Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r184-oct2-177969023200087.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 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 MedleyA-PT-06, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r184-oct2-177969023200087
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 380K
-rw-r--r-- 1 mcc users 6.8K Mar 7 18:18 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K Mar 7 18:18 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K Mar 7 18:18 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 7 18:18 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 11:26 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 11:26 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 11:26 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 15 11:26 LTLFireability.xml
-rw-r--r-- 1 mcc users 6.9K Mar 7 18:18 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 66K Mar 7 18:18 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Mar 7 18:18 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 41K Mar 7 18:18 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 15 11:26 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 11:26 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 33K 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 1779857387362

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=MedleyA-PT-06
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-27 04:49:48] [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]
[2026-05-27 04:49:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 04:49:49] [INFO ] Load time of PNML (sax parser for PT used): 92 ms
[2026-05-27 04:49:49] [INFO ] Transformed 124 places.
[2026-05-27 04:49:49] [INFO ] Transformed 118 transitions.
[2026-05-27 04:49:49] [INFO ] Found NUPN structural information;
[2026-05-27 04:49:49] [INFO ] Parsed PT model containing 124 places and 118 transitions and 372 arcs in 247 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 124/124 places, 118/118 transitions.
Discarding 6 places :
Implicit places reduction removed 6 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 118 transition count 112
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 18 place count 112 transition count 112
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 5 Pre rules applied. Total rules applied 18 place count 112 transition count 107
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 2 with 10 rules applied. Total rules applied 28 place count 107 transition count 107
Performed 40 Post agglomeration using F-continuation condition.Transition count delta: 40
Deduced a syphon composed of 40 places in 0 ms
Reduce places removed 40 places and 0 transitions.
Iterating global reduction 2 with 80 rules applied. Total rules applied 108 place count 67 transition count 67
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 120 place count 61 transition count 76
Applied a total of 120 rules in 66 ms. Remains 61 /124 variables (removed 63) and now considering 76/118 (removed 42) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15439072216908634794.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15965663410318949714.kers'
[2026-05-27 04:49:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15439072216908634794.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15965663410318949714.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 76 rows 61 cols 400 entries
Finished phase 1 with 29 SingleSign rule and 14 generalized
[2026-05-27 04:49:49] [INFO ] Computed 18 invariants in 0 ms
Computed 18 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-15965663410318949714.kers
Total runtime 2 ms.
[2026-05-27 04:49:49] [INFO ] Implicit Places using invariants in 335 ms returned [8, 12, 17, 23, 34, 40, 41]
[2026-05-27 04:49:49] [INFO ] Actually due to overlaps returned [40, 12, 8, 17, 23, 41]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 371 ms to find 6 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 55/124 places, 76/118 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 55 transition count 75
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 54 transition count 75
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 2 place count 54 transition count 72
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 8 place count 51 transition count 72
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 16 place count 47 transition count 68
Applied a total of 16 rules in 20 ms. Remains 47 /55 variables (removed 8) and now considering 68/76 (removed 8) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9048884745770450261.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14290391636003234340.kers'
[2026-05-27 04:49:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9048884745770450261.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14290391636003234340.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 68 rows 47 cols 339 entries
Finished phase 1 with 31 SingleSign rule and 4 generalized
[2026-05-27 04:49:49] [INFO ] Computed 12 invariants in 0 ms
Computed 12 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-14290391636003234340.kers
Total runtime 0 ms.
[2026-05-27 04:49:49] [INFO ] Implicit Places using invariants in 68 ms returned [26, 40]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 69 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 45/124 places, 68/118 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 45 transition count 66
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 43 transition count 66
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 41 transition count 64
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 10 place count 40 transition count 70
Applied a total of 10 rules in 4 ms. Remains 40 /45 variables (removed 5) and now considering 70/68 (removed -2) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7688191693099466753.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6647937462353637512.kers'
[2026-05-27 04:49:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7688191693099466753.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6647937462353637512.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 70 rows 40 cols 377 entries
Finished phase 1 with 28 SingleSign rule and 2 generalized
[2026-05-27 04:49:49] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6647937462353637512.kers
Total runtime 0 ms.
[2026-05-27 04:49:49] [INFO ] Implicit Places using invariants in 53 ms returned []
[2026-05-27 04:49:49] [INFO ] Invariant cache hit.
[2026-05-27 04:49:49] [INFO ] State equation strengthened by 15 read => feed constraints.
[2026-05-27 04:49:49] [INFO ] Implicit Places using invariants and state equation in 101 ms returned []
Implicit Place search using SMT with State Equation took 157 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 3 : 40/124 places, 70/118 transitions.
Finished structural reductions in LIVENESS mode , in 3 iterations and 708 ms. Remains : 40/124 places, 70/118 transitions.
Discarding 34 transitions out of 70. Remains 36
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (4461 resets) in 1658 ms. (24 steps per ms) remains 0/35 properties
[2026-05-27 04:49:50] [INFO ] Flatten gal took : 33 ms
[2026-05-27 04:49:50] [INFO ] Flatten gal took : 9 ms
[2026-05-27 04:49:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17629404126197955595.gal : 7 ms
[2026-05-27 04:49:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16249366582377686082.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/ReachabilityCardinality17629404126197955595.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16249366582377686082.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 36 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 1718 ms.

BK_STOP 1779857390701

--------------------
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="MedleyA-PT-06"
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 MedleyA-PT-06, 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 r184-oct2-177969023200087"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/MedleyA-PT-06.tgz
mv MedleyA-PT-06 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 ;