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.r056-smll-177946902800027.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 Champagne-PT-H05T2O, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r056-smll-177946902800027
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 636K
-rw-r--r-- 1 mcc users 7.7K Mar 6 10:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 86K Mar 6 10:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 6 10:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 6 10:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:58 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 07:58 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 07:58 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 07:58 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 6 10:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 151K Mar 6 10:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.8K Mar 6 10:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K Mar 6 10:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:58 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:58 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 149K 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 1779472768623

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Champagne-PT-H05T2O
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-22 17:59:30] [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 17:59:30] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 17:59:30] [INFO ] Load time of PNML (sax parser for PT used): 166 ms
[2026-05-22 17:59:30] [INFO ] Transformed 569 places.
[2026-05-22 17:59:30] [INFO ] Transformed 686 transitions.
[2026-05-22 17:59:30] [INFO ] Found NUPN structural information;
[2026-05-22 17:59:30] [INFO ] Parsed PT model containing 569 places and 686 transitions and 1566 arcs in 350 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 569/569 places, 686/686 transitions.
Graph (trivial) has 595 edges and 569 vertex of which 301 / 569 are part of one of the 15 SCC in 14 ms
Free SCC test removed 286 places
Ensure Unique test removed 313 transitions
Reduce isomorphic transitions removed 313 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 139 transitions
Trivial Post-agglo rules discarded 139 transitions
Performed 139 trivial Post agglomeration. Transition count delta: 139
Iterating post reduction 0 with 139 rules applied. Total rules applied 140 place count 283 transition count 234
Reduce places removed 139 places and 0 transitions.
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 13 transitions
Trivial Post-agglo rules discarded 13 transitions
Performed 13 trivial Post agglomeration. Transition count delta: 13
Iterating post reduction 1 with 165 rules applied. Total rules applied 305 place count 144 transition count 208
Reduce places removed 13 places and 0 transitions.
Iterating post reduction 2 with 13 rules applied. Total rules applied 318 place count 131 transition count 208
Performed 78 Post agglomeration using F-continuation condition.Transition count delta: 78
Deduced a syphon composed of 78 places in 1 ms
Reduce places removed 78 places and 0 transitions.
Iterating global reduction 3 with 156 rules applied. Total rules applied 474 place count 53 transition count 130
Applied a total of 474 rules in 126 ms. Remains 53 /569 variables (removed 516) and now considering 130/686 (removed 556) transitions.
[2026-05-22 17:59:31] [INFO ] Flow matrix only has 62 transitions (discarded 68 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13672714724998867002.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14705289980348217616.kers'
[2026-05-22 17:59:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13672714724998867002.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14705289980348217616.kers]
Normalized transition count is 61 out of 62 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 61 rows 53 cols 164 entries
Finished phase 1 with 38 SingleSign rule and 0 generalized
[2026-05-22 17:59:31] [INFO ] Computed 15 invariants in 0 ms
Computed 15 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-14705289980348217616.kers
Total runtime 2 ms.
[2026-05-22 17:59:31] [INFO ] Implicit Places using invariants in 443 ms returned []
[2026-05-22 17:59:31] [INFO ] Flow matrix only has 62 transitions (discarded 68 similar events)
[2026-05-22 17:59:31] [INFO ] Invariant cache hit.
[2026-05-22 17:59:31] [INFO ] State equation strengthened by 23 read => feed constraints.
[2026-05-22 17:59:31] [INFO ] Implicit Places using invariants and state equation in 264 ms returned []
Implicit Place search using SMT with State Equation took 770 ms to find 0 implicit places.
Running 129 sub problems to find dead transitions.
[2026-05-22 17:59:31] [INFO ] Flow matrix only has 62 transitions (discarded 68 similar events)
[2026-05-22 17:59:31] [INFO ] Invariant cache hit.
[2026-05-22 17:59:31] [INFO ] State equation strengthened by 23 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 52/52 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (OVERLAPS) 1/53 variables, 15/67 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/53 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 61/114 variables, 53/121 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/114 variables, 22/143 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/114 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 8 (OVERLAPS) 1/115 variables, 1/144 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/115 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 10 (OVERLAPS) 0/115 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 129 unsolved
No progress, stopping.
After SMT solving in domain Real declared 115/115 variables, and 144 constraints, problems are : Problem set: 0 solved, 129 unsolved in 8486 ms.
Refiners :[Domain max(s): 53/53 constraints, Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 53/53 constraints, ReadFeed: 23/23 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 129 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 52/52 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (OVERLAPS) 1/53 variables, 15/67 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/53 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 61/114 variables, 53/121 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/114 variables, 22/143 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/114 variables, 129/272 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/114 variables, 0/272 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 9 (OVERLAPS) 1/115 variables, 1/273 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/115 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 11 (OVERLAPS) 0/115 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 129 unsolved
No progress, stopping.
After SMT solving in domain Int declared 115/115 variables, and 273 constraints, problems are : Problem set: 0 solved, 129 unsolved in 8323 ms.
Refiners :[Domain max(s): 53/53 constraints, Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 53/53 constraints, ReadFeed: 23/23 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 16963ms problems are : Problem set: 0 solved, 129 unsolved
Search for dead transitions found 0 dead transitions in 16999ms
Starting structural reductions in LIVENESS mode, iteration 1 : 53/569 places, 130/686 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 17962 ms. Remains : 53/569 places, 130/686 transitions.
Discarding 50 transitions out of 130. Remains 80
Initial state reduction rules removed 1 formulas.
RANDOM walk for 31975 steps (1129 resets) in 1140 ms. (28 steps per ms) remains 0/79 properties
[2026-05-22 17:59:49] [INFO ] Flatten gal took : 80 ms
[2026-05-22 17:59:49] [INFO ] Flatten gal took : 33 ms
[2026-05-22 17:59:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17391351248170565788.gal : 13 ms
[2026-05-22 17:59:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9729920974334944002.prop : 0 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/ReachabilityCardinality17391351248170565788.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9729920974334944002.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 80 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 19058 ms.

BK_STOP 1779472789688

--------------------
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="Champagne-PT-H05T2O"
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 Champagne-PT-H05T2O, 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 r056-smll-177946902800027"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Champagne-PT-H05T2O.tgz
mv Champagne-PT-H05T2O 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 ;