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-177946902800022.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-H05T1U, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r056-smll-177946902800022
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 544K
-rw-r--r-- 1 mcc users 7.5K Mar 6 10:49 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Mar 6 10:49 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 6 10:49 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K Mar 6 10:49 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:58 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 07:58 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 07:58 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 15 07:58 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 10:49 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 133K Mar 6 10:49 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Mar 6 10:49 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 45K Mar 6 10:49 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:58 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:58 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 108K 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 1779472717796

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-H05T1U
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-22 17:58:40] [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 17:58:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 17:58:40] [INFO ] Load time of PNML (sax parser for PT used): 180 ms
[2026-05-22 17:58:40] [INFO ] Transformed 389 places.
[2026-05-22 17:58:40] [INFO ] Transformed 491 transitions.
[2026-05-22 17:58:40] [INFO ] Found NUPN structural information;
[2026-05-22 17:58:40] [INFO ] Parsed PT model containing 389 places and 491 transitions and 1176 arcs in 374 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 389/389 places, 491/491 transitions.
Graph (trivial) has 400 edges and 389 vertex of which 143 / 389 are part of one of the 15 SCC in 14 ms
Free SCC test removed 128 places
Ensure Unique test removed 140 transitions
Reduce isomorphic transitions removed 140 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 234
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 208
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 208
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 130
Applied a total of 430 rules in 108 ms. Remains 53 /389 variables (removed 336) and now considering 130/491 (removed 361) transitions.
[2026-05-22 17:58:40] [INFO ] Flow matrix only has 62 transitions (discarded 68 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15870849968823710192.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10924191526941574278.kers'
[2026-05-22 17:58:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15870849968823710192.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10924191526941574278.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 17:58:40] [INFO ] Computed 15 invariants in 0 ms
Computed 15 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-10924191526941574278.kers
Total runtime 2 ms.
[2026-05-22 17:58:41] [INFO ] Implicit Places using invariants in 460 ms returned []
[2026-05-22 17:58:41] [INFO ] Flow matrix only has 62 transitions (discarded 68 similar events)
[2026-05-22 17:58:41] [INFO ] Invariant cache hit.
[2026-05-22 17:58:41] [INFO ] State equation strengthened by 23 read => feed constraints.
[2026-05-22 17:58:41] [INFO ] Implicit Places using invariants and state equation in 284 ms returned []
Implicit Place search using SMT with State Equation took 811 ms to find 0 implicit places.
Running 129 sub problems to find dead transitions.
[2026-05-22 17:58:41] [INFO ] Flow matrix only has 62 transitions (discarded 68 similar events)
[2026-05-22 17:58:41] [INFO ] Invariant cache hit.
[2026-05-22 17:58:41] [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, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (OVERLAPS) 1/53 variables, 15/67 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/53 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 61/114 variables, 53/121 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/114 variables, 22/143 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/114 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 8 (OVERLAPS) 1/115 variables, 1/144 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/115 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 10 (OVERLAPS) 0/115 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 129 unsolved
No progress, stopping.
After SMT solving in domain Real declared 115/115 variables, and 144 constraints, problems are : Problem set: 0 solved, 129 unsolved in 7871 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: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 129 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 52/52 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (OVERLAPS) 1/53 variables, 15/67 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/53 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (OVERLAPS) 61/114 variables, 53/121 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/114 variables, 22/143 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/114 variables, 129/272 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/114 variables, 0/272 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 9 (OVERLAPS) 1/115 variables, 1/273 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/115 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 11 (OVERLAPS) 0/115 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 129 unsolved
No progress, stopping.
After SMT solving in domain Int declared 115/115 variables, and 273 constraints, problems are : Problem set: 0 solved, 129 unsolved in 8315 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: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 16349ms problems are : Problem set: 0 solved, 129 unsolved
Search for dead transitions found 0 dead transitions in 16380ms
Starting structural reductions in LIVENESS mode, iteration 1 : 53/389 places, 130/491 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 17372 ms. Remains : 53/389 places, 130/491 transitions.
Discarding 50 transitions out of 130. Remains 80
Initial state reduction rules removed 1 formulas.
[2026-05-22 17:58:58] [INFO ] Flatten gal took : 94 ms
[2026-05-22 17:58:58] [INFO ] Flatten gal took : 56 ms
[2026-05-22 17:58:58] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6173180114664796781.gal : 16 ms
RANDOM walk for 34731 steps (1237 resets) in 2066 ms. (16 steps per ms) remains 0/79 properties
[2026-05-22 17:58:58] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8809650895827965219.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/ReachabilityCardinality6173180114664796781.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8809650895827965219.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 80 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 18597 ms.

BK_STOP 1779472738723

--------------------
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-H05T1U"
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-H05T1U, 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-177946902800022"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Champagne-PT-H05T1U.tgz
mv Champagne-PT-H05T1U 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 ;