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-177946902800017.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-H05T0R, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r056-smll-177946902800017
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 508K
-rw-r--r-- 1 mcc users 6.6K Mar 6 10:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Mar 6 10:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Mar 6 10:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 6 10:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K Mar 15 07:57 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 07:57 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 07:57 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 07:57 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 10:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 120K Mar 6 10:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Mar 6 10:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 6 10:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:57 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:57 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 87K 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 1779472664000

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-H05T0R
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-22 17:57:46] [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 17:57:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 17:57:46] [INFO ] Load time of PNML (sax parser for PT used): 161 ms
[2026-05-22 17:57:46] [INFO ] Transformed 299 places.
[2026-05-22 17:57:46] [INFO ] Transformed 386 transitions.
[2026-05-22 17:57:46] [INFO ] Found NUPN structural information;
[2026-05-22 17:57:46] [INFO ] Parsed PT model containing 299 places and 386 transitions and 966 arcs in 350 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 299/299 places, 386/386 transitions.
Graph (trivial) has 295 edges and 299 vertex of which 44 / 299 are part of one of the 6 SCC in 13 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 117 transitions
Trivial Post-agglo rules discarded 117 transitions
Performed 117 trivial Post agglomeration. Transition count delta: 117
Iterating post reduction 0 with 117 rules applied. Total rules applied 118 place count 261 transition count 225
Reduce places removed 117 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 143 rules applied. Total rules applied 261 place count 144 transition count 199
Reduce places removed 13 places and 0 transitions.
Iterating post reduction 2 with 13 rules applied. Total rules applied 274 place count 131 transition count 199
Performed 78 Post agglomeration using F-continuation condition.Transition count delta: 78
Deduced a syphon composed of 78 places in 0 ms
Reduce places removed 78 places and 0 transitions.
Iterating global reduction 3 with 156 rules applied. Total rules applied 430 place count 53 transition count 121
Applied a total of 430 rules in 107 ms. Remains 53 /299 variables (removed 246) and now considering 121/386 (removed 265) transitions.
[2026-05-22 17:57:46] [INFO ] Flow matrix only has 62 transitions (discarded 59 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7620045307480014977.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6701697520518905983.kers'
[2026-05-22 17:57:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7620045307480014977.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6701697520518905983.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 17:57:47] [INFO ] Computed 15 invariants in 0 ms
Computed 15 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-6701697520518905983.kers
Total runtime 2 ms.
[2026-05-22 17:57:47] [INFO ] Implicit Places using invariants in 480 ms returned []
[2026-05-22 17:57:47] [INFO ] Flow matrix only has 62 transitions (discarded 59 similar events)
[2026-05-22 17:57:47] [INFO ] Invariant cache hit.
[2026-05-22 17:57:47] [INFO ] State equation strengthened by 23 read => feed constraints.
[2026-05-22 17:57:47] [INFO ] Implicit Places using invariants and state equation in 227 ms returned []
Implicit Place search using SMT with State Equation took 789 ms to find 0 implicit places.
Running 120 sub problems to find dead transitions.
[2026-05-22 17:57:47] [INFO ] Flow matrix only has 62 transitions (discarded 59 similar events)
[2026-05-22 17:57:47] [INFO ] Invariant cache hit.
[2026-05-22 17:57:47] [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, 120 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 2 (OVERLAPS) 1/53 variables, 15/67 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/53 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 5 (OVERLAPS) 61/114 variables, 53/121 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/114 variables, 22/143 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/114 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 8 (OVERLAPS) 1/115 variables, 1/144 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/115 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 10 (OVERLAPS) 0/115 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 120 unsolved
No progress, stopping.
After SMT solving in domain Real declared 115/115 variables, and 144 constraints, problems are : Problem set: 0 solved, 120 unsolved in 8535 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: 120/120 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 120 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 52/52 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 2 (OVERLAPS) 1/53 variables, 15/67 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/53 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 5 (OVERLAPS) 61/114 variables, 53/121 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/114 variables, 22/143 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/114 variables, 120/263 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/114 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 9 (OVERLAPS) 1/115 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/115 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 11 (OVERLAPS) 0/115 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 120 unsolved
No progress, stopping.
After SMT solving in domain Int declared 115/115 variables, and 264 constraints, problems are : Problem set: 0 solved, 120 unsolved in 7309 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: 120/120 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 15958ms problems are : Problem set: 0 solved, 120 unsolved
Search for dead transitions found 0 dead transitions in 15981ms
Starting structural reductions in LIVENESS mode, iteration 1 : 53/299 places, 121/386 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 16940 ms. Remains : 53/299 places, 121/386 transitions.
Discarding 41 transitions out of 121. Remains 80
Initial state reduction rules removed 1 formulas.
RANDOM walk for 27307 steps (970 resets) in 1009 ms. (27 steps per ms) remains 0/79 properties
[2026-05-22 17:58:04] [INFO ] Flatten gal took : 85 ms
[2026-05-22 17:58:04] [INFO ] Flatten gal took : 43 ms
[2026-05-22 17:58:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2858387133660476215.gal : 13 ms
[2026-05-22 17:58:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10011903636764348773.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/ReachabilityCardinality2858387133660476215.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10011903636764348773.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 ...329
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 18044 ms.

BK_STOP 1779472684413

--------------------
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-H05T0R"
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-H05T0R, 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-177946902800017"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Champagne-PT-H05T0R.tgz
mv Champagne-PT-H05T0R 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 ;