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-177946902800002.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-H04T0R, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r056-smll-177946902800002
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 612K
-rw-r--r-- 1 mcc users 8.3K Mar 6 10:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 97K Mar 6 10:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 6 10:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K Mar 6 10:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 07:56 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 07:56 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 07:56 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:56 LTLFireability.xml
-rw-r--r-- 1 mcc users 18K Mar 6 10:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 198K Mar 6 10:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.7K Mar 6 10:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K Mar 6 10:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:56 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:56 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 61K 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 1779472523293

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-H04T0R
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-22 17:55:25] [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 17:55:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 17:55:26] [INFO ] Load time of PNML (sax parser for PT used): 167 ms
[2026-05-22 17:55:26] [INFO ] Transformed 219 places.
[2026-05-22 17:55:26] [INFO ] Transformed 274 transitions.
[2026-05-22 17:55:26] [INFO ] Found NUPN structural information;
[2026-05-22 17:55:26] [INFO ] Parsed PT model containing 219 places and 274 transitions and 666 arcs in 407 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 219/219 places, 274/274 transitions.
Graph (trivial) has 219 edges and 219 vertex of which 44 / 219 are part of one of the 6 SCC in 15 ms
Free SCC test removed 38 places
Ensure Unique test removed 44 transitions
Reduce isomorphic transitions removed 44 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 81 transitions
Trivial Post-agglo rules discarded 81 transitions
Performed 81 trivial Post agglomeration. Transition count delta: 81
Iterating post reduction 0 with 81 rules applied. Total rules applied 82 place count 181 transition count 149
Reduce places removed 81 places and 0 transitions.
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 1 with 99 rules applied. Total rules applied 181 place count 100 transition count 131
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 190 place count 91 transition count 131
Performed 54 Post agglomeration using F-continuation condition.Transition count delta: 54
Deduced a syphon composed of 54 places in 0 ms
Reduce places removed 54 places and 0 transitions.
Iterating global reduction 3 with 108 rules applied. Total rules applied 298 place count 37 transition count 77
Applied a total of 298 rules in 116 ms. Remains 37 /219 variables (removed 182) and now considering 77/274 (removed 197) transitions.
[2026-05-22 17:55:26] [INFO ] Flow matrix only has 42 transitions (discarded 35 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17475602662579623610.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4285941199814634461.kers'
[2026-05-22 17:55:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17475602662579623610.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4285941199814634461.kers]
Normalized transition count is 41 out of 42 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 41 rows 37 cols 112 entries
Finished phase 1 with 26 SingleSign rule and 0 generalized
[2026-05-22 17:55:26] [INFO ] Computed 11 invariants in 0 ms
Computed 11 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-4285941199814634461.kers
Total runtime 2 ms.
[2026-05-22 17:55:27] [INFO ] Implicit Places using invariants in 452 ms returned []
[2026-05-22 17:55:27] [INFO ] Flow matrix only has 42 transitions (discarded 35 similar events)
[2026-05-22 17:55:27] [INFO ] Invariant cache hit.
[2026-05-22 17:55:27] [INFO ] State equation strengthened by 15 read => feed constraints.
[2026-05-22 17:55:27] [INFO ] Implicit Places using invariants and state equation in 222 ms returned []
Implicit Place search using SMT with State Equation took 749 ms to find 0 implicit places.
Running 76 sub problems to find dead transitions.
[2026-05-22 17:55:27] [INFO ] Flow matrix only has 42 transitions (discarded 35 similar events)
[2026-05-22 17:55:27] [INFO ] Invariant cache hit.
[2026-05-22 17:55:27] [INFO ] State equation strengthened by 15 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 2 (OVERLAPS) 1/37 variables, 11/47 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/37 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 5 (OVERLAPS) 41/78 variables, 37/85 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/78 variables, 14/99 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/78 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 8 (OVERLAPS) 1/79 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/79 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 10 (OVERLAPS) 0/79 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 76 unsolved
No progress, stopping.
After SMT solving in domain Real declared 79/79 variables, and 100 constraints, problems are : Problem set: 0 solved, 76 unsolved in 3700 ms.
Refiners :[Domain max(s): 37/37 constraints, Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 37/37 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 76/76 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 76 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 2 (OVERLAPS) 1/37 variables, 11/47 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/37 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 5 (OVERLAPS) 41/78 variables, 37/85 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/78 variables, 14/99 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/78 variables, 76/175 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/78 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 9 (OVERLAPS) 1/79 variables, 1/176 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/79 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 76 unsolved
At refinement iteration 11 (OVERLAPS) 0/79 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 76 unsolved
No progress, stopping.
After SMT solving in domain Int declared 79/79 variables, and 176 constraints, problems are : Problem set: 0 solved, 76 unsolved in 4535 ms.
Refiners :[Domain max(s): 37/37 constraints, Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 37/37 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 76/76 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8346ms problems are : Problem set: 0 solved, 76 unsolved
Search for dead transitions found 0 dead transitions in 8373ms
Starting structural reductions in LIVENESS mode, iteration 1 : 37/219 places, 77/274 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 9310 ms. Remains : 37/219 places, 77/274 transitions.
Discarding 29 transitions out of 77. Remains 48
Initial state reduction rules removed 1 formulas.
RANDOM walk for 10814 steps (536 resets) in 579 ms. (18 steps per ms) remains 0/47 properties
[2026-05-22 17:55:36] [INFO ] Flatten gal took : 67 ms
[2026-05-22 17:55:36] [INFO ] Flatten gal took : 25 ms
[2026-05-22 17:55:36] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality498443226340167979.gal : 15 ms
[2026-05-22 17:55:36] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8599484700891884142.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/ReachabilityCardinality498443226340167979.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8599484700891884142.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 48 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 10443 ms.

BK_STOP 1779472536446

--------------------
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-H04T0R"
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-H04T0R, 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-177946902800002"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Champagne-PT-H04T0R.tgz
mv Champagne-PT-H04T0R 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 ;