fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r344-smll-178021500900163
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for ErlangenMainframeV2-PT-bP07C07

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
1517.407 24456.00 67338.00 245.90 F 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.r344-smll-178021500900163.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 ErlangenMainframeV2-PT-bP07C07, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r344-smll-178021500900163
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 6.7M
-rw-r--r-- 1 mcc users 8.7K May 27 09:32 CTLCardinality.txt
-rw-r--r-- 1 mcc users 99K May 27 09:32 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K May 27 09:32 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K May 27 09:32 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 27 10:43 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 27 10:43 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 27 10:43 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 27 10:43 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 13K May 27 09:32 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 130K May 27 09:32 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.4K May 27 09:32 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 46K May 27 09:32 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 27 10:43 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 27 10:43 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 6.3M 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

FORMULA_NAME StableMarking

=== Now, execution of the tool begins

BK_START 1780318585034

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ErlangenMainframeV2-PT-bP07C07
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202604301425
[2026-06-01 12:56:27] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-06-01 12:56:27] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-01 12:56:28] [INFO ] Load time of PNML (sax parser for PT used): 1025 ms
[2026-06-01 12:56:29] [INFO ] Transformed 299 places.
[2026-06-01 12:56:29] [INFO ] Transformed 6883 transitions.
[2026-06-01 12:56:29] [INFO ] Found NUPN structural information;
[2026-06-01 12:56:29] [INFO ] Parsed PT model containing 299 places and 6883 transitions and 127701 arcs in 1325 ms.
Graph (trivial) has 261 edges and 299 vertex of which 12 / 299 are part of one of the 5 SCC in 13 ms
Free SCC test removed 7 places
Structural test allowed to assert that 128 places are NOT stable. Took 86 ms.
Ensure Unique test removed 8 transitions
Reduce redundant transitions removed 8 transitions.
RANDOM walk for 40000 steps (234 resets) in 9238 ms. (4 steps per ms) remains 7/171 properties
BEST_FIRST walk for 40004 steps (37 resets) in 585 ms. (68 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (36 resets) in 438 ms. (91 steps per ms) remains 3/7 properties
BEST_FIRST walk for 40004 steps (46 resets) in 343 ms. (116 steps per ms) remains 3/3 properties
[2026-06-01 12:56:32] [INFO ] Flow matrix only has 6871 transitions (discarded 4 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15546072039557582158.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13044604032229063723.kers'
[2026-06-01 12:56:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15546072039557582158.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13044604032229063723.kers]
Normalized transition count is 6870 out of 6871 initially.
Culled 0 columns in 34 ms.
// Phase 1: matrix 6870 rows 292 cols 127675 entries
Finished phase 1 with 267 SingleSign rule and 3 generalized
[2026-06-01 12:56:33] [INFO ] Computed 22 invariants in 130 ms
Computed 22 P flows in 133 ms.
Exported basis to /tmp/petrispot-output-13044604032229063723.kers
Total runtime 165 ms.
[2026-06-01 12:56:33] [INFO ] Flatten gal took : 2795 ms
[2026-06-01 12:56:33] [INFO ] State equation strengthened by 1 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 8/11 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/11 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 159/170 variables, 13/25 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/170 variables, 159/184 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/170 variables, 0/184 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 122/292 variables, 8/192 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/292 variables, 122/314 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/292 variables, 0/314 constraints. Problems are: Problem set: 0 solved, 3 unsolved
[2026-06-01 12:56:34] [INFO ] Flatten gal took : 1249 ms
[2026-06-01 12:56:35] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9277344910508611114.gal : 375 ms
[2026-06-01 12:56:35] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality237830005408091512.prop : 1 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/ReachabilityCardinality9277344910508611114.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality237830005408091512.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 ...327
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 7162/7163 variables, and 606 constraints, problems are : Problem set: 0 solved, 3 unsolved in 5051 ms.
Refiners :[Domain max(s): 292/292 constraints, Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 292/292 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 3/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 8/11 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/11 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 159/170 variables, 13/25 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/170 variables, 159/184 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/170 variables, 0/184 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 122/292 variables, 8/192 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/292 variables, 122/314 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Loading property file /tmp/ReachabilityCardinality237830005408091512.prop.
SMT process timed out in 15372ms, After SMT, problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 3 out of 292 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 292/292 places, 6875/6875 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 124 rules applied. Total rules applied 124 place count 292 transition count 6751
Reduce places removed 119 places and 0 transitions.
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 1 with 131 rules applied. Total rules applied 255 place count 173 transition count 6739
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 258 place count 170 transition count 6739
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 258 place count 170 transition count 6735
Deduced a syphon composed of 4 places in 5 ms
Ensure Unique test removed 1 places
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 9 rules applied. Total rules applied 267 place count 165 transition count 6735
Discarding 33 places :
Symmetric choice reduction at 3 with 33 rule applications. Total rules 300 place count 132 transition count 6702
Iterating global reduction 3 with 33 rules applied. Total rules applied 333 place count 132 transition count 6702
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 333 place count 132 transition count 6697
Deduced a syphon composed of 5 places in 60 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 343 place count 127 transition count 6697
Discarding 19 places :
Symmetric choice reduction at 3 with 19 rule applications. Total rules 362 place count 108 transition count 4486
Ensure Unique test removed 6 places
Iterating global reduction 3 with 25 rules applied. Total rules applied 387 place count 102 transition count 4486
Discarding 13 places :
Symmetric choice reduction at 3 with 13 rule applications. Total rules 400 place count 89 transition count 116
Iterating global reduction 3 with 13 rules applied. Total rules applied 413 place count 89 transition count 116
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 419 place count 83 transition count 104
Iterating global reduction 3 with 6 rules applied. Total rules applied 425 place count 83 transition count 104
Performed 29 Post agglomeration using F-continuation condition.Transition count delta: 29
Deduced a syphon composed of 29 places in 1 ms
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 3 with 58 rules applied. Total rules applied 483 place count 54 transition count 75
Performed 12 Post agglomeration using F-continuation condition with reduction of 12 identical transitions.
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 3 with 24 rules applied. Total rules applied 507 place count 42 transition count 93
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 3 with 12 rules applied. Total rules applied 519 place count 42 transition count 81
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 521 place count 40 transition count 77
Iterating global reduction 4 with 2 rules applied. Total rules applied 523 place count 40 transition count 77
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 4 with 10 rules applied. Total rules applied 533 place count 40 transition count 67
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -13
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 535 place count 39 transition count 80
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 536 place count 39 transition count 79
Drop transitions (Redundant composition of simpler transitions.) removed 27 transitions
Redundant transition composition rules discarded 27 transitions
Iterating global reduction 6 with 27 rules applied. Total rules applied 563 place count 39 transition count 52
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -8
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 565 place count 38 transition count 60
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 566 place count 38 transition count 59
Free-agglomeration rule applied 10 times.
Iterating global reduction 7 with 10 rules applied. Total rules applied 576 place count 38 transition count 49
Reduce places removed 10 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 7 with 25 rules applied. Total rules applied 601 place count 28 transition count 34
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 8 with 1 rules applied. Total rules applied 602 place count 28 transition count 33
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 603 place count 27 transition count 32
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 604 place count 26 transition count 32
Applied a total of 604 rules in 1353 ms. Remains 26 /292 variables (removed 266) and now considering 32/6875 (removed 6843) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1364 ms. Remains : 26/292 places, 32/6875 transitions.
RANDOM walk for 116 steps (0 resets) in 7 ms. (14 steps per ms) remains 0/3 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 173 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TRIVIAL_UNMARKED_SCC_TEST BESTFIRST_WALK TOPOLOGICAL
Total runtime 21703 ms.

BK_STOP 1780318609490

--------------------
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
+ [[ StableMarking = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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 StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="ErlangenMainframeV2-PT-bP07C07"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 ErlangenMainframeV2-PT-bP07C07, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r344-smll-178021500900163"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ErlangenMainframeV2-PT-bP07C07.tgz
mv ErlangenMainframeV2-PT-bP07C07 execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.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 '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;