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.r098-tall-177955695500423.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 DLCflexbar-PT-3b, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695500423
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.9M
-rw-r--r-- 1 mcc users 7.5K Mar 6 15:34 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K Mar 6 15:34 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Mar 6 15:34 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Mar 6 15:34 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:17 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 09:17 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 09:17 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:17 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 6 15:34 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 111K Mar 6 15:34 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Mar 6 15:34 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 48K Mar 6 15:34 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:17 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:17 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 2.5M 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 DLCflexbar-PT-3b-ReachabilityFireability-2024-00
FORMULA_NAME DLCflexbar-PT-3b-ReachabilityFireability-2024-01
FORMULA_NAME DLCflexbar-PT-3b-ReachabilityFireability-2024-02
FORMULA_NAME DLCflexbar-PT-3b-ReachabilityFireability-2024-03
FORMULA_NAME DLCflexbar-PT-3b-ReachabilityFireability-2024-04
FORMULA_NAME DLCflexbar-PT-3b-ReachabilityFireability-2024-05
FORMULA_NAME DLCflexbar-PT-3b-ReachabilityFireability-2024-06
FORMULA_NAME DLCflexbar-PT-3b-ReachabilityFireability-2024-07
FORMULA_NAME DLCflexbar-PT-3b-ReachabilityFireability-2024-08
FORMULA_NAME DLCflexbar-PT-3b-ReachabilityFireability-2024-09
FORMULA_NAME DLCflexbar-PT-3b-ReachabilityFireability-2024-10
FORMULA_NAME DLCflexbar-PT-3b-ReachabilityFireability-2024-11
FORMULA_NAME DLCflexbar-PT-3b-ReachabilityFireability-2024-12
FORMULA_NAME DLCflexbar-PT-3b-ReachabilityFireability-2024-13
FORMULA_NAME DLCflexbar-PT-3b-ReachabilityFireability-2024-14
FORMULA_NAME DLCflexbar-PT-3b-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779610696506

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DLCflexbar-PT-3b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-24 08:18:17] [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]
[2026-05-24 08:18:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 08:18:18] [INFO ] Load time of PNML (sax parser for PT used): 323 ms
[2026-05-24 08:18:19] [INFO ] Transformed 7245 places.
[2026-05-24 08:18:19] [INFO ] Transformed 10555 transitions.
[2026-05-24 08:18:19] [INFO ] Found NUPN structural information;
[2026-05-24 08:18:19] [INFO ] Parsed PT model containing 7245 places and 10555 transitions and 28284 arcs in 2065 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 15 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (8 resets) in 2650 ms. (15 steps per ms) remains 10/16 properties
FORMULA DLCflexbar-PT-3b-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-3b-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-3b-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-3b-ReachabilityFireability-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-3b-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-3b-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 206 ms. (193 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 802 ms. (49 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1049 ms. (38 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 174 ms. (228 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 182 ms. (218 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 196 ms. (203 steps per ms) remains 10/10 properties
[2026-05-24 08:18:21] [INFO ] Flatten gal took : 657 ms
BEST_FIRST walk for 40004 steps (8 resets) in 150 ms. (264 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 154 ms. (258 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 125 ms. (317 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 268 ms. (148 steps per ms) remains 10/10 properties
[2026-05-24 08:18:22] [INFO ] Flatten gal took : 350 ms
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7584677230020395937.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1854709332192156311.kers'
[2026-05-24 08:18:22] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7584677230020395937.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1854709332192156311.kers]
Culled 0 columns in 6 ms.
// Phase 1: matrix 10555 rows 7245 cols 28284 entries
[2026-05-24 08:18:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10385947283239628742.gal : 196 ms
Finished phase 1 with 6890 SingleSign rule and 0 generalized
[2026-05-24 08:18:22] [INFO ] Computed 355 invariants in 128 ms
Computed 355 P flows in 130 ms.
[2026-05-24 08:18:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12395800623920768673.prop : 2 ms
Exported basis to /tmp/petrispot-output-1854709332192156311.kers
Total runtime 142 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/ReachabilityCardinality10385947283239628742.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12395800623920768673.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 ...330
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 120/120 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Loading property file /tmp/ReachabilityCardinality12395800623920768673.prop.
At refinement iteration 2 (OVERLAPS) 5197/5317 variables, 218/338 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5317 variables, 5197/5535 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5317/17800 variables, and 5535 constraints, problems are : Problem set: 0 solved, 10 unsolved in 5068 ms.
Refiners :[Domain max(s): 5317/7245 constraints, Positive P Invariants (semi-flows): 218/355 constraints, State Equation: 0/7245 constraints, PredecessorRefiner: 10/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/120 variables, 120/120 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/120 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (OVERLAPS) 5197/5317 variables, 218/338 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5317 variables, 5197/5535 constraints. Problems are: Problem set: 0 solved, 10 unsolved
SMT process timed out in 14598ms, After SMT, problems are : Problem set: 0 solved, 10 unsolved
Fused 10 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 120 out of 7245 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 7245/7245 places, 10555/10555 transitions.
Graph (trivial) has 6554 edges and 7245 vertex of which 623 / 7245 are part of one of the 43 SCC in 22 ms
Free SCC test removed 580 places
Drop transitions (Empty/Sink Transition effects.) removed 654 transitions
Reduce isomorphic transitions removed 654 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3264 transitions
Trivial Post-agglo rules discarded 3264 transitions
Performed 3264 trivial Post agglomeration. Transition count delta: 3264
Iterating post reduction 0 with 3264 rules applied. Total rules applied 3265 place count 6665 transition count 6637
Reduce places removed 3264 places and 0 transitions.
Ensure Unique test removed 94 transitions
Reduce isomorphic transitions removed 94 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 87 transitions
Trivial Post-agglo rules discarded 87 transitions
Performed 87 trivial Post agglomeration. Transition count delta: 87
Iterating post reduction 1 with 3445 rules applied. Total rules applied 6710 place count 3401 transition count 6456
Reduce places removed 87 places and 0 transitions.
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 22 transitions
Trivial Post-agglo rules discarded 22 transitions
Performed 22 trivial Post agglomeration. Transition count delta: 22
Iterating post reduction 2 with 132 rules applied. Total rules applied 6842 place count 3314 transition count 6411
Reduce places removed 22 places and 0 transitions.
Performed 52 Post agglomeration using F-continuation condition.Transition count delta: 52
Iterating post reduction 3 with 74 rules applied. Total rules applied 6916 place count 3292 transition count 6359
Reduce places removed 52 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 4 with 55 rules applied. Total rules applied 6971 place count 3240 transition count 6356
Performed 76 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 76 Pre rules applied. Total rules applied 6971 place count 3240 transition count 6280
Deduced a syphon composed of 76 places in 59 ms
Reduce places removed 76 places and 0 transitions.
Iterating global reduction 5 with 152 rules applied. Total rules applied 7123 place count 3164 transition count 6280
Discarding 850 places :
Symmetric choice reduction at 5 with 850 rule applications. Total rules 7973 place count 2314 transition count 5430
Iterating global reduction 5 with 850 rules applied. Total rules applied 8823 place count 2314 transition count 5430
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
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 5 with 11 rules applied. Total rules applied 8834 place count 2314 transition count 5419
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 5 rules applied. Total rules applied 8839 place count 2310 transition count 5418
Performed 330 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 330 Pre rules applied. Total rules applied 8839 place count 2310 transition count 5088
Deduced a syphon composed of 330 places in 45 ms
Reduce places removed 330 places and 0 transitions.
Iterating global reduction 7 with 660 rules applied. Total rules applied 9499 place count 1980 transition count 5088
Discarding 63 places :
Symmetric choice reduction at 7 with 63 rule applications. Total rules 9562 place count 1917 transition count 4338
Iterating global reduction 7 with 63 rules applied. Total rules applied 9625 place count 1917 transition count 4338
Ensure Unique test removed 51 transitions
Reduce isomorphic transitions removed 51 transitions.
Iterating post reduction 7 with 51 rules applied. Total rules applied 9676 place count 1917 transition count 4287
Performed 472 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 472 places in 3 ms
Reduce places removed 472 places and 0 transitions.
Iterating global reduction 8 with 944 rules applied. Total rules applied 10620 place count 1445 transition count 3814
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 10622 place count 1445 transition count 3812
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 10623 place count 1444 transition count 3778
Iterating global reduction 9 with 1 rules applied. Total rules applied 10624 place count 1444 transition count 3778
Performed 101 Post agglomeration using F-continuation condition with reduction of 85 identical transitions.
Deduced a syphon composed of 101 places in 1 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 9 with 202 rules applied. Total rules applied 10826 place count 1343 transition count 4307
Drop transitions (Empty/Sink Transition effects.) removed 13 transitions
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 9 with 19 rules applied. Total rules applied 10845 place count 1343 transition count 4288
Discarding 23 places :
Symmetric choice reduction at 10 with 23 rule applications. Total rules 10868 place count 1320 transition count 4057
Iterating global reduction 10 with 23 rules applied. Total rules applied 10891 place count 1320 transition count 4057
Ensure Unique test removed 83 transitions
Reduce isomorphic transitions removed 83 transitions.
Iterating post reduction 10 with 83 rules applied. Total rules applied 10974 place count 1320 transition count 3974
Performed 28 Post agglomeration using F-continuation condition.Transition count delta: -261
Deduced a syphon composed of 28 places in 1 ms
Reduce places removed 28 places and 0 transitions.
Iterating global reduction 11 with 56 rules applied. Total rules applied 11030 place count 1292 transition count 4235
Drop transitions (Empty/Sink Transition effects.) removed 49 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 11 with 49 rules applied. Total rules applied 11079 place count 1292 transition count 4186
Drop transitions (Redundant composition of simpler transitions.) removed 62 transitions
Redundant transition composition rules discarded 62 transitions
Iterating global reduction 12 with 62 rules applied. Total rules applied 11141 place count 1292 transition count 4124
Discarding 1 places :
Symmetric choice reduction at 12 with 1 rule applications. Total rules 11142 place count 1291 transition count 4123
Iterating global reduction 12 with 1 rules applied. Total rules applied 11143 place count 1291 transition count 4123
Discarding 1 places :
Symmetric choice reduction at 12 with 1 rule applications. Total rules 11144 place count 1290 transition count 4086
Iterating global reduction 12 with 1 rules applied. Total rules applied 11145 place count 1290 transition count 4086
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 12 with 1 rules applied. Total rules applied 11146 place count 1290 transition count 4085
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 2 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 13 with 8 rules applied. Total rules applied 11154 place count 1286 transition count 4081
Discarding 4 places :
Symmetric choice reduction at 13 with 4 rule applications. Total rules 11158 place count 1282 transition count 3932
Iterating global reduction 13 with 4 rules applied. Total rules applied 11162 place count 1282 transition count 3932
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 13 with 4 rules applied. Total rules applied 11166 place count 1282 transition count 3928
Free-agglomeration rule applied 644 times with reduction of 290 identical transitions.
Iterating global reduction 14 with 644 rules applied. Total rules applied 11810 place count 1282 transition count 2994
Reduce places removed 644 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 863 transitions
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 870 transitions.
Graph (complete) has 2378 edges and 638 vertex of which 632 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.2 ms
Discarding 6 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Iterating post reduction 14 with 1515 rules applied. Total rules applied 13325 place count 632 transition count 2122
Drop transitions (Empty/Sink Transition effects.) removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 15 with 18 rules applied. Total rules applied 13343 place count 632 transition count 2104
Discarding 14 places :
Symmetric choice reduction at 16 with 14 rule applications. Total rules 13357 place count 618 transition count 2056
Iterating global reduction 16 with 14 rules applied. Total rules applied 13371 place count 618 transition count 2056
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 16 with 2 rules applied. Total rules applied 13373 place count 618 transition count 2054
Drop transitions (Redundant composition of simpler transitions.) removed 113 transitions
Redundant transition composition rules discarded 113 transitions
Iterating global reduction 17 with 113 rules applied. Total rules applied 13486 place count 618 transition count 1941
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 17 with 1 rules applied. Total rules applied 13487 place count 617 transition count 1941
Discarding 21 places :
Symmetric choice reduction at 18 with 21 rule applications. Total rules 13508 place count 596 transition count 1885
Iterating global reduction 18 with 21 rules applied. Total rules applied 13529 place count 596 transition count 1885
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 18 with 2 rules applied. Total rules applied 13531 place count 595 transition count 1884
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 18 with 1 rules applied. Total rules applied 13532 place count 595 transition count 1883
Free-agglomeration rule applied 1 times.
Iterating global reduction 18 with 1 rules applied. Total rules applied 13533 place count 595 transition count 1882
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 25 transitions
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 30 transitions.
Iterating post reduction 18 with 31 rules applied. Total rules applied 13564 place count 594 transition count 1852
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 19 with 2 rules applied. Total rules applied 13566 place count 594 transition count 1889
Reduce places removed 2 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 19 with 28 rules applied. Total rules applied 13594 place count 592 transition count 1863
Discarding 1 places :
Symmetric choice reduction at 20 with 1 rule applications. Total rules 13595 place count 591 transition count 1849
Iterating global reduction 20 with 1 rules applied. Total rules applied 13596 place count 591 transition count 1849
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 20 with 6 rules applied. Total rules applied 13602 place count 591 transition count 1843
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 20 with 4 rules applied. Total rules applied 13606 place count 591 transition count 1843
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 20 with 2 rules applied. Total rules applied 13608 place count 591 transition count 1841
Applied a total of 13608 rules in 2676 ms. Remains 591 /7245 variables (removed 6654) and now considering 1841/10555 (removed 8714) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2682 ms. Remains : 591/7245 places, 1841/10555 transitions.
RANDOM walk for 40000 steps (8 resets) in 2401 ms. (16 steps per ms) remains 2/10 properties
FORMULA DLCflexbar-PT-3b-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-3b-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-3b-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-3b-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-3b-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-3b-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-3b-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-3b-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 304 ms. (131 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 203 ms. (196 steps per ms) remains 2/2 properties
[2026-05-24 08:18:40] [INFO ] Flow matrix only has 802 transitions (discarded 1039 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9531033878580979389.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6297397713968725849.kers'
[2026-05-24 08:18:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9531033878580979389.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6297397713968725849.kers]
Culling duplicate invariants (modulo rational): removing 197 columns.
Culled 197 columns in 1 ms.
// Phase 1: matrix 802 rows 394 cols 3592 entries
Finished phase 1 with 273 SingleSign rule and 0 generalized
[2026-05-24 08:18:40] [INFO ] Computed 318 invariants in 5 ms
Computed 318 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-6297397713968725849.kers
Total runtime 8 ms.
[2026-05-24 08:18:40] [INFO ] State equation strengthened by 234 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/47 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 232/279 variables, 85/85 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/279 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 115/394 variables, 36/121 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/394 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 197/591 variables, 197/318 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/591 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 802/1393 variables, 591/909 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1393 variables, 234/1143 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1393 variables, 0/1143 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/1393 variables, 0/1143 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1393/1393 variables, and 1143 constraints, problems are : Problem set: 0 solved, 2 unsolved in 641 ms.
Refiners :[Positive P Invariants (semi-flows): 121/121 constraints, Generalized P Invariants (flows): 197/197 constraints, State Equation: 591/591 constraints, ReadFeed: 234/234 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/47 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 232/279 variables, 85/85 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/279 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 115/394 variables, 36/121 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/394 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 197/591 variables, 197/318 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/591 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 802/1393 variables, 591/909 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1393 variables, 234/1143 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1393 variables, 0/1143 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/1393 variables, 0/1143 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1393/1393 variables, and 1143 constraints, problems are : Problem set: 0 solved, 2 unsolved in 903 ms.
Refiners :[Positive P Invariants (semi-flows): 121/121 constraints, Generalized P Invariants (flows): 197/197 constraints, State Equation: 591/591 constraints, ReadFeed: 234/234 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1598ms problems are : Problem set: 0 solved, 2 unsolved
Finished Parikh walk after 80 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=40 )
FORMULA DLCflexbar-PT-3b-ReachabilityFireability-2024-11 FALSE TECHNIQUES PARIKH_WALK
FORMULA DLCflexbar-PT-3b-ReachabilityFireability-2024-06 FALSE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 2 properties in 12 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 24074 ms.

BK_STOP 1779610721811

--------------------
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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /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="DLCflexbar-PT-3b"
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 2-5973"
echo " Executing tool itstools"
echo " Input is DLCflexbar-PT-3b, 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 r098-tall-177955695500423"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCflexbar-PT-3b.tgz
mv DLCflexbar-PT-3b 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 ;