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.r098-tall-177955695600463.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 DLCflexbar-PT-6a, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695600463
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.7M
-rw-r--r-- 1 mcc users 7.8K Mar 6 15:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K Mar 6 15:50 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Mar 6 15:46 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Mar 6 15:46 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:19 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 09:19 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 09:19 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 09:19 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 6 15:57 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 111K Mar 6 15:57 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 6 15:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 105K Mar 6 15:53 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:19 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:19 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 4.2M 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 DLCflexbar-PT-6a-ReachabilityFireability-2024-00
FORMULA_NAME DLCflexbar-PT-6a-ReachabilityFireability-2024-01
FORMULA_NAME DLCflexbar-PT-6a-ReachabilityFireability-2024-02
FORMULA_NAME DLCflexbar-PT-6a-ReachabilityFireability-2024-03
FORMULA_NAME DLCflexbar-PT-6a-ReachabilityFireability-2024-04
FORMULA_NAME DLCflexbar-PT-6a-ReachabilityFireability-2024-05
FORMULA_NAME DLCflexbar-PT-6a-ReachabilityFireability-2024-06
FORMULA_NAME DLCflexbar-PT-6a-ReachabilityFireability-2024-07
FORMULA_NAME DLCflexbar-PT-6a-ReachabilityFireability-2024-08
FORMULA_NAME DLCflexbar-PT-6a-ReachabilityFireability-2024-09
FORMULA_NAME DLCflexbar-PT-6a-ReachabilityFireability-2024-10
FORMULA_NAME DLCflexbar-PT-6a-ReachabilityFireability-2024-11
FORMULA_NAME DLCflexbar-PT-6a-ReachabilityFireability-2024-12
FORMULA_NAME DLCflexbar-PT-6a-ReachabilityFireability-2024-13
FORMULA_NAME DLCflexbar-PT-6a-ReachabilityFireability-2024-14
FORMULA_NAME DLCflexbar-PT-6a-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779617247927

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DLCflexbar-PT-6a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-24 10:07:29] [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]
[2026-05-24 10:07:29] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 10:07:29] [INFO ] Load time of PNML (sax parser for PT used): 429 ms
[2026-05-24 10:07:29] [INFO ] Transformed 2069 places.
[2026-05-24 10:07:29] [INFO ] Transformed 16077 transitions.
[2026-05-24 10:07:29] [INFO ] Found NUPN structural information;
[2026-05-24 10:07:29] [INFO ] Parsed PT model containing 2069 places and 16077 transitions and 63325 arcs in 600 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 23 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 1760 transitions
Reduce redundant transitions removed 1760 transitions.
RANDOM walk for 40000 steps (8 resets) in 4289 ms. (9 steps per ms) remains 3/16 properties
FORMULA DLCflexbar-PT-6a-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-6a-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-6a-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-6a-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-6a-ReachabilityFireability-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-6a-ReachabilityFireability-2024-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-6a-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-6a-ReachabilityFireability-2024-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-6a-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-6a-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-6a-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-6a-ReachabilityFireability-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-6a-ReachabilityFireability-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-24 10:07:31] [INFO ] Flatten gal took : 1173 ms
BEST_FIRST walk for 40004 steps (8 resets) in 2305 ms. (17 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1854 ms. (21 steps per ms) remains 3/3 properties
[2026-05-24 10:07:32] [INFO ] Flatten gal took : 772 ms
[2026-05-24 10:07:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16577549586156085994.gal : 220 ms
[2026-05-24 10:07:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11797689336339575626.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/ReachabilityCardinality16577549586156085994.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11797689336339575626.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (8 resets) in 1863 ms. (21 steps per ms) remains 3/3 properties

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 ...330
[2026-05-24 10:07:32] [INFO ] Flow matrix only has 970 transitions (discarded 13347 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8865961255973900704.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6890143394281548500.kers'
[2026-05-24 10:07:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8865961255973900704.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6890143394281548500.kers]
Normalized transition count is 969 out of 970 initially.
Culling duplicate invariants (modulo rational): removing 1400 columns.
Culled 1400 columns in 1 ms.
// Phase 1: matrix 969 rows 669 cols 2029 entries
Finished phase 1 with 577 SingleSign rule and 0 generalized
[2026-05-24 10:07:32] [INFO ] Computed 1492 invariants in 5 ms
Computed 1492 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-6890143394281548500.kers
Total runtime 7 ms.
[2026-05-24 10:07:33] [INFO ] State equation strengthened by 217 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/197 variables, 197/197 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/197 variables, 0/197 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem DLCflexbar-PT-6a-ReachabilityFireability-2024-03 is UNSAT
FORMULA DLCflexbar-PT-6a-ReachabilityFireability-2024-03 FALSE TECHNIQUES SMT_REFINEMENT
Problem DLCflexbar-PT-6a-ReachabilityFireability-2024-06 is UNSAT
FORMULA DLCflexbar-PT-6a-ReachabilityFireability-2024-06 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 303/500 variables, 163/360 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/500 variables, 303/663 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/500 variables, 0/663 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1569/2069 variables, 1329/1992 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2069 variables, 1569/3561 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2069 variables, 0/3561 constraints. Problems are: Problem set: 2 solved, 1 unsolved
Loading property file /tmp/ReachabilityCardinality11797689336339575626.prop.
At refinement iteration 8 (OVERLAPS) 969/3038 variables, 2069/5630 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3038 variables, 216/5846 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3038 variables, 0/5846 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/3039 variables, 1/5847 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3039 variables, 0/5847 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/3039 variables, 0/5847 constraints. Problems are: Problem set: 2 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3039/3039 variables, and 5847 constraints, problems are : Problem set: 2 solved, 1 unsolved in 1754 ms.
Refiners :[Domain max(s): 2069/2069 constraints, Positive P Invariants (semi-flows): 1492/1492 constraints, State Equation: 2069/2069 constraints, ReadFeed: 217/217 constraints, PredecessorRefiner: 3/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 75/75 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/75 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 147/222 variables, 62/137 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/222 variables, 147/284 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/222 variables, 0/284 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1847/2069 variables, 1430/1714 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2069 variables, 1847/3561 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2069 variables, 0/3561 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 969/3038 variables, 2069/5630 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3038 variables, 216/5846 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3038 variables, 0/5846 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/3039 variables, 1/5847 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3039 variables, 0/5847 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/3039 variables, 0/5847 constraints. Problems are: Problem set: 2 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3039/3039 variables, and 5847 constraints, problems are : Problem set: 2 solved, 1 unsolved in 1977 ms.
Refiners :[Domain max(s): 2069/2069 constraints, Positive P Invariants (semi-flows): 1492/1492 constraints, State Equation: 2069/2069 constraints, ReadFeed: 217/217 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4081ms problems are : Problem set: 2 solved, 1 unsolved
Finished Parikh walk after 500 steps, including 0 resets, run visited all 1 properties in 28 ms. (steps per millisecond=17 )
FORMULA DLCflexbar-PT-6a-ReachabilityFireability-2024-01 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 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 7913 ms.

BK_STOP 1779617257025

--------------------
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="DLCflexbar-PT-6a"
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 DLCflexbar-PT-6a, 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 r098-tall-177955695600463"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCflexbar-PT-6a.tgz
mv DLCflexbar-PT-6a 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 ;