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-177946970400334.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 CopsAndRobbers-PT-KFL036N009K002X003, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r072-tall-177946970400334
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.8M
-rw-r--r-- 1 mcc users 8.2K Mar 6 13:32 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K Mar 6 13:32 CTLCardinality.xml
-rw-r--r-- 1 mcc users 9.7K Mar 6 13:32 CTLFireability.txt
-rw-r--r-- 1 mcc users 67K Mar 6 13:32 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.1K Mar 15 08:37 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 08:37 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 08:37 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 15 08:37 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.1K Mar 6 13:32 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 67K Mar 6 13:32 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 6 13:32 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 67K Mar 6 13:32 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 1.4M 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 1779524048876

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-KFL036N009K002X003
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202604301425
[2026-05-23 08:14:10] [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 08:14:10] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 08:14:10] [INFO ] Load time of PNML (sax parser for PT used): 150 ms
[2026-05-23 08:14:10] [INFO ] Transformed 186 places.
[2026-05-23 08:14:10] [INFO ] Transformed 1623 transitions.
[2026-05-23 08:14:10] [INFO ] Parsed PT model containing 186 places and 1623 transitions and 9582 arcs in 251 ms.
Discarding 720 transitions out of 1623. Remains 903
Built sparse matrix representations for Structural reductions in 10 ms.14337KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 186/186 places, 1623/1623 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Graph (complete) has 3930 edges and 186 vertex of which 150 are kept as prefixes of interest. Removing 36 places using SCC suffix rule.16 ms
Discarding 36 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 94 ms. Remains 150 /186 variables (removed 36) and now considering 1623/1623 (removed 0) transitions.
Running 1560 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-538693551182242923.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2444594369775479623.kers'
[2026-05-23 08:14:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-538693551182242923.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2444594369775479623.kers]
Culling duplicate invariants (modulo rational): removing 36 columns.
Culled 36 columns in 1 ms.
// Phase 1: matrix 1623 rows 114 cols 6270 entries
Finished phase 1 with 112 SingleSign rule and 0 generalized
[2026-05-23 08:14:10] [INFO ] Computed 38 invariants in 7 ms
Computed 38 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-2444594369775479623.kers
Total runtime 9 ms.
[2026-05-23 08:14:10] [INFO ] State equation strengthened by 92 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 38/38 constraints. Problems are: Problem set: 0 solved, 1560 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1560 unsolved
At refinement iteration 2 (OVERLAPS) 1623/1773 variables, 150/188 constraints. Problems are: Problem set: 0 solved, 1560 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1773 variables, 92/280 constraints. Problems are: Problem set: 0 solved, 1560 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1773/1773 variables, and 280 constraints, problems are : Problem set: 0 solved, 1560 unsolved in 20186 ms.
Refiners :[Positive P Invariants (semi-flows): 38/38 constraints, State Equation: 150/150 constraints, ReadFeed: 92/92 constraints, PredecessorRefiner: 1560/109 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1560 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 38/38 constraints. Problems are: Problem set: 0 solved, 1560 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1560 unsolved
At refinement iteration 2 (OVERLAPS) 1623/1773 variables, 150/188 constraints. Problems are: Problem set: 0 solved, 1560 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1773 variables, 92/280 constraints. Problems are: Problem set: 0 solved, 1560 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1773/1773 variables, and 389 constraints, problems are : Problem set: 0 solved, 1560 unsolved in 20098 ms.
Refiners :[Positive P Invariants (semi-flows): 38/38 constraints, State Equation: 150/150 constraints, ReadFeed: 92/92 constraints, PredecessorRefiner: 1560/109 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 42722ms problems are : Problem set: 0 solved, 1560 unsolved
Search for dead transitions found 0 dead transitions in 42753ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 42903 ms. Remains : 150/186 places, 1623/1623 transitions.
Finished random walk after 143 steps, including 0 resets, run found a deadlock after 9 ms. (steps per millisecond=15 )
FORMULA Liveness FALSE TECHNIQUES STRUCTURAL DEADLOCK_TEST
Total runtime 43409 ms.

BK_STOP 1779524093476

--------------------
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
++ 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 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-KFL036N009K002X003"
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-KFL036N009K002X003, 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-177946970400334"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CopsAndRobbers-PT-KFL036N009K002X003.tgz
mv CopsAndRobbers-PT-KFL036N009K002X003 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 ;