fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r066-tall-177946967700342
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for CO4-PT-08

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
512.775 5043.00 15594.00 53.50 FFFFFFTTTFFTFFFF 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.r066-tall-177946967700342.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 CO4-PT-08, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967700342
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 568K
-rw-r--r-- 1 mcc users 6.6K Mar 6 13:25 CTLCardinality.txt
-rw-r--r-- 1 mcc users 71K Mar 6 13:25 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 6 13:25 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K Mar 6 13:25 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:30 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 08:30 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 08:30 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:30 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 13:25 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 121K Mar 6 13:25 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Mar 6 13:25 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 6 13:25 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 15 08:30 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:30 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 138K 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 CO4-PT-08-ReachabilityCardinality-2024-00
FORMULA_NAME CO4-PT-08-ReachabilityCardinality-2024-01
FORMULA_NAME CO4-PT-08-ReachabilityCardinality-2024-02
FORMULA_NAME CO4-PT-08-ReachabilityCardinality-2024-03
FORMULA_NAME CO4-PT-08-ReachabilityCardinality-2024-04
FORMULA_NAME CO4-PT-08-ReachabilityCardinality-2024-05
FORMULA_NAME CO4-PT-08-ReachabilityCardinality-2024-06
FORMULA_NAME CO4-PT-08-ReachabilityCardinality-2024-07
FORMULA_NAME CO4-PT-08-ReachabilityCardinality-2024-08
FORMULA_NAME CO4-PT-08-ReachabilityCardinality-2024-09
FORMULA_NAME CO4-PT-08-ReachabilityCardinality-2024-10
FORMULA_NAME CO4-PT-08-ReachabilityCardinality-2024-11
FORMULA_NAME CO4-PT-08-ReachabilityCardinality-2024-12
FORMULA_NAME CO4-PT-08-ReachabilityCardinality-2024-13
FORMULA_NAME CO4-PT-08-ReachabilityCardinality-2024-14
FORMULA_NAME CO4-PT-08-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779521971048

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CO4-PT-08
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-23 07:39:32] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-23 07:39:32] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 07:39:32] [INFO ] Load time of PNML (sax parser for PT used): 90 ms
[2026-05-23 07:39:32] [INFO ] Transformed 467 places.
[2026-05-23 07:39:32] [INFO ] Transformed 600 transitions.
[2026-05-23 07:39:32] [INFO ] Found NUPN structural information;
[2026-05-23 07:39:32] [INFO ] Parsed PT model containing 467 places and 600 transitions and 1596 arcs in 192 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 17 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 108 places in 6 ms
Reduce places removed 108 places and 155 transitions.
FORMULA CO4-PT-08-ReachabilityCardinality-2024-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-08-ReachabilityCardinality-2024-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-08-ReachabilityCardinality-2024-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-08-ReachabilityCardinality-2024-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-23 07:39:32] [INFO ] Flatten gal took : 110 ms
[2026-05-23 07:39:32] [INFO ] Flatten gal took : 59 ms
RANDOM walk for 40000 steps (365 resets) in 1606 ms. (24 steps per ms) remains 9/12 properties
FORMULA CO4-PT-08-ReachabilityCardinality-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CO4-PT-08-ReachabilityCardinality-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CO4-PT-08-ReachabilityCardinality-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-23 07:39:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7975919560012775461.gal : 48 ms
[2026-05-23 07:39:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17159550840924507236.prop : 4 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/ReachabilityCardinality7975919560012775461.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17159550840924507236.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40002 steps (239 resets) in 461 ms. (86 steps per ms) remains 9/9 properties

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
BEST_FIRST walk for 40001 steps (269 resets) in 184 ms. (216 steps per ms) remains 9/9 properties
Loading property file /tmp/ReachabilityCardinality17159550840924507236.prop.
BEST_FIRST walk for 40000 steps (228 resets) in 220 ms. (180 steps per ms) remains 9/9 properties
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :5 after 6
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :6 after 10
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :10 after 22
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :22 after 82
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :82 after 1147
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :1147 after 5859
BEST_FIRST walk for 40003 steps (253 resets) in 184 ms. (216 steps per ms) remains 8/9 properties
FORMULA CO4-PT-08-ReachabilityCardinality-2024-10 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (258 resets) in 171 ms. (232 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (210 resets) in 223 ms. (178 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40001 steps (185 resets) in 202 ms. (197 steps per ms) remains 8/8 properties
Reachability property CO4-PT-08-ReachabilityCardinality-2024-06 is true.
FORMULA CO4-PT-08-ReachabilityCardinality-2024-06 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :5859 after 8251
BEST_FIRST walk for 40001 steps (189 resets) in 178 ms. (223 steps per ms) remains 8/8 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13571547406966650861.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4122562218605322894.kers'
[2026-05-23 07:39:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13571547406966650861.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4122562218605322894.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 445 rows 359 cols 1134 entries
Finished phase 1 with 340 SingleSign rule and 10 generalized
[2026-05-23 07:39:33] [INFO ] Computed 9 invariants in 2 ms
Computed 9 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-4122562218605322894.kers
Total runtime 3 ms.
Invariant property CO4-PT-08-ReachabilityCardinality-2024-00 does not hold.
FORMULA CO4-PT-08-ReachabilityCardinality-2024-00 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,7 properties remain. new max is 256
SDD size :8251 after 8375
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 54/54 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 0/54 constraints. Problems are: Problem set: 1 solved, 6 unsolved
Invariant property CO4-PT-08-ReachabilityCardinality-2024-10 does not hold.
Problem CO4-PT-08-ReachabilityCardinality-2024-09 is UNSAT
FORMULA CO4-PT-08-ReachabilityCardinality-2024-09 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 251/305 variables, 8/62 constraints. Problems are: Problem set: 2 solved, 5 unsolved
SDD proceeding with computation,6 properties remain. new max is 256
SDD size :8375 after 8638
Invariant property CO4-PT-08-ReachabilityCardinality-2024-15 does not hold.
FORMULA CO4-PT-08-ReachabilityCardinality-2024-15 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
At refinement iteration 3 (INCLUDED_ONLY) 0/305 variables, 251/313 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/305 variables, 0/313 constraints. Problems are: Problem set: 3 solved, 4 unsolved
Problem CO4-PT-08-ReachabilityCardinality-2024-12 is UNSAT
FORMULA CO4-PT-08-ReachabilityCardinality-2024-12 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 5 (OVERLAPS) 54/359 variables, 1/314 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/359 variables, 54/368 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/359 variables, 0/368 constraints. Problems are: Problem set: 4 solved, 3 unsolved
Invariant property CO4-PT-08-ReachabilityCardinality-2024-04 does not hold.
FORMULA CO4-PT-08-ReachabilityCardinality-2024-04 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :8638 after 8707
At refinement iteration 8 (OVERLAPS) 445/804 variables, 359/727 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/804 variables, 0/727 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/804 variables, 0/727 constraints. Problems are: Problem set: 5 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 804/804 variables, and 727 constraints, problems are : Problem set: 5 solved, 2 unsolved in 793 ms.
Refiners :[Domain max(s): 359/359 constraints, Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 359/359 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 5 solved, 2 unsolved
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :8707 after 8766
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 27/27 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/27 variables, 0/27 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 275/302 variables, 8/35 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/302 variables, 275/310 constraints. Problems are: Problem set: 5 solved, 2 unsolved
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :8766 after 13957
At refinement iteration 4 (INCLUDED_ONLY) 0/302 variables, 4/314 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/302 variables, 0/314 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 57/359 variables, 1/315 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/359 variables, 57/372 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/359 variables, 0/372 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 445/804 variables, 359/731 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/804 variables, 2/733 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/804 variables, 0/733 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/804 variables, 0/733 constraints. Problems are: Problem set: 5 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 804/804 variables, and 733 constraints, problems are : Problem set: 5 solved, 2 unsolved in 1424 ms.
Refiners :[Domain max(s): 359/359 constraints, Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 359/359 constraints, PredecessorRefiner: 2/7 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2299ms problems are : Problem set: 5 solved, 2 unsolved
FORMULA CO4-PT-08-ReachabilityCardinality-2024-05 FALSE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 39 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=39 )
FORMULA CO4-PT-08-ReachabilityCardinality-2024-11 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 2 properties in 31 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 3859 ms.

BK_STOP 1779521976091

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -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 ReachabilityCardinality -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="CO4-PT-08"
export BK_EXAMINATION="ReachabilityCardinality"
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 CO4-PT-08, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r066-tall-177946967700342"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CO4-PT-08.tgz
mv CO4-PT-08 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;