Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r086-smll-174860102600484.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-14a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r086-smll-174860102600484
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 604K
-rw-r--r-- 1 mcc users 5.8K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 57K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K 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 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.5K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 97K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 93K 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 169K 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-14a-LTLFireability-00
FORMULA_NAME FlexibleBarrier-PT-14a-LTLFireability-01
FORMULA_NAME FlexibleBarrier-PT-14a-LTLFireability-02
FORMULA_NAME FlexibleBarrier-PT-14a-LTLFireability-03
FORMULA_NAME FlexibleBarrier-PT-14a-LTLFireability-04
FORMULA_NAME FlexibleBarrier-PT-14a-LTLFireability-05
FORMULA_NAME FlexibleBarrier-PT-14a-LTLFireability-06
FORMULA_NAME FlexibleBarrier-PT-14a-LTLFireability-07
FORMULA_NAME FlexibleBarrier-PT-14a-LTLFireability-08
FORMULA_NAME FlexibleBarrier-PT-14a-LTLFireability-09
FORMULA_NAME FlexibleBarrier-PT-14a-LTLFireability-10
FORMULA_NAME FlexibleBarrier-PT-14a-LTLFireability-11
FORMULA_NAME FlexibleBarrier-PT-14a-LTLFireability-12
FORMULA_NAME FlexibleBarrier-PT-14a-LTLFireability-13
FORMULA_NAME FlexibleBarrier-PT-14a-LTLFireability-14
FORMULA_NAME FlexibleBarrier-PT-14a-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748948428970

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-14a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-03 11:00:31] [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 11:00:31] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 11:00:31] [INFO ] Load time of PNML (sax parser for PT used): 247 ms
[2025-06-03 11:00:31] [INFO ] Transformed 171 places.
[2025-06-03 11:00:32] [INFO ] Transformed 578 transitions.
[2025-06-03 11:00:32] [INFO ] Found NUPN structural information;
[2025-06-03 11:00:32] [INFO ] Parsed PT model containing 171 places and 578 transitions and 2719 arcs in 483 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 23 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Ensure Unique test removed 170 transitions
Reduce redundant transitions removed 170 transitions.
FORMULA FlexibleBarrier-PT-14a-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-14a-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-14a-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-14a-LTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 29 out of 171 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 171/171 places, 408/408 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 14 transitions
Redundant transition composition rules discarded 14 transitions
Iterating global reduction 0 with 14 rules applied. Total rules applied 14 place count 171 transition count 394
Applied a total of 14 rules in 96 ms. Remains 171 /171 variables (removed 0) and now considering 394/408 (removed 14) transitions.
// Phase 1: matrix 394 rows 171 cols
[2025-06-03 11:00:32] [INFO ] Computed 16 invariants in 22 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 11:00:33] [INFO ] Implicit Places using invariants in 619 ms returned []
[2025-06-03 11:00:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 11:00:33] [INFO ] State equation strengthened by 253 read => feed constraints.
[2025-06-03 11:00:33] [INFO ] Implicit Places using invariants and state equation in 780 ms returned []
Implicit Place search using SMT with State Equation took 1477 ms to find 0 implicit places.
Running 393 sub problems to find dead transitions.
[2025-06-03 11:00:34] [INFO ] Invariant cache hit.
[2025-06-03 11:00:34] [INFO ] State equation strengthened by 253 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/170 variables, 170/170 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/170 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 2 (OVERLAPS) 1/171 variables, 16/186 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/171 variables, 1/187 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/171 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 5 (OVERLAPS) 394/565 variables, 171/358 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/565 variables, 253/611 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/565 variables, 0/611 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 565/565 variables, and 611 constraints, problems are : Problem set: 0 solved, 393 unsolved in 30048 ms.
Refiners :[Domain max(s): 171/171 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 171/171 constraints, ReadFeed: 253/253 constraints, PredecessorRefiner: 393/393 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/170 variables, 170/170 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/170 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 2 (OVERLAPS) 1/171 variables, 16/186 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/171 variables, 1/187 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/171 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 5 (OVERLAPS) 394/565 variables, 171/358 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/565 variables, 253/611 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/565 variables, 393/1004 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/565 variables, 0/1004 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 565/565 variables, and 1004 constraints, problems are : Problem set: 0 solved, 393 unsolved in 30024 ms.
Refiners :[Domain max(s): 171/171 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 171/171 constraints, ReadFeed: 253/253 constraints, PredecessorRefiner: 393/393 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60560ms problems are : Problem set: 0 solved, 393 unsolved
Search for dead transitions found 0 dead transitions in 60595ms
Starting structural reductions in LTL mode, iteration 1 : 171/171 places, 394/408 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62212 ms. Remains : 171/171 places, 394/408 transitions.
Support contains 29 out of 171 places after structural reductions.
[2025-06-03 11:01:35] [INFO ] Flatten gal took : 107 ms
[2025-06-03 11:01:35] [INFO ] Flatten gal took : 53 ms
[2025-06-03 11:01:35] [INFO ] Input system was already deterministic with 394 transitions.
Reduction of identical properties reduced properties to check from 28 to 24
RANDOM walk for 4370 steps (0 resets) in 532 ms. (8 steps per ms) remains 0/24 properties
Computed a total of 3 stabilizing places and 1 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 171 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 171/171 places, 394/394 transitions.
Graph (trivial) has 139 edges and 171 vertex of which 42 / 171 are part of one of the 14 SCC in 3 ms
Free SCC test removed 28 places
Ensure Unique test removed 106 transitions
Reduce isomorphic transitions removed 106 transitions.
Performed 42 Post agglomeration using F-continuation condition.Transition count delta: 42
Deduced a syphon composed of 42 places in 0 ms
Reduce places removed 42 places and 0 transitions.
Iterating global reduction 0 with 84 rules applied. Total rules applied 85 place count 101 transition count 246
Drop transitions (Redundant composition of simpler transitions.) removed 91 transitions
Redundant transition composition rules discarded 91 transitions
Iterating global reduction 0 with 91 rules applied. Total rules applied 176 place count 101 transition count 155
Applied a total of 176 rules in 72 ms. Remains 101 /171 variables (removed 70) and now considering 155/394 (removed 239) transitions.
[2025-06-03 11:01:36] [INFO ] Flow matrix only has 128 transitions (discarded 27 similar events)
// Phase 1: matrix 128 rows 101 cols
[2025-06-03 11:01:36] [INFO ] Computed 16 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 11:01:36] [INFO ] Implicit Places using invariants in 233 ms returned [99]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 237 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 100/171 places, 155/394 transitions.
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 13 Pre rules applied. Total rules applied 0 place count 100 transition count 142
Deduced a syphon composed of 13 places in 1 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 0 with 26 rules applied. Total rules applied 26 place count 87 transition count 142
Applied a total of 26 rules in 32 ms. Remains 87 /100 variables (removed 13) and now considering 142/155 (removed 13) transitions.
[2025-06-03 11:01:36] [INFO ] Flow matrix only has 115 transitions (discarded 27 similar events)
// Phase 1: matrix 115 rows 87 cols
[2025-06-03 11:01:36] [INFO ] Computed 15 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 11:01:36] [INFO ] Implicit Places using invariants in 143 ms returned []
[2025-06-03 11:01:36] [INFO ] Flow matrix only has 115 transitions (discarded 27 similar events)
[2025-06-03 11:01:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 11:01:36] [INFO ] State equation strengthened by 85 read => feed constraints.
[2025-06-03 11:01:36] [INFO ] Implicit Places using invariants and state equation in 330 ms returned []
Implicit Place search using SMT with State Equation took 484 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 87/171 places, 142/394 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 825 ms. Remains : 87/171 places, 142/394 transitions.
Stuttering acceptance computed with spot in 223 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-14a-LTLFireability-01
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-14a-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-14a-LTLFireability-01 finished in 1147 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 1 out of 171 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 171/171 places, 394/394 transitions.
Graph (trivial) has 138 edges and 171 vertex of which 42 / 171 are part of one of the 14 SCC in 1 ms
Free SCC test removed 28 places
Ensure Unique test removed 106 transitions
Reduce isomorphic transitions removed 106 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 2 places and 0 transitions.
Graph (trivial) has 193 edges and 140 vertex of which 135 / 140 are part of one of the 15 SCC in 1 ms
Free SCC test removed 120 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 4 rules applied. Total rules applied 5 place count 20 transition count 286
Reduce places removed 14 places and 0 transitions.
Ensure Unique test removed 275 transitions
Reduce isomorphic transitions removed 275 transitions.
Iterating post reduction 1 with 289 rules applied. Total rules applied 294 place count 6 transition count 11
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 296 place count 5 transition count 10
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 2 with 3 rules applied. Total rules applied 299 place count 5 transition count 7
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 1 rules applied. Total rules applied 300 place count 5 transition count 6
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 301 place count 4 transition count 6
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 302 place count 3 transition count 5
Iterating global reduction 4 with 1 rules applied. Total rules applied 303 place count 3 transition count 5
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 304 place count 3 transition count 4
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 304 place count 3 transition count 3
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 306 place count 2 transition count 3
Applied a total of 306 rules in 12 ms. Remains 2 /171 variables (removed 169) and now considering 3/394 (removed 391) transitions.
// Phase 1: matrix 3 rows 2 cols
[2025-06-03 11:01:37] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 11:01:37] [INFO ] Implicit Places using invariants in 20 ms returned []
[2025-06-03 11:01:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 11:01:37] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 11:01:37] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2025-06-03 11:01:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4/5 variables, and 3 constraints, problems are : Problem set: 0 solved, 1 unsolved in 41 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 4/5 variables, and 4 constraints, problems are : Problem set: 0 solved, 1 unsolved in 42 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 88ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 89ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2/171 places, 3/394 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 158 ms. Remains : 2/171 places, 3/394 transitions.
Stuttering acceptance computed with spot in 102 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-14a-LTLFireability-02
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-14a-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-14a-LTLFireability-02 finished in 280 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((X(X((p0 U G(p1))))&&(F(p2) U p3)))))'
Support contains 7 out of 171 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 171/171 places, 394/394 transitions.
Applied a total of 0 rules in 8 ms. Remains 171 /171 variables (removed 0) and now considering 394/394 (removed 0) transitions.
// Phase 1: matrix 394 rows 171 cols
[2025-06-03 11:01:37] [INFO ] Computed 16 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 11:01:37] [INFO ] Implicit Places using invariants in 296 ms returned [170]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 298 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 170/171 places, 394/394 transitions.
Applied a total of 0 rules in 8 ms. Remains 170 /170 variables (removed 0) and now considering 394/394 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 314 ms. Remains : 170/171 places, 394/394 transitions.
Stuttering acceptance computed with spot in 854 ms :[(OR (NOT p3) (NOT p1)), (OR (NOT p3) (NOT p1)), (OR (AND (NOT p2) (NOT p3)) (AND (NOT p1) (NOT p2))), (NOT p3), (NOT p1), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND p0 (NOT p1) (NOT p3))]
Running random walk in product with property : FlexibleBarrier-PT-14a-LTLFireability-03
Product exploration explored 100000 steps with 212 reset in 984 ms.
Stack based approach found an accepted trace after 125 steps with 0 reset with depth 126 and stack size 126 in 1 ms.
FORMULA FlexibleBarrier-PT-14a-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-14a-LTLFireability-03 finished in 2233 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(X(X((F(p1)&&F(p2))))))))'
Support contains 6 out of 171 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 171/171 places, 394/394 transitions.
Applied a total of 0 rules in 4 ms. Remains 171 /171 variables (removed 0) and now considering 394/394 (removed 0) transitions.
[2025-06-03 11:01:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 11:01:39] [INFO ] Implicit Places using invariants in 215 ms returned []
[2025-06-03 11:01:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 11:01:40] [INFO ] State equation strengthened by 253 read => feed constraints.
[2025-06-03 11:01:40] [INFO ] Implicit Places using invariants and state equation in 632 ms returned []
Implicit Place search using SMT with State Equation took 852 ms to find 0 implicit places.
Running 393 sub problems to find dead transitions.
[2025-06-03 11:01:40] [INFO ] Invariant cache hit.
[2025-06-03 11:01:40] [INFO ] State equation strengthened by 253 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/170 variables, 170/170 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/170 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 2 (OVERLAPS) 1/171 variables, 16/186 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/171 variables, 1/187 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/171 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 5 (OVERLAPS) 394/565 variables, 171/358 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/565 variables, 253/611 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 565/565 variables, and 611 constraints, problems are : Problem set: 0 solved, 393 unsolved in 30025 ms.
Refiners :[Domain max(s): 171/171 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 171/171 constraints, ReadFeed: 253/253 constraints, PredecessorRefiner: 393/393 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/170 variables, 170/170 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/170 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 2 (OVERLAPS) 1/171 variables, 16/186 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/171 variables, 1/187 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/171 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 5 (OVERLAPS) 394/565 variables, 171/358 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/565 variables, 253/611 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/565 variables, 393/1004 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/565 variables, 0/1004 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 565/565 variables, and 1004 constraints, problems are : Problem set: 0 solved, 393 unsolved in 30026 ms.
Refiners :[Domain max(s): 171/171 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 171/171 constraints, ReadFeed: 253/253 constraints, PredecessorRefiner: 393/393 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60205ms problems are : Problem set: 0 solved, 393 unsolved
Search for dead transitions found 0 dead transitions in 60208ms
Finished structural reductions in LTL mode , in 1 iterations and 61067 ms. Remains : 171/171 places, 394/394 transitions.
Stuttering acceptance computed with spot in 307 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2)]
Running random walk in product with property : FlexibleBarrier-PT-14a-LTLFireability-04
Product exploration explored 100000 steps with 151 reset in 678 ms.
Stack based approach found an accepted trace after 990 steps with 0 reset with depth 991 and stack size 975 in 10 ms.
FORMULA FlexibleBarrier-PT-14a-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-14a-LTLFireability-04 finished in 62105 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 5 out of 171 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 171/171 places, 394/394 transitions.
Graph (trivial) has 135 edges and 171 vertex of which 36 / 171 are part of one of the 12 SCC in 1 ms
Free SCC test removed 24 places
Ensure Unique test removed 79 transitions
Reduce isomorphic transitions removed 79 transitions.
Performed 42 Post agglomeration using F-continuation condition.Transition count delta: 42
Deduced a syphon composed of 42 places in 0 ms
Reduce places removed 42 places and 0 transitions.
Iterating global reduction 0 with 84 rules applied. Total rules applied 85 place count 105 transition count 273
Drop transitions (Redundant composition of simpler transitions.) removed 112 transitions
Redundant transition composition rules discarded 112 transitions
Iterating global reduction 0 with 112 rules applied. Total rules applied 197 place count 105 transition count 161
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 198 place count 105 transition count 161
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 199 place count 104 transition count 160
Iterating global reduction 0 with 1 rules applied. Total rules applied 200 place count 104 transition count 160
Applied a total of 200 rules in 39 ms. Remains 104 /171 variables (removed 67) and now considering 160/394 (removed 234) transitions.
[2025-06-03 11:02:41] [INFO ] Flow matrix only has 135 transitions (discarded 25 similar events)
// Phase 1: matrix 135 rows 104 cols
[2025-06-03 11:02:41] [INFO ] Computed 16 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 11:02:41] [INFO ] Implicit Places using invariants in 87 ms returned []
[2025-06-03 11:02:41] [INFO ] Flow matrix only has 135 transitions (discarded 25 similar events)
[2025-06-03 11:02:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 11:02:42] [INFO ] State equation strengthened by 101 read => feed constraints.
[2025-06-03 11:02:42] [INFO ] Implicit Places using invariants and state equation in 209 ms returned []
Implicit Place search using SMT with State Equation took 302 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 11:02:42] [INFO ] Redundant transitions in 24 ms returned [74]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 158 sub problems to find dead transitions.
[2025-06-03 11:02:42] [INFO ] Flow matrix only has 134 transitions (discarded 25 similar events)
// Phase 1: matrix 134 rows 104 cols
[2025-06-03 11:02:42] [INFO ] Computed 16 invariants in 1 ms
[2025-06-03 11:02:42] [INFO ] State equation strengthened by 100 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 1 (OVERLAPS) 1/104 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/104 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 3 (OVERLAPS) 133/237 variables, 104/120 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 99/219 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 6 (OVERLAPS) 1/238 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/238 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 8 (OVERLAPS) 0/238 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 158 unsolved
No progress, stopping.
After SMT solving in domain Real declared 238/238 variables, and 220 constraints, problems are : Problem set: 0 solved, 158 unsolved in 13405 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 104/104 constraints, ReadFeed: 100/100 constraints, PredecessorRefiner: 158/158 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 158 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 1 (OVERLAPS) 1/104 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/104 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 3 (OVERLAPS) 133/237 variables, 104/120 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 99/219 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 158/377 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/237 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 7 (OVERLAPS) 1/238 variables, 1/378 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/238 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 9 (OVERLAPS) 0/238 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 158 unsolved
No progress, stopping.
After SMT solving in domain Int declared 238/238 variables, and 378 constraints, problems are : Problem set: 0 solved, 158 unsolved in 13900 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 104/104 constraints, ReadFeed: 100/100 constraints, PredecessorRefiner: 158/158 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 27323ms problems are : Problem set: 0 solved, 158 unsolved
Search for dead transitions found 0 dead transitions in 27325ms
Starting structural reductions in SI_LTL mode, iteration 1 : 104/171 places, 159/394 transitions.
Applied a total of 0 rules in 12 ms. Remains 104 /104 variables (removed 0) and now considering 159/159 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 27719 ms. Remains : 104/171 places, 159/394 transitions.
Stuttering acceptance computed with spot in 170 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-14a-LTLFireability-05
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-14a-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-14a-LTLFireability-05 finished in 27910 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((F(G(p0))||G((p1&&X((F(!p2)||G(p1)))))))))'
Support contains 4 out of 171 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 171/171 places, 394/394 transitions.
Applied a total of 0 rules in 6 ms. Remains 171 /171 variables (removed 0) and now considering 394/394 (removed 0) transitions.
// Phase 1: matrix 394 rows 171 cols
[2025-06-03 11:03:09] [INFO ] Computed 16 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 11:03:10] [INFO ] Implicit Places using invariants in 272 ms returned [170]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 274 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 170/171 places, 394/394 transitions.
Applied a total of 0 rules in 6 ms. Remains 170 /170 variables (removed 0) and now considering 394/394 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 286 ms. Remains : 170/171 places, 394/394 transitions.
Stuttering acceptance computed with spot in 196 ms :[(AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : FlexibleBarrier-PT-14a-LTLFireability-06
Product exploration explored 100000 steps with 0 reset in 534 ms.
Stack based approach found an accepted trace after 32 steps with 0 reset with depth 33 and stack size 33 in 1 ms.
FORMULA FlexibleBarrier-PT-14a-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-14a-LTLFireability-06 finished in 1052 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(p1)&&p0) U p2)&&X(G(p3)))))'
Support contains 6 out of 171 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 171/171 places, 394/394 transitions.
Applied a total of 0 rules in 2 ms. Remains 171 /171 variables (removed 0) and now considering 394/394 (removed 0) transitions.
[2025-06-03 11:03:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 11:03:10] [INFO ] Implicit Places using invariants in 118 ms returned []
[2025-06-03 11:03:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 11:03:11] [INFO ] State equation strengthened by 253 read => feed constraints.
[2025-06-03 11:03:11] [INFO ] Implicit Places using invariants and state equation in 354 ms returned []
Implicit Place search using SMT with State Equation took 474 ms to find 0 implicit places.
Running 393 sub problems to find dead transitions.
[2025-06-03 11:03:11] [INFO ] Invariant cache hit.
[2025-06-03 11:03:11] [INFO ] State equation strengthened by 253 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/170 variables, 170/170 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/170 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 2 (OVERLAPS) 1/171 variables, 16/186 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/171 variables, 1/187 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/171 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 5 (OVERLAPS) 394/565 variables, 171/358 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/565 variables, 253/611 constraints. Problems are: Problem set: 0 solved, 393 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 Real declared 565/565 variables, and 611 constraints, problems are : Problem set: 0 solved, 393 unsolved in 30024 ms.
Refiners :[Domain max(s): 171/171 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 171/171 constraints, ReadFeed: 253/253 constraints, PredecessorRefiner: 393/393 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/170 variables, 170/170 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/170 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 2 (OVERLAPS) 1/171 variables, 16/186 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/171 variables, 1/187 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/171 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 5 (OVERLAPS) 394/565 variables, 171/358 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/565 variables, 253/611 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/565 variables, 393/1004 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 565/565 variables, and 1004 constraints, problems are : Problem set: 0 solved, 393 unsolved in 30024 ms.
Refiners :[Domain max(s): 171/171 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 171/171 constraints, ReadFeed: 253/253 constraints, PredecessorRefiner: 393/393 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60212ms problems are : Problem set: 0 solved, 393 unsolved
Search for dead transitions found 0 dead transitions in 60214ms
Finished structural reductions in LTL mode , in 1 iterations and 60692 ms. Remains : 171/171 places, 394/394 transitions.
Stuttering acceptance computed with spot in 349 ms :[(NOT p3), (OR (NOT p3) (NOT p2)), (OR (NOT p3) (NOT p2) (NOT p1)), true, (OR (NOT p3) (NOT p2))]
Running random walk in product with property : FlexibleBarrier-PT-14a-LTLFireability-08
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-14a-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-14a-LTLFireability-08 finished in 61065 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(!(X(X(F(X(p0)))) U ((p1 U p2)&&F(p1))))))'
Support contains 6 out of 171 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 171/171 places, 394/394 transitions.
Applied a total of 0 rules in 2 ms. Remains 171 /171 variables (removed 0) and now considering 394/394 (removed 0) transitions.
[2025-06-03 11:04:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 11:04:12] [INFO ] Implicit Places using invariants in 304 ms returned [170]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 306 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 170/171 places, 394/394 transitions.
Applied a total of 0 rules in 3 ms. Remains 170 /170 variables (removed 0) and now considering 394/394 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 312 ms. Remains : 170/171 places, 394/394 transitions.
Stuttering acceptance computed with spot in 586 ms :[true, (AND p1 p2), (AND p0 p2), (AND p1 p2), (AND p1 p2), (AND p0 p2 p1), p0, (AND p1 p0), (AND p0 p2), p2, p1, p0, (AND p1 p0)]
Running random walk in product with property : FlexibleBarrier-PT-14a-LTLFireability-09
Entered a terminal (fully accepting) state of product in 405 steps with 0 reset in 3 ms.
FORMULA FlexibleBarrier-PT-14a-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-14a-LTLFireability-09 finished in 951 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||(p1&&X((p2&&G(p3))))))))'
Support contains 3 out of 171 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 171/171 places, 394/394 transitions.
Applied a total of 0 rules in 4 ms. Remains 171 /171 variables (removed 0) and now considering 394/394 (removed 0) transitions.
[2025-06-03 11:04:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 11:04:13] [INFO ] Implicit Places using invariants in 531 ms returned [169, 170]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 540 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 169/171 places, 394/394 transitions.
Applied a total of 0 rules in 3 ms. Remains 169 /169 variables (removed 0) and now considering 394/394 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 547 ms. Remains : 169/171 places, 394/394 transitions.
Stuttering acceptance computed with spot in 292 ms :[true, (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p3)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p3)) (AND (NOT p0) (NOT p2))), (OR (NOT p3) (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (NOT p3) (NOT p2) (AND (NOT p0) (NOT p1)))]
Running random walk in product with property : FlexibleBarrier-PT-14a-LTLFireability-10
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-14a-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-14a-LTLFireability-10 finished in 868 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 3 out of 171 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 171/171 places, 394/394 transitions.
Graph (trivial) has 135 edges and 171 vertex of which 36 / 171 are part of one of the 12 SCC in 1 ms
Free SCC test removed 24 places
Ensure Unique test removed 79 transitions
Reduce isomorphic transitions removed 79 transitions.
Performed 42 Post agglomeration using F-continuation condition.Transition count delta: 42
Deduced a syphon composed of 42 places in 0 ms
Reduce places removed 42 places and 0 transitions.
Iterating global reduction 0 with 84 rules applied. Total rules applied 85 place count 105 transition count 273
Drop transitions (Redundant composition of simpler transitions.) removed 112 transitions
Redundant transition composition rules discarded 112 transitions
Iterating global reduction 0 with 112 rules applied. Total rules applied 197 place count 105 transition count 161
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 198 place count 105 transition count 161
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 199 place count 104 transition count 160
Iterating global reduction 0 with 1 rules applied. Total rules applied 200 place count 104 transition count 160
Applied a total of 200 rules in 50 ms. Remains 104 /171 variables (removed 67) and now considering 160/394 (removed 234) transitions.
[2025-06-03 11:04:13] [INFO ] Flow matrix only has 135 transitions (discarded 25 similar events)
// Phase 1: matrix 135 rows 104 cols
[2025-06-03 11:04:13] [INFO ] Computed 16 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 11:04:13] [INFO ] Implicit Places using invariants in 185 ms returned [103]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 187 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 103/171 places, 160/394 transitions.
Graph (trivial) has 138 edges and 103 vertex of which 36 / 103 are part of one of the 12 SCC in 1 ms
Free SCC test removed 24 places
Ensure Unique test removed 48 transitions
Reduce isomorphic transitions removed 48 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 14 transitions
Trivial Post-agglo rules discarded 14 transitions
Performed 14 trivial Post agglomeration. Transition count delta: 14
Iterating post reduction 0 with 14 rules applied. Total rules applied 15 place count 79 transition count 98
Reduce places removed 14 places and 0 transitions.
Iterating post reduction 1 with 14 rules applied. Total rules applied 29 place count 65 transition count 98
Performed 14 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 14 Pre rules applied. Total rules applied 29 place count 65 transition count 84
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 2 with 28 rules applied. Total rules applied 57 place count 51 transition count 84
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 89 place count 35 transition count 68
Drop transitions (Redundant composition of simpler transitions.) removed 14 transitions
Redundant transition composition rules discarded 14 transitions
Iterating global reduction 2 with 14 rules applied. Total rules applied 103 place count 35 transition count 54
Applied a total of 103 rules in 20 ms. Remains 35 /103 variables (removed 68) and now considering 54/160 (removed 106) transitions.
[2025-06-03 11:04:13] [INFO ] Flow matrix only has 39 transitions (discarded 15 similar events)
// Phase 1: matrix 39 rows 35 cols
[2025-06-03 11:04:13] [INFO ] Computed 15 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 11:04:13] [INFO ] Implicit Places using invariants in 49 ms returned []
[2025-06-03 11:04:13] [INFO ] Flow matrix only has 39 transitions (discarded 15 similar events)
[2025-06-03 11:04:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 11:04:14] [INFO ] State equation strengthened by 17 read => feed constraints.
[2025-06-03 11:04:14] [INFO ] Implicit Places using invariants and state equation in 87 ms returned []
Implicit Place search using SMT with State Equation took 138 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 35/171 places, 54/394 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 395 ms. Remains : 35/171 places, 54/394 transitions.
Stuttering acceptance computed with spot in 50 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-14a-LTLFireability-11
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-14a-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-14a-LTLFireability-11 finished in 464 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((X(p1)||p0))&&X(F(p2))))))'
Support contains 4 out of 171 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 171/171 places, 394/394 transitions.
Applied a total of 0 rules in 5 ms. Remains 171 /171 variables (removed 0) and now considering 394/394 (removed 0) transitions.
// Phase 1: matrix 394 rows 171 cols
[2025-06-03 11:04:14] [INFO ] Computed 16 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 11:04:14] [INFO ] Implicit Places using invariants in 232 ms returned [170]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 234 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 170/171 places, 394/394 transitions.
Applied a total of 0 rules in 5 ms. Remains 170 /170 variables (removed 0) and now considering 394/394 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 244 ms. Remains : 170/171 places, 394/394 transitions.
Stuttering acceptance computed with spot in 253 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (OR (NOT p2) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2))), (AND (NOT p0) (NOT p1)), (NOT p2)]
Running random walk in product with property : FlexibleBarrier-PT-14a-LTLFireability-14
Product exploration explored 100000 steps with 1052 reset in 685 ms.
Stack based approach found an accepted trace after 54860 steps with 509 reset with depth 5 and stack size 5 in 289 ms.
FORMULA FlexibleBarrier-PT-14a-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-14a-LTLFireability-14 finished in 1501 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)))'
Support contains 3 out of 171 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 171/171 places, 394/394 transitions.
Applied a total of 0 rules in 2 ms. Remains 171 /171 variables (removed 0) and now considering 394/394 (removed 0) transitions.
[2025-06-03 11:04:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 11:04:15] [INFO ] Implicit Places using invariants in 215 ms returned [170]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 217 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 170/171 places, 394/394 transitions.
Applied a total of 0 rules in 4 ms. Remains 170 /170 variables (removed 0) and now considering 394/394 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 223 ms. Remains : 170/171 places, 394/394 transitions.
Stuttering acceptance computed with spot in 97 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-14a-LTLFireability-15
Product exploration explored 100000 steps with 749 reset in 820 ms.
Stack based approach found an accepted trace after 44 steps with 0 reset with depth 45 and stack size 45 in 0 ms.
FORMULA FlexibleBarrier-PT-14a-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-14a-LTLFireability-15 finished in 1159 ms.
All properties solved by simple procedures.
Total runtime 225289 ms.

BK_STOP 1748948656829

--------------------
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-14a"
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-14a, 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-174860102600484"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-14a.tgz
mv FlexibleBarrier-PT-14a execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;