fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r066-tall-177946967700367
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for CO4-PT-11

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
446.604 4777.00 13073.00 40.80 FTTTFFTFTFTFTFTT 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.r066-tall-177946967700367.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 CO4-PT-11, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967700367
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 592K
-rw-r--r-- 1 mcc users 6.9K Mar 6 13:26 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K Mar 6 13:26 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Mar 6 13:26 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K Mar 6 13:26 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:30 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 08:30 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 08:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 13:27 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 131K Mar 6 13:27 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.7K Mar 6 13:27 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K Mar 6 13:27 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 15 08:31 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:31 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 132K 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 CO4-PT-11-ReachabilityFireability-2024-00
FORMULA_NAME CO4-PT-11-ReachabilityFireability-2024-01
FORMULA_NAME CO4-PT-11-ReachabilityFireability-2024-02
FORMULA_NAME CO4-PT-11-ReachabilityFireability-2024-03
FORMULA_NAME CO4-PT-11-ReachabilityFireability-2024-04
FORMULA_NAME CO4-PT-11-ReachabilityFireability-2024-05
FORMULA_NAME CO4-PT-11-ReachabilityFireability-2024-06
FORMULA_NAME CO4-PT-11-ReachabilityFireability-2024-07
FORMULA_NAME CO4-PT-11-ReachabilityFireability-2024-08
FORMULA_NAME CO4-PT-11-ReachabilityFireability-2024-09
FORMULA_NAME CO4-PT-11-ReachabilityFireability-2024-10
FORMULA_NAME CO4-PT-11-ReachabilityFireability-2024-11
FORMULA_NAME CO4-PT-11-ReachabilityFireability-2024-12
FORMULA_NAME CO4-PT-11-ReachabilityFireability-2024-13
FORMULA_NAME CO4-PT-11-ReachabilityFireability-2024-14
FORMULA_NAME CO4-PT-11-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779522841283

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CO4-PT-11
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-23 07:54:02] [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 07:54:02] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 07:54:02] [INFO ] Load time of PNML (sax parser for PT used): 88 ms
[2026-05-23 07:54:02] [INFO ] Transformed 545 places.
[2026-05-23 07:54:02] [INFO ] Transformed 617 transitions.
[2026-05-23 07:54:02] [INFO ] Found NUPN structural information;
[2026-05-23 07:54:02] [INFO ] Parsed PT model containing 545 places and 617 transitions and 1344 arcs in 177 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 12 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 157 places in 8 ms
Reduce places removed 157 places and 177 transitions.
FORMULA CO4-PT-11-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-11-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-11-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-11-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-11-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-11-ReachabilityFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-23 07:54:03] [INFO ] Flatten gal took : 69 ms
[2026-05-23 07:54:03] [INFO ] Flatten gal took : 38 ms
[2026-05-23 07:54:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4280400705768526936.gal : 20 ms
[2026-05-23 07:54:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8643970237385872793.prop : 2 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/ReachabilityCardinality4280400705768526936.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8643970237385872793.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
RANDOM walk for 40000 steps (52 resets) in 1449 ms. (27 steps per ms) remains 9/10 properties
FORMULA CO4-PT-11-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Loading property file /tmp/ReachabilityCardinality8643970237385872793.prop.
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :4 after 6
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :6 after 8
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :8 after 9
SDD proceeding with computation,10 properties remain. new max is 64
SDD size :9 after 38
SDD proceeding with computation,10 properties remain. new max is 128
SDD size :38 after 86
Reachability property CO4-PT-11-ReachabilityFireability-2024-15 is true.
Invariant property CO4-PT-11-ReachabilityFireability-2024-00 does not hold.
FORMULA CO4-PT-11-ReachabilityFireability-2024-00 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :86 after 345
Invariant property CO4-PT-11-ReachabilityFireability-2024-11 does not hold.
FORMULA CO4-PT-11-ReachabilityFireability-2024-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,7 properties remain. new max is 128
SDD size :345 after 361
Invariant property CO4-PT-11-ReachabilityFireability-2024-13 does not hold.
FORMULA CO4-PT-11-ReachabilityFireability-2024-13 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :361 after 390
Reachability property CO4-PT-11-ReachabilityFireability-2024-08 is true.
FORMULA CO4-PT-11-ReachabilityFireability-2024-08 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,5 properties remain. new max is 128
SDD size :390 after 416
SDD proceeding with computation,5 properties remain. new max is 256
SDD size :416 after 464
SDD proceeding with computation,5 properties remain. new max is 512
SDD size :464 after 555
Reachability property CO4-PT-11-ReachabilityFireability-2024-14 is true.
FORMULA CO4-PT-11-ReachabilityFireability-2024-14 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :555 after 887
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :887 after 927
BEST_FIRST walk for 40000 steps (85 resets) in 581 ms. (68 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40000 steps (36 resets) in 219 ms. (181 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40000 steps (73 resets) in 220 ms. (180 steps per ms) remains 9/9 properties
Reachability property CO4-PT-11-ReachabilityFireability-2024-12 is true.
FORMULA CO4-PT-11-ReachabilityFireability-2024-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :927 after 1465
BEST_FIRST walk for 40000 steps (75 resets) in 447 ms. (89 steps per ms) remains 7/9 properties
BEST_FIRST walk for 40000 steps (53 resets) in 200 ms. (199 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40000 steps (47 resets) in 178 ms. (223 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40000 steps (56 resets) in 169 ms. (235 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40000 steps (58 resets) in 270 ms. (147 steps per ms) remains 7/7 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16137057424221991004.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1386759234353756442.kers'
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :1465 after 40033
[2026-05-23 07:54:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16137057424221991004.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1386759234353756442.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 440 rows 388 cols 968 entries
Finished phase 1 with 382 SingleSign rule and 0 generalized
[2026-05-23 07:54:04] [INFO ] Computed 6 invariants in 2 ms
Computed 6 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-1386759234353756442.kers
Total runtime 3 ms.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 366/388 variables, 6/28 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/388 variables, 366/394 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/388 variables, 0/394 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 440/828 variables, 388/782 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/828 variables, 0/782 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/828 variables, 0/782 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 828/828 variables, and 782 constraints, problems are : Problem set: 0 solved, 3 unsolved in 864 ms.
Refiners :[Domain max(s): 388/388 constraints, Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 388/388 constraints, PredecessorRefiner: 3/3 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) 0/22 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem CO4-PT-11-ReachabilityFireability-2024-03 is UNSAT
FORMULA CO4-PT-11-ReachabilityFireability-2024-03 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 366/388 variables, 6/28 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/388 variables, 366/394 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/388 variables, 0/394 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 440/828 variables, 388/782 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/828 variables, 2/784 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/828 variables, 0/784 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/828 variables, 0/784 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 828/828 variables, and 784 constraints, problems are : Problem set: 1 solved, 2 unsolved in 1048 ms.
Refiners :[Domain max(s): 388/388 constraints, Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 388/388 constraints, PredecessorRefiner: 2/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2000ms problems are : Problem set: 1 solved, 2 unsolved
FORMULA CO4-PT-11-ReachabilityFireability-2024-04 FALSE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 302 steps, including 6 resets, run visited all 1 properties in 2 ms. (steps per millisecond=151 )
FORMULA CO4-PT-11-ReachabilityFireability-2024-10 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 2 properties in 41 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 3604 ms.

BK_STOP 1779522846060

--------------------
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="CO4-PT-11"
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 CO4-PT-11, 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 r066-tall-177946967700367"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CO4-PT-11.tgz
mv CO4-PT-11 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 ;