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-177955695600494.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-8a, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695600494
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 9.2M
-rw-r--r-- 1 mcc users 6.7K Mar 6 14:51 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K Mar 6 14:51 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 6 14:42 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K Mar 6 14:42 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 09:20 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 09:20 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 09:20 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 15 09:20 LTLFireability.xml
-rw-r--r-- 1 mcc users 18K Mar 6 15:14 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 194K Mar 6 15:14 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.8K Mar 6 15:04 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 62K Mar 6 15:04 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:20 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:20 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 8.7M 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-8a-ReachabilityCardinality-2024-00
FORMULA_NAME DLCflexbar-PT-8a-ReachabilityCardinality-2024-01
FORMULA_NAME DLCflexbar-PT-8a-ReachabilityCardinality-2024-02
FORMULA_NAME DLCflexbar-PT-8a-ReachabilityCardinality-2024-03
FORMULA_NAME DLCflexbar-PT-8a-ReachabilityCardinality-2024-04
FORMULA_NAME DLCflexbar-PT-8a-ReachabilityCardinality-2024-05
FORMULA_NAME DLCflexbar-PT-8a-ReachabilityCardinality-2024-06
FORMULA_NAME DLCflexbar-PT-8a-ReachabilityCardinality-2024-07
FORMULA_NAME DLCflexbar-PT-8a-ReachabilityCardinality-2024-08
FORMULA_NAME DLCflexbar-PT-8a-ReachabilityCardinality-2024-09
FORMULA_NAME DLCflexbar-PT-8a-ReachabilityCardinality-2024-10
FORMULA_NAME DLCflexbar-PT-8a-ReachabilityCardinality-2024-11
FORMULA_NAME DLCflexbar-PT-8a-ReachabilityCardinality-2024-12
FORMULA_NAME DLCflexbar-PT-8a-ReachabilityCardinality-2024-13
FORMULA_NAME DLCflexbar-PT-8a-ReachabilityCardinality-2024-14
FORMULA_NAME DLCflexbar-PT-8a-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779623090025

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-8a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-24 11:44:51] [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 11:44:51] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 11:44:51] [INFO ] Load time of PNML (sax parser for PT used): 691 ms
[2026-05-24 11:44:52] [INFO ] Transformed 3971 places.
[2026-05-24 11:44:52] [INFO ] Transformed 32571 transitions.
[2026-05-24 11:44:52] [INFO ] Found NUPN structural information;
[2026-05-24 11:44:52] [INFO ] Parsed PT model containing 3971 places and 32571 transitions and 129321 arcs in 896 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 27 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 3480 transitions
Reduce redundant transitions removed 3480 transitions.
FORMULA DLCflexbar-PT-8a-ReachabilityCardinality-2024-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCflexbar-PT-8a-ReachabilityCardinality-2024-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCflexbar-PT-8a-ReachabilityCardinality-2024-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCflexbar-PT-8a-ReachabilityCardinality-2024-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCflexbar-PT-8a-ReachabilityCardinality-2024-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (8 resets) in 7101 ms. (5 steps per ms) remains 9/11 properties
FORMULA DLCflexbar-PT-8a-ReachabilityCardinality-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-8a-ReachabilityCardinality-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 2576 ms. (15 steps per ms) remains 9/9 properties
[2026-05-24 11:44:55] [INFO ] Flatten gal took : 2709 ms
BEST_FIRST walk for 40004 steps (8 resets) in 3031 ms. (13 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2748 ms. (14 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2831 ms. (14 steps per ms) remains 9/9 properties
[2026-05-24 11:44:57] [INFO ] Flatten gal took : 1843 ms
[2026-05-24 11:44:58] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14312252214635019050.gal : 371 ms
[2026-05-24 11:44:58] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10873111422300441288.prop : 6 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/ReachabilityCardinality14312252214635019050.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10873111422300441288.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 ...330
BEST_FIRST walk for 40004 steps (8 resets) in 2969 ms. (13 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2472 ms. (16 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2534 ms. (15 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2414 ms. (16 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2372 ms. (16 steps per ms) remains 9/9 properties
[2026-05-24 11:45:01] [INFO ] Flow matrix only has 1562 transitions (discarded 27529 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1104783274199215806.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6948994752394227027.kers'
[2026-05-24 11:45:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1104783274199215806.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6948994752394227027.kers]
Normalized transition count is 1561 out of 1562 initially.
Culling duplicate invariants (modulo rational): removing 2890 columns.
Culled 2890 columns in 2 ms.
// Phase 1: matrix 1561 rows 1081 cols 3271 entries
Finished phase 1 with 931 SingleSign rule and 0 generalized
[2026-05-24 11:45:01] [INFO ] Computed 3040 invariants in 9 ms
Computed 3040 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-6948994752394227027.kers
Total runtime 12 ms.
[2026-05-24 11:45:01] [INFO ] State equation strengthened by 341 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Loading property file /tmp/ReachabilityCardinality10873111422300441288.prop.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 192/192 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Problem DLCflexbar-PT-8a-ReachabilityCardinality-2024-02 is UNSAT
FORMULA DLCflexbar-PT-8a-ReachabilityCardinality-2024-02 FALSE TECHNIQUES SMT_REFINEMENT
Problem DLCflexbar-PT-8a-ReachabilityCardinality-2024-06 is UNSAT
FORMULA DLCflexbar-PT-8a-ReachabilityCardinality-2024-06 FALSE TECHNIQUES SMT_REFINEMENT
Problem DLCflexbar-PT-8a-ReachabilityCardinality-2024-07 is UNSAT
FORMULA DLCflexbar-PT-8a-ReachabilityCardinality-2024-07 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 274/466 variables, 183/375 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/466 variables, 274/649 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/466 variables, 0/649 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 3505/3971 variables, 2857/3506 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3971 variables, 3505/7011 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3971 variables, 0/7011 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 1561/5532 variables, 3971/10982 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5532 variables, 340/11322 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/5532 variables, 0/11322 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 1/5533 variables, 1/11323 constraints. Problems are: Problem set: 3 solved, 6 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5533/5533 variables, and 11323 constraints, problems are : Problem set: 3 solved, 6 unsolved in 5052 ms.
Refiners :[Domain max(s): 3971/3971 constraints, Positive P Invariants (semi-flows): 3040/3040 constraints, State Equation: 3971/3971 constraints, ReadFeed: 341/341 constraints, PredecessorRefiner: 9/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/113 variables, 113/113 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/113 variables, 0/113 constraints. Problems are: Problem set: 3 solved, 6 unsolved
Problem DLCflexbar-PT-8a-ReachabilityCardinality-2024-01 is UNSAT
FORMULA DLCflexbar-PT-8a-ReachabilityCardinality-2024-01 TRUE TECHNIQUES SMT_REFINEMENT
Problem DLCflexbar-PT-8a-ReachabilityCardinality-2024-03 is UNSAT
FORMULA DLCflexbar-PT-8a-ReachabilityCardinality-2024-03 TRUE TECHNIQUES SMT_REFINEMENT
Problem DLCflexbar-PT-8a-ReachabilityCardinality-2024-04 is UNSAT
FORMULA DLCflexbar-PT-8a-ReachabilityCardinality-2024-04 TRUE TECHNIQUES SMT_REFINEMENT
Problem DLCflexbar-PT-8a-ReachabilityCardinality-2024-05 is UNSAT
FORMULA DLCflexbar-PT-8a-ReachabilityCardinality-2024-05 TRUE TECHNIQUES SMT_REFINEMENT
Problem DLCflexbar-PT-8a-ReachabilityCardinality-2024-10 is UNSAT
FORMULA DLCflexbar-PT-8a-ReachabilityCardinality-2024-10 TRUE TECHNIQUES SMT_REFINEMENT
Problem DLCflexbar-PT-8a-ReachabilityCardinality-2024-14 is UNSAT
FORMULA DLCflexbar-PT-8a-ReachabilityCardinality-2024-14 TRUE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Int declared 284/5533 variables, and 222 constraints, problems are : Problem set: 9 solved, 0 unsolved in 178 ms.
Refiners :[Domain max(s): 113/3971 constraints, Positive P Invariants (semi-flows): 109/3040 constraints, State Equation: 0/3971 constraints, ReadFeed: 0/341 constraints, PredecessorRefiner: 2/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5543ms problems are : Problem set: 9 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 15623 ms.

BK_STOP 1779623106841

--------------------
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-8a"
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-8a, 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-177955695600494"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCflexbar-PT-8a.tgz
mv DLCflexbar-PT-8a 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 ;