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.r024-smll-177946789600187.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 BlocksWorld-PT-02, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r024-smll-177946789600187
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 636K
-rw-r--r-- 1 mcc users 9.1K Mar 5 16:51 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K Mar 5 16:51 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Mar 5 16:51 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Mar 5 16:51 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.5K Mar 15 07:25 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 07:25 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 07:26 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:26 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 5 16:51 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 99K Mar 5 16:51 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 5 16:51 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 89K Mar 5 16:51 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:26 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:26 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 175K 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 1779474632122

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=BlocksWorld-PT-02
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-22 18:30:34] [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]
[2026-05-22 18:30:34] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 18:30:35] [INFO ] Load time of PNML (sax parser for PT used): 235 ms
[2026-05-22 18:30:35] [INFO ] Transformed 209 places.
[2026-05-22 18:30:35] [INFO ] Transformed 365 transitions.
[2026-05-22 18:30:35] [INFO ] Found NUPN structural information;
[2026-05-22 18:30:35] [INFO ] Completing missing partition info from NUPN : creating a component with [pred_on_table_0, pred_arm_empty_0, pred_on_table_1, pred_on_table_2, pred_on_table_3, pred_on_table_4, pred_on_table_5, pred_on_table_6, pred_on_table_7, pred_on_table_8, pred_on_table_9, pred_on_table_10, pred_on_table_11, pred_on_table_12]
[2026-05-22 18:30:35] [INFO ] Parsed PT model containing 209 places and 365 transitions and 1810 arcs in 477 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 209/209 places, 365/365 transitions.
Applied a total of 0 rules in 44 ms. Remains 209 /209 variables (removed 0) and now considering 365/365 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3898392541671911488.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17931635095653152971.kers'
[2026-05-22 18:30:35] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3898392541671911488.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17931635095653152971.kers]
Normalized transition count is 364 out of 365 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 364 rows 209 cols 1742 entries
Finished phase 1 with 182 SingleSign rule and 0 generalized
[2026-05-22 18:30:35] [INFO ] Computed 27 invariants in 4 ms
Computed 27 P flows in 13 ms.
Exported basis to /tmp/petrispot-output-17931635095653152971.kers
Total runtime 15 ms.
[2026-05-22 18:30:36] [INFO ] Implicit Places using invariants in 956 ms returned []
[2026-05-22 18:30:36] [INFO ] Invariant cache hit.
[2026-05-22 18:30:36] [INFO ] State equation strengthened by 19 read => feed constraints.
[2026-05-22 18:30:37] [INFO ] Implicit Places using invariants and state equation in 1537 ms returned []
Implicit Place search using SMT with State Equation took 2568 ms to find 0 implicit places.
Running 361 sub problems to find dead transitions.
[2026-05-22 18:30:38] [INFO ] Invariant cache hit.
[2026-05-22 18:30:38] [INFO ] State equation strengthened by 19 read => feed constraints.
Problem TDEAD1 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD54 is UNSAT
Problem TDEAD68 is UNSAT
Problem TDEAD82 is UNSAT
Problem TDEAD96 is UNSAT
Problem TDEAD110 is UNSAT
Problem TDEAD124 is UNSAT
Problem TDEAD138 is UNSAT
Problem TDEAD152 is UNSAT
Problem TDEAD180 is UNSAT
Problem TDEAD232 is UNSAT
Problem TDEAD254 is UNSAT
Problem TDEAD274 is UNSAT
Problem TDEAD292 is UNSAT
Problem TDEAD308 is UNSAT
Problem TDEAD322 is UNSAT
Problem TDEAD334 is UNSAT
Problem TDEAD344 is UNSAT
Problem TDEAD358 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/205 variables, 20/20 constraints. Problems are: Problem set: 20 solved, 341 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/205 variables, 0/20 constraints. Problems are: Problem set: 20 solved, 341 unsolved
Problem TDEAD40 is UNSAT
Problem TDEAD166 is UNSAT
Problem TDEAD194 is UNSAT
Problem TDEAD208 is UNSAT
Problem TDEAD352 is UNSAT
Problem TDEAD362 is UNSAT
At refinement iteration 2 (OVERLAPS) 4/209 variables, 7/27 constraints. Problems are: Problem set: 26 solved, 335 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/209 variables, 2/29 constraints. Problems are: Problem set: 26 solved, 335 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/209 variables, 0/29 constraints. Problems are: Problem set: 26 solved, 335 unsolved
At refinement iteration 5 (OVERLAPS) 364/573 variables, 209/238 constraints. Problems are: Problem set: 26 solved, 335 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/573 variables, 18/256 constraints. Problems are: Problem set: 26 solved, 335 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/573 variables, 0/256 constraints. Problems are: Problem set: 26 solved, 335 unsolved
At refinement iteration 8 (OVERLAPS) 1/574 variables, 1/257 constraints. Problems are: Problem set: 26 solved, 335 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 574/574 variables, and 257 constraints, problems are : Problem set: 26 solved, 335 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, State Equation: 209/209 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 361/361 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 26 solved, 335 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 1/1 constraints. Problems are: Problem set: 26 solved, 335 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/1 constraints. Problems are: Problem set: 26 solved, 335 unsolved
At refinement iteration 2 (OVERLAPS) 17/209 variables, 26/27 constraints. Problems are: Problem set: 26 solved, 335 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/209 variables, 2/29 constraints. Problems are: Problem set: 26 solved, 335 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/209 variables, 5/34 constraints. Problems are: Problem set: 26 solved, 335 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/209 variables, 3/37 constraints. Problems are: Problem set: 26 solved, 335 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/209 variables, 3/40 constraints. Problems are: Problem set: 26 solved, 335 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/209 variables, 4/44 constraints. Problems are: Problem set: 26 solved, 335 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/209 variables, 2/46 constraints. Problems are: Problem set: 26 solved, 335 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/209 variables, 0/46 constraints. Problems are: Problem set: 26 solved, 335 unsolved
At refinement iteration 10 (OVERLAPS) 364/573 variables, 209/255 constraints. Problems are: Problem set: 26 solved, 335 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/573 variables, 18/273 constraints. Problems are: Problem set: 26 solved, 335 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/573 variables, 335/608 constraints. Problems are: Problem set: 26 solved, 335 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 573/574 variables, and 608 constraints, problems are : Problem set: 26 solved, 335 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, State Equation: 209/209 constraints, ReadFeed: 18/19 constraints, PredecessorRefiner: 335/361 constraints, Known Traps: 19/19 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61714ms problems are : Problem set: 26 solved, 335 unsolved
Search for dead transitions found 26 dead transitions in 61755ms
Found 26 dead transitions using SMT.
FORMULA QuasiLiveness FALSE TECHNIQUES STRUCTURAL_REDUCTION
Total runtime 65054 ms.

BK_STOP 1779474699788

--------------------
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="BlocksWorld-PT-02"
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 BlocksWorld-PT-02, 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 r024-smll-177946789600187"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BlocksWorld-PT-02.tgz
mv BlocksWorld-PT-02 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 ;