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.r114-smll-177955740300014.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 DoubleLock-PT-p1s2, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r114-smll-177955740300014
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.7M
-rw-r--r-- 1 mcc users 4.9K Mar 6 18:10 CTLCardinality.txt
-rw-r--r-- 1 mcc users 46K Mar 6 18:10 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Mar 6 18:10 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 6 18:10 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 09:38 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 09:38 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 09:38 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 09:38 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.8K Mar 6 18:10 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 91K Mar 6 18:10 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.6K Mar 6 18:10 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 6 18:10 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:38 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:38 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 3.4M 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 DoubleLock-PT-p1s2-ReachabilityCardinality-2024-00
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityCardinality-2024-01
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityCardinality-2024-02
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityCardinality-2024-03
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityCardinality-2024-04
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityCardinality-2024-05
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityCardinality-2024-06
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityCardinality-2024-07
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityCardinality-2024-08
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityCardinality-2024-09
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityCardinality-2024-10
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityCardinality-2024-11
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityCardinality-2024-12
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityCardinality-2024-13
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityCardinality-2024-14
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779572521314

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DoubleLock-PT-p1s2
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-23 21:42:03] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-23 21:42:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 21:42:04] [INFO ] Load time of PNML (sax parser for PT used): 733 ms
[2026-05-23 21:42:04] [INFO ] Transformed 570 places.
[2026-05-23 21:42:04] [INFO ] Transformed 7600 transitions.
[2026-05-23 21:42:04] [INFO ] Parsed PT model containing 570 places and 7600 transitions and 30784 arcs in 1012 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 27 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 132 places in 30 ms
Reduce places removed 132 places and 256 transitions.
FORMULA DoubleLock-PT-p1s2-ReachabilityCardinality-2024-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p1s2-ReachabilityCardinality-2024-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p1s2-ReachabilityCardinality-2024-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p1s2-ReachabilityCardinality-2024-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p1s2-ReachabilityCardinality-2024-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40009 steps (346 resets) in 3312 ms. (12 steps per ms) remains 9/11 properties
FORMULA DoubleLock-PT-p1s2-ReachabilityCardinality-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p1s2-ReachabilityCardinality-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (53 resets) in 371 ms. (107 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (50 resets) in 398 ms. (100 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (57 resets) in 204 ms. (195 steps per ms) remains 8/9 properties
FORMULA DoubleLock-PT-p1s2-ReachabilityCardinality-2024-04 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (55 resets) in 172 ms. (231 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (58 resets) in 217 ms. (183 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (57 resets) in 272 ms. (146 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (57 resets) in 152 ms. (261 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (303 resets) in 839 ms. (47 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (54 resets) in 214 ms. (186 steps per ms) remains 8/8 properties
[2026-05-23 21:42:06] [INFO ] Flow matrix only has 5003 transitions (discarded 2341 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13099308491334697152.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1389622916827457750.kers'
[2026-05-23 21:42:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13099308491334697152.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1389622916827457750.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 3 ms.
// Phase 1: matrix 5003 rows 437 cols 19438 entries
Finished phase 1 with 434 SingleSign rule and 0 generalized
[2026-05-23 21:42:06] [INFO ] Computed 4 invariants in 56 ms
Computed 4 P flows in 57 ms.
Exported basis to /tmp/petrispot-output-1389622916827457750.kers
Total runtime 62 ms.
[2026-05-23 21:42:06] [INFO ] Flatten gal took : 1308 ms
[2026-05-23 21:42:06] [INFO ] State equation strengthened by 400 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
[2026-05-23 21:42:07] [INFO ] Flatten gal took : 303 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/47 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
[2026-05-23 21:42:07] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2866859417113404611.gal : 217 ms
[2026-05-23 21:42:07] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7690965397388038123.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/ReachabilityCardinality2866859417113404611.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7690965397388038123.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
Problem DoubleLock-PT-p1s2-ReachabilityCardinality-2024-01 is UNSAT
FORMULA DoubleLock-PT-p1s2-ReachabilityCardinality-2024-01 TRUE TECHNIQUES SMT_REFINEMENT
Problem DoubleLock-PT-p1s2-ReachabilityCardinality-2024-03 is UNSAT
FORMULA DoubleLock-PT-p1s2-ReachabilityCardinality-2024-03 TRUE TECHNIQUES SMT_REFINEMENT
Problem DoubleLock-PT-p1s2-ReachabilityCardinality-2024-08 is UNSAT
FORMULA DoubleLock-PT-p1s2-ReachabilityCardinality-2024-08 FALSE TECHNIQUES SMT_REFINEMENT
Problem DoubleLock-PT-p1s2-ReachabilityCardinality-2024-09 is UNSAT
FORMULA DoubleLock-PT-p1s2-ReachabilityCardinality-2024-09 FALSE TECHNIQUES SMT_REFINEMENT
Problem DoubleLock-PT-p1s2-ReachabilityCardinality-2024-11 is UNSAT
FORMULA DoubleLock-PT-p1s2-ReachabilityCardinality-2024-11 FALSE TECHNIQUES SMT_REFINEMENT
Problem DoubleLock-PT-p1s2-ReachabilityCardinality-2024-13 is UNSAT
FORMULA DoubleLock-PT-p1s2-ReachabilityCardinality-2024-13 TRUE TECHNIQUES SMT_REFINEMENT
Problem DoubleLock-PT-p1s2-ReachabilityCardinality-2024-14 is UNSAT
FORMULA DoubleLock-PT-p1s2-ReachabilityCardinality-2024-14 FALSE TECHNIQUES SMT_REFINEMENT
Problem DoubleLock-PT-p1s2-ReachabilityCardinality-2024-15 is UNSAT
FORMULA DoubleLock-PT-p1s2-ReachabilityCardinality-2024-15 FALSE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Real declared 421/5441 variables, and 3 constraints, problems are : Problem set: 8 solved, 0 unsolved in 496 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/438 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 8/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 918ms problems are : Problem set: 8 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
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 4086 ms.

BK_STOP 1779572527439

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -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 ReachabilityCardinality -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="DoubleLock-PT-p1s2"
export BK_EXAMINATION="ReachabilityCardinality"
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 DoubleLock-PT-p1s2, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r114-smll-177955740300014"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DoubleLock-PT-p1s2.tgz
mv DoubleLock-PT-p1s2 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;