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-177946902900072.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-H08T2O, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r056-smll-177946902900072
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 772K
-rw-r--r-- 1 mcc users 6.0K Mar 6 10:49 CTLCardinality.txt
-rw-r--r-- 1 mcc users 58K Mar 6 10:49 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K Mar 6 10:49 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K Mar 6 10:49 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:01 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 08:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 08:01 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 08:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.9K Mar 6 10:49 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 103K 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 44K Mar 6 10:49 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:01 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:01 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 409K 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 1779473380511

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-H08T2O
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-22 18:09:42] [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 18:09:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 18:09:43] [INFO ] Load time of PNML (sax parser for PT used): 341 ms
[2026-05-22 18:09:43] [INFO ] Transformed 1405 places.
[2026-05-22 18:09:43] [INFO ] Transformed 1828 transitions.
[2026-05-22 18:09:43] [INFO ] Found NUPN structural information;
[2026-05-22 18:09:43] [INFO ] Parsed PT model containing 1405 places and 1828 transitions and 4416 arcs in 579 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1405/1405 places, 1828/1828 transitions.
Graph (trivial) has 1465 edges and 1405 vertex of which 723 / 1405 are part of one of the 37 SCC in 18 ms
Free SCC test removed 686 places
Ensure Unique test removed 747 transitions
Reduce isomorphic transitions removed 747 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 357 transitions
Trivial Post-agglo rules discarded 357 transitions
Performed 357 trivial Post agglomeration. Transition count delta: 357
Iterating post reduction 0 with 357 rules applied. Total rules applied 358 place count 719 transition count 724
Reduce places removed 357 places and 0 transitions.
Ensure Unique test removed 35 transitions
Reduce isomorphic transitions removed 35 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 35 transitions
Trivial Post-agglo rules discarded 35 transitions
Performed 35 trivial Post agglomeration. Transition count delta: 35
Iterating post reduction 1 with 427 rules applied. Total rules applied 785 place count 362 transition count 654
Reduce places removed 35 places and 0 transitions.
Iterating post reduction 2 with 35 rules applied. Total rules applied 820 place count 327 transition count 654
Performed 198 Post agglomeration using F-continuation condition.Transition count delta: 198
Deduced a syphon composed of 198 places in 1 ms
Reduce places removed 198 places and 0 transitions.
Iterating global reduction 3 with 396 rules applied. Total rules applied 1216 place count 129 transition count 456
Applied a total of 1216 rules in 164 ms. Remains 129 /1405 variables (removed 1276) and now considering 456/1828 (removed 1372) transitions.
[2026-05-22 18:09:43] [INFO ] Flow matrix only has 148 transitions (discarded 308 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10993885806945164029.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12962117970970017254.kers'
[2026-05-22 18:09:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10993885806945164029.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12962117970970017254.kers]
Normalized transition count is 147 out of 148 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 147 rows 129 cols 402 entries
Finished phase 1 with 92 SingleSign rule and 0 generalized
[2026-05-22 18:09:43] [INFO ] Computed 37 invariants in 0 ms
Computed 37 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-12962117970970017254.kers
Total runtime 2 ms.
[2026-05-22 18:09:44] [INFO ] Implicit Places using invariants in 650 ms returned []
[2026-05-22 18:09:44] [INFO ] Flow matrix only has 148 transitions (discarded 308 similar events)
[2026-05-22 18:09:44] [INFO ] Invariant cache hit.
[2026-05-22 18:09:44] [INFO ] State equation strengthened by 55 read => feed constraints.
[2026-05-22 18:09:44] [INFO ] Implicit Places using invariants and state equation in 624 ms returned []
Implicit Place search using SMT with State Equation took 1328 ms to find 0 implicit places.
Running 455 sub problems to find dead transitions.
[2026-05-22 18:09:45] [INFO ] Flow matrix only has 148 transitions (discarded 308 similar events)
[2026-05-22 18:09:45] [INFO ] Invariant cache hit.
[2026-05-22 18:09:45] [INFO ] State equation strengthened by 55 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/128 variables, 128/128 constraints. Problems are: Problem set: 0 solved, 455 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/128 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 455 unsolved
At refinement iteration 2 (OVERLAPS) 1/129 variables, 37/165 constraints. Problems are: Problem set: 0 solved, 455 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/129 variables, 1/166 constraints. Problems are: Problem set: 0 solved, 455 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/129 variables, 0/166 constraints. Problems are: Problem set: 0 solved, 455 unsolved
At refinement iteration 5 (OVERLAPS) 147/276 variables, 129/295 constraints. Problems are: Problem set: 0 solved, 455 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/276 variables, 54/349 constraints. Problems are: Problem set: 0 solved, 455 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/276 variables, 0/349 constraints. Problems are: Problem set: 0 solved, 455 unsolved
At refinement iteration 8 (OVERLAPS) 1/277 variables, 1/350 constraints. Problems are: Problem set: 0 solved, 455 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 277/277 variables, and 350 constraints, problems are : Problem set: 0 solved, 455 unsolved in 30059 ms.
Refiners :[Domain max(s): 129/129 constraints, Positive P Invariants (semi-flows): 37/37 constraints, State Equation: 129/129 constraints, ReadFeed: 55/55 constraints, PredecessorRefiner: 455/455 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 455 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/128 variables, 128/128 constraints. Problems are: Problem set: 0 solved, 455 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/128 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 455 unsolved
At refinement iteration 2 (OVERLAPS) 1/129 variables, 37/165 constraints. Problems are: Problem set: 0 solved, 455 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/129 variables, 1/166 constraints. Problems are: Problem set: 0 solved, 455 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/129 variables, 0/166 constraints. Problems are: Problem set: 0 solved, 455 unsolved
At refinement iteration 5 (OVERLAPS) 147/276 variables, 129/295 constraints. Problems are: Problem set: 0 solved, 455 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/276 variables, 54/349 constraints. Problems are: Problem set: 0 solved, 455 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/276 variables, 455/804 constraints. Problems are: Problem set: 0 solved, 455 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/276 variables, 0/804 constraints. Problems are: Problem set: 0 solved, 455 unsolved
At refinement iteration 9 (OVERLAPS) 1/277 variables, 1/805 constraints. Problems are: Problem set: 0 solved, 455 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 277/277 variables, and 805 constraints, problems are : Problem set: 0 solved, 455 unsolved in 30032 ms.
Refiners :[Domain max(s): 129/129 constraints, Positive P Invariants (semi-flows): 37/37 constraints, State Equation: 129/129 constraints, ReadFeed: 55/55 constraints, PredecessorRefiner: 455/455 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60449ms problems are : Problem set: 0 solved, 455 unsolved
Search for dead transitions found 0 dead transitions in 60559ms
Starting structural reductions in LIVENESS mode, iteration 1 : 129/1405 places, 456/1828 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 62150 ms. Remains : 129/1405 places, 456/1828 transitions.
Discarding 126 transitions out of 456. Remains 330
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (541 resets) in 3021 ms. (13 steps per ms) remains 1/329 properties
[2026-05-22 18:10:46] [INFO ] Flatten gal took : 220 ms
BEST_FIRST walk for 6941 steps (0 resets) in 136 ms. (50 steps per ms) remains 0/1 properties
[2026-05-22 18:10:46] [INFO ] Flatten gal took : 61 ms
[2026-05-22 18:10:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2726334316707462769.gal : 23 ms
[2026-05-22 18:10:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2352377072780859071.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/ReachabilityCardinality2726334316707462769.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2352377072780859071.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 330 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 63859 ms.

BK_STOP 1779473446621

--------------------
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-H08T2O"
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-H08T2O, 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-177946902900072"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Champagne-PT-H08T2O.tgz
mv Champagne-PT-H08T2O 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 ;