fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r082-smll-177946993500095
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for DBSingleClientW-PT-d0m05

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
378.939 7766.00 21282.00 117.00 TTTTTTFFFTTFTTTT 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.r082-smll-177946993500095.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)
....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is DBSingleClientW-PT-d0m05, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r082-smll-177946993500095
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 580K
-rw-r--r-- 1 mcc users 5.8K Mar 6 18:21 CTLCardinality.txt
-rw-r--r-- 1 mcc users 56K Mar 6 18:21 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Mar 6 18:21 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Mar 6 18:21 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 08:45 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 08:45 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 08:45 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:45 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 18:21 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 122K Mar 6 18:21 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 6 18:21 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 112K Mar 6 18:21 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:45 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:45 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 119K 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 DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-00
FORMULA_NAME DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-01
FORMULA_NAME DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-02
FORMULA_NAME DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-03
FORMULA_NAME DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-04
FORMULA_NAME DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-05
FORMULA_NAME DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-06
FORMULA_NAME DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-07
FORMULA_NAME DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-08
FORMULA_NAME DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-09
FORMULA_NAME DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-10
FORMULA_NAME DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-11
FORMULA_NAME DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-12
FORMULA_NAME DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-13
FORMULA_NAME DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-14
FORMULA_NAME DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779552370061

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DBSingleClientW-PT-d0m05
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-23 16:06:12] [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]
[2026-05-23 16:06:12] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 16:06:12] [INFO ] Load time of PNML (sax parser for PT used): 144 ms
[2026-05-23 16:06:12] [INFO ] Transformed 553 places.
[2026-05-23 16:06:12] [INFO ] Transformed 150 transitions.
[2026-05-23 16:06:12] [INFO ] Parsed PT model containing 553 places and 150 transitions and 600 arcs in 301 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 29 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 444 places in 3 ms
Reduce places removed 444 places and 0 transitions.
[2026-05-23 16:06:13] [INFO ] Flatten gal took : 151 ms
[2026-05-23 16:06:13] [INFO ] Flatten gal took : 113 ms
[2026-05-23 16:06:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6770165662103201495.gal : 49 ms
RANDOM walk for 40000 steps (9151 resets) in 3116 ms. (12 steps per ms) remains 15/16 properties
FORMULA DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-23 16:06:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3959751999688786859.prop : 16 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/ReachabilityCardinality6770165662103201495.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3959751999688786859.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 4003 steps (226 resets) in 104 ms. (38 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (193 resets) in 115 ms. (34 steps per ms) remains 15/15 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 ...328
BEST_FIRST walk for 4003 steps (194 resets) in 164 ms. (24 steps per ms) remains 15/15 properties
Loading property file /tmp/ReachabilityCardinality3959751999688786859.prop.
BEST_FIRST walk for 4004 steps (199 resets) in 327 ms. (12 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (216 resets) in 103 ms. (38 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (212 resets) in 82 ms. (48 steps per ms) remains 15/15 properties
SDD proceeding with computation,16 properties remain. new max is 4
SDD size :1 after 5
BEST_FIRST walk for 4004 steps (185 resets) in 180 ms. (22 steps per ms) remains 15/15 properties
SDD proceeding with computation,16 properties remain. new max is 8
SDD size :5 after 16
SDD proceeding with computation,16 properties remain. new max is 16
SDD size :16 after 36
BEST_FIRST walk for 4004 steps (194 resets) in 62 ms. (63 steps per ms) remains 15/15 properties
SDD proceeding with computation,16 properties remain. new max is 32
SDD size :36 after 56
BEST_FIRST walk for 4003 steps (619 resets) in 99 ms. (40 steps per ms) remains 15/15 properties
SDD proceeding with computation,16 properties remain. new max is 64
SDD size :56 after 108
BEST_FIRST walk for 4004 steps (126 resets) in 105 ms. (37 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4000 steps (213 resets) in 24 ms. (160 steps per ms) remains 15/15 properties
Reachability property DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-01 is true.
FORMULA DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-01 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,15 properties remain. new max is 64
SDD size :108 after 915
BEST_FIRST walk for 4003 steps (375 resets) in 45 ms. (87 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (229 resets) in 34 ms. (114 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (194 resets) in 13 ms. (286 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (134 resets) in 38 ms. (102 steps per ms) remains 15/15 properties
SDD proceeding with computation,15 properties remain. new max is 128
SDD size :915 after 1740
SDD proceeding with computation,15 properties remain. new max is 256
SDD size :1740 after 2946
Invariant property DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-11 does not hold.
SDD proceeding with computation,14 properties remain. new max is 256
SDD size :2946 after 11909
Reachability property DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-02 is true.
FORMULA DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-02 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,13 properties remain. new max is 256
SDD size :11909 after 30560
Reachability property DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-12 is true.
FORMULA DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-03 is true.
FORMULA DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-03 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,11 properties remain. new max is 256
SDD size :30560 after 37159
SDD proceeding with computation,11 properties remain. new max is 512
SDD size :37159 after 48252
SDD proceeding with computation,11 properties remain. new max is 1024
SDD size :48252 after 64766
Reachability property DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-00 is true.
FORMULA DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-00 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,10 properties remain. new max is 1024
SDD size :64766 after 102970
Reachability property DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-10 is true.
FORMULA DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-10 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Invariant property DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-06 does not hold.
FORMULA DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-06 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-05 is true.
FORMULA DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-05 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,7 properties remain. new max is 1024
SDD size :102970 after 163429
Reachability property DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-14 is true.
FORMULA DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-14 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Interrupted probabilistic random walk after 524139 steps, run timeout after 3001 ms. (steps per millisecond=174 ) properties seen :11 out of 15
Probabilistic random walk after 524139 steps, saw 192048 distinct states, run finished after 3012 ms. (steps per millisecond=174 ) properties seen :11
FORMULA DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5925357204272806127.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4711159941336877461.kers'
[2026-05-23 16:06:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5925357204272806127.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4711159941336877461.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 150 rows 109 cols 450 entries
Finished phase 1 with 59 SingleSign rule and 44 generalized
[2026-05-23 16:06:17] [INFO ] Computed 6 invariants in 1 ms
Computed 6 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-4711159941336877461.kers
Total runtime 2 ms.
Reachability property DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-13 is true.
[2026-05-23 16:06:17] [INFO ] State equation strengthened by 74 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Problem DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-15 is UNSAT
FORMULA DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-15 TRUE TECHNIQUES SMT_REFINEMENT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/72 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Problem DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-08 is UNSAT
FORMULA DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-08 FALSE TECHNIQUES SMT_REFINEMENT
Problem DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-09 is UNSAT
FORMULA DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-09 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 25/97 variables, 3/3 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 3 solved, 1 unsolved
SDD proceeding with computation,5 properties remain. new max is 1024
SDD size :163429 after 190096
Problem DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-04 is UNSAT
FORMULA DBSingleClientW-PT-d0m05-ReachabilityFireability-2024-04 TRUE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Real declared 109/259 variables, and 6 constraints, problems are : Problem set: 4 solved, 0 unsolved in 299 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 0/109 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 3/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 471ms problems are : Problem set: 4 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 5711 ms.

BK_STOP 1779552377827

--------------------
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="DBSingleClientW-PT-d0m05"
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 DBSingleClientW-PT-d0m05, 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 r082-smll-177946993500095"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d0m05.tgz
mv DBSingleClientW-PT-d0m05 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 ;