fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r146-tall-177961074200518
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for GPUForwardProgress-PT-36b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
517.676 9234.00 25734.00 439.90 TFFTTFFFTTTFTFFF 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.r146-tall-177961074200518.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 GPUForwardProgress-PT-36b, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r146-tall-177961074200518
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 644K
-rw-r--r-- 1 mcc users 7.6K Mar 7 11:38 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K Mar 7 11:38 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Mar 7 11:38 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 7 11:38 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:39 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 10:39 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 10:39 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 10:39 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 7 11:38 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 152K Mar 7 11:38 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.9K Mar 7 11:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 66K Mar 7 11:38 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 10:39 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:39 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 179K 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 GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-00
FORMULA_NAME GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-01
FORMULA_NAME GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-02
FORMULA_NAME GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-03
FORMULA_NAME GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-04
FORMULA_NAME GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-05
FORMULA_NAME GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-06
FORMULA_NAME GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-07
FORMULA_NAME GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-08
FORMULA_NAME GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-09
FORMULA_NAME GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-10
FORMULA_NAME GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-11
FORMULA_NAME GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-12
FORMULA_NAME GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-13
FORMULA_NAME GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-14
FORMULA_NAME GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779733500157

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=GPUForwardProgress-PT-36b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-25 18:25:01] [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]
[2026-05-25 18:25:01] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 18:25:01] [INFO ] Load time of PNML (sax parser for PT used): 95 ms
[2026-05-25 18:25:01] [INFO ] Transformed 720 places.
[2026-05-25 18:25:01] [INFO ] Transformed 757 transitions.
[2026-05-25 18:25:01] [INFO ] Found NUPN structural information;
[2026-05-25 18:25:01] [INFO ] Parsed PT model containing 720 places and 757 transitions and 1877 arcs in 199 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 21 ms.
Working with output stream class java.io.PrintStream
FORMULA GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (128 resets) in 1415 ms. (28 steps per ms) remains 6/14 properties
FORMULA GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-25 18:25:02] [INFO ] Flatten gal took : 175 ms
[2026-05-25 18:25:02] [INFO ] Flatten gal took : 100 ms
BEST_FIRST walk for 40004 steps (15 resets) in 691 ms. (57 steps per ms) remains 6/6 properties
[2026-05-25 18:25:02] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6875156684026588234.gal : 48 ms
[2026-05-25 18:25:02] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9997705206213253054.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/ReachabilityCardinality6875156684026588234.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9997705206213253054.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 40004 steps (12 resets) in 290 ms. (137 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (12 resets) in 219 ms. (181 steps per ms) remains 6/6 properties
Loading property file /tmp/ReachabilityCardinality9997705206213253054.prop.
BEST_FIRST walk for 40004 steps (12 resets) in 195 ms. (204 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (12 resets) in 90 ms. (439 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (12 resets) in 96 ms. (412 steps per ms) remains 6/6 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7223243691361500548.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-665852981395590103.kers'
[2026-05-25 18:25:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7223243691361500548.kers, --Pflows, --basisKERS=/tmp/petrispot-output-665852981395590103.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 757 rows 719 cols 1875 entries
Finished phase 1 with 681 SingleSign rule and 1 generalized
[2026-05-25 18:25:02] [INFO ] Computed 38 invariants in 3 ms
Computed 38 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-665852981395590103.kers
Total runtime 5 ms.
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,6 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,6 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :36 after 101
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :101 after 33386
All remaining problems are real, not stopping.
SDD proceeding with computation,6 properties remain. new max is 256
SDD size :33386 after 8.74333e+09
At refinement iteration 0 (INCLUDED_ONLY) 0/132 variables, 132/132 constraints. Problems are: Problem set: 0 solved, 6 unsolved
SDD proceeding with computation,6 properties remain. new max is 512
SDD size :8.74333e+09 after 7.51046e+19
At refinement iteration 1 (INCLUDED_ONLY) 0/132 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 588/720 variables, 38/170 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/720 variables, 588/758 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/720 variables, 0/758 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Problem GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-06 is UNSAT
FORMULA GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-06 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 5 (OVERLAPS) 757/1477 variables, 720/1478 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1477 variables, 0/1478 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/1477 variables, 0/1478 constraints. Problems are: Problem set: 1 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1477/1477 variables, and 1478 constraints, problems are : Problem set: 1 solved, 5 unsolved in 1425 ms.
Refiners :[Domain max(s): 720/720 constraints, Generalized P Invariants (flows): 38/38 constraints, State Equation: 720/720 constraints, PredecessorRefiner: 6/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 642/719 variables, 37/114 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/719 variables, 642/756 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/719 variables, 0/756 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 1/720 variables, 1/757 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/720 variables, 1/758 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/720 variables, 0/758 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 757/1477 variables, 720/1478 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1477 variables, 4/1482 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1477 variables, 0/1482 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 0/1477 variables, 0/1482 constraints. Problems are: Problem set: 1 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1477/1477 variables, and 1482 constraints, problems are : Problem set: 1 solved, 5 unsolved in 5011 ms.
Refiners :[Domain max(s): 720/720 constraints, Generalized P Invariants (flows): 38/38 constraints, State Equation: 720/720 constraints, PredecessorRefiner: 5/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6563ms problems are : Problem set: 1 solved, 5 unsolved
Fused 5 Parikh solutions to 4 different solutions.
Finished Parikh walk after 18015 steps, including 59 resets, run visited all 5 properties in 120 ms. (steps per millisecond=150 )
FORMULA GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-12 TRUE TECHNIQUES PARIKH_WALK
FORMULA GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-11 FALSE TECHNIQUES PARIKH_WALK
FORMULA GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-09 TRUE TECHNIQUES PARIKH_WALK
FORMULA GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-01 FALSE TECHNIQUES PARIKH_WALK
FORMULA GPUForwardProgress-PT-36b-ReachabilityCardinality-2024-00 TRUE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 5 properties in 129 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 8042 ms.

BK_STOP 1779733509391

--------------------
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//
++ 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 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="GPUForwardProgress-PT-36b"
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 GPUForwardProgress-PT-36b, 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 r146-tall-177961074200518"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/GPUForwardProgress-PT-36b.tgz
mv GPUForwardProgress-PT-36b 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 ;