fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r034-tall-177946841800134
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for BridgeAndVehicles-COL-V80P20N50

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
4385.243 60991.00 139539.00 456.60 TTTFFTTFTTTFTFFT normal

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.r034-tall-177946841800134.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)
..................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is BridgeAndVehicles-COL-V80P20N50, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r034-tall-177946841800134
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 492K
-rw-r--r-- 1 mcc users 8.6K Mar 5 07:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Mar 5 07:50 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Mar 5 07:49 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K Mar 5 07:49 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 4.4K Mar 15 07:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 07:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Mar 15 07:37 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 07:37 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 5 07:58 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 105K Mar 5 07:58 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.7K Mar 5 07:57 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 67K Mar 5 07:57 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Mar 15 07:37 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 15 07:37 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 10 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 47K 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 BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-00
FORMULA_NAME BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-01
FORMULA_NAME BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-02
FORMULA_NAME BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-03
FORMULA_NAME BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-04
FORMULA_NAME BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-05
FORMULA_NAME BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-06
FORMULA_NAME BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-07
FORMULA_NAME BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-08
FORMULA_NAME BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-09
FORMULA_NAME BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-10
FORMULA_NAME BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-11
FORMULA_NAME BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-12
FORMULA_NAME BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-13
FORMULA_NAME BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-14
FORMULA_NAME BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779518992770

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-COL-V80P20N50
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
ReachabilityCardinality COL
Running Version 202604301425
[2026-05-23 06:49:53] [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]
[2026-05-23 06:49:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 06:49:54] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2026-05-23 06:49:54] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-23 06:49:54] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 611 ms
[2026-05-23 06:49:54] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 228 PT places and 1339138.0 transition bindings in 20 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 28 ms.
Working with output stream class java.io.PrintStream
[2026-05-23 06:49:54] [INFO ] Built PT skeleton of HLPN with 15 places and 11 transitions 56 arcs in 5 ms.
[2026-05-23 06:49:54] [INFO ] Skeletonized 16 HLPN properties in 2 ms.
Remains 16 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Computed a total of 9 stabilizing places and 6 stable transitions
Graph (complete) has 22 edges and 12 vertex of which 10 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.6 ms
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
[2026-05-23 06:49:54] [INFO ] Flatten gal took : 48 ms
[2026-05-23 06:49:54] [INFO ] Flatten gal took : 3 ms
[2026-05-23 06:49:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14553716350252805973.gal : 6 ms
[2026-05-23 06:49:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17626506726375688662.prop : 7 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/ReachabilityCardinality14553716350252805973.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17626506726375688662.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
Loading property file /tmp/ReachabilityCardinality17626506726375688662.prop.
SDD proceeding with computation,15 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,15 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,15 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,15 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,15 properties remain. new max is 64
SDD size :36 after 69
Invariant property BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-07 does not hold.
Invariant property BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-03 does not hold.
SDD proceeding with computation,13 properties remain. new max is 64
SDD size :69 after 4374
RANDOM walk for 40000 steps (8 resets) in 1527 ms. (26 steps per ms) remains 11/15 properties
BEST_FIRST walk for 40001 steps (8 resets) in 344 ms. (115 steps per ms) remains 10/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 388 ms. (102 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 135 ms. (294 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 188 ms. (211 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 102 ms. (388 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (8 resets) in 174 ms. (228 steps per ms) remains 9/10 properties
BEST_FIRST walk for 40002 steps (8 resets) in 156 ms. (254 steps per ms) remains 9/9 properties
Reachability property BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-08 is true.
Reachability property BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-06 is true.
SDD proceeding with computation,11 properties remain. new max is 64
SDD size :4374 after 236925
BEST_FIRST walk for 40004 steps (8 resets) in 128 ms. (310 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 738 ms. (54 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 137 ms. (289 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-16443796526412080375.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16930597579447269045.kers'
[2026-05-23 06:49:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16443796526412080375.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16930597579447269045.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 10 rows 12 cols 28 entries
Finished phase 1 with 8 SingleSign rule and 0 generalized
[2026-05-23 06:49:56] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16930597579447269045.kers
Total runtime 1 ms.
Problem BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-00 is UNSAT
Problem BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-01 is UNSAT
Problem BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-02 is UNSAT
Problem BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-04 is UNSAT
Problem BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-10 is UNSAT
Problem BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-11 is UNSAT
Problem BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-14 is UNSAT
Problem BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-15 is UNSAT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 4/4 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 10/22 variables, 12/16 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/22 variables, 0/16 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 0/22 variables, 0/16 constraints. Problems are: Problem set: 8 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 16 constraints, problems are : Problem set: 8 solved, 1 unsolved in 126 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 8 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 2/2 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 3/9 variables, 1/3 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/15 variables, 9/12 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/12 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 6/21 variables, 2/14 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/21 variables, 1/15 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/21 variables, 0/15 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/22 variables, 1/16 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/22 variables, 1/17 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/22 variables, 0/17 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/22 variables, 0/17 constraints. Problems are: Problem set: 8 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 17 constraints, problems are : Problem set: 8 solved, 1 unsolved in 89 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 1/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 271ms problems are : Problem set: 8 solved, 1 unsolved
Finished Parikh walk after 243 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=243 )
Parikh walk visited 1 properties in 5 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
[2026-05-23 06:49:56] [INFO ] Flatten gal took : 2 ms
[2026-05-23 06:49:56] [INFO ] Flatten gal took : 1 ms
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
[2026-05-23 06:49:56] [INFO ] Flatten gal took : 2 ms
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2026-05-23 06:49:56] [INFO ] Flatten gal took : 1 ms
[2026-05-23 06:49:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7358115166154100867.gal : 1 ms
[2026-05-23 06:49:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7000099647100813098.prop : 0 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/ReachabilityCardinality7358115166154100867.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7000099647100813098.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
ITS runner timed out or was interrupted.
Loading property file /tmp/ReachabilityCardinality7000099647100813098.prop.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,5,0.002348,3920,2,21,5,62,6,0,55,27,0
Total reachable state count : 5

ITS tools runner thread asked to quit. Dying gracefully.
FORMULA BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-00 TRUE TECHNIQUES CPN_APPROX
FORMULA BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-01 TRUE TECHNIQUES CPN_APPROX
FORMULA BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-02 TRUE TECHNIQUES CPN_APPROX
FORMULA BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-04 FALSE TECHNIQUES CPN_APPROX
FORMULA BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-10 TRUE TECHNIQUES CPN_APPROX
FORMULA BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-11 FALSE TECHNIQUES CPN_APPROX
FORMULA BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-13 FALSE TECHNIQUES CPN_APPROX
FORMULA BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-14 FALSE TECHNIQUES CPN_APPROX
FORMULA BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-15 TRUE TECHNIQUES CPN_APPROX
Arc [1:1*[(MOD (ADD $cA 1) 81)]] contains successor/predecessor on variables of sort voitureA
Arc [6:1*[(MOD (ADD (MOD (MINUS $cB 1) 81) 81) 81)]] contains successor/predecessor on variables of sort voitureB
Arc [13:1*[(MOD (ADD $cpt 1) 51)]] contains successor/predecessor on variables of sort compteur
Arc [14:1*[(MOD (ADD $s 1) 2)]] contains successor/predecessor on variables of sort sens
[2026-05-23 06:49:56] [INFO ] Unfolded HLPN to a Petri net with 228 places and 8588 transitions 67470 arcs in 321 ms.
[2026-05-23 06:49:56] [INFO ] Unfolded 16 HLPN properties in 9 ms.
RANDOM walk for 40000 steps (56 resets) in 3261 ms. (12 steps per ms) remains 3/7 properties
FORMULA BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (18 resets) in 782 ms. (51 steps per ms) remains 1/3 properties
FORMULA BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-06 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-05 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2026-05-23 06:49:58] [INFO ] Flatten gal took : 842 ms
BEST_FIRST walk for 40003 steps (20 resets) in 823 ms. (48 steps per ms) remains 1/1 properties
[2026-05-23 06:49:58] [INFO ] Flow matrix only has 530 transitions (discarded 8058 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17351624114561259495.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-317360407483910050.kers'
[2026-05-23 06:49:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17351624114561259495.kers, --Pflows, --basisKERS=/tmp/petrispot-output-317360407483910050.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 530 rows 228 cols 2590 entries
Finished phase 1 with 61 SingleSign rule and 160 generalized
[2026-05-23 06:49:58] [INFO ] Computed 7 invariants in 2 ms
Computed 7 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-317360407483910050.kers
Total runtime 3 ms.
[2026-05-23 06:49:58] [INFO ] State equation strengthened by 102 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/9 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/15 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2026-05-23 06:49:58] [INFO ] Flatten gal took : 359 ms
At refinement iteration 5 (OVERLAPS) 530/545 variables, 15/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/545 variables, 102/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/545 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2026-05-23 06:49:58] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8093899674023218353.gal : 139 ms
[2026-05-23 06:49:58] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8293504265340597918.prop : 1 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/ReachabilityCardinality8093899674023218353.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8293504265340597918.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
At refinement iteration 8 (OVERLAPS) 213/758 variables, 213/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/758 variables, 3/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/758 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/758 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 758/758 variables, and 337 constraints, problems are : Problem set: 0 solved, 1 unsolved in 337 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 228/228 constraints, ReadFeed: 102/102 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
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/9 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/15 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 530/545 variables, 15/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/545 variables, 102/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/545 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 213/758 variables, 213/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/758 variables, 3/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/758 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/758 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 758/758 variables, and 337 constraints, problems are : Problem set: 0 solved, 1 unsolved in 649 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 228/228 constraints, ReadFeed: 102/102 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1069ms problems are : Problem set: 0 solved, 1 unsolved
Loading property file /tmp/ReachabilityCardinality8293504265340597918.prop.
Parikh walk visited 0 properties in 1133 ms.
Support contains 5 out of 228 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 228/228 places, 8588/8588 transitions.
Graph (complete) has 2202 edges and 228 vertex of which 226 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.26 ms
Discarding 2 places :
Also discarding 0 output transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 225 transition count 8587
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 225 transition count 8587
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :6 after 16
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :16 after 34
Applied a total of 3 rules in 2744 ms. Remains 225 /228 variables (removed 3) and now considering 8587/8588 (removed 1) transitions.
Running 8584 sub problems to find dead transitions.
[2026-05-23 06:50:03] [INFO ] Flow matrix only has 529 transitions (discarded 8058 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16453881275867719901.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11073991837696028884.kers'
[2026-05-23 06:50:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16453881275867719901.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11073991837696028884.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 529 rows 224 cols 2425 entries
Finished phase 1 with 220 SingleSign rule and 0 generalized
[2026-05-23 06:50:03] [INFO ] Computed 5 invariants in 2 ms
Computed 5 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-11073991837696028884.kers
Total runtime 3 ms.
[2026-05-23 06:50:03] [INFO ] State equation strengthened by 102 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :34 after 68
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :68 after 134
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :134 after 325
At refinement iteration 0 (INCLUDED_ONLY) 0/225 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 8584 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 225/754 variables, and 5 constraints, problems are : Problem set: 0 solved, 8584 unsolved in 20137 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/225 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 8584/261 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8584 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/225 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 8584 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 225/754 variables, and 5 constraints, problems are : Problem set: 0 solved, 8584 unsolved in 20161 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/225 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 8323/261 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 49554ms problems are : Problem set: 0 solved, 8584 unsolved
Search for dead transitions found 0 dead transitions in 49602ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52432 ms. Remains : 225/228 places, 8587/8588 transitions.
RANDOM walk for 40002 steps (56 resets) in 1500 ms. (26 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (20 resets) in 602 ms. (66 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 820 steps, run visited all 1 properties in 132 ms. (steps per millisecond=6 )
Probabilistic random walk after 820 steps, saw 609 distinct states, run finished after 136 ms. (steps per millisecond=6 ) properties seen :1
FORMULA BridgeAndVehicles-COL-V80P20N50-ReachabilityCardinality-2024-09 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
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 59791 ms.

BK_STOP 1779519053761

--------------------
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="BridgeAndVehicles-COL-V80P20N50"
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 BridgeAndVehicles-COL-V80P20N50, 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 r034-tall-177946841800134"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V80P20N50.tgz
mv BridgeAndVehicles-COL-V80P20N50 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 ;