About the Execution of ITS-Tools for FlexibleBarrier-PT-16a
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 642635.00 | 0.00 | 0.00 | FFFFFFTFTFFFTTFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r086-smll-174860102600499.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-16a, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r086-smll-174860102600499
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 676K
-rw-r--r-- 1 mcc users 6.7K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 63K 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 3.5K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K 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 10K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 106K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.9K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K 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 214K 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-16a-LTLCardinality-00
FORMULA_NAME FlexibleBarrier-PT-16a-LTLCardinality-01
FORMULA_NAME FlexibleBarrier-PT-16a-LTLCardinality-02
FORMULA_NAME FlexibleBarrier-PT-16a-LTLCardinality-03
FORMULA_NAME FlexibleBarrier-PT-16a-LTLCardinality-04
FORMULA_NAME FlexibleBarrier-PT-16a-LTLCardinality-05
FORMULA_NAME FlexibleBarrier-PT-16a-LTLCardinality-06
FORMULA_NAME FlexibleBarrier-PT-16a-LTLCardinality-07
FORMULA_NAME FlexibleBarrier-PT-16a-LTLCardinality-08
FORMULA_NAME FlexibleBarrier-PT-16a-LTLCardinality-09
FORMULA_NAME FlexibleBarrier-PT-16a-LTLCardinality-10
FORMULA_NAME FlexibleBarrier-PT-16a-LTLCardinality-11
FORMULA_NAME FlexibleBarrier-PT-16a-LTLCardinality-12
FORMULA_NAME FlexibleBarrier-PT-16a-LTLCardinality-13
FORMULA_NAME FlexibleBarrier-PT-16a-LTLCardinality-14
FORMULA_NAME FlexibleBarrier-PT-16a-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1748957710060
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-16a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202505121319
[2025-06-03 13:35:12] [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 13:35:12] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 13:35:13] [INFO ] Load time of PNML (sax parser for PT used): 266 ms
[2025-06-03 13:35:13] [INFO ] Transformed 195 places.
[2025-06-03 13:35:13] [INFO ] Transformed 724 transitions.
[2025-06-03 13:35:13] [INFO ] Found NUPN structural information;
[2025-06-03 13:35:13] [INFO ] Parsed PT model containing 195 places and 724 transitions and 3489 arcs in 525 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 38 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
Ensure Unique test removed 226 transitions
Reduce redundant transitions removed 226 transitions.
FORMULA FlexibleBarrier-PT-16a-LTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-16a-LTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-16a-LTLCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-16a-LTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-16a-LTLCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-16a-LTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-16a-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-16a-LTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 22 out of 195 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 195/195 places, 498/498 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 0 with 16 rules applied. Total rules applied 16 place count 195 transition count 482
Applied a total of 16 rules in 80 ms. Remains 195 /195 variables (removed 0) and now considering 482/498 (removed 16) transitions.
// Phase 1: matrix 482 rows 195 cols
[2025-06-03 13:35:13] [INFO ] Computed 18 invariants in 27 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:35:14] [INFO ] Implicit Places using invariants in 1000 ms returned [193, 194]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 1057 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 193/195 places, 482/498 transitions.
Applied a total of 0 rules in 14 ms. Remains 193 /193 variables (removed 0) and now considering 482/482 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1174 ms. Remains : 193/195 places, 482/498 transitions.
Support contains 22 out of 193 places after structural reductions.
[2025-06-03 13:35:15] [INFO ] Flatten gal took : 110 ms
[2025-06-03 13:35:15] [INFO ] Flatten gal took : 58 ms
[2025-06-03 13:35:15] [INFO ] Input system was already deterministic with 482 transitions.
Reduction of identical properties reduced properties to check from 14 to 13
RANDOM walk for 4843 steps (0 resets) in 483 ms. (10 steps per ms) remains 0/13 properties
Computed a total of 1 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' '!(X((X(!p0) U (!p0&&X(!p0)))))'
Support contains 2 out of 193 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 193/193 places, 482/482 transitions.
Applied a total of 0 rules in 13 ms. Remains 193 /193 variables (removed 0) and now considering 482/482 (removed 0) transitions.
// Phase 1: matrix 482 rows 193 cols
[2025-06-03 13:35:16] [INFO ] Computed 16 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:35:16] [INFO ] Implicit Places using invariants in 126 ms returned []
[2025-06-03 13:35:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:35:16] [INFO ] Implicit Places using invariants and state equation in 464 ms returned []
Implicit Place search using SMT with State Equation took 595 ms to find 0 implicit places.
Running 481 sub problems to find dead transitions.
[2025-06-03 13:35:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 192/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 16/208 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/675 variables, 193/402 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/675 variables, 0/402 constraints. Problems are: Problem set: 0 solved, 481 unsolved
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 Real declared 675/675 variables, and 402 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30035 ms.
Refiners :[Domain max(s): 193/193 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 481 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 192/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 16/208 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/675 variables, 193/402 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/675 variables, 481/883 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/675 variables, 0/883 constraints. Problems are: Problem set: 0 solved, 481 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 675/675 variables, and 883 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30025 ms.
Refiners :[Domain max(s): 193/193 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60523ms problems are : Problem set: 0 solved, 481 unsolved
Search for dead transitions found 0 dead transitions in 60544ms
Finished structural reductions in LTL mode , in 1 iterations and 61161 ms. Remains : 193/193 places, 482/482 transitions.
Stuttering acceptance computed with spot in 335 ms :[p0, p0, p0, true]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLCardinality-00
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 2 ms.
FORMULA FlexibleBarrier-PT-16a-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLCardinality-00 finished in 61574 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&&X(X((F(p2)||p1))))))'
Support contains 3 out of 193 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 193/193 places, 482/482 transitions.
Applied a total of 0 rules in 8 ms. Remains 193 /193 variables (removed 0) and now considering 482/482 (removed 0) transitions.
[2025-06-03 13:36:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:36:17] [INFO ] Implicit Places using invariants in 84 ms returned []
[2025-06-03 13:36:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:36:18] [INFO ] Implicit Places using invariants and state equation in 245 ms returned []
Implicit Place search using SMT with State Equation took 333 ms to find 0 implicit places.
Running 481 sub problems to find dead transitions.
[2025-06-03 13:36:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 192/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 16/208 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/675 variables, 193/402 constraints. Problems are: Problem set: 0 solved, 481 unsolved
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 675/675 variables, and 402 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30024 ms.
Refiners :[Domain max(s): 193/193 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 481 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 192/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 16/208 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/675 variables, 193/402 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/675 variables, 481/883 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/675 variables, 0/883 constraints. Problems are: Problem set: 0 solved, 481 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 675/675 variables, and 883 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30020 ms.
Refiners :[Domain max(s): 193/193 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60269ms problems are : Problem set: 0 solved, 481 unsolved
Search for dead transitions found 0 dead transitions in 60274ms
Finished structural reductions in LTL mode , in 1 iterations and 60616 ms. Remains : 193/193 places, 482/482 transitions.
Stuttering acceptance computed with spot in 233 ms :[(NOT p2), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), true]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLCardinality-01
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-16a-LTLCardinality-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLCardinality-01 finished in 60877 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 193 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 193/193 places, 482/482 transitions.
Graph (trivial) has 251 edges and 193 vertex of which 178 / 193 are part of one of the 18 SCC in 3 ms
Free SCC test removed 160 places
Ensure Unique test removed 294 transitions
Reduce isomorphic transitions removed 294 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 4 rules applied. Total rules applied 5 place count 33 transition count 184
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 9 place count 29 transition count 184
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 11 place count 27 transition count 180
Iterating global reduction 2 with 2 rules applied. Total rules applied 13 place count 27 transition count 180
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 2 with 5 rules applied. Total rules applied 18 place count 27 transition count 175
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 21 place count 24 transition count 175
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 23 place count 23 transition count 174
Drop transitions (Redundant composition of simpler transitions.) removed 146 transitions
Redundant transition composition rules discarded 146 transitions
Iterating global reduction 4 with 146 rules applied. Total rules applied 169 place count 23 transition count 28
Discarding 13 places :
Symmetric choice reduction at 4 with 13 rule applications. Total rules 182 place count 10 transition count 15
Iterating global reduction 4 with 13 rules applied. Total rules applied 195 place count 10 transition count 15
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 196 place count 10 transition count 15
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 197 place count 9 transition count 14
Iterating global reduction 4 with 1 rules applied. Total rules applied 198 place count 9 transition count 14
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 199 place count 9 transition count 13
Applied a total of 199 rules in 53 ms. Remains 9 /193 variables (removed 184) and now considering 13/482 (removed 469) transitions.
[2025-06-03 13:37:18] [INFO ] Flow matrix only has 11 transitions (discarded 2 similar events)
// Phase 1: matrix 11 rows 9 cols
[2025-06-03 13:37:18] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:37:18] [INFO ] Implicit Places using invariants in 25 ms returned []
[2025-06-03 13:37:18] [INFO ] Flow matrix only has 11 transitions (discarded 2 similar events)
[2025-06-03 13:37:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:37:18] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 13:37:18] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 59 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 13:37:18] [INFO ] Redundant transitions in 0 ms returned []
Running 12 sub problems to find dead transitions.
[2025-06-03 13:37:18] [INFO ] Flow matrix only has 11 transitions (discarded 2 similar events)
[2025-06-03 13:37:18] [INFO ] Invariant cache hit.
[2025-06-03 13:37:18] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 1/9 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 10/19 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/19 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 1/20 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 13 constraints, problems are : Problem set: 0 solved, 12 unsolved in 263 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 9/9 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 1/9 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 10/19 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/19 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/19 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 1/20 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 25 constraints, problems are : Problem set: 0 solved, 12 unsolved in 215 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 9/9 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 487ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 488ms
Starting structural reductions in SI_LTL mode, iteration 1 : 9/193 places, 13/482 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 608 ms. Remains : 9/193 places, 13/482 transitions.
Stuttering acceptance computed with spot in 43 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLCardinality-04
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-16a-LTLCardinality-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLCardinality-04 finished in 666 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(G(p0))&&F(p1)) U (p2&&X(p3))))'
Support contains 7 out of 193 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 193/193 places, 482/482 transitions.
Applied a total of 0 rules in 5 ms. Remains 193 /193 variables (removed 0) and now considering 482/482 (removed 0) transitions.
// Phase 1: matrix 482 rows 193 cols
[2025-06-03 13:37:19] [INFO ] Computed 16 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:37:19] [INFO ] Implicit Places using invariants in 75 ms returned []
[2025-06-03 13:37:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:37:19] [INFO ] Implicit Places using invariants and state equation in 271 ms returned []
Implicit Place search using SMT with State Equation took 349 ms to find 0 implicit places.
Running 481 sub problems to find dead transitions.
[2025-06-03 13:37:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 192/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 16/208 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/675 variables, 193/402 constraints. Problems are: Problem set: 0 solved, 481 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 675/675 variables, and 402 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30020 ms.
Refiners :[Domain max(s): 193/193 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 481 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 192/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 16/208 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/675 variables, 193/402 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/675 variables, 481/883 constraints. Problems are: Problem set: 0 solved, 481 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 675/675 variables, and 883 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30026 ms.
Refiners :[Domain max(s): 193/193 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60333ms problems are : Problem set: 0 solved, 481 unsolved
Search for dead transitions found 0 dead transitions in 60336ms
Finished structural reductions in LTL mode , in 1 iterations and 60693 ms. Remains : 193/193 places, 482/482 transitions.
Stuttering acceptance computed with spot in 341 ms :[(OR (NOT p2) (NOT p3)), (NOT p0), (NOT p1), (AND (NOT p1) p2 (NOT p3)), (NOT p3)]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLCardinality-06
Product exploration explored 100000 steps with 50000 reset in 1665 ms.
Product exploration explored 100000 steps with 50000 reset in 958 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 p2 p1 (NOT p0) p3), (X p3), (X p2), (X (NOT (AND p2 (NOT p1) (NOT p3)))), (X (NOT (AND (NOT p2) (NOT p1) (NOT p3)))), (X (NOT (AND p2 (NOT p1)))), (X (NOT (AND (NOT p2) (NOT p3)))), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT (AND p2 (NOT p3)))), (X (NOT p0)), (X p1), (X (X p3)), (X (X p2)), (X (X (NOT (AND p2 (NOT p1) (NOT p3))))), (X (X (NOT (AND (NOT p2) (NOT p1) (NOT p3))))), (X (X (NOT (AND (NOT p2) (NOT p3))))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND p2 (NOT p3))))), (X (X (NOT p0)))]
False Knowledge obtained : [(X (X (AND p2 (NOT p1)))), (X (X (NOT (AND p2 (NOT p1))))), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to conjunction of knowledge (Minato strategy)
Knowledge based reduction with 19 factoid took 173 ms. Reduced automaton from 5 states, 14 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA FlexibleBarrier-PT-16a-LTLCardinality-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FlexibleBarrier-PT-16a-LTLCardinality-06 finished in 63873 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((p0 U X(X(X(!p1))))) U X(X(G(p0)))))'
Support contains 3 out of 193 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 193/193 places, 482/482 transitions.
Applied a total of 0 rules in 4 ms. Remains 193 /193 variables (removed 0) and now considering 482/482 (removed 0) transitions.
[2025-06-03 13:38:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:38:23] [INFO ] Implicit Places using invariants in 83 ms returned []
[2025-06-03 13:38:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:38:23] [INFO ] Implicit Places using invariants and state equation in 297 ms returned []
Implicit Place search using SMT with State Equation took 382 ms to find 0 implicit places.
Running 481 sub problems to find dead transitions.
[2025-06-03 13:38:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 192/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 16/208 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/675 variables, 193/402 constraints. Problems are: Problem set: 0 solved, 481 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 675/675 variables, and 402 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30024 ms.
Refiners :[Domain max(s): 193/193 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 481 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 192/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 16/208 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/675 variables, 193/402 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/675 variables, 481/883 constraints. Problems are: Problem set: 0 solved, 481 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 675/675 variables, and 883 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30023 ms.
Refiners :[Domain max(s): 193/193 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60198ms problems are : Problem set: 0 solved, 481 unsolved
Search for dead transitions found 0 dead transitions in 60201ms
Finished structural reductions in LTL mode , in 1 iterations and 60590 ms. Remains : 193/193 places, 482/482 transitions.
Stuttering acceptance computed with spot in 979 ms :[(AND p1 (NOT p0)), false, (AND p1 (NOT p0)), false, false, (NOT p0), p1, (AND (NOT p0) p1), true, (AND p1 p0), (AND p1 p0), (AND p1 p0), p1, p1, p1, p1, (NOT p0), p1, p1]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLCardinality-09
Product exploration explored 100000 steps with 24913 reset in 1018 ms.
Product exploration explored 100000 steps with 24989 reset in 891 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 p0 p1), (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 120 ms. Reduced automaton from 19 states, 31 edges and 2 AP (stutter sensitive) to 19 states, 31 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 853 ms :[(AND p1 (NOT p0)), false, (AND p1 (NOT p0)), false, false, (NOT p0), p1, (AND (NOT p0) p1), true, (AND p1 p0), (AND p1 p0), (AND p1 p0), p1, p1, p1, p1, (NOT p0), p1, p1]
RANDOM walk for 1728 steps (0 resets) in 45 ms. (37 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND p0 p1), (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT (OR p0 (NOT p1)))), (F (NOT (AND p0 p1))), (F (NOT p1)), (F (NOT p0))]
Knowledge based reduction with 3 factoid took 351 ms. Reduced automaton from 19 states, 31 edges and 2 AP (stutter sensitive) to 19 states, 31 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 946 ms :[(AND p1 (NOT p0)), false, (AND p1 (NOT p0)), false, false, (NOT p0), p1, (AND (NOT p0) p1), true, (AND p1 p0), (AND p1 p0), (AND p1 p0), p1, p1, p1, p1, (NOT p0), p1, p1]
Stuttering acceptance computed with spot in 944 ms :[(AND p1 (NOT p0)), false, (AND p1 (NOT p0)), false, false, (NOT p0), p1, (AND (NOT p0) p1), true, (AND p1 p0), (AND p1 p0), (AND p1 p0), p1, p1, p1, p1, (NOT p0), p1, p1]
Support contains 3 out of 193 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 193/193 places, 482/482 transitions.
Applied a total of 0 rules in 5 ms. Remains 193 /193 variables (removed 0) and now considering 482/482 (removed 0) transitions.
[2025-06-03 13:39:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:39:30] [INFO ] Implicit Places using invariants in 110 ms returned []
[2025-06-03 13:39:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:39:30] [INFO ] Implicit Places using invariants and state equation in 339 ms returned []
Implicit Place search using SMT with State Equation took 453 ms to find 0 implicit places.
Running 481 sub problems to find dead transitions.
[2025-06-03 13:39:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 192/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 16/208 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/675 variables, 193/402 constraints. Problems are: Problem set: 0 solved, 481 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 675/675 variables, and 402 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30022 ms.
Refiners :[Domain max(s): 193/193 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 481 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 192/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 16/208 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/675 variables, 193/402 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/675 variables, 481/883 constraints. Problems are: Problem set: 0 solved, 481 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 675/675 variables, and 883 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30025 ms.
Refiners :[Domain max(s): 193/193 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60246ms problems are : Problem set: 0 solved, 481 unsolved
Search for dead transitions found 0 dead transitions in 60249ms
Finished structural reductions in LTL mode , in 1 iterations and 60710 ms. Remains : 193/193 places, 482/482 transitions.
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 p0 p1), (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 201 ms. Reduced automaton from 19 states, 31 edges and 2 AP (stutter sensitive) to 19 states, 31 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 956 ms :[(AND p1 (NOT p0)), false, (AND p1 (NOT p0)), false, false, (NOT p0), p1, (AND (NOT p0) p1), true, (AND p1 p0), (AND p1 p0), (AND p1 p0), p1, p1, p1, p1, (NOT p0), p1, p1]
RANDOM walk for 2179 steps (0 resets) in 46 ms. (46 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND p0 p1), (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT (OR p0 (NOT p1)))), (F (NOT (AND p0 p1))), (F (NOT p1)), (F (NOT p0))]
Knowledge based reduction with 3 factoid took 355 ms. Reduced automaton from 19 states, 31 edges and 2 AP (stutter sensitive) to 19 states, 31 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 926 ms :[(AND p1 (NOT p0)), false, (AND p1 (NOT p0)), false, false, (NOT p0), p1, (AND (NOT p0) p1), true, (AND p1 p0), (AND p1 p0), (AND p1 p0), p1, p1, p1, p1, (NOT p0), p1, p1]
Stuttering acceptance computed with spot in 918 ms :[(AND p1 (NOT p0)), false, (AND p1 (NOT p0)), false, false, (NOT p0), p1, (AND (NOT p0) p1), true, (AND p1 p0), (AND p1 p0), (AND p1 p0), p1, p1, p1, p1, (NOT p0), p1, p1]
Stuttering acceptance computed with spot in 912 ms :[(AND p1 (NOT p0)), false, (AND p1 (NOT p0)), false, false, (NOT p0), p1, (AND (NOT p0) p1), true, (AND p1 p0), (AND p1 p0), (AND p1 p0), p1, p1, p1, p1, (NOT p0), p1, p1]
Product exploration explored 100000 steps with 25061 reset in 1070 ms.
Product exploration explored 100000 steps with 24981 reset in 782 ms.
Applying partial POR strategy [false, false, false, false, false, false, true, true, true, false, false, false, false, false, false, false, true, false, false]
Stuttering acceptance computed with spot in 911 ms :[(AND p1 (NOT p0)), false, (AND p1 (NOT p0)), false, false, (NOT p0), p1, (AND (NOT p0) p1), true, (AND p1 p0), (AND p1 p0), (AND p1 p0), p1, p1, p1, p1, (NOT p0), p1, p1]
Support contains 3 out of 193 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 193/193 places, 482/482 transitions.
Graph (trivial) has 247 edges and 193 vertex of which 179 / 193 are part of one of the 19 SCC in 1 ms
Free SCC test removed 160 places
Ensure Unique test removed 305 transitions
Reduce isomorphic transitions removed 305 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 33 transition count 177
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 6 place count 31 transition count 173
Deduced a syphon composed of 3 places in 1 ms
Iterating global reduction 1 with 2 rules applied. Total rules applied 8 place count 31 transition count 173
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 10 place count 31 transition count 171
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 5 places in 1 ms
Iterating global reduction 2 with 2 rules applied. Total rules applied 12 place count 31 transition count 171
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 14 place count 29 transition count 169
Deduced a syphon composed of 3 places in 1 ms
Iterating global reduction 2 with 2 rules applied. Total rules applied 16 place count 29 transition count 169
Deduced a syphon composed of 3 places in 1 ms
Drop transitions (Redundant composition of simpler transitions.) removed 135 transitions
Redundant transition composition rules discarded 135 transitions
Iterating global reduction 2 with 135 rules applied. Total rules applied 151 place count 29 transition count 34
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 2 with 2 rules applied. Total rules applied 153 place count 29 transition count 34
Discarding 12 places :
Symmetric choice reduction at 3 with 12 rule applications. Total rules 165 place count 17 transition count 22
Deduced a syphon composed of 5 places in 1 ms
Iterating global reduction 3 with 12 rules applied. Total rules applied 177 place count 17 transition count 22
Deduced a syphon composed of 5 places in 0 ms
Applied a total of 177 rules in 34 ms. Remains 17 /193 variables (removed 176) and now considering 22/482 (removed 460) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 13:40:38] [INFO ] Redundant transitions in 1 ms returned []
Running 21 sub problems to find dead transitions.
[2025-06-03 13:40:38] [INFO ] Flow matrix only has 18 transitions (discarded 4 similar events)
// Phase 1: matrix 18 rows 17 cols
[2025-06-03 13:40:38] [INFO ] Computed 4 invariants in 1 ms
[2025-06-03 13:40:38] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 1 (OVERLAPS) 1/17 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 21 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 13:40:38] [INFO ] Deduced a trap composed of 3 places in 53 ms of which 13 ms to minimize.
Problem TDEAD4 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 13:40:38] [INFO ] Deduced a trap composed of 5 places in 40 ms of which 4 ms to minimize.
Problem TDEAD5 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD12 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 13:40:38] [INFO ] Deduced a trap composed of 5 places in 43 ms of which 3 ms to minimize.
Problem TDEAD14 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 3/7 constraints. Problems are: Problem set: 5 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/7 constraints. Problems are: Problem set: 5 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 17/34 variables, 17/24 constraints. Problems are: Problem set: 5 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/34 variables, 0/24 constraints. Problems are: Problem set: 5 solved, 16 unsolved
At refinement iteration 6 (OVERLAPS) 1/35 variables, 1/25 constraints. Problems are: Problem set: 5 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/35 variables, 0/25 constraints. Problems are: Problem set: 5 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 0/35 variables, 0/25 constraints. Problems are: Problem set: 5 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 35/35 variables, and 25 constraints, problems are : Problem set: 5 solved, 16 unsolved in 729 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 17/17 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 21/21 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 5 solved, 16 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 5 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 6/17 variables, 4/4 constraints. Problems are: Problem set: 5 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 3/7 constraints. Problems are: Problem set: 5 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/7 constraints. Problems are: Problem set: 5 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 17/34 variables, 17/24 constraints. Problems are: Problem set: 5 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/34 variables, 16/40 constraints. Problems are: Problem set: 5 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/34 variables, 0/40 constraints. Problems are: Problem set: 5 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 1/35 variables, 1/41 constraints. Problems are: Problem set: 5 solved, 16 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/35 variables, 0/41 constraints. Problems are: Problem set: 5 solved, 16 unsolved
At refinement iteration 9 (OVERLAPS) 0/35 variables, 0/41 constraints. Problems are: Problem set: 5 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 35/35 variables, and 41 constraints, problems are : Problem set: 5 solved, 16 unsolved in 500 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 17/17 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 16/21 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1237ms problems are : Problem set: 5 solved, 16 unsolved
Search for dead transitions found 5 dead transitions in 1237ms
Found 5 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 5 transitions
Dead transitions reduction (with SMT) removed 5 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 17/193 places, 17/482 transitions.
Graph (complete) has 20 edges and 17 vertex of which 12 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.1 ms
Discarding 5 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 9 ms. Remains 12 /17 variables (removed 5) and now considering 17/17 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 12/193 places, 17/482 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1292 ms. Remains : 12/193 places, 17/482 transitions.
Built C files in :
/tmp/ltsmin10490109242597411946
[2025-06-03 13:40:39] [INFO ] Built C files in 45ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin10490109242597411946
Running compilation step : cd /tmp/ltsmin10490109242597411946;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 1754 ms.
Running link step : cd /tmp/ltsmin10490109242597411946;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 58 ms.
Running LTSmin : cd /tmp/ltsmin10490109242597411946;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased15192426880893445356.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 3 out of 193 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 193/193 places, 482/482 transitions.
Applied a total of 0 rules in 9 ms. Remains 193 /193 variables (removed 0) and now considering 482/482 (removed 0) transitions.
// Phase 1: matrix 482 rows 193 cols
[2025-06-03 13:40:54] [INFO ] Computed 16 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:40:54] [INFO ] Implicit Places using invariants in 88 ms returned []
[2025-06-03 13:40:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:40:55] [INFO ] Implicit Places using invariants and state equation in 223 ms returned []
Implicit Place search using SMT with State Equation took 319 ms to find 0 implicit places.
Running 481 sub problems to find dead transitions.
[2025-06-03 13:40:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 192/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 16/208 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/675 variables, 193/402 constraints. Problems are: Problem set: 0 solved, 481 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 675/675 variables, and 402 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30022 ms.
Refiners :[Domain max(s): 193/193 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 481 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 192/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 16/208 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/675 variables, 193/402 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/675 variables, 481/883 constraints. Problems are: Problem set: 0 solved, 481 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 675/675 variables, and 883 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30021 ms.
Refiners :[Domain max(s): 193/193 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60239ms problems are : Problem set: 0 solved, 481 unsolved
Search for dead transitions found 0 dead transitions in 60242ms
Finished structural reductions in LTL mode , in 1 iterations and 60572 ms. Remains : 193/193 places, 482/482 transitions.
Built C files in :
/tmp/ltsmin16265607135096909103
[2025-06-03 13:41:55] [INFO ] Built C files in 14ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16265607135096909103
Running compilation step : cd /tmp/ltsmin16265607135096909103;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 1276 ms.
Running link step : cd /tmp/ltsmin16265607135096909103;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 36 ms.
Running LTSmin : cd /tmp/ltsmin16265607135096909103;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased4185841443246067315.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-06-03 13:42:10] [INFO ] Flatten gal took : 31 ms
[2025-06-03 13:42:10] [INFO ] Flatten gal took : 29 ms
[2025-06-03 13:42:10] [INFO ] Time to serialize gal into /tmp/LTL2650752098930328558.gal : 11 ms
[2025-06-03 13:42:10] [INFO ] Time to serialize properties into /tmp/LTL13489282033977555940.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL2650752098930328558.gal' '-t' 'CGAL' '-hoa' '/tmp/aut10357037880821078203.hoa' '-atoms' '/tmp/LTL13489282033977555940.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...319
Loading property file /tmp/LTL13489282033977555940.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut10357037880821078203.hoa
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Detected timeout of ITS tools.
[2025-06-03 13:42:25] [INFO ] Flatten gal took : 25 ms
[2025-06-03 13:42:25] [INFO ] Flatten gal took : 23 ms
[2025-06-03 13:42:25] [INFO ] Time to serialize gal into /tmp/LTL15551723484573693268.gal : 6 ms
[2025-06-03 13:42:25] [INFO ] Time to serialize properties into /tmp/LTL4766182724298963595.ltl : 5 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL15551723484573693268.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL4766182724298963595.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !(((G(("((p26==0)||(p12==1))")U(X(X(X(!("((p164==0)||(p12==1))")))))))U(X(X(G("((p26==0)||(p12==1))"))))))
Formula 0 simplified : F(!"((p26==0)||(p12==1))" R XXX"((p164==0)||(p12==1))") R XXF!"((p26==0)||(p12==1))"
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Detected timeout of ITS tools.
[2025-06-03 13:42:40] [INFO ] Flatten gal took : 23 ms
[2025-06-03 13:42:40] [INFO ] Applying decomposition
[2025-06-03 13:42:40] [INFO ] Flatten gal took : 22 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph12707019348767828827.txt' '-o' '/tmp/graph12707019348767828827.bin' '-w' '/tmp/graph12707019348767828827.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph12707019348767828827.bin' '-l' '-1' '-v' '-w' '/tmp/graph12707019348767828827.weights' '-q' '0' '-e' '0.001'
[2025-06-03 13:42:41] [INFO ] Decomposing Gal with order
[2025-06-03 13:42:41] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-03 13:42:41] [INFO ] Removed a total of 450 redundant transitions.
[2025-06-03 13:42:41] [INFO ] Flatten gal took : 106 ms
[2025-06-03 13:42:41] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 7 ms.
[2025-06-03 13:42:41] [INFO ] Time to serialize gal into /tmp/LTL17173852435554299409.gal : 8 ms
[2025-06-03 13:42:41] [INFO ] Time to serialize properties into /tmp/LTL7033211281632302932.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL17173852435554299409.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL7033211281632302932.ltl' '-c' '-stutter-deadlock'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...255
Read 1 LTL properties
Checking formula 0 : !(((G(("((i2.u10.p26==0)||(i0.u4.p12==1))")U(X(X(X(!("((i13.u68.p164==0)||(i0.u4.p12==1))")))))))U(X(X(G("((i2.u10.p26==0)||(i0.u4.p12...167
Formula 0 simplified : F(!"((i2.u10.p26==0)||(i0.u4.p12==1))" R XXX"((i13.u68.p164==0)||(i0.u4.p12==1))") R XXF!"((i2.u10.p26==0)||(i0.u4.p12==1))"
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
6 unique states visited
6 strongly connected components in search stack
6 transitions explored
6 items max in DFS search stack
8 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,0.131867,21216,1,0,4453,224,1728,4865,109,237,8713
an accepting run exists (use option '-e' to print it)
Formula 0 is FALSE accepting run found.
FORMULA FlexibleBarrier-PT-16a-LTLCardinality-09 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Treatment of property FlexibleBarrier-PT-16a-LTLCardinality-09 finished in 258157 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)))'
Support contains 2 out of 193 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 193/193 places, 482/482 transitions.
Applied a total of 0 rules in 3 ms. Remains 193 /193 variables (removed 0) and now considering 482/482 (removed 0) transitions.
[2025-06-03 13:42:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:42:41] [INFO ] Implicit Places using invariants in 101 ms returned []
[2025-06-03 13:42:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:42:41] [INFO ] Implicit Places using invariants and state equation in 365 ms returned []
Implicit Place search using SMT with State Equation took 469 ms to find 0 implicit places.
Running 481 sub problems to find dead transitions.
[2025-06-03 13:42:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 192/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 16/208 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/675 variables, 193/402 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/675 variables, 0/402 constraints. Problems are: Problem set: 0 solved, 481 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 675/675 variables, and 402 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30019 ms.
Refiners :[Domain max(s): 193/193 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 481 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 192/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 16/208 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/675 variables, 193/402 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/675 variables, 481/883 constraints. Problems are: Problem set: 0 solved, 481 unsolved
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 675/675 variables, and 883 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30020 ms.
Refiners :[Domain max(s): 193/193 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60238ms problems are : Problem set: 0 solved, 481 unsolved
Search for dead transitions found 0 dead transitions in 60243ms
Finished structural reductions in LTL mode , in 1 iterations and 60718 ms. Remains : 193/193 places, 482/482 transitions.
Stuttering acceptance computed with spot in 120 ms :[(NOT p0), (NOT p0), true, (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLCardinality-12
Product exploration explored 100000 steps with 33333 reset in 711 ms.
Product exploration explored 100000 steps with 33333 reset in 670 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 (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 2 factoid took 12 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA FlexibleBarrier-PT-16a-LTLCardinality-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FlexibleBarrier-PT-16a-LTLCardinality-12 finished in 62253 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(F(p0)))))'
Support contains 1 out of 193 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 193/193 places, 482/482 transitions.
Applied a total of 0 rules in 3 ms. Remains 193 /193 variables (removed 0) and now considering 482/482 (removed 0) transitions.
[2025-06-03 13:43:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:43:43] [INFO ] Implicit Places using invariants in 83 ms returned []
[2025-06-03 13:43:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:43:43] [INFO ] Implicit Places using invariants and state equation in 228 ms returned []
Implicit Place search using SMT with State Equation took 339 ms to find 0 implicit places.
Running 481 sub problems to find dead transitions.
[2025-06-03 13:43:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 192/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 16/208 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/675 variables, 193/402 constraints. Problems are: Problem set: 0 solved, 481 unsolved
Error getting values : (error "ParserException while parsing response: ((t0 1.0)
(t1 0.0)
(t2 0.0)
(t3 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 675/675 variables, and 402 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30020 ms.
Refiners :[Domain max(s): 193/193 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 481 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 192/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 16/208 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/675 variables, 193/402 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/675 variables, 481/883 constraints. Problems are: Problem set: 0 solved, 481 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 675/675 variables, and 883 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30023 ms.
Refiners :[Domain max(s): 193/193 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60167ms problems are : Problem set: 0 solved, 481 unsolved
Search for dead transitions found 0 dead transitions in 60171ms
Finished structural reductions in LTL mode , in 1 iterations and 60514 ms. Remains : 193/193 places, 482/482 transitions.
Stuttering acceptance computed with spot in 196 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLCardinality-13
Product exploration explored 100000 steps with 25000 reset in 892 ms.
Product exploration explored 100000 steps with 25000 reset in 632 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]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 65 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 134 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 1036 steps (0 resets) in 18 ms. (54 steps per ms) remains 0/1 properties
Knowledge obtained : [p0]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 1 factoid took 98 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 148 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 150 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 1 out of 193 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 193/193 places, 482/482 transitions.
Applied a total of 0 rules in 3 ms. Remains 193 /193 variables (removed 0) and now considering 482/482 (removed 0) transitions.
[2025-06-03 13:44:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:44:46] [INFO ] Implicit Places using invariants in 95 ms returned []
[2025-06-03 13:44:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:44:46] [INFO ] Implicit Places using invariants and state equation in 327 ms returned []
Implicit Place search using SMT with State Equation took 425 ms to find 0 implicit places.
Running 481 sub problems to find dead transitions.
[2025-06-03 13:44:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 192/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 16/208 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/675 variables, 193/402 constraints. Problems are: Problem set: 0 solved, 481 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 675/675 variables, and 402 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30021 ms.
Refiners :[Domain max(s): 193/193 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 481 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 192/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 16/208 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/675 variables, 193/402 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/675 variables, 481/883 constraints. Problems are: Problem set: 0 solved, 481 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 675/675 variables, and 883 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30025 ms.
Refiners :[Domain max(s): 193/193 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60253ms problems are : Problem set: 0 solved, 481 unsolved
Search for dead transitions found 0 dead transitions in 60255ms
Finished structural reductions in LTL mode , in 1 iterations and 60692 ms. Remains : 193/193 places, 482/482 transitions.
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]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 112 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 191 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 1196 steps (0 resets) in 21 ms. (54 steps per ms) remains 0/1 properties
Knowledge obtained : [p0]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 1 factoid took 130 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 193 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 192 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 191 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 25000 reset in 934 ms.
Product exploration explored 100000 steps with 25000 reset in 632 ms.
Applying partial POR strategy [true, false, false, false]
Stuttering acceptance computed with spot in 154 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 1 out of 193 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 193/193 places, 482/482 transitions.
Graph (trivial) has 253 edges and 193 vertex of which 188 / 193 are part of one of the 18 SCC in 1 ms
Free SCC test removed 170 places
Ensure Unique test removed 335 transitions
Reduce isomorphic transitions removed 335 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 23 transition count 147
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 2 places in 0 ms
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 23 transition count 149
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 4 place count 22 transition count 147
Deduced a syphon composed of 1 places in 0 ms
Iterating global reduction 1 with 1 rules applied. Total rules applied 5 place count 22 transition count 147
Deduced a syphon composed of 1 places in 0 ms
Drop transitions (Redundant composition of simpler transitions.) removed 120 transitions
Redundant transition composition rules discarded 120 transitions
Iterating global reduction 1 with 120 rules applied. Total rules applied 125 place count 22 transition count 27
Discarding 14 places :
Symmetric choice reduction at 1 with 14 rule applications. Total rules 139 place count 8 transition count 13
Deduced a syphon composed of 1 places in 0 ms
Iterating global reduction 1 with 14 rules applied. Total rules applied 153 place count 8 transition count 13
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 153 rules in 19 ms. Remains 8 /193 variables (removed 185) and now considering 13/482 (removed 469) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 13:45:50] [INFO ] Redundant transitions in 0 ms returned []
Running 12 sub problems to find dead transitions.
[2025-06-03 13:45:50] [INFO ] Flow matrix only has 10 transitions (discarded 3 similar events)
// Phase 1: matrix 10 rows 8 cols
[2025-06-03 13:45:50] [INFO ] Computed 2 invariants in 1 ms
[2025-06-03 13:45:50] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 1/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 13:45:50] [INFO ] Deduced a trap composed of 6 places in 40 ms of which 4 ms to minimize.
Problem TDEAD1 is UNSAT
Problem TDEAD2 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/3 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 4 (OVERLAPS) 9/17 variables, 8/11 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/17 variables, 0/11 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 6 (OVERLAPS) 1/18 variables, 1/12 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/18 variables, 0/12 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 8 (OVERLAPS) 0/18 variables, 0/12 constraints. Problems are: Problem set: 2 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 18/18 variables, and 12 constraints, problems are : Problem set: 2 solved, 10 unsolved in 354 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 8/8 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 10 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 2/8 variables, 2/2 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/3 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 4 (OVERLAPS) 9/17 variables, 8/11 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/17 variables, 10/21 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/17 variables, 0/21 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 1/18 variables, 1/22 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/18 variables, 0/22 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 9 (OVERLAPS) 0/18 variables, 0/22 constraints. Problems are: Problem set: 2 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 18/18 variables, and 22 constraints, problems are : Problem set: 2 solved, 10 unsolved in 266 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 8/8 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 10/12 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 626ms problems are : Problem set: 2 solved, 10 unsolved
Search for dead transitions found 2 dead transitions in 626ms
Found 2 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 2 transitions
Dead transitions reduction (with SMT) removed 2 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 8/193 places, 11/482 transitions.
Graph (complete) has 12 edges and 8 vertex of which 7 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 1 ms. Remains 7 /8 variables (removed 1) and now considering 11/11 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 7/193 places, 11/482 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 655 ms. Remains : 7/193 places, 11/482 transitions.
Built C files in :
/tmp/ltsmin15858138849326476834
[2025-06-03 13:45:50] [INFO ] Built C files in 13ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15858138849326476834
Running compilation step : cd /tmp/ltsmin15858138849326476834;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 1317 ms.
Running link step : cd /tmp/ltsmin15858138849326476834;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 36 ms.
Running LTSmin : cd /tmp/ltsmin15858138849326476834;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased4216636348267683511.hoa' '--buchi-type=spotba'
LTSmin run took 289 ms.
FORMULA FlexibleBarrier-PT-16a-LTLCardinality-13 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property FlexibleBarrier-PT-16a-LTLCardinality-13 finished in 128829 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 193 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 193/193 places, 482/482 transitions.
Graph (trivial) has 250 edges and 193 vertex of which 181 / 193 are part of one of the 17 SCC in 1 ms
Free SCC test removed 164 places
Ensure Unique test removed 313 transitions
Reduce isomorphic transitions removed 313 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 14 places and 0 transitions.
Ensure Unique test removed 144 transitions
Reduce isomorphic transitions removed 144 transitions.
Graph (trivial) has 15 edges and 14 vertex of which 2 / 14 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 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 160 rules applied. Total rules applied 161 place count 13 transition count 23
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 5 rules applied. Total rules applied 166 place count 12 transition count 19
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 168 place count 10 transition count 19
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 168 place count 10 transition count 18
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 170 place count 9 transition count 18
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 171 place count 8 transition count 16
Iterating global reduction 3 with 1 rules applied. Total rules applied 172 place count 8 transition count 16
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 3 with 2 rules applied. Total rules applied 174 place count 8 transition count 14
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 4 with 2 rules applied. Total rules applied 176 place count 7 transition count 13
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 177 place count 6 transition count 13
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 6 with 6 rules applied. Total rules applied 183 place count 6 transition count 7
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 6 with 1 rules applied. Total rules applied 184 place count 6 transition count 6
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 185 place count 5 transition count 6
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 1 Pre rules applied. Total rules applied 185 place count 5 transition count 5
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 8 with 2 rules applied. Total rules applied 187 place count 4 transition count 5
Applied a total of 187 rules in 12 ms. Remains 4 /193 variables (removed 189) and now considering 5/482 (removed 477) transitions.
// Phase 1: matrix 5 rows 4 cols
[2025-06-03 13:45:52] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:45:52] [INFO ] Implicit Places using invariants in 17 ms returned []
[2025-06-03 13:45:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:45:52] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 13:45:52] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2025-06-03 13:45:52] [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, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/8 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/8 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 8/9 variables, and 6 constraints, problems are : Problem set: 0 solved, 2 unsolved in 43 ms.
Refiners :[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, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/8 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 8/9 variables, and 8 constraints, problems are : Problem set: 0 solved, 2 unsolved in 54 ms.
Refiners :[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 99ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 100ms
Starting structural reductions in SI_LTL mode, iteration 1 : 4/193 places, 5/482 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 156 ms. Remains : 4/193 places, 5/482 transitions.
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLCardinality-14
Stuttering criterion allowed to conclude after 8 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-16a-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLCardinality-14 finished in 208 ms.
All properties solved by simple procedures.
Total runtime 639906 ms.
BK_STOP 1748958352695
--------------------
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-16a"
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-16a, 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-174860102600499"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-16a.tgz
mv FlexibleBarrier-PT-16a execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLCardinality.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;