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-177946841700079.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-V50P20N20, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r034-tall-177946841700079
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 556K
-rw-r--r-- 1 mcc users 8.6K Mar 5 08:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Mar 5 08:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.5K Mar 5 08:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K Mar 5 08:54 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 4.3K Mar 15 07:34 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 07:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Mar 15 07:34 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 07:34 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 5 08:57 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 116K Mar 5 08:57 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K Mar 5 08:56 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 100K Mar 5 08:56 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Mar 15 07:34 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 15 07:34 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 42K 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-V50P20N20-ReachabilityFireability-2024-00
FORMULA_NAME BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-01
FORMULA_NAME BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-02
FORMULA_NAME BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-03
FORMULA_NAME BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-04
FORMULA_NAME BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-05
FORMULA_NAME BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-06
FORMULA_NAME BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-07
FORMULA_NAME BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-08
FORMULA_NAME BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-09
FORMULA_NAME BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-10
FORMULA_NAME BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-11
FORMULA_NAME BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-12
FORMULA_NAME BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-13
FORMULA_NAME BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-14
FORMULA_NAME BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779497203298

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-COL-V50P20N20
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
ReachabilityFireability COL
Running Version 202604301425
[2026-05-23 00:46:44] [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]
[2026-05-23 00:46:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 00:46:44] [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 00:46:44] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-23 00:46:45] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 544 ms
[2026-05-23 00:46:45] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 138 PT places and 218878.0 transition bindings in 16 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 20 ms.
Reduction of identical properties reduced properties to check from 16 to 13
Working with output stream class java.io.PrintStream
FORMULA BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-23 00:46:45] [INFO ] Built PT skeleton of HLPN with 15 places and 11 transitions 56 arcs in 5 ms.
[2026-05-23 00:46:45] [INFO ] Skeletonized 11 HLPN properties in 1 ms.
Remains 1 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.3 ms
Initial state reduction rules removed 1 formulas.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
Skeleton over-approximation was not fine enough to positively prove more properties of the HLPN.
Arc [1:1*[(MOD (ADD $cA 1) 51)]] contains successor/predecessor on variables of sort voitureA
Arc [6:1*[(MOD (ADD (MOD (MINUS $cB 1) 51) 51) 51)]] contains successor/predecessor on variables of sort voitureB
Arc [13:1*[(MOD (ADD $cpt 1) 21)]] 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 00:46:45] [INFO ] Unfolded HLPN to a Petri net with 138 places and 2348 transitions 18090 arcs in 113 ms.
[2026-05-23 00:46:45] [INFO ] Unfolded 11 HLPN properties in 16 ms.
Initial state reduction rules removed 1 formulas.
FORMULA BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-23 00:46:46] [INFO ] Flatten gal took : 524 ms
[2026-05-23 00:46:47] [INFO ] Flatten gal took : 256 ms
[2026-05-23 00:46:47] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15170596886853535475.gal : 113 ms
[2026-05-23 00:46:47] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7066659874498127091.prop : 156 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/ReachabilityCardinality15170596886853535475.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7066659874498127091.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 ...329
Loading property file /tmp/ReachabilityCardinality7066659874498127091.prop.
RANDOM walk for 40000 steps (92 resets) in 10121 ms. (3 steps per ms) remains 4/10 properties
FORMULA BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 31973 steps (20 resets) in 20009 ms. (1 steps per ms) remains 4/4 properties
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :6 after 19
BEST_FIRST walk for 40002 steps (40 resets) in 5787 ms. (6 steps per ms) remains 4/4 properties
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :19 after 42
BEST_FIRST walk for 40001 steps (36 resets) in 3510 ms. (11 steps per ms) remains 4/4 properties
SDD proceeding with computation,10 properties remain. new max is 64
SDD size :42 after 132
BEST_FIRST walk for 40004 steps (40 resets) in 6049 ms. (6 steps per ms) remains 4/4 properties
[2026-05-23 00:46:57] [INFO ] Flow matrix only has 290 transitions (discarded 2058 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7549900925298078036.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16550808388635181709.kers'
[2026-05-23 00:46:57] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7549900925298078036.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16550808388635181709.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 290 rows 138 cols 1450 entries
Finished phase 1 with 31 SingleSign rule and 100 generalized
[2026-05-23 00:46:57] [INFO ] Computed 7 invariants in 1 ms
Computed 7 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-16550808388635181709.kers
Total runtime 6 ms.
[2026-05-23 00:46:57] [INFO ] State equation strengthened by 42 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Problem BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-02 is UNSAT
FORMULA BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-02 TRUE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-07 is UNSAT
FORMULA BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-07 TRUE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-00 is UNSAT
FORMULA BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-00 TRUE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-03 is UNSAT
FORMULA BridgeAndVehicles-COL-V50P20N20-ReachabilityFireability-2024-03 FALSE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Real declared 136/428 variables, and 5 constraints, problems are : Problem set: 4 solved, 0 unsolved in 389 ms.
Refiners :[Positive P Invariants (semi-flows): 5/7 constraints, State Equation: 0/138 constraints, ReadFeed: 0/42 constraints, PredecessorRefiner: 0/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 579ms problems are : Problem set: 4 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
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 13740 ms.

BK_STOP 1779497218196

--------------------
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="BridgeAndVehicles-COL-V50P20N20"
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 BridgeAndVehicles-COL-V50P20N20, 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 r034-tall-177946841700079"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V50P20N20.tgz
mv BridgeAndVehicles-COL-V50P20N20 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 ;