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.r040-tall-177946844500052.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-V50P20N50, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r040-tall-177946844500052
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 528K
-rw-r--r-- 1 mcc users 5.9K Mar 5 08:30 CTLCardinality.txt
-rw-r--r-- 1 mcc users 50K Mar 5 08:30 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Mar 5 08:30 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Mar 5 08:30 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.4K Mar 15 07:34 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 07:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Mar 15 07:35 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:35 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 5 08:33 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 133K Mar 5 08:33 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K Mar 5 08:33 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 108K Mar 5 08:33 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Mar 15 07:35 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 07:35 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 44K 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

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1779479952823

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=BridgeAndVehicles-COL-V50P20N50
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
QuasiLiveness COL
Running Version 202604301425
[2026-05-22 19:59:14] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-22 19:59:14] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 19:59:14] [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.
[2026-05-22 19:59:14] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-22 19:59:14] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 571 ms
[2026-05-22 19:59:14] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 168 PT places and 531118.0 transition bindings in 20 ms.
[2026-05-22 19:59:14] [INFO ] Unfolded HLPN to a Petri net with 168 places and 5408 transitions 42330 arcs in 110 ms.
[2026-05-22 19:59:14] [INFO ] Unfolded 11 HLPN properties in 1 ms.
Initial state reduction rules removed 3 formulas.
[2026-05-22 19:59:16] [INFO ] Flatten gal took : 637 ms
[2026-05-22 19:59:16] [INFO ] Flatten gal took : 495 ms
[2026-05-22 19:59:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17853458585219845513.gal : 208 ms
[2026-05-22 19:59:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4740897430418558757.prop : 85 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/ReachabilityCardinality17853458585219845513.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4740897430418558757.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
RANDOM walk for 40001 steps (92 resets) in 10627 ms. (3 steps per ms) remains 1/8 properties
Loading property file /tmp/ReachabilityCardinality4740897430418558757.prop.
BEST_FIRST walk for 40002 steps (28 resets) in 9538 ms. (4 steps per ms) remains 1/1 properties
[2026-05-22 19:59:20] [INFO ] Flow matrix only has 410 transitions (discarded 4998 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12251130346351752302.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3799230143864561292.kers'
[2026-05-22 19:59:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12251130346351752302.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3799230143864561292.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 410 rows 168 cols 1930 entries
Finished phase 1 with 61 SingleSign rule and 100 generalized
[2026-05-22 19:59:20] [INFO ] Computed 7 invariants in 1 ms
Computed 7 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-3799230143864561292.kers
Total runtime 3 ms.
[2026-05-22 19:59:20] [INFO ] State equation strengthened by 102 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/103 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 56/159 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Reachability property qltransition_10 is true.
At refinement iteration 3 (INCLUDED_ONLY) 0/159 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 408/567 variables, 159/163 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,7 properties remain. new max is 2
SDD size :1 after 6
At refinement iteration 5 (INCLUDED_ONLY) 0/567 variables, 102/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,7 properties remain. new max is 4
SDD size :6 after 12
At refinement iteration 6 (INCLUDED_ONLY) 0/567 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/576 variables, 7/272 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/576 variables, 1/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,7 properties remain. new max is 8
SDD size :12 after 22
SDD proceeding with computation,7 properties remain. new max is 16
SDD size :22 after 40
At refinement iteration 9 (INCLUDED_ONLY) 0/576 variables, 1/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/576 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 2/578 variables, 2/276 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/578 variables, 2/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/578 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/578 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 578/578 variables, and 278 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2586 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 168/168 constraints, ReadFeed: 102/102 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,7 properties remain. new max is 32
SDD size :40 after 74
At refinement iteration 1 (INCLUDED_ONLY) 0/103 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 56/159 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/159 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 408/567 variables, 159/163 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/567 variables, 102/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/567 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/576 variables, 7/272 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/576 variables, 1/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/576 variables, 1/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/576 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 2/578 variables, 2/276 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Reachability property qltransition_8 is true.
Reachability property qltransition_3 is true.
At refinement iteration 12 (INCLUDED_ONLY) 0/578 variables, 2/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/578 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/578 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
SDD proceeding with computation,5 properties remain. new max is 32
SDD size :74 after 205
After SMT solving in domain Int declared 578/578 variables, and 278 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1315 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 168/168 constraints, ReadFeed: 102/102 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4014ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 645 steps, including 78 resets, run visited all 1 properties in 54 ms. (steps per millisecond=11 )
Parikh walk visited 1 properties in 61 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 11 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 10608 ms.

BK_STOP 1779479964670

--------------------
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
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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 QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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-V50P20N50"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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-V50P20N50, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r040-tall-177946844500052"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V50P20N50.tgz
mv BridgeAndVehicles-COL-V50P20N50 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;