About the Execution of ITS-Tools for FlexibleBarrier-PT-04b
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 243627.00 | 0.00 | 0.00 | FFFTFTFFFFFFFTFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r086-smll-174860102500411.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 FlexibleBarrier-PT-04b, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r086-smll-174860102500411
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 504K
-rw-r--r-- 1 mcc users 7.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K 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 119K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.6K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 51K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K 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 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 69K 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 FlexibleBarrier-PT-04b-LTLCardinality-00
FORMULA_NAME FlexibleBarrier-PT-04b-LTLCardinality-01
FORMULA_NAME FlexibleBarrier-PT-04b-LTLCardinality-02
FORMULA_NAME FlexibleBarrier-PT-04b-LTLCardinality-03
FORMULA_NAME FlexibleBarrier-PT-04b-LTLCardinality-04
FORMULA_NAME FlexibleBarrier-PT-04b-LTLCardinality-05
FORMULA_NAME FlexibleBarrier-PT-04b-LTLCardinality-06
FORMULA_NAME FlexibleBarrier-PT-04b-LTLCardinality-07
FORMULA_NAME FlexibleBarrier-PT-04b-LTLCardinality-08
FORMULA_NAME FlexibleBarrier-PT-04b-LTLCardinality-09
FORMULA_NAME FlexibleBarrier-PT-04b-LTLCardinality-10
FORMULA_NAME FlexibleBarrier-PT-04b-LTLCardinality-11
FORMULA_NAME FlexibleBarrier-PT-04b-LTLCardinality-12
FORMULA_NAME FlexibleBarrier-PT-04b-LTLCardinality-13
FORMULA_NAME FlexibleBarrier-PT-04b-LTLCardinality-14
FORMULA_NAME FlexibleBarrier-PT-04b-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1748918162935
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FlexibleBarrier-PT-04b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202505121319
[2025-06-03 02:36:05] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-03 02:36:05] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 02:36:05] [INFO ] Load time of PNML (sax parser for PT used): 117 ms
[2025-06-03 02:36:05] [INFO ] Transformed 268 places.
[2025-06-03 02:36:05] [INFO ] Transformed 305 transitions.
[2025-06-03 02:36:05] [INFO ] Found NUPN structural information;
[2025-06-03 02:36:05] [INFO ] Parsed PT model containing 268 places and 305 transitions and 743 arcs in 279 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 17 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA FlexibleBarrier-PT-04b-LTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-04b-LTLCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-04b-LTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-04b-LTLCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-04b-LTLCardinality-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-04b-LTLCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-04b-LTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 23 out of 268 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 268/268 places, 305/305 transitions.
Discarding 70 places :
Symmetric choice reduction at 0 with 70 rule applications. Total rules 70 place count 198 transition count 235
Iterating global reduction 0 with 70 rules applied. Total rules applied 140 place count 198 transition count 235
Discarding 25 places :
Symmetric choice reduction at 0 with 25 rule applications. Total rules 165 place count 173 transition count 210
Iterating global reduction 0 with 25 rules applied. Total rules applied 190 place count 173 transition count 210
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 201 place count 162 transition count 199
Iterating global reduction 0 with 11 rules applied. Total rules applied 212 place count 162 transition count 199
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 215 place count 162 transition count 196
Applied a total of 215 rules in 109 ms. Remains 162 /268 variables (removed 106) and now considering 196/305 (removed 109) transitions.
// Phase 1: matrix 196 rows 162 cols
[2025-06-03 02:36:05] [INFO ] Computed 6 invariants in 19 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 02:36:06] [INFO ] Implicit Places using invariants in 462 ms returned []
[2025-06-03 02:36:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 02:36:06] [INFO ] Implicit Places using invariants and state equation in 262 ms returned []
Implicit Place search using SMT with State Equation took 789 ms to find 0 implicit places.
Running 195 sub problems to find dead transitions.
[2025-06-03 02:36:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/161 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 195 unsolved
At refinement iteration 1 (OVERLAPS) 1/162 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 195 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:36:09] [INFO ] Deduced a trap composed of 26 places in 121 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:36:09] [INFO ] Deduced a trap composed of 29 places in 120 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:36:09] [INFO ] Deduced a trap composed of 27 places in 105 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:36:09] [INFO ] Deduced a trap composed of 49 places in 87 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:36:11] [INFO ] Deduced a trap composed of 119 places in 128 ms of which 11 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/162 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 195 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 195 unsolved
At refinement iteration 4 (OVERLAPS) 196/358 variables, 162/173 constraints. Problems are: Problem set: 0 solved, 195 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/358 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 195 unsolved
At refinement iteration 6 (OVERLAPS) 0/358 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 195 unsolved
No progress, stopping.
After SMT solving in domain Real declared 358/358 variables, and 173 constraints, problems are : Problem set: 0 solved, 195 unsolved in 16280 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 162/162 constraints, PredecessorRefiner: 195/195 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 195 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/161 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 195 unsolved
At refinement iteration 1 (OVERLAPS) 1/162 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 195 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/162 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 195 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 195 unsolved
At refinement iteration 4 (OVERLAPS) 196/358 variables, 162/173 constraints. Problems are: Problem set: 0 solved, 195 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/358 variables, 195/368 constraints. Problems are: Problem set: 0 solved, 195 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:36:26] [INFO ] Deduced a trap composed of 96 places in 96 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:36:27] [INFO ] Deduced a trap composed of 52 places in 98 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:36:27] [INFO ] Deduced a trap composed of 120 places in 91 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:36:27] [INFO ] Deduced a trap composed of 40 places in 60 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:36:27] [INFO ] Deduced a trap composed of 52 places in 76 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:36:28] [INFO ] Deduced a trap composed of 55 places in 67 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/358 variables, 6/374 constraints. Problems are: Problem set: 0 solved, 195 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:36:32] [INFO ] Deduced a trap composed of 96 places in 120 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:36:32] [INFO ] Deduced a trap composed of 96 places in 114 ms of which 16 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/358 variables, 2/376 constraints. Problems are: Problem set: 0 solved, 195 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:36:37] [INFO ] Deduced a trap composed of 96 places in 114 ms of which 14 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/358 variables, 1/377 constraints. Problems are: Problem set: 0 solved, 195 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:36:42] [INFO ] Deduced a trap along path composed of 32 places in 100 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:36:42] [INFO ] Deduced a trap along path composed of 5 places in 52 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/358 variables, 2/379 constraints. Problems are: Problem set: 0 solved, 195 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 358/358 variables, and 379 constraints, problems are : Problem set: 0 solved, 195 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 162/162 constraints, PredecessorRefiner: 195/195 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 46465ms problems are : Problem set: 0 solved, 195 unsolved
Search for dead transitions found 0 dead transitions in 46485ms
Starting structural reductions in LTL mode, iteration 1 : 162/268 places, 196/305 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 47408 ms. Remains : 162/268 places, 196/305 transitions.
Support contains 23 out of 162 places after structural reductions.
[2025-06-03 02:36:53] [INFO ] Flatten gal took : 80 ms
[2025-06-03 02:36:53] [INFO ] Flatten gal took : 32 ms
[2025-06-03 02:36:53] [INFO ] Input system was already deterministic with 196 transitions.
Reduction of identical properties reduced properties to check from 13 to 12
RANDOM walk for 40000 steps (935 resets) in 1560 ms. (25 steps per ms) remains 1/12 properties
BEST_FIRST walk for 40003 steps (191 resets) in 317 ms. (125 steps per ms) remains 1/1 properties
[2025-06-03 02:36:54] [INFO ] Invariant cache hit.
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) 68/70 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 92/162 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 196/358 variables, 162/168 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/358 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/358 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 358/358 variables, and 168 constraints, problems are : Problem set: 0 solved, 1 unsolved in 252 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 162/162 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) 68/70 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 92/162 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 196/358 variables, 162/168 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/358 variables, 1/169 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/358 variables, 0/169 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/358 variables, 0/169 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 358/358 variables, and 169 constraints, problems are : Problem set: 0 solved, 1 unsolved in 258 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 162/162 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 518ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 38 ms.
Support contains 2 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 196/196 transitions.
Graph (trivial) has 144 edges and 162 vertex of which 18 / 162 are part of one of the 3 SCC in 6 ms
Free SCC test removed 15 places
Drop transitions (Empty/Sink Transition effects.) removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 27 transitions
Trivial Post-agglo rules discarded 27 transitions
Performed 27 trivial Post agglomeration. Transition count delta: 27
Iterating post reduction 0 with 27 rules applied. Total rules applied 28 place count 147 transition count 151
Reduce places removed 27 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 28 rules applied. Total rules applied 56 place count 120 transition count 150
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 13 Pre rules applied. Total rules applied 56 place count 120 transition count 137
Deduced a syphon composed of 13 places in 2 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 2 with 26 rules applied. Total rules applied 82 place count 107 transition count 137
Discarding 17 places :
Symmetric choice reduction at 2 with 17 rule applications. Total rules 99 place count 90 transition count 120
Iterating global reduction 2 with 17 rules applied. Total rules applied 116 place count 90 transition count 120
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 117 place count 90 transition count 119
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 117 place count 90 transition count 117
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 121 place count 88 transition count 117
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 125 place count 84 transition count 113
Iterating global reduction 3 with 4 rules applied. Total rules applied 129 place count 84 transition count 113
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 133 place count 84 transition count 109
Performed 26 Post agglomeration using F-continuation condition.Transition count delta: 26
Deduced a syphon composed of 26 places in 0 ms
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 4 with 52 rules applied. Total rules applied 185 place count 58 transition count 83
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 4 with 7 rules applied. Total rules applied 192 place count 58 transition count 76
Discarding 4 places :
Symmetric choice reduction at 5 with 4 rule applications. Total rules 196 place count 54 transition count 72
Iterating global reduction 5 with 4 rules applied. Total rules applied 200 place count 54 transition count 72
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 201 place count 54 transition count 71
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -17
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 205 place count 52 transition count 88
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 6 with 2 rules applied. Total rules applied 207 place count 52 transition count 86
Free-agglomeration rule applied 22 times.
Iterating global reduction 6 with 22 rules applied. Total rules applied 229 place count 52 transition count 64
Reduce places removed 22 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Graph (complete) has 98 edges and 30 vertex of which 17 are kept as prefixes of interest. Removing 13 places using SCC suffix rule.1 ms
Discarding 13 places :
Also discarding 0 output transitions
Iterating post reduction 6 with 32 rules applied. Total rules applied 261 place count 17 transition count 55
Drop transitions (Empty/Sink Transition effects.) removed 32 transitions
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 35 transitions.
Iterating post reduction 7 with 35 rules applied. Total rules applied 296 place count 17 transition count 20
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 8 with 1 rules applied. Total rules applied 297 place count 17 transition count 20
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 298 place count 16 transition count 19
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Remove reverse transitions (loop back) rule discarded transition t6.t162.t70.t71.t54 and 1 places that fell out of Prefix Of Interest.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Graph (trivial) has 12 edges and 13 vertex of which 4 / 13 are part of one of the 2 SCC in 0 ms
Free SCC test removed 2 places
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 8 with 5 rules applied. Total rules applied 303 place count 11 transition count 15
Reduce places removed 2 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 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 9 with 8 rules applied. Total rules applied 311 place count 9 transition count 9
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 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 10 with 4 rules applied. Total rules applied 315 place count 7 transition count 7
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 11 with 1 rules applied. Total rules applied 316 place count 6 transition count 7
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 12 with 1 Pre rules applied. Total rules applied 316 place count 6 transition count 6
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 12 with 2 rules applied. Total rules applied 318 place count 5 transition count 6
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 12 with 1 rules applied. Total rules applied 319 place count 5 transition count 5
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 12 with 1 rules applied. Total rules applied 320 place count 5 transition count 4
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 13 with 1 rules applied. Total rules applied 321 place count 4 transition count 4
Applied a total of 321 rules in 142 ms. Remains 4 /162 variables (removed 158) and now considering 4/196 (removed 192) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 142 ms. Remains : 4/162 places, 4/196 transitions.
RANDOM walk for 8 steps (0 resets) in 4 ms. (1 steps per ms) remains 0/1 properties
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(p0))'
Support contains 2 out of 162 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 162/162 places, 196/196 transitions.
Discarding 15 places :
Symmetric choice reduction at 0 with 15 rule applications. Total rules 15 place count 147 transition count 181
Iterating global reduction 0 with 15 rules applied. Total rules applied 30 place count 147 transition count 181
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 31 place count 147 transition count 180
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 38 place count 140 transition count 173
Iterating global reduction 1 with 7 rules applied. Total rules applied 45 place count 140 transition count 173
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 48 place count 140 transition count 170
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 49 place count 139 transition count 169
Iterating global reduction 2 with 1 rules applied. Total rules applied 50 place count 139 transition count 169
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 51 place count 139 transition count 168
Applied a total of 51 rules in 18 ms. Remains 139 /162 variables (removed 23) and now considering 168/196 (removed 28) transitions.
// Phase 1: matrix 168 rows 139 cols
[2025-06-03 02:36:55] [INFO ] Computed 6 invariants in 9 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 02:36:55] [INFO ] Implicit Places using invariants in 130 ms returned []
[2025-06-03 02:36:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 02:36:55] [INFO ] Implicit Places using invariants and state equation in 227 ms returned []
Implicit Place search using SMT with State Equation took 360 ms to find 0 implicit places.
Running 167 sub problems to find dead transitions.
[2025-06-03 02:36:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/138 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 1 (OVERLAPS) 1/139 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/139 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 3 (OVERLAPS) 168/307 variables, 139/145 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/307 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 5 (OVERLAPS) 0/307 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 167 unsolved
No progress, stopping.
After SMT solving in domain Real declared 307/307 variables, and 145 constraints, problems are : Problem set: 0 solved, 167 unsolved in 11921 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 139/139 constraints, PredecessorRefiner: 167/167 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/138 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 1 (OVERLAPS) 1/139 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/139 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 3 (OVERLAPS) 168/307 variables, 139/145 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/307 variables, 167/312 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:37:12] [INFO ] Deduced a trap composed of 22 places in 131 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:37:12] [INFO ] Deduced a trap composed of 45 places in 112 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:37:12] [INFO ] Deduced a trap composed of 48 places in 143 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:37:12] [INFO ] Deduced a trap composed of 50 places in 103 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:37:13] [INFO ] Deduced a trap composed of 50 places in 95 ms of which 9 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/307 variables, 5/317 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:37:14] [INFO ] Deduced a trap composed of 88 places in 95 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:37:14] [INFO ] Deduced a trap composed of 25 places in 85 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:37:16] [INFO ] Deduced a trap composed of 85 places in 75 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:37:16] [INFO ] Deduced a trap composed of 85 places in 82 ms of which 8 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/307 variables, 4/321 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:37:19] [INFO ] Deduced a trap composed of 85 places in 132 ms of which 13 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/307 variables, 1/322 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:37:22] [INFO ] Deduced a trap along path composed of 4 places in 49 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/307 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/307 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 10 (OVERLAPS) 0/307 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 167 unsolved
No progress, stopping.
After SMT solving in domain Int declared 307/307 variables, and 323 constraints, problems are : Problem set: 0 solved, 167 unsolved in 29802 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 139/139 constraints, PredecessorRefiner: 167/167 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 41771ms problems are : Problem set: 0 solved, 167 unsolved
Search for dead transitions found 0 dead transitions in 41775ms
Starting structural reductions in LTL mode, iteration 1 : 139/162 places, 168/196 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 42156 ms. Remains : 139/162 places, 168/196 transitions.
Stuttering acceptance computed with spot in 260 ms :[(NOT p0), (NOT p0), true]
Running random walk in product with property : FlexibleBarrier-PT-04b-LTLCardinality-00
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 2 ms.
FORMULA FlexibleBarrier-PT-04b-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-04b-LTLCardinality-00 finished in 42519 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 162/162 places, 196/196 transitions.
Graph (trivial) has 147 edges and 162 vertex of which 26 / 162 are part of one of the 4 SCC in 1 ms
Free SCC test removed 22 places
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 25 transitions
Trivial Post-agglo rules discarded 25 transitions
Performed 25 trivial Post agglomeration. Transition count delta: 25
Iterating post reduction 0 with 25 rules applied. Total rules applied 26 place count 139 transition count 147
Reduce places removed 25 places and 0 transitions.
Iterating post reduction 1 with 25 rules applied. Total rules applied 51 place count 114 transition count 147
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 11 Pre rules applied. Total rules applied 51 place count 114 transition count 136
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 2 with 22 rules applied. Total rules applied 73 place count 103 transition count 136
Discarding 19 places :
Symmetric choice reduction at 2 with 19 rule applications. Total rules 92 place count 84 transition count 117
Iterating global reduction 2 with 19 rules applied. Total rules applied 111 place count 84 transition count 117
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 112 place count 84 transition count 116
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 112 place count 84 transition count 114
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 116 place count 82 transition count 114
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 120 place count 78 transition count 110
Iterating global reduction 3 with 4 rules applied. Total rules applied 124 place count 78 transition count 110
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 128 place count 78 transition count 106
Performed 23 Post agglomeration using F-continuation condition.Transition count delta: 23
Deduced a syphon composed of 23 places in 0 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 4 with 46 rules applied. Total rules applied 174 place count 55 transition count 83
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 175 place count 54 transition count 82
Iterating global reduction 4 with 1 rules applied. Total rules applied 176 place count 54 transition count 82
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 177 place count 54 transition count 81
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 5 with 4 rules applied. Total rules applied 181 place count 54 transition count 77
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 183 place count 52 transition count 75
Applied a total of 183 rules in 39 ms. Remains 52 /162 variables (removed 110) and now considering 75/196 (removed 121) transitions.
[2025-06-03 02:37:37] [INFO ] Flow matrix only has 68 transitions (discarded 7 similar events)
// Phase 1: matrix 68 rows 52 cols
[2025-06-03 02:37:37] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 02:37:37] [INFO ] Implicit Places using invariants in 74 ms returned []
[2025-06-03 02:37:37] [INFO ] Flow matrix only has 68 transitions (discarded 7 similar events)
[2025-06-03 02:37:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 02:37:38] [INFO ] Implicit Places using invariants and state equation in 105 ms returned []
Implicit Place search using SMT with State Equation took 183 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 02:37:38] [INFO ] Redundant transitions in 2 ms returned []
Running 45 sub problems to find dead transitions.
[2025-06-03 02:37:38] [INFO ] Flow matrix only has 68 transitions (discarded 7 similar events)
[2025-06-03 02:37:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/48 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/48 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 4/52 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/52 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 67/119 variables, 52/58 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/119 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (OVERLAPS) 0/119 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Real declared 119/120 variables, and 58 constraints, problems are : Problem set: 0 solved, 45 unsolved in 1407 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 52/52 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 45 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/48 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/48 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (OVERLAPS) 4/52 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/52 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (OVERLAPS) 67/119 variables, 52/58 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/119 variables, 45/103 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/119 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 7 (OVERLAPS) 0/119 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Int declared 119/120 variables, and 103 constraints, problems are : Problem set: 0 solved, 45 unsolved in 1763 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 52/52 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3189ms problems are : Problem set: 0 solved, 45 unsolved
Search for dead transitions found 0 dead transitions in 3191ms
Starting structural reductions in SI_LTL mode, iteration 1 : 52/162 places, 75/196 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 3422 ms. Remains : 52/162 places, 75/196 transitions.
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-04b-LTLCardinality-01
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-04b-LTLCardinality-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-04b-LTLCardinality-01 finished in 3476 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 162 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 162/162 places, 196/196 transitions.
Graph (trivial) has 147 edges and 162 vertex of which 26 / 162 are part of one of the 4 SCC in 0 ms
Free SCC test removed 22 places
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 25 transitions
Trivial Post-agglo rules discarded 25 transitions
Performed 25 trivial Post agglomeration. Transition count delta: 25
Iterating post reduction 0 with 25 rules applied. Total rules applied 26 place count 139 transition count 147
Reduce places removed 25 places and 0 transitions.
Iterating post reduction 1 with 25 rules applied. Total rules applied 51 place count 114 transition count 147
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 11 Pre rules applied. Total rules applied 51 place count 114 transition count 136
Deduced a syphon composed of 11 places in 1 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 2 with 22 rules applied. Total rules applied 73 place count 103 transition count 136
Discarding 18 places :
Symmetric choice reduction at 2 with 18 rule applications. Total rules 91 place count 85 transition count 118
Iterating global reduction 2 with 18 rules applied. Total rules applied 109 place count 85 transition count 118
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 109 place count 85 transition count 116
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 113 place count 83 transition count 116
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 117 place count 79 transition count 112
Iterating global reduction 2 with 4 rules applied. Total rules applied 121 place count 79 transition count 112
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 125 place count 79 transition count 108
Performed 23 Post agglomeration using F-continuation condition.Transition count delta: 23
Deduced a syphon composed of 23 places in 0 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 3 with 46 rules applied. Total rules applied 171 place count 56 transition count 85
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 172 place count 55 transition count 84
Iterating global reduction 3 with 1 rules applied. Total rules applied 173 place count 55 transition count 84
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 174 place count 55 transition count 83
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 4 with 4 rules applied. Total rules applied 178 place count 55 transition count 79
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 180 place count 53 transition count 77
Applied a total of 180 rules in 31 ms. Remains 53 /162 variables (removed 109) and now considering 77/196 (removed 119) transitions.
[2025-06-03 02:37:41] [INFO ] Flow matrix only has 70 transitions (discarded 7 similar events)
// Phase 1: matrix 70 rows 53 cols
[2025-06-03 02:37:41] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 02:37:41] [INFO ] Implicit Places using invariants in 56 ms returned []
[2025-06-03 02:37:41] [INFO ] Flow matrix only has 70 transitions (discarded 7 similar events)
[2025-06-03 02:37:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 02:37:41] [INFO ] Implicit Places using invariants and state equation in 104 ms returned []
Implicit Place search using SMT with State Equation took 164 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 02:37:41] [INFO ] Redundant transitions in 4 ms returned []
Running 46 sub problems to find dead transitions.
[2025-06-03 02:37:41] [INFO ] Flow matrix only has 70 transitions (discarded 7 similar events)
[2025-06-03 02:37:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 2 (OVERLAPS) 4/53 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/53 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 4 (OVERLAPS) 69/122 variables, 53/59 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/122 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 6 (OVERLAPS) 0/122 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 46 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/123 variables, and 59 constraints, problems are : Problem set: 0 solved, 46 unsolved in 1297 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 53/53 constraints, PredecessorRefiner: 46/46 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 46 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 2 (OVERLAPS) 4/53 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/53 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 4 (OVERLAPS) 69/122 variables, 53/59 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/122 variables, 46/105 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 7 (OVERLAPS) 0/122 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 46 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/123 variables, and 105 constraints, problems are : Problem set: 0 solved, 46 unsolved in 1252 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 53/53 constraints, PredecessorRefiner: 46/46 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2565ms problems are : Problem set: 0 solved, 46 unsolved
Search for dead transitions found 0 dead transitions in 2567ms
Starting structural reductions in SI_LTL mode, iteration 1 : 53/162 places, 77/196 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2774 ms. Remains : 53/162 places, 77/196 transitions.
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-04b-LTLCardinality-06
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-04b-LTLCardinality-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-04b-LTLCardinality-06 finished in 2821 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) U p1) U X(X(X(!p2)))))'
Support contains 8 out of 162 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 162/162 places, 196/196 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 151 transition count 185
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 151 transition count 185
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 23 place count 151 transition count 184
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 30 place count 144 transition count 177
Iterating global reduction 1 with 7 rules applied. Total rules applied 37 place count 144 transition count 177
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 40 place count 144 transition count 174
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 41 place count 143 transition count 173
Iterating global reduction 2 with 1 rules applied. Total rules applied 42 place count 143 transition count 173
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 43 place count 143 transition count 172
Applied a total of 43 rules in 10 ms. Remains 143 /162 variables (removed 19) and now considering 172/196 (removed 24) transitions.
// Phase 1: matrix 172 rows 143 cols
[2025-06-03 02:37:44] [INFO ] Computed 6 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 02:37:44] [INFO ] Implicit Places using invariants in 105 ms returned []
[2025-06-03 02:37:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 02:37:44] [INFO ] Implicit Places using invariants and state equation in 152 ms returned []
Implicit Place search using SMT with State Equation took 259 ms to find 0 implicit places.
Running 171 sub problems to find dead transitions.
[2025-06-03 02:37:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/142 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 1 (OVERLAPS) 1/143 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 171 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:37:46] [INFO ] Deduced a trap composed of 27 places in 40 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/143 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/143 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 4 (OVERLAPS) 172/315 variables, 143/150 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/315 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 6 (OVERLAPS) 0/315 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 171 unsolved
No progress, stopping.
After SMT solving in domain Real declared 315/315 variables, and 150 constraints, problems are : Problem set: 0 solved, 171 unsolved in 11970 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 143/143 constraints, PredecessorRefiner: 171/171 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 171 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/142 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 1 (OVERLAPS) 1/143 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/143 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/143 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 4 (OVERLAPS) 172/315 variables, 143/150 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/315 variables, 171/321 constraints. Problems are: Problem set: 0 solved, 171 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:37:58] [INFO ] Deduced a trap composed of 28 places in 79 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:37:58] [INFO ] Deduced a trap composed of 102 places in 109 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:37:59] [INFO ] Deduced a trap composed of 49 places in 74 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:37:59] [INFO ] Deduced a trap composed of 51 places in 79 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:37:59] [INFO ] Deduced a trap composed of 51 places in 74 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/315 variables, 5/326 constraints. Problems are: Problem set: 0 solved, 171 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:38:02] [INFO ] Deduced a trap along path composed of 5 places in 25 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/315 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 171 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:38:05] [INFO ] Deduced a trap composed of 48 places in 67 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:38:06] [INFO ] Deduced a trap composed of 87 places in 65 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:38:06] [INFO ] Deduced a trap composed of 87 places in 66 ms of which 7 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/315 variables, 3/330 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/315 variables, 0/330 constraints. Problems are: Problem set: 0 solved, 171 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:38:16] [INFO ] Deduced a trap composed of 88 places in 105 ms of which 12 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/315 variables, 1/331 constraints. Problems are: Problem set: 0 solved, 171 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:38:20] [INFO ] Deduced a trap composed of 87 places in 94 ms of which 11 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/315 variables, 1/332 constraints. Problems are: Problem set: 0 solved, 171 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 315/315 variables, and 332 constraints, problems are : Problem set: 0 solved, 171 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 143/143 constraints, PredecessorRefiner: 171/171 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 42022ms problems are : Problem set: 0 solved, 171 unsolved
Search for dead transitions found 0 dead transitions in 42023ms
Starting structural reductions in LTL mode, iteration 1 : 143/162 places, 172/196 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 42295 ms. Remains : 143/162 places, 172/196 transitions.
Stuttering acceptance computed with spot in 1164 ms :[p2, (AND (NOT p1) p2), p2, (AND p1 p0 p2), (AND (NOT p1) p2), (AND p0 p2), (AND (NOT p1) p2), p2, (AND p0 p1 p2), (AND (NOT p1) p2), (AND p0 p2), (AND (NOT p1) p2), (AND p0 p2), (AND (NOT p1) p2), p2, (AND p1 p0 p2), p0, (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-04b-LTLCardinality-07
Stuttering criterion allowed to conclude after 42 steps with 0 reset in 2 ms.
FORMULA FlexibleBarrier-PT-04b-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-04b-LTLCardinality-07 finished in 43490 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 2 out of 162 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 162/162 places, 196/196 transitions.
Graph (trivial) has 145 edges and 162 vertex of which 26 / 162 are part of one of the 4 SCC in 1 ms
Free SCC test removed 22 places
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 24 transitions
Trivial Post-agglo rules discarded 24 transitions
Performed 24 trivial Post agglomeration. Transition count delta: 24
Iterating post reduction 0 with 24 rules applied. Total rules applied 25 place count 139 transition count 148
Reduce places removed 24 places and 0 transitions.
Iterating post reduction 1 with 24 rules applied. Total rules applied 49 place count 115 transition count 148
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 10 Pre rules applied. Total rules applied 49 place count 115 transition count 138
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 69 place count 105 transition count 138
Discarding 17 places :
Symmetric choice reduction at 2 with 17 rule applications. Total rules 86 place count 88 transition count 121
Iterating global reduction 2 with 17 rules applied. Total rules applied 103 place count 88 transition count 121
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 104 place count 88 transition count 120
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 104 place count 88 transition count 119
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 106 place count 87 transition count 119
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 110 place count 83 transition count 115
Iterating global reduction 3 with 4 rules applied. Total rules applied 114 place count 83 transition count 115
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 117 place count 83 transition count 112
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: 24
Deduced a syphon composed of 24 places in 0 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 4 with 48 rules applied. Total rules applied 165 place count 59 transition count 88
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 166 place count 58 transition count 87
Iterating global reduction 4 with 1 rules applied. Total rules applied 167 place count 58 transition count 87
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 168 place count 58 transition count 86
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 5 with 4 rules applied. Total rules applied 172 place count 58 transition count 82
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 174 place count 56 transition count 80
Applied a total of 174 rules in 52 ms. Remains 56 /162 variables (removed 106) and now considering 80/196 (removed 116) transitions.
[2025-06-03 02:38:27] [INFO ] Flow matrix only has 73 transitions (discarded 7 similar events)
// Phase 1: matrix 73 rows 56 cols
[2025-06-03 02:38:27] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 02:38:27] [INFO ] Implicit Places using invariants in 100 ms returned []
[2025-06-03 02:38:27] [INFO ] Flow matrix only has 73 transitions (discarded 7 similar events)
[2025-06-03 02:38:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 02:38:27] [INFO ] Implicit Places using invariants and state equation in 151 ms returned []
Implicit Place search using SMT with State Equation took 255 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 02:38:27] [INFO ] Redundant transitions in 3 ms returned []
Running 49 sub problems to find dead transitions.
[2025-06-03 02:38:27] [INFO ] Flow matrix only has 73 transitions (discarded 7 similar events)
[2025-06-03 02:38:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 2 (OVERLAPS) 4/56 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/56 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 4 (OVERLAPS) 72/128 variables, 56/62 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/128 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 6 (OVERLAPS) 0/128 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 49 unsolved
No progress, stopping.
After SMT solving in domain Real declared 128/129 variables, and 62 constraints, problems are : Problem set: 0 solved, 49 unsolved in 1456 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 56/56 constraints, PredecessorRefiner: 49/49 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 49 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 2 (OVERLAPS) 4/56 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/56 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 4 (OVERLAPS) 72/128 variables, 56/62 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/128 variables, 49/111 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 7 (OVERLAPS) 0/128 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 49 unsolved
No progress, stopping.
After SMT solving in domain Int declared 128/129 variables, and 111 constraints, problems are : Problem set: 0 solved, 49 unsolved in 2171 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 56/56 constraints, PredecessorRefiner: 49/49 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3643ms problems are : Problem set: 0 solved, 49 unsolved
Search for dead transitions found 0 dead transitions in 3644ms
Starting structural reductions in SI_LTL mode, iteration 1 : 56/162 places, 80/196 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 3962 ms. Remains : 56/162 places, 80/196 transitions.
Stuttering acceptance computed with spot in 58 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-04b-LTLCardinality-08
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-04b-LTLCardinality-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-04b-LTLCardinality-08 finished in 4038 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 162/162 places, 196/196 transitions.
Graph (trivial) has 147 edges and 162 vertex of which 26 / 162 are part of one of the 4 SCC in 1 ms
Free SCC test removed 22 places
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 25 transitions
Trivial Post-agglo rules discarded 25 transitions
Performed 25 trivial Post agglomeration. Transition count delta: 25
Iterating post reduction 0 with 25 rules applied. Total rules applied 26 place count 139 transition count 147
Reduce places removed 25 places and 0 transitions.
Iterating post reduction 1 with 25 rules applied. Total rules applied 51 place count 114 transition count 147
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 10 Pre rules applied. Total rules applied 51 place count 114 transition count 137
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 71 place count 104 transition count 137
Discarding 18 places :
Symmetric choice reduction at 2 with 18 rule applications. Total rules 89 place count 86 transition count 119
Iterating global reduction 2 with 18 rules applied. Total rules applied 107 place count 86 transition count 119
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 108 place count 86 transition count 118
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 108 place count 86 transition count 116
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 112 place count 84 transition count 116
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 116 place count 80 transition count 112
Iterating global reduction 3 with 4 rules applied. Total rules applied 120 place count 80 transition count 112
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 123 place count 80 transition count 109
Performed 23 Post agglomeration using F-continuation condition.Transition count delta: 23
Deduced a syphon composed of 23 places in 0 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 4 with 46 rules applied. Total rules applied 169 place count 57 transition count 86
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 170 place count 56 transition count 85
Iterating global reduction 4 with 1 rules applied. Total rules applied 171 place count 56 transition count 85
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 172 place count 56 transition count 84
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 5 with 4 rules applied. Total rules applied 176 place count 56 transition count 80
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 178 place count 54 transition count 78
Applied a total of 178 rules in 44 ms. Remains 54 /162 variables (removed 108) and now considering 78/196 (removed 118) transitions.
[2025-06-03 02:38:31] [INFO ] Flow matrix only has 71 transitions (discarded 7 similar events)
// Phase 1: matrix 71 rows 54 cols
[2025-06-03 02:38:31] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 02:38:31] [INFO ] Implicit Places using invariants in 90 ms returned []
[2025-06-03 02:38:31] [INFO ] Flow matrix only has 71 transitions (discarded 7 similar events)
[2025-06-03 02:38:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 02:38:31] [INFO ] Implicit Places using invariants and state equation in 121 ms returned []
Implicit Place search using SMT with State Equation took 218 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 02:38:31] [INFO ] Redundant transitions in 2 ms returned []
Running 47 sub problems to find dead transitions.
[2025-06-03 02:38:31] [INFO ] Flow matrix only has 71 transitions (discarded 7 similar events)
[2025-06-03 02:38:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/50 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 2 (OVERLAPS) 4/54 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 4 (OVERLAPS) 70/124 variables, 54/60 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/124 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 6 (OVERLAPS) 0/124 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Real declared 124/125 variables, and 60 constraints, problems are : Problem set: 0 solved, 47 unsolved in 1656 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 54/54 constraints, PredecessorRefiner: 47/47 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 47 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/50 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 2 (OVERLAPS) 4/54 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 4 (OVERLAPS) 70/124 variables, 54/60 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/124 variables, 47/107 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/124 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 7 (OVERLAPS) 0/124 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Int declared 124/125 variables, and 107 constraints, problems are : Problem set: 0 solved, 47 unsolved in 1897 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 54/54 constraints, PredecessorRefiner: 47/47 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3571ms problems are : Problem set: 0 solved, 47 unsolved
Search for dead transitions found 0 dead transitions in 3573ms
Starting structural reductions in SI_LTL mode, iteration 1 : 54/162 places, 78/196 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 3845 ms. Remains : 54/162 places, 78/196 transitions.
Stuttering acceptance computed with spot in 51 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-04b-LTLCardinality-09
Stuttering criterion allowed to conclude after 290 steps with 27 reset in 7 ms.
FORMULA FlexibleBarrier-PT-04b-LTLCardinality-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-04b-LTLCardinality-09 finished in 3921 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 3 out of 162 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 162/162 places, 196/196 transitions.
Graph (trivial) has 144 edges and 162 vertex of which 26 / 162 are part of one of the 4 SCC in 0 ms
Free SCC test removed 22 places
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 23 transitions
Trivial Post-agglo rules discarded 23 transitions
Performed 23 trivial Post agglomeration. Transition count delta: 23
Iterating post reduction 0 with 23 rules applied. Total rules applied 24 place count 139 transition count 149
Reduce places removed 23 places and 0 transitions.
Iterating post reduction 1 with 23 rules applied. Total rules applied 47 place count 116 transition count 149
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 11 Pre rules applied. Total rules applied 47 place count 116 transition count 138
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 2 with 22 rules applied. Total rules applied 69 place count 105 transition count 138
Discarding 16 places :
Symmetric choice reduction at 2 with 16 rule applications. Total rules 85 place count 89 transition count 122
Iterating global reduction 2 with 16 rules applied. Total rules applied 101 place count 89 transition count 122
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 102 place count 89 transition count 121
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 102 place count 89 transition count 119
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 106 place count 87 transition count 119
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 110 place count 83 transition count 115
Iterating global reduction 3 with 4 rules applied. Total rules applied 114 place count 83 transition count 115
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 117 place count 83 transition count 112
Performed 23 Post agglomeration using F-continuation condition.Transition count delta: 23
Deduced a syphon composed of 23 places in 1 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 4 with 46 rules applied. Total rules applied 163 place count 60 transition count 89
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 4 with 4 rules applied. Total rules applied 167 place count 60 transition count 85
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 169 place count 58 transition count 83
Applied a total of 169 rules in 36 ms. Remains 58 /162 variables (removed 104) and now considering 83/196 (removed 113) transitions.
[2025-06-03 02:38:35] [INFO ] Flow matrix only has 76 transitions (discarded 7 similar events)
// Phase 1: matrix 76 rows 58 cols
[2025-06-03 02:38:35] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 02:38:35] [INFO ] Implicit Places using invariants in 101 ms returned []
[2025-06-03 02:38:35] [INFO ] Flow matrix only has 76 transitions (discarded 7 similar events)
[2025-06-03 02:38:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 02:38:35] [INFO ] Implicit Places using invariants and state equation in 128 ms returned []
Implicit Place search using SMT with State Equation took 231 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 02:38:35] [INFO ] Redundant transitions in 2 ms returned []
Running 51 sub problems to find dead transitions.
[2025-06-03 02:38:35] [INFO ] Flow matrix only has 76 transitions (discarded 7 similar events)
[2025-06-03 02:38:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 51 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 51 unsolved
At refinement iteration 2 (OVERLAPS) 4/58 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 51 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/58 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 51 unsolved
At refinement iteration 4 (OVERLAPS) 75/133 variables, 58/64 constraints. Problems are: Problem set: 0 solved, 51 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 51 unsolved
At refinement iteration 6 (OVERLAPS) 0/133 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 51 unsolved
No progress, stopping.
After SMT solving in domain Real declared 133/134 variables, and 64 constraints, problems are : Problem set: 0 solved, 51 unsolved in 2137 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 58/58 constraints, PredecessorRefiner: 51/51 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 51 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 51 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 51 unsolved
At refinement iteration 2 (OVERLAPS) 4/58 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 51 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/58 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 51 unsolved
At refinement iteration 4 (OVERLAPS) 75/133 variables, 58/64 constraints. Problems are: Problem set: 0 solved, 51 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 51/115 constraints. Problems are: Problem set: 0 solved, 51 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/133 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 51 unsolved
At refinement iteration 7 (OVERLAPS) 0/133 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 51 unsolved
No progress, stopping.
After SMT solving in domain Int declared 133/134 variables, and 115 constraints, problems are : Problem set: 0 solved, 51 unsolved in 2164 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 58/58 constraints, PredecessorRefiner: 51/51 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4315ms problems are : Problem set: 0 solved, 51 unsolved
Search for dead transitions found 0 dead transitions in 4316ms
Starting structural reductions in SI_LTL mode, iteration 1 : 58/162 places, 83/196 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 4593 ms. Remains : 58/162 places, 83/196 transitions.
Stuttering acceptance computed with spot in 50 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-04b-LTLCardinality-10
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-04b-LTLCardinality-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-04b-LTLCardinality-10 finished in 4662 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(p0)) U (X(X(X(F(!p2))))||p1))))'
Support contains 4 out of 162 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 162/162 places, 196/196 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 13 place count 149 transition count 183
Iterating global reduction 0 with 13 rules applied. Total rules applied 26 place count 149 transition count 183
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 27 place count 149 transition count 182
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 33 place count 143 transition count 176
Iterating global reduction 1 with 6 rules applied. Total rules applied 39 place count 143 transition count 176
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 43 place count 143 transition count 172
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 44 place count 142 transition count 171
Iterating global reduction 2 with 1 rules applied. Total rules applied 45 place count 142 transition count 171
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 46 place count 142 transition count 170
Applied a total of 46 rules in 10 ms. Remains 142 /162 variables (removed 20) and now considering 170/196 (removed 26) transitions.
// Phase 1: matrix 170 rows 142 cols
[2025-06-03 02:38:40] [INFO ] Computed 6 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 02:38:40] [INFO ] Implicit Places using invariants in 134 ms returned []
[2025-06-03 02:38:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 02:38:40] [INFO ] Implicit Places using invariants and state equation in 240 ms returned []
Implicit Place search using SMT with State Equation took 376 ms to find 0 implicit places.
Running 169 sub problems to find dead transitions.
[2025-06-03 02:38:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/141 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 169 unsolved
At refinement iteration 1 (OVERLAPS) 1/142 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 169 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:38:43] [INFO ] Deduced a trap composed of 26 places in 72 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:38:43] [INFO ] Deduced a trap composed of 49 places in 63 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/142 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 169 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/142 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 169 unsolved
At refinement iteration 4 (OVERLAPS) 170/312 variables, 142/150 constraints. Problems are: Problem set: 0 solved, 169 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 169 unsolved
At refinement iteration 6 (OVERLAPS) 0/312 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 169 unsolved
No progress, stopping.
After SMT solving in domain Real declared 312/312 variables, and 150 constraints, problems are : Problem set: 0 solved, 169 unsolved in 14505 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 142/142 constraints, PredecessorRefiner: 169/169 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 169 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/141 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 169 unsolved
At refinement iteration 1 (OVERLAPS) 1/142 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 169 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/142 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 169 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/142 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 169 unsolved
At refinement iteration 4 (OVERLAPS) 170/312 variables, 142/150 constraints. Problems are: Problem set: 0 solved, 169 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 169/319 constraints. Problems are: Problem set: 0 solved, 169 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:38:58] [INFO ] Deduced a trap composed of 31 places in 103 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:38:58] [INFO ] Deduced a trap composed of 45 places in 110 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:38:59] [INFO ] Deduced a trap composed of 48 places in 106 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:38:59] [INFO ] Deduced a trap composed of 49 places in 85 ms of which 9 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 4/323 constraints. Problems are: Problem set: 0 solved, 169 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:39:00] [INFO ] Deduced a trap composed of 22 places in 91 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:39:00] [INFO ] Deduced a trap composed of 37 places in 79 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:39:01] [INFO ] Deduced a trap composed of 88 places in 100 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:39:01] [INFO ] Deduced a trap composed of 89 places in 100 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:39:02] [INFO ] Deduced a trap composed of 84 places in 81 ms of which 8 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/312 variables, 5/328 constraints. Problems are: Problem set: 0 solved, 169 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:39:03] [INFO ] Deduced a trap composed of 35 places in 103 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:39:04] [INFO ] Deduced a trap composed of 85 places in 94 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:39:05] [INFO ] Deduced a trap composed of 86 places in 89 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:39:05] [INFO ] Deduced a trap composed of 89 places in 99 ms of which 19 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/312 variables, 4/332 constraints. Problems are: Problem set: 0 solved, 169 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:39:08] [INFO ] Deduced a trap along path composed of 4 places in 45 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/312 variables, 1/333 constraints. Problems are: Problem set: 0 solved, 169 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/312 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 169 unsolved
At refinement iteration 11 (OVERLAPS) 0/312 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 169 unsolved
No progress, stopping.
After SMT solving in domain Int declared 312/312 variables, and 333 constraints, problems are : Problem set: 0 solved, 169 unsolved in 28183 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 142/142 constraints, PredecessorRefiner: 169/169 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 42709ms problems are : Problem set: 0 solved, 169 unsolved
Search for dead transitions found 0 dead transitions in 42710ms
Starting structural reductions in LTL mode, iteration 1 : 142/162 places, 170/196 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 43097 ms. Remains : 142/162 places, 170/196 transitions.
Stuttering acceptance computed with spot in 403 ms :[(AND (NOT p1) p2), (OR (AND (NOT p1) p2) (AND (NOT p0) p2)), (AND (NOT p0) p2), (OR (AND (NOT p0) p2) (AND (NOT p1) p2)), p2, (AND p2 (NOT p0)), (OR (AND (NOT p1) p2) (AND (NOT p0) p2))]
Running random walk in product with property : FlexibleBarrier-PT-04b-LTLCardinality-11
Stuttering criterion allowed to conclude after 88668 steps with 1945 reset in 285 ms.
FORMULA FlexibleBarrier-PT-04b-LTLCardinality-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-04b-LTLCardinality-11 finished in 43826 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 2 out of 162 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 162/162 places, 196/196 transitions.
Discarding 15 places :
Symmetric choice reduction at 0 with 15 rule applications. Total rules 15 place count 147 transition count 181
Iterating global reduction 0 with 15 rules applied. Total rules applied 30 place count 147 transition count 181
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 31 place count 147 transition count 180
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 38 place count 140 transition count 173
Iterating global reduction 1 with 7 rules applied. Total rules applied 45 place count 140 transition count 173
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 48 place count 140 transition count 170
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 49 place count 139 transition count 169
Iterating global reduction 2 with 1 rules applied. Total rules applied 50 place count 139 transition count 169
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 51 place count 139 transition count 168
Applied a total of 51 rules in 8 ms. Remains 139 /162 variables (removed 23) and now considering 168/196 (removed 28) transitions.
// Phase 1: matrix 168 rows 139 cols
[2025-06-03 02:39:24] [INFO ] Computed 6 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 02:39:24] [INFO ] Implicit Places using invariants in 94 ms returned []
[2025-06-03 02:39:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 02:39:24] [INFO ] Implicit Places using invariants and state equation in 172 ms returned []
Implicit Place search using SMT with State Equation took 268 ms to find 0 implicit places.
Running 167 sub problems to find dead transitions.
[2025-06-03 02:39:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/138 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 1 (OVERLAPS) 1/139 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/139 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 3 (OVERLAPS) 168/307 variables, 139/145 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/307 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 5 (OVERLAPS) 0/307 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 167 unsolved
No progress, stopping.
After SMT solving in domain Real declared 307/307 variables, and 145 constraints, problems are : Problem set: 0 solved, 167 unsolved in 11980 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 139/139 constraints, PredecessorRefiner: 167/167 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/138 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 1 (OVERLAPS) 1/139 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/139 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 3 (OVERLAPS) 168/307 variables, 139/145 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/307 variables, 167/312 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:39:40] [INFO ] Deduced a trap composed of 25 places in 72 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:39:40] [INFO ] Deduced a trap composed of 46 places in 115 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:39:41] [INFO ] Deduced a trap composed of 48 places in 107 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:39:41] [INFO ] Deduced a trap composed of 49 places in 98 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:39:42] [INFO ] Deduced a trap composed of 49 places in 85 ms of which 8 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/307 variables, 5/317 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:39:43] [INFO ] Deduced a trap composed of 23 places in 67 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:39:43] [INFO ] Deduced a trap composed of 90 places in 101 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:39:44] [INFO ] Deduced a trap composed of 85 places in 98 ms of which 12 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/307 variables, 3/320 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:39:47] [INFO ] Deduced a trap composed of 85 places in 101 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:39:47] [INFO ] Deduced a trap composed of 87 places in 97 ms of which 13 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/307 variables, 2/322 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:39:51] [INFO ] Deduced a trap composed of 85 places in 105 ms of which 13 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/307 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 02:39:54] [INFO ] Deduced a trap along path composed of 4 places in 53 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/307 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/307 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 307/307 variables, and 324 constraints, problems are : Problem set: 0 solved, 167 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 139/139 constraints, PredecessorRefiner: 167/167 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 42007ms problems are : Problem set: 0 solved, 167 unsolved
Search for dead transitions found 0 dead transitions in 42007ms
Starting structural reductions in LTL mode, iteration 1 : 139/162 places, 168/196 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 42284 ms. Remains : 139/162 places, 168/196 transitions.
Stuttering acceptance computed with spot in 126 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-04b-LTLCardinality-14
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-04b-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-04b-LTLCardinality-14 finished in 42431 ms.
All properties solved by simple procedures.
Total runtime 241383 ms.
BK_STOP 1748918406562
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FlexibleBarrier-PT-04b"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is FlexibleBarrier-PT-04b, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r086-smll-174860102500411"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-04b.tgz
mv FlexibleBarrier-PT-04b execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLCardinality.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;