fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r066-tall-177946967700327
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for CO4-PT-06

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
526.951 4011.00 12972.00 53.40 FTTFTFFFFTFTFFFF 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-177946967700327.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 CO4-PT-06, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967700327
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 504K
-rw-r--r-- 1 mcc users 5.7K Mar 6 13:30 CTLCardinality.txt
-rw-r--r-- 1 mcc users 58K Mar 6 13:30 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 6 13:30 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 6 13:30 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K Mar 15 08:29 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 08:29 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 08:29 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:29 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.2K Mar 6 13:30 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 80K Mar 6 13:30 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.2K Mar 6 13:30 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 83K Mar 6 13:30 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 15 08:29 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:29 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 97K 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-06-ReachabilityFireability-2024-00
FORMULA_NAME CO4-PT-06-ReachabilityFireability-2024-01
FORMULA_NAME CO4-PT-06-ReachabilityFireability-2024-02
FORMULA_NAME CO4-PT-06-ReachabilityFireability-2024-03
FORMULA_NAME CO4-PT-06-ReachabilityFireability-2024-04
FORMULA_NAME CO4-PT-06-ReachabilityFireability-2024-05
FORMULA_NAME CO4-PT-06-ReachabilityFireability-2024-06
FORMULA_NAME CO4-PT-06-ReachabilityFireability-2024-07
FORMULA_NAME CO4-PT-06-ReachabilityFireability-2024-08
FORMULA_NAME CO4-PT-06-ReachabilityFireability-2024-09
FORMULA_NAME CO4-PT-06-ReachabilityFireability-2024-10
FORMULA_NAME CO4-PT-06-ReachabilityFireability-2024-11
FORMULA_NAME CO4-PT-06-ReachabilityFireability-2024-12
FORMULA_NAME CO4-PT-06-ReachabilityFireability-2024-13
FORMULA_NAME CO4-PT-06-ReachabilityFireability-2024-14
FORMULA_NAME CO4-PT-06-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779521330786

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-06
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-23 07:28:51] [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 07:28:51] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 07:28:52] [INFO ] Load time of PNML (sax parser for PT used): 87 ms
[2026-05-23 07:28:52] [INFO ] Transformed 383 places.
[2026-05-23 07:28:52] [INFO ] Transformed 454 transitions.
[2026-05-23 07:28:52] [INFO ] Found NUPN structural information;
[2026-05-23 07:28:52] [INFO ] Parsed PT model containing 383 places and 454 transitions and 1016 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 100 places in 5 ms
Reduce places removed 100 places and 120 transitions.
FORMULA CO4-PT-06-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-06-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-06-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (32 resets) in 1149 ms. (34 steps per ms) remains 13/13 properties
[2026-05-23 07:28:52] [INFO ] Flatten gal took : 133 ms
[2026-05-23 07:28:52] [INFO ] Flatten gal took : 57 ms
BEST_FIRST walk for 40000 steps (40 resets) in 712 ms. (56 steps per ms) remains 12/13 properties
FORMULA CO4-PT-06-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2026-05-23 07:28:52] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2741810894222749818.gal : 26 ms
[2026-05-23 07:28:52] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17293246030249415059.prop : 10 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/ReachabilityCardinality2741810894222749818.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17293246030249415059.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 ...329
BEST_FIRST walk for 40000 steps (94 resets) in 281 ms. (141 steps per ms) remains 12/12 properties
Loading property file /tmp/ReachabilityCardinality17293246030249415059.prop.
BEST_FIRST walk for 40000 steps (34 resets) in 252 ms. (158 steps per ms) remains 12/12 properties
SDD proceeding with computation,12 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,12 properties remain. new max is 8
SDD size :5 after 8
SDD proceeding with computation,12 properties remain. new max is 16
SDD size :8 after 9
SDD proceeding with computation,12 properties remain. new max is 32
SDD size :9 after 10
SDD proceeding with computation,12 properties remain. new max is 64
SDD size :10 after 41
SDD proceeding with computation,12 properties remain. new max is 128
SDD size :41 after 90
Reachability property CO4-PT-06-ReachabilityFireability-2024-02 is true.
FORMULA CO4-PT-06-ReachabilityFireability-2024-02 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,11 properties remain. new max is 128
SDD size :90 after 337
Reachability property CO4-PT-06-ReachabilityFireability-2024-09 is true.
FORMULA CO4-PT-06-ReachabilityFireability-2024-09 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,10 properties remain. new max is 128
SDD size :337 after 370
SDD proceeding with computation,10 properties remain. new max is 256
SDD size :370 after 383
SDD proceeding with computation,10 properties remain. new max is 512
SDD size :383 after 430
Reachability property CO4-PT-06-ReachabilityFireability-2024-11 is true.
FORMULA CO4-PT-06-ReachabilityFireability-2024-11 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property CO4-PT-06-ReachabilityFireability-2024-01 is true.
FORMULA CO4-PT-06-ReachabilityFireability-2024-01 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :430 after 1068
BEST_FIRST walk for 40000 steps (23 resets) in 273 ms. (145 steps per ms) remains 12/12 properties
Reachability property CO4-PT-06-ReachabilityFireability-2024-04 is true.
FORMULA CO4-PT-06-ReachabilityFireability-2024-04 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Invariant property CO4-PT-06-ReachabilityFireability-2024-00 does not hold.
FORMULA CO4-PT-06-ReachabilityFireability-2024-00 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,6 properties remain. new max is 512
SDD size :1068 after 3074
SDD proceeding with computation,6 properties remain. new max is 1024
SDD size :3074 after 22987
BEST_FIRST walk for 40000 steps (101 resets) in 296 ms. (134 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40000 steps (38 resets) in 223 ms. (178 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40000 steps (15 resets) in 278 ms. (143 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40000 steps (81 resets) in 261 ms. (152 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40000 steps (37 resets) in 268 ms. (148 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40000 steps (42 resets) in 229 ms. (173 steps per ms) remains 11/12 properties
BEST_FIRST walk for 40000 steps (21 resets) in 173 ms. (229 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (444 resets) in 160 ms. (248 steps per ms) remains 11/11 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-956722880683046184.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1898115409417857252.kers'
[2026-05-23 07:28:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-956722880683046184.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1898115409417857252.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 334 rows 283 cols 754 entries
Finished phase 1 with 277 SingleSign rule and 0 generalized
[2026-05-23 07:28:53] [INFO ] Computed 6 invariants in 1 ms
Computed 6 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-1898115409417857252.kers
Total runtime 2 ms.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 65/65 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Problem CO4-PT-06-ReachabilityFireability-2024-03 is UNSAT
FORMULA CO4-PT-06-ReachabilityFireability-2024-03 FALSE TECHNIQUES SMT_REFINEMENT
Problem CO4-PT-06-ReachabilityFireability-2024-07 is UNSAT
FORMULA CO4-PT-06-ReachabilityFireability-2024-07 FALSE TECHNIQUES SMT_REFINEMENT
Problem CO4-PT-06-ReachabilityFireability-2024-08 is UNSAT
FORMULA CO4-PT-06-ReachabilityFireability-2024-08 FALSE TECHNIQUES SMT_REFINEMENT
Problem CO4-PT-06-ReachabilityFireability-2024-10 is UNSAT
FORMULA CO4-PT-06-ReachabilityFireability-2024-10 FALSE TECHNIQUES SMT_REFINEMENT
Problem CO4-PT-06-ReachabilityFireability-2024-13 is UNSAT
FORMULA CO4-PT-06-ReachabilityFireability-2024-13 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 218/283 variables, 6/71 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/283 variables, 218/289 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/283 variables, 0/289 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 334/617 variables, 283/572 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/617 variables, 0/572 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/617 variables, 0/572 constraints. Problems are: Problem set: 5 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 617/617 variables, and 572 constraints, problems are : Problem set: 5 solved, 1 unsolved in 395 ms.
Refiners :[Domain max(s): 283/283 constraints, Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 283/283 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 5 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 68/69 variables, 1/2 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/69 variables, 68/70 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 0/70 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 214/283 variables, 5/75 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/283 variables, 214/289 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/283 variables, 2/291 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/283 variables, 0/291 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 334/617 variables, 283/574 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/617 variables, 1/575 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/617 variables, 0/575 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/617 variables, 0/575 constraints. Problems are: Problem set: 5 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 617/617 variables, and 575 constraints, problems are : Problem set: 5 solved, 1 unsolved in 453 ms.
Refiners :[Domain max(s): 283/283 constraints, Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 283/283 constraints, PredecessorRefiner: 1/6 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 948ms problems are : Problem set: 5 solved, 1 unsolved
Finished Parikh walk after 1136 steps, including 100 resets, run visited all 1 properties in 4 ms. (steps per millisecond=284 )
FORMULA CO4-PT-06-ReachabilityFireability-2024-12 FALSE 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 2853 ms.

BK_STOP 1779521334797

--------------------
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-06"
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-06, 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-177946967700327"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CO4-PT-06.tgz
mv CO4-PT-06 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 ;