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.r130-smll-177955809000318.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 FlexibleBarrier-PT-04b, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809000318
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 488K
-rw-r--r-- 1 mcc users 7.3K Mar 7 05:26 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Mar 7 05:26 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Mar 7 05:26 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Mar 7 05:26 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:10 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 10:10 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 10:10 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 10:10 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 7 05:26 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 106K Mar 7 05:26 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Mar 7 05:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 49K Mar 7 05:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:10 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:10 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 69K 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 FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-00
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-01
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-02
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-03
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-04
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-05
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-06
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-07
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-08
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-09
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-10
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-11
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-12
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-13
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-14
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779868417856

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FlexibleBarrier-PT-04b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-27 07:53:40] [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]
[2026-05-27 07:53:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 07:53:40] [INFO ] Load time of PNML (sax parser for PT used): 184 ms
[2026-05-27 07:53:40] [INFO ] Transformed 268 places.
[2026-05-27 07:53:40] [INFO ] Transformed 305 transitions.
[2026-05-27 07:53:40] [INFO ] Found NUPN structural information;
[2026-05-27 07:53:40] [INFO ] Parsed PT model containing 268 places and 305 transitions and 743 arcs in 500 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 42 ms.
Working with output stream class java.io.PrintStream
FORMULA FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (948 resets) in 2693 ms. (14 steps per ms) remains 4/12 properties
FORMULA FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-27 07:53:42] [INFO ] Flatten gal took : 164 ms
BEST_FIRST walk for 40004 steps (178 resets) in 466 ms. (85 steps per ms) remains 4/4 properties
[2026-05-27 07:53:42] [INFO ] Flatten gal took : 80 ms
[2026-05-27 07:53:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality441516332043335192.gal : 60 ms
BEST_FIRST walk for 40004 steps (174 resets) in 409 ms. (97 steps per ms) remains 3/4 properties
FORMULA FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-08 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2026-05-27 07:53:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10447525997353000697.prop : 15 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/ReachabilityCardinality441516332043335192.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10447525997353000697.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (171 resets) in 1068 ms. (37 steps per ms) remains 3/3 properties

BEST_FIRST walk for 40002 steps (226 resets) in 1384 ms. (28 steps per ms) remains 2/3 properties
FORMULA FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-14 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
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
Loading property file /tmp/ReachabilityCardinality10447525997353000697.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :5 after 11
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :11 after 20
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :20 after 260
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7561514904546595328.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12909442202793013986.kers'
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :260 after 4115
[2026-05-27 07:53:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7561514904546595328.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12909442202793013986.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 305 rows 268 cols 743 entries
Finished phase 1 with 262 SingleSign rule and 0 generalized
[2026-05-27 07:53:43] [INFO ] Computed 6 invariants in 2 ms
Computed 6 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-12909442202793013986.kers
Total runtime 4 ms.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/48 variables, 48/48 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :4115 after 1.11342e+06
At refinement iteration 1 (INCLUDED_ONLY) 0/48 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-13 is UNSAT
FORMULA FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-13 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 220/268 variables, 6/54 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/268 variables, 220/274 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/268 variables, 0/274 constraints. Problems are: Problem set: 1 solved, 1 unsolved
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :1.11342e+06 after 1.19518e+06
At refinement iteration 5 (OVERLAPS) 305/573 variables, 268/542 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/573 variables, 0/542 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/573 variables, 0/542 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 573/573 variables, and 542 constraints, problems are : Problem set: 1 solved, 1 unsolved in 765 ms.
Refiners :[Domain max(s): 268/268 constraints, Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 268/268 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :1.19518e+06 after 1.47851e+06
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 12/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 244/256 variables, 5/17 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/256 variables, 244/261 constraints. Problems are: Problem set: 1 solved, 1 unsolved
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :1.47851e+06 after 2.07732e+06
At refinement iteration 4 (INCLUDED_ONLY) 0/256 variables, 2/263 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/256 variables, 0/263 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 12/268 variables, 1/264 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/268 variables, 12/276 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/268 variables, 1/277 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/268 variables, 0/277 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 305/573 variables, 268/545 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/573 variables, 1/546 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/573 variables, 0/546 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/573 variables, 0/546 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 573/573 variables, and 546 constraints, problems are : Problem set: 1 solved, 1 unsolved in 1294 ms.
Refiners :[Domain max(s): 268/268 constraints, Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 268/268 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2253ms problems are : Problem set: 1 solved, 1 unsolved
Finished Parikh walk after 6327 steps, including 74 resets, run visited all 1 properties in 19 ms. (steps per millisecond=333 )
FORMULA FlexibleBarrier-PT-04b-ReachabilityCardinality-2024-06 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 26 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 5180 ms.

BK_STOP 1779868425600

--------------------
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="FlexibleBarrier-PT-04b"
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 FlexibleBarrier-PT-04b, 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 r130-smll-177955809000318"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-04b.tgz
mv FlexibleBarrier-PT-04b 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 ;