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-177946970400307.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-HRL017X005, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r072-tall-177946970400307
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 712K
-rw-r--r-- 1 mcc users 10K Mar 6 13:32 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K Mar 6 13:32 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 6 13:31 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K Mar 6 13:31 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.6K Mar 15 08:35 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 08:35 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 15 08:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 21K Mar 6 13:32 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 182K Mar 6 13:32 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Mar 6 13:32 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 75K Mar 6 13:32 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 08:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 08:36 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 11 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 170K 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 1779523941108

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CopsAndRobbers-PT-HRL017X005
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-23 08:12:22] [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]
[2026-05-23 08:12:22] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 08:12:22] [INFO ] Load time of PNML (sax parser for PT used): 72 ms
[2026-05-23 08:12:22] [INFO ] Transformed 95 places.
[2026-05-23 08:12:22] [INFO ] Transformed 213 transitions.
[2026-05-23 08:12:22] [INFO ] Parsed PT model containing 95 places and 213 transitions and 1110 arcs in 164 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 95/95 places, 213/213 transitions.
Reduce places removed 17 places and 0 transitions.
Iterating post reduction 0 with 17 rules applied. Total rules applied 17 place count 78 transition count 213
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 19 place count 77 transition count 212
Applied a total of 19 rules in 33 ms. Remains 77 /95 variables (removed 18) and now considering 212/213 (removed 1) transitions.
Running 178 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-17815926890874538088.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-555111648057383101.kers'
[2026-05-23 08:12:22] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17815926890874538088.kers, --Pflows, --basisKERS=/tmp/petrispot-output-555111648057383101.kers]
Culling duplicate invariants (modulo rational): removing 17 columns.
Culled 17 columns in 0 ms.
// Phase 1: matrix 212 rows 60 cols 707 entries
Finished phase 1 with 57 SingleSign rule and 0 generalized
[2026-05-23 08:12:22] [INFO ] Computed 20 invariants in 0 ms
Computed 20 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-555111648057383101.kers
Total runtime 2 ms.
[2026-05-23 08:12:22] [INFO ] State equation strengthened by 40 read => feed constraints.
Problem TDEAD94 is UNSAT
Problem TDEAD95 is UNSAT
Problem TDEAD102 is UNSAT
Problem TDEAD103 is UNSAT
Problem TDEAD110 is UNSAT
Problem TDEAD111 is UNSAT
Problem TDEAD156 is UNSAT
Problem TDEAD157 is UNSAT
Problem TDEAD164 is UNSAT
Problem TDEAD165 is UNSAT
Problem TDEAD172 is UNSAT
Problem TDEAD173 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 18/18 constraints. Problems are: Problem set: 12 solved, 166 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/18 constraints. Problems are: Problem set: 12 solved, 166 unsolved
At refinement iteration 2 (OVERLAPS) 2/77 variables, 2/20 constraints. Problems are: Problem set: 12 solved, 166 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/77 variables, 0/20 constraints. Problems are: Problem set: 12 solved, 166 unsolved
At refinement iteration 4 (OVERLAPS) 212/289 variables, 77/97 constraints. Problems are: Problem set: 12 solved, 166 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/289 variables, 40/137 constraints. Problems are: Problem set: 12 solved, 166 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 0/137 constraints. Problems are: Problem set: 12 solved, 166 unsolved
At refinement iteration 7 (OVERLAPS) 0/289 variables, 0/137 constraints. Problems are: Problem set: 12 solved, 166 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 137 constraints, problems are : Problem set: 12 solved, 166 unsolved in 15917 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 77/77 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 178/178 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 12 solved, 166 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 18/18 constraints. Problems are: Problem set: 12 solved, 166 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/18 constraints. Problems are: Problem set: 12 solved, 166 unsolved
At refinement iteration 2 (OVERLAPS) 2/77 variables, 2/20 constraints. Problems are: Problem set: 12 solved, 166 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/77 variables, 0/20 constraints. Problems are: Problem set: 12 solved, 166 unsolved
At refinement iteration 4 (OVERLAPS) 212/289 variables, 77/97 constraints. Problems are: Problem set: 12 solved, 166 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/289 variables, 40/137 constraints. Problems are: Problem set: 12 solved, 166 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 166/303 constraints. Problems are: Problem set: 12 solved, 166 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/289 variables, and 303 constraints, problems are : Problem set: 12 solved, 166 unsolved in 20031 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 77/77 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 166/178 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 36270ms problems are : Problem set: 12 solved, 166 unsolved
Search for dead transitions found 12 dead transitions in 36287ms
Found 12 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 12 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 12 transitions.
FORMULA QuasiLiveness FALSE TECHNIQUES STRUCTURAL_REDUCTION
Total runtime 36586 ms.

BK_STOP 1779523978864

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
++ perl -pe 's/.*\.//g'
+ 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="CopsAndRobbers-PT-HRL017X005"
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 CopsAndRobbers-PT-HRL017X005, 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 r072-tall-177946970400307"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CopsAndRobbers-PT-HRL017X005.tgz
mv CopsAndRobbers-PT-HRL017X005 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 ;