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-177946970400336.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-KFL084N009K003X002, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r072-tall-177946970400336
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.4M
-rw-r--r-- 1 mcc users 7.7K Mar 6 13:32 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K Mar 6 13:32 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Mar 6 13:32 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K Mar 6 13:32 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.0K Mar 15 08:37 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 08:37 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.7K 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 8.7K Mar 6 13:32 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 62K Mar 6 13:32 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 16K Mar 6 13:32 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 93K 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 3.0M 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 ReachabilityDeadlock

=== Now, execution of the tool begins

BK_START 1779524072939

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CopsAndRobbers-PT-KFL084N009K003X002
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityDeadlock PT
Running Version 202604301425
[2026-05-23 08:14:34] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-23 08:14:34] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 08:14:34] [INFO ] Load time of PNML (sax parser for PT used): 238 ms
[2026-05-23 08:14:34] [INFO ] Transformed 426 places.
[2026-05-23 08:14:34] [INFO ] Transformed 3615 transitions.
[2026-05-23 08:14:34] [INFO ] Parsed PT model containing 426 places and 3615 transitions and 21342 arcs in 359 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 3 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 8 ms.18432KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 426/426 places, 3615/3615 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Graph (complete) has 8826 edges and 426 vertex of which 342 are kept as prefixes of interest. Removing 84 places using SCC suffix rule.41 ms
Discarding 84 places :
Also discarding 0 output transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 1 place count 342 transition count 3614
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 341 transition count 3614
Computed a total of 0 stabilizing places and 0 stable transitions
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 5 place count 340 transition count 3613
Computed a total of 0 stabilizing places and 168 stable transitions
Computed a total of 0 stabilizing places and 168 stable transitions
Applied a total of 5 rules in 738 ms. Remains 340 /426 variables (removed 86) and now considering 3613/3615 (removed 2) transitions.
Running 3573 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-11621294055065111876.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13771482369655566228.kers'
[2026-05-23 08:14:35] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11621294055065111876.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13771482369655566228.kers]
Culling duplicate invariants (modulo rational): removing 84 columns.
Culled 84 columns in 2 ms.
// Phase 1: matrix 3613 rows 256 cols 13946 entries
Finished phase 1 with 254 SingleSign rule and 0 generalized
[2026-05-23 08:14:35] [INFO ] Computed 86 invariants in 12 ms
Computed 86 P flows in 13 ms.
Exported basis to /tmp/petrispot-output-13771482369655566228.kers
Total runtime 18 ms.
[2026-05-23 08:14:35] [INFO ] State equation strengthened by 187 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/340 variables, 86/86 constraints. Problems are: Problem set: 0 solved, 3573 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 340/3953 variables, and 86 constraints, problems are : Problem set: 0 solved, 3573 unsolved in 20105 ms.
Refiners :[Positive P Invariants (semi-flows): 86/86 constraints, State Equation: 0/340 constraints, ReadFeed: 0/187 constraints, PredecessorRefiner: 3573/252 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3573 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/340 variables, 86/86 constraints. Problems are: Problem set: 0 solved, 3573 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 340/3953 variables, and 86 constraints, problems are : Problem set: 0 solved, 3573 unsolved in 20044 ms.
Refiners :[Positive P Invariants (semi-flows): 86/86 constraints, State Equation: 0/340 constraints, ReadFeed: 0/187 constraints, PredecessorRefiner: 3321/252 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 45511ms problems are : Problem set: 0 solved, 3573 unsolved
Search for dead transitions found 0 dead transitions in 45559ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 46371 ms. Remains : 340/426 places, 3613/3615 transitions.
Finished random walk after 230 steps, including 0 resets, run found a deadlock after 39 ms. (steps per millisecond=5 )
FORMULA ReachabilityDeadlock TRUE TECHNIQUES TOPOLOGICAL STRUCTURAL_REDUCTION RANDOM_WALK
Total runtime 46867 ms.

BK_STOP 1779524121010

--------------------
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
+ [[ ReachabilityDeadlock = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityDeadlock -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 ReachabilityDeadlock -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-KFL084N009K003X002"
export BK_EXAMINATION="ReachabilityDeadlock"
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-KFL084N009K003X002, examination is ReachabilityDeadlock"
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-177946970400336"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CopsAndRobbers-PT-KFL084N009K003X002.tgz
mv CopsAndRobbers-PT-KFL084N009K003X002 execution
cd execution
if [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "UpperBounds" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] || [ "ReachabilityDeadlock" = "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 [ "ReachabilityDeadlock" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityDeadlock" != "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 "ReachabilityDeadlock.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 '' ReachabilityDeadlock.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityDeadlock"
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 ;