Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r086-smll-174860102600483.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 LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r086-smll-174860102600483
=====================================================================

--------------------
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-LTLCardinality-00
FORMULA_NAME FlexibleBarrier-PT-14a-LTLCardinality-01
FORMULA_NAME FlexibleBarrier-PT-14a-LTLCardinality-02
FORMULA_NAME FlexibleBarrier-PT-14a-LTLCardinality-03
FORMULA_NAME FlexibleBarrier-PT-14a-LTLCardinality-04
FORMULA_NAME FlexibleBarrier-PT-14a-LTLCardinality-05
FORMULA_NAME FlexibleBarrier-PT-14a-LTLCardinality-06
FORMULA_NAME FlexibleBarrier-PT-14a-LTLCardinality-07
FORMULA_NAME FlexibleBarrier-PT-14a-LTLCardinality-08
FORMULA_NAME FlexibleBarrier-PT-14a-LTLCardinality-09
FORMULA_NAME FlexibleBarrier-PT-14a-LTLCardinality-10
FORMULA_NAME FlexibleBarrier-PT-14a-LTLCardinality-11
FORMULA_NAME FlexibleBarrier-PT-14a-LTLCardinality-12
FORMULA_NAME FlexibleBarrier-PT-14a-LTLCardinality-13
FORMULA_NAME FlexibleBarrier-PT-14a-LTLCardinality-14
FORMULA_NAME FlexibleBarrier-PT-14a-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1748948341923

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FlexibleBarrier-PT-14a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202505121319
[2025-06-03 10:59:04] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-03 10:59:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 10:59:05] [INFO ] Load time of PNML (sax parser for PT used): 226 ms
[2025-06-03 10:59:05] [INFO ] Transformed 171 places.
[2025-06-03 10:59:05] [INFO ] Transformed 578 transitions.
[2025-06-03 10:59:05] [INFO ] Found NUPN structural information;
[2025-06-03 10:59:05] [INFO ] Parsed PT model containing 171 places and 578 transitions and 2719 arcs in 461 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 27 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
Ensure Unique test removed 170 transitions
Reduce redundant transitions removed 170 transitions.
Initial state reduction rules removed 1 formulas.
FORMULA FlexibleBarrier-PT-14a-LTLCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-14a-LTLCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-14a-LTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-14a-LTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-14a-LTLCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-14a-LTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-14a-LTLCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-14a-LTLCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-14a-LTLCardinality-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-14a-LTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-14a-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 20 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 92 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 10:59:05] [INFO ] Computed 16 invariants in 24 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 10:59:06] [INFO ] Implicit Places using invariants in 873 ms returned [169]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 953 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 170/171 places, 394/408 transitions.
Applied a total of 0 rules in 17 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 1096 ms. Remains : 170/171 places, 394/408 transitions.
Support contains 20 out of 170 places after structural reductions.
[2025-06-03 10:59:07] [INFO ] Flatten gal took : 115 ms
[2025-06-03 10:59:07] [INFO ] Flatten gal took : 58 ms
[2025-06-03 10:59:07] [INFO ] Input system was already deterministic with 394 transitions.
RANDOM walk for 3683 steps (0 resets) in 421 ms. (8 steps per ms) remains 0/11 properties
Computed a total of 2 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' '!((G((!X(X(X(p0))) U p0))&&F(p1)))'
Support contains 5 out of 170 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 170/170 places, 394/394 transitions.
Applied a total of 0 rules in 17 ms. Remains 170 /170 variables (removed 0) and now considering 394/394 (removed 0) transitions.
// Phase 1: matrix 394 rows 170 cols
[2025-06-03 10:59:07] [INFO ] Computed 15 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 10:59:08] [INFO ] Implicit Places using invariants in 323 ms returned [169]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 331 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 169/170 places, 394/394 transitions.
Applied a total of 0 rules in 8 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 358 ms. Remains : 169/170 places, 394/394 transitions.
Stuttering acceptance computed with spot in 497 ms :[(OR (NOT p1) (NOT p0)), (NOT p1), true, (NOT p0), p0, p0, true]
Running random walk in product with property : FlexibleBarrier-PT-14a-LTLCardinality-03
Entered a terminal (fully accepting) state of product in 2512 steps with 4 reset in 98 ms.
FORMULA FlexibleBarrier-PT-14a-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-14a-LTLCardinality-03 finished in 1057 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((G(F(!p1))||(F(!p1)&&X((X(!p2)||F(p3)))))))))'
Support contains 7 out of 170 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 170/170 places, 394/394 transitions.
Applied a total of 0 rules in 7 ms. Remains 170 /170 variables (removed 0) and now considering 394/394 (removed 0) transitions.
[2025-06-03 10:59:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 10:59:09] [INFO ] Implicit Places using invariants in 277 ms returned [169]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 280 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 169/170 places, 394/394 transitions.
Applied a total of 0 rules in 7 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 294 ms. Remains : 169/170 places, 394/394 transitions.
Stuttering acceptance computed with spot in 455 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) (NOT p3) p1 p2), (AND p1 (NOT p0)), (AND (NOT p3) p2 p1), (AND p1 (NOT p3) p2), p1, (AND p1 (NOT p3))]
Running random walk in product with property : FlexibleBarrier-PT-14a-LTLCardinality-08
Product exploration explored 100000 steps with 33333 reset in 1164 ms.
Product exploration explored 100000 steps with 33333 reset in 742 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p1 (NOT p0) p3 p2), (X (NOT p1)), (X (X p3)), (X (X (NOT (AND (NOT p0) (NOT p3))))), (X (X (NOT (AND p1 (NOT p0) (NOT p3))))), (X (X (NOT p0)))]
False Knowledge obtained : [(X (X (AND p1 (NOT p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 6 factoid took 32 ms. Reduced automaton from 8 states, 11 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA FlexibleBarrier-PT-14a-LTLCardinality-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FlexibleBarrier-PT-14a-LTLCardinality-08 finished in 2736 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 2 out of 170 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 170/170 places, 394/394 transitions.
Graph (trivial) has 151 edges and 170 vertex of which 42 / 170 are part of one of the 14 SCC in 4 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 1 places and 0 transitions.
Graph (trivial) has 191 edges and 140 vertex of which 132 / 140 are part of one of the 14 SCC in 1 ms
Free SCC test removed 118 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 3 rules applied. Total rules applied 4 place count 22 transition count 286
Reduce places removed 13 places and 0 transitions.
Ensure Unique test removed 271 transitions
Reduce isomorphic transitions removed 271 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 285 rules applied. Total rules applied 289 place count 9 transition count 14
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 290 place count 8 transition count 14
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 290 place count 8 transition count 13
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 292 place count 7 transition count 13
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 294 place count 6 transition count 12
Drop transitions (Redundant composition of simpler transitions.) removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 3 with 5 rules applied. Total rules applied 299 place count 6 transition count 7
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 299 place count 6 transition count 5
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 303 place count 4 transition count 5
Applied a total of 303 rules in 50 ms. Remains 4 /170 variables (removed 166) and now considering 5/394 (removed 389) transitions.
// Phase 1: matrix 5 rows 4 cols
[2025-06-03 10:59:11] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 10:59:11] [INFO ] Implicit Places using invariants in 30 ms returned []
[2025-06-03 10:59:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 10:59:11] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 60 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 10:59:11] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2025-06-03 10:59:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 2/4 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/4 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 4/8 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/8 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/8 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 8/9 variables, and 10 constraints, problems are : Problem set: 0 solved, 2 unsolved in 109 ms.
Refiners :[Domain max(s): 4/4 constraints, Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 2/4 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/4 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 4/8 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/8 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/8 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/8 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 8/9 variables, and 12 constraints, problems are : Problem set: 0 solved, 2 unsolved in 90 ms.
Refiners :[Domain max(s): 4/4 constraints, Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 225ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 234ms
Starting structural reductions in SI_LTL mode, iteration 1 : 4/170 places, 5/394 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 354 ms. Remains : 4/170 places, 5/394 transitions.
Stuttering acceptance computed with spot in 81 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-14a-LTLCardinality-09
Stuttering criterion allowed to conclude after 3 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-14a-LTLCardinality-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-14a-LTLCardinality-09 finished in 456 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||((p0 U X(p1))&&(p0||G((p0 U p2))))))))'
Support contains 5 out of 170 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 170/170 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.
// Phase 1: matrix 394 rows 170 cols
[2025-06-03 10:59:12] [INFO ] Computed 15 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 10:59:12] [INFO ] Implicit Places using invariants in 191 ms returned []
[2025-06-03 10:59:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 10:59:12] [INFO ] State equation strengthened by 70 read => feed constraints.
[2025-06-03 10:59:12] [INFO ] Implicit Places using invariants and state equation in 437 ms returned []
Implicit Place search using SMT with State Equation took 630 ms to find 0 implicit places.
Running 393 sub problems to find dead transitions.
[2025-06-03 10:59:12] [INFO ] Invariant cache hit.
[2025-06-03 10:59:12] [INFO ] State equation strengthened by 70 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/169 variables, 169/169 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/169 variables, 0/169 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 2 (OVERLAPS) 1/170 variables, 15/184 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/170 variables, 1/185 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/170 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 5 (OVERLAPS) 394/564 variables, 170/355 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/564 variables, 70/425 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 564/564 variables, and 425 constraints, problems are : Problem set: 0 solved, 393 unsolved in 30052 ms.
Refiners :[Domain max(s): 170/170 constraints, Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 170/170 constraints, ReadFeed: 70/70 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) 0/169 variables, 169/169 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/169 variables, 0/169 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 2 (OVERLAPS) 1/170 variables, 15/184 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/170 variables, 1/185 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/170 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 5 (OVERLAPS) 394/564 variables, 170/355 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/564 variables, 70/425 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/564 variables, 393/818 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/564 variables, 0/818 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 564/564 variables, and 818 constraints, problems are : Problem set: 0 solved, 393 unsolved in 30041 ms.
Refiners :[Domain max(s): 170/170 constraints, Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 170/170 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 393/393 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60396ms problems are : Problem set: 0 solved, 393 unsolved
Search for dead transitions found 0 dead transitions in 60404ms
Finished structural reductions in LTL mode , in 1 iterations and 61046 ms. Remains : 170/170 places, 394/394 transitions.
Stuttering acceptance computed with spot in 235 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : FlexibleBarrier-PT-14a-LTLCardinality-14
Product exploration explored 100000 steps with 607 reset in 573 ms.
Stack based approach found an accepted trace after 5963 steps with 37 reset with depth 200 and stack size 193 in 46 ms.
FORMULA FlexibleBarrier-PT-14a-LTLCardinality-14 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-14a-LTLCardinality-14 finished in 61937 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&&X(p0))))'
Support contains 2 out of 170 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 170/170 places, 394/394 transitions.
Applied a total of 0 rules in 21 ms. Remains 170 /170 variables (removed 0) and now considering 394/394 (removed 0) transitions.
[2025-06-03 11:00:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 11:00:14] [INFO ] Implicit Places using invariants in 245 ms returned [169]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 255 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 169/170 places, 394/394 transitions.
Applied a total of 0 rules in 8 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 284 ms. Remains : 169/170 places, 394/394 transitions.
Stuttering acceptance computed with spot in 78 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-14a-LTLCardinality-15
Product exploration explored 100000 steps with 50000 reset in 650 ms.
Product exploration explored 100000 steps with 50000 reset in 617 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to conjunction of knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 78 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA FlexibleBarrier-PT-14a-LTLCardinality-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FlexibleBarrier-PT-14a-LTLCardinality-15 finished in 1734 ms.
All properties solved by simple procedures.
Total runtime 71103 ms.

BK_STOP 1748948415716

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FlexibleBarrier-PT-14a"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is FlexibleBarrier-PT-14a, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r086-smll-174860102600483"
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 [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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