitions.
Applied a total of 0 rules in 1 ms. Remains 45 /45 variables (removed 0) and now considering 93/93 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 55 ms. Remains : 45/69 places, 93/141 transitions.
Stuttering acceptance computed with spot in 278 ms :[p2, p2, (AND p0 (NOT p1) p2), p2, (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : CO4-PT-04-LTLFireability-03
Product exploration explored 100000 steps with 50000 reset in 289 ms.
Product exploration explored 100000 steps with 50000 reset in 178 ms.
Computed a total of 7 stabilizing places and 8 stable transitions
Computed a total of 7 stabilizing places and 8 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (NOT p2)), (X (NOT (AND p0 p2))), (X (NOT (AND (NOT p0) p2))), (X (NOT (AND (NOT p1) p0 p2))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p0 p2)))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p1) p0 p2)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 15 factoid took 35 ms. Reduced automaton from 7 states, 17 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA CO4-PT-04-LTLFireability-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CO4-PT-04-LTLFireability-03 finished in 867 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((G(p0)||X((p1||F(G(p1))))))))'
Support contains 3 out of 69 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 69/69 places, 141/141 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 17 place count 52 transition count 111
Iterating global reduction 0 with 17 rules applied. Total rules applied 34 place count 52 transition count 111
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 39 place count 52 transition count 106
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 43 place count 48 transition count 98
Iterating global reduction 1 with 4 rules applied. Total rules applied 47 place count 48 transition count 98
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 49 place count 46 transition count 94
Iterating global reduction 1 with 2 rules applied. Total rules applied 51 place count 46 transition count 94
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 52 place count 46 transition count 93
Applied a total of 52 rules in 8 ms. Remains 46 /69 variables (removed 23) and now considering 93/141 (removed 48) transitions.
[2025-05-30 11:40:37] [INFO ] Flow matrix only has 79 transitions (discarded 14 similar events)
// Phase 1: matrix 79 rows 46 cols
[2025-05-30 11:40:37] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:40:37] [INFO ] Implicit Places using invariants in 43 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 44 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 45/69 places, 93/141 transitions.
Applied a total of 0 rules in 1 ms. Remains 45 /45 variables (removed 0) and now considering 93/93 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 54 ms. Remains : 45/69 places, 93/141 transitions.
Stuttering acceptance computed with spot in 199 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), false]
Running random walk in product with property : CO4-PT-04-LTLFireability-04
Product exploration explored 100000 steps with 3 reset in 140 ms.
Stack based approach found an accepted trace after 40 steps with 2 reset with depth 33 and stack size 30 in 0 ms.
FORMULA CO4-PT-04-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property CO4-PT-04-LTLFireability-04 finished in 411 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(p0))))'
Support contains 1 out of 69 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 69/69 places, 141/141 transitions.
Discarding 18 places :
Symmetric choice reduction at 0 with 18 rule applications. Total rules 18 place count 51 transition count 109
Iterating global reduction 0 with 18 rules applied. Total rules applied 36 place count 51 transition count 109
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 41 place count 51 transition count 104
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 46 place count 46 transition count 94
Iterating global reduction 1 with 5 rules applied. Total rules applied 51 place count 46 transition count 94
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 53 place count 44 transition count 90
Iterating global reduction 1 with 2 rules applied. Total rules applied 55 place count 44 transition count 90
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 56 place count 44 transition count 89
Applied a total of 56 rules in 5 ms. Remains 44 /69 variables (removed 25) and now considering 89/141 (removed 52) transitions.
[2025-05-30 11:40:38] [INFO ] Flow matrix only has 77 transitions (discarded 12 similar events)
// Phase 1: matrix 77 rows 44 cols
[2025-05-30 11:40:38] [INFO ] Computed 6 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:40:38] [INFO ] Implicit Places using invariants in 47 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 54 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 43/69 places, 89/141 transitions.
Applied a total of 0 rules in 1 ms. Remains 43 /43 variables (removed 0) and now considering 89/89 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 60 ms. Remains : 43/69 places, 89/141 transitions.
Stuttering acceptance computed with spot in 89 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : CO4-PT-04-LTLFireability-05
Entered a terminal (fully accepting) state of product in 6 steps with 0 reset in 0 ms.
FORMULA CO4-PT-04-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CO4-PT-04-LTLFireability-05 finished in 167 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(p0) U X(p1))||X(X(p2))))'
Support contains 3 out of 69 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 69/69 places, 141/141 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 53 transition count 112
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 53 transition count 112
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 37 place count 53 transition count 107
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 42 place count 48 transition count 97
Iterating global reduction 1 with 5 rules applied. Total rules applied 47 place count 48 transition count 97
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 49 place count 46 transition count 93
Iterating global reduction 1 with 2 rules applied. Total rules applied 51 place count 46 transition count 93
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 52 place count 46 transition count 92
Applied a total of 52 rules in 7 ms. Remains 46 /69 variables (removed 23) and now considering 92/141 (removed 49) transitions.
[2025-05-30 11:40:38] [INFO ] Flow matrix only has 79 transitions (discarded 13 similar events)
// Phase 1: matrix 79 rows 46 cols
[2025-05-30 11:40:38] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:40:38] [INFO ] Implicit Places using invariants in 35 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 37 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 45/69 places, 92/141 transitions.
Applied a total of 0 rules in 1 ms. Remains 45 /45 variables (removed 0) and now considering 92/92 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 45 ms. Remains : 45/69 places, 92/141 transitions.
Stuttering acceptance computed with spot in 256 ms :[(NOT p0), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (NOT p1)), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2)]
Running random walk in product with property : CO4-PT-04-LTLFireability-06
Entered a terminal (fully accepting) state of product in 32 steps with 10 reset in 0 ms.
FORMULA CO4-PT-04-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CO4-PT-04-LTLFireability-06 finished in 325 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(p1))))'
Support contains 5 out of 69 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 69/69 places, 141/141 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 69 transition count 140
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 68 transition count 140
Discarding 17 places :
Symmetric choice reduction at 2 with 17 rule applications. Total rules 19 place count 51 transition count 108
Iterating global reduction 2 with 17 rules applied. Total rules applied 36 place count 51 transition count 108
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 41 place count 51 transition count 103
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 45 place count 47 transition count 95
Iterating global reduction 3 with 4 rules applied. Total rules applied 49 place count 47 transition count 95
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 3 with 6 rules applied. Total rules applied 55 place count 44 transition count 92
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 57 place count 42 transition count 88
Iterating global reduction 3 with 2 rules applied. Total rules applied 59 place count 42 transition count 88
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 61 place count 40 transition count 84
Iterating global reduction 3 with 2 rules applied. Total rules applied 63 place count 40 transition count 84
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 65 place count 40 transition count 82
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 75 place count 40 transition count 72
Applied a total of 75 rules in 18 ms. Remains 40 /69 variables (removed 29) and now considering 72/141 (removed 69) transitions.
[2025-05-30 11:40:38] [INFO ] Flow matrix only has 61 transitions (discarded 11 similar events)
// Phase 1: matrix 61 rows 40 cols
[2025-05-30 11:40:38] [INFO ] Computed 6 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:40:38] [INFO ] Implicit Places using invariants in 29 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 31 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 39/69 places, 72/141 transitions.
Applied a total of 0 rules in 2 ms. Remains 39 /39 variables (removed 0) and now considering 72/72 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 51 ms. Remains : 39/69 places, 72/141 transitions.
Stuttering acceptance computed with spot in 97 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : CO4-PT-04-LTLFireability-07
Product exploration explored 100000 steps with 1 reset in 139 ms.
Stack based approach found an accepted trace after 19 steps with 0 reset with depth 20 and stack size 20 in 1 ms.
FORMULA CO4-PT-04-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property CO4-PT-04-LTLFireability-07 finished in 306 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((G(p1)||p0))||X(F(p2)))))'
Support contains 5 out of 69 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 69/69 places, 141/141 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 69 transition count 140
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 2 rules applied. Total rules applied 3 place count 68 transition count 139
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 4 place count 67 transition count 139
Discarding 17 places :
Symmetric choice reduction at 3 with 17 rule applications. Total rules 21 place count 50 transition count 107
Iterating global reduction 3 with 17 rules applied. Total rules applied 38 place count 50 transition count 107
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 3 with 5 rules applied. Total rules applied 43 place count 50 transition count 102
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 47 place count 46 transition count 94
Iterating global reduction 4 with 4 rules applied. Total rules applied 51 place count 46 transition count 94
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 4 with 6 rules applied. Total rules applied 57 place count 43 transition count 91
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 59 place count 41 transition count 87
Iterating global reduction 4 with 2 rules applied. Total rules applied 61 place count 41 transition count 87
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 63 place count 39 transition count 83
Iterating global reduction 4 with 2 rules applied. Total rules applied 65 place count 39 transition count 83
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 67 place count 39 transition count 81
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 77 place count 39 transition count 71
Applied a total of 77 rules in 16 ms. Remains 39 /69 variables (removed 30) and now considering 71/141 (removed 70) transitions.
[2025-05-30 11:40:38] [INFO ] Flow matrix only has 60 transitions (discarded 11 similar events)
// Phase 1: matrix 60 rows 39 cols
[2025-05-30 11:40:38] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:40:38] [INFO ] Implicit Places using invariants in 28 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 29 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 38/69 places, 71/141 transitions.
Applied a total of 0 rules in 3 ms. Remains 38 /38 variables (removed 0) and now considering 71/71 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 48 ms. Remains : 38/69 places, 71/141 transitions.
Stuttering acceptance computed with spot in 69 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2))]
Running random walk in product with property : CO4-PT-04-LTLFireability-08
Product exploration explored 100000 steps with 3 reset in 161 ms.
Stack based approach found an accepted trace after 59 steps with 4 reset with depth 14 and stack size 14 in 0 ms.
FORMULA CO4-PT-04-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property CO4-PT-04-LTLFireability-08 finished in 300 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F((G((p0||F(p1)))&&X(p2)))||X(p3)))'
Support contains 5 out of 69 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 69/69 places, 141/141 transitions.
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 14 place count 55 transition count 116
Iterating global reduction 0 with 14 rules applied. Total rules applied 28 place count 55 transition count 116
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 32 place count 55 transition count 112
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 37 place count 50 transition count 102
Iterating global reduction 1 with 5 rules applied. Total rules applied 42 place count 50 transition count 102
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 44 place count 48 transition count 98
Iterating global reduction 1 with 2 rules applied. Total rules applied 46 place count 48 transition count 98
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 47 place count 48 transition count 97
Applied a total of 47 rules in 2 ms. Remains 48 /69 variables (removed 21) and now considering 97/141 (removed 44) transitions.
[2025-05-30 11:40:39] [INFO ] Flow matrix only has 82 transitions (discarded 15 similar events)
// Phase 1: matrix 82 rows 48 cols
[2025-05-30 11:40:39] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:40:39] [INFO ] Implicit Places using invariants in 44 ms returned [2]
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 : 47/69 places, 97/141 transitions.
Applied a total of 0 rules in 0 ms. Remains 47 /47 variables (removed 0) and now considering 97/97 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 48 ms. Remains : 47/69 places, 97/141 transitions.
Stuttering acceptance computed with spot in 334 ms :[(OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p2) (NOT p3))), (AND p0 (NOT p1) (NOT p3) (NOT p2)), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p2) (NOT p3))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2))), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1)), (NOT p2)]
Running random walk in product with property : CO4-PT-04-LTLFireability-09
Product exploration explored 100000 steps with 50000 reset in 128 ms.
Product exploration explored 100000 steps with 50000 reset in 145 ms.
Computed a total of 7 stabilizing places and 8 stable transitions
Computed a total of 7 stabilizing places and 8 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1) p3 (NOT p2)), (X (NOT p2)), (X p3), (X (NOT (AND (NOT p3) (NOT p2)))), (X (NOT (AND p0 (NOT p1) (NOT p3)))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p3)))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p0 (NOT p1) (NOT p2))))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (AND (NOT p0) (NOT p1) (NOT p2)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 15 factoid took 12 ms. Reduced automaton from 8 states, 20 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA CO4-PT-04-LTLFireability-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CO4-PT-04-LTLFireability-09 finished in 694 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(G(p0))&&F((p1 U (p2||G(p1)))))))'
Support contains 3 out of 69 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 69/69 places, 141/141 transitions.
Graph (trivial) has 61 edges and 69 vertex of which 6 / 69 are part of one of the 1 SCC in 0 ms
Free SCC test removed 5 places
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 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 3 place count 64 transition count 126
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 5 place count 62 transition count 126
Discarding 14 places :
Symmetric choice reduction at 2 with 14 rule applications. Total rules 19 place count 48 transition count 99
Iterating global reduction 2 with 14 rules applied. Total rules applied 33 place count 48 transition count 99
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 36 place count 48 transition count 96
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 41 place count 43 transition count 86
Iterating global reduction 3 with 5 rules applied. Total rules applied 46 place count 43 transition count 86
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 54 place count 39 transition count 82
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 55 place count 39 transition count 81
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 57 place count 37 transition count 77
Iterating global reduction 4 with 2 rules applied. Total rules applied 59 place count 37 transition count 77
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 61 place count 35 transition count 73
Iterating global reduction 4 with 2 rules applied. Total rules applied 63 place count 35 transition count 73
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 65 place count 35 transition count 71
Drop transitions (Redundant composition of simpler transitions.) removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 5 with 7 rules applied. Total rules applied 72 place count 35 transition count 64
Applied a total of 72 rules in 8 ms. Remains 35 /69 variables (removed 34) and now considering 64/141 (removed 77) transitions.
[2025-05-30 11:40:39] [INFO ] Flow matrix only has 53 transitions (discarded 11 similar events)
// Phase 1: matrix 53 rows 35 cols
[2025-05-30 11:40:39] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:40:39] [INFO ] Implicit Places using invariants in 163 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 164 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 34/69 places, 64/141 transitions.
Applied a total of 0 rules in 1 ms. Remains 34 /34 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 173 ms. Remains : 34/69 places, 64/141 transitions.
Stuttering acceptance computed with spot in 124 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p1))]
Running random walk in product with property : CO4-PT-04-LTLFireability-10
Product exploration explored 100000 steps with 0 reset in 137 ms.
Stack based approach found an accepted trace after 83 steps with 0 reset with depth 84 and stack size 45 in 0 ms.
FORMULA CO4-PT-04-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property CO4-PT-04-LTLFireability-10 finished in 448 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((F(p0) U X(p1)))&&(!p0 U p1)))'
Support contains 2 out of 69 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 69/69 places, 141/141 transitions.
Discarding 18 places :
Symmetric choice reduction at 0 with 18 rule applications. Total rules 18 place count 51 transition count 109
Iterating global reduction 0 with 18 rules applied. Total rules applied 36 place count 51 transition count 109
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 41 place count 51 transition count 104
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 46 place count 46 transition count 94
Iterating global reduction 1 with 5 rules applied. Total rules applied 51 place count 46 transition count 94
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 53 place count 44 transition count 90
Iterating global reduction 1 with 2 rules applied. Total rules applied 55 place count 44 transition count 90
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 56 place count 44 transition count 89
Applied a total of 56 rules in 4 ms. Remains 44 /69 variables (removed 25) and now considering 89/141 (removed 52) transitions.
[2025-05-30 11:40:40] [INFO ] Flow matrix only has 77 transitions (discarded 12 similar events)
// Phase 1: matrix 77 rows 44 cols
[2025-05-30 11:40:40] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:40:40] [INFO ] Implicit Places using invariants in 238 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 239 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 43/69 places, 89/141 transitions.
Applied a total of 0 rules in 1 ms. Remains 43 /43 variables (removed 0) and now considering 89/89 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 244 ms. Remains : 43/69 places, 89/141 transitions.
Stuttering acceptance computed with spot in 206 ms :[(NOT p1), true, (NOT p1), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p0)]
Running random walk in product with property : CO4-PT-04-LTLFireability-11
Entered a terminal (fully accepting) state of product in 315 steps with 25 reset in 2 ms.
FORMULA CO4-PT-04-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CO4-PT-04-LTLFireability-11 finished in 470 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 2 out of 69 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 69/69 places, 141/141 transitions.
Graph (trivial) has 64 edges and 69 vertex of which 7 / 69 are part of one of the 1 SCC in 1 ms
Free SCC test removed 6 places
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 62 transition count 123
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 61 transition count 123
Discarding 13 places :
Symmetric choice reduction at 2 with 13 rule applications. Total rules 16 place count 48 transition count 98
Iterating global reduction 2 with 13 rules applied. Total rules applied 29 place count 48 transition count 98
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 32 place count 48 transition count 95
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 36 place count 44 transition count 87
Iterating global reduction 3 with 4 rules applied. Total rules applied 40 place count 44 transition count 87
Performed 5 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 50 place count 39 transition count 81
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 52 place count 37 transition count 77
Iterating global reduction 3 with 2 rules applied. Total rules applied 54 place count 37 transition count 77
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 56 place count 35 transition count 73
Iterating global reduction 3 with 2 rules applied. Total rules applied 58 place count 35 transition count 73
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 60 place count 35 transition count 71
Drop transitions (Redundant composition of simpler transitions.) removed 11 transitions
Redundant transition composition rules discarded 11 transitions
Iterating global reduction 4 with 11 rules applied. Total rules applied 71 place count 35 transition count 60
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 4 with 4 rules applied. Total rules applied 75 place count 33 transition count 58
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 85 place count 33 transition count 48
Graph (complete) has 97 edges and 33 vertex of which 32 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 4 with 4 rules applied. Total rules applied 89 place count 32 transition count 44
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 4 rules applied. Total rules applied 93 place count 29 transition count 43
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 1 Pre rules applied. Total rules applied 93 place count 29 transition count 42
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 95 place count 28 transition count 42
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 6 with 4 rules applied. Total rules applied 99 place count 26 transition count 40
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 100 place count 26 transition count 39
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 101 place count 25 transition count 38
Iterating global reduction 7 with 1 rules applied. Total rules applied 102 place count 25 transition count 38
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 103 place count 25 transition count 37
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 8 with 1 rules applied. Total rules applied 104 place count 25 transition count 36
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 1 Pre rules applied. Total rules applied 104 place count 25 transition count 35
Deduced a syphon composed of 1 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 8 with 3 rules applied. Total rules applied 107 place count 23 transition count 35
Applied a total of 107 rules in 16 ms. Remains 23 /69 variables (removed 46) and now considering 35/141 (removed 106) transitions.
[2025-05-30 11:40:40] [INFO ] Flow matrix only has 29 transitions (discarded 6 similar events)
// Phase 1: matrix 29 rows 23 cols
[2025-05-30 11:40:40] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:40:40] [INFO ] Implicit Places using invariants in 34 ms returned [19, 22]
[2025-05-30 11:40:40] [INFO ] Actually due to overlaps returned [19]
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 1 : 22/69 places, 35/141 transitions.
Graph (trivial) has 17 edges and 22 vertex of which 5 / 22 are part of one of the 1 SCC in 0 ms
Free SCC test removed 4 places
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
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 2 place count 18 transition count 26
Applied a total of 2 rules in 1 ms. Remains 18 /22 variables (removed 4) and now considering 26/35 (removed 9) transitions.
[2025-05-30 11:40:40] [INFO ] Flow matrix only has 22 transitions (discarded 4 similar events)
// Phase 1: matrix 22 rows 18 cols
[2025-05-30 11:40:40] [INFO ] Computed 4 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:40:40] [INFO ] Implicit Places using invariants in 27 ms returned [17]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 28 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 17/69 places, 26/141 transitions.
Applied a total of 0 rules in 0 ms. Remains 17 /17 variables (removed 0) and now considering 26/26 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 81 ms. Remains : 17/69 places, 26/141 transitions.
Stuttering acceptance computed with spot in 87 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : CO4-PT-04-LTLFireability-12
Product exploration explored 100000 steps with 0 reset in 71 ms.
Product exploration explored 100000 steps with 0 reset in 193 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 p0 p1), (X p0), (X p1), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 90 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 101 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
RANDOM walk for 40000 steps (14 resets) in 192 ms. (207 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40001 steps (8 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
[2025-05-30 11:40:41] [INFO ] Flow matrix only has 22 transitions (discarded 4 similar events)
// Phase 1: matrix 22 rows 17 cols
[2025-05-30 11:40:41] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 3/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 9/18 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/18 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/28 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/28 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 10/38 variables, 5/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/38 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/38 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 38/39 variables, and 20 constraints, problems are : Problem set: 0 solved, 1 unsolved in 37 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 3/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 9/18 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/18 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/28 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/28 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/28 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 10/38 variables, 5/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/38 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/38 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 38/39 variables, and 21 constraints, problems are : Problem set: 0 solved, 1 unsolved in 88 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 128ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 167 steps, including 39 resets, run visited all 1 properties in 1 ms. (steps per millisecond=167 )
Parikh walk visited 1 properties in 0 ms.
Knowledge obtained : [(AND p0 p1), (X p0), (X p1), (X (X p0)), (X (X p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT p0))]
Knowledge based reduction with 5 factoid took 117 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 97 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 88 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Support contains 2 out of 17 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 17/17 places, 26/26 transitions.
Applied a total of 0 rules in 1 ms. Remains 17 /17 variables (removed 0) and now considering 26/26 (removed 0) transitions.
[2025-05-30 11:40:41] [INFO ] Flow matrix only has 22 transitions (discarded 4 similar events)
[2025-05-30 11:40:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:40:41] [INFO ] Implicit Places using invariants in 18 ms returned []
[2025-05-30 11:40:41] [INFO ] Flow matrix only has 22 transitions (discarded 4 similar events)
[2025-05-30 11:40:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:40:41] [INFO ] Implicit Places using invariants and state equation in 34 ms returned [10]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 53 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 16/17 places, 26/26 transitions.
Graph (trivial) has 12 edges and 16 vertex of which 7 / 16 are part of one of the 3 SCC in 0 ms
Free SCC test removed 4 places
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Applied a total of 1 rules in 1 ms. Remains 12 /16 variables (removed 4) and now considering 20/26 (removed 6) transitions.
[2025-05-30 11:40:41] [INFO ] Flow matrix only has 15 transitions (discarded 5 similar events)
// Phase 1: matrix 15 rows 12 cols
[2025-05-30 11:40:41] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:40:41] [INFO ] Implicit Places using invariants in 20 ms returned []
[2025-05-30 11:40:41] [INFO ] Flow matrix only has 15 transitions (discarded 5 similar events)
[2025-05-30 11:40:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:40:42] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 12/17 places, 20/26 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 100 ms. Remains : 12/17 places, 20/26 transitions.
Computed a total of 3 stabilizing places and 4 stable transitions
Computed a total of 3 stabilizing places and 4 stable transitions
Knowledge obtained : [(AND p0 p1), (X p0), (X p1), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 77 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 118 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
RANDOM walk for 6706 steps (2 resets) in 35 ms. (186 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND p0 p1), (X p0), (X p1), (X (X p0)), (X (X p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT p0))]
Knowledge based reduction with 5 factoid took 113 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 94 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 123 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 100 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering criterion allowed to conclude after 26 steps with 0 reset in 1 ms.
FORMULA CO4-PT-04-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CO4-PT-04-LTLFireability-12 finished in 1986 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F((G(p2)&&p1)))))'
Support contains 4 out of 69 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 69/69 places, 141/141 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 69 transition count 139
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 67 transition count 139
Discarding 18 places :
Symmetric choice reduction at 2 with 18 rule applications. Total rules 22 place count 49 transition count 105
Iterating global reduction 2 with 18 rules applied. Total rules applied 40 place count 49 transition count 105
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 45 place count 49 transition count 100
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 49 place count 45 transition count 92
Iterating global reduction 3 with 4 rules applied. Total rules applied 53 place count 45 transition count 92
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 61 place count 41 transition count 88
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 63 place count 39 transition count 84
Iterating global reduction 3 with 2 rules applied. Total rules applied 65 place count 39 transition count 84
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 67 place count 37 transition count 80
Iterating global reduction 3 with 2 rules applied. Total rules applied 69 place count 37 transition count 80
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 70 place count 37 transition count 79
Drop transitions (Redundant composition of simpler transitions.) removed 14 transitions
Redundant transition composition rules discarded 14 transitions
Iterating global reduction 4 with 14 rules applied. Total rules applied 84 place count 37 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 4 with 2 rules applied. Total rules applied 86 place count 36 transition count 64
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 87 place count 36 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 4 with 2 rules applied. Total rules applied 89 place count 35 transition count 62
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 90 place count 35 transition count 61
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 90 place count 35 transition count 60
Deduced a syphon composed of 1 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 3 rules applied. Total rules applied 93 place count 33 transition count 60
Applied a total of 93 rules in 10 ms. Remains 33 /69 variables (removed 36) and now considering 60/141 (removed 81) transitions.
[2025-05-30 11:40:42] [INFO ] Flow matrix only has 49 transitions (discarded 11 similar events)
// Phase 1: matrix 49 rows 33 cols
[2025-05-30 11:40:42] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:40:42] [INFO ] Implicit Places using invariants in 34 ms returned [29, 32]
[2025-05-30 11:40:42] [INFO ] Actually due to overlaps returned [29]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 35 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 32/69 places, 60/141 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 32 transition count 58
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 30 transition count 57
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 6 place count 30 transition count 56
Applied a total of 6 rules in 3 ms. Remains 30 /32 variables (removed 2) and now considering 56/60 (removed 4) transitions.
[2025-05-30 11:40:42] [INFO ] Flow matrix only has 45 transitions (discarded 11 similar events)
// Phase 1: matrix 45 rows 30 cols
[2025-05-30 11:40:42] [INFO ] Computed 4 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:40:42] [INFO ] Implicit Places using invariants in 31 ms returned [29]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 44 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 29/69 places, 56/141 transitions.
Applied a total of 0 rules in 1 ms. Remains 29 /29 variables (removed 0) and now considering 56/56 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 93 ms. Remains : 29/69 places, 56/141 transitions.
Stuttering acceptance computed with spot in 145 ms :[(OR (NOT p0) (NOT p1) (NOT p2)), (NOT p0), (OR (NOT p2) (NOT p1)), (NOT p2)]
Running random walk in product with property : CO4-PT-04-LTLFireability-13
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA CO4-PT-04-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CO4-PT-04-LTLFireability-13 finished in 250 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((X(X(p1))||p0))||F(p2)))'
Support contains 6 out of 69 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 69/69 places, 141/141 transitions.
Discarding 15 places :
Symmetric choice reduction at 0 with 15 rule applications. Total rules 15 place count 54 transition count 115
Iterating global reduction 0 with 15 rules applied. Total rules applied 30 place count 54 transition count 115
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 34 place count 54 transition count 111
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 37 place count 51 transition count 105
Iterating global reduction 1 with 3 rules applied. Total rules applied 40 place count 51 transition count 105
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 42 place count 49 transition count 101
Iterating global reduction 1 with 2 rules applied. Total rules applied 44 place count 49 transition count 101
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 45 place count 49 transition count 100
Applied a total of 45 rules in 3 ms. Remains 49 /69 variables (removed 20) and now considering 100/141 (removed 41) transitions.
[2025-05-30 11:40:42] [INFO ] Flow matrix only has 83 transitions (discarded 17 similar events)
// Phase 1: matrix 83 rows 49 cols
[2025-05-30 11:40:42] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 11:40:42] [INFO ] Implicit Places using invariants in 34 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 35 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 48/69 places, 100/141 transitions.
Applied a total of 0 rules in 0 ms. Remains 48 /48 variables (removed 0) and now considering 100/100 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 39 ms. Remains : 48/69 places, 100/141 transitions.
Stuttering acceptance computed with spot in 145 ms :[(AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (NOT p2)]
Running random walk in product with property : CO4-PT-04-LTLFireability-14
Product exploration explored 100000 steps with 0 reset in 92 ms.
Stack based approach found an accepted trace after 6 steps with 0 reset with depth 7 and stack size 7 in 0 ms.
FORMULA CO4-PT-04-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property CO4-PT-04-LTLFireability-14 finished in 288 ms.
All properties solved by simple procedures.
Total runtime 9332 ms.

BK_STOP 1748605243335

--------------------
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-04"
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-04, 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-174854028400404"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CO4-PT-04.tgz
mv CO4-PT-04 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 ;