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 | 303449.00 | 0.00 | 0.00 | FFFTFFFFFFFFTTFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r086-smll-174860102600500.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 LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r086-smll-174860102600500
=====================================================================
--------------------
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-LTLFireability-00
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-01
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-02
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-03
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-04
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-05
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-06
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-07
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-08
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-09
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-10
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-11
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-12
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-13
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-14
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1748958369803
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FlexibleBarrier-PT-16a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-03 13:46:12] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-03 13:46:12] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 13:46:13] [INFO ] Load time of PNML (sax parser for PT used): 324 ms
[2025-06-03 13:46:13] [INFO ] Transformed 195 places.
[2025-06-03 13:46:13] [INFO ] Transformed 724 transitions.
[2025-06-03 13:46:13] [INFO ] Found NUPN structural information;
[2025-06-03 13:46:13] [INFO ] Parsed PT model containing 195 places and 724 transitions and 3489 arcs in 601 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 20 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
Ensure Unique test removed 226 transitions
Reduce redundant transitions removed 226 transitions.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 37 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 78 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 13:46:13] [INFO ] Computed 18 invariants in 22 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:46:14] [INFO ] Implicit Places using invariants in 657 ms returned []
[2025-06-03 13:46:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:46:14] [INFO ] State equation strengthened by 321 read => feed constraints.
[2025-06-03 13:46:15] [INFO ] Implicit Places using invariants and state equation in 1051 ms returned []
Implicit Place search using SMT with State Equation took 1778 ms to find 0 implicit places.
Running 481 sub problems to find dead transitions.
[2025-06-03 13:46:15] [INFO ] Invariant cache hit.
[2025-06-03 13:46:15] [INFO ] State equation strengthened by 321 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/194 variables, 194/194 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/194 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/195 variables, 18/212 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/195 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/195 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/677 variables, 195/408 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/677 variables, 321/729 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 677/677 variables, and 729 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30075 ms.
Refiners :[Domain max(s): 195/195 constraints, Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 195/195 constraints, ReadFeed: 321/321 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) 0/194 variables, 194/194 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/194 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/195 variables, 18/212 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/195 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/195 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/677 variables, 195/408 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/677 variables, 321/729 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/677 variables, 481/1210 constraints. Problems are: Problem set: 0 solved, 481 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 677/677 variables, and 1210 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30043 ms.
Refiners :[Domain max(s): 195/195 constraints, Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 195/195 constraints, ReadFeed: 321/321 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60841ms problems are : Problem set: 0 solved, 481 unsolved
Search for dead transitions found 0 dead transitions in 60883ms
Starting structural reductions in LTL mode, iteration 1 : 195/195 places, 482/498 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62783 ms. Remains : 195/195 places, 482/498 transitions.
Support contains 37 out of 195 places after structural reductions.
[2025-06-03 13:47:16] [INFO ] Flatten gal took : 128 ms
[2025-06-03 13:47:16] [INFO ] Flatten gal took : 67 ms
[2025-06-03 13:47:17] [INFO ] Input system was already deterministic with 482 transitions.
Reduction of identical properties reduced properties to check from 41 to 38
RANDOM walk for 4323 steps (0 resets) in 592 ms. (7 steps per ms) remains 0/38 properties
FORMULA FlexibleBarrier-PT-16a-LTLFireability-02 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 3 stabilizing places and 1 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(((X(!(p0 U p1)) U p2)||G(p3))))))'
Support contains 6 out of 195 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Applied a total of 0 rules in 22 ms. Remains 195 /195 variables (removed 0) and now considering 482/482 (removed 0) transitions.
[2025-06-03 13:47:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:47:18] [INFO ] Implicit Places using invariants in 311 ms returned [194]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 314 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 194/195 places, 482/482 transitions.
Applied a total of 0 rules in 9 ms. Remains 194 /194 variables (removed 0) and now considering 482/482 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 347 ms. Remains : 194/195 places, 482/482 transitions.
Stuttering acceptance computed with spot in 862 ms :[true, (AND (NOT p2) (NOT p3)), p1, (AND p1 (NOT p3)), (NOT p3), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (OR (NOT p2) p1), (OR (AND (NOT p2) (NOT p3)) (AND p1 (NOT p3)))]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-00
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 2 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-00 finished in 1353 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(G(p1))))'
Support contains 4 out of 195 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Applied a total of 0 rules in 8 ms. Remains 195 /195 variables (removed 0) and now considering 482/482 (removed 0) transitions.
[2025-06-03 13:47:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:47:19] [INFO ] Implicit Places using invariants in 250 ms returned []
[2025-06-03 13:47:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:47:19] [INFO ] State equation strengthened by 321 read => feed constraints.
[2025-06-03 13:47:20] [INFO ] Implicit Places using invariants and state equation in 726 ms returned []
Implicit Place search using SMT with State Equation took 980 ms to find 0 implicit places.
Running 481 sub problems to find dead transitions.
[2025-06-03 13:47:20] [INFO ] Invariant cache hit.
[2025-06-03 13:47:20] [INFO ] State equation strengthened by 321 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/194 variables, 194/194 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/194 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/195 variables, 18/212 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/195 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/195 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/677 variables, 195/408 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/677 variables, 321/729 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 677/677 variables, and 729 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30023 ms.
Refiners :[Domain max(s): 195/195 constraints, Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 195/195 constraints, ReadFeed: 321/321 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) 0/194 variables, 194/194 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/194 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/195 variables, 18/212 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/195 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/195 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/677 variables, 195/408 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/677 variables, 321/729 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/677 variables, 481/1210 constraints. Problems are: Problem set: 0 solved, 481 unsolved
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 677/677 variables, and 1210 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30028 ms.
Refiners :[Domain max(s): 195/195 constraints, Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 195/195 constraints, ReadFeed: 321/321 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60404ms problems are : Problem set: 0 solved, 481 unsolved
Search for dead transitions found 0 dead transitions in 60409ms
Finished structural reductions in LTL mode , in 1 iterations and 61402 ms. Remains : 195/195 places, 482/482 transitions.
Stuttering acceptance computed with spot in 199 ms :[(NOT p1), true, (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-01
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-01 finished in 61626 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) U ((!p0&&X(!p0))||X(G(!p0))))&&(X(p1) U ((!p2&&X(p1))||X(G(p1))))))'
Support contains 5 out of 195 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Applied a total of 0 rules in 12 ms. Remains 195 /195 variables (removed 0) and now considering 482/482 (removed 0) transitions.
[2025-06-03 13:48:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:48:21] [INFO ] Implicit Places using invariants in 342 ms returned [194]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 344 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 194/195 places, 482/482 transitions.
Applied a total of 0 rules in 7 ms. Remains 194 /194 variables (removed 0) and now considering 482/482 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 363 ms. Remains : 194/195 places, 482/482 transitions.
Stuttering acceptance computed with spot in 298 ms :[(OR (NOT p1) p0), p0, (NOT p1), (NOT p1), p0, true]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-03
Product exploration explored 100000 steps with 50000 reset in 2291 ms.
Product exploration explored 100000 steps with 50000 reset in 1975 ms.
Computed a total of 2 stabilizing places and 1 stable transitions
Computed a total of 2 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p0) p1), (X (NOT p2)), (X p1), (X (NOT (AND p2 p1))), (X (NOT (AND p2 (NOT p1)))), (X (NOT p0)), (X (X (NOT (AND p2 (NOT p1)))))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (NOT p1))), (X (X p1)), (X (X (AND p2 p1))), (X (X (NOT (AND p2 p1)))), (X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 7 factoid took 22 ms. Reduced automaton from 6 states, 12 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA FlexibleBarrier-PT-16a-LTLFireability-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-03 finished in 5003 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 3 out of 195 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Graph (trivial) has 155 edges and 195 vertex of which 42 / 195 are part of one of the 14 SCC in 3 ms
Free SCC test removed 28 places
Ensure Unique test removed 106 transitions
Reduce isomorphic transitions removed 106 transitions.
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 48
Deduced a syphon composed of 48 places in 1 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 0 with 96 rules applied. Total rules applied 97 place count 119 transition count 328
Drop transitions (Redundant composition of simpler transitions.) removed 145 transitions
Redundant transition composition rules discarded 145 transitions
Iterating global reduction 0 with 145 rules applied. Total rules applied 242 place count 119 transition count 183
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 243 place count 119 transition count 183
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 244 place count 118 transition count 182
Iterating global reduction 0 with 1 rules applied. Total rules applied 245 place count 118 transition count 182
Applied a total of 245 rules in 81 ms. Remains 118 /195 variables (removed 77) and now considering 182/482 (removed 300) transitions.
[2025-06-03 13:48:25] [INFO ] Flow matrix only has 153 transitions (discarded 29 similar events)
// Phase 1: matrix 153 rows 118 cols
[2025-06-03 13:48:25] [INFO ] Computed 18 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:48:26] [INFO ] Implicit Places using invariants in 149 ms returned [117]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 153 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 117/195 places, 182/482 transitions.
Graph (trivial) has 158 edges and 117 vertex of which 42 / 117 are part of one of the 14 SCC in 1 ms
Free SCC test removed 28 places
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 89 transition count 110
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 33 place count 73 transition count 110
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 33 place count 73 transition count 94
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 65 place count 57 transition count 94
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: 18
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 2 with 36 rules applied. Total rules applied 101 place count 39 transition count 76
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 2 with 16 rules applied. Total rules applied 117 place count 39 transition count 60
Applied a total of 117 rules in 43 ms. Remains 39 /117 variables (removed 78) and now considering 60/182 (removed 122) transitions.
[2025-06-03 13:48:26] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
// Phase 1: matrix 43 rows 39 cols
[2025-06-03 13:48:26] [INFO ] Computed 17 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:48:26] [INFO ] Implicit Places using invariants in 38 ms returned []
[2025-06-03 13:48:26] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2025-06-03 13:48:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:48:26] [INFO ] State equation strengthened by 19 read => feed constraints.
[2025-06-03 13:48:26] [INFO ] Implicit Places using invariants and state equation in 58 ms returned []
Implicit Place search using SMT with State Equation took 99 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 39/195 places, 60/482 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 376 ms. Remains : 39/195 places, 60/482 transitions.
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-04
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-04 finished in 425 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 3 out of 195 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Graph (trivial) has 155 edges and 195 vertex of which 42 / 195 are part of one of the 14 SCC in 1 ms
Free SCC test removed 28 places
Ensure Unique test removed 106 transitions
Reduce isomorphic transitions removed 106 transitions.
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 48
Deduced a syphon composed of 48 places in 0 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 0 with 96 rules applied. Total rules applied 97 place count 119 transition count 328
Drop transitions (Redundant composition of simpler transitions.) removed 145 transitions
Redundant transition composition rules discarded 145 transitions
Iterating global reduction 0 with 145 rules applied. Total rules applied 242 place count 119 transition count 183
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 243 place count 119 transition count 183
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 244 place count 118 transition count 182
Iterating global reduction 0 with 1 rules applied. Total rules applied 245 place count 118 transition count 182
Applied a total of 245 rules in 94 ms. Remains 118 /195 variables (removed 77) and now considering 182/482 (removed 300) transitions.
[2025-06-03 13:48:26] [INFO ] Flow matrix only has 153 transitions (discarded 29 similar events)
// Phase 1: matrix 153 rows 118 cols
[2025-06-03 13:48:26] [INFO ] Computed 18 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:48:26] [INFO ] Implicit Places using invariants in 210 ms returned [117]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 212 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 117/195 places, 182/482 transitions.
Graph (trivial) has 158 edges and 117 vertex of which 42 / 117 are part of one of the 14 SCC in 1 ms
Free SCC test removed 28 places
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 89 transition count 110
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 33 place count 73 transition count 110
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 33 place count 73 transition count 94
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 65 place count 57 transition count 94
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: 18
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 2 with 36 rules applied. Total rules applied 101 place count 39 transition count 76
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 2 with 16 rules applied. Total rules applied 117 place count 39 transition count 60
Applied a total of 117 rules in 24 ms. Remains 39 /117 variables (removed 78) and now considering 60/182 (removed 122) transitions.
[2025-06-03 13:48:26] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
// Phase 1: matrix 43 rows 39 cols
[2025-06-03 13:48:26] [INFO ] Computed 17 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:48:26] [INFO ] Implicit Places using invariants in 51 ms returned []
[2025-06-03 13:48:26] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2025-06-03 13:48:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:48:26] [INFO ] State equation strengthened by 19 read => feed constraints.
[2025-06-03 13:48:26] [INFO ] Implicit Places using invariants and state equation in 88 ms returned []
Implicit Place search using SMT with State Equation took 143 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 39/195 places, 60/482 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 475 ms. Remains : 39/195 places, 60/482 transitions.
Stuttering acceptance computed with spot in 50 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-05
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-05 finished in 539 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 U p1)&&X((X(F(p2))&&(p3 U !p4))))))'
Support contains 7 out of 195 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Applied a total of 0 rules in 5 ms. Remains 195 /195 variables (removed 0) and now considering 482/482 (removed 0) transitions.
// Phase 1: matrix 482 rows 195 cols
[2025-06-03 13:48:26] [INFO ] Computed 18 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:48:27] [INFO ] Implicit Places using invariants in 256 ms returned [194]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 259 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 194/195 places, 482/482 transitions.
Applied a total of 0 rules in 6 ms. Remains 194 /194 variables (removed 0) and now considering 482/482 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 270 ms. Remains : 194/195 places, 482/482 transitions.
Stuttering acceptance computed with spot in 440 ms :[(OR (NOT p1) (NOT p2) p4), (OR (NOT p1) (NOT p2) p4), true, (NOT p1), (OR (NOT p2) p4), (NOT p2), p4]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-06
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-06 finished in 746 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 195 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Graph (trivial) has 160 edges and 195 vertex of which 48 / 195 are part of one of the 16 SCC in 1 ms
Free SCC test removed 32 places
Ensure Unique test removed 137 transitions
Reduce isomorphic transitions removed 137 transitions.
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 48
Deduced a syphon composed of 48 places in 2 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 0 with 96 rules applied. Total rules applied 97 place count 115 transition count 297
Drop transitions (Redundant composition of simpler transitions.) removed 120 transitions
Redundant transition composition rules discarded 120 transitions
Iterating global reduction 0 with 120 rules applied. Total rules applied 217 place count 115 transition count 177
Applied a total of 217 rules in 46 ms. Remains 115 /195 variables (removed 80) and now considering 177/482 (removed 305) transitions.
[2025-06-03 13:48:27] [INFO ] Flow matrix only has 146 transitions (discarded 31 similar events)
// Phase 1: matrix 146 rows 115 cols
[2025-06-03 13:48:27] [INFO ] Computed 18 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:48:27] [INFO ] Implicit Places using invariants in 274 ms returned [114]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 276 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 114/195 places, 177/482 transitions.
Graph (trivial) has 159 edges and 114 vertex of which 48 / 114 are part of one of the 16 SCC in 1 ms
Free SCC test removed 32 places
Ensure Unique test removed 64 transitions
Reduce isomorphic transitions removed 64 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 82 transition count 97
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 33 place count 66 transition count 97
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 15 Pre rules applied. Total rules applied 33 place count 66 transition count 82
Deduced a syphon composed of 15 places in 1 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 63 place count 51 transition count 82
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 1 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 95 place count 35 transition count 66
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 2 with 16 rules applied. Total rules applied 111 place count 35 transition count 50
Applied a total of 111 rules in 15 ms. Remains 35 /114 variables (removed 79) and now considering 50/177 (removed 127) transitions.
[2025-06-03 13:48:27] [INFO ] Flow matrix only has 35 transitions (discarded 15 similar events)
// Phase 1: matrix 35 rows 35 cols
[2025-06-03 13:48:27] [INFO ] Computed 17 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:48:28] [INFO ] Implicit Places using invariants in 48 ms returned []
[2025-06-03 13:48:28] [INFO ] Flow matrix only has 35 transitions (discarded 15 similar events)
[2025-06-03 13:48:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:48:28] [INFO ] State equation strengthened by 17 read => feed constraints.
[2025-06-03 13:48:28] [INFO ] Implicit Places using invariants and state equation in 83 ms returned []
Implicit Place search using SMT with State Equation took 134 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 35/195 places, 50/482 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 471 ms. Remains : 35/195 places, 50/482 transitions.
Stuttering acceptance computed with spot in 90 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-07
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-07 finished in 578 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(!(!p0 U (X((F(p1)||p2))||!X(p3))))'
Support contains 8 out of 195 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Applied a total of 0 rules in 8 ms. Remains 195 /195 variables (removed 0) and now considering 482/482 (removed 0) transitions.
// Phase 1: matrix 482 rows 195 cols
[2025-06-03 13:48:28] [INFO ] Computed 18 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:48:28] [INFO ] Implicit Places using invariants in 233 ms returned [194]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 235 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 194/195 places, 482/482 transitions.
Applied a total of 0 rules in 7 ms. Remains 194 /194 variables (removed 0) and now considering 482/482 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 251 ms. Remains : 194/195 places, 482/482 transitions.
Stuttering acceptance computed with spot in 213 ms :[(OR (NOT p3) p2 p1), (OR (NOT p3) p2 p1), true, p1]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-08
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-08 finished in 487 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((G(!p0)||(!p0&&G(F(!p1))))) U G((F(p2) U X(p3)))))'
Support contains 9 out of 195 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Applied a total of 0 rules in 6 ms. Remains 195 /195 variables (removed 0) and now considering 482/482 (removed 0) transitions.
[2025-06-03 13:48:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:48:28] [INFO ] Implicit Places using invariants in 245 ms returned []
[2025-06-03 13:48:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:48:29] [INFO ] State equation strengthened by 321 read => feed constraints.
[2025-06-03 13:48:29] [INFO ] Implicit Places using invariants and state equation in 719 ms returned []
Implicit Place search using SMT with State Equation took 968 ms to find 0 implicit places.
Running 481 sub problems to find dead transitions.
[2025-06-03 13:48:29] [INFO ] Invariant cache hit.
[2025-06-03 13:48:29] [INFO ] State equation strengthened by 321 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/194 variables, 194/194 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/194 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/195 variables, 18/212 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/195 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/195 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/677 variables, 195/408 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/677 variables, 321/729 constraints. Problems are: Problem set: 0 solved, 481 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 677/677 variables, and 729 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30027 ms.
Refiners :[Domain max(s): 195/195 constraints, Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 195/195 constraints, ReadFeed: 321/321 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) 0/194 variables, 194/194 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/194 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/195 variables, 18/212 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/195 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/195 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/677 variables, 195/408 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/677 variables, 321/729 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/677 variables, 481/1210 constraints. Problems are: Problem set: 0 solved, 481 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 677/677 variables, and 1210 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30029 ms.
Refiners :[Domain max(s): 195/195 constraints, Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 195/195 constraints, ReadFeed: 321/321 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60310ms problems are : Problem set: 0 solved, 481 unsolved
Search for dead transitions found 0 dead transitions in 60313ms
Finished structural reductions in LTL mode , in 1 iterations and 61290 ms. Remains : 195/195 places, 482/482 transitions.
Stuttering acceptance computed with spot in 1349 ms :[(NOT p3), (AND (NOT p2) (NOT p3)), (AND p0 (NOT p3)), (NOT p3), (AND p0 (NOT p3)), (NOT p2), (AND p0 p1 (NOT p2)), false, (AND (NOT p2) (NOT p3) p0 p1), (AND p0 p1 (NOT p3)), (AND (NOT p2) (NOT p3) (NOT p0)), (NOT p3), false, (AND p0 p1 (NOT p3)), (AND (NOT p2) p1), (AND (NOT p2) p1), (AND (NOT p2) (NOT p3) p1 p0), (AND (NOT p2) (NOT p0) (NOT p3)), (AND (NOT p2) p1 (NOT p3)), (AND p1 (NOT p3)), (AND (NOT p2) p1 (NOT p3)), (AND p1 (NOT p3)), (AND p1 (NOT p3)), (AND (NOT p2) (NOT p3) p1)]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-09
Product exploration explored 100000 steps with 15143 reset in 1062 ms.
Stack based approach found an accepted trace after 295 steps with 46 reset with depth 19 and stack size 19 in 4 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-09 finished in 63771 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((G(F(!p0))||(F(!p0)&&X(X((p1||(G(p3)&&p2)))))))))'
Support contains 7 out of 195 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Applied a total of 0 rules in 3 ms. Remains 195 /195 variables (removed 0) and now considering 482/482 (removed 0) transitions.
[2025-06-03 13:49:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:49:32] [INFO ] Implicit Places using invariants in 215 ms returned []
[2025-06-03 13:49:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:49:32] [INFO ] State equation strengthened by 321 read => feed constraints.
[2025-06-03 13:49:33] [INFO ] Implicit Places using invariants and state equation in 559 ms returned []
Implicit Place search using SMT with State Equation took 777 ms to find 0 implicit places.
Running 481 sub problems to find dead transitions.
[2025-06-03 13:49:33] [INFO ] Invariant cache hit.
[2025-06-03 13:49:33] [INFO ] State equation strengthened by 321 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/194 variables, 194/194 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/194 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/195 variables, 18/212 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/195 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/195 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/677 variables, 195/408 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/677 variables, 321/729 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 677/677 variables, and 729 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30025 ms.
Refiners :[Domain max(s): 195/195 constraints, Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 195/195 constraints, ReadFeed: 321/321 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) 0/194 variables, 194/194 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/194 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/195 variables, 18/212 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/195 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/195 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/677 variables, 195/408 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/677 variables, 321/729 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/677 variables, 481/1210 constraints. Problems are: Problem set: 0 solved, 481 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 677/677 variables, and 1210 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30021 ms.
Refiners :[Domain max(s): 195/195 constraints, Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 195/195 constraints, ReadFeed: 321/321 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60210ms problems are : Problem set: 0 solved, 481 unsolved
Search for dead transitions found 0 dead transitions in 60212ms
Finished structural reductions in LTL mode , in 1 iterations and 60997 ms. Remains : 195/195 places, 482/482 transitions.
Stuttering acceptance computed with spot in 495 ms :[p0, p0, (OR (AND p0 (NOT p1) (NOT p2)) (AND p0 (NOT p1) (NOT p3))), p0, (OR (AND p0 (NOT p1) (NOT p2)) (AND p0 (NOT p1) (NOT p3))), (OR (AND p0 (NOT p1) (NOT p2)) (AND p0 (NOT p1) (NOT p3))), (AND p0 (NOT p1) (NOT p3)), (AND p0 (NOT p1) (NOT p3)), (AND p0 (NOT p3))]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-10
Product exploration explored 100000 steps with 5081 reset in 1245 ms.
Stack based approach found an accepted trace after 11882 steps with 602 reset with depth 30 and stack size 30 in 138 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-10 finished in 62920 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(X(!(!F(!p0)||!p1))) U p2))'
Support contains 7 out of 195 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Graph (trivial) has 149 edges and 195 vertex of which 36 / 195 are part of one of the 12 SCC in 0 ms
Free SCC test removed 24 places
Ensure Unique test removed 79 transitions
Reduce isomorphic transitions removed 79 transitions.
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 48
Deduced a syphon composed of 48 places in 0 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 0 with 96 rules applied. Total rules applied 97 place count 123 transition count 355
Drop transitions (Redundant composition of simpler transitions.) removed 158 transitions
Redundant transition composition rules discarded 158 transitions
Iterating global reduction 0 with 158 rules applied. Total rules applied 255 place count 123 transition count 197
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 257 place count 123 transition count 197
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 259 place count 121 transition count 195
Iterating global reduction 0 with 2 rules applied. Total rules applied 261 place count 121 transition count 195
Applied a total of 261 rules in 31 ms. Remains 121 /195 variables (removed 74) and now considering 195/482 (removed 287) transitions.
[2025-06-03 13:50:35] [INFO ] Flow matrix only has 168 transitions (discarded 27 similar events)
// Phase 1: matrix 168 rows 121 cols
[2025-06-03 13:50:35] [INFO ] Computed 18 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:50:35] [INFO ] Implicit Places using invariants in 91 ms returned []
[2025-06-03 13:50:35] [INFO ] Flow matrix only has 168 transitions (discarded 27 similar events)
[2025-06-03 13:50:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:50:35] [INFO ] State equation strengthened by 125 read => feed constraints.
[2025-06-03 13:50:35] [INFO ] Implicit Places using invariants and state equation in 242 ms returned []
Implicit Place search using SMT with State Equation took 336 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 13:50:35] [INFO ] Redundant transitions in 36 ms returned [85, 86, 87, 88, 89, 90]
Found 6 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 6 transitions
Redundant transitions reduction (with SMT) removed 6 transitions.
Running 188 sub problems to find dead transitions.
[2025-06-03 13:50:35] [INFO ] Flow matrix only has 162 transitions (discarded 27 similar events)
// Phase 1: matrix 162 rows 121 cols
[2025-06-03 13:50:35] [INFO ] Computed 18 invariants in 1 ms
[2025-06-03 13:50:35] [INFO ] State equation strengthened by 119 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 1 (OVERLAPS) 1/121 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/121 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 3 (OVERLAPS) 161/282 variables, 121/139 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/282 variables, 118/257 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/282 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 6 (OVERLAPS) 1/283 variables, 1/258 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/283 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 8 (OVERLAPS) 0/283 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 188 unsolved
No progress, stopping.
After SMT solving in domain Real declared 283/283 variables, and 258 constraints, problems are : Problem set: 0 solved, 188 unsolved in 15645 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 121/121 constraints, ReadFeed: 119/119 constraints, PredecessorRefiner: 188/188 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 188 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 1 (OVERLAPS) 1/121 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/121 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 3 (OVERLAPS) 161/282 variables, 121/139 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/282 variables, 118/257 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/282 variables, 188/445 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/282 variables, 0/445 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 7 (OVERLAPS) 1/283 variables, 1/446 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/283 variables, 0/446 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 9 (OVERLAPS) 0/283 variables, 0/446 constraints. Problems are: Problem set: 0 solved, 188 unsolved
No progress, stopping.
After SMT solving in domain Int declared 283/283 variables, and 446 constraints, problems are : Problem set: 0 solved, 188 unsolved in 17392 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 121/121 constraints, ReadFeed: 119/119 constraints, PredecessorRefiner: 188/188 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 33060ms problems are : Problem set: 0 solved, 188 unsolved
Search for dead transitions found 0 dead transitions in 33062ms
Starting structural reductions in SI_LTL mode, iteration 1 : 121/195 places, 189/482 transitions.
Applied a total of 0 rules in 6 ms. Remains 121 /121 variables (removed 0) and now considering 189/189 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 33481 ms. Remains : 121/195 places, 189/482 transitions.
Stuttering acceptance computed with spot in 169 ms :[p0, (NOT p2), (OR (NOT p1) p0), (OR (NOT p1) (NOT p2) p0)]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-11
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-11 finished in 33669 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||X(F(p1))))'
Support contains 2 out of 195 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Applied a total of 0 rules in 1 ms. Remains 195 /195 variables (removed 0) and now considering 482/482 (removed 0) transitions.
// Phase 1: matrix 482 rows 195 cols
[2025-06-03 13:51:09] [INFO ] Computed 18 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:51:09] [INFO ] Implicit Places using invariants in 388 ms returned [193]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 390 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 194/195 places, 482/482 transitions.
Applied a total of 0 rules in 2 ms. Remains 194 /194 variables (removed 0) and now considering 482/482 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 394 ms. Remains : 194/195 places, 482/482 transitions.
Stuttering acceptance computed with spot in 128 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-12
Product exploration explored 100000 steps with 50000 reset in 1004 ms.
Product exploration explored 100000 steps with 50000 reset in 1014 ms.
Computed a total of 2 stabilizing places and 1 stable transitions
Computed a total of 2 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p1 (NOT p0)), (X (NOT (AND (NOT p0) (NOT p1)))), (X p1), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p1)), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 9 factoid took 15 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA FlexibleBarrier-PT-16a-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-12 finished in 2574 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((F(p0)&&G(F(p1))))))'
Support contains 4 out of 195 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Applied a total of 0 rules in 2 ms. Remains 195 /195 variables (removed 0) and now considering 482/482 (removed 0) transitions.
[2025-06-03 13:51:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:51:11] [INFO ] Implicit Places using invariants in 204 ms returned [194]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 205 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 194/195 places, 482/482 transitions.
Applied a total of 0 rules in 2 ms. Remains 194 /194 variables (removed 0) and now considering 482/482 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 209 ms. Remains : 194/195 places, 482/482 transitions.
Stuttering acceptance computed with spot in 223 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-14
Product exploration explored 100000 steps with 2817 reset in 674 ms.
Stack based approach found an accepted trace after 104 steps with 6 reset with depth 6 and stack size 6 in 1 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-14 finished in 1125 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 4 out of 195 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Graph (trivial) has 153 edges and 195 vertex of which 42 / 195 are part of one of the 14 SCC in 0 ms
Free SCC test removed 28 places
Ensure Unique test removed 106 transitions
Reduce isomorphic transitions removed 106 transitions.
Performed 47 Post agglomeration using F-continuation condition.Transition count delta: 47
Deduced a syphon composed of 47 places in 0 ms
Reduce places removed 47 places and 0 transitions.
Iterating global reduction 0 with 94 rules applied. Total rules applied 95 place count 120 transition count 329
Drop transitions (Redundant composition of simpler transitions.) removed 145 transitions
Redundant transition composition rules discarded 145 transitions
Iterating global reduction 0 with 145 rules applied. Total rules applied 240 place count 120 transition count 184
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 241 place count 120 transition count 184
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 242 place count 119 transition count 183
Iterating global reduction 0 with 1 rules applied. Total rules applied 243 place count 119 transition count 183
Applied a total of 243 rules in 23 ms. Remains 119 /195 variables (removed 76) and now considering 183/482 (removed 299) transitions.
[2025-06-03 13:51:12] [INFO ] Flow matrix only has 154 transitions (discarded 29 similar events)
// Phase 1: matrix 154 rows 119 cols
[2025-06-03 13:51:12] [INFO ] Computed 18 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:51:12] [INFO ] Implicit Places using invariants in 157 ms returned [118]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 158 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 118/195 places, 183/482 transitions.
Graph (trivial) has 156 edges and 118 vertex of which 39 / 118 are part of one of the 13 SCC in 0 ms
Free SCC test removed 26 places
Ensure Unique test removed 52 transitions
Reduce isomorphic transitions removed 52 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 92 transition count 115
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 33 place count 76 transition count 115
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 33 place count 76 transition count 99
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 65 place count 60 transition count 99
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: 18
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 2 with 36 rules applied. Total rules applied 101 place count 42 transition count 81
Drop transitions (Redundant composition of simpler transitions.) removed 15 transitions
Redundant transition composition rules discarded 15 transitions
Iterating global reduction 2 with 15 rules applied. Total rules applied 116 place count 42 transition count 66
Applied a total of 116 rules in 6 ms. Remains 42 /118 variables (removed 76) and now considering 66/183 (removed 117) transitions.
[2025-06-03 13:51:12] [INFO ] Flow matrix only has 47 transitions (discarded 19 similar events)
// Phase 1: matrix 47 rows 42 cols
[2025-06-03 13:51:12] [INFO ] Computed 17 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:51:12] [INFO ] Implicit Places using invariants in 39 ms returned []
[2025-06-03 13:51:12] [INFO ] Flow matrix only has 47 transitions (discarded 19 similar events)
[2025-06-03 13:51:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:51:13] [INFO ] State equation strengthened by 19 read => feed constraints.
[2025-06-03 13:51:13] [INFO ] Implicit Places using invariants and state equation in 66 ms returned []
Implicit Place search using SMT with State Equation took 107 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 42/195 places, 66/482 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 294 ms. Remains : 42/195 places, 66/482 transitions.
Stuttering acceptance computed with spot in 141 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-15
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-15 finished in 449 ms.
All properties solved by simple procedures.
Total runtime 300694 ms.
BK_STOP 1748958673252
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FlexibleBarrier-PT-16a"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is FlexibleBarrier-PT-16a, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r086-smll-174860102600500"
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 [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;