About the Execution of ITS-Tools for FlexibleBarrier-PT-20a
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 142309.00 | 0.00 | 0.00 | TFFFFFFTTFFFFTFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r086-smll-174860102700532.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-20a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r086-smll-174860102700532
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 760K
-rw-r--r-- 1 mcc users 7.8K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 86K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K 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 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K 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 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.6K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 72K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 90K 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 321K 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-20a-LTLFireability-00
FORMULA_NAME FlexibleBarrier-PT-20a-LTLFireability-01
FORMULA_NAME FlexibleBarrier-PT-20a-LTLFireability-02
FORMULA_NAME FlexibleBarrier-PT-20a-LTLFireability-03
FORMULA_NAME FlexibleBarrier-PT-20a-LTLFireability-04
FORMULA_NAME FlexibleBarrier-PT-20a-LTLFireability-05
FORMULA_NAME FlexibleBarrier-PT-20a-LTLFireability-06
FORMULA_NAME FlexibleBarrier-PT-20a-LTLFireability-07
FORMULA_NAME FlexibleBarrier-PT-20a-LTLFireability-08
FORMULA_NAME FlexibleBarrier-PT-20a-LTLFireability-09
FORMULA_NAME FlexibleBarrier-PT-20a-LTLFireability-10
FORMULA_NAME FlexibleBarrier-PT-20a-LTLFireability-11
FORMULA_NAME FlexibleBarrier-PT-20a-LTLFireability-12
FORMULA_NAME FlexibleBarrier-PT-20a-LTLFireability-13
FORMULA_NAME FlexibleBarrier-PT-20a-LTLFireability-14
FORMULA_NAME FlexibleBarrier-PT-20a-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1748978595149
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-20a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-03 19:23:17] [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 19:23:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 19:23:17] [INFO ] Load time of PNML (sax parser for PT used): 286 ms
[2025-06-03 19:23:18] [INFO ] Transformed 243 places.
[2025-06-03 19:23:18] [INFO ] Transformed 1064 transitions.
[2025-06-03 19:23:18] [INFO ] Found NUPN structural information;
[2025-06-03 19:23:18] [INFO ] Parsed PT model containing 243 places and 1064 transitions and 5317 arcs in 541 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 23 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 6 formulas.
Ensure Unique test removed 362 transitions
Reduce redundant transitions removed 362 transitions.
FORMULA FlexibleBarrier-PT-20a-LTLFireability-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-20a-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-20a-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-20a-LTLFireability-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-20a-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-20a-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 28 out of 243 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 243/243 places, 702/702 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 243 transition count 682
Applied a total of 20 rules in 112 ms. Remains 243 /243 variables (removed 0) and now considering 682/702 (removed 20) transitions.
// Phase 1: matrix 682 rows 243 cols
[2025-06-03 19:23:18] [INFO ] Computed 22 invariants in 31 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 19:23:19] [INFO ] Implicit Places using invariants in 869 ms returned []
[2025-06-03 19:23:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 19:23:20] [INFO ] State equation strengthened by 481 read => feed constraints.
[2025-06-03 19:23:20] [INFO ] Implicit Places using invariants and state equation in 1448 ms returned []
Implicit Place search using SMT with State Equation took 2388 ms to find 0 implicit places.
Running 681 sub problems to find dead transitions.
[2025-06-03 19:23:20] [INFO ] Invariant cache hit.
[2025-06-03 19:23:21] [INFO ] State equation strengthened by 481 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/242 variables, 242/242 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/242 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 2 (OVERLAPS) 1/243 variables, 22/264 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 681 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 243/925 variables, and 265 constraints, problems are : Problem set: 0 solved, 681 unsolved in 30070 ms.
Refiners :[Domain max(s): 243/243 constraints, Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 0/243 constraints, ReadFeed: 0/481 constraints, PredecessorRefiner: 681/681 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 681 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/242 variables, 242/242 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/242 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 2 (OVERLAPS) 1/243 variables, 22/264 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 5 (OVERLAPS) 682/925 variables, 243/508 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/925 variables, 481/989 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/925 variables, 681/1670 constraints. Problems are: Problem set: 0 solved, 681 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 925/925 variables, and 1670 constraints, problems are : Problem set: 0 solved, 681 unsolved in 30032 ms.
Refiners :[Domain max(s): 243/243 constraints, Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 243/243 constraints, ReadFeed: 481/481 constraints, PredecessorRefiner: 681/681 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61398ms problems are : Problem set: 0 solved, 681 unsolved
Search for dead transitions found 0 dead transitions in 61441ms
Starting structural reductions in LTL mode, iteration 1 : 243/243 places, 682/702 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 63990 ms. Remains : 243/243 places, 682/702 transitions.
Support contains 28 out of 243 places after structural reductions.
[2025-06-03 19:24:22] [INFO ] Flatten gal took : 103 ms
[2025-06-03 19:24:22] [INFO ] Flatten gal took : 59 ms
[2025-06-03 19:24:22] [INFO ] Input system was already deterministic with 682 transitions.
Reduction of identical properties reduced properties to check from 24 to 22
RANDOM walk for 4861 steps (0 resets) in 545 ms. (8 steps per ms) remains 0/22 properties
Computed a total of 3 stabilizing places and 1 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((G(p1)||G(p2)||p0))))'
Support contains 4 out of 243 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 243/243 places, 682/682 transitions.
Graph (trivial) has 192 edges and 243 vertex of which 51 / 243 are part of one of the 17 SCC in 2 ms
Free SCC test removed 34 places
Ensure Unique test removed 154 transitions
Reduce isomorphic transitions removed 154 transitions.
Performed 59 Post agglomeration using F-continuation condition.Transition count delta: 59
Deduced a syphon composed of 59 places in 1 ms
Reduce places removed 59 places and 0 transitions.
Iterating global reduction 0 with 118 rules applied. Total rules applied 119 place count 150 transition count 469
Drop transitions (Redundant composition of simpler transitions.) removed 235 transitions
Redundant transition composition rules discarded 235 transitions
Iterating global reduction 0 with 235 rules applied. Total rules applied 354 place count 150 transition count 234
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 356 place count 150 transition count 234
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 358 place count 148 transition count 232
Iterating global reduction 0 with 2 rules applied. Total rules applied 360 place count 148 transition count 232
Applied a total of 360 rules in 142 ms. Remains 148 /243 variables (removed 95) and now considering 232/682 (removed 450) transitions.
[2025-06-03 19:24:23] [INFO ] Flow matrix only has 196 transitions (discarded 36 similar events)
// Phase 1: matrix 196 rows 148 cols
[2025-06-03 19:24:23] [INFO ] Computed 22 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 19:24:24] [INFO ] Implicit Places using invariants in 301 ms returned [147]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 305 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 147/243 places, 232/682 transitions.
Graph (trivial) has 198 edges and 147 vertex of which 51 / 147 are part of one of the 17 SCC in 1 ms
Free SCC test removed 34 places
Ensure Unique test removed 68 transitions
Reduce isomorphic transitions removed 68 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 113 transition count 144
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 1 with 20 rules applied. Total rules applied 41 place count 93 transition count 144
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 20 Pre rules applied. Total rules applied 41 place count 93 transition count 124
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 81 place count 73 transition count 124
Performed 23 Post agglomeration using F-continuation condition.Transition count delta: 23
Deduced a syphon composed of 23 places in 0 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 2 with 46 rules applied. Total rules applied 127 place count 50 transition count 101
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 2 with 20 rules applied. Total rules applied 147 place count 50 transition count 81
Applied a total of 147 rules in 39 ms. Remains 50 /147 variables (removed 97) and now considering 81/232 (removed 151) transitions.
[2025-06-03 19:24:24] [INFO ] Flow matrix only has 59 transitions (discarded 22 similar events)
// Phase 1: matrix 59 rows 50 cols
[2025-06-03 19:24:24] [INFO ] Computed 21 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 19:24:24] [INFO ] Implicit Places using invariants in 58 ms returned []
[2025-06-03 19:24:24] [INFO ] Flow matrix only has 59 transitions (discarded 22 similar events)
[2025-06-03 19:24:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 19:24:24] [INFO ] State equation strengthened by 27 read => feed constraints.
[2025-06-03 19:24:24] [INFO ] Implicit Places using invariants and state equation in 84 ms returned []
Implicit Place search using SMT with State Equation took 147 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 50/243 places, 81/682 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 633 ms. Remains : 50/243 places, 81/682 transitions.
Stuttering acceptance computed with spot in 252 ms :[(AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2))]
Running random walk in product with property : FlexibleBarrier-PT-20a-LTLFireability-01
Stuttering criterion allowed to conclude after 145 steps with 2 reset in 4 ms.
FORMULA FlexibleBarrier-PT-20a-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-20a-LTLFireability-01 finished in 968 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 p1)&&X(((!p2&&G(p3)) U (p2 U !p0)))))'
Support contains 7 out of 243 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 243/243 places, 682/682 transitions.
Applied a total of 0 rules in 9 ms. Remains 243 /243 variables (removed 0) and now considering 682/682 (removed 0) transitions.
// Phase 1: matrix 682 rows 243 cols
[2025-06-03 19:24:24] [INFO ] Computed 22 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 19:24:24] [INFO ] Implicit Places using invariants in 196 ms returned []
[2025-06-03 19:24:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 19:24:25] [INFO ] State equation strengthened by 481 read => feed constraints.
[2025-06-03 19:24:25] [INFO ] Implicit Places using invariants and state equation in 1046 ms returned []
Implicit Place search using SMT with State Equation took 1246 ms to find 0 implicit places.
Running 681 sub problems to find dead transitions.
[2025-06-03 19:24:25] [INFO ] Invariant cache hit.
[2025-06-03 19:24:25] [INFO ] State equation strengthened by 481 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/242 variables, 242/242 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/242 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 2 (OVERLAPS) 1/243 variables, 22/264 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 681 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 243/925 variables, and 265 constraints, problems are : Problem set: 0 solved, 681 unsolved in 30040 ms.
Refiners :[Domain max(s): 243/243 constraints, Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 0/243 constraints, ReadFeed: 0/481 constraints, PredecessorRefiner: 681/681 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 681 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/242 variables, 242/242 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/242 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 2 (OVERLAPS) 1/243 variables, 22/264 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 5 (OVERLAPS) 682/925 variables, 243/508 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/925 variables, 481/989 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/925 variables, 681/1670 constraints. Problems are: Problem set: 0 solved, 681 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 925/925 variables, and 1670 constraints, problems are : Problem set: 0 solved, 681 unsolved in 30034 ms.
Refiners :[Domain max(s): 243/243 constraints, Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 243/243 constraints, ReadFeed: 481/481 constraints, PredecessorRefiner: 681/681 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60640ms problems are : Problem set: 0 solved, 681 unsolved
Search for dead transitions found 0 dead transitions in 60645ms
Finished structural reductions in LTL mode , in 1 iterations and 61906 ms. Remains : 243/243 places, 682/682 transitions.
Stuttering acceptance computed with spot in 370 ms :[(OR (NOT p1) p0), true, (NOT p1), p0, (NOT p3), p0]
Running random walk in product with property : FlexibleBarrier-PT-20a-LTLFireability-02
Entered a terminal (fully accepting) state of product in 23 steps with 3 reset in 2 ms.
FORMULA FlexibleBarrier-PT-20a-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-20a-LTLFireability-02 finished in 62305 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 6 out of 243 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 243/243 places, 682/682 transitions.
Graph (trivial) has 188 edges and 243 vertex of which 45 / 243 are part of one of the 15 SCC in 1 ms
Free SCC test removed 30 places
Ensure Unique test removed 121 transitions
Reduce isomorphic transitions removed 121 transitions.
Performed 61 Post agglomeration using F-continuation condition.Transition count delta: 61
Deduced a syphon composed of 61 places in 2 ms
Reduce places removed 61 places and 0 transitions.
Iterating global reduction 0 with 122 rules applied. Total rules applied 123 place count 152 transition count 500
Drop transitions (Redundant composition of simpler transitions.) removed 250 transitions
Redundant transition composition rules discarded 250 transitions
Iterating global reduction 0 with 250 rules applied. Total rules applied 373 place count 152 transition count 250
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 375 place count 152 transition count 250
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 377 place count 150 transition count 248
Iterating global reduction 0 with 2 rules applied. Total rules applied 379 place count 150 transition count 248
Applied a total of 379 rules in 93 ms. Remains 150 /243 variables (removed 93) and now considering 248/682 (removed 434) transitions.
[2025-06-03 19:25:26] [INFO ] Flow matrix only has 214 transitions (discarded 34 similar events)
// Phase 1: matrix 214 rows 150 cols
[2025-06-03 19:25:26] [INFO ] Computed 22 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 19:25:27] [INFO ] Implicit Places using invariants in 369 ms returned [149]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 372 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 149/243 places, 248/682 transitions.
Graph (trivial) has 194 edges and 149 vertex of which 45 / 149 are part of one of the 15 SCC in 1 ms
Free SCC test removed 30 places
Ensure Unique test removed 60 transitions
Reduce isomorphic transitions removed 60 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 119 transition count 168
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 1 with 20 rules applied. Total rules applied 41 place count 99 transition count 168
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 20 Pre rules applied. Total rules applied 41 place count 99 transition count 148
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 81 place count 79 transition count 148
Performed 25 Post agglomeration using F-continuation condition.Transition count delta: 25
Deduced a syphon composed of 25 places in 0 ms
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 131 place count 54 transition count 123
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 2 with 20 rules applied. Total rules applied 151 place count 54 transition count 103
Applied a total of 151 rules in 26 ms. Remains 54 /149 variables (removed 95) and now considering 103/248 (removed 145) transitions.
[2025-06-03 19:25:27] [INFO ] Flow matrix only has 79 transitions (discarded 24 similar events)
// Phase 1: matrix 79 rows 54 cols
[2025-06-03 19:25:27] [INFO ] Computed 21 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 19:25:27] [INFO ] Implicit Places using invariants in 61 ms returned []
[2025-06-03 19:25:27] [INFO ] Flow matrix only has 79 transitions (discarded 24 similar events)
[2025-06-03 19:25:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 19:25:27] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-06-03 19:25:27] [INFO ] Implicit Places using invariants and state equation in 133 ms returned []
Implicit Place search using SMT with State Equation took 198 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 54/243 places, 103/682 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 689 ms. Remains : 54/243 places, 103/682 transitions.
Stuttering acceptance computed with spot in 106 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-20a-LTLFireability-04
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-20a-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-20a-LTLFireability-04 finished in 818 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(G(p0)))&&((X(!p2) U ((!p3&&X(!p2))||X(G(!p2))))||p1))))'
Support contains 6 out of 243 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 243/243 places, 682/682 transitions.
Applied a total of 0 rules in 5 ms. Remains 243 /243 variables (removed 0) and now considering 682/682 (removed 0) transitions.
// Phase 1: matrix 682 rows 243 cols
[2025-06-03 19:25:27] [INFO ] Computed 22 invariants in 10 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 19:25:28] [INFO ] Implicit Places using invariants in 338 ms returned [242]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 340 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 242/243 places, 682/682 transitions.
Applied a total of 0 rules in 5 ms. Remains 242 /242 variables (removed 0) and now considering 682/682 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 352 ms. Remains : 242/243 places, 682/682 transitions.
Stuttering acceptance computed with spot in 389 ms :[(OR (NOT p0) (AND (NOT p1) p2)), (OR (NOT p0) (AND (NOT p1) p2)), (NOT p0), p2, p2, (NOT p0), true]
Running random walk in product with property : FlexibleBarrier-PT-20a-LTLFireability-05
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-20a-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-20a-LTLFireability-05 finished in 779 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 1 out of 243 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 243/243 places, 682/682 transitions.
Graph (trivial) has 197 edges and 243 vertex of which 57 / 243 are part of one of the 19 SCC in 1 ms
Free SCC test removed 38 places
Ensure Unique test removed 191 transitions
Reduce isomorphic transitions removed 191 transitions.
Performed 59 Post agglomeration using F-continuation condition.Transition count delta: 59
Deduced a syphon composed of 59 places in 1 ms
Reduce places removed 59 places and 0 transitions.
Iterating global reduction 0 with 118 rules applied. Total rules applied 119 place count 146 transition count 432
Drop transitions (Redundant composition of simpler transitions.) removed 208 transitions
Redundant transition composition rules discarded 208 transitions
Iterating global reduction 0 with 208 rules applied. Total rules applied 327 place count 146 transition count 224
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 328 place count 146 transition count 223
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 329 place count 145 transition count 223
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 330 place count 145 transition count 223
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 331 place count 144 transition count 222
Iterating global reduction 2 with 1 rules applied. Total rules applied 332 place count 144 transition count 222
Applied a total of 332 rules in 57 ms. Remains 144 /243 variables (removed 99) and now considering 222/682 (removed 460) transitions.
[2025-06-03 19:25:28] [INFO ] Flow matrix only has 184 transitions (discarded 38 similar events)
// Phase 1: matrix 184 rows 144 cols
[2025-06-03 19:25:28] [INFO ] Computed 22 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 19:25:28] [INFO ] Implicit Places using invariants in 278 ms returned [142, 143]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 282 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 142/243 places, 222/682 transitions.
Graph (trivial) has 218 edges and 142 vertex of which 136 / 142 are part of one of the 20 SCC in 1 ms
Free SCC test removed 116 places
Ensure Unique test removed 192 transitions
Reduce isomorphic transitions removed 192 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 0 with 1 rules applied. Total rules applied 2 place count 26 transition count 29
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 25 transition count 29
Discarding 19 places :
Symmetric choice reduction at 2 with 19 rule applications. Total rules 22 place count 6 transition count 9
Iterating global reduction 2 with 19 rules applied. Total rules applied 41 place count 6 transition count 9
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 2 rules applied. Total rules applied 43 place count 6 transition count 7
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 44 place count 5 transition count 7
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 45 place count 5 transition count 6
Applied a total of 45 rules in 8 ms. Remains 5 /142 variables (removed 137) and now considering 6/222 (removed 216) transitions.
[2025-06-03 19:25:28] [INFO ] Flow matrix only has 5 transitions (discarded 1 similar events)
// Phase 1: matrix 5 rows 5 cols
[2025-06-03 19:25:28] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 19:25:28] [INFO ] Implicit Places using invariants in 24 ms returned []
[2025-06-03 19:25:28] [INFO ] Flow matrix only has 5 transitions (discarded 1 similar events)
[2025-06-03 19:25:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 19:25:28] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 19:25:28] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 5/243 places, 6/682 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 403 ms. Remains : 5/243 places, 6/682 transitions.
Stuttering acceptance computed with spot in 50 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-20a-LTLFireability-08
Product exploration explored 100000 steps with 50000 reset in 450 ms.
Product exploration explored 100000 steps with 50000 reset in 205 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 : [(NOT p0), (X p0), (X (X (NOT p0)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 17 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA FlexibleBarrier-PT-20a-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FlexibleBarrier-PT-20a-LTLFireability-08 finished in 1153 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)&&(F(p1) U X(p2))))))'
Support contains 7 out of 243 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 243/243 places, 682/682 transitions.
Applied a total of 0 rules in 4 ms. Remains 243 /243 variables (removed 0) and now considering 682/682 (removed 0) transitions.
// Phase 1: matrix 682 rows 243 cols
[2025-06-03 19:25:29] [INFO ] Computed 22 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 19:25:29] [INFO ] Implicit Places using invariants in 314 ms returned [242]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 322 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 242/243 places, 682/682 transitions.
Applied a total of 0 rules in 4 ms. Remains 242 /242 variables (removed 0) and now considering 682/682 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 332 ms. Remains : 242/243 places, 682/682 transitions.
Stuttering acceptance computed with spot in 399 ms :[(OR (NOT p0) (NOT p2)), (OR (NOT p0) (NOT p2)), (OR (NOT p2) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-20a-LTLFireability-10
Product exploration explored 100000 steps with 2320 reset in 1434 ms.
Stack based approach found an accepted trace after 151 steps with 7 reset with depth 53 and stack size 53 in 3 ms.
FORMULA FlexibleBarrier-PT-20a-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-20a-LTLFireability-10 finished in 2201 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)))) U (F(p1) U p2)))'
Support contains 7 out of 243 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 243/243 places, 682/682 transitions.
Applied a total of 0 rules in 2 ms. Remains 243 /243 variables (removed 0) and now considering 682/682 (removed 0) transitions.
[2025-06-03 19:25:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 19:25:32] [INFO ] Implicit Places using invariants in 239 ms returned [242]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 241 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 242/243 places, 682/682 transitions.
Applied a total of 0 rules in 3 ms. Remains 242 /242 variables (removed 0) and now considering 682/682 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 247 ms. Remains : 242/243 places, 682/682 transitions.
Stuttering acceptance computed with spot in 196 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p2), (OR (NOT p2) (AND (NOT p0) (NOT p1)))]
Running random walk in product with property : FlexibleBarrier-PT-20a-LTLFireability-11
Product exploration explored 100000 steps with 1415 reset in 1596 ms.
Stack based approach found an accepted trace after 67 steps with 0 reset with depth 68 and stack size 68 in 1 ms.
FORMULA FlexibleBarrier-PT-20a-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-20a-LTLFireability-11 finished in 2078 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((G(p1)||p0))))'
Support contains 5 out of 243 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 243/243 places, 682/682 transitions.
Graph (trivial) has 191 edges and 243 vertex of which 51 / 243 are part of one of the 17 SCC in 1 ms
Free SCC test removed 34 places
Ensure Unique test removed 154 transitions
Reduce isomorphic transitions removed 154 transitions.
Performed 59 Post agglomeration using F-continuation condition.Transition count delta: 59
Deduced a syphon composed of 59 places in 0 ms
Reduce places removed 59 places and 0 transitions.
Iterating global reduction 0 with 118 rules applied. Total rules applied 119 place count 150 transition count 469
Drop transitions (Redundant composition of simpler transitions.) removed 219 transitions
Redundant transition composition rules discarded 219 transitions
Iterating global reduction 0 with 219 rules applied. Total rules applied 338 place count 150 transition count 250
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 340 place count 150 transition count 250
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 342 place count 148 transition count 248
Iterating global reduction 0 with 2 rules applied. Total rules applied 344 place count 148 transition count 248
Applied a total of 344 rules in 37 ms. Remains 148 /243 variables (removed 95) and now considering 248/682 (removed 434) transitions.
[2025-06-03 19:25:33] [INFO ] Flow matrix only has 197 transitions (discarded 51 similar events)
// Phase 1: matrix 197 rows 148 cols
[2025-06-03 19:25:33] [INFO ] Computed 22 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 19:25:34] [INFO ] Implicit Places using invariants in 327 ms returned [147]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 329 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 147/243 places, 248/682 transitions.
Graph (trivial) has 196 edges and 147 vertex of which 51 / 147 are part of one of the 17 SCC in 1 ms
Free SCC test removed 34 places
Ensure Unique test removed 68 transitions
Reduce isomorphic transitions removed 68 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 113 transition count 160
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 1 with 20 rules applied. Total rules applied 41 place count 93 transition count 160
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 20 Pre rules applied. Total rules applied 41 place count 93 transition count 140
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 81 place count 73 transition count 140
Performed 23 Post agglomeration using F-continuation condition.Transition count delta: 23
Deduced a syphon composed of 23 places in 0 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 2 with 46 rules applied. Total rules applied 127 place count 50 transition count 117
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 2 with 20 rules applied. Total rules applied 147 place count 50 transition count 97
Applied a total of 147 rules in 13 ms. Remains 50 /147 variables (removed 97) and now considering 97/248 (removed 151) transitions.
[2025-06-03 19:25:34] [INFO ] Flow matrix only has 60 transitions (discarded 37 similar events)
// Phase 1: matrix 60 rows 50 cols
[2025-06-03 19:25:34] [INFO ] Computed 21 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 19:25:34] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-06-03 19:25:34] [INFO ] Flow matrix only has 60 transitions (discarded 37 similar events)
[2025-06-03 19:25:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 19:25:34] [INFO ] State equation strengthened by 28 read => feed constraints.
[2025-06-03 19:25:34] [INFO ] Implicit Places using invariants and state equation in 75 ms returned []
Implicit Place search using SMT with State Equation took 119 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 50/243 places, 97/682 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 498 ms. Remains : 50/243 places, 97/682 transitions.
Stuttering acceptance computed with spot in 83 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : FlexibleBarrier-PT-20a-LTLFireability-13
Product exploration explored 100000 steps with 0 reset in 450 ms.
Product exploration explored 100000 steps with 0 reset in 578 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 p0), (X (NOT (AND p1 (NOT p0)))), (X (NOT (AND (NOT p1) (NOT p0)))), (X p0), (X p1), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
False Knowledge obtained : [(X (X (AND p1 (NOT p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 6 factoid took 244 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 83 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (8 resets) in 451 ms. (88 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 175 ms. (227 steps per ms) remains 1/1 properties
[2025-06-03 19:25:36] [INFO ] Flow matrix only has 60 transitions (discarded 37 similar events)
[2025-06-03 19:25:36] [INFO ] Invariant cache hit.
[2025-06-03 19:25:36] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 11/16 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 34/50 variables, 17/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 59/109 variables, 50/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/109 variables, 27/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/109 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/110 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/110 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/110 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 110/110 variables, and 99 constraints, problems are : Problem set: 0 solved, 1 unsolved in 104 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 50/50 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf1 is UNSAT
After SMT solving in domain Int declared 16/110 variables, and 4 constraints, problems are : Problem set: 1 solved, 0 unsolved in 39 ms.
Refiners :[Positive P Invariants (semi-flows): 4/21 constraints, State Equation: 0/50 constraints, ReadFeed: 0/28 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 149ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p1 p0), (X (NOT (AND p1 (NOT p0)))), (X (NOT (AND (NOT p1) (NOT p0)))), (X p0), (X p1), (X (X (NOT (AND (NOT p1) (NOT p0))))), (G (OR p0 p1))]
False Knowledge obtained : [(X (X (AND p1 (NOT p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1))), (F (NOT p1)), (F (NOT (OR p0 (NOT p1)))), (F (NOT p0))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 7 factoid took 34 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA FlexibleBarrier-PT-20a-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FlexibleBarrier-PT-20a-LTLFireability-13 finished in 2347 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 3 out of 243 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 243/243 places, 682/682 transitions.
Graph (trivial) has 195 edges and 243 vertex of which 54 / 243 are part of one of the 18 SCC in 1 ms
Free SCC test removed 36 places
Ensure Unique test removed 172 transitions
Reduce isomorphic transitions removed 172 transitions.
Performed 60 Post agglomeration using F-continuation condition.Transition count delta: 60
Deduced a syphon composed of 60 places in 0 ms
Reduce places removed 60 places and 0 transitions.
Iterating global reduction 0 with 120 rules applied. Total rules applied 121 place count 147 transition count 450
Drop transitions (Redundant composition of simpler transitions.) removed 223 transitions
Redundant transition composition rules discarded 223 transitions
Iterating global reduction 0 with 223 rules applied. Total rules applied 344 place count 147 transition count 227
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 345 place count 147 transition count 227
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 346 place count 146 transition count 226
Iterating global reduction 0 with 1 rules applied. Total rules applied 347 place count 146 transition count 226
Applied a total of 347 rules in 45 ms. Remains 146 /243 variables (removed 97) and now considering 226/682 (removed 456) transitions.
[2025-06-03 19:25:36] [INFO ] Flow matrix only has 189 transitions (discarded 37 similar events)
// Phase 1: matrix 189 rows 146 cols
[2025-06-03 19:25:36] [INFO ] Computed 22 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 19:25:36] [INFO ] Implicit Places using invariants in 264 ms returned [145]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 266 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 145/243 places, 226/682 transitions.
Graph (trivial) has 198 edges and 145 vertex of which 54 / 145 are part of one of the 18 SCC in 1 ms
Free SCC test removed 36 places
Ensure Unique test removed 72 transitions
Reduce isomorphic transitions removed 72 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 109 transition count 134
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 1 with 20 rules applied. Total rules applied 41 place count 89 transition count 134
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 20 Pre rules applied. Total rules applied 41 place count 89 transition count 114
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 81 place count 69 transition count 114
Performed 22 Post agglomeration using F-continuation condition.Transition count delta: 22
Deduced a syphon composed of 22 places in 0 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 2 with 44 rules applied. Total rules applied 125 place count 47 transition count 92
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 2 with 20 rules applied. Total rules applied 145 place count 47 transition count 72
Applied a total of 145 rules in 11 ms. Remains 47 /145 variables (removed 98) and now considering 72/226 (removed 154) transitions.
[2025-06-03 19:25:36] [INFO ] Flow matrix only has 51 transitions (discarded 21 similar events)
// Phase 1: matrix 51 rows 47 cols
[2025-06-03 19:25:36] [INFO ] Computed 21 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 19:25:36] [INFO ] Implicit Places using invariants in 61 ms returned []
[2025-06-03 19:25:36] [INFO ] Flow matrix only has 51 transitions (discarded 21 similar events)
[2025-06-03 19:25:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 19:25:36] [INFO ] State equation strengthened by 23 read => feed constraints.
[2025-06-03 19:25:36] [INFO ] Implicit Places using invariants and state equation in 108 ms returned []
Implicit Place search using SMT with State Equation took 171 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 47/243 places, 72/682 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 493 ms. Remains : 47/243 places, 72/682 transitions.
Stuttering acceptance computed with spot in 77 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-20a-LTLFireability-14
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-20a-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-20a-LTLFireability-14 finished in 592 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)))))'
Support contains 4 out of 243 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 243/243 places, 682/682 transitions.
Graph (trivial) has 193 edges and 243 vertex of which 51 / 243 are part of one of the 17 SCC in 1 ms
Free SCC test removed 34 places
Ensure Unique test removed 170 transitions
Reduce isomorphic transitions removed 170 transitions.
Performed 61 Post agglomeration using F-continuation condition.Transition count delta: 61
Deduced a syphon composed of 61 places in 0 ms
Reduce places removed 61 places and 0 transitions.
Iterating global reduction 0 with 122 rules applied. Total rules applied 123 place count 148 transition count 451
Drop transitions (Redundant composition of simpler transitions.) removed 221 transitions
Redundant transition composition rules discarded 221 transitions
Iterating global reduction 0 with 221 rules applied. Total rules applied 344 place count 148 transition count 230
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 345 place count 148 transition count 230
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 346 place count 147 transition count 229
Iterating global reduction 0 with 1 rules applied. Total rules applied 347 place count 147 transition count 229
Applied a total of 347 rules in 25 ms. Remains 147 /243 variables (removed 96) and now considering 229/682 (removed 453) transitions.
[2025-06-03 19:25:36] [INFO ] Flow matrix only has 193 transitions (discarded 36 similar events)
// Phase 1: matrix 193 rows 147 cols
[2025-06-03 19:25:36] [INFO ] Computed 22 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 19:25:37] [INFO ] Implicit Places using invariants in 231 ms returned [146]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 238 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 146/243 places, 229/682 transitions.
Graph (trivial) has 196 edges and 146 vertex of which 51 / 146 are part of one of the 17 SCC in 1 ms
Free SCC test removed 34 places
Ensure Unique test removed 68 transitions
Reduce isomorphic transitions removed 68 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 112 transition count 141
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 1 with 20 rules applied. Total rules applied 41 place count 92 transition count 141
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 20 Pre rules applied. Total rules applied 41 place count 92 transition count 121
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 81 place count 72 transition count 121
Performed 23 Post agglomeration using F-continuation condition.Transition count delta: 23
Deduced a syphon composed of 23 places in 0 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 2 with 46 rules applied. Total rules applied 127 place count 49 transition count 98
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 2 with 20 rules applied. Total rules applied 147 place count 49 transition count 78
Applied a total of 147 rules in 13 ms. Remains 49 /146 variables (removed 97) and now considering 78/229 (removed 151) transitions.
[2025-06-03 19:25:37] [INFO ] Flow matrix only has 56 transitions (discarded 22 similar events)
// Phase 1: matrix 56 rows 49 cols
[2025-06-03 19:25:37] [INFO ] Computed 21 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 19:25:37] [INFO ] Implicit Places using invariants in 51 ms returned []
[2025-06-03 19:25:37] [INFO ] Flow matrix only has 56 transitions (discarded 22 similar events)
[2025-06-03 19:25:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 19:25:37] [INFO ] State equation strengthened by 25 read => feed constraints.
[2025-06-03 19:25:37] [INFO ] Implicit Places using invariants and state equation in 118 ms returned []
Implicit Place search using SMT with State Equation took 172 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 49/243 places, 78/682 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 448 ms. Remains : 49/243 places, 78/682 transitions.
Stuttering acceptance computed with spot in 81 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : FlexibleBarrier-PT-20a-LTLFireability-15
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-20a-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-20a-LTLFireability-15 finished in 549 ms.
All properties solved by simple procedures.
Total runtime 139924 ms.
BK_STOP 1748978737458
--------------------
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-20a"
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-20a, 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-174860102700532"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-20a.tgz
mv FlexibleBarrier-PT-20a 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 ;