fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r130-smll-177955809200527
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for FMS-PT-00500

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
208.924 3197.00 7714.00 100.20 TFFFFTFFFFTFTFTF 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.r130-smll-177955809200527.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 FMS-PT-00500, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809200527
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 512K
-rw-r--r-- 1 mcc users 6.7K Mar 7 05:13 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K Mar 7 05:13 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Mar 7 05:12 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 7 05:12 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.4K Mar 15 10:18 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 10:18 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 10:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 10:18 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Mar 7 05:13 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 158K Mar 7 05:13 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K Mar 7 05:13 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 75K Mar 7 05:13 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 15 10:18 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 10:18 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 16K 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 FMS-PT-00500-ReachabilityFireability-2024-00
FORMULA_NAME FMS-PT-00500-ReachabilityFireability-2024-01
FORMULA_NAME FMS-PT-00500-ReachabilityFireability-2024-02
FORMULA_NAME FMS-PT-00500-ReachabilityFireability-2024-03
FORMULA_NAME FMS-PT-00500-ReachabilityFireability-2024-04
FORMULA_NAME FMS-PT-00500-ReachabilityFireability-2024-05
FORMULA_NAME FMS-PT-00500-ReachabilityFireability-2024-06
FORMULA_NAME FMS-PT-00500-ReachabilityFireability-2024-07
FORMULA_NAME FMS-PT-00500-ReachabilityFireability-2024-08
FORMULA_NAME FMS-PT-00500-ReachabilityFireability-2024-09
FORMULA_NAME FMS-PT-00500-ReachabilityFireability-2024-10
FORMULA_NAME FMS-PT-00500-ReachabilityFireability-2024-11
FORMULA_NAME FMS-PT-00500-ReachabilityFireability-2024-12
FORMULA_NAME FMS-PT-00500-ReachabilityFireability-2024-13
FORMULA_NAME FMS-PT-00500-ReachabilityFireability-2024-14
FORMULA_NAME FMS-PT-00500-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779958793634

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FMS-PT-00500
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-28 08:59:55] [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]
[2026-05-28 08:59:55] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-28 08:59:55] [INFO ] Load time of PNML (sax parser for PT used): 53 ms
[2026-05-28 08:59:55] [INFO ] Transformed 22 places.
[2026-05-28 08:59:55] [INFO ] Transformed 20 transitions.
[2026-05-28 08:59:55] [INFO ] Parsed PT model containing 22 places and 20 transitions and 50 arcs in 199 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 25 ms.
Reduction of identical properties reduced properties to check from 16 to 14
Working with output stream class java.io.PrintStream
FORMULA FMS-PT-00500-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FMS-PT-00500-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FMS-PT-00500-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40606 steps (8 resets) in 290 ms. (139 steps per ms) remains 2/11 properties
FORMULA FMS-PT-00500-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FMS-PT-00500-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FMS-PT-00500-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FMS-PT-00500-ReachabilityFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FMS-PT-00500-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FMS-PT-00500-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FMS-PT-00500-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FMS-PT-00500-ReachabilityFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FMS-PT-00500-ReachabilityFireability-2024-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FMS-PT-00500-ReachabilityFireability-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FMS-PT-00500-ReachabilityFireability-2024-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40002 steps (8 resets) in 593 ms. (67 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 275 ms. (144 steps per ms) remains 2/2 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14541513347043877891.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2936116304449257279.kers'
[2026-05-28 08:59:56] [INFO ] Flatten gal took : 28 ms
[2026-05-28 08:59:56] [INFO ] Flatten gal took : 7 ms
[2026-05-28 08:59:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14541513347043877891.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2936116304449257279.kers]
[2026-05-28 08:59:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1073954442468953658.gal : 7 ms
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 20 rows 19 cols 42 entries
Finished phase 1 with 15 SingleSign rule and 1 generalized
[2026-05-28 08:59:56] [INFO ] Computed 6 invariants in 1 ms
Computed 6 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-2936116304449257279.kers
Total runtime 2 ms.
[2026-05-28 08:59:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14457538893927180740.prop : 3 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/ReachabilityCardinality1073954442468953658.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14457538893927180740.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/ReachabilityCardinality14457538893927180740.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 25
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :25 after 121
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :121 after 1034
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :1034 after 7549
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :7549 after 54955
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :54955 after 431635
Problem FMS-PT-00500-ReachabilityFireability-2024-10 is UNSAT
FORMULA FMS-PT-00500-ReachabilityFireability-2024-10 TRUE TECHNIQUES SMT_REFINEMENT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 2/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/18 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 3/21 variables, 2/4 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 1/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/21 variables, 0/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/22 variables, 1/6 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/22 variables, 0/6 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 20/42 variables, 22/28 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/42 variables, 0/28 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/42 variables, 0/28 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 42/42 variables, and 28 constraints, problems are : Problem set: 1 solved, 1 unsolved in 257 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :431635 after 3.42228e+06
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 2/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/16 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 4/20 variables, 2/4 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 1/21 variables, 1/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/21 variables, 0/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1/22 variables, 1/6 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/22 variables, 0/6 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 20/42 variables, 22/28 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/42 variables, 1/29 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/42 variables, 0/29 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/42 variables, 0/29 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 42/42 variables, and 29 constraints, problems are : Problem set: 1 solved, 1 unsolved in 164 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 572ms problems are : Problem set: 1 solved, 1 unsolved
Finished Parikh walk after 2699 steps, including 0 resets, run visited all 1 properties in 10 ms. (steps per millisecond=269 )
FORMULA FMS-PT-00500-ReachabilityFireability-2024-11 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 17 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 1382 ms.

BK_STOP 1779958796831

--------------------
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//
++ 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 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="FMS-PT-00500"
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 FMS-PT-00500, 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 r130-smll-177955809200527"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FMS-PT-00500.tgz
mv FMS-PT-00500 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 ;