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.r136-smll-177955811000212.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 FlexibleBarrier-PT-08a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r136-smll-177955811000212
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 572K
-rw-r--r-- 1 mcc users 7.5K Mar 7 06:18 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Mar 7 06:18 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 7 06:14 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K Mar 7 06:14 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:11 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 10:11 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 10:11 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 10:11 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 7 06:18 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 159K Mar 7 06:18 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K Mar 7 06:18 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 74K Mar 7 06:18 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:11 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:11 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 64K 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 1779617680779

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FlexibleBarrier-PT-08a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-24 10:14:43] [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]
[2026-05-24 10:14:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 10:14:43] [INFO ] Load time of PNML (sax parser for PT used): 169 ms
[2026-05-24 10:14:43] [INFO ] Transformed 99 places.
[2026-05-24 10:14:43] [INFO ] Transformed 236 transitions.
[2026-05-24 10:14:43] [INFO ] Found NUPN structural information;
[2026-05-24 10:14:43] [INFO ] Parsed PT model containing 99 places and 236 transitions and 985 arcs in 402 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 99/99 places, 236/236 transitions.
Graph (trivial) has 81 edges and 99 vertex of which 24 / 99 are part of one of the 8 SCC in 13 ms
Free SCC test removed 16 places
Ensure Unique test removed 87 transitions
Reduce isomorphic transitions removed 87 transitions.
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: 24
Deduced a syphon composed of 24 places in 1 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 0 with 48 rules applied. Total rules applied 49 place count 59 transition count 125
Applied a total of 49 rules in 89 ms. Remains 59 /99 variables (removed 40) and now considering 125/236 (removed 111) transitions.
[2026-05-24 10:14:44] [INFO ] Flow matrix only has 74 transitions (discarded 51 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13615004130732687057.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6297925173911413479.kers'
[2026-05-24 10:14:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13615004130732687057.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6297925173911413479.kers]
Normalized transition count is 73 out of 74 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 73 rows 57 cols 153 entries
Finished phase 1 with 49 SingleSign rule and 0 generalized
[2026-05-24 10:14:44] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-6297925173911413479.kers
Total runtime 4 ms.
[2026-05-24 10:14:44] [INFO ] Implicit Places using invariants in 653 ms returned [57, 58]
Discarding 2 places :
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Implicit Place search using SMT only with invariants took 751 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 57/99 places, 117/236 transitions.
Graph (trivial) has 88 edges and 57 vertex of which 56 / 57 are part of one of the 8 SCC in 1 ms
Free SCC test removed 48 places
Ensure Unique test removed 80 transitions
Reduce isomorphic transitions removed 80 transitions.
Applied a total of 1 rules in 6 ms. Remains 9 /57 variables (removed 48) and now considering 37/117 (removed 80) transitions.
[2026-05-24 10:14:44] [INFO ] Flow matrix only has 2 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-6317695047960813838.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9778071414316273003.kers'
[2026-05-24 10:14:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6317695047960813838.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9778071414316273003.kers]
Normalized transition count is 1 out of 2 initially.
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 1 rows 1 cols 1 entries
Finished phase 1 with 1 SingleSign rule and 0 generalized
[2026-05-24 10:14:44] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9778071414316273003.kers
Total runtime 0 ms.
[2026-05-24 10:14:44] [INFO ] Implicit Places using invariants in 42 ms returned []
[2026-05-24 10:14:44] [INFO ] Flow matrix only has 2 transitions (discarded 35 similar events)
[2026-05-24 10:14:44] [INFO ] Invariant cache hit.
[2026-05-24 10:14:44] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 10:14:44] [INFO ] Implicit Places using invariants and state equation in 54 ms returned []
Implicit Place search using SMT with State Equation took 101 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 9/99 places, 37/236 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 983 ms. Remains : 9/99 places, 37/236 transitions.
Discarding 8 transitions out of 37. Remains 29
Initial state reduction rules removed 1 formulas.
RANDOM walk for 4 steps (0 resets) in 11 ms. (0 steps per ms) remains 0/28 properties
[2026-05-24 10:14:45] [INFO ] Flatten gal took : 39 ms
[2026-05-24 10:14:45] [INFO ] Flatten gal took : 7 ms
[2026-05-24 10:14:45] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15142395676415893782.gal : 10 ms
[2026-05-24 10:14:45] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5467286114648819087.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/ReachabilityCardinality15142395676415893782.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5467286114648819087.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 29 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 2104 ms.

BK_STOP 1779617685493

--------------------
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="FlexibleBarrier-PT-08a"
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 FlexibleBarrier-PT-08a, 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 r136-smll-177955811000212"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-08a.tgz
mv FlexibleBarrier-PT-08a 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 ;