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.r120-smll-177955742400122.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 Echo-PT-d04r03, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r120-smll-177955742400122
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 5.4K Mar 7 05:21 CTLCardinality.txt
-rw-r--r-- 1 mcc users 53K Mar 7 05:21 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Mar 7 05:21 CTLFireability.txt
-rw-r--r-- 1 mcc users 73K Mar 7 05:21 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:45 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 09:45 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 09:45 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:45 LTLFireability.xml
-rw-r--r-- 1 mcc users 19K Mar 7 05:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 215K Mar 7 05:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.8K Mar 7 05:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 66K Mar 7 05:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:45 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:45 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 530K 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 1779571267959

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Echo-PT-d04r03
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-23 21:21:10] [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]
[2026-05-23 21:21:10] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 21:21:11] [INFO ] Load time of PNML (sax parser for PT used): 389 ms
[2026-05-23 21:21:11] [INFO ] Transformed 1019 places.
[2026-05-23 21:21:11] [INFO ] Transformed 850 transitions.
[2026-05-23 21:21:11] [INFO ] Found NUPN structural information;
[2026-05-23 21:21:11] [INFO ] Parsed PT model containing 1019 places and 850 transitions and 6340 arcs in 624 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1019/1019 places, 850/850 transitions.
Reduce places removed 81 places and 0 transitions.
Iterating post reduction 0 with 81 rules applied. Total rules applied 81 place count 938 transition count 850
Applied a total of 81 rules in 124 ms. Remains 938 /1019 variables (removed 81) and now considering 850/850 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4888432660024137364.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10765217218676468267.kers'
[2026-05-23 21:21:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4888432660024137364.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10765217218676468267.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 850 rows 938 cols 5915 entries
Finished phase 1 with 349 SingleSign rule and 157 generalized
[2026-05-23 21:21:12] [INFO ] Computed 432 invariants in 1148 ms
Computed 432 P flows in 1150 ms.
Exported basis to /tmp/petrispot-output-10765217218676468267.kers
Total runtime 1156 ms.
[2026-05-23 21:21:55] [INFO ] Performed 28/938 implicitness test of which 0 returned IMPLICIT in 37 seconds.
[2026-05-23 21:23:52] [INFO ] Implicit Places using invariants in 161402 ms returned []
[2026-05-23 21:23:52] [INFO ] Invariant cache hit.
[2026-05-23 21:26:32] [INFO ] Implicit Places using invariants and state equation in 160031 ms returned []
Implicit Place search using SMT with State Equation took 321503 ms to find 0 implicit places.
Running 849 sub problems to find dead transitions.
[2026-05-23 21:26:32] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/937 variables, 937/937 constraints. Problems are: Problem set: 0 solved, 849 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/937 variables, 87/1024 constraints. Problems are: Problem set: 0 solved, 849 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 937/1788 variables, and 1024 constraints, problems are : Problem set: 0 solved, 849 unsolved in 30075 ms.
Refiners :[Domain max(s): 937/938 constraints, Generalized P Invariants (flows): 87/432 constraints, State Equation: 0/938 constraints, PredecessorRefiner: 849/849 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 849 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/937 variables, 937/937 constraints. Problems are: Problem set: 0 solved, 849 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/937 variables, 87/1024 constraints. Problems are: Problem set: 0 solved, 849 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 937/1788 variables, and 1024 constraints, problems are : Problem set: 0 solved, 849 unsolved in 30031 ms.
Refiners :[Domain max(s): 937/938 constraints, Generalized P Invariants (flows): 87/432 constraints, State Equation: 0/938 constraints, PredecessorRefiner: 0/849 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60998ms problems are : Problem set: 0 solved, 849 unsolved
Search for dead transitions found 0 dead transitions in 61041ms
Starting structural reductions in LIVENESS mode, iteration 1 : 938/1019 places, 850/850 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 382758 ms. Remains : 938/1019 places, 850/850 transitions.
Initial state reduction rules removed 1 formulas.
[2026-05-23 21:27:34] [INFO ] Flatten gal took : 303 ms
[2026-05-23 21:27:35] [INFO ] Flatten gal took : 203 ms
[2026-05-23 21:27:35] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4179593334940755999.gal : 141 ms
[2026-05-23 21:27:35] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1906349786103283492.prop : 25 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/ReachabilityCardinality4179593334940755999.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1906349786103283492.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
RANDOM walk for 40000 steps (244 resets) in 4910 ms. (8 steps per ms) remains 0/849 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 850 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 385059 ms.

BK_STOP 1779571655528

--------------------
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="Echo-PT-d04r03"
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 Echo-PT-d04r03, 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 r120-smll-177955742400122"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Echo-PT-d04r03.tgz
mv Echo-PT-d04r03 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 ;