About the Execution of ITS-Tools for FlexibleBarrier-PT-10b
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 839410.00 | 0.00 | 0.00 | FFFFFFFFFFFFFTFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r086-smll-174860102600460.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-10b, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r086-smll-174860102600460
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 812K
-rw-r--r-- 1 mcc users 6.5K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K 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 4.0K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K 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 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.9K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 104K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K 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 374K 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-10b-LTLFireability-00
FORMULA_NAME FlexibleBarrier-PT-10b-LTLFireability-01
FORMULA_NAME FlexibleBarrier-PT-10b-LTLFireability-02
FORMULA_NAME FlexibleBarrier-PT-10b-LTLFireability-03
FORMULA_NAME FlexibleBarrier-PT-10b-LTLFireability-04
FORMULA_NAME FlexibleBarrier-PT-10b-LTLFireability-05
FORMULA_NAME FlexibleBarrier-PT-10b-LTLFireability-06
FORMULA_NAME FlexibleBarrier-PT-10b-LTLFireability-07
FORMULA_NAME FlexibleBarrier-PT-10b-LTLFireability-08
FORMULA_NAME FlexibleBarrier-PT-10b-LTLFireability-09
FORMULA_NAME FlexibleBarrier-PT-10b-LTLFireability-10
FORMULA_NAME FlexibleBarrier-PT-10b-LTLFireability-11
FORMULA_NAME FlexibleBarrier-PT-10b-LTLFireability-12
FORMULA_NAME FlexibleBarrier-PT-10b-LTLFireability-13
FORMULA_NAME FlexibleBarrier-PT-10b-LTLFireability-14
FORMULA_NAME FlexibleBarrier-PT-10b-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1748936300990
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FlexibleBarrier-PT-10b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-03 07:38:22] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-03 07:38:22] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 07:38:23] [INFO ] Load time of PNML (sax parser for PT used): 223 ms
[2025-06-03 07:38:23] [INFO ] Transformed 1402 places.
[2025-06-03 07:38:23] [INFO ] Transformed 1613 transitions.
[2025-06-03 07:38:23] [INFO ] Found NUPN structural information;
[2025-06-03 07:38:23] [INFO ] Parsed PT model containing 1402 places and 1613 transitions and 4025 arcs in 396 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 15 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA FlexibleBarrier-PT-10b-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-10b-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 49 out of 1402 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1402/1402 places, 1613/1613 transitions.
Discarding 525 places :
Symmetric choice reduction at 0 with 525 rule applications. Total rules 525 place count 877 transition count 1088
Iterating global reduction 0 with 525 rules applied. Total rules applied 1050 place count 877 transition count 1088
Discarding 234 places :
Symmetric choice reduction at 0 with 234 rule applications. Total rules 1284 place count 643 transition count 854
Iterating global reduction 0 with 234 rules applied. Total rules applied 1518 place count 643 transition count 854
Discarding 138 places :
Symmetric choice reduction at 0 with 138 rule applications. Total rules 1656 place count 505 transition count 716
Iterating global reduction 0 with 138 rules applied. Total rules applied 1794 place count 505 transition count 716
Ensure Unique test removed 61 transitions
Reduce isomorphic transitions removed 61 transitions.
Iterating post reduction 0 with 61 rules applied. Total rules applied 1855 place count 505 transition count 655
Applied a total of 1855 rules in 310 ms. Remains 505 /1402 variables (removed 897) and now considering 655/1613 (removed 958) transitions.
// Phase 1: matrix 655 rows 505 cols
[2025-06-03 07:38:24] [INFO ] Computed 12 invariants in 44 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 07:38:24] [INFO ] Implicit Places using invariants in 851 ms returned []
[2025-06-03 07:38:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 07:38:25] [INFO ] Implicit Places using invariants and state equation in 769 ms returned []
Implicit Place search using SMT with State Equation took 1686 ms to find 0 implicit places.
Running 654 sub problems to find dead transitions.
[2025-06-03 07:38:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/504 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 654 unsolved
At refinement iteration 1 (OVERLAPS) 1/505 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 654 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:38:47] [INFO ] Deduced a trap composed of 129 places in 382 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:38:50] [INFO ] Deduced a trap composed of 131 places in 234 ms of which 31 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/505 variables, 2/14 constraints. Problems are: Problem set: 0 solved, 654 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 505/1160 variables, and 14 constraints, problems are : Problem set: 0 solved, 654 unsolved in 30056 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 0/505 constraints, PredecessorRefiner: 654/654 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 654 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/504 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 654 unsolved
At refinement iteration 1 (OVERLAPS) 1/505 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 654 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/505 variables, 2/14 constraints. Problems are: Problem set: 0 solved, 654 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/505 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 654 unsolved
At refinement iteration 4 (OVERLAPS) 655/1160 variables, 505/519 constraints. Problems are: Problem set: 0 solved, 654 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1160 variables, 654/1173 constraints. Problems are: Problem set: 0 solved, 654 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:39:20] [INFO ] Deduced a trap composed of 39 places in 113 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:39:23] [INFO ] Deduced a trap composed of 89 places in 312 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:39:25] [INFO ] Deduced a trap composed of 95 places in 302 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:39:25] [INFO ] Deduced a trap composed of 36 places in 318 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:39:26] [INFO ] Deduced a trap composed of 33 places in 307 ms of which 29 ms to minimize.
SMT process timed out in 60721ms, After SMT, problems are : Problem set: 0 solved, 654 unsolved
Search for dead transitions found 0 dead transitions in 60747ms
Starting structural reductions in LTL mode, iteration 1 : 505/1402 places, 655/1613 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62775 ms. Remains : 505/1402 places, 655/1613 transitions.
Support contains 49 out of 505 places after structural reductions.
[2025-06-03 07:39:26] [INFO ] Flatten gal took : 98 ms
[2025-06-03 07:39:26] [INFO ] Flatten gal took : 52 ms
[2025-06-03 07:39:26] [INFO ] Input system was already deterministic with 655 transitions.
RANDOM walk for 40000 steps (529 resets) in 2062 ms. (19 steps per ms) remains 27/36 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 9 ms. (400 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 32 ms. (121 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 30 ms. (129 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 12 ms. (307 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 18 ms. (210 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4002 steps (8 resets) in 15 ms. (250 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 22 ms. (174 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 16 ms. (235 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 16 ms. (235 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 18 ms. (210 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 9 ms. (400 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 11 ms. (333 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 27/27 properties
[2025-06-03 07:39:27] [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) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 1 (OVERLAPS) 359/392 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 27 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:39:28] [INFO ] Deduced a trap composed of 82 places in 91 ms of which 11 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/392 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 4 (OVERLAPS) 113/505 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/505 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 6 (OVERLAPS) 655/1160 variables, 505/518 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1160 variables, 0/518 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 8 (OVERLAPS) 0/1160 variables, 0/518 constraints. Problems are: Problem set: 0 solved, 27 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1160/1160 variables, and 518 constraints, problems are : Problem set: 0 solved, 27 unsolved in 2406 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 505/505 constraints, PredecessorRefiner: 27/27 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 27 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 1 (OVERLAPS) 359/392 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 27 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:39:30] [INFO ] Deduced a trap composed of 132 places in 233 ms of which 46 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/392 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 27 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:39:31] [INFO ] Deduced a trap composed of 130 places in 251 ms of which 50 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/392 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/392 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 6 (OVERLAPS) 113/505 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/505 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 8 (OVERLAPS) 655/1160 variables, 505/520 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1160 variables, 27/547 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1160 variables, 0/547 constraints. Problems are: Problem set: 0 solved, 27 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1160/1160 variables, and 547 constraints, problems are : Problem set: 0 solved, 27 unsolved in 5009 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 505/505 constraints, PredecessorRefiner: 27/27 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7431ms problems are : Problem set: 0 solved, 27 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 33 out of 505 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 655/655 transitions.
Graph (trivial) has 433 edges and 505 vertex of which 61 / 505 are part of one of the 10 SCC in 4 ms
Free SCC test removed 51 places
Drop transitions (Empty/Sink Transition effects.) removed 62 transitions
Reduce isomorphic transitions removed 62 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 45 transitions
Trivial Post-agglo rules discarded 45 transitions
Performed 45 trivial Post agglomeration. Transition count delta: 45
Iterating post reduction 0 with 45 rules applied. Total rules applied 46 place count 454 transition count 548
Reduce places removed 45 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 46 rules applied. Total rules applied 92 place count 409 transition count 547
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 93 place count 408 transition count 547
Performed 22 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 22 Pre rules applied. Total rules applied 93 place count 408 transition count 525
Deduced a syphon composed of 22 places in 1 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 3 with 44 rules applied. Total rules applied 137 place count 386 transition count 525
Discarding 23 places :
Symmetric choice reduction at 3 with 23 rule applications. Total rules 160 place count 363 transition count 502
Iterating global reduction 3 with 23 rules applied. Total rules applied 183 place count 363 transition count 502
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 184 place count 363 transition count 501
Discarding 6 places :
Symmetric choice reduction at 4 with 6 rule applications. Total rules 190 place count 357 transition count 495
Iterating global reduction 4 with 6 rules applied. Total rules applied 196 place count 357 transition count 495
Performed 66 Post agglomeration using F-continuation condition.Transition count delta: 66
Deduced a syphon composed of 66 places in 0 ms
Reduce places removed 66 places and 0 transitions.
Iterating global reduction 4 with 132 rules applied. Total rules applied 328 place count 291 transition count 429
Drop transitions (Empty/Sink Transition effects.) removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 4 with 19 rules applied. Total rules applied 347 place count 291 transition count 410
Discarding 11 places :
Symmetric choice reduction at 5 with 11 rule applications. Total rules 358 place count 280 transition count 399
Iterating global reduction 5 with 11 rules applied. Total rules applied 369 place count 280 transition count 399
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 370 place count 280 transition count 398
Free-agglomeration rule applied 188 times.
Iterating global reduction 6 with 188 rules applied. Total rules applied 558 place count 280 transition count 210
Reduce places removed 188 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 44 transitions
Reduce isomorphic transitions removed 44 transitions.
Iterating post reduction 6 with 232 rules applied. Total rules applied 790 place count 92 transition count 166
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 7 with 4 rules applied. Total rules applied 794 place count 92 transition count 162
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 7 with 1 rules applied. Total rules applied 795 place count 91 transition count 161
Reduce places removed 1 places and 0 transitions.
Graph (trivial) has 50 edges and 90 vertex of which 20 / 90 are part of one of the 10 SCC in 1 ms
Free SCC test removed 10 places
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 7 with 3 rules applied. Total rules applied 798 place count 80 transition count 160
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 8 with 21 rules applied. Total rules applied 819 place count 79 transition count 140
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 9 with 10 Pre rules applied. Total rules applied 819 place count 79 transition count 130
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 9 with 20 rules applied. Total rules applied 839 place count 69 transition count 130
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 9 with 9 rules applied. Total rules applied 848 place count 69 transition count 121
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 10 with 18 rules applied. Total rules applied 866 place count 60 transition count 112
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 10 with 1 rules applied. Total rules applied 867 place count 60 transition count 111
Free-agglomeration rule applied 10 times.
Iterating global reduction 10 with 10 rules applied. Total rules applied 877 place count 60 transition count 101
Reduce places removed 13 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 10 with 29 rules applied. Total rules applied 906 place count 47 transition count 85
Drop transitions (Redundant composition of simpler transitions.) removed 17 transitions
Redundant transition composition rules discarded 17 transitions
Iterating global reduction 11 with 17 rules applied. Total rules applied 923 place count 47 transition count 68
Applied a total of 923 rules in 279 ms. Remains 47 /505 variables (removed 458) and now considering 68/655 (removed 587) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 279 ms. Remains : 47/505 places, 68/655 transitions.
RANDOM walk for 2743 steps (127 resets) in 39 ms. (68 steps per ms) remains 0/27 properties
FORMULA FlexibleBarrier-PT-10b-LTLFireability-07 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 12 stabilizing places and 12 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((X(p1)&&p0)))))'
Support contains 3 out of 505 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 505/505 places, 655/655 transitions.
Discarding 27 places :
Symmetric choice reduction at 0 with 27 rule applications. Total rules 27 place count 478 transition count 628
Iterating global reduction 0 with 27 rules applied. Total rules applied 54 place count 478 transition count 628
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 58 place count 478 transition count 624
Discarding 19 places :
Symmetric choice reduction at 1 with 19 rule applications. Total rules 77 place count 459 transition count 605
Iterating global reduction 1 with 19 rules applied. Total rules applied 96 place count 459 transition count 605
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 1 with 11 rules applied. Total rules applied 107 place count 459 transition count 594
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 114 place count 452 transition count 587
Iterating global reduction 2 with 7 rules applied. Total rules applied 121 place count 452 transition count 587
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 452 transition count 583
Applied a total of 125 rules in 97 ms. Remains 452 /505 variables (removed 53) and now considering 583/655 (removed 72) transitions.
// Phase 1: matrix 583 rows 452 cols
[2025-06-03 07:39:36] [INFO ] Computed 12 invariants in 8 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 07:39:36] [INFO ] Implicit Places using invariants in 349 ms returned []
[2025-06-03 07:39:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 07:39:37] [INFO ] Implicit Places using invariants and state equation in 684 ms returned []
Implicit Place search using SMT with State Equation took 1035 ms to find 0 implicit places.
Running 582 sub problems to find dead transitions.
[2025-06-03 07:39:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/451 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 582 unsolved
At refinement iteration 1 (OVERLAPS) 1/452 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 582 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/452 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 582 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 583/1035 variables, 452/464 constraints. Problems are: Problem set: 0 solved, 582 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1035/1035 variables, and 464 constraints, problems are : Problem set: 0 solved, 582 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 452/452 constraints, PredecessorRefiner: 582/582 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 582 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/451 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 582 unsolved
At refinement iteration 1 (OVERLAPS) 1/452 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 582 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/452 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 582 unsolved
At refinement iteration 3 (OVERLAPS) 583/1035 variables, 452/464 constraints. Problems are: Problem set: 0 solved, 582 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1035 variables, 582/1046 constraints. Problems are: Problem set: 0 solved, 582 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:40:30] [INFO ] Deduced a trap composed of 36 places in 106 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:40:32] [INFO ] Deduced a trap composed of 87 places in 273 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:40:32] [INFO ] Deduced a trap composed of 28 places in 254 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:40:33] [INFO ] Deduced a trap composed of 210 places in 273 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:40:33] [INFO ] Deduced a trap composed of 269 places in 260 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:40:34] [INFO ] Deduced a trap composed of 91 places in 250 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:40:34] [INFO ] Deduced a trap composed of 91 places in 260 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:40:35] [INFO ] Deduced a trap composed of 92 places in 183 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:40:36] [INFO ] Deduced a trap composed of 93 places in 227 ms of which 17 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1035/1035 variables, and 1055 constraints, problems are : Problem set: 0 solved, 582 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 452/452 constraints, PredecessorRefiner: 582/582 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60204ms problems are : Problem set: 0 solved, 582 unsolved
Search for dead transitions found 0 dead transitions in 60208ms
Starting structural reductions in LTL mode, iteration 1 : 452/505 places, 583/655 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61344 ms. Remains : 452/505 places, 583/655 transitions.
Stuttering acceptance computed with spot in 349 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : FlexibleBarrier-PT-10b-LTLFireability-00
Stuttering criterion allowed to conclude after 82 steps with 0 reset in 3 ms.
FORMULA FlexibleBarrier-PT-10b-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-10b-LTLFireability-00 finished in 61788 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)&&X(F((p1&&X(((!p2&&X(p2))||X(G(p2))))))))))'
Support contains 5 out of 505 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 505/505 places, 655/655 transitions.
Discarding 26 places :
Symmetric choice reduction at 0 with 26 rule applications. Total rules 26 place count 479 transition count 629
Iterating global reduction 0 with 26 rules applied. Total rules applied 52 place count 479 transition count 629
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 55 place count 479 transition count 626
Discarding 19 places :
Symmetric choice reduction at 1 with 19 rule applications. Total rules 74 place count 460 transition count 607
Iterating global reduction 1 with 19 rules applied. Total rules applied 93 place count 460 transition count 607
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 103 place count 460 transition count 597
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 111 place count 452 transition count 589
Iterating global reduction 2 with 8 rules applied. Total rules applied 119 place count 452 transition count 589
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 124 place count 452 transition count 584
Applied a total of 124 rules in 68 ms. Remains 452 /505 variables (removed 53) and now considering 584/655 (removed 71) transitions.
// Phase 1: matrix 584 rows 452 cols
[2025-06-03 07:40:37] [INFO ] Computed 12 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 07:40:38] [INFO ] Implicit Places using invariants in 357 ms returned []
[2025-06-03 07:40:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 07:40:38] [INFO ] Implicit Places using invariants and state equation in 671 ms returned []
Implicit Place search using SMT with State Equation took 1031 ms to find 0 implicit places.
Running 583 sub problems to find dead transitions.
[2025-06-03 07:40:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/451 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 583 unsolved
At refinement iteration 1 (OVERLAPS) 1/452 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 583 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/452 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 583 unsolved
At refinement iteration 3 (OVERLAPS) 584/1036 variables, 452/464 constraints. Problems are: Problem set: 0 solved, 583 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1036/1036 variables, and 464 constraints, problems are : Problem set: 0 solved, 583 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 452/452 constraints, PredecessorRefiner: 583/583 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 583 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/451 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 583 unsolved
At refinement iteration 1 (OVERLAPS) 1/452 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 583 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/452 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 583 unsolved
At refinement iteration 3 (OVERLAPS) 584/1036 variables, 452/464 constraints. Problems are: Problem set: 0 solved, 583 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1036 variables, 583/1047 constraints. Problems are: Problem set: 0 solved, 583 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:41:33] [INFO ] Deduced a trap composed of 28 places in 270 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:41:33] [INFO ] Deduced a trap composed of 87 places in 270 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:41:34] [INFO ] Deduced a trap composed of 270 places in 288 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:41:35] [INFO ] Deduced a trap composed of 91 places in 248 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:41:36] [INFO ] Deduced a trap composed of 92 places in 258 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:41:36] [INFO ] Deduced a trap composed of 33 places in 256 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:41:37] [INFO ] Deduced a trap composed of 38 places in 140 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:41:37] [INFO ] Deduced a trap composed of 93 places in 223 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:41:38] [INFO ] Deduced a trap composed of 95 places in 200 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:41:39] [INFO ] Deduced a trap composed of 96 places in 236 ms of which 16 ms to minimize.
SMT process timed out in 60220ms, After SMT, problems are : Problem set: 0 solved, 583 unsolved
Search for dead transitions found 0 dead transitions in 60223ms
Starting structural reductions in LTL mode, iteration 1 : 452/505 places, 584/655 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61325 ms. Remains : 452/505 places, 584/655 transitions.
Stuttering acceptance computed with spot in 364 ms :[(OR (NOT p0) (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p1) (NOT p2)), (NOT p0), (OR (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2)]
Running random walk in product with property : FlexibleBarrier-PT-10b-LTLFireability-02
Stuttering criterion allowed to conclude after 78 steps with 0 reset in 2 ms.
FORMULA FlexibleBarrier-PT-10b-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-10b-LTLFireability-02 finished in 61738 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||(p1&&X((p1&&F(G(p1))))))))'
Support contains 2 out of 505 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 505/505 places, 655/655 transitions.
Discarding 26 places :
Symmetric choice reduction at 0 with 26 rule applications. Total rules 26 place count 479 transition count 629
Iterating global reduction 0 with 26 rules applied. Total rules applied 52 place count 479 transition count 629
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 56 place count 479 transition count 625
Discarding 18 places :
Symmetric choice reduction at 1 with 18 rule applications. Total rules 74 place count 461 transition count 607
Iterating global reduction 1 with 18 rules applied. Total rules applied 92 place count 461 transition count 607
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 101 place count 461 transition count 598
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 109 place count 453 transition count 590
Iterating global reduction 2 with 8 rules applied. Total rules applied 117 place count 453 transition count 590
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 122 place count 453 transition count 585
Applied a total of 122 rules in 37 ms. Remains 453 /505 variables (removed 52) and now considering 585/655 (removed 70) transitions.
// Phase 1: matrix 585 rows 453 cols
[2025-06-03 07:41:39] [INFO ] Computed 12 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 07:41:40] [INFO ] Implicit Places using invariants in 463 ms returned []
[2025-06-03 07:41:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 07:41:40] [INFO ] Implicit Places using invariants and state equation in 669 ms returned []
Implicit Place search using SMT with State Equation took 1134 ms to find 0 implicit places.
Running 584 sub problems to find dead transitions.
[2025-06-03 07:41:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/452 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 584 unsolved
At refinement iteration 1 (OVERLAPS) 1/453 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 584 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/453 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 584 unsolved
At refinement iteration 3 (OVERLAPS) 585/1038 variables, 453/465 constraints. Problems are: Problem set: 0 solved, 584 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1038/1038 variables, and 465 constraints, problems are : Problem set: 0 solved, 584 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 453/453 constraints, PredecessorRefiner: 584/584 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 584 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/452 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 584 unsolved
At refinement iteration 1 (OVERLAPS) 1/453 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 584 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/453 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 584 unsolved
At refinement iteration 3 (OVERLAPS) 585/1038 variables, 453/465 constraints. Problems are: Problem set: 0 solved, 584 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1038 variables, 584/1049 constraints. Problems are: Problem set: 0 solved, 584 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:42:34] [INFO ] Deduced a trap composed of 28 places in 273 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:42:35] [INFO ] Deduced a trap composed of 33 places in 330 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:42:35] [INFO ] Deduced a trap composed of 87 places in 229 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:42:37] [INFO ] Deduced a trap composed of 92 places in 266 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:42:37] [INFO ] Deduced a trap composed of 92 places in 187 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:42:39] [INFO ] Deduced a trap composed of 95 places in 180 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:42:40] [INFO ] Deduced a trap composed of 96 places in 126 ms of which 9 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1038/1038 variables, and 1056 constraints, problems are : Problem set: 0 solved, 584 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 453/453 constraints, PredecessorRefiner: 584/584 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60159ms problems are : Problem set: 0 solved, 584 unsolved
Search for dead transitions found 0 dead transitions in 60161ms
Starting structural reductions in LTL mode, iteration 1 : 453/505 places, 585/655 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61335 ms. Remains : 453/505 places, 585/655 transitions.
Stuttering acceptance computed with spot in 158 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), true, (NOT p1), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-10b-LTLFireability-03
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-10b-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-10b-LTLFireability-03 finished in 61515 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((((X(p0)&&F(p1))||X(G(p0)))&&((X(!p3) U ((!p3&&X(!p3))||X(G(!p3))))||p2))))'
Support contains 5 out of 505 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 505/505 places, 655/655 transitions.
Discarding 25 places :
Symmetric choice reduction at 0 with 25 rule applications. Total rules 25 place count 480 transition count 630
Iterating global reduction 0 with 25 rules applied. Total rules applied 50 place count 480 transition count 630
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 53 place count 480 transition count 627
Discarding 18 places :
Symmetric choice reduction at 1 with 18 rule applications. Total rules 71 place count 462 transition count 609
Iterating global reduction 1 with 18 rules applied. Total rules applied 89 place count 462 transition count 609
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 98 place count 462 transition count 600
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 106 place count 454 transition count 592
Iterating global reduction 2 with 8 rules applied. Total rules applied 114 place count 454 transition count 592
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 119 place count 454 transition count 587
Applied a total of 119 rules in 35 ms. Remains 454 /505 variables (removed 51) and now considering 587/655 (removed 68) transitions.
// Phase 1: matrix 587 rows 454 cols
[2025-06-03 07:42:41] [INFO ] Computed 12 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 07:42:41] [INFO ] Implicit Places using invariants in 386 ms returned []
[2025-06-03 07:42:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 07:42:42] [INFO ] Implicit Places using invariants and state equation in 666 ms returned []
Implicit Place search using SMT with State Equation took 1054 ms to find 0 implicit places.
Running 586 sub problems to find dead transitions.
[2025-06-03 07:42:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/453 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 586 unsolved
At refinement iteration 1 (OVERLAPS) 1/454 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 586 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/454 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 586 unsolved
At refinement iteration 3 (OVERLAPS) 587/1041 variables, 454/466 constraints. Problems are: Problem set: 0 solved, 586 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1041/1041 variables, and 466 constraints, problems are : Problem set: 0 solved, 586 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 454/454 constraints, PredecessorRefiner: 586/586 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 586 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/453 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 586 unsolved
At refinement iteration 1 (OVERLAPS) 1/454 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 586 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/454 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 586 unsolved
At refinement iteration 3 (OVERLAPS) 587/1041 variables, 454/466 constraints. Problems are: Problem set: 0 solved, 586 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1041 variables, 586/1052 constraints. Problems are: Problem set: 0 solved, 586 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:43:36] [INFO ] Deduced a trap composed of 29 places in 268 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:43:37] [INFO ] Deduced a trap composed of 32 places in 265 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:43:37] [INFO ] Deduced a trap composed of 88 places in 273 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:43:38] [INFO ] Deduced a trap composed of 273 places in 284 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:43:39] [INFO ] Deduced a trap composed of 91 places in 252 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:43:40] [INFO ] Deduced a trap composed of 92 places in 125 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:43:41] [INFO ] Deduced a trap composed of 93 places in 234 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:43:41] [INFO ] Deduced a trap composed of 34 places in 205 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:43:42] [INFO ] Deduced a trap composed of 94 places in 194 ms of which 15 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1041/1041 variables, and 1061 constraints, problems are : Problem set: 0 solved, 586 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 454/454 constraints, PredecessorRefiner: 586/586 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60159ms problems are : Problem set: 0 solved, 586 unsolved
Search for dead transitions found 0 dead transitions in 60161ms
Starting structural reductions in LTL mode, iteration 1 : 454/505 places, 587/655 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61252 ms. Remains : 454/505 places, 587/655 transitions.
Stuttering acceptance computed with spot in 292 ms :[(OR (NOT p0) (AND (NOT p2) p3)), (OR (NOT p0) (AND (NOT p2) p3)), (NOT p0), (AND (NOT p1) (NOT p0)), p3, p3, true, (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-10b-LTLFireability-04
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-10b-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-10b-LTLFireability-04 finished in 61577 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0&&G(p1)) U X(p2)))'
Support contains 3 out of 505 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 505/505 places, 655/655 transitions.
Discarding 26 places :
Symmetric choice reduction at 0 with 26 rule applications. Total rules 26 place count 479 transition count 629
Iterating global reduction 0 with 26 rules applied. Total rules applied 52 place count 479 transition count 629
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 56 place count 479 transition count 625
Discarding 18 places :
Symmetric choice reduction at 1 with 18 rule applications. Total rules 74 place count 461 transition count 607
Iterating global reduction 1 with 18 rules applied. Total rules applied 92 place count 461 transition count 607
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 101 place count 461 transition count 598
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 109 place count 453 transition count 590
Iterating global reduction 2 with 8 rules applied. Total rules applied 117 place count 453 transition count 590
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 122 place count 453 transition count 585
Applied a total of 122 rules in 36 ms. Remains 453 /505 variables (removed 52) and now considering 585/655 (removed 70) transitions.
// Phase 1: matrix 585 rows 453 cols
[2025-06-03 07:43:42] [INFO ] Computed 12 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 07:43:43] [INFO ] Implicit Places using invariants in 347 ms returned []
[2025-06-03 07:43:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 07:43:43] [INFO ] Implicit Places using invariants and state equation in 694 ms returned []
Implicit Place search using SMT with State Equation took 1056 ms to find 0 implicit places.
Running 584 sub problems to find dead transitions.
[2025-06-03 07:43:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/452 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 584 unsolved
At refinement iteration 1 (OVERLAPS) 1/453 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 584 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/453 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 584 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 585/1038 variables, 453/465 constraints. Problems are: Problem set: 0 solved, 584 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1038/1038 variables, and 465 constraints, problems are : Problem set: 0 solved, 584 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 453/453 constraints, PredecessorRefiner: 584/584 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 584 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/452 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 584 unsolved
At refinement iteration 1 (OVERLAPS) 1/453 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 584 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/453 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 584 unsolved
At refinement iteration 3 (OVERLAPS) 585/1038 variables, 453/465 constraints. Problems are: Problem set: 0 solved, 584 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1038 variables, 584/1049 constraints. Problems are: Problem set: 0 solved, 584 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:44:36] [INFO ] Deduced a trap composed of 37 places in 137 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:44:38] [INFO ] Deduced a trap composed of 87 places in 229 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:44:40] [INFO ] Deduced a trap composed of 91 places in 241 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:44:41] [INFO ] Deduced a trap composed of 95 places in 198 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:44:42] [INFO ] Deduced a trap composed of 94 places in 196 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:44:43] [INFO ] Deduced a trap composed of 96 places in 175 ms of which 14 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1038/1038 variables, and 1055 constraints, problems are : Problem set: 0 solved, 584 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 453/453 constraints, PredecessorRefiner: 584/584 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60157ms problems are : Problem set: 0 solved, 584 unsolved
Search for dead transitions found 0 dead transitions in 60159ms
Starting structural reductions in LTL mode, iteration 1 : 453/505 places, 585/655 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61257 ms. Remains : 453/505 places, 585/655 transitions.
Stuttering acceptance computed with spot in 168 ms :[(NOT p2), (NOT p2), (NOT p2), true, (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-10b-LTLFireability-05
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-10b-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-10b-LTLFireability-05 finished in 61444 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((G(p0)||X(X(F(p1))))) U X(p2)))'
Support contains 3 out of 505 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 505/505 places, 655/655 transitions.
Discarding 26 places :
Symmetric choice reduction at 0 with 26 rule applications. Total rules 26 place count 479 transition count 629
Iterating global reduction 0 with 26 rules applied. Total rules applied 52 place count 479 transition count 629
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 56 place count 479 transition count 625
Discarding 18 places :
Symmetric choice reduction at 1 with 18 rule applications. Total rules 74 place count 461 transition count 607
Iterating global reduction 1 with 18 rules applied. Total rules applied 92 place count 461 transition count 607
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 102 place count 461 transition count 597
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 109 place count 454 transition count 590
Iterating global reduction 2 with 7 rules applied. Total rules applied 116 place count 454 transition count 590
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 121 place count 454 transition count 585
Applied a total of 121 rules in 38 ms. Remains 454 /505 variables (removed 51) and now considering 585/655 (removed 70) transitions.
// Phase 1: matrix 585 rows 454 cols
[2025-06-03 07:44:44] [INFO ] Computed 12 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 07:44:44] [INFO ] Implicit Places using invariants in 412 ms returned []
[2025-06-03 07:44:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 07:44:45] [INFO ] Implicit Places using invariants and state equation in 687 ms returned []
Implicit Place search using SMT with State Equation took 1102 ms to find 0 implicit places.
Running 584 sub problems to find dead transitions.
[2025-06-03 07:44:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/453 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 584 unsolved
At refinement iteration 1 (OVERLAPS) 1/454 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 584 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/454 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 584 unsolved
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(s357 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 585/1039 variables, 454/466 constraints. Problems are: Problem set: 0 solved, 584 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1039/1039 variables, and 466 constraints, problems are : Problem set: 0 solved, 584 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 454/454 constraints, PredecessorRefiner: 584/584 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 584 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/453 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 584 unsolved
At refinement iteration 1 (OVERLAPS) 1/454 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 584 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/454 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 584 unsolved
At refinement iteration 3 (OVERLAPS) 585/1039 variables, 454/466 constraints. Problems are: Problem set: 0 solved, 584 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1039 variables, 584/1050 constraints. Problems are: Problem set: 0 solved, 584 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:45:38] [INFO ] Deduced a trap composed of 33 places in 100 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:45:39] [INFO ] Deduced a trap composed of 118 places in 210 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:45:39] [INFO ] Deduced a trap composed of 113 places in 268 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:45:40] [INFO ] Deduced a trap composed of 87 places in 261 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:45:41] [INFO ] Deduced a trap composed of 90 places in 258 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:45:43] [INFO ] Deduced a trap composed of 92 places in 222 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:45:44] [INFO ] Deduced a trap composed of 93 places in 209 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:45:44] [INFO ] Deduced a trap composed of 97 places in 154 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:45:45] [INFO ] Deduced a trap composed of 94 places in 193 ms of which 15 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1039/1039 variables, and 1059 constraints, problems are : Problem set: 0 solved, 584 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 454/454 constraints, PredecessorRefiner: 584/584 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60156ms problems are : Problem set: 0 solved, 584 unsolved
Search for dead transitions found 0 dead transitions in 60157ms
Starting structural reductions in LTL mode, iteration 1 : 454/505 places, 585/655 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61298 ms. Remains : 454/505 places, 585/655 transitions.
Stuttering acceptance computed with spot in 296 ms :[(NOT p2), (NOT p2), (AND (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-10b-LTLFireability-06
Stuttering criterion allowed to conclude after 70 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-10b-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-10b-LTLFireability-06 finished in 61620 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 3 out of 505 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 505/505 places, 655/655 transitions.
Graph (trivial) has 465 edges and 505 vertex of which 55 / 505 are part of one of the 9 SCC in 2 ms
Free SCC test removed 46 places
Ensure Unique test removed 47 transitions
Reduce isomorphic transitions removed 47 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 50 transitions
Trivial Post-agglo rules discarded 50 transitions
Performed 50 trivial Post agglomeration. Transition count delta: 50
Iterating post reduction 0 with 50 rules applied. Total rules applied 51 place count 458 transition count 557
Reduce places removed 50 places and 0 transitions.
Iterating post reduction 1 with 50 rules applied. Total rules applied 101 place count 408 transition count 557
Performed 30 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 30 Pre rules applied. Total rules applied 101 place count 408 transition count 527
Deduced a syphon composed of 30 places in 0 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 2 with 60 rules applied. Total rules applied 161 place count 378 transition count 527
Discarding 42 places :
Symmetric choice reduction at 2 with 42 rule applications. Total rules 203 place count 336 transition count 485
Iterating global reduction 2 with 42 rules applied. Total rules applied 245 place count 336 transition count 485
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 249 place count 336 transition count 481
Discarding 13 places :
Symmetric choice reduction at 3 with 13 rule applications. Total rules 262 place count 323 transition count 468
Iterating global reduction 3 with 13 rules applied. Total rules applied 275 place count 323 transition count 468
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 3 with 12 rules applied. Total rules applied 287 place count 323 transition count 456
Performed 66 Post agglomeration using F-continuation condition.Transition count delta: 66
Deduced a syphon composed of 66 places in 0 ms
Reduce places removed 66 places and 0 transitions.
Iterating global reduction 4 with 132 rules applied. Total rules applied 419 place count 257 transition count 390
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 422 place count 254 transition count 387
Iterating global reduction 4 with 3 rules applied. Total rules applied 425 place count 254 transition count 387
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 428 place count 254 transition count 384
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 430 place count 253 transition count 384
Drop transitions (Redundant composition of simpler transitions.) removed 11 transitions
Redundant transition composition rules discarded 11 transitions
Iterating global reduction 5 with 11 rules applied. Total rules applied 441 place count 253 transition count 373
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 443 place count 251 transition count 371
Applied a total of 443 rules in 158 ms. Remains 251 /505 variables (removed 254) and now considering 371/655 (removed 284) transitions.
[2025-06-03 07:45:45] [INFO ] Flow matrix only has 353 transitions (discarded 18 similar events)
// Phase 1: matrix 353 rows 251 cols
[2025-06-03 07:45:45] [INFO ] Computed 12 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 07:45:46] [INFO ] Implicit Places using invariants in 276 ms returned []
[2025-06-03 07:45:46] [INFO ] Flow matrix only has 353 transitions (discarded 18 similar events)
[2025-06-03 07:45:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 07:45:46] [INFO ] Implicit Places using invariants and state equation in 428 ms returned []
Implicit Place search using SMT with State Equation took 706 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 07:45:46] [INFO ] Redundant transitions in 29 ms returned []
Running 188 sub problems to find dead transitions.
[2025-06-03 07:45:46] [INFO ] Flow matrix only has 353 transitions (discarded 18 similar events)
[2025-06-03 07:45:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/241 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/241 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 2 (OVERLAPS) 10/251 variables, 10/12 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/251 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 4 (OVERLAPS) 352/603 variables, 251/263 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/603 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 6 (OVERLAPS) 0/603 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 188 unsolved
No progress, stopping.
After SMT solving in domain Real declared 603/604 variables, and 263 constraints, problems are : Problem set: 0 solved, 188 unsolved in 15776 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 251/251 constraints, PredecessorRefiner: 188/188 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 188 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/241 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/241 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 2 (OVERLAPS) 10/251 variables, 10/12 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/251 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 4 (OVERLAPS) 352/603 variables, 251/263 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/603 variables, 188/451 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/603 variables, 0/451 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 7 (OVERLAPS) 0/603 variables, 0/451 constraints. Problems are: Problem set: 0 solved, 188 unsolved
No progress, stopping.
After SMT solving in domain Int declared 603/604 variables, and 451 constraints, problems are : Problem set: 0 solved, 188 unsolved in 16890 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 251/251 constraints, PredecessorRefiner: 188/188 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 32738ms problems are : Problem set: 0 solved, 188 unsolved
Search for dead transitions found 0 dead transitions in 32739ms
Starting structural reductions in SI_LTL mode, iteration 1 : 251/505 places, 371/655 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 33639 ms. Remains : 251/505 places, 371/655 transitions.
Stuttering acceptance computed with spot in 112 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-10b-LTLFireability-08
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-10b-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-10b-LTLFireability-08 finished in 33767 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(!p0) U p1))'
Support contains 5 out of 505 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 505/505 places, 655/655 transitions.
Graph (trivial) has 384 edges and 505 vertex of which 61 / 505 are part of one of the 10 SCC in 1 ms
Free SCC test removed 51 places
Ensure Unique test removed 52 transitions
Reduce isomorphic transitions removed 52 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 49 transitions
Trivial Post-agglo rules discarded 49 transitions
Performed 49 trivial Post agglomeration. Transition count delta: 49
Iterating post reduction 0 with 49 rules applied. Total rules applied 50 place count 453 transition count 553
Reduce places removed 49 places and 0 transitions.
Iterating post reduction 1 with 49 rules applied. Total rules applied 99 place count 404 transition count 553
Performed 32 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 32 Pre rules applied. Total rules applied 99 place count 404 transition count 521
Deduced a syphon composed of 32 places in 0 ms
Reduce places removed 32 places and 0 transitions.
Iterating global reduction 2 with 64 rules applied. Total rules applied 163 place count 372 transition count 521
Discarding 44 places :
Symmetric choice reduction at 2 with 44 rule applications. Total rules 207 place count 328 transition count 477
Iterating global reduction 2 with 44 rules applied. Total rules applied 251 place count 328 transition count 477
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 254 place count 328 transition count 474
Discarding 12 places :
Symmetric choice reduction at 3 with 12 rule applications. Total rules 266 place count 316 transition count 462
Iterating global reduction 3 with 12 rules applied. Total rules applied 278 place count 316 transition count 462
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 3 with 12 rules applied. Total rules applied 290 place count 316 transition count 450
Performed 62 Post agglomeration using F-continuation condition.Transition count delta: 62
Deduced a syphon composed of 62 places in 0 ms
Reduce places removed 62 places and 0 transitions.
Iterating global reduction 4 with 124 rules applied. Total rules applied 414 place count 254 transition count 388
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 418 place count 250 transition count 384
Iterating global reduction 4 with 4 rules applied. Total rules applied 422 place count 250 transition count 384
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 426 place count 250 transition count 380
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 428 place count 248 transition count 378
Applied a total of 428 rules in 105 ms. Remains 248 /505 variables (removed 257) and now considering 378/655 (removed 277) transitions.
[2025-06-03 07:46:19] [INFO ] Flow matrix only has 350 transitions (discarded 28 similar events)
// Phase 1: matrix 350 rows 248 cols
[2025-06-03 07:46:19] [INFO ] Computed 12 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 07:46:19] [INFO ] Implicit Places using invariants in 271 ms returned []
[2025-06-03 07:46:19] [INFO ] Flow matrix only has 350 transitions (discarded 28 similar events)
[2025-06-03 07:46:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 07:46:20] [INFO ] Implicit Places using invariants and state equation in 476 ms returned []
Implicit Place search using SMT with State Equation took 749 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 07:46:20] [INFO ] Redundant transitions in 7 ms returned []
Running 265 sub problems to find dead transitions.
[2025-06-03 07:46:20] [INFO ] Flow matrix only has 350 transitions (discarded 28 similar events)
[2025-06-03 07:46:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/247 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/247 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 2 (OVERLAPS) 1/248 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/248 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 4 (OVERLAPS) 349/597 variables, 248/260 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/597 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 6 (OVERLAPS) 0/597 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 265 unsolved
No progress, stopping.
After SMT solving in domain Real declared 597/598 variables, and 260 constraints, problems are : Problem set: 0 solved, 265 unsolved in 21840 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 248/248 constraints, PredecessorRefiner: 265/265 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 265 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/247 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/247 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 2 (OVERLAPS) 1/248 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/248 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 4 (OVERLAPS) 349/597 variables, 248/260 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/597 variables, 265/525 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/597 variables, 0/525 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 7 (OVERLAPS) 0/597 variables, 0/525 constraints. Problems are: Problem set: 0 solved, 265 unsolved
No progress, stopping.
After SMT solving in domain Int declared 597/598 variables, and 525 constraints, problems are : Problem set: 0 solved, 265 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 248/248 constraints, PredecessorRefiner: 265/265 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 51976ms problems are : Problem set: 0 solved, 265 unsolved
Search for dead transitions found 0 dead transitions in 51977ms
Starting structural reductions in SI_LTL mode, iteration 1 : 248/505 places, 378/655 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 52845 ms. Remains : 248/505 places, 378/655 transitions.
Stuttering acceptance computed with spot in 86 ms :[(NOT p1), true, p0]
Running random walk in product with property : FlexibleBarrier-PT-10b-LTLFireability-09
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-10b-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-10b-LTLFireability-09 finished in 52947 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(((p0 U (p1||G(p0)))&&(p2||G(p3))))))'
Support contains 4 out of 505 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 505/505 places, 655/655 transitions.
Discarding 24 places :
Symmetric choice reduction at 0 with 24 rule applications. Total rules 24 place count 481 transition count 631
Iterating global reduction 0 with 24 rules applied. Total rules applied 48 place count 481 transition count 631
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 52 place count 481 transition count 627
Discarding 18 places :
Symmetric choice reduction at 1 with 18 rule applications. Total rules 70 place count 463 transition count 609
Iterating global reduction 1 with 18 rules applied. Total rules applied 88 place count 463 transition count 609
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 98 place count 463 transition count 599
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 104 place count 457 transition count 593
Iterating global reduction 2 with 6 rules applied. Total rules applied 110 place count 457 transition count 593
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 113 place count 457 transition count 590
Applied a total of 113 rules in 95 ms. Remains 457 /505 variables (removed 48) and now considering 590/655 (removed 65) transitions.
// Phase 1: matrix 590 rows 457 cols
[2025-06-03 07:47:12] [INFO ] Computed 12 invariants in 7 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 07:47:12] [INFO ] Implicit Places using invariants in 428 ms returned []
[2025-06-03 07:47:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 07:47:13] [INFO ] Implicit Places using invariants and state equation in 652 ms returned []
Implicit Place search using SMT with State Equation took 1082 ms to find 0 implicit places.
Running 589 sub problems to find dead transitions.
[2025-06-03 07:47:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/456 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 589 unsolved
At refinement iteration 1 (OVERLAPS) 1/457 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 589 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/457 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 589 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 590/1047 variables, 457/469 constraints. Problems are: Problem set: 0 solved, 589 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1047/1047 variables, and 469 constraints, problems are : Problem set: 0 solved, 589 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 457/457 constraints, PredecessorRefiner: 589/589 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 589 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/456 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 589 unsolved
At refinement iteration 1 (OVERLAPS) 1/457 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 589 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/457 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 589 unsolved
At refinement iteration 3 (OVERLAPS) 590/1047 variables, 457/469 constraints. Problems are: Problem set: 0 solved, 589 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1047 variables, 589/1058 constraints. Problems are: Problem set: 0 solved, 589 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:48:08] [INFO ] Deduced a trap composed of 28 places in 282 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:48:09] [INFO ] Deduced a trap composed of 87 places in 270 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:48:10] [INFO ] Deduced a trap composed of 94 places in 276 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:48:11] [INFO ] Deduced a trap composed of 91 places in 256 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:48:12] [INFO ] Deduced a trap composed of 92 places in 235 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:48:12] [INFO ] Deduced a trap composed of 93 places in 114 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:48:13] [INFO ] Deduced a trap composed of 94 places in 224 ms of which 15 ms to minimize.
SMT process timed out in 60186ms, After SMT, problems are : Problem set: 0 solved, 589 unsolved
Search for dead transitions found 0 dead transitions in 60188ms
Starting structural reductions in LTL mode, iteration 1 : 457/505 places, 590/655 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61368 ms. Remains : 457/505 places, 590/655 transitions.
Stuttering acceptance computed with spot in 150 ms :[true, (OR (AND (NOT p0) (NOT p1)) (AND (NOT p2) (NOT p3))), (OR (NOT p3) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p2) (NOT p3)))]
Running random walk in product with property : FlexibleBarrier-PT-10b-LTLFireability-10
Entered a terminal (fully accepting) state of product in 63 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-10b-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-10b-LTLFireability-10 finished in 61540 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(G(p0))&&(p1||F(G(p2))))))'
Support contains 2 out of 505 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 505/505 places, 655/655 transitions.
Discarding 26 places :
Symmetric choice reduction at 0 with 26 rule applications. Total rules 26 place count 479 transition count 629
Iterating global reduction 0 with 26 rules applied. Total rules applied 52 place count 479 transition count 629
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 56 place count 479 transition count 625
Discarding 19 places :
Symmetric choice reduction at 1 with 19 rule applications. Total rules 75 place count 460 transition count 606
Iterating global reduction 1 with 19 rules applied. Total rules applied 94 place count 460 transition count 606
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 104 place count 460 transition count 596
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 111 place count 453 transition count 589
Iterating global reduction 2 with 7 rules applied. Total rules applied 118 place count 453 transition count 589
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 122 place count 453 transition count 585
Applied a total of 122 rules in 48 ms. Remains 453 /505 variables (removed 52) and now considering 585/655 (removed 70) transitions.
// Phase 1: matrix 585 rows 453 cols
[2025-06-03 07:48:14] [INFO ] Computed 12 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 07:48:14] [INFO ] Implicit Places using invariants in 351 ms returned []
[2025-06-03 07:48:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 07:48:15] [INFO ] Implicit Places using invariants and state equation in 659 ms returned []
Implicit Place search using SMT with State Equation took 1022 ms to find 0 implicit places.
Running 584 sub problems to find dead transitions.
[2025-06-03 07:48:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/452 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 584 unsolved
At refinement iteration 1 (OVERLAPS) 1/453 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 584 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/453 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 584 unsolved
At refinement iteration 3 (OVERLAPS) 585/1038 variables, 453/465 constraints. Problems are: Problem set: 0 solved, 584 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1038/1038 variables, and 465 constraints, problems are : Problem set: 0 solved, 584 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 453/453 constraints, PredecessorRefiner: 584/584 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 584 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/452 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 584 unsolved
At refinement iteration 1 (OVERLAPS) 1/453 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 584 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/453 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 584 unsolved
At refinement iteration 3 (OVERLAPS) 585/1038 variables, 453/465 constraints. Problems are: Problem set: 0 solved, 584 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1038 variables, 584/1049 constraints. Problems are: Problem set: 0 solved, 584 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:49:09] [INFO ] Deduced a trap composed of 87 places in 278 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:49:10] [INFO ] Deduced a trap composed of 90 places in 253 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:49:12] [INFO ] Deduced a trap composed of 92 places in 226 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:49:13] [INFO ] Deduced a trap composed of 93 places in 214 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:49:13] [INFO ] Deduced a trap composed of 34 places in 228 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:49:14] [INFO ] Deduced a trap composed of 94 places in 192 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:49:15] [INFO ] Deduced a trap composed of 116 places in 157 ms of which 10 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1038/1038 variables, and 1056 constraints, problems are : Problem set: 0 solved, 584 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 453/453 constraints, PredecessorRefiner: 584/584 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60142ms problems are : Problem set: 0 solved, 584 unsolved
Search for dead transitions found 0 dead transitions in 60144ms
Starting structural reductions in LTL mode, iteration 1 : 453/505 places, 585/655 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61216 ms. Remains : 453/505 places, 585/655 transitions.
Stuttering acceptance computed with spot in 150 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (NOT p2)]
Running random walk in product with property : FlexibleBarrier-PT-10b-LTLFireability-12
Stuttering criterion allowed to conclude after 149 steps with 1 reset in 1 ms.
FORMULA FlexibleBarrier-PT-10b-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-10b-LTLFireability-12 finished in 61390 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X(F(p0))||G(p1))))'
Support contains 2 out of 505 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 505/505 places, 655/655 transitions.
Discarding 27 places :
Symmetric choice reduction at 0 with 27 rule applications. Total rules 27 place count 478 transition count 628
Iterating global reduction 0 with 27 rules applied. Total rules applied 54 place count 478 transition count 628
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 58 place count 478 transition count 624
Discarding 19 places :
Symmetric choice reduction at 1 with 19 rule applications. Total rules 77 place count 459 transition count 605
Iterating global reduction 1 with 19 rules applied. Total rules applied 96 place count 459 transition count 605
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 1 with 11 rules applied. Total rules applied 107 place count 459 transition count 594
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 114 place count 452 transition count 587
Iterating global reduction 2 with 7 rules applied. Total rules applied 121 place count 452 transition count 587
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 452 transition count 583
Applied a total of 125 rules in 34 ms. Remains 452 /505 variables (removed 53) and now considering 583/655 (removed 72) transitions.
// Phase 1: matrix 583 rows 452 cols
[2025-06-03 07:49:15] [INFO ] Computed 12 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 07:49:15] [INFO ] Implicit Places using invariants in 344 ms returned []
[2025-06-03 07:49:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 07:49:16] [INFO ] Implicit Places using invariants and state equation in 681 ms returned []
Implicit Place search using SMT with State Equation took 1040 ms to find 0 implicit places.
Running 582 sub problems to find dead transitions.
[2025-06-03 07:49:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/451 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 582 unsolved
At refinement iteration 1 (OVERLAPS) 1/452 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 582 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/452 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 582 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 583/1035 variables, 452/464 constraints. Problems are: Problem set: 0 solved, 582 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1035/1035 variables, and 464 constraints, problems are : Problem set: 0 solved, 582 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 452/452 constraints, PredecessorRefiner: 582/582 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 582 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/451 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 582 unsolved
At refinement iteration 1 (OVERLAPS) 1/452 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 582 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/452 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 582 unsolved
At refinement iteration 3 (OVERLAPS) 583/1035 variables, 452/464 constraints. Problems are: Problem set: 0 solved, 582 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1035 variables, 582/1046 constraints. Problems are: Problem set: 0 solved, 582 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:50:08] [INFO ] Deduced a trap composed of 34 places in 95 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:50:10] [INFO ] Deduced a trap composed of 32 places in 285 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:50:10] [INFO ] Deduced a trap composed of 33 places in 298 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:50:11] [INFO ] Deduced a trap composed of 36 places in 283 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:50:11] [INFO ] Deduced a trap composed of 37 places in 275 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:50:11] [INFO ] Deduced a trap composed of 37 places in 246 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:50:12] [INFO ] Deduced a trap composed of 87 places in 263 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:50:13] [INFO ] Deduced a trap composed of 91 places in 264 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:50:14] [INFO ] Deduced a trap composed of 92 places in 252 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:50:15] [INFO ] Deduced a trap composed of 95 places in 138 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:50:15] [INFO ] Deduced a trap composed of 93 places in 212 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:50:16] [INFO ] Deduced a trap composed of 96 places in 205 ms of which 15 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1035/1035 variables, and 1058 constraints, problems are : Problem set: 0 solved, 582 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 452/452 constraints, PredecessorRefiner: 582/582 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60130ms problems are : Problem set: 0 solved, 582 unsolved
Search for dead transitions found 0 dead transitions in 60131ms
Starting structural reductions in LTL mode, iteration 1 : 452/505 places, 583/655 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61206 ms. Remains : 452/505 places, 583/655 transitions.
Stuttering acceptance computed with spot in 74 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : FlexibleBarrier-PT-10b-LTLFireability-13
Product exploration explored 100000 steps with 50000 reset in 335 ms.
Product exploration explored 100000 steps with 50000 reset in 278 ms.
Computed a total of 12 stabilizing places and 12 stable transitions
Computed a total of 12 stabilizing places and 12 stable transitions
Knowledge obtained : [(AND p1 p0), (X (NOT (AND (NOT p1) (NOT p0)))), (X p0), (X (NOT (AND p1 (NOT p0)))), (X p1), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p0)), (X (X (NOT (AND p1 (NOT p0))))), (X (X p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 9 factoid took 19 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA FlexibleBarrier-PT-10b-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FlexibleBarrier-PT-10b-LTLFireability-13 finished in 61951 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((F(p1)&&p0))))'
Support contains 6 out of 505 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 505/505 places, 655/655 transitions.
Discarding 26 places :
Symmetric choice reduction at 0 with 26 rule applications. Total rules 26 place count 479 transition count 629
Iterating global reduction 0 with 26 rules applied. Total rules applied 52 place count 479 transition count 629
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 55 place count 479 transition count 626
Discarding 19 places :
Symmetric choice reduction at 1 with 19 rule applications. Total rules 74 place count 460 transition count 607
Iterating global reduction 1 with 19 rules applied. Total rules applied 93 place count 460 transition count 607
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 103 place count 460 transition count 597
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 111 place count 452 transition count 589
Iterating global reduction 2 with 8 rules applied. Total rules applied 119 place count 452 transition count 589
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 124 place count 452 transition count 584
Applied a total of 124 rules in 29 ms. Remains 452 /505 variables (removed 53) and now considering 584/655 (removed 71) transitions.
// Phase 1: matrix 584 rows 452 cols
[2025-06-03 07:50:17] [INFO ] Computed 12 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 07:50:17] [INFO ] Implicit Places using invariants in 326 ms returned []
[2025-06-03 07:50:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 07:50:18] [INFO ] Implicit Places using invariants and state equation in 634 ms returned []
Implicit Place search using SMT with State Equation took 963 ms to find 0 implicit places.
Running 583 sub problems to find dead transitions.
[2025-06-03 07:50:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/451 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 583 unsolved
At refinement iteration 1 (OVERLAPS) 1/452 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 583 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/452 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 583 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 584/1036 variables, 452/464 constraints. Problems are: Problem set: 0 solved, 583 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1036/1036 variables, and 464 constraints, problems are : Problem set: 0 solved, 583 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 452/452 constraints, PredecessorRefiner: 583/583 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 583 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/451 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 583 unsolved
At refinement iteration 1 (OVERLAPS) 1/452 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 583 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/452 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 583 unsolved
At refinement iteration 3 (OVERLAPS) 584/1036 variables, 452/464 constraints. Problems are: Problem set: 0 solved, 583 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1036 variables, 583/1047 constraints. Problems are: Problem set: 0 solved, 583 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:51:10] [INFO ] Deduced a trap composed of 32 places in 100 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:51:12] [INFO ] Deduced a trap composed of 87 places in 273 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:51:13] [INFO ] Deduced a trap composed of 91 places in 257 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:51:14] [INFO ] Deduced a trap composed of 91 places in 245 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:51:15] [INFO ] Deduced a trap composed of 92 places in 203 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:51:15] [INFO ] Deduced a trap composed of 94 places in 160 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:51:17] [INFO ] Deduced a trap composed of 95 places in 175 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:51:18] [INFO ] Deduced a trap composed of 96 places in 149 ms of which 13 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1036/1036 variables, and 1055 constraints, problems are : Problem set: 0 solved, 583 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 452/452 constraints, PredecessorRefiner: 583/583 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60140ms problems are : Problem set: 0 solved, 583 unsolved
Search for dead transitions found 0 dead transitions in 60142ms
Starting structural reductions in LTL mode, iteration 1 : 452/505 places, 584/655 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61137 ms. Remains : 452/505 places, 584/655 transitions.
Stuttering acceptance computed with spot in 125 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-10b-LTLFireability-14
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-10b-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-10b-LTLFireability-14 finished in 61280 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((G(p0)||X(G(p1))) U X(X(p2))))'
Support contains 5 out of 505 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 505/505 places, 655/655 transitions.
Discarding 26 places :
Symmetric choice reduction at 0 with 26 rule applications. Total rules 26 place count 479 transition count 629
Iterating global reduction 0 with 26 rules applied. Total rules applied 52 place count 479 transition count 629
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 56 place count 479 transition count 625
Discarding 18 places :
Symmetric choice reduction at 1 with 18 rule applications. Total rules 74 place count 461 transition count 607
Iterating global reduction 1 with 18 rules applied. Total rules applied 92 place count 461 transition count 607
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 102 place count 461 transition count 597
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 108 place count 455 transition count 591
Iterating global reduction 2 with 6 rules applied. Total rules applied 114 place count 455 transition count 591
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 117 place count 455 transition count 588
Applied a total of 117 rules in 29 ms. Remains 455 /505 variables (removed 50) and now considering 588/655 (removed 67) transitions.
// Phase 1: matrix 588 rows 455 cols
[2025-06-03 07:51:18] [INFO ] Computed 12 invariants in 9 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 07:51:19] [INFO ] Implicit Places using invariants in 402 ms returned []
[2025-06-03 07:51:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 07:51:19] [INFO ] Implicit Places using invariants and state equation in 661 ms returned []
Implicit Place search using SMT with State Equation took 1066 ms to find 0 implicit places.
Running 587 sub problems to find dead transitions.
[2025-06-03 07:51:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/454 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 587 unsolved
At refinement iteration 1 (OVERLAPS) 1/455 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 587 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/455 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 587 unsolved
At refinement iteration 3 (OVERLAPS) 588/1043 variables, 455/467 constraints. Problems are: Problem set: 0 solved, 587 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1043/1043 variables, and 467 constraints, problems are : Problem set: 0 solved, 587 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 455/455 constraints, PredecessorRefiner: 587/587 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 587 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/454 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 587 unsolved
At refinement iteration 1 (OVERLAPS) 1/455 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 587 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/455 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 587 unsolved
At refinement iteration 3 (OVERLAPS) 588/1043 variables, 455/467 constraints. Problems are: Problem set: 0 solved, 587 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1043 variables, 587/1054 constraints. Problems are: Problem set: 0 solved, 587 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:52:11] [INFO ] Deduced a trap composed of 37 places in 104 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:52:13] [INFO ] Deduced a trap composed of 87 places in 239 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:52:14] [INFO ] Deduced a trap composed of 271 places in 251 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:52:15] [INFO ] Deduced a trap composed of 91 places in 237 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:52:16] [INFO ] Deduced a trap composed of 92 places in 217 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:52:17] [INFO ] Deduced a trap composed of 93 places in 213 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:52:17] [INFO ] Deduced a trap composed of 96 places in 118 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:52:18] [INFO ] Deduced a trap composed of 97 places in 113 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:52:19] [INFO ] Deduced a trap composed of 97 places in 183 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 07:52:19] [INFO ] Deduced a trap composed of 119 places in 146 ms of which 12 ms to minimize.
SMT process timed out in 60140ms, After SMT, problems are : Problem set: 0 solved, 587 unsolved
Search for dead transitions found 0 dead transitions in 60141ms
Starting structural reductions in LTL mode, iteration 1 : 455/505 places, 588/655 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61237 ms. Remains : 455/505 places, 588/655 transitions.
Stuttering acceptance computed with spot in 496 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (AND (NOT p1) (NOT p0)), (NOT p2), (NOT p2), (NOT p2), true, (NOT p2), (NOT p2), (NOT p2), (NOT p2), (OR (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p2)), (NOT p1), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-10b-LTLFireability-15
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-10b-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-10b-LTLFireability-15 finished in 61757 ms.
All properties solved by simple procedures.
Total runtime 837413 ms.
BK_STOP 1748937140400
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FlexibleBarrier-PT-10b"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is FlexibleBarrier-PT-10b, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r086-smll-174860102600460"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-10b.tgz
mv FlexibleBarrier-PT-10b execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;