fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r002-oct2-177944366000167
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for Anderson-PT-06

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
443.928 5196.00 15542.00 70.30 FTTFFFTFTFTFFFTF normal

Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r002-oct2-177944366000167.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 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 Anderson-PT-06, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944366000167
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 696K
-rw-r--r-- 1 mcc users 6.7K Mar 4 18:01 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K Mar 4 18:01 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Mar 4 18:01 CTLFireability.txt
-rw-r--r-- 1 mcc users 38K Mar 4 18:01 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 07:02 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 07:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K Mar 15 07:02 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 07:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.0K Mar 4 18:01 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 72K Mar 4 18:01 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K Mar 4 18:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 94K Mar 4 18:01 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:02 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 07:02 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 302K 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 Anderson-PT-06-ReachabilityFireability-2024-00
FORMULA_NAME Anderson-PT-06-ReachabilityFireability-2024-01
FORMULA_NAME Anderson-PT-06-ReachabilityFireability-2024-02
FORMULA_NAME Anderson-PT-06-ReachabilityFireability-2024-03
FORMULA_NAME Anderson-PT-06-ReachabilityFireability-2024-04
FORMULA_NAME Anderson-PT-06-ReachabilityFireability-2024-05
FORMULA_NAME Anderson-PT-06-ReachabilityFireability-2024-06
FORMULA_NAME Anderson-PT-06-ReachabilityFireability-2024-07
FORMULA_NAME Anderson-PT-06-ReachabilityFireability-2024-08
FORMULA_NAME Anderson-PT-06-ReachabilityFireability-2024-09
FORMULA_NAME Anderson-PT-06-ReachabilityFireability-2024-10
FORMULA_NAME Anderson-PT-06-ReachabilityFireability-2024-11
FORMULA_NAME Anderson-PT-06-ReachabilityFireability-2024-12
FORMULA_NAME Anderson-PT-06-ReachabilityFireability-2024-13
FORMULA_NAME Anderson-PT-06-ReachabilityFireability-2024-14
FORMULA_NAME Anderson-PT-06-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779462232984

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Anderson-PT-06
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-22 15:03:54] [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]
[2026-05-22 15:03:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 15:03:54] [INFO ] Load time of PNML (sax parser for PT used): 111 ms
[2026-05-22 15:03:54] [INFO ] Transformed 229 places.
[2026-05-22 15:03:54] [INFO ] Transformed 600 transitions.
[2026-05-22 15:03:54] [INFO ] Found NUPN structural information;
[2026-05-22 15:03:54] [INFO ] Parsed PT model containing 229 places and 600 transitions and 2280 arcs in 245 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 13 ms.
Working with output stream class java.io.PrintStream
[2026-05-22 15:03:55] [INFO ] Flatten gal took : 151 ms
RANDOM walk for 40000 steps (8 resets) in 2092 ms. (19 steps per ms) remains 10/16 properties
FORMULA Anderson-PT-06-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-06-ReachabilityFireability-2024-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-06-ReachabilityFireability-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-06-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-06-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-06-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-22 15:03:55] [INFO ] Flatten gal took : 97 ms
BEST_FIRST walk for 40003 steps (8 resets) in 641 ms. (62 steps per ms) remains 9/10 properties
FORMULA Anderson-PT-06-ReachabilityFireability-2024-00 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2026-05-22 15:03:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3135723200317726512.gal : 59 ms
[2026-05-22 15:03:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9755036257558881851.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/ReachabilityCardinality3135723200317726512.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9755036257558881851.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 ...328
BEST_FIRST walk for 40003 steps (8 resets) in 383 ms. (104 steps per ms) remains 8/9 properties
FORMULA Anderson-PT-06-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Loading property file /tmp/ReachabilityCardinality9755036257558881851.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :3 after 8
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :8 after 11
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :11 after 12
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :12 after 19
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :19 after 69
BEST_FIRST walk for 40004 steps (8 resets) in 580 ms. (68 steps per ms) remains 8/8 properties
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :69 after 373
BEST_FIRST walk for 40003 steps (8 resets) in 174 ms. (228 steps per ms) remains 8/8 properties
SDD proceeding with computation,9 properties remain. new max is 512
SDD size :373 after 1376
BEST_FIRST walk for 40003 steps (8 resets) in 234 ms. (170 steps per ms) remains 6/8 properties
FORMULA Anderson-PT-06-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Anderson-PT-06-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
SDD proceeding with computation,9 properties remain. new max is 1024
BEST_FIRST walk for 40002 steps (8 resets) in 251 ms. (158 steps per ms) remains 6/6 properties
SDD size :1376 after 4127
BEST_FIRST walk for 40002 steps (8 resets) in 145 ms. (273 steps per ms) remains 5/6 properties
FORMULA Anderson-PT-06-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (8 resets) in 250 ms. (159 steps per ms) remains 5/5 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11647329705139640479.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17957518396909256554.kers'
[2026-05-22 15:03:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11647329705139640479.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17957518396909256554.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 600 rows 229 cols 2208 entries
Finished phase 1 with 126 SingleSign rule and 88 generalized
[2026-05-22 15:03:56] [INFO ] Computed 15 invariants in 4 ms
Computed 15 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-17957518396909256554.kers
Total runtime 5 ms.
[2026-05-22 15:03:56] [INFO ] State equation strengthened by 30 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 80/80 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Problem Anderson-PT-06-ReachabilityFireability-2024-04 is UNSAT
FORMULA Anderson-PT-06-ReachabilityFireability-2024-04 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 1/81 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/81 constraints. Problems are: Problem set: 1 solved, 4 unsolved
Problem Anderson-PT-06-ReachabilityFireability-2024-09 is UNSAT
FORMULA Anderson-PT-06-ReachabilityFireability-2024-09 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 3 (OVERLAPS) 125/205 variables, 6/87 constraints. Problems are: Problem set: 2 solved, 3 unsolved
SDD proceeding with computation,9 properties remain. new max is 2048
SDD size :4127 after 52784
At refinement iteration 4 (INCLUDED_ONLY) 0/205 variables, 125/212 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/205 variables, 0/212 constraints. Problems are: Problem set: 2 solved, 3 unsolved
Problem Anderson-PT-06-ReachabilityFireability-2024-05 is UNSAT
FORMULA Anderson-PT-06-ReachabilityFireability-2024-05 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 6 (OVERLAPS) 24/229 variables, 8/220 constraints. Problems are: Problem set: 3 solved, 2 unsolved
SDD proceeding with computation,9 properties remain. new max is 4096
SDD size :52784 after 58976
At refinement iteration 7 (INCLUDED_ONLY) 0/229 variables, 24/244 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/229 variables, 0/244 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 600/829 variables, 229/473 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/829 variables, 30/503 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/829 variables, 0/503 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/829 variables, 0/503 constraints. Problems are: Problem set: 3 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 829/829 variables, and 503 constraints, problems are : Problem set: 3 solved, 2 unsolved in 1342 ms.
Refiners :[Domain max(s): 229/229 constraints, Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 229/229 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 4/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 66/66 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 1/67 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/67 constraints. Problems are: Problem set: 3 solved, 2 unsolved
Problem Anderson-PT-06-ReachabilityFireability-2024-10 is UNSAT
FORMULA Anderson-PT-06-ReachabilityFireability-2024-10 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 3 (OVERLAPS) 137/203 variables, 6/73 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/203 variables, 137/210 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/203 variables, 0/210 constraints. Problems are: Problem set: 4 solved, 1 unsolved
Problem Anderson-PT-06-ReachabilityFireability-2024-01 is UNSAT
FORMULA Anderson-PT-06-ReachabilityFireability-2024-01 TRUE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Int declared 229/829 variables, and 218 constraints, problems are : Problem set: 5 solved, 0 unsolved in 180 ms.
Refiners :[Domain max(s): 203/229 constraints, Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 0/229 constraints, ReadFeed: 0/30 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1679ms problems are : Problem set: 5 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
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 3520 ms.

BK_STOP 1779462238180

--------------------
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="Anderson-PT-06"
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 Anderson-PT-06, 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 r002-oct2-177944366000167"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Anderson-PT-06.tgz
mv Anderson-PT-06 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 ;