fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r130-smll-177955809000240
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for FireWire-PT-12

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
1501.520 138196.00 162680.00 537.90 9.8019E+0008 ? 1 13 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.r130-smll-177955809000240.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 FireWire-PT-12, examination is StateSpace
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809000240
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 540K
-rw-r--r-- 1 mcc users 7.0K Mar 7 05:18 CTLCardinality.txt
-rw-r--r-- 1 mcc users 78K Mar 7 05:18 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Mar 7 05:18 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K Mar 7 05:18 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K Mar 15 10:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 10:07 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 10:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 7 05:18 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 114K Mar 7 05:18 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.2K Mar 7 05:18 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 7 05:18 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 10:07 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 10:07 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 125K Mar 3 18:30 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

no data necessary for post analysis


=== Now, execution of the tool begins

BK_START 1779818921268

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StateSpace
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FireWire-PT-12
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StateSpace PT
Running Version 202604301425
[2026-05-26 18:08:43] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StateSpace, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-26 18:08:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 18:08:44] [INFO ] Load time of PNML (sax parser for PT used): 218 ms
[2026-05-26 18:08:44] [INFO ] Transformed 169 places.
[2026-05-26 18:08:44] [INFO ] Transformed 508 transitions.
[2026-05-26 18:08:44] [INFO ] Found NUPN structural information;
[2026-05-26 18:08:44] [INFO ] Parsed PT model containing 169 places and 508 transitions and 1889 arcs in 470 ms.
Ensure Unique test removed 67 transitions
Reduce redundant transitions removed 71 transitions.
Starting structural reductions in STATESPACE mode, iteration 0 : 169/169 places, 437/437 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
[2026-05-26 18:08:44] [INFO ] Redundant transitions in 53 ms returned []
Running 430 sub problems to find dead transitions.
[2026-05-26 18:08:44] [INFO ] Flow matrix only has 401 transitions (discarded 30 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14733175972888570411.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7863003710990947465.kers'
[2026-05-26 18:08:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14733175972888570411.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7863003710990947465.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 401 rows 169 cols 1357 entries
Finished phase 1 with 159 SingleSign rule and 0 generalized
[2026-05-26 18:08:44] [INFO ] Computed 10 invariants in 5 ms
Computed 10 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-7863003710990947465.kers
Total runtime 9 ms.
[2026-05-26 18:08:44] [INFO ] State equation strengthened by 57 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/168 variables, 168/168 constraints. Problems are: Problem set: 0 solved, 430 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/168 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 430 unsolved
At refinement iteration 2 (OVERLAPS) 1/169 variables, 10/178 constraints. Problems are: Problem set: 0 solved, 430 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/169 variables, 1/179 constraints. Problems are: Problem set: 0 solved, 430 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/169 variables, 9/188 constraints. Problems are: Problem set: 0 solved, 430 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/169 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 430 unsolved
At refinement iteration 6 (OVERLAPS) 401/570 variables, 169/357 constraints. Problems are: Problem set: 0 solved, 430 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/570 variables, 57/414 constraints. Problems are: Problem set: 0 solved, 430 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 570/570 variables, and 414 constraints, problems are : Problem set: 0 solved, 430 unsolved in 30054 ms.
Refiners :[Domain max(s): 169/169 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 169/169 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 430/430 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 430 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/168 variables, 168/168 constraints. Problems are: Problem set: 0 solved, 430 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/168 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 430 unsolved
At refinement iteration 2 (OVERLAPS) 1/169 variables, 10/178 constraints. Problems are: Problem set: 0 solved, 430 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/169 variables, 1/179 constraints. Problems are: Problem set: 0 solved, 430 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/169 variables, 9/188 constraints. Problems are: Problem set: 0 solved, 430 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/169 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 430 unsolved
At refinement iteration 6 (OVERLAPS) 401/570 variables, 169/357 constraints. Problems are: Problem set: 0 solved, 430 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/570 variables, 57/414 constraints. Problems are: Problem set: 0 solved, 430 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/570 variables, 430/844 constraints. Problems are: Problem set: 0 solved, 430 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 570/570 variables, and 844 constraints, problems are : Problem set: 0 solved, 430 unsolved in 30030 ms.
Refiners :[Domain max(s): 169/169 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 169/169 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 430/430 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60914ms problems are : Problem set: 0 solved, 430 unsolved
Search for dead transitions found 0 dead transitions in 60958ms
Starting structural reductions in STATESPACE mode, iteration 1 : 169/169 places, 431/437 transitions.
Finished structural reductions in STATESPACE mode , in 1 iterations and 61325 ms. Remains : 169/169 places, 431/437 transitions.
Final net has 169 places and 431 transitions.
[2026-05-26 18:09:46] [INFO ] Flatten gal took : 145 ms
[2026-05-26 18:09:46] [INFO ] Applying decomposition
[2026-05-26 18:09:46] [INFO ] Flatten gal took : 75 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph12997900805573121448.txt' '-o' '/tmp/graph12997900805573121448.bin' '-w' '/tmp/graph12997900805573121448.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph12997900805573121448.bin' '-l' '-1' '-v' '-w' '/tmp/graph12997900805573121448.weights' '-q' '0' '-e' '0.001'
[2026-05-26 18:09:46] [INFO ] Decomposing Gal with order
[2026-05-26 18:09:46] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 18:09:46] [INFO ] Removed a total of 687 redundant transitions.
[2026-05-26 18:09:46] [INFO ] Flatten gal took : 160 ms
[2026-05-26 18:09:46] [INFO ] Fuse similar labels procedure discarded/fused a total of 128 labels/synchronizations in 27 ms.
[2026-05-26 18:09:46] [INFO ] Time to serialize gal into /tmp/StateSpace5339406706852208610.gal : 15 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/StateSpace5339406706852208610.gal' '-t' 'CGAL' '--stats'

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 ...219
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,9.80193e+08,72.159,1106332,4885,60,1.23165e+06,1073,809,6.69516e+06,69,6687,0
Total reachable state count : 980193459

Max variable value : 1
STATE_SPACE MAX_TOKEN_IN_PLACE 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Maximum sum along a path : 13
STATE_SPACE MAX_TOKEN_PER_MARKING 13 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Exact state count : 980193459
STATE_SPACE STATES 980193459 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 135609 ms.

BK_STOP 1779819059464

--------------------
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
+ [[ StateSpace = StateSpace ]]
+ [[ -f modelMain.xml ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StateSpace -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 StateSpace -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="FireWire-PT-12"
export BK_EXAMINATION="StateSpace"
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 FireWire-PT-12, examination is StateSpace"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r130-smll-177955809000240"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FireWire-PT-12.tgz
mv FireWire-PT-12 execution
cd execution
if [ "StateSpace" = "ReachabilityDeadlock" ] || [ "StateSpace" = "UpperBounds" ] || [ "StateSpace" = "QuasiLiveness" ] || [ "StateSpace" = "StableMarking" ] || [ "StateSpace" = "Liveness" ] || [ "StateSpace" = "OneSafe" ] || [ "StateSpace" = "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 [ "StateSpace" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StateSpace" != "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 "StateSpace.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 '' StateSpace.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StateSpace" = "ReachabilityDeadlock" ] || [ "StateSpace" = "QuasiLiveness" ] || [ "StateSpace" = "StableMarking" ] || [ "StateSpace" = "Liveness" ] || [ "StateSpace" = "OneSafe" ] ; then
echo "FORMULA_NAME StateSpace"
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 ;