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.r168-smll-177961110000002.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 HypercubeGrid-PT-C3K4P4B12, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r168-smll-177961110000002
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.9M
-rw-r--r-- 1 mcc users 7.6K Mar 7 15:26 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K Mar 7 15:26 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Mar 7 15:25 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Mar 7 15:25 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.5K Mar 15 10:56 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 10:56 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.3K Mar 15 10:57 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 15 10:57 LTLFireability.xml
-rw-r--r-- 1 mcc users 21K Mar 7 15:27 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 188K Mar 7 15:27 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 18K Mar 7 15:27 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 115K Mar 7 15:27 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Mar 15 10:57 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 10:57 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 10 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rwxr-xr-x 1 mcc users 1.3M 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 1779698565631

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=HypercubeGrid-PT-C3K4P4B12
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-25 08:42:48] [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]
[2026-05-25 08:42:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 08:42:48] [INFO ] Load time of PNML (sax parser for PT used): 419 ms
[2026-05-25 08:42:48] [INFO ] Transformed 1408 places.
[2026-05-25 08:42:48] [INFO ] Transformed 2400 transitions.
[2026-05-25 08:42:48] [INFO ] Parsed PT model containing 1408 places and 2400 transitions and 9600 arcs in 659 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1408/1408 places, 2400/2400 transitions.
Applied a total of 0 rules in 77 ms. Remains 1408 /1408 variables (removed 0) and now considering 2400/2400 (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-1265685954926416590.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7977599095638749551.kers'
[2026-05-25 08:42:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1265685954926416590.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7977599095638749551.kers]
Culling duplicate invariants (modulo rational): removing 480 columns.
Culled 480 columns in 2 ms.
// Phase 1: matrix 2400 rows 928 cols 7104 entries
Finished phase 1 with 863 SingleSign rule and 0 generalized
[2026-05-25 08:42:49] [INFO ] Computed 545 invariants in 22 ms
Computed 545 P flows in 24 ms.
Exported basis to /tmp/petrispot-output-7977599095638749551.kers
Total runtime 27 ms.
[2026-05-25 08:42:54] [INFO ] Implicit Places using invariants in 4929 ms returned []
[2026-05-25 08:42:54] [INFO ] Invariant cache hit.
[2026-05-25 08:42:58] [INFO ] Implicit Places using invariants and state equation in 4434 ms returned []
Implicit Place search using SMT with State Equation took 9422 ms to find 0 implicit places.
Running 2016 sub problems to find dead transitions.
[2026-05-25 08:42:58] [INFO ] Invariant cache hit.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/640 variables, 96/96 constraints. Problems are: Problem set: 0 solved, 2016 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 640/3808 variables, and 96 constraints, problems are : Problem set: 0 solved, 2016 unsolved in 30175 ms.
Refiners :[Positive P Invariants (semi-flows): 96/545 constraints, State Equation: 0/1408 constraints, PredecessorRefiner: 2016/2016 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2016 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/640 variables, 96/96 constraints. Problems are: Problem set: 0 solved, 2016 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 640/3808 variables, and 96 constraints, problems are : Problem set: 0 solved, 2016 unsolved in 30056 ms.
Refiners :[Positive P Invariants (semi-flows): 96/545 constraints, State Equation: 0/1408 constraints, PredecessorRefiner: 0/2016 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62425ms problems are : Problem set: 0 solved, 2016 unsolved
Search for dead transitions found 0 dead transitions in 62496ms
Finished structural reductions in LIVENESS mode , in 1 iterations and 72102 ms. Remains : 1408/1408 places, 2400/2400 transitions.
Discarding 1536 transitions out of 2400. Remains 864
Initial state reduction rules removed 384 formulas.
[2026-05-25 08:44:02] [INFO ] Flatten gal took : 752 ms
[2026-05-25 08:44:02] [INFO ] Flatten gal took : 311 ms
[2026-05-25 08:44:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1765460899924171694.gal : 97 ms
[2026-05-25 08:44:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8421627913666669648.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/ReachabilityCardinality1765460899924171694.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8421627913666669648.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 20201 steps (5 resets) in 7432 ms. (2 steps per ms) remains 0/480 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 864 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 75144 ms.

BK_STOP 1779698643442

--------------------
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="HypercubeGrid-PT-C3K4P4B12"
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 HypercubeGrid-PT-C3K4P4B12, 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 r168-smll-177961110000002"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HypercubeGrid-PT-C3K4P4B12.tgz
mv HypercubeGrid-PT-C3K4P4B12 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 ;