fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r168-smll-177961110200313
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for LeafsetExtension-PT-S32C2

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
603.563 19844.00 59377.00 118.40 F normal

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.r168-smll-177961110200313.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 LeafsetExtension-PT-S32C2, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r168-smll-177961110200313
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.9M
-rw-r--r-- 1 mcc users 11K Mar 7 16:52 CTLCardinality.txt
-rw-r--r-- 1 mcc users 68K Mar 7 16:52 CTLCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 7 16:52 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K Mar 7 16:52 CTLFireability.xml
-rw-r--r-- 1 mcc users 6.1K Mar 15 11:15 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 11:15 LTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K Mar 15 11:15 LTLFireability.txt
-rw-r--r-- 1 mcc users 22K Mar 15 11:15 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Mar 7 16:52 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 94K Mar 7 16:52 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 21K Mar 7 16:52 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 100K Mar 7 16:52 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 11:15 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.2K Mar 15 11:15 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 3.4M 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 StableMarking

=== Now, execution of the tool begins

BK_START 1779725093946

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=LeafsetExtension-PT-S32C2
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202604301425
[2026-05-25 16:04:56] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-25 16:04:56] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 16:04:56] [INFO ] Load time of PNML (sax parser for PT used): 495 ms
[2026-05-25 16:04:56] [INFO ] Transformed 5622 places.
[2026-05-25 16:04:56] [INFO ] Transformed 5449 transitions.
[2026-05-25 16:04:56] [INFO ] Parsed PT model containing 5622 places and 5449 transitions and 17500 arcs in 769 ms.
[2026-05-25 16:04:59] [INFO ] Flatten gal took : 979 ms
[2026-05-25 16:04:59] [INFO ] Flatten gal took : 508 ms
[2026-05-25 16:05:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5291753999700182683.gal : 280 ms
[2026-05-25 16:05:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10485251514959431188.prop : 68 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/ReachabilityCardinality5291753999700182683.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10485251514959431188.prop' '--nowitness' '--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 ...329
Loading property file /tmp/ReachabilityCardinality10485251514959431188.prop.
RANDOM walk for 40000 steps (2197 resets) in 17908 ms. (2 steps per ms) remains 78/5622 properties
BEST_FIRST walk for 4004 steps (16 resets) in 49 ms. (80 steps per ms) remains 70/78 properties
BEST_FIRST walk for 4003 steps (16 resets) in 97 ms. (40 steps per ms) remains 68/70 properties
BEST_FIRST walk for 4003 steps (16 resets) in 58 ms. (67 steps per ms) remains 63/68 properties
BEST_FIRST walk for 4003 steps (16 resets) in 35 ms. (111 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (16 resets) in 22 ms. (174 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (16 resets) in 46 ms. (85 steps per ms) remains 58/63 properties
BEST_FIRST walk for 4004 steps (16 resets) in 27 ms. (143 steps per ms) remains 58/58 properties
BEST_FIRST walk for 4003 steps (16 resets) in 28 ms. (138 steps per ms) remains 53/58 properties
BEST_FIRST walk for 4004 steps (16 resets) in 15 ms. (250 steps per ms) remains 53/53 properties
BEST_FIRST walk for 4004 steps (16 resets) in 23 ms. (166 steps per ms) remains 53/53 properties
BEST_FIRST walk for 4004 steps (16 resets) in 23 ms. (166 steps per ms) remains 53/53 properties
BEST_FIRST walk for 4004 steps (16 resets) in 21 ms. (182 steps per ms) remains 53/53 properties
BEST_FIRST walk for 4004 steps (16 resets) in 23 ms. (166 steps per ms) remains 53/53 properties
BEST_FIRST walk for 4004 steps (16 resets) in 22 ms. (174 steps per ms) remains 53/53 properties
BEST_FIRST walk for 4003 steps (16 resets) in 12 ms. (307 steps per ms) remains 53/53 properties
BEST_FIRST walk for 4004 steps (16 resets) in 16 ms. (235 steps per ms) remains 53/53 properties
BEST_FIRST walk for 4004 steps (16 resets) in 18 ms. (210 steps per ms) remains 48/53 properties
BEST_FIRST walk for 4004 steps (16 resets) in 12 ms. (308 steps per ms) remains 48/48 properties
BEST_FIRST walk for 4004 steps (16 resets) in 20 ms. (190 steps per ms) remains 48/48 properties
BEST_FIRST walk for 4004 steps (16 resets) in 12 ms. (308 steps per ms) remains 43/48 properties
BEST_FIRST walk for 4003 steps (16 resets) in 15 ms. (250 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (16 resets) in 46 ms. (85 steps per ms) remains 38/43 properties
BEST_FIRST walk for 4004 steps (16 resets) in 15 ms. (250 steps per ms) remains 38/38 properties
BEST_FIRST walk for 4004 steps (16 resets) in 11 ms. (333 steps per ms) remains 33/38 properties
BEST_FIRST walk for 4004 steps (16 resets) in 14 ms. (266 steps per ms) remains 33/33 properties
BEST_FIRST walk for 4004 steps (16 resets) in 14 ms. (266 steps per ms) remains 25/33 properties
BEST_FIRST walk for 4004 steps (17 resets) in 10 ms. (364 steps per ms) remains 20/25 properties
BEST_FIRST walk for 4004 steps (16 resets) in 16 ms. (235 steps per ms) remains 18/20 properties
BEST_FIRST walk for 4004 steps (16 resets) in 16 ms. (235 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (16 resets) in 17 ms. (222 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (16 resets) in 14 ms. (266 steps per ms) remains 16/18 properties
BEST_FIRST walk for 4004 steps (16 resets) in 12 ms. (308 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (16 resets) in 14 ms. (266 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (16 resets) in 14 ms. (266 steps per ms) remains 16/16 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5271853181674358103.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17457187933924874500.kers'
[2026-05-25 16:05:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5271853181674358103.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17457187933924874500.kers]
Culling duplicate invariants (modulo rational): removing 36 columns.
Culled 36 columns in 6 ms.
// Phase 1: matrix 5449 rows 5586 cols 15220 entries
Finished phase 1 with 3287 SingleSign rule and 2162 generalized
[2026-05-25 16:05:02] [INFO ] Computed 173 invariants in 143 ms
Computed 173 P flows in 149 ms.
Exported basis to /tmp/petrispot-output-17457187933924874500.kers
Total runtime 155 ms.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 794/810 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/810 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 5/815 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/815 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (OVERLAPS) 3814/4629 variables, 76/86 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4629 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 961/5590 variables, 58/144 constraints. Problems are: Problem set: 0 solved, 16 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5590/11071 variables, and 144 constraints, problems are : Problem set: 0 solved, 16 unsolved in 5070 ms.
Refiners :[Positive P Invariants (semi-flows): 68/68 constraints, Generalized P Invariants (flows): 76/105 constraints, State Equation: 0/5622 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 794/810 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/810 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 5/815 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/815 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (OVERLAPS) 3814/4629 variables, 76/86 constraints. Problems are: Problem set: 0 solved, 16 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 4629/11071 variables, and 86 constraints, problems are : Problem set: 0 solved, 16 unsolved in 5013 ms.
Refiners :[Positive P Invariants (semi-flows): 10/68 constraints, Generalized P Invariants (flows): 76/105 constraints, State Equation: 0/5622 constraints, PredecessorRefiner: 0/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10514ms problems are : Problem set: 0 solved, 16 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 16 out of 5622 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5622/5622 places, 5449/5449 transitions.
Graph (complete) has 11001 edges and 5622 vertex of which 293 are kept as prefixes of interest. Removing 5329 places using SCC suffix rule.15 ms
Discarding 5329 places :
Also discarding 3066 output transitions
Drop transitions (Output transitions of discarded places.) removed 3066 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1114 transitions
Reduce isomorphic transitions removed 1114 transitions.
Discarding 16 places :
Implicit places reduction removed 16 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 78 transitions
Trivial Post-agglo rules discarded 78 transitions
Performed 78 trivial Post agglomeration. Transition count delta: 78
Iterating post reduction 0 with 1208 rules applied. Total rules applied 1209 place count 277 transition count 1191
Reduce places removed 80 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 1 with 85 rules applied. Total rules applied 1294 place count 197 transition count 1186
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 1299 place count 192 transition count 1186
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 1299 place count 192 transition count 1181
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 1309 place count 187 transition count 1181
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1323 place count 173 transition count 1167
Iterating global reduction 3 with 14 rules applied. Total rules applied 1337 place count 173 transition count 1167
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 1341 place count 171 transition count 1165
Free-agglomeration rule (complex) applied 16 times.
Iterating global reduction 3 with 16 rules applied. Total rules applied 1357 place count 171 transition count 1149
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 3 with 16 rules applied. Total rules applied 1373 place count 155 transition count 1149
Partial Free-agglomeration rule applied 60 times.
Drop transitions (Partial Free agglomeration) removed 60 transitions
Iterating global reduction 4 with 60 rules applied. Total rules applied 1433 place count 155 transition count 1149
Discarding 4 places :
Implicit places reduction removed 4 places
Iterating post reduction 4 with 4 rules applied. Total rules applied 1437 place count 151 transition count 1149
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 5 with 2 rules applied. Total rules applied 1439 place count 151 transition count 1147
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 1441 place count 149 transition count 1147
Applied a total of 1441 rules in 353 ms. Remains 149 /5622 variables (removed 5473) and now considering 1147/5449 (removed 4302) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 364 ms. Remains : 149/5622 places, 1147/5449 transitions.
RANDOM walk for 4364 steps (1132 resets) in 366 ms. (11 steps per ms) remains 0/16 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 5622 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL
Total runtime 17657 ms.

BK_STOP 1779725113790

--------------------
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
+ [[ StableMarking = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StableMarking -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 StableMarking -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="LeafsetExtension-PT-S32C2"
export BK_EXAMINATION="StableMarking"
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 LeafsetExtension-PT-S32C2, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r168-smll-177961110200313"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LeafsetExtension-PT-S32C2.tgz
mv LeafsetExtension-PT-S32C2 execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.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 '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;