Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r086-smll-174860102600495.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-14b, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r086-smll-174860102600495
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 7.9K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K 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 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 119K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.1K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 76K 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 726K 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-14b-ReachabilityFireability-2025-00
FORMULA_NAME FlexibleBarrier-PT-14b-ReachabilityFireability-2025-01
FORMULA_NAME FlexibleBarrier-PT-14b-ReachabilityFireability-2025-02
FORMULA_NAME FlexibleBarrier-PT-14b-ReachabilityFireability-2025-03
FORMULA_NAME FlexibleBarrier-PT-14b-ReachabilityFireability-2025-04
FORMULA_NAME FlexibleBarrier-PT-14b-ReachabilityFireability-2025-05
FORMULA_NAME FlexibleBarrier-PT-14b-ReachabilityFireability-2025-06
FORMULA_NAME FlexibleBarrier-PT-14b-ReachabilityFireability-2025-07
FORMULA_NAME FlexibleBarrier-PT-14b-ReachabilityFireability-2025-08
FORMULA_NAME FlexibleBarrier-PT-14b-ReachabilityFireability-2025-09
FORMULA_NAME FlexibleBarrier-PT-14b-ReachabilityFireability-2025-10
FORMULA_NAME FlexibleBarrier-PT-14b-ReachabilityFireability-2025-11
FORMULA_NAME FlexibleBarrier-PT-14b-ReachabilityFireability-2025-12
FORMULA_NAME FlexibleBarrier-PT-14b-ReachabilityFireability-2025-13
FORMULA_NAME FlexibleBarrier-PT-14b-ReachabilityFireability-2025-14
FORMULA_NAME FlexibleBarrier-PT-14b-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1748956005994

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FlexibleBarrier-PT-14b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-06-03 13:06:48] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-03 13:06:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 13:06:48] [INFO ] Load time of PNML (sax parser for PT used): 505 ms
[2025-06-03 13:06:48] [INFO ] Transformed 2678 places.
[2025-06-03 13:06:48] [INFO ] Transformed 3085 transitions.
[2025-06-03 13:06:48] [INFO ] Found NUPN structural information;
[2025-06-03 13:06:48] [INFO ] Parsed PT model containing 2678 places and 3085 transitions and 7733 arcs in 775 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 25 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (404 resets) in 3164 ms. (12 steps per ms) remains 11/16 properties
FORMULA FlexibleBarrier-PT-14b-ReachabilityFireability-2025-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-14b-ReachabilityFireability-2025-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-14b-ReachabilityFireability-2025-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-14b-ReachabilityFireability-2025-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-14b-ReachabilityFireability-2025-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40003 steps (35 resets) in 825 ms. (48 steps per ms) remains 10/11 properties
FORMULA FlexibleBarrier-PT-14b-ReachabilityFireability-2025-00 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (18 resets) in 693 ms. (57 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (32 resets) in 290 ms. (137 steps per ms) remains 10/10 properties
[2025-06-03 13:06:50] [INFO ] Flatten gal took : 771 ms
BEST_FIRST walk for 40004 steps (8 resets) in 395 ms. (101 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (36 resets) in 350 ms. (113 steps per ms) remains 10/10 properties
[2025-06-03 13:06:51] [INFO ] Flatten gal took : 396 ms
BEST_FIRST walk for 40003 steps (35 resets) in 606 ms. (65 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (38 resets) in 179 ms. (222 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (28 resets) in 217 ms. (183 steps per ms) remains 9/10 properties
FORMULA FlexibleBarrier-PT-14b-ReachabilityFireability-2025-11 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (37 resets) in 230 ms. (173 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (34 resets) in 161 ms. (246 steps per ms) remains 8/9 properties
FORMULA FlexibleBarrier-PT-14b-ReachabilityFireability-2025-14 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (35 resets) in 117 ms. (339 steps per ms) remains 8/8 properties
[2025-06-03 13:06:51] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3046042780866972260.gal : 222 ms
[2025-06-03 13:06:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9902168336823085033.prop : 3 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3046042780866972260.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9902168336823085033.prop' '--nowitness' '--gen-order' 'FOLLOW'
// Phase 1: matrix 3085 rows 2678 cols

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
[2025-06-03 13:06:52] [INFO ] Computed 16 invariants in 221 ms
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Loading property file /tmp/ReachabilityCardinality9902168336823085033.prop.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/204 variables, 204/204 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/204 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Problem FlexibleBarrier-PT-14b-ReachabilityFireability-2025-13 is UNSAT
FORMULA FlexibleBarrier-PT-14b-ReachabilityFireability-2025-13 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 2474/2678 variables, 16/220 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2678 variables, 2474/2694 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2678 variables, 0/2694 constraints. Problems are: Problem set: 1 solved, 7 unsolved
SMT process timed out in 5600ms, After SMT, problems are : Problem set: 1 solved, 7 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 201 out of 2678 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2678/2678 places, 3085/3085 transitions.
Graph (trivial) has 1726 edges and 2678 vertex of which 6 / 2678 are part of one of the 1 SCC in 23 ms
Free SCC test removed 5 places
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 427 transitions
Trivial Post-agglo rules discarded 427 transitions
Performed 427 trivial Post agglomeration. Transition count delta: 427
Iterating post reduction 0 with 427 rules applied. Total rules applied 428 place count 2673 transition count 2652
Reduce places removed 427 places and 0 transitions.
Performed 28 Post agglomeration using F-continuation condition.Transition count delta: 28
Iterating post reduction 1 with 455 rules applied. Total rules applied 883 place count 2246 transition count 2624
Reduce places removed 28 places and 0 transitions.
Iterating post reduction 2 with 28 rules applied. Total rules applied 911 place count 2218 transition count 2624
Performed 303 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 303 Pre rules applied. Total rules applied 911 place count 2218 transition count 2321
Deduced a syphon composed of 303 places in 4 ms
Reduce places removed 303 places and 0 transitions.
Iterating global reduction 3 with 606 rules applied. Total rules applied 1517 place count 1915 transition count 2321
Discarding 929 places :
Symmetric choice reduction at 3 with 929 rule applications. Total rules 2446 place count 986 transition count 1392
Iterating global reduction 3 with 929 rules applied. Total rules applied 3375 place count 986 transition count 1392
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 3375 place count 986 transition count 1390
Deduced a syphon composed of 2 places in 4 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 3379 place count 984 transition count 1390
Discarding 105 places :
Symmetric choice reduction at 3 with 105 rule applications. Total rules 3484 place count 879 transition count 1285
Iterating global reduction 3 with 105 rules applied. Total rules applied 3589 place count 879 transition count 1285
Ensure Unique test removed 86 transitions
Reduce isomorphic transitions removed 86 transitions.
Iterating post reduction 3 with 86 rules applied. Total rules applied 3675 place count 879 transition count 1199
Performed 106 Post agglomeration using F-continuation condition.Transition count delta: 106
Deduced a syphon composed of 106 places in 1 ms
Reduce places removed 106 places and 0 transitions.
Iterating global reduction 4 with 212 rules applied. Total rules applied 3887 place count 773 transition count 1093
Performed 11 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 11 places in 1 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 4 with 22 rules applied. Total rules applied 3909 place count 762 transition count 1093
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 3910 place count 762 transition count 1092
Free-agglomeration rule applied 21 times.
Iterating global reduction 4 with 21 rules applied. Total rules applied 3931 place count 762 transition count 1071
Reduce places removed 21 places and 0 transitions.
Iterating post reduction 4 with 21 rules applied. Total rules applied 3952 place count 741 transition count 1071
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 5 with 3 rules applied. Total rules applied 3955 place count 741 transition count 1068
Partial Free-agglomeration rule applied 12 times.
Drop transitions (Partial Free agglomeration) removed 12 transitions
Iterating global reduction 5 with 12 rules applied. Total rules applied 3967 place count 741 transition count 1068
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 5 with 2 rules applied. Total rules applied 3969 place count 741 transition count 1068
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 3970 place count 740 transition count 1067
Applied a total of 3970 rules in 1312 ms. Remains 740 /2678 variables (removed 1938) and now considering 1067/3085 (removed 2018) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1330 ms. Remains : 740/2678 places, 1067/3085 transitions.
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 5
RANDOM walk for 40000 steps (910 resets) in 858 ms. (46 steps per ms) remains 6/7 properties
FORMULA FlexibleBarrier-PT-14b-ReachabilityFireability-2025-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 264 ms. (150 steps per ms) remains 6/6 properties
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :5 after 10
BEST_FIRST walk for 40004 steps (53 resets) in 193 ms. (206 steps per ms) remains 6/6 properties
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :10 after 20
BEST_FIRST walk for 40003 steps (8 resets) in 318 ms. (125 steps per ms) remains 6/6 properties
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :20 after 50
BEST_FIRST walk for 40004 steps (57 resets) in 224 ms. (177 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (56 resets) in 259 ms. (153 steps per ms) remains 6/6 properties
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :50 after 1310
BEST_FIRST walk for 40004 steps (58 resets) in 139 ms. (285 steps per ms) remains 6/6 properties
[2025-06-03 13:06:59] [INFO ] Flow matrix only has 1058 transitions (discarded 9 similar events)
// Phase 1: matrix 1058 rows 740 cols
[2025-06-03 13:06:59] [INFO ] Computed 16 invariants in 21 ms
SDD proceeding with computation,8 properties remain. new max is 128
[2025-06-03 13:06:59] [INFO ] State equation strengthened by 14 read => feed constraints.
SDD size :1310 after 46705
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :46705 after 6.05142e+07
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :6.05142e+07 after 1.01641e+14
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/198 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 542/740 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 6 unsolved
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :1.01641e+14 after 6.65797e+21
At refinement iteration 2 (INCLUDED_ONLY) 0/740 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 1058/1798 variables, 740/756 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1798 variables, 14/770 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1798 variables, 0/770 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/1798 variables, 0/770 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1798/1798 variables, and 770 constraints, problems are : Problem set: 0 solved, 6 unsolved in 3129 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 740/740 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 6/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/198 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Problem FlexibleBarrier-PT-14b-ReachabilityFireability-2025-01 is UNSAT
FORMULA FlexibleBarrier-PT-14b-ReachabilityFireability-2025-01 TRUE TECHNIQUES SMT_REFINEMENT
Problem FlexibleBarrier-PT-14b-ReachabilityFireability-2025-05 is UNSAT
FORMULA FlexibleBarrier-PT-14b-ReachabilityFireability-2025-05 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 542/740 variables, 16/16 constraints. Problems are: Problem set: 2 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 13:07:03] [INFO ] Deduced a trap composed of 103 places in 539 ms of which 93 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 13:07:04] [INFO ] Deduced a trap composed of 258 places in 635 ms of which 216 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 13:07:05] [INFO ] Deduced a trap composed of 240 places in 704 ms of which 126 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 13:07:05] [INFO ] Deduced a trap composed of 258 places in 860 ms of which 144 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/740 variables, 4/20 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/740 variables, 0/20 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 1058/1798 variables, 740/760 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1798 variables, 14/774 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1798 variables, 1/775 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1798 variables, 0/775 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/1798 variables, 0/775 constraints. Problems are: Problem set: 2 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1798/1798 variables, and 775 constraints, problems are : Problem set: 2 solved, 4 unsolved in 6450 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 740/740 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 6/1 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9663ms problems are : Problem set: 2 solved, 4 unsolved
FORMULA FlexibleBarrier-PT-14b-ReachabilityFireability-2025-07 TRUE TECHNIQUES PARIKH_WALK
FORMULA FlexibleBarrier-PT-14b-ReachabilityFireability-2025-15 TRUE TECHNIQUES PARIKH_WALK
FORMULA FlexibleBarrier-PT-14b-ReachabilityFireability-2025-08 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 3 properties in 723 ms.
Support contains 65 out of 740 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 740/740 places, 1067/1067 transitions.
Graph (trivial) has 285 edges and 740 vertex of which 18 / 740 are part of one of the 7 SCC in 2 ms
Free SCC test removed 11 places
Drop transitions (Empty/Sink Transition effects.) removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 27 transitions
Trivial Post-agglo rules discarded 27 transitions
Performed 27 trivial Post agglomeration. Transition count delta: 27
Iterating post reduction 0 with 27 rules applied. Total rules applied 28 place count 729 transition count 1022
Reduce places removed 27 places and 0 transitions.
Iterating post reduction 1 with 27 rules applied. Total rules applied 55 place count 702 transition count 1022
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 17 Pre rules applied. Total rules applied 55 place count 702 transition count 1005
Deduced a syphon composed of 17 places in 1 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 2 with 34 rules applied. Total rules applied 89 place count 685 transition count 1005
Discarding 72 places :
Symmetric choice reduction at 2 with 72 rule applications. Total rules 161 place count 613 transition count 933
Iterating global reduction 2 with 72 rules applied. Total rules applied 233 place count 613 transition count 933
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 239 place count 613 transition count 927
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 240 place count 612 transition count 926
Iterating global reduction 3 with 1 rules applied. Total rules applied 241 place count 612 transition count 926
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 242 place count 612 transition count 925
Performed 30 Post agglomeration using F-continuation condition.Transition count delta: 30
Deduced a syphon composed of 30 places in 1 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 4 with 60 rules applied. Total rules applied 302 place count 582 transition count 895
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 303 place count 582 transition count 894
Discarding 44 places :
Symmetric choice reduction at 5 with 44 rule applications. Total rules 347 place count 538 transition count 850
Iterating global reduction 5 with 44 rules applied. Total rules applied 391 place count 538 transition count 850
Ensure Unique test removed 44 transitions
Reduce isomorphic transitions removed 44 transitions.
Iterating post reduction 5 with 44 rules applied. Total rules applied 435 place count 538 transition count 806
Drop transitions (Redundant composition of simpler transitions.) removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 6 with 5 rules applied. Total rules applied 440 place count 538 transition count 801
Free-agglomeration rule applied 109 times with reduction of 1 identical transitions.
Iterating global reduction 6 with 109 rules applied. Total rules applied 549 place count 538 transition count 691
Reduce places removed 109 places and 0 transitions.
Iterating post reduction 6 with 109 rules applied. Total rules applied 658 place count 429 transition count 691
Discarding 7 places :
Symmetric choice reduction at 7 with 7 rule applications. Total rules 665 place count 422 transition count 684
Iterating global reduction 7 with 7 rules applied. Total rules applied 672 place count 422 transition count 684
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 7 with 7 rules applied. Total rules applied 679 place count 422 transition count 677
Drop transitions (Redundant composition of simpler transitions.) removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 8 with 7 rules applied. Total rules applied 686 place count 422 transition count 670
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 8 with 1 rules applied. Total rules applied 687 place count 422 transition count 670
Applied a total of 687 rules in 332 ms. Remains 422 /740 variables (removed 318) and now considering 670/1067 (removed 397) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 332 ms. Remains : 422/740 places, 670/1067 transitions.
RANDOM walk for 40000 steps (617 resets) in 586 ms. (68 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 385 ms. (103 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 473675 steps, run timeout after 3001 ms. (steps per millisecond=157 ) properties seen :0 out of 1
Probabilistic random walk after 473675 steps, saw 235586 distinct states, run finished after 3011 ms. (steps per millisecond=157 ) properties seen :0
[2025-06-03 13:07:13] [INFO ] Flow matrix only has 650 transitions (discarded 20 similar events)
// Phase 1: matrix 650 rows 422 cols
[2025-06-03 13:07:13] [INFO ] Computed 16 invariants in 16 ms
[2025-06-03 13:07:13] [INFO ] State equation strengthened by 127 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 357/422 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/422 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 650/1072 variables, 422/438 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1072 variables, 127/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1072 variables, 0/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/1072 variables, 0/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1072/1072 variables, and 565 constraints, problems are : Problem set: 0 solved, 1 unsolved in 655 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 422/422 constraints, ReadFeed: 127/127 constraints, PredecessorRefiner: 1/0 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 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 357/422 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/422 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 650/1072 variables, 422/438 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1072 variables, 127/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1072 variables, 0/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/1072 variables, 0/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1072/1072 variables, and 565 constraints, problems are : Problem set: 0 solved, 1 unsolved in 876 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 422/422 constraints, ReadFeed: 127/127 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1568ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 125 steps, including 2 resets, run visited all 1 properties in 2 ms. (steps per millisecond=62 )
FORMULA FlexibleBarrier-PT-14b-ReachabilityFireability-2025-06 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 10 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 27007 ms.

BK_STOP 1748956035126

--------------------
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
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -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 ReachabilityFireability -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-14b"
export BK_EXAMINATION="ReachabilityFireability"
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-14b, examination is ReachabilityFireability"
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-174860102600495"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-14b.tgz
mv FlexibleBarrier-PT-14b execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;