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-177946789600182.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 BlocksWorld-PT-01, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r024-smll-177946789600182
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 512K
-rw-r--r-- 1 mcc users 6.9K Mar 5 16:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K Mar 5 16:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Mar 5 16:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K Mar 5 16:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K 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 2.6K Mar 15 07:25 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 07:25 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 5 16:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 105K Mar 5 16:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Mar 5 16:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 68K Mar 5 16:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:25 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:25 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 87K 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 1779474445074

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-01
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-22 18:27:27] [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 18:27:27] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 18:27:27] [INFO ] Load time of PNML (sax parser for PT used): 144 ms
[2026-05-22 18:27:27] [INFO ] Transformed 109 places.
[2026-05-22 18:27:27] [INFO ] Transformed 181 transitions.
[2026-05-22 18:27:27] [INFO ] Found NUPN structural information;
[2026-05-22 18:27:27] [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]
[2026-05-22 18:27:27] [INFO ] Parsed PT model containing 109 places and 181 transitions and 896 arcs in 349 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 109/109 places, 181/181 transitions.
Applied a total of 0 rules in 19 ms. Remains 109 /109 variables (removed 0) and now considering 181/181 (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-2343456382882159207.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9383209869175143673.kers'
[2026-05-22 18:27:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2343456382882159207.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9383209869175143673.kers]
Normalized transition count is 180 out of 181 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 180 rows 109 cols 846 entries
Finished phase 1 with 90 SingleSign rule and 0 generalized
[2026-05-22 18:27:27] [INFO ] Computed 19 invariants in 1 ms
Computed 19 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-9383209869175143673.kers
Total runtime 3 ms.
[2026-05-22 18:27:28] [INFO ] Implicit Places using invariants in 553 ms returned []
[2026-05-22 18:27:28] [INFO ] Invariant cache hit.
[2026-05-22 18:27:28] [INFO ] State equation strengthened by 15 read => feed constraints.
[2026-05-22 18:27:29] [INFO ] Implicit Places using invariants and state equation in 552 ms returned []
Implicit Place search using SMT with State Equation took 1155 ms to find 0 implicit places.
Running 179 sub problems to find dead transitions.
[2026-05-22 18:27:29] [INFO ] Invariant cache hit.
[2026-05-22 18:27:29] [INFO ] State equation strengthened by 15 read => feed constraints.
Problem TDEAD28 is UNSAT
Problem TDEAD48 is UNSAT
Problem TDEAD58 is UNSAT
Problem TDEAD68 is UNSAT
Problem TDEAD78 is UNSAT
Problem TDEAD88 is UNSAT
Problem TDEAD98 is UNSAT
Problem TDEAD108 is UNSAT
Problem TDEAD138 is UNSAT
Problem TDEAD150 is UNSAT
Problem TDEAD160 is UNSAT
Problem TDEAD168 is UNSAT
Problem TDEAD174 is UNSAT
Problem TDEAD178 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 15/15 constraints. Problems are: Problem set: 14 solved, 165 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 0/15 constraints. Problems are: Problem set: 14 solved, 165 unsolved
Problem TDEAD1 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD124 is UNSAT
At refinement iteration 2 (OVERLAPS) 2/109 variables, 4/19 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/109 variables, 0/19 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 4 (OVERLAPS) 180/289 variables, 109/128 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/289 variables, 14/142 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 2/144 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 2/146 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/289 variables, 3/149 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/289 variables, 1/150 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/289 variables, 1/151 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/289 variables, 1/152 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/289 variables, 0/152 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 13 (OVERLAPS) 1/290 variables, 1/153 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/290 variables, 0/153 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 15 (OVERLAPS) 0/290 variables, 0/153 constraints. Problems are: Problem set: 18 solved, 161 unsolved
No progress, stopping.
After SMT solving in domain Real declared 290/290 variables, and 153 constraints, problems are : Problem set: 18 solved, 161 unsolved in 21295 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 109/109 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 179/179 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 18 solved, 161 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 1/1 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 3/4 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/4 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 3 (OVERLAPS) 11/109 variables, 18/22 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 7/29 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/109 variables, 0/29 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 6 (OVERLAPS) 180/289 variables, 109/138 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 14/152 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/289 variables, 161/313 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/289 variables, 20/333 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/289 variables, 20/353 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/289 variables, 20/373 constraints. Problems are: Problem set: 18 solved, 161 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/290 variables, and 388 constraints, problems are : Problem set: 18 solved, 161 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 109/109 constraints, ReadFeed: 14/15 constraints, PredecessorRefiner: 161/179 constraints, Known Traps: 85/85 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 52073ms problems are : Problem set: 18 solved, 161 unsolved
Search for dead transitions found 18 dead transitions in 52104ms
Found 18 dead transitions using SMT.
FORMULA QuasiLiveness FALSE TECHNIQUES STRUCTURAL_REDUCTION
Total runtime 53780 ms.

BK_STOP 1779474501302

--------------------
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-01"
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-01, 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-177946789600182"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BlocksWorld-PT-01.tgz
mv BlocksWorld-PT-01 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 ;