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-177961110000027.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 HypertorusGrid-PT-d2k3p2b04, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r168-smll-177961110000027
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 576K
-rw-r--r-- 1 mcc users 9.4K Mar 7 17:09 CTLCardinality.txt
-rw-r--r-- 1 mcc users 86K Mar 7 17:09 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.8K Mar 7 17:08 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Mar 7 17:08 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.7K Mar 15 10:58 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 10:58 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K Mar 15 10:58 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 10:58 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 7 17:10 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 111K Mar 7 17:10 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 16K Mar 7 17:10 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 103K Mar 7 17:10 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Mar 15 10:58 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 15 10:58 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 79K 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 1779700905970

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=HypertorusGrid-PT-d2k3p2b04
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-25 09:21:48] [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 09:21:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 09:21:48] [INFO ] Load time of PNML (sax parser for PT used): 129 ms
[2026-05-25 09:21:48] [INFO ] Transformed 117 places.
[2026-05-25 09:21:48] [INFO ] Transformed 144 transitions.
[2026-05-25 09:21:48] [INFO ] Parsed PT model containing 117 places and 144 transitions and 576 arcs in 334 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 117/117 places, 144/144 transitions.
Applied a total of 0 rules in 24 ms. Remains 117 /117 variables (removed 0) and now considering 144/144 (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-2473135733279450593.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6731011499548868554.kers'
[2026-05-25 09:21:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2473135733279450593.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6731011499548868554.kers]
Culling duplicate invariants (modulo rational): removing 36 columns.
Culled 36 columns in 0 ms.
// Phase 1: matrix 144 rows 81 cols 432 entries
Finished phase 1 with 71 SingleSign rule and 0 generalized
[2026-05-25 09:21:49] [INFO ] Computed 46 invariants in 1 ms
Computed 46 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-6731011499548868554.kers
Total runtime 3 ms.
[2026-05-25 09:21:49] [INFO ] Implicit Places using invariants in 618 ms returned []
[2026-05-25 09:21:49] [INFO ] Invariant cache hit.
[2026-05-25 09:21:50] [INFO ] Implicit Places using invariants and state equation in 468 ms returned []
Implicit Place search using SMT with State Equation took 1156 ms to find 0 implicit places.
Running 108 sub problems to find dead transitions.
[2026-05-25 09:21:50] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 1 (OVERLAPS) 72/117 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/117 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 3 (OVERLAPS) 144/261 variables, 117/163 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/261 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 5 (OVERLAPS) 0/261 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 108 unsolved
No progress, stopping.
After SMT solving in domain Real declared 261/261 variables, and 163 constraints, problems are : Problem set: 0 solved, 108 unsolved in 5605 ms.
Refiners :[Positive P Invariants (semi-flows): 46/46 constraints, State Equation: 117/117 constraints, PredecessorRefiner: 108/108 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 108 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 1 (OVERLAPS) 72/117 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/117 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 3 (OVERLAPS) 144/261 variables, 117/163 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/261 variables, 108/271 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/261 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 6 (OVERLAPS) 0/261 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 108 unsolved
No progress, stopping.
After SMT solving in domain Int declared 261/261 variables, and 271 constraints, problems are : Problem set: 0 solved, 108 unsolved in 10679 ms.
Refiners :[Positive P Invariants (semi-flows): 46/46 constraints, State Equation: 117/117 constraints, PredecessorRefiner: 108/108 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 16490ms problems are : Problem set: 0 solved, 108 unsolved
Search for dead transitions found 0 dead transitions in 16515ms
Finished structural reductions in LIVENESS mode , in 1 iterations and 17776 ms. Remains : 117/117 places, 144/144 transitions.
Discarding 72 transitions out of 144. Remains 72
Initial state reduction rules removed 36 formulas.
RANDOM walk for 835 steps (0 resets) in 223 ms. (3 steps per ms) remains 0/36 properties
[2026-05-25 09:22:07] [INFO ] Flatten gal took : 101 ms
[2026-05-25 09:22:07] [INFO ] Flatten gal took : 36 ms
[2026-05-25 09:22:07] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5998098346237830451.gal : 24 ms
[2026-05-25 09:22:07] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7764479129444913595.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/ReachabilityCardinality5998098346237830451.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7764479129444913595.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
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 tools runner thread asked to quit. Dying gracefully.
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.ensureOpen(BufferedInputStream.java:206)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:411)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:405)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:350)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:393)
at java.base/sun.nio.cs.StreamDecoder.lockedRead(StreamDecoder.java:217)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:171)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:188)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:160)
at java.base/java.io.BufferedReader.implReadLine(BufferedReader.java:370)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:347)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:436)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:1583)
Able to resolve query QuasiLiveness after proving 72 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 18806 ms.

BK_STOP 1779700927310

--------------------
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="HypertorusGrid-PT-d2k3p2b04"
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 HypertorusGrid-PT-d2k3p2b04, 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-177961110000027"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HypertorusGrid-PT-d2k3p2b04.tgz
mv HypertorusGrid-PT-d2k3p2b04 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 ;