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-177955695600446.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 ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695600446
=====================================================================

--------------------
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-ReachabilityCardinality-2024-00
FORMULA_NAME DLCflexbar-PT-5a-ReachabilityCardinality-2024-01
FORMULA_NAME DLCflexbar-PT-5a-ReachabilityCardinality-2024-02
FORMULA_NAME DLCflexbar-PT-5a-ReachabilityCardinality-2024-03
FORMULA_NAME DLCflexbar-PT-5a-ReachabilityCardinality-2024-04
FORMULA_NAME DLCflexbar-PT-5a-ReachabilityCardinality-2024-05
FORMULA_NAME DLCflexbar-PT-5a-ReachabilityCardinality-2024-06
FORMULA_NAME DLCflexbar-PT-5a-ReachabilityCardinality-2024-07
FORMULA_NAME DLCflexbar-PT-5a-ReachabilityCardinality-2024-08
FORMULA_NAME DLCflexbar-PT-5a-ReachabilityCardinality-2024-09
FORMULA_NAME DLCflexbar-PT-5a-ReachabilityCardinality-2024-10
FORMULA_NAME DLCflexbar-PT-5a-ReachabilityCardinality-2024-11
FORMULA_NAME DLCflexbar-PT-5a-ReachabilityCardinality-2024-12
FORMULA_NAME DLCflexbar-PT-5a-ReachabilityCardinality-2024-13
FORMULA_NAME DLCflexbar-PT-5a-ReachabilityCardinality-2024-14
FORMULA_NAME DLCflexbar-PT-5a-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779614416247

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
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
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-24 09:20:17] [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]
[2026-05-24 09:20:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 09:20:17] [INFO ] Load time of PNML (sax parser for PT used): 347 ms
[2026-05-24 09:20:17] [INFO ] Transformed 1415 places.
[2026-05-24 09:20:17] [INFO ] Transformed 10593 transitions.
[2026-05-24 09:20:17] [INFO ] Found NUPN structural information;
[2026-05-24 09:20:17] [INFO ] Parsed PT model containing 1415 places and 10593 transitions and 41484 arcs in 482 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 18 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 1179 transitions
Reduce redundant transitions removed 1179 transitions.
FORMULA DLCflexbar-PT-5a-ReachabilityCardinality-2024-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCflexbar-PT-5a-ReachabilityCardinality-2024-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCflexbar-PT-5a-ReachabilityCardinality-2024-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-24 09:20:19] [INFO ] Flatten gal took : 787 ms
RANDOM walk for 40000 steps (8 resets) in 4577 ms. (8 steps per ms) remains 11/13 properties
FORMULA DLCflexbar-PT-5a-ReachabilityCardinality-2024-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-5a-ReachabilityCardinality-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-24 09:20:19] [INFO ] Flatten gal took : 292 ms
[2026-05-24 09:20:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8832946825327413370.gal : 139 ms
BEST_FIRST walk for 40004 steps (8 resets) in 1413 ms. (28 steps per ms) remains 11/11 properties
[2026-05-24 09:20:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11150335106252834697.prop : 3 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/ReachabilityCardinality8832946825327413370.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11150335106252834697.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 1326 ms. (30 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1267 ms. (31 steps per ms) remains 11/11 properties
Loading property file /tmp/ReachabilityCardinality11150335106252834697.prop.
BEST_FIRST walk for 40004 steps (8 resets) in 998 ms. (40 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 909 ms. (43 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 866 ms. (46 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 843 ms. (47 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 910 ms. (43 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 915 ms. (43 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 823 ms. (48 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 767 ms. (52 steps per ms) remains 11/11 properties
[2026-05-24 09:20:28] [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-11044055212122866276.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11930790318298971377.kers'
[2026-05-24 09:20:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11044055212122866276.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11930790318298971377.kers]
Normalized transition count is 733 out of 734 initially.
Culling duplicate invariants (modulo rational): removing 910 columns.
Culled 910 columns in 1 ms.
// Phase 1: matrix 733 rows 505 cols 1534 entries
Finished phase 1 with 436 SingleSign rule and 0 generalized
[2026-05-24 09:20:28] [INFO ] Computed 979 invariants in 6 ms
Computed 979 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-11930790318298971377.kers
Total runtime 7 ms.
[2026-05-24 09:20:29] [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) 0/159 variables, 159/159 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/159 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Problem DLCflexbar-PT-5a-ReachabilityCardinality-2024-01 is UNSAT
FORMULA DLCflexbar-PT-5a-ReachabilityCardinality-2024-01 FALSE TECHNIQUES SMT_REFINEMENT
Problem DLCflexbar-PT-5a-ReachabilityCardinality-2024-03 is UNSAT
FORMULA DLCflexbar-PT-5a-ReachabilityCardinality-2024-03 FALSE TECHNIQUES SMT_REFINEMENT
Problem DLCflexbar-PT-5a-ReachabilityCardinality-2024-05 is UNSAT
FORMULA DLCflexbar-PT-5a-ReachabilityCardinality-2024-05 FALSE TECHNIQUES SMT_REFINEMENT
Problem DLCflexbar-PT-5a-ReachabilityCardinality-2024-08 is UNSAT
FORMULA DLCflexbar-PT-5a-ReachabilityCardinality-2024-08 FALSE TECHNIQUES SMT_REFINEMENT
Problem DLCflexbar-PT-5a-ReachabilityCardinality-2024-09 is UNSAT
FORMULA DLCflexbar-PT-5a-ReachabilityCardinality-2024-09 FALSE TECHNIQUES SMT_REFINEMENT
Problem DLCflexbar-PT-5a-ReachabilityCardinality-2024-13 is UNSAT
FORMULA DLCflexbar-PT-5a-ReachabilityCardinality-2024-13 FALSE TECHNIQUES SMT_REFINEMENT
Problem DLCflexbar-PT-5a-ReachabilityCardinality-2024-15 is UNSAT
FORMULA DLCflexbar-PT-5a-ReachabilityCardinality-2024-15 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 240/399 variables, 149/308 constraints. Problems are: Problem set: 7 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/399 variables, 240/548 constraints. Problems are: Problem set: 7 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/399 variables, 0/548 constraints. Problems are: Problem set: 7 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 1016/1415 variables, 830/1378 constraints. Problems are: Problem set: 7 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1415 variables, 1016/2394 constraints. Problems are: Problem set: 7 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1415 variables, 0/2394 constraints. Problems are: Problem set: 7 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 733/2148 variables, 1415/3809 constraints. Problems are: Problem set: 7 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2148 variables, 166/3975 constraints. Problems are: Problem set: 7 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2148 variables, 0/3975 constraints. Problems are: Problem set: 7 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 1/2149 variables, 1/3976 constraints. Problems are: Problem set: 7 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2149 variables, 0/3976 constraints. Problems are: Problem set: 7 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 0/2149 variables, 0/3976 constraints. Problems are: Problem set: 7 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2149/2149 variables, and 3976 constraints, problems are : Problem set: 7 solved, 4 unsolved in 2128 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: 11/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 7 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 25/25 constraints. Problems are: Problem set: 7 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 0/25 constraints. Problems are: Problem set: 7 solved, 4 unsolved
Problem DLCflexbar-PT-5a-ReachabilityCardinality-2024-04 is UNSAT
FORMULA DLCflexbar-PT-5a-ReachabilityCardinality-2024-04 TRUE TECHNIQUES SMT_REFINEMENT
Problem DLCflexbar-PT-5a-ReachabilityCardinality-2024-06 is UNSAT
FORMULA DLCflexbar-PT-5a-ReachabilityCardinality-2024-06 TRUE TECHNIQUES SMT_REFINEMENT
Problem DLCflexbar-PT-5a-ReachabilityCardinality-2024-07 is UNSAT
FORMULA DLCflexbar-PT-5a-ReachabilityCardinality-2024-07 TRUE TECHNIQUES SMT_REFINEMENT
Problem DLCflexbar-PT-5a-ReachabilityCardinality-2024-14 is UNSAT
FORMULA DLCflexbar-PT-5a-ReachabilityCardinality-2024-14 TRUE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Int declared 65/2149 variables, and 50 constraints, problems are : Problem set: 11 solved, 0 unsolved in 73 ms.
Refiners :[Domain max(s): 25/1415 constraints, Positive P Invariants (semi-flows): 25/979 constraints, State Equation: 0/1415 constraints, ReadFeed: 0/167 constraints, PredecessorRefiner: 0/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2420ms problems are : Problem set: 11 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 13931 ms.

BK_STOP 1779614431365

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
++ perl -pe 's/.*\.//g'
+ 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="DLCflexbar-PT-5a"
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 DLCflexbar-PT-5a, 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 r098-tall-177955695600446"
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 [ "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 ;