fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r018-smll-177946788100304
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for BlocksWorld-PT-02

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
16200.163 3600000.00 3420650.00 90809.10 [undef] Time out reached

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.r018-smll-177946788100304.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 StateSpace
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r018-smll-177946788100304
=====================================================================

--------------------
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)

no data necessary for post analysis


=== Now, execution of the tool begins

BK_START 1779571228365

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StateSpace
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BlocksWorld-PT-02
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StateSpace PT
Running Version 202604301425
[2026-05-23 21:20:30] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StateSpace, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-23 21:20:30] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 21:20:31] [INFO ] Load time of PNML (sax parser for PT used): 213 ms
[2026-05-23 21:20:31] [INFO ] Transformed 209 places.
[2026-05-23 21:20:31] [INFO ] Transformed 365 transitions.
[2026-05-23 21:20:31] [INFO ] Found NUPN structural information;
[2026-05-23 21:20:31] [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]
[2026-05-23 21:20:31] [INFO ] Parsed PT model containing 209 places and 365 transitions and 1810 arcs in 448 ms.
Reduce redundant transitions removed 1 transitions.
Starting structural reductions in STATESPACE mode, iteration 0 : 209/209 places, 364/364 transitions.
[2026-05-23 21:20:31] [INFO ] Redundant transitions in 42 ms returned []
Running 360 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-8847765715896688527.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11667563136766191216.kers'
[2026-05-23 21:20:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8847765715896688527.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11667563136766191216.kers]
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
[2026-05-23 21:20:31] [INFO ] Computed 27 invariants in 3 ms
Computed 27 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-11667563136766191216.kers
Total runtime 5 ms.
[2026-05-23 21:20:31] [INFO ] State equation strengthened by 18 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, 340 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/205 variables, 0/20 constraints. Problems are: Problem set: 20 solved, 340 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, 334 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/209 variables, 0/27 constraints. Problems are: Problem set: 26 solved, 334 unsolved
At refinement iteration 4 (OVERLAPS) 364/573 variables, 209/236 constraints. Problems are: Problem set: 26 solved, 334 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/573 variables, 18/254 constraints. Problems are: Problem set: 26 solved, 334 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/573 variables, 3/257 constraints. Problems are: Problem set: 26 solved, 334 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/573 variables, 0/257 constraints. Problems are: Problem set: 26 solved, 334 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 573/573 variables, and 257 constraints, problems are : Problem set: 26 solved, 334 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, State Equation: 209/209 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 360/360 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 26 solved, 334 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 1/1 constraints. Problems are: Problem set: 26 solved, 334 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 3/4 constraints. Problems are: Problem set: 26 solved, 334 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/192 variables, 0/4 constraints. Problems are: Problem set: 26 solved, 334 unsolved
At refinement iteration 3 (OVERLAPS) 17/209 variables, 26/30 constraints. Problems are: Problem set: 26 solved, 334 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/209 variables, 0/30 constraints. Problems are: Problem set: 26 solved, 334 unsolved
At refinement iteration 5 (OVERLAPS) 364/573 variables, 209/239 constraints. Problems are: Problem set: 26 solved, 334 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/573 variables, 18/257 constraints. Problems are: Problem set: 26 solved, 334 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/573 variables, 334/591 constraints. Problems are: Problem set: 26 solved, 334 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 573/573 variables, and 610 constraints, problems are : Problem set: 26 solved, 334 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, State Equation: 209/209 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 334/360 constraints, Known Traps: 22/22 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61469ms problems are : Problem set: 26 solved, 334 unsolved
Search for dead transitions found 26 dead transitions in 61519ms
Found 26 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 26 transitions
Dead transitions reduction (with SMT) removed 26 transitions
Starting structural reductions in STATESPACE mode, iteration 1 : 209/209 places, 338/364 transitions.
Reduce places removed 13 places and 0 transitions.
Starting structural reductions in STATESPACE mode, iteration 2 : 196/209 places, 338/364 transitions.
Finished structural reductions in STATESPACE mode , in 2 iterations and 61915 ms. Remains : 196/209 places, 338/364 transitions.
Final net has 196 places and 338 transitions.
[2026-05-23 21:21:33] [INFO ] Flatten gal took : 138 ms
[2026-05-23 21:21:33] [INFO ] Applying decomposition
[2026-05-23 21:21:33] [INFO ] Flatten gal took : 65 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph15456833521174339763.txt' '-o' '/tmp/graph15456833521174339763.bin' '-w' '/tmp/graph15456833521174339763.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph15456833521174339763.bin' '-l' '-1' '-v' '-w' '/tmp/graph15456833521174339763.weights' '-q' '0' '-e' '0.001'
[2026-05-23 21:21:34] [INFO ] Decomposing Gal with order
[2026-05-23 21:21:34] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 21:21:34] [INFO ] Removed a total of 546 redundant transitions.
[2026-05-23 21:21:34] [INFO ] Flatten gal took : 175 ms
[2026-05-23 21:21:34] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 9 ms.
[2026-05-23 21:21:34] [INFO ] Time to serialize gal into /tmp/StateSpace15945738008868549233.gal : 18 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/StateSpace15945738008868549233.gal' '-t' 'CGAL' '--stats'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...220
Detected timeout of ITS tools.
[2026-05-23 21:41:56] [INFO ] Applying decomposition
[2026-05-23 21:41:58] [INFO ] Flatten gal took : 1745 ms
[2026-05-23 21:41:58] [INFO ] Decomposing Gal with order
[2026-05-23 21:41:58] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 21:41:59] [INFO ] Removed a total of 934 redundant transitions.
[2026-05-23 21:41:59] [INFO ] Flatten gal took : 193 ms
[2026-05-23 21:41:59] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 8 ms.
[2026-05-23 21:41:59] [INFO ] Time to serialize gal into /tmp/StateSpace9510477523949978703.gal : 28 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/StateSpace9510477523949978703.gal' '-t' 'CGAL' '--stats'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...219
Detected timeout of ITS tools.
[2026-05-23 22:02:22] [INFO ] Flatten gal took : 1205 ms
[2026-05-23 22:02:23] [INFO ] Input system was already deterministic with 338 transitions.
[2026-05-23 22:02:24] [INFO ] Transformed 196 places.
[2026-05-23 22:02:24] [INFO ] Transformed 338 transitions.
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/pinvar' '/home/mcc/execution/gspn'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/RGMEDD2' '/home/mcc/execution/gspn' '-META' '-varord-only'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Using order generated by GreatSPN with heuristic : META
[2026-05-23 22:02:24] [INFO ] Time to serialize gal into /tmp/StateSpace17791937254583599948.gal : 9 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/StateSpace17791937254583599948.gal' '-t' 'CGAL' '--stats' '--load-order' '/home/mcc/execution/model.ord' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...286
Successfully loaded order from file /home/mcc/execution/model.ord

BK_TIME_CONFINEMENT_REACHED

--------------------
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
+ [[ StateSpace = StateSpace ]]
+ [[ -f modelMain.xml ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StateSpace -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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 StateSpace -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="StateSpace"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
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 StateSpace"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r018-smll-177946788100304"
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 [ "StateSpace" = "ReachabilityDeadlock" ] || [ "StateSpace" = "UpperBounds" ] || [ "StateSpace" = "QuasiLiveness" ] || [ "StateSpace" = "StableMarking" ] || [ "StateSpace" = "Liveness" ] || [ "StateSpace" = "OneSafe" ] || [ "StateSpace" = "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 [ "StateSpace" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StateSpace" != "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 "StateSpace.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 '' StateSpace.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StateSpace" = "ReachabilityDeadlock" ] || [ "StateSpace" = "QuasiLiveness" ] || [ "StateSpace" = "StableMarking" ] || [ "StateSpace" = "Liveness" ] || [ "StateSpace" = "OneSafe" ] ; then
echo "FORMULA_NAME StateSpace"
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 ;