fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r203-tall-174894541000392
Last Updated
June 24, 2025

About the Execution of ITS-Tools for ShieldPPPs-PT-002B

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 33861.00 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.r203-tall-174894541000392.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 ShieldPPPs-PT-002B, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r203-tall-174894541000392
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 444K
-rw-r--r-- 1 mcc users 5.8K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 59K 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 57K 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 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 120K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.1K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 47K 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 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 35K 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 1748999399357

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ShieldPPPs-PT-002B
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2025-06-04 01:10:00] [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]
[2025-06-04 01:10:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-04 01:10:00] [INFO ] Load time of PNML (sax parser for PT used): 67 ms
[2025-06-04 01:10:00] [INFO ] Transformed 139 places.
[2025-06-04 01:10:00] [INFO ] Transformed 129 transitions.
[2025-06-04 01:10:00] [INFO ] Found NUPN structural information;
[2025-06-04 01:10:01] [INFO ] Parsed PT model containing 139 places and 129 transitions and 354 arcs in 174 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 139/139 places, 129/129 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 16 rules applied. Total rules applied 16 place count 139 transition count 113
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 32 place count 123 transition count 113
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 10 Pre rules applied. Total rules applied 32 place count 123 transition count 103
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 52 place count 113 transition count 103
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 48
Deduced a syphon composed of 48 places in 0 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 2 with 96 rules applied. Total rules applied 148 place count 65 transition count 55
Applied a total of 148 rules in 43 ms. Remains 65 /139 variables (removed 74) and now considering 55/129 (removed 74) transitions.
// Phase 1: matrix 55 rows 65 cols
[2025-06-04 01:10:01] [INFO ] Computed 23 invariants in 9 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 01:10:01] [INFO ] Implicit Places using invariants in 239 ms returned []
[2025-06-04 01:10:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 01:10:01] [INFO ] Implicit Places using invariants and state equation in 120 ms returned []
Implicit Place search using SMT with State Equation took 395 ms to find 0 implicit places.
Running 54 sub problems to find dead transitions.
[2025-06-04 01:10:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 2 (OVERLAPS) 1/65 variables, 23/87 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 01:10:02] [INFO ] Deduced a trap composed of 4 places in 41 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 01:10:02] [INFO ] Deduced a trap composed of 4 places in 24 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 2/90 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/65 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 6 (OVERLAPS) 55/120 variables, 65/155 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 01:10:02] [INFO ] Deduced a trap composed of 11 places in 32 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/120 variables, 1/156 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 01:10:02] [INFO ] Deduced a trap composed of 8 places in 30 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 1/157 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 01:10:02] [INFO ] Deduced a trap composed of 22 places in 38 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 1/158 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 11 (OVERLAPS) 0/120 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Real declared 120/120 variables, and 158 constraints, problems are : Problem set: 0 solved, 54 unsolved in 2180 ms.
Refiners :[Domain max(s): 65/65 constraints, Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 65/65 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 2 (OVERLAPS) 1/65 variables, 23/87 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 5/93 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/65 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 6 (OVERLAPS) 55/120 variables, 65/158 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/120 variables, 54/212 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 01:10:04] [INFO ] Deduced a trap along path composed of 2 places in 35 ms of which 7 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 01:10:05] [INFO ] Deduced a trap composed of 7 places in 28 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 1/214 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 01:10:07] [INFO ] Deduced a trap composed of 17 places in 36 ms of which 2 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/120 variables, 1/215 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/120 variables, 0/215 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 01:10:11] [INFO ] Deduced a trap along path composed of 12 places in 31 ms of which 2 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/120 variables, 1/216 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/120 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 01:10:14] [INFO ] Deduced a trap along path composed of 2 places in 25 ms of which 1 ms to minimize.
At refinement iteration 15 (OVERLAPS) 0/120 variables, 1/217 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 01:10:15] [INFO ] Deduced a trap along path composed of 10 places in 31 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 01:10:16] [INFO ] Deduced a trap along path composed of 15 places in 27 ms of which 1 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/120 variables, 2/219 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 01:10:17] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 2 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/120 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 01:10:19] [INFO ] Deduced a trap composed of 11 places in 29 ms of which 2 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/120 variables, 1/221 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/120 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 01:10:24] [INFO ] Deduced a trap along path composed of 10 places in 26 ms of which 0 ms to minimize.
At refinement iteration 20 (OVERLAPS) 0/120 variables, 1/222 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/120 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 22 (OVERLAPS) 0/120 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Int declared 120/120 variables, and 222 constraints, problems are : Problem set: 0 solved, 54 unsolved in 29116 ms.
Refiners :[Domain max(s): 65/65 constraints, Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 65/65 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 31331ms problems are : Problem set: 0 solved, 54 unsolved
Search for dead transitions found 0 dead transitions in 31345ms
Starting structural reductions in LIVENESS mode, iteration 1 : 65/139 places, 55/129 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 31802 ms. Remains : 65/139 places, 55/129 transitions.
Discarding 12 transitions out of 55. Remains 43
Initial state reduction rules removed 1 formulas.
RANDOM walk for 1120 steps (4 resets) in 115 ms. (9 steps per ms) remains 0/42 properties
[2025-06-04 01:10:33] [INFO ] Flatten gal took : 51 ms
[2025-06-04 01:10:33] [INFO ] Flatten gal took : 9 ms
[2025-06-04 01:10:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13203483067912415423.gal : 7 ms
[2025-06-04 01:10:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2593909690232321890.prop : 0 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/ReachabilityCardinality13203483067912415423.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2593909690232321890.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.

java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.ensureOpen(BufferedInputStream.java:206)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:411)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:405)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:350)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:393)
at java.base/sun.nio.cs.StreamDecoder.lockedRead(StreamDecoder.java:217)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:171)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:188)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:160)
at java.base/java.io.BufferedReader.implReadLine(BufferedReader.java:370)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:347)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:436)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:1583)
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 43 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 32367 ms.

BK_STOP 1748999433218

--------------------
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="ShieldPPPs-PT-002B"
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 ShieldPPPs-PT-002B, 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 r203-tall-174894541000392"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldPPPs-PT-002B.tgz
mv ShieldPPPs-PT-002B 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 ;