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.r104-tall-177955698700332.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 DLCround-PT-04b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r104-tall-177955698700332
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 932K
-rw-r--r-- 1 mcc users 8.4K Mar 6 17:20 CTLCardinality.txt
-rw-r--r-- 1 mcc users 95K Mar 6 17:20 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 6 17:20 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 6 17:20 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:22 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 09:22 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 09:22 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:22 LTLFireability.xml
-rw-r--r-- 1 mcc users 5.8K Mar 6 17:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 51K Mar 6 17:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 6 17:20 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 6 17:20 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:22 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:22 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 547K 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 1779609097824

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DLCround-PT-04b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-24 07:51:39] [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 07:51:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 07:51:39] [INFO ] Load time of PNML (sax parser for PT used): 141 ms
[2026-05-24 07:51:39] [INFO ] Transformed 1680 places.
[2026-05-24 07:51:39] [INFO ] Transformed 2364 transitions.
[2026-05-24 07:51:39] [INFO ] Found NUPN structural information;
[2026-05-24 07:51:39] [INFO ] Parsed PT model containing 1680 places and 2364 transitions and 6156 arcs in 250 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1680/1680 places, 2364/2364 transitions.
Graph (trivial) has 1616 edges and 1680 vertex of which 344 / 1680 are part of one of the 24 SCC in 19 ms
Free SCC test removed 320 places
Ensure Unique test removed 334 transitions
Reduce isomorphic transitions removed 334 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 657 transitions
Trivial Post-agglo rules discarded 657 transitions
Performed 657 trivial Post agglomeration. Transition count delta: 657
Iterating post reduction 0 with 657 rules applied. Total rules applied 658 place count 1360 transition count 1373
Reduce places removed 657 places and 0 transitions.
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 27 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 22 transitions
Trivial Post-agglo rules discarded 22 transitions
Performed 22 trivial Post agglomeration. Transition count delta: 22
Iterating post reduction 1 with 706 rules applied. Total rules applied 1364 place count 703 transition count 1324
Reduce places removed 22 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 2 with 30 rules applied. Total rules applied 1394 place count 681 transition count 1316
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 1398 place count 677 transition count 1316
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 4 Pre rules applied. Total rules applied 1398 place count 677 transition count 1312
Deduced a syphon composed of 4 places in 16 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 1406 place count 673 transition count 1312
Performed 368 Post agglomeration using F-continuation condition.Transition count delta: 368
Deduced a syphon composed of 368 places in 1 ms
Reduce places removed 368 places and 0 transitions.
Iterating global reduction 4 with 736 rules applied. Total rules applied 2142 place count 305 transition count 944
Renaming transitions due to excessive name length > 1024 char.
Performed 15 Post agglomeration using F-continuation condition with reduction of 20 identical transitions.
Deduced a syphon composed of 15 places in 1 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 4 with 30 rules applied. Total rules applied 2172 place count 290 transition count 1028
Applied a total of 2172 rules in 182 ms. Remains 290 /1680 variables (removed 1390) and now considering 1028/2364 (removed 1336) transitions.
[2026-05-24 07:51:39] [INFO ] Flow matrix only has 972 transitions (discarded 56 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-124263946209967955.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17025538588436031511.kers'
[2026-05-24 07:51:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-124263946209967955.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17025538588436031511.kers]
Normalized transition count is 971 out of 972 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 971 rows 290 cols 3806 entries
Finished phase 1 with 221 SingleSign rule and 0 generalized
[2026-05-24 07:51:39] [INFO ] Computed 69 invariants in 3 ms
Computed 69 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-17025538588436031511.kers
Total runtime 5 ms.
[2026-05-24 07:51:39] [INFO ] Implicit Places using invariants in 406 ms returned []
[2026-05-24 07:51:39] [INFO ] Flow matrix only has 972 transitions (discarded 56 similar events)
[2026-05-24 07:51:39] [INFO ] Invariant cache hit.
[2026-05-24 07:51:40] [INFO ] State equation strengthened by 95 read => feed constraints.
[2026-05-24 07:51:40] [INFO ] Implicit Places using invariants and state equation in 542 ms returned []
Implicit Place search using SMT with State Equation took 986 ms to find 0 implicit places.
Running 1020 sub problems to find dead transitions.
[2026-05-24 07:51:40] [INFO ] Flow matrix only has 972 transitions (discarded 56 similar events)
[2026-05-24 07:51:40] [INFO ] Invariant cache hit.
[2026-05-24 07:51:40] [INFO ] State equation strengthened by 95 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/289 variables, 289/289 constraints. Problems are: Problem set: 0 solved, 1020 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/289 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 1020 unsolved
At refinement iteration 2 (OVERLAPS) 1/290 variables, 69/358 constraints. Problems are: Problem set: 0 solved, 1020 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/290 variables, 1/359 constraints. Problems are: Problem set: 0 solved, 1020 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/290 variables, 0/359 constraints. Problems are: Problem set: 0 solved, 1020 unsolved
At refinement iteration 5 (OVERLAPS) 971/1261 variables, 290/649 constraints. Problems are: Problem set: 0 solved, 1020 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1261 variables, 94/743 constraints. Problems are: Problem set: 0 solved, 1020 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1261/1262 variables, and 743 constraints, problems are : Problem set: 0 solved, 1020 unsolved in 30042 ms.
Refiners :[Domain max(s): 290/290 constraints, Positive P Invariants (semi-flows): 69/69 constraints, State Equation: 290/290 constraints, ReadFeed: 94/95 constraints, PredecessorRefiner: 1020/1020 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1020 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/289 variables, 289/289 constraints. Problems are: Problem set: 0 solved, 1020 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/289 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 1020 unsolved
At refinement iteration 2 (OVERLAPS) 1/290 variables, 69/358 constraints. Problems are: Problem set: 0 solved, 1020 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/290 variables, 1/359 constraints. Problems are: Problem set: 0 solved, 1020 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/290 variables, 0/359 constraints. Problems are: Problem set: 0 solved, 1020 unsolved
At refinement iteration 5 (OVERLAPS) 971/1261 variables, 290/649 constraints. Problems are: Problem set: 0 solved, 1020 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1261 variables, 94/743 constraints. Problems are: Problem set: 0 solved, 1020 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1261 variables, 1020/1763 constraints. Problems are: Problem set: 0 solved, 1020 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1261/1262 variables, and 1763 constraints, problems are : Problem set: 0 solved, 1020 unsolved in 30029 ms.
Refiners :[Domain max(s): 290/290 constraints, Positive P Invariants (semi-flows): 69/69 constraints, State Equation: 290/290 constraints, ReadFeed: 94/95 constraints, PredecessorRefiner: 1020/1020 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60532ms problems are : Problem set: 0 solved, 1020 unsolved
Search for dead transitions found 0 dead transitions in 60561ms
Starting structural reductions in LIVENESS mode, iteration 1 : 290/1680 places, 1028/2364 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 61771 ms. Remains : 290/1680 places, 1028/2364 transitions.
Discarding 275 transitions out of 1028. Remains 753
Initial state reduction rules removed 1 formulas.
[2026-05-24 07:52:41] [INFO ] Flatten gal took : 289 ms
[2026-05-24 07:52:42] [INFO ] Flatten gal took : 179 ms
[2026-05-24 07:52:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6645021975257562425.gal : 58 ms
[2026-05-24 07:52:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3563092302157270649.prop : 9 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/ReachabilityCardinality6645021975257562425.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3563092302157270649.prop' '--nowitness' '--gen-order' 'FOLLOW'

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
Loading property file /tmp/ReachabilityCardinality3563092302157270649.prop.
RANDOM walk for 40000 steps (10 resets) in 4114 ms. (9 steps per ms) remains 0/752 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 753 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 63299 ms.

BK_STOP 1779609162389

--------------------
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="DLCround-PT-04b"
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 DLCround-PT-04b, 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 r104-tall-177955698700332"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCround-PT-04b.tgz
mv DLCround-PT-04b 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 ;