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.r040-tall-177946844700442.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 CANInsertWithFailure-PT-010, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r040-tall-177946844700442
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 9.2K Mar 6 10:37 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Mar 6 10:37 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 6 10:36 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K Mar 6 10:36 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.7K Mar 15 07:53 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 07:53 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K Mar 15 07:53 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:53 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Mar 6 10:37 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 118K Mar 6 10:37 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 6 10:37 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K Mar 6 10:37 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Mar 15 07:53 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 07:53 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 698K 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 1779482040248

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CANInsertWithFailure-PT-010
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-22 20:34:01] [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 20:34:01] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 20:34:01] [INFO ] Load time of PNML (sax parser for PT used): 111 ms
[2026-05-22 20:34:01] [INFO ] Transformed 324 places.
[2026-05-22 20:34:01] [INFO ] Transformed 660 transitions.
[2026-05-22 20:34:01] [INFO ] Parsed PT model containing 324 places and 660 transitions and 1800 arcs in 209 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 324/324 places, 660/660 transitions.
Reduce places removed 1 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 70 transitions
Trivial Post-agglo rules discarded 70 transitions
Performed 70 trivial Post agglomeration. Transition count delta: 70
Iterating post reduction 0 with 71 rules applied. Total rules applied 71 place count 323 transition count 590
Reduce places removed 70 places and 0 transitions.
Iterating post reduction 1 with 70 rules applied. Total rules applied 141 place count 253 transition count 590
Performed 90 Post agglomeration using F-continuation condition.Transition count delta: 90
Deduced a syphon composed of 90 places in 1 ms
Reduce places removed 90 places and 0 transitions.
Iterating global reduction 2 with 180 rules applied. Total rules applied 321 place count 163 transition count 500
Applied a total of 321 rules in 61 ms. Remains 163 /324 variables (removed 161) and now considering 500/660 (removed 160) transitions.
[2026-05-22 20:34:01] [INFO ] Flow matrix only has 428 transitions (discarded 72 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10246020147737027082.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-286591890709565224.kers'
[2026-05-22 20:34:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10246020147737027082.kers, --Pflows, --basisKERS=/tmp/petrispot-output-286591890709565224.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 428 rows 163 cols 926 entries
Finished phase 1 with 141 SingleSign rule and 10 generalized
[2026-05-22 20:34:01] [INFO ] Computed 12 invariants in 2 ms
Computed 12 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-286591890709565224.kers
Total runtime 4 ms.
[2026-05-22 20:34:02] [INFO ] Implicit Places using invariants in 440 ms returned []
[2026-05-22 20:34:02] [INFO ] Flow matrix only has 428 transitions (discarded 72 similar events)
[2026-05-22 20:34:02] [INFO ] Invariant cache hit.
[2026-05-22 20:34:02] [INFO ] State equation strengthened by 288 read => feed constraints.
[2026-05-22 20:34:02] [INFO ] Implicit Places using invariants and state equation in 583 ms returned []
Implicit Place search using SMT with State Equation took 1055 ms to find 0 implicit places.
Running 490 sub problems to find dead transitions.
[2026-05-22 20:34:02] [INFO ] Flow matrix only has 428 transitions (discarded 72 similar events)
[2026-05-22 20:34:02] [INFO ] Invariant cache hit.
[2026-05-22 20:34:02] [INFO ] State equation strengthened by 288 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 490 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 490 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/162 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 490 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 20/52 constraints. Problems are: Problem set: 0 solved, 490 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 19/71 constraints. Problems are: Problem set: 0 solved, 490 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/162 variables, 9/80 constraints. Problems are: Problem set: 0 solved, 490 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 13/93 constraints. Problems are: Problem set: 0 solved, 490 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/162 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 490 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 162/591 variables, and 95 constraints, problems are : Problem set: 0 solved, 490 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 0/163 constraints, ReadFeed: 0/288 constraints, PredecessorRefiner: 490/490 constraints, Known Traps: 83/83 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 490 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 490 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 490 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/162 variables, 83/95 constraints. Problems are: Problem set: 0 solved, 490 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 490 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 1/97 constraints. Problems are: Problem set: 0 solved, 490 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/162 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 490 unsolved
At refinement iteration 6 (OVERLAPS) 428/590 variables, 162/259 constraints. Problems are: Problem set: 0 solved, 490 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/590 variables, 288/547 constraints. Problems are: Problem set: 0 solved, 490 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 590/591 variables, and 1037 constraints, problems are : Problem set: 0 solved, 490 unsolved in 30054 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 162/163 constraints, ReadFeed: 288/288 constraints, PredecessorRefiner: 490/490 constraints, Known Traps: 85/85 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60214ms problems are : Problem set: 0 solved, 490 unsolved
Search for dead transitions found 0 dead transitions in 60231ms
Starting structural reductions in LIVENESS mode, iteration 1 : 163/324 places, 500/660 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 61391 ms. Remains : 163/324 places, 500/660 transitions.
Discarding 260 transitions out of 500. Remains 240
Initial state reduction rules removed 10 formulas.
RANDOM walk for 6546 steps (120 resets) in 537 ms. (12 steps per ms) remains 0/230 properties
[2026-05-22 20:35:03] [INFO ] Flatten gal took : 64 ms
[2026-05-22 20:35:03] [INFO ] Flatten gal took : 27 ms
[2026-05-22 20:35:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2968974616459747615.gal : 17 ms
[2026-05-22 20:35:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1561356612283433466.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/ReachabilityCardinality2968974616459747615.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1561356612283433466.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 ...328
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 240 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 62076 ms.

BK_STOP 1779482103474

--------------------
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="CANInsertWithFailure-PT-010"
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 CANInsertWithFailure-PT-010, 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 r040-tall-177946844700442"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CANInsertWithFailure-PT-010.tgz
mv CANInsertWithFailure-PT-010 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 ;