fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r147-tall-174876819800362
Last Updated
June 24, 2025

About the Execution of ITS-Tools for Peterson-COL-6

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 17182.00 0.00 0.00 T normal

Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r147-tall-174876819800362.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool itstools
Input is Peterson-COL-6, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r147-tall-174876819800362
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 568K
-rw-r--r-- 1 mcc users 6.8K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 148K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 122K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_pt
-rw-r--r-- 1 mcc users 2 May 29 14:32 instance
-rw-r--r-- 1 mcc users 5 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 46K May 29 14:32 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 QuasiLiveness

=== Now, execution of the tool begins

BK_START 1748810369184

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Peterson-COL-6
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
QuasiLiveness COL
Running Version 202505121319
[2025-06-01 20:39:30] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2025-06-01 20:39:30] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 20:39:30] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2025-06-01 20:39:30] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-06-01 20:39:31] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 551 ms
[2025-06-01 20:39:31] [INFO ] Imported 11 HL places and 14 HL transitions for a total of 1372 PT places and 2247.0 transition bindings in 19 ms.
[2025-06-01 20:39:31] [INFO ] Unfolded HLPN to a Petri net with 1372 places and 2114 transitions 6608 arcs in 66 ms.
[2025-06-01 20:39:31] [INFO ] Unfolded 14 HLPN properties in 1 ms.
Initial state reduction rules removed 1 formulas.
Deduced a syphon composed of 42 places in 23 ms
Reduce places removed 42 places and 84 transitions.
RANDOM walk for 40000 steps (8 resets) in 1682 ms. (23 steps per ms) remains 1/13 properties
[2025-06-01 20:39:32] [INFO ] Flatten gal took : 285 ms
BEST_FIRST walk for 40004 steps (8 resets) in 419 ms. (95 steps per ms) remains 1/1 properties
[2025-06-01 20:39:32] [INFO ] Flow matrix only has 1820 transitions (discarded 210 similar events)
[2025-06-01 20:39:32] [INFO ] Flatten gal took : 232 ms
// Phase 1: matrix 1820 rows 1330 cols
[2025-06-01 20:39:32] [INFO ] Computed 27 invariants in 27 ms
[2025-06-01 20:39:32] [INFO ] State equation strengthened by 330 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
[2025-06-01 20:39:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1492877925780773481.gal : 103 ms
[2025-06-01 20:39:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2864529606888954535.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1492877925780773481.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2864529606888954535.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
Loading property file /tmp/ReachabilityCardinality2864529606888954535.prop.
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1239/1281 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1281 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 7/1288 variables, 7/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1288 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1820/3108 variables, 1288/1309 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3108 variables, 330/1639 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3108 variables, 0/1639 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 42/3150 variables, 42/1681 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3150 variables, 6/1687 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3150 variables, 0/1687 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/3150 variables, 0/1687 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 2
After SMT solving in domain Real declared 3150/3150 variables, and 1687 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1895 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 1330/1330 constraints, ReadFeed: 330/330 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :2 after 4
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :4 after 10
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :10 after 21
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :21 after 22
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :22 after 42
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :42 after 53
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :53 after 283
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :283 after 325
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :325 after 880
At refinement iteration 1 (OVERLAPS) 1239/1281 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1281 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 7/1288 variables, 7/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :880 after 2314
At refinement iteration 4 (INCLUDED_ONLY) 0/1288 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1820/3108 variables, 1288/1309 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3108 variables, 330/1639 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3108 variables, 0/1639 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :2314 after 13770
At refinement iteration 8 (OVERLAPS) 42/3150 variables, 42/1681 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3150 variables, 6/1687 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:39:37] [INFO ] Deduced a trap composed of 35 places in 555 ms of which 73 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:39:38] [INFO ] Deduced a trap composed of 19 places in 539 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:39:38] [INFO ] Deduced a trap composed of 20 places in 518 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:39:39] [INFO ] Deduced a trap composed of 125 places in 552 ms of which 147 ms to minimize.
SMT process timed out in 7462ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 42 out of 1330 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1330/1330 places, 2030/2030 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 576 transitions
Trivial Post-agglo rules discarded 576 transitions
Performed 576 trivial Post agglomeration. Transition count delta: 576
Iterating post reduction 0 with 576 rules applied. Total rules applied 576 place count 1330 transition count 1454
Reduce places removed 576 places and 0 transitions.
Iterating post reduction 1 with 576 rules applied. Total rules applied 1152 place count 754 transition count 1454
Performed 300 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 300 Pre rules applied. Total rules applied 1152 place count 754 transition count 1154
Deduced a syphon composed of 300 places in 2 ms
Reduce places removed 300 places and 0 transitions.
Iterating global reduction 2 with 600 rules applied. Total rules applied 1752 place count 454 transition count 1154
Applied a total of 1752 rules in 162 ms. Remains 454 /1330 variables (removed 876) and now considering 1154/2030 (removed 876) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 168 ms. Remains : 454/1330 places, 1154/2030 transitions.
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :13770 after 44060
RANDOM walk for 4000000 steps (8 resets) in 16823 ms. (237 steps per ms) remains 1/1 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 6928 ms. (577 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 78 steps, run visited all 1 properties in 9 ms. (steps per millisecond=8 )
Probabilistic random walk after 78 steps, saw 71 distinct states, run finished after 13 ms. (steps per millisecond=6 ) properties seen :1
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 14 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 15801 ms.

BK_STOP 1748810386366

--------------------
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
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -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="Peterson-COL-6"
export BK_EXAMINATION="QuasiLiveness"
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 2-5832"
echo " Executing tool itstools"
echo " Input is Peterson-COL-6, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r147-tall-174876819800362"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Peterson-COL-6.tgz
mv Peterson-COL-6 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;