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-177955695600447.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-5a, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695600447
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.2M
-rw-r--r-- 1 mcc users 6.9K Mar 6 15:39 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Mar 6 15:39 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Mar 6 15:36 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Mar 6 15:36 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 3.6K Mar 17 09:01 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 17 09:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 17 09:02 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 17 09:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 15:43 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 118K Mar 6 15:43 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.8K Mar 6 15:41 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K Mar 6 15:41 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 17 09:02 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 17 09:02 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 2.8M 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-5a-ReachabilityFireability-2024-00
FORMULA_NAME DLCflexbar-PT-5a-ReachabilityFireability-2024-01
FORMULA_NAME DLCflexbar-PT-5a-ReachabilityFireability-2024-02
FORMULA_NAME DLCflexbar-PT-5a-ReachabilityFireability-2024-03
FORMULA_NAME DLCflexbar-PT-5a-ReachabilityFireability-2024-04
FORMULA_NAME DLCflexbar-PT-5a-ReachabilityFireability-2024-05
FORMULA_NAME DLCflexbar-PT-5a-ReachabilityFireability-2024-06
FORMULA_NAME DLCflexbar-PT-5a-ReachabilityFireability-2024-07
FORMULA_NAME DLCflexbar-PT-5a-ReachabilityFireability-2024-08
FORMULA_NAME DLCflexbar-PT-5a-ReachabilityFireability-2024-09
FORMULA_NAME DLCflexbar-PT-5a-ReachabilityFireability-2024-10
FORMULA_NAME DLCflexbar-PT-5a-ReachabilityFireability-2024-11
FORMULA_NAME DLCflexbar-PT-5a-ReachabilityFireability-2024-12
FORMULA_NAME DLCflexbar-PT-5a-ReachabilityFireability-2024-13
FORMULA_NAME DLCflexbar-PT-5a-ReachabilityFireability-2024-14
FORMULA_NAME DLCflexbar-PT-5a-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779614453042

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-5a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-24 09:20:54] [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 09:20:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 09:20:54] [INFO ] Load time of PNML (sax parser for PT used): 353 ms
[2026-05-24 09:20:54] [INFO ] Transformed 1415 places.
[2026-05-24 09:20:54] [INFO ] Transformed 10593 transitions.
[2026-05-24 09:20:54] [INFO ] Found NUPN structural information;
[2026-05-24 09:20:54] [INFO ] Parsed PT model containing 1415 places and 10593 transitions and 41484 arcs in 487 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 15 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 1179 transitions
Reduce redundant transitions removed 1179 transitions.
RANDOM walk for 40000 steps (8 resets) in 4616 ms. (8 steps per ms) remains 4/16 properties
FORMULA DLCflexbar-PT-5a-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-5a-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-5a-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-5a-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-5a-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-5a-ReachabilityFireability-2024-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-5a-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-5a-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-5a-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-5a-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-5a-ReachabilityFireability-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-5a-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-24 09:20:56] [INFO ] Flatten gal took : 885 ms
BEST_FIRST walk for 40004 steps (8 resets) in 1653 ms. (24 steps per ms) remains 4/4 properties
[2026-05-24 09:20:56] [INFO ] Flatten gal took : 398 ms
[2026-05-24 09:20:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1925432755164199611.gal : 174 ms
[2026-05-24 09:20:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16672437438948077977.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/ReachabilityCardinality1925432755164199611.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16672437438948077977.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 40004 steps (8 resets) in 1385 ms. (28 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1113 ms. (35 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1398 ms. (28 steps per ms) remains 4/4 properties
Loading property file /tmp/ReachabilityCardinality16672437438948077977.prop.
[2026-05-24 09:20:58] [INFO ] Flow matrix only has 734 transitions (discarded 8680 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6590230732883156715.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16544684064669423500.kers'
[2026-05-24 09:20:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6590230732883156715.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16544684064669423500.kers]
Normalized transition count is 733 out of 734 initially.
Culling duplicate invariants (modulo rational): removing 910 columns.
Culled 910 columns in 0 ms.
// Phase 1: matrix 733 rows 505 cols 1534 entries
Finished phase 1 with 436 SingleSign rule and 0 generalized
[2026-05-24 09:20:58] [INFO ] Computed 979 invariants in 3 ms
Computed 979 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-16544684064669423500.kers
Total runtime 5 ms.
[2026-05-24 09:20:58] [INFO ] State equation strengthened by 167 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/186 variables, 186/186 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/186 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem DLCflexbar-PT-5a-ReachabilityFireability-2024-00 is UNSAT
FORMULA DLCflexbar-PT-5a-ReachabilityFireability-2024-00 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 238/424 variables, 150/336 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/424 variables, 238/574 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/424 variables, 0/574 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 991/1415 variables, 829/1403 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1415 variables, 991/2394 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1415 variables, 0/2394 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 733/2148 variables, 1415/3809 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2148 variables, 166/3975 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2148 variables, 0/3975 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 1/2149 variables, 1/3976 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2149 variables, 0/3976 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/2149 variables, 0/3976 constraints. Problems are: Problem set: 1 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2149/2149 variables, and 3976 constraints, problems are : Problem set: 1 solved, 3 unsolved in 2244 ms.
Refiners :[Domain max(s): 1415/1415 constraints, Positive P Invariants (semi-flows): 979/979 constraints, State Equation: 1415/1415 constraints, ReadFeed: 167/167 constraints, PredecessorRefiner: 4/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 123/123 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 0/123 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Problem DLCflexbar-PT-5a-ReachabilityFireability-2024-09 is UNSAT
FORMULA DLCflexbar-PT-5a-ReachabilityFireability-2024-09 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 172/295 variables, 99/222 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/295 variables, 172/394 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/295 variables, 0/394 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 1120/1415 variables, 880/1274 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1415 variables, 1120/2394 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1415 variables, 0/2394 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 733/2148 variables, 1415/3809 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2148 variables, 166/3975 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2148 variables, 0/3975 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 1/2149 variables, 1/3976 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2149 variables, 0/3976 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/2149 variables, 0/3976 constraints. Problems are: Problem set: 2 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2149/2149 variables, and 3976 constraints, problems are : Problem set: 2 solved, 2 unsolved in 2051 ms.
Refiners :[Domain max(s): 1415/1415 constraints, Positive P Invariants (semi-flows): 979/979 constraints, State Equation: 1415/1415 constraints, ReadFeed: 167/167 constraints, PredecessorRefiner: 3/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4495ms problems are : Problem set: 2 solved, 2 unsolved
Finished Parikh walk after 18121 steps, including 45 resets, run visited all 2 properties in 529 ms. (steps per millisecond=34 )
FORMULA DLCflexbar-PT-5a-ReachabilityFireability-2024-08 TRUE TECHNIQUES PARIKH_WALK
FORMULA DLCflexbar-PT-5a-ReachabilityFireability-2024-04 TRUE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 2 properties in 545 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 9403 ms.

BK_STOP 1779614463609

--------------------
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-5a"
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-5a, 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-177955695600447"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCflexbar-PT-5a.tgz
mv DLCflexbar-PT-5a 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 ;