Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r130-smll-177955809100350.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-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 2-5973
Executing tool itstools
Input is FlexibleBarrier-PT-08b, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809100350
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 660K
-rw-r--r-- 1 mcc users 7.5K Mar 7 05:26 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Mar 7 05:26 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.4K Mar 7 05:26 CTLFireability.txt
-rw-r--r-- 1 mcc users 34K Mar 7 05:26 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:11 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 10:11 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 10:11 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 10:11 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 7 05:26 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 115K Mar 7 05:26 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 7 05:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 7 05:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:11 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:11 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 241K Mar 3 18:30 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-08b-ReachabilityCardinality-2024-00
FORMULA_NAME FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-01
FORMULA_NAME FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-02
FORMULA_NAME FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-03
FORMULA_NAME FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-04
FORMULA_NAME FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-05
FORMULA_NAME FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-06
FORMULA_NAME FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-07
FORMULA_NAME FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-08
FORMULA_NAME FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-09
FORMULA_NAME FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-10
FORMULA_NAME FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-11
FORMULA_NAME FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-12
FORMULA_NAME FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-13
FORMULA_NAME FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-14
FORMULA_NAME FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779880012167

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FlexibleBarrier-PT-08b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-27 11:06:54] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-27 11:06:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 11:06:55] [INFO ] Load time of PNML (sax parser for PT used): 273 ms
[2026-05-27 11:06:55] [INFO ] Transformed 920 places.
[2026-05-27 11:06:55] [INFO ] Transformed 1057 transitions.
[2026-05-27 11:06:55] [INFO ] Found NUPN structural information;
[2026-05-27 11:06:55] [INFO ] Parsed PT model containing 920 places and 1057 transitions and 2627 arcs in 512 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 38 ms.
Working with output stream class java.io.PrintStream
FORMULA FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (630 resets) in 2964 ms. (13 steps per ms) remains 10/13 properties
FORMULA FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40003 steps (76 resets) in 464 ms. (86 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (78 resets) in 277 ms. (143 steps per ms) remains 10/10 properties
[2026-05-27 11:06:56] [INFO ] Flatten gal took : 422 ms
BEST_FIRST walk for 40003 steps (75 resets) in 152 ms. (261 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (76 resets) in 212 ms. (187 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (77 resets) in 228 ms. (174 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (77 resets) in 231 ms. (172 steps per ms) remains 10/10 properties
[2026-05-27 11:06:56] [INFO ] Flatten gal took : 238 ms
[2026-05-27 11:06:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2464553061669177583.gal : 121 ms
[2026-05-27 11:06:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2728805155334736775.prop : 3 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2464553061669177583.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2728805155334736775.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
BEST_FIRST walk for 40003 steps (77 resets) in 1334 ms. (29 steps per ms) remains 9/10 properties
FORMULA FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-13 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Loading property file /tmp/ReachabilityCardinality2728805155334736775.prop.
BEST_FIRST walk for 40002 steps (77 resets) in 1566 ms. (25 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (78 resets) in 457 ms. (87 steps per ms) remains 9/9 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17823595937182889815.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5532802087187885213.kers'
[2026-05-27 11:06:57] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17823595937182889815.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5532802087187885213.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 1057 rows 920 cols 2627 entries
Finished phase 1 with 910 SingleSign rule and 0 generalized
[2026-05-27 11:06:57] [INFO ] Computed 10 invariants in 7 ms
Computed 10 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-5532802087187885213.kers
Total runtime 11 ms.
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :10 after 32
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :32 after 584
SDD proceeding with computation,10 properties remain. new max is 64
SDD size :584 after 13855
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/112 variables, 112/112 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/112 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Problem FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-08 is UNSAT
FORMULA FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-08 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 796/908 variables, 9/121 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/908 variables, 796/917 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/908 variables, 0/917 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 12/920 variables, 1/918 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/920 variables, 12/930 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/920 variables, 0/930 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 8 (OVERLAPS) 1057/1977 variables, 920/1850 constraints. Problems are: Problem set: 1 solved, 8 unsolved
Invariant property FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-13 does not hold.
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :13855 after 7.97705e+06
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :7.97705e+06 after 4.59478e+09
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :4.59478e+09 after 1.24059e+11
At refinement iteration 9 (INCLUDED_ONLY) 0/1977 variables, 0/1850 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 10 (OVERLAPS) 0/1977 variables, 0/1850 constraints. Problems are: Problem set: 1 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1977/1977 variables, and 1850 constraints, problems are : Problem set: 1 solved, 8 unsolved in 3871 ms.
Refiners :[Domain max(s): 920/920 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 920/920 constraints, PredecessorRefiner: 9/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 106/106 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 0/106 constraints. Problems are: Problem set: 1 solved, 8 unsolved
Problem FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-12 is UNSAT
FORMULA FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-12 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 802/908 variables, 9/115 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/908 variables, 802/917 constraints. Problems are: Problem set: 2 solved, 7 unsolved
SMT process timed out in 9182ms, After SMT, problems are : Problem set: 2 solved, 7 unsolved
Fused 7 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 75 out of 920 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 920/920 places, 1057/1057 transitions.
Graph (trivial) has 787 edges and 920 vertex of which 44 / 920 are part of one of the 7 SCC in 17 ms
Free SCC test removed 37 places
Drop transitions (Empty/Sink Transition effects.) removed 45 transitions
Reduce isomorphic transitions removed 45 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 192 transitions
Trivial Post-agglo rules discarded 192 transitions
Performed 192 trivial Post agglomeration. Transition count delta: 192
Iterating post reduction 0 with 192 rules applied. Total rules applied 193 place count 883 transition count 820
Reduce places removed 192 places and 0 transitions.
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Iterating post reduction 1 with 207 rules applied. Total rules applied 400 place count 691 transition count 805
Reduce places removed 15 places and 0 transitions.
Iterating post reduction 2 with 15 rules applied. Total rules applied 415 place count 676 transition count 805
Performed 38 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 38 Pre rules applied. Total rules applied 415 place count 676 transition count 767
Deduced a syphon composed of 38 places in 2 ms
Reduce places removed 38 places and 0 transitions.
Iterating global reduction 3 with 76 rules applied. Total rules applied 491 place count 638 transition count 767
Discarding 268 places :
Symmetric choice reduction at 3 with 268 rule applications. Total rules 759 place count 370 transition count 499
Iterating global reduction 3 with 268 rules applied. Total rules applied 1027 place count 370 transition count 499
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 1027 place count 370 transition count 495
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 1035 place count 366 transition count 495
Discarding 28 places :
Symmetric choice reduction at 3 with 28 rule applications. Total rules 1063 place count 338 transition count 467
Iterating global reduction 3 with 28 rules applied. Total rules applied 1091 place count 338 transition count 467
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 3 with 19 rules applied. Total rules applied 1110 place count 338 transition count 448
Performed 44 Post agglomeration using F-continuation condition.Transition count delta: 44
Deduced a syphon composed of 44 places in 1 ms
Reduce places removed 44 places and 0 transitions.
Iterating global reduction 4 with 88 rules applied. Total rules applied 1198 place count 294 transition count 404
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 4 with 9 rules applied. Total rules applied 1207 place count 294 transition count 395
Discarding 3 places :
Symmetric choice reduction at 5 with 3 rule applications. Total rules 1210 place count 291 transition count 392
Iterating global reduction 5 with 3 rules applied. Total rules applied 1213 place count 291 transition count 392
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -10
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 5 with 4 rules applied. Total rules applied 1217 place count 289 transition count 402
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 5 with 2 rules applied. Total rules applied 1219 place count 289 transition count 400
Free-agglomeration rule applied 138 times.
Iterating global reduction 5 with 138 rules applied. Total rules applied 1357 place count 289 transition count 262
Reduce places removed 138 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 5 with 147 rules applied. Total rules applied 1504 place count 151 transition count 253
Drop transitions (Redundant composition of simpler transitions.) removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 6 with 9 rules applied. Total rules applied 1513 place count 151 transition count 244
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 6 with 4 rules applied. Total rules applied 1517 place count 151 transition count 244
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 1518 place count 151 transition count 244
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 6 with 1 rules applied. Total rules applied 1519 place count 150 transition count 243
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Remove reverse transitions (loop back) rule discarded transition t2.t3.t4.t917.t505.t506.t484.t485 and 1 places that fell out of Prefix Of Interest.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Graph (trivial) has 36 edges and 148 vertex of which 4 / 148 are part of one of the 2 SCC in 0 ms
Free SCC test removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 6 with 7 rules applied. Total rules applied 1526 place count 146 transition count 237
Reduce places removed 4 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 7 with 9 rules applied. Total rules applied 1535 place count 142 transition count 232
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 1536 place count 141 transition count 232
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 9 with 6 Pre rules applied. Total rules applied 1536 place count 141 transition count 226
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 9 with 12 rules applied. Total rules applied 1548 place count 135 transition count 226
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 9 with 5 rules applied. Total rules applied 1553 place count 135 transition count 221
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 10 with 14 rules applied. Total rules applied 1567 place count 128 transition count 214
Free-agglomeration rule applied 6 times.
Iterating global reduction 10 with 6 rules applied. Total rules applied 1573 place count 128 transition count 208
Reduce places removed 6 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 7 rules applied. Total rules applied 1580 place count 122 transition count 207
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 11 with 1 rules applied. Total rules applied 1581 place count 122 transition count 206
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 11 with 2 rules applied. Total rules applied 1583 place count 121 transition count 205
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 12 with 3 rules applied. Total rules applied 1586 place count 121 transition count 205
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 12 with 2 rules applied. Total rules applied 1588 place count 121 transition count 203
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 12 with 1 rules applied. Total rules applied 1589 place count 121 transition count 203
Applied a total of 1589 rules in 457 ms. Remains 121 /920 variables (removed 799) and now considering 203/1057 (removed 854) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 468 ms. Remains : 121/920 places, 203/1057 transitions.
RANDOM walk for 40000 steps (8 resets) in 290 ms. (137 steps per ms) remains 6/7 properties
FORMULA FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40001 steps (8 resets) in 212 ms. (187 steps per ms) remains 4/6 properties
FORMULA FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-09 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-03 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (8 resets) in 107 ms. (370 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (8 resets) in 173 ms. (229 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 256 ms. (155 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 166 ms. (239 steps per ms) remains 4/4 properties
[2026-05-27 11:07:07] [INFO ] Flow matrix only has 188 transitions (discarded 15 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14234408739745484995.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2067300932151249326.kers'
[2026-05-27 11:07:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14234408739745484995.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2067300932151249326.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 188 rows 121 cols 440 entries
Finished phase 1 with 112 SingleSign rule and 0 generalized
[2026-05-27 11:07:07] [INFO ] Computed 9 invariants in 0 ms
Computed 9 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-2067300932151249326.kers
Total runtime 2 ms.
[2026-05-27 11:07:07] [INFO ] State equation strengthened by 62 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 51/121 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/121 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 188/309 variables, 121/130 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/309 variables, 62/192 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/309 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/309 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 309/309 variables, and 192 constraints, problems are : Problem set: 0 solved, 4 unsolved in 252 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 121/121 constraints, ReadFeed: 62/62 constraints, PredecessorRefiner: 4/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 51/121 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-10 is UNSAT
FORMULA FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-10 FALSE TECHNIQUES SMT_REFINEMENT
Problem FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-14 is UNSAT
FORMULA FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-14 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (INCLUDED_ONLY) 0/121 variables, 2/11 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/121 variables, 0/11 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 188/309 variables, 121/132 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/309 variables, 62/194 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/309 variables, 2/196 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/309 variables, 1/197 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/309 variables, 0/197 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/309 variables, 0/197 constraints. Problems are: Problem set: 2 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 309/309 variables, and 197 constraints, problems are : Problem set: 2 solved, 2 unsolved in 542 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 121/121 constraints, ReadFeed: 62/62 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 829ms problems are : Problem set: 2 solved, 2 unsolved
FORMULA FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-04 FALSE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 1066 steps, including 69 resets, run visited all 1 properties in 5 ms. (steps per millisecond=213 )
FORMULA FlexibleBarrier-PT-08b-ReachabilityCardinality-2024-07 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 2 properties in 26 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 14131 ms.

BK_STOP 1779880028706

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityCardinality -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-08b"
export BK_EXAMINATION="ReachabilityCardinality"
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 2-5973"
echo " Executing tool itstools"
echo " Input is FlexibleBarrier-PT-08b, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r130-smll-177955809100350"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-08b.tgz
mv FlexibleBarrier-PT-08b execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;