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.r344-smll-178021501000272.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 FileSystem-PT-N03I10B08, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r344-smll-178021501000272
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 804K
-rw-r--r-- 1 mcc users 8.2K May 27 10:19 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K May 27 10:19 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K May 27 10:19 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K May 27 10:19 CTLFireability.xml
-rw-r--r-- 1 mcc users 33K May 27 10:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 118K May 27 10:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K May 27 10:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 27 10:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 16K May 27 10:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 144K May 27 10:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.8K May 27 10:19 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 76K May 27 10:19 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 5.8K May 27 10:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 14K May 27 10:48 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 26 18:17 equiv_col
-rw-r--r-- 1 mcc users 10 May 26 18:17 instance
-rw-r--r-- 1 mcc users 6 May 26 18:17 iscolored
-rw-r--r-- 1 mcc users 191K Jun 10 11:57 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 1781100287989

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FileSystem-PT-N03I10B08
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-06-10 14:04:50] [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]
[2026-06-10 14:04:50] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-10 14:04:50] [INFO ] Load time of PNML (sax parser for PT used): 230 ms
[2026-06-10 14:04:50] [INFO ] Transformed 455 places.
[2026-06-10 14:04:50] [INFO ] Transformed 420 transitions.
[2026-06-10 14:04:50] [INFO ] Parsed PT model containing 455 places and 420 transitions and 1490 arcs in 463 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 455/455 places, 420/420 transitions.
Reduce places removed 90 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 100 rules applied. Total rules applied 100 place count 365 transition count 410
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 110 place count 355 transition count 410
Performed 160 Post agglomeration using F-continuation condition.Transition count delta: 160
Deduced a syphon composed of 160 places in 3 ms
Reduce places removed 160 places and 0 transitions.
Iterating global reduction 2 with 320 rules applied. Total rules applied 430 place count 195 transition count 250
Applied a total of 430 rules in 154 ms. Remains 195 /455 variables (removed 260) and now considering 250/420 (removed 170) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1258927555972836572.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4875415885971491884.kers'
[2026-06-10 14:04:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1258927555972836572.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4875415885971491884.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 250 rows 187 cols 830 entries
Finished phase 1 with 177 SingleSign rule and 0 generalized
[2026-06-10 14:04:51] [INFO ] Computed 18 invariants in 3 ms
Computed 18 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-4875415885971491884.kers
Total runtime 6 ms.
[2026-06-10 14:04:52] [INFO ] Implicit Places using invariants in 1118 ms returned []
[2026-06-10 14:04:52] [INFO ] Invariant cache hit.
[2026-06-10 14:04:52] [INFO ] State equation strengthened by 80 read => feed constraints.
[2026-06-10 14:04:53] [INFO ] Implicit Places using invariants and state equation in 1483 ms returned []
Implicit Place search using SMT with State Equation took 2676 ms to find 0 implicit places.
Running 240 sub problems to find dead transitions.
[2026-06-10 14:04:53] [INFO ] Invariant cache hit.
[2026-06-10 14:04:53] [INFO ] State equation strengthened by 80 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/184 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/184 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 2 (OVERLAPS) 11/195 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/195 variables, 15/33 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/195 variables, 5/38 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/195 variables, 4/42 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/195 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 7 (OVERLAPS) 250/445 variables, 195/237 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/445 variables, 80/317 constraints. Problems are: Problem set: 0 solved, 240 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 445/445 variables, and 317 constraints, problems are : Problem set: 0 solved, 240 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 195/195 constraints, ReadFeed: 80/80 constraints, PredecessorRefiner: 240/240 constraints, Known Traps: 24/24 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 240 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/184 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/184 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 2 (OVERLAPS) 11/195 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/195 variables, 24/42 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/195 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 5 (OVERLAPS) 250/445 variables, 195/237 constraints. Problems are: Problem set: 0 solved, 240 unsolved
Problem TDEAD116 is UNSAT
Problem TDEAD117 is UNSAT
Problem TDEAD124 is UNSAT
Problem TDEAD125 is UNSAT
Problem TDEAD126 is UNSAT
Problem TDEAD127 is UNSAT
Problem TDEAD148 is UNSAT
Problem TDEAD149 is UNSAT
Problem TDEAD156 is UNSAT
Problem TDEAD157 is UNSAT
Problem TDEAD158 is UNSAT
Problem TDEAD159 is UNSAT
At refinement iteration 6 (INCLUDED_ONLY) 0/445 variables, 80/317 constraints. Problems are: Problem set: 12 solved, 228 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/445 variables, 228/545 constraints. Problems are: Problem set: 12 solved, 228 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 445/445 variables, and 545 constraints, problems are : Problem set: 12 solved, 228 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 195/195 constraints, ReadFeed: 80/80 constraints, PredecessorRefiner: 228/240 constraints, Known Traps: 24/24 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60409ms problems are : Problem set: 12 solved, 228 unsolved
Search for dead transitions found 12 dead transitions in 60446ms
Found 12 dead transitions using SMT.
FORMULA QuasiLiveness FALSE TECHNIQUES STRUCTURAL_REDUCTION
Total runtime 63926 ms.

BK_STOP 1781100354178

--------------------
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="FileSystem-PT-N03I10B08"
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 FileSystem-PT-N03I10B08, 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 r344-smll-178021501000272"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FileSystem-PT-N03I10B08.tgz
mv FileSystem-PT-N03I10B08 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 ;