fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r050-smll-177946901200311
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for ClientsAndServers-PT-N0005P1

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
250.071 4222.00 10114.00 98.20 FTTFTFFTFFTTFFFF 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.r050-smll-177946901200311.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 ClientsAndServers-PT-N0005P1, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r050-smll-177946901200311
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 476K
-rw-r--r-- 1 mcc users 6.5K Mar 6 10:55 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K Mar 6 10:55 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 6 10:55 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K Mar 6 10:55 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 08:08 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 08:08 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:08 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.8K Mar 6 10:55 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 104K Mar 6 10:55 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 6 10:55 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 99K Mar 6 10:55 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:08 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:08 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 9.2K 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

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME ClientsAndServers-PT-N0005P1-ReachabilityFireability-2024-00
FORMULA_NAME ClientsAndServers-PT-N0005P1-ReachabilityFireability-2024-01
FORMULA_NAME ClientsAndServers-PT-N0005P1-ReachabilityFireability-2024-02
FORMULA_NAME ClientsAndServers-PT-N0005P1-ReachabilityFireability-2024-03
FORMULA_NAME ClientsAndServers-PT-N0005P1-ReachabilityFireability-2024-04
FORMULA_NAME ClientsAndServers-PT-N0005P1-ReachabilityFireability-2024-05
FORMULA_NAME ClientsAndServers-PT-N0005P1-ReachabilityFireability-2024-06
FORMULA_NAME ClientsAndServers-PT-N0005P1-ReachabilityFireability-2024-07
FORMULA_NAME ClientsAndServers-PT-N0005P1-ReachabilityFireability-2024-08
FORMULA_NAME ClientsAndServers-PT-N0005P1-ReachabilityFireability-2024-09
FORMULA_NAME ClientsAndServers-PT-N0005P1-ReachabilityFireability-2024-10
FORMULA_NAME ClientsAndServers-PT-N0005P1-ReachabilityFireability-2024-11
FORMULA_NAME ClientsAndServers-PT-N0005P1-ReachabilityFireability-2024-12
FORMULA_NAME ClientsAndServers-PT-N0005P1-ReachabilityFireability-2024-13
FORMULA_NAME ClientsAndServers-PT-N0005P1-ReachabilityFireability-2024-14
FORMULA_NAME ClientsAndServers-PT-N0005P1-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779613197505

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ClientsAndServers-PT-N0005P1
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-24 08:59:59] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 08:59:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 09:00:00] [INFO ] Load time of PNML (sax parser for PT used): 74 ms
[2026-05-24 09:00:00] [INFO ] Transformed 25 places.
[2026-05-24 09:00:00] [INFO ] Transformed 18 transitions.
[2026-05-24 09:00:00] [INFO ] Parsed PT model containing 25 places and 18 transitions and 54 arcs in 278 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 47 ms.
Reduction of identical properties reduced properties to check from 16 to 14
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA ClientsAndServers-PT-N0005P1-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ClientsAndServers-PT-N0005P1-ReachabilityFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ClientsAndServers-PT-N0005P1-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ClientsAndServers-PT-N0005P1-ReachabilityFireability-2024-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ClientsAndServers-PT-N0005P1-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ClientsAndServers-PT-N0005P1-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40018 steps (27 resets) in 866 ms. (46 steps per ms) remains 2/8 properties
FORMULA ClientsAndServers-PT-N0005P1-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ClientsAndServers-PT-N0005P1-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ClientsAndServers-PT-N0005P1-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ClientsAndServers-PT-N0005P1-ReachabilityFireability-2024-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ClientsAndServers-PT-N0005P1-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ClientsAndServers-PT-N0005P1-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ClientsAndServers-PT-N0005P1-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ClientsAndServers-PT-N0005P1-ReachabilityFireability-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40003 steps (14 resets) in 558 ms. (71 steps per ms) remains 2/2 properties
[2026-05-24 09:00:00] [INFO ] Flatten gal took : 70 ms
[2026-05-24 09:00:00] [INFO ] Flatten gal took : 20 ms
[2026-05-24 09:00:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1477124613159861661.gal : 9 ms
BEST_FIRST walk for 40003 steps (8 resets) in 406 ms. (98 steps per ms) remains 1/2 properties
FORMULA ClientsAndServers-PT-N0005P1-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2026-05-24 09:00:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14391446349045808662.prop : 2 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/ReachabilityCardinality1477124613159861661.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14391446349045808662.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/ReachabilityCardinality14391446349045808662.prop.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9894892017609403882.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-573806754764076120.kers'
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1421 after 2527
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2527 after 2570
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :2570 after 5061
[2026-05-24 09:00:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9894892017609403882.kers, --Pflows, --basisKERS=/tmp/petrispot-output-573806754764076120.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 25 cols 54 entries
Finished phase 1 with 14 SingleSign rule and 3 generalized
[2026-05-24 09:00:00] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-573806754764076120.kers
Total runtime 1 ms.
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :19714 after 34654
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 11/23 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :145121 after 214703
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 2/25 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :214703 after 271466
At refinement iteration 6 (OVERLAPS) 18/43 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/43 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/43 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 43/43 variables, and 33 constraints, problems are : Problem set: 0 solved, 1 unsolved in 403 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 11/23 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 2/25 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 18/43 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/43 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/43 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/43 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 43/43 variables, and 34 constraints, problems are : Problem set: 0 solved, 1 unsolved in 187 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 694ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 98 steps, including 0 resets, run visited all 1 properties in 3 ms. (steps per millisecond=32 )
FORMULA ClientsAndServers-PT-N0005P1-ReachabilityFireability-2024-04 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 14 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 1887 ms.

BK_STOP 1779613201727

--------------------
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
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -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="ClientsAndServers-PT-N0005P1"
export BK_EXAMINATION="ReachabilityFireability"
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 ClientsAndServers-PT-N0005P1, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r050-smll-177946901200311"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ClientsAndServers-PT-N0005P1.tgz
mv ClientsAndServers-PT-N0005P1 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;