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-177946902900042.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 Champagne-PT-H06T2O, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r056-smll-177946902900042
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 596K
-rw-r--r-- 1 mcc users 8.3K Mar 6 10:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 96K Mar 6 10:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Mar 6 10:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 6 10:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:59 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 07:59 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 07:59 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 07:59 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.9K Mar 6 10:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 75K Mar 6 10:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.4K Mar 6 10:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 6 10:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:59 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:59 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 203K 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 1779472947445

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-H06T2O
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-22 18:02:29] [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 18:02:29] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 18:02:30] [INFO ] Load time of PNML (sax parser for PT used): 272 ms
[2026-05-22 18:02:30] [INFO ] Transformed 759 places.
[2026-05-22 18:02:30] [INFO ] Transformed 928 transitions.
[2026-05-22 18:02:30] [INFO ] Found NUPN structural information;
[2026-05-22 18:02:30] [INFO ] Parsed PT model containing 759 places and 928 transitions and 2145 arcs in 501 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 759/759 places, 928/928 transitions.
Graph (trivial) has 792 edges and 759 vertex of which 394 / 759 are part of one of the 20 SCC in 21 ms
Free SCC test removed 374 places
Ensure Unique test removed 408 transitions
Reduce isomorphic transitions removed 408 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 190 transitions
Trivial Post-agglo rules discarded 190 transitions
Performed 190 trivial Post agglomeration. Transition count delta: 190
Iterating post reduction 0 with 190 rules applied. Total rules applied 191 place count 385 transition count 330
Reduce places removed 190 places and 0 transitions.
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 18 transitions
Trivial Post-agglo rules discarded 18 transitions
Performed 18 trivial Post agglomeration. Transition count delta: 18
Iterating post reduction 1 with 226 rules applied. Total rules applied 417 place count 195 transition count 294
Reduce places removed 18 places and 0 transitions.
Iterating post reduction 2 with 18 rules applied. Total rules applied 435 place count 177 transition count 294
Performed 106 Post agglomeration using F-continuation condition.Transition count delta: 106
Deduced a syphon composed of 106 places in 1 ms
Reduce places removed 106 places and 0 transitions.
Iterating global reduction 3 with 212 rules applied. Total rules applied 647 place count 71 transition count 188
Applied a total of 647 rules in 168 ms. Remains 71 /759 variables (removed 688) and now considering 188/928 (removed 740) transitions.
[2026-05-22 18:02:30] [INFO ] Flow matrix only has 83 transitions (discarded 105 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12916216468791128641.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5626409257656105459.kers'
[2026-05-22 18:02:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12916216468791128641.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5626409257656105459.kers]
Normalized transition count is 82 out of 83 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 82 rows 71 cols 221 entries
Finished phase 1 with 51 SingleSign rule and 0 generalized
[2026-05-22 18:02:30] [INFO ] Computed 20 invariants in 1 ms
Computed 20 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-5626409257656105459.kers
Total runtime 3 ms.
[2026-05-22 18:02:31] [INFO ] Implicit Places using invariants in 538 ms returned []
[2026-05-22 18:02:31] [INFO ] Flow matrix only has 83 transitions (discarded 105 similar events)
[2026-05-22 18:02:31] [INFO ] Invariant cache hit.
[2026-05-22 18:02:31] [INFO ] State equation strengthened by 31 read => feed constraints.
[2026-05-22 18:02:31] [INFO ] Implicit Places using invariants and state equation in 353 ms returned []
Implicit Place search using SMT with State Equation took 960 ms to find 0 implicit places.
Running 187 sub problems to find dead transitions.
[2026-05-22 18:02:31] [INFO ] Flow matrix only has 83 transitions (discarded 105 similar events)
[2026-05-22 18:02:31] [INFO ] Invariant cache hit.
[2026-05-22 18:02:31] [INFO ] State equation strengthened by 31 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 70/70 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/70 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 2 (OVERLAPS) 1/71 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/71 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 5 (OVERLAPS) 82/153 variables, 71/162 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/153 variables, 30/192 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/153 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 8 (OVERLAPS) 1/154 variables, 1/193 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/154 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 10 (OVERLAPS) 0/154 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 187 unsolved
No progress, stopping.
After SMT solving in domain Real declared 154/154 variables, and 193 constraints, problems are : Problem set: 0 solved, 187 unsolved in 13125 ms.
Refiners :[Domain max(s): 71/71 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 71/71 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 187/187 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 187 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 70/70 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/70 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 2 (OVERLAPS) 1/71 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/71 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 5 (OVERLAPS) 82/153 variables, 71/162 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/153 variables, 30/192 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/153 variables, 187/379 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/153 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 9 (OVERLAPS) 1/154 variables, 1/380 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/154 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 11 (OVERLAPS) 0/154 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 187 unsolved
No progress, stopping.
After SMT solving in domain Int declared 154/154 variables, and 380 constraints, problems are : Problem set: 0 solved, 187 unsolved in 14372 ms.
Refiners :[Domain max(s): 71/71 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 71/71 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 187/187 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 27706ms problems are : Problem set: 0 solved, 187 unsolved
Search for dead transitions found 0 dead transitions in 27738ms
Starting structural reductions in LIVENESS mode, iteration 1 : 71/759 places, 188/928 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 28957 ms. Remains : 71/759 places, 188/928 transitions.
Discarding 68 transitions out of 188. Remains 120
Initial state reduction rules removed 1 formulas.
[2026-05-22 18:03:00] [INFO ] Flatten gal took : 67 ms
RANDOM walk for 40000 steps (1077 resets) in 2440 ms. (16 steps per ms) remains 1/119 properties
BEST_FIRST walk for 2305 steps (0 resets) in 29 ms. (76 steps per ms) remains 0/1 properties
[2026-05-22 18:03:00] [INFO ] Flatten gal took : 42 ms
[2026-05-22 18:03:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4193879786468581875.gal : 17 ms
[2026-05-22 18:03:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14772099834784299941.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/ReachabilityCardinality4193879786468581875.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14772099834784299941.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 120 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 30423 ms.

BK_STOP 1779472980225

--------------------
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-H06T2O"
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-H06T2O, 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-177946902900042"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Champagne-PT-H06T2O.tgz
mv Champagne-PT-H06T2O 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 ;