Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r086-smll-174860102500436.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-08a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r086-smll-174860102500436
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 512K
-rw-r--r-- 1 mcc users 6.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K 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 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 112K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 96K 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 64K 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-08a-LTLFireability-00
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-01
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-02
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-03
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-04
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-05
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-06
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-07
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-08
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-09
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-10
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-11
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-12
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-13
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-14
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748923915195

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-08a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-03 04:11:57] [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 04:11:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 04:11:58] [INFO ] Load time of PNML (sax parser for PT used): 359 ms
[2025-06-03 04:11:58] [INFO ] Transformed 99 places.
[2025-06-03 04:11:58] [INFO ] Transformed 236 transitions.
[2025-06-03 04:11:58] [INFO ] Found NUPN structural information;
[2025-06-03 04:11:58] [INFO ] Parsed PT model containing 99 places and 236 transitions and 985 arcs in 617 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 22 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Ensure Unique test removed 50 transitions
Reduce redundant transitions removed 50 transitions.
FORMULA FlexibleBarrier-PT-08a-LTLFireability-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-08a-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-08a-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-08a-LTLFireability-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 30 out of 99 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 186/186 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 99 transition count 178
Applied a total of 8 rules in 46 ms. Remains 99 /99 variables (removed 0) and now considering 178/186 (removed 8) transitions.
// Phase 1: matrix 178 rows 99 cols
[2025-06-03 04:11:59] [INFO ] Computed 10 invariants in 17 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:11:59] [INFO ] Implicit Places using invariants in 462 ms returned []
[2025-06-03 04:11:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:11:59] [INFO ] State equation strengthened by 97 read => feed constraints.
[2025-06-03 04:11:59] [INFO ] Implicit Places using invariants and state equation in 425 ms returned []
Implicit Place search using SMT with State Equation took 977 ms to find 0 implicit places.
Running 177 sub problems to find dead transitions.
[2025-06-03 04:12:00] [INFO ] Invariant cache hit.
[2025-06-03 04:12:00] [INFO ] State equation strengthened by 97 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 98/98 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 1/99 variables, 10/108 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/99 variables, 1/109 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/99 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (OVERLAPS) 178/277 variables, 99/208 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/277 variables, 97/305 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/277 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 8 (OVERLAPS) 0/277 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 177 unsolved
No progress, stopping.
After SMT solving in domain Real declared 277/277 variables, and 305 constraints, problems are : Problem set: 0 solved, 177 unsolved in 13555 ms.
Refiners :[Domain max(s): 99/99 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 99/99 constraints, ReadFeed: 97/97 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 177 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 98/98 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 1/99 variables, 10/108 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/99 variables, 1/109 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/99 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (OVERLAPS) 178/277 variables, 99/208 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/277 variables, 97/305 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/277 variables, 177/482 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/277 variables, 0/482 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 9 (OVERLAPS) 0/277 variables, 0/482 constraints. Problems are: Problem set: 0 solved, 177 unsolved
No progress, stopping.
After SMT solving in domain Int declared 277/277 variables, and 482 constraints, problems are : Problem set: 0 solved, 177 unsolved in 14658 ms.
Refiners :[Domain max(s): 99/99 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 99/99 constraints, ReadFeed: 97/97 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 28422ms problems are : Problem set: 0 solved, 177 unsolved
Search for dead transitions found 0 dead transitions in 28497ms
Starting structural reductions in LTL mode, iteration 1 : 99/99 places, 178/186 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 29593 ms. Remains : 99/99 places, 178/186 transitions.
Support contains 30 out of 99 places after structural reductions.
[2025-06-03 04:12:28] [INFO ] Flatten gal took : 76 ms
[2025-06-03 04:12:28] [INFO ] Flatten gal took : 34 ms
[2025-06-03 04:12:29] [INFO ] Input system was already deterministic with 178 transitions.
Support contains 29 out of 99 places (down from 30) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 25 to 24
RANDOM walk for 2624 steps (0 resets) in 309 ms. (8 steps per ms) remains 0/24 properties
FORMULA FlexibleBarrier-PT-08a-LTLFireability-12 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' '!(F(p0))'
Support contains 2 out of 99 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Graph (trivial) has 78 edges and 99 vertex of which 24 / 99 are part of one of the 8 SCC in 3 ms
Free SCC test removed 16 places
Ensure Unique test removed 37 transitions
Reduce isomorphic transitions removed 37 transitions.
Performed 22 Post agglomeration using F-continuation condition.Transition count delta: 22
Deduced a syphon composed of 22 places in 1 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 0 with 44 rules applied. Total rules applied 45 place count 61 transition count 119
Drop transitions (Redundant composition of simpler transitions.) removed 28 transitions
Redundant transition composition rules discarded 28 transitions
Iterating global reduction 0 with 28 rules applied. Total rules applied 73 place count 61 transition count 91
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 75 place count 61 transition count 91
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 76 place count 60 transition count 90
Iterating global reduction 0 with 1 rules applied. Total rules applied 77 place count 60 transition count 90
Applied a total of 77 rules in 78 ms. Remains 60 /99 variables (removed 39) and now considering 90/178 (removed 88) transitions.
[2025-06-03 04:12:29] [INFO ] Flow matrix only has 76 transitions (discarded 14 similar events)
// Phase 1: matrix 76 rows 60 cols
[2025-06-03 04:12:29] [INFO ] Computed 10 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:12:30] [INFO ] Implicit Places using invariants in 131 ms returned [58]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 133 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 59/99 places, 90/178 transitions.
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 8 Pre rules applied. Total rules applied 0 place count 59 transition count 82
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 16 place count 51 transition count 82
Applied a total of 16 rules in 15 ms. Remains 51 /59 variables (removed 8) and now considering 82/90 (removed 8) transitions.
[2025-06-03 04:12:30] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 51 cols
[2025-06-03 04:12:30] [INFO ] Computed 9 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:12:30] [INFO ] Implicit Places using invariants in 74 ms returned []
[2025-06-03 04:12:30] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2025-06-03 04:12:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:12:30] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-03 04:12:30] [INFO ] Implicit Places using invariants and state equation in 182 ms returned []
Implicit Place search using SMT with State Equation took 258 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 51/99 places, 82/178 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 484 ms. Remains : 51/99 places, 82/178 transitions.
Stuttering acceptance computed with spot in 293 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-08a-LTLFireability-00
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 2 ms.
FORMULA FlexibleBarrier-PT-08a-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-08a-LTLFireability-00 finished in 889 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 99 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Graph (trivial) has 78 edges and 99 vertex of which 24 / 99 are part of one of the 8 SCC in 1 ms
Free SCC test removed 16 places
Ensure Unique test removed 37 transitions
Reduce isomorphic transitions removed 37 transitions.
Performed 23 Post agglomeration using F-continuation condition.Transition count delta: 23
Deduced a syphon composed of 23 places in 1 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 0 with 46 rules applied. Total rules applied 47 place count 60 transition count 118
Drop transitions (Redundant composition of simpler transitions.) removed 28 transitions
Redundant transition composition rules discarded 28 transitions
Iterating global reduction 0 with 28 rules applied. Total rules applied 75 place count 60 transition count 90
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 76 place count 60 transition count 90
Applied a total of 76 rules in 40 ms. Remains 60 /99 variables (removed 39) and now considering 90/178 (removed 88) transitions.
[2025-06-03 04:12:30] [INFO ] Flow matrix only has 75 transitions (discarded 15 similar events)
// Phase 1: matrix 75 rows 60 cols
[2025-06-03 04:12:30] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:12:30] [INFO ] Implicit Places using invariants in 104 ms returned [58]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 106 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 59/99 places, 90/178 transitions.
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 8 Pre rules applied. Total rules applied 0 place count 59 transition count 82
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 16 place count 51 transition count 82
Applied a total of 16 rules in 13 ms. Remains 51 /59 variables (removed 8) and now considering 82/90 (removed 8) transitions.
[2025-06-03 04:12:30] [INFO ] Flow matrix only has 67 transitions (discarded 15 similar events)
// Phase 1: matrix 67 rows 51 cols
[2025-06-03 04:12:30] [INFO ] Computed 9 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:12:30] [INFO ] Implicit Places using invariants in 79 ms returned []
[2025-06-03 04:12:30] [INFO ] Flow matrix only has 67 transitions (discarded 15 similar events)
[2025-06-03 04:12:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:12:30] [INFO ] State equation strengthened by 49 read => feed constraints.
[2025-06-03 04:12:31] [INFO ] Implicit Places using invariants and state equation in 161 ms returned []
Implicit Place search using SMT with State Equation took 249 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 51/99 places, 82/178 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 408 ms. Remains : 51/99 places, 82/178 transitions.
Stuttering acceptance computed with spot in 86 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-08a-LTLFireability-01
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-08a-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-08a-LTLFireability-01 finished in 518 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 U (p1||G(!p0))))))'
Support contains 3 out of 99 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Graph (trivial) has 77 edges and 99 vertex of which 21 / 99 are part of one of the 7 SCC in 1 ms
Free SCC test removed 14 places
Ensure Unique test removed 35 transitions
Reduce isomorphic transitions removed 35 transitions.
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 0 with 46 rules applied. Total rules applied 47 place count 62 transition count 120
Drop transitions (Redundant composition of simpler transitions.) removed 28 transitions
Redundant transition composition rules discarded 28 transitions
Iterating global reduction 0 with 28 rules applied. Total rules applied 75 place count 62 transition count 92
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 76 place count 62 transition count 91
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 77 place count 61 transition count 91
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 78 place count 61 transition count 91
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 79 place count 60 transition count 90
Iterating global reduction 2 with 1 rules applied. Total rules applied 80 place count 60 transition count 90
Applied a total of 80 rules in 42 ms. Remains 60 /99 variables (removed 39) and now considering 90/178 (removed 88) transitions.
[2025-06-03 04:12:31] [INFO ] Flow matrix only has 76 transitions (discarded 14 similar events)
// Phase 1: matrix 76 rows 60 cols
[2025-06-03 04:12:31] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:12:31] [INFO ] Implicit Places using invariants in 74 ms returned [58]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 77 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 59/99 places, 90/178 transitions.
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 8 Pre rules applied. Total rules applied 0 place count 59 transition count 82
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 16 place count 51 transition count 82
Applied a total of 16 rules in 6 ms. Remains 51 /59 variables (removed 8) and now considering 82/90 (removed 8) transitions.
[2025-06-03 04:12:31] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 51 cols
[2025-06-03 04:12:31] [INFO ] Computed 9 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:12:31] [INFO ] Implicit Places using invariants in 61 ms returned []
[2025-06-03 04:12:31] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2025-06-03 04:12:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:12:31] [INFO ] State equation strengthened by 49 read => feed constraints.
[2025-06-03 04:12:31] [INFO ] Implicit Places using invariants and state equation in 132 ms returned []
Implicit Place search using SMT with State Equation took 196 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 51/99 places, 82/178 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 321 ms. Remains : 51/99 places, 82/178 transitions.
Stuttering acceptance computed with spot in 103 ms :[(AND (NOT p1) p0), (AND (NOT p1) p0)]
Running random walk in product with property : FlexibleBarrier-PT-08a-LTLFireability-03
Stuttering criterion allowed to conclude after 183 steps with 0 reset in 6 ms.
FORMULA FlexibleBarrier-PT-08a-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-08a-LTLFireability-03 finished in 447 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((X(X(p0))||((G(p2)||G(p3))&&p1))))'
Support contains 7 out of 99 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Applied a total of 0 rules in 3 ms. Remains 99 /99 variables (removed 0) and now considering 178/178 (removed 0) transitions.
// Phase 1: matrix 178 rows 99 cols
[2025-06-03 04:12:31] [INFO ] Computed 10 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:12:31] [INFO ] Implicit Places using invariants in 88 ms returned []
[2025-06-03 04:12:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:12:31] [INFO ] State equation strengthened by 97 read => feed constraints.
[2025-06-03 04:12:31] [INFO ] Implicit Places using invariants and state equation in 246 ms returned []
Implicit Place search using SMT with State Equation took 336 ms to find 0 implicit places.
Running 177 sub problems to find dead transitions.
[2025-06-03 04:12:31] [INFO ] Invariant cache hit.
[2025-06-03 04:12:31] [INFO ] State equation strengthened by 97 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 98/98 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 1/99 variables, 10/108 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/99 variables, 1/109 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/99 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (OVERLAPS) 178/277 variables, 99/208 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/277 variables, 97/305 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/277 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 8 (OVERLAPS) 0/277 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 177 unsolved
No progress, stopping.
After SMT solving in domain Real declared 277/277 variables, and 305 constraints, problems are : Problem set: 0 solved, 177 unsolved in 14076 ms.
Refiners :[Domain max(s): 99/99 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 99/99 constraints, ReadFeed: 97/97 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 177 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 98/98 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 1/99 variables, 10/108 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/99 variables, 1/109 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/99 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (OVERLAPS) 178/277 variables, 99/208 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/277 variables, 97/305 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/277 variables, 177/482 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/277 variables, 0/482 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 9 (OVERLAPS) 0/277 variables, 0/482 constraints. Problems are: Problem set: 0 solved, 177 unsolved
No progress, stopping.
After SMT solving in domain Int declared 277/277 variables, and 482 constraints, problems are : Problem set: 0 solved, 177 unsolved in 14925 ms.
Refiners :[Domain max(s): 99/99 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 99/99 constraints, ReadFeed: 97/97 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 29059ms problems are : Problem set: 0 solved, 177 unsolved
Search for dead transitions found 0 dead transitions in 29067ms
Finished structural reductions in LTL mode , in 1 iterations and 29410 ms. Remains : 99/99 places, 178/178 transitions.
Stuttering acceptance computed with spot in 732 ms :[(OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1))), (NOT p0), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2) (NOT p3)), (NOT p0), true, (AND (NOT p3) (NOT p0)), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p3) (NOT p0)), (NOT p3), (NOT p2), (AND (NOT p3) (NOT p2))]
Running random walk in product with property : FlexibleBarrier-PT-08a-LTLFireability-04
Entered a terminal (fully accepting) state of product in 6 steps with 1 reset in 2 ms.
FORMULA FlexibleBarrier-PT-08a-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-08a-LTLFireability-04 finished in 30180 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(G(p1))&&G(p2))))'
Support contains 6 out of 99 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Applied a total of 0 rules in 4 ms. Remains 99 /99 variables (removed 0) and now considering 178/178 (removed 0) transitions.
[2025-06-03 04:13:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:13:01] [INFO ] Implicit Places using invariants in 157 ms returned [98]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 170 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 98/99 places, 178/178 transitions.
Applied a total of 0 rules in 4 ms. Remains 98 /98 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 178 ms. Remains : 98/99 places, 178/178 transitions.
Stuttering acceptance computed with spot in 244 ms :[true, (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (NOT p1) (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-08a-LTLFireability-06
Entered a terminal (fully accepting) state of product in 21 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-08a-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-08a-LTLFireability-06 finished in 452 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(p0))&&F(p1)&&F(p2)))'
Support contains 4 out of 99 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Applied a total of 0 rules in 3 ms. Remains 99 /99 variables (removed 0) and now considering 178/178 (removed 0) transitions.
[2025-06-03 04:13:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:13:02] [INFO ] Implicit Places using invariants in 202 ms returned [97]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 203 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 98/99 places, 178/178 transitions.
Applied a total of 0 rules in 2 ms. Remains 98 /98 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 209 ms. Remains : 98/99 places, 178/178 transitions.
Stuttering acceptance computed with spot in 287 ms :[(OR (NOT p2) (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (NOT p2), (NOT p0), true]
Running random walk in product with property : FlexibleBarrier-PT-08a-LTLFireability-07
Product exploration explored 100000 steps with 5094 reset in 658 ms.
Stack based approach found an accepted trace after 22 steps with 1 reset with depth 20 and stack size 20 in 1 ms.
FORMULA FlexibleBarrier-PT-08a-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-08a-LTLFireability-07 finished in 1187 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(p1)))'
Support contains 3 out of 99 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Applied a total of 0 rules in 1 ms. Remains 99 /99 variables (removed 0) and now considering 178/178 (removed 0) transitions.
[2025-06-03 04:13:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:13:03] [INFO ] Implicit Places using invariants in 188 ms returned [97]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 189 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 98/99 places, 178/178 transitions.
Applied a total of 0 rules in 2 ms. Remains 98 /98 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 192 ms. Remains : 98/99 places, 178/178 transitions.
Stuttering acceptance computed with spot in 145 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), true]
Running random walk in product with property : FlexibleBarrier-PT-08a-LTLFireability-08
Product exploration explored 100000 steps with 6114 reset in 484 ms.
Stack based approach found an accepted trace after 68 steps with 5 reset with depth 15 and stack size 15 in 7 ms.
FORMULA FlexibleBarrier-PT-08a-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-08a-LTLFireability-08 finished in 842 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&&X(p2))||G(p2)))))) U !p2))'
Support contains 6 out of 99 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Applied a total of 0 rules in 3 ms. Remains 99 /99 variables (removed 0) and now considering 178/178 (removed 0) transitions.
[2025-06-03 04:13:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:13:04] [INFO ] Implicit Places using invariants in 148 ms returned [98]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 152 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 98/99 places, 178/178 transitions.
Applied a total of 0 rules in 2 ms. Remains 98 /98 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 159 ms. Remains : 98/99 places, 178/178 transitions.
Stuttering acceptance computed with spot in 220 ms :[p2, (NOT p2), (AND (NOT p0) (NOT p2)), (NOT p2)]
Running random walk in product with property : FlexibleBarrier-PT-08a-LTLFireability-09
Product exploration explored 100000 steps with 20181 reset in 605 ms.
Stack based approach found an accepted trace after 4605 steps with 921 reset with depth 4 and stack size 4 in 22 ms.
FORMULA FlexibleBarrier-PT-08a-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-08a-LTLFireability-09 finished in 1050 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((F(p0)&&G(p1))))'
Support contains 2 out of 99 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Graph (trivial) has 76 edges and 99 vertex of which 21 / 99 are part of one of the 7 SCC in 1 ms
Free SCC test removed 14 places
Ensure Unique test removed 29 transitions
Reduce isomorphic transitions removed 29 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 2 places and 0 transitions.
Graph (trivial) has 109 edges and 82 vertex of which 70 / 82 are part of one of the 10 SCC in 0 ms
Free SCC test removed 60 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 22 transition count 145
Reduce places removed 9 places and 0 transitions.
Ensure Unique test removed 120 transitions
Reduce isomorphic transitions removed 120 transitions.
Iterating post reduction 1 with 129 rules applied. Total rules applied 136 place count 13 transition count 25
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 138 place count 11 transition count 21
Iterating global reduction 2 with 2 rules applied. Total rules applied 140 place count 11 transition count 21
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 2 with 5 rules applied. Total rules applied 145 place count 11 transition count 16
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 148 place count 8 transition count 16
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 150 place count 7 transition count 15
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 151 place count 7 transition count 14
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 5 with 6 rules applied. Total rules applied 157 place count 7 transition count 8
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 5 with 2 rules applied. Total rules applied 159 place count 7 transition count 6
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 161 place count 5 transition count 6
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 1 Pre rules applied. Total rules applied 161 place count 5 transition count 5
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 163 place count 4 transition count 5
Applied a total of 163 rules in 12 ms. Remains 4 /99 variables (removed 95) and now considering 5/178 (removed 173) transitions.
// Phase 1: matrix 5 rows 4 cols
[2025-06-03 04:13:05] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:13:05] [INFO ] Implicit Places using invariants in 25 ms returned []
[2025-06-03 04:13:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:13:05] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 04:13:05] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2025-06-03 04:13:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/8 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/8 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 8/9 variables, and 6 constraints, problems are : Problem set: 0 solved, 2 unsolved in 39 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/8 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 8/9 variables, and 8 constraints, problems are : Problem set: 0 solved, 2 unsolved in 38 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 92ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 93ms
Starting structural reductions in SI_LTL mode, iteration 1 : 4/99 places, 5/178 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 161 ms. Remains : 4/99 places, 5/178 transitions.
Stuttering acceptance computed with spot in 139 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-08a-LTLFireability-10
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-08a-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-08a-LTLFireability-10 finished in 322 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((X(X(X(X(F(p1)))))||p0)))'
Support contains 7 out of 99 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Applied a total of 0 rules in 2 ms. Remains 99 /99 variables (removed 0) and now considering 178/178 (removed 0) transitions.
// Phase 1: matrix 178 rows 99 cols
[2025-06-03 04:13:05] [INFO ] Computed 10 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:13:05] [INFO ] Implicit Places using invariants in 81 ms returned []
[2025-06-03 04:13:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:13:05] [INFO ] State equation strengthened by 97 read => feed constraints.
[2025-06-03 04:13:05] [INFO ] Implicit Places using invariants and state equation in 246 ms returned []
Implicit Place search using SMT with State Equation took 329 ms to find 0 implicit places.
Running 177 sub problems to find dead transitions.
[2025-06-03 04:13:05] [INFO ] Invariant cache hit.
[2025-06-03 04:13:05] [INFO ] State equation strengthened by 97 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 98/98 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 1/99 variables, 10/108 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/99 variables, 1/109 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/99 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (OVERLAPS) 178/277 variables, 99/208 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/277 variables, 97/305 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/277 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 8 (OVERLAPS) 0/277 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 177 unsolved
No progress, stopping.
After SMT solving in domain Real declared 277/277 variables, and 305 constraints, problems are : Problem set: 0 solved, 177 unsolved in 14141 ms.
Refiners :[Domain max(s): 99/99 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 99/99 constraints, ReadFeed: 97/97 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 177 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 98/98 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 1/99 variables, 10/108 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/99 variables, 1/109 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/99 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (OVERLAPS) 178/277 variables, 99/208 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/277 variables, 97/305 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/277 variables, 177/482 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/277 variables, 0/482 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 9 (OVERLAPS) 0/277 variables, 0/482 constraints. Problems are: Problem set: 0 solved, 177 unsolved
No progress, stopping.
After SMT solving in domain Int declared 277/277 variables, and 482 constraints, problems are : Problem set: 0 solved, 177 unsolved in 13197 ms.
Refiners :[Domain max(s): 99/99 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 99/99 constraints, ReadFeed: 97/97 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 27398ms problems are : Problem set: 0 solved, 177 unsolved
Search for dead transitions found 0 dead transitions in 27401ms
Finished structural reductions in LTL mode , in 1 iterations and 27736 ms. Remains : 99/99 places, 178/178 transitions.
Stuttering acceptance computed with spot in 199 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-08a-LTLFireability-11
Product exploration explored 100000 steps with 503 reset in 242 ms.
Stack based approach found an accepted trace after 12 steps with 0 reset with depth 13 and stack size 13 in 0 ms.
FORMULA FlexibleBarrier-PT-08a-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-08a-LTLFireability-11 finished in 28202 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 (G(!p0)||(!p0&&G(p1)))))'
Support contains 3 out of 99 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Graph (trivial) has 78 edges and 99 vertex of which 24 / 99 are part of one of the 8 SCC in 0 ms
Free SCC test removed 16 places
Ensure Unique test removed 37 transitions
Reduce isomorphic transitions removed 37 transitions.
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 0 with 46 rules applied. Total rules applied 47 place count 60 transition count 118
Drop transitions (Redundant composition of simpler transitions.) removed 28 transitions
Redundant transition composition rules discarded 28 transitions
Iterating global reduction 0 with 28 rules applied. Total rules applied 75 place count 60 transition count 90
Applied a total of 75 rules in 17 ms. Remains 60 /99 variables (removed 39) and now considering 90/178 (removed 88) transitions.
[2025-06-03 04:13:33] [INFO ] Flow matrix only has 75 transitions (discarded 15 similar events)
// Phase 1: matrix 75 rows 60 cols
[2025-06-03 04:13:33] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:13:34] [INFO ] Implicit Places using invariants in 142 ms returned [59]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 144 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 59/99 places, 90/178 transitions.
Graph (trivial) has 77 edges and 59 vertex of which 21 / 59 are part of one of the 7 SCC in 0 ms
Free SCC test removed 14 places
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 28 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 8 rules applied. Total rules applied 9 place count 45 transition count 54
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 17 place count 37 transition count 54
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 7 Pre rules applied. Total rules applied 17 place count 37 transition count 47
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 2 with 14 rules applied. Total rules applied 31 place count 30 transition count 47
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 47 place count 22 transition count 39
Drop transitions (Redundant composition of simpler transitions.) removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 2 with 7 rules applied. Total rules applied 54 place count 22 transition count 32
Applied a total of 54 rules in 16 ms. Remains 22 /59 variables (removed 37) and now considering 32/90 (removed 58) transitions.
[2025-06-03 04:13:34] [INFO ] Flow matrix only has 23 transitions (discarded 9 similar events)
// Phase 1: matrix 23 rows 22 cols
[2025-06-03 04:13:34] [INFO ] Computed 9 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:13:34] [INFO ] Implicit Places using invariants in 54 ms returned []
[2025-06-03 04:13:34] [INFO ] Flow matrix only has 23 transitions (discarded 9 similar events)
[2025-06-03 04:13:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 04:13:34] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-06-03 04:13:34] [INFO ] Implicit Places using invariants and state equation in 59 ms returned []
Implicit Place search using SMT with State Equation took 116 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 22/99 places, 32/178 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 298 ms. Remains : 22/99 places, 32/178 transitions.
Stuttering acceptance computed with spot in 153 ms :[true, p0, (AND p0 (NOT p1)), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-08a-LTLFireability-15
Entered a terminal (fully accepting) state of product in 29 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-08a-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-08a-LTLFireability-15 finished in 475 ms.
All properties solved by simple procedures.
Total runtime 96417 ms.

BK_STOP 1748924014385

--------------------
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-08a"
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-08a, 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-174860102500436"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-08a.tgz
mv FlexibleBarrier-PT-08a execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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