fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r338-smll-178021499100063
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for ErlangenMainframeV1-PT-bP02C02

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
353.924 8764.00 24081.00 156.20 TTFTTTFTTTFTTFTF 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.r338-smll-178021499100063.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 ErlangenMainframeV1-PT-bP02C02, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r338-smll-178021499100063
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 540K
-rw-r--r-- 1 mcc users 7.6K May 27 08:42 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K May 27 08:42 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.8K May 27 08:41 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K May 27 08:41 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.4K May 27 10:31 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K May 27 10:31 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 27 10:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 27 10:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 12K May 27 08:42 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 121K May 27 08:42 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K May 27 08:42 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K May 27 08:42 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 27 10:31 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 27 10:31 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 26 18:17 equiv_col
-rw-r--r-- 1 mcc users 8 May 26 18:17 instance
-rw-r--r-- 1 mcc users 6 May 26 18:17 iscolored
-rw-r--r-- 1 mcc users 64K May 26 18:17 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 ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-00
FORMULA_NAME ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-01
FORMULA_NAME ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-02
FORMULA_NAME ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-03
FORMULA_NAME ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-04
FORMULA_NAME ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-05
FORMULA_NAME ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-06
FORMULA_NAME ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-07
FORMULA_NAME ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-08
FORMULA_NAME ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-09
FORMULA_NAME ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-10
FORMULA_NAME ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-11
FORMULA_NAME ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-12
FORMULA_NAME ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-13
FORMULA_NAME ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-14
FORMULA_NAME ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1780260749070

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ErlangenMainframeV1-PT-bP02C02
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-31 20:52:31] [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]
[2026-05-31 20:52:31] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-31 20:52:31] [INFO ] Load time of PNML (sax parser for PT used): 171 ms
[2026-05-31 20:52:32] [INFO ] Transformed 193 places.
[2026-05-31 20:52:32] [INFO ] Transformed 255 transitions.
[2026-05-31 20:52:32] [INFO ] Found NUPN structural information;
[2026-05-31 20:52:32] [INFO ] Parsed PT model containing 193 places and 255 transitions and 805 arcs in 393 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 31 ms.
Working with output stream class java.io.PrintStream
[2026-05-31 20:52:33] [INFO ] Flatten gal took : 144 ms
RANDOM walk for 40000 steps (8 resets) in 3448 ms. (11 steps per ms) remains 11/16 properties
FORMULA ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-31 20:52:33] [INFO ] Flatten gal took : 61 ms
[2026-05-31 20:52:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8109377856060464993.gal : 29 ms
[2026-05-31 20:52:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3473539517946324519.prop : 7 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/ReachabilityCardinality8109377856060464993.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3473539517946324519.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
Loading property file /tmp/ReachabilityCardinality3473539517946324519.prop.
SDD proceeding with computation,11 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,11 properties remain. new max is 8
SDD size :2 after 5
SDD proceeding with computation,11 properties remain. new max is 16
SDD size :5 after 8
SDD proceeding with computation,11 properties remain. new max is 32
SDD size :8 after 34
SDD proceeding with computation,11 properties remain. new max is 64
SDD size :34 after 41
SDD proceeding with computation,11 properties remain. new max is 128
SDD size :41 after 66
SDD proceeding with computation,11 properties remain. new max is 256
SDD size :66 after 151
SDD proceeding with computation,11 properties remain. new max is 512
SDD size :151 after 645
BEST_FIRST walk for 40001 steps (8 resets) in 1177 ms. (33 steps per ms) remains 8/11 properties
FORMULA ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Invariant property ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-15 does not hold.
FORMULA ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-15 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-14 is true.
SDD proceeding with computation,9 properties remain. new max is 512
SDD size :645 after 20866
BEST_FIRST walk for 40003 steps (8 resets) in 307 ms. (129 steps per ms) remains 7/8 properties
FORMULA ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
SDD proceeding with computation,9 properties remain. new max is 1024
SDD size :20866 after 60476
BEST_FIRST walk for 40001 steps (8 resets) in 984 ms. (40 steps per ms) remains 6/7 properties
FORMULA ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-02 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40002 steps (8 resets) in 119 ms. (333 steps per ms) remains 5/6 properties
FORMULA ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
SDD proceeding with computation,9 properties remain. new max is 2048
SDD size :60476 after 609282
BEST_FIRST walk for 40003 steps (8 resets) in 644 ms. (62 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 138 ms. (287 steps per ms) remains 4/5 properties
FORMULA ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-10 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (8 resets) in 160 ms. (248 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40001 steps (8 resets) in 253 ms. (157 steps per ms) remains 4/4 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9868595430458897166.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4334220653260399920.kers'
[2026-05-31 20:52:34] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9868595430458897166.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4334220653260399920.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 255 rows 193 cols 805 entries
Finished phase 1 with 180 SingleSign rule and 3 generalized
[2026-05-31 20:52:34] [INFO ] Computed 10 invariants in 1 ms
Computed 10 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-4334220653260399920.kers
Total runtime 3 ms.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/78 variables, 78/78 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/78 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-13 is UNSAT
FORMULA ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-13 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 101/179 variables, 8/86 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/179 variables, 101/187 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/179 variables, 0/187 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 14/193 variables, 2/189 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/193 variables, 14/203 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/193 variables, 0/203 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 255/448 variables, 193/396 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/448 variables, 0/396 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/448 variables, 0/396 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 448/448 variables, and 396 constraints, problems are : Problem set: 1 solved, 2 unsolved in 1745 ms.
Refiners :[Domain max(s): 193/193 constraints, Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 3/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 73/73 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 0/73 constraints. Problems are: Problem set: 1 solved, 2 unsolved
Problem ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-08 is UNSAT
FORMULA ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-08 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 106/179 variables, 8/81 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/179 variables, 106/187 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/179 variables, 1/188 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/179 variables, 0/188 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 14/193 variables, 2/190 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/193 variables, 14/204 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/193 variables, 0/204 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 255/448 variables, 193/397 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/448 variables, 0/397 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/448 variables, 0/397 constraints. Problems are: Problem set: 2 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 448/448 variables, and 397 constraints, problems are : Problem set: 2 solved, 1 unsolved in 1179 ms.
Refiners :[Domain max(s): 193/193 constraints, Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3127ms problems are : Problem set: 2 solved, 1 unsolved
Finished Parikh walk after 741 steps, including 12 resets, run visited all 1 properties in 3 ms. (steps per millisecond=247 )
FORMULA ErlangenMainframeV1-PT-bP02C02-ReachabilityFireability-2024-00 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 11 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 6186 ms.

BK_STOP 1780260757834

--------------------
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="ErlangenMainframeV1-PT-bP02C02"
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 ErlangenMainframeV1-PT-bP02C02, 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 r338-smll-178021499100063"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ErlangenMainframeV1-PT-bP02C02.tgz
mv ErlangenMainframeV1-PT-bP02C02 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 ;