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.r072-tall-177946970400329.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 CopsAndRobbers-PT-KFL028N008K002X005, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r072-tall-177946970400329
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 11K Mar 6 13:31 CTLCardinality.txt
-rw-r--r-- 1 mcc users 95K Mar 6 13:31 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Mar 6 13:31 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 6 13:31 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.1K Mar 15 08:37 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 08:37 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:37 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:37 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 13:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 102K Mar 6 13:31 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Mar 6 13:31 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 76K Mar 6 13:31 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 08:37 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K Mar 15 08:37 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 19 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 762K 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 Liveness

=== Now, execution of the tool begins

BK_START 1779524022857

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CopsAndRobbers-PT-KFL028N008K002X005
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202604301425
[2026-05-23 08:13:44] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-23 08:13:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 08:13:44] [INFO ] Load time of PNML (sax parser for PT used): 116 ms
[2026-05-23 08:13:44] [INFO ] Transformed 146 places.
[2026-05-23 08:13:44] [INFO ] Transformed 927 transitions.
[2026-05-23 08:13:44] [INFO ] Parsed PT model containing 146 places and 927 transitions and 5438 arcs in 219 ms.
Discarding 392 transitions out of 927. Remains 535
Built sparse matrix representations for Structural reductions in 10 ms.13910KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 146/146 places, 927/927 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Graph (complete) has 2386 edges and 146 vertex of which 118 are kept as prefixes of interest. Removing 28 places using SCC suffix rule.10 ms
Discarding 28 places :
Also discarding 0 output transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 1 rules in 76 ms. Remains 118 /146 variables (removed 28) and now considering 927/927 (removed 0) transitions.
Running 852 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6991320096699319426.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10274049091607590655.kers'
[2026-05-23 08:13:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6991320096699319426.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10274049091607590655.kers]
Culling duplicate invariants (modulo rational): removing 28 columns.
Culled 28 columns in 0 ms.
// Phase 1: matrix 927 rows 90 cols 3534 entries
Finished phase 1 with 88 SingleSign rule and 0 generalized
[2026-05-23 08:13:44] [INFO ] Computed 30 invariants in 3 ms
Computed 30 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-10274049091607590655.kers
Total runtime 5 ms.
[2026-05-23 08:13:44] [INFO ] State equation strengthened by 70 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
At refinement iteration 0 (INCLUDED_ONLY) 0/118 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 852 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/118 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 852 unsolved
At refinement iteration 2 (OVERLAPS) 927/1045 variables, 118/148 constraints. Problems are: Problem set: 0 solved, 852 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1045 variables, 70/218 constraints. Problems are: Problem set: 0 solved, 852 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1045/1045 variables, and 218 constraints, problems are : Problem set: 0 solved, 852 unsolved in 20060 ms.
Refiners :[Positive P Invariants (semi-flows): 30/30 constraints, State Equation: 118/118 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 852/507 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 852 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/118 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 852 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/118 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 852 unsolved
At refinement iteration 2 (OVERLAPS) 927/1045 variables, 118/148 constraints. Problems are: Problem set: 0 solved, 852 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1045 variables, 70/218 constraints. Problems are: Problem set: 0 solved, 852 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1045 variables, 507/725 constraints. Problems are: Problem set: 0 solved, 852 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1045/1045 variables, and 725 constraints, problems are : Problem set: 0 solved, 852 unsolved in 20030 ms.
Refiners :[Positive P Invariants (semi-flows): 30/30 constraints, State Equation: 118/118 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 852/507 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41933ms problems are : Problem set: 0 solved, 852 unsolved
Search for dead transitions found 0 dead transitions in 41959ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 42089 ms. Remains : 118/146 places, 927/927 transitions.
Finished random walk after 181 steps, including 0 resets, run found a deadlock after 6 ms. (steps per millisecond=30 )
FORMULA Liveness FALSE TECHNIQUES STRUCTURAL DEADLOCK_TEST
Total runtime 42502 ms.

BK_STOP 1779524066575

--------------------
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
+ [[ Liveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution Liveness -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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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 Liveness -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="CopsAndRobbers-PT-KFL028N008K002X005"
export BK_EXAMINATION="Liveness"
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 CopsAndRobbers-PT-KFL028N008K002X005, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r072-tall-177946970400329"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CopsAndRobbers-PT-KFL028N008K002X005.tgz
mv CopsAndRobbers-PT-KFL028N008K002X005 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.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 '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;