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-177955809100455.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)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is FlexibleBarrier-PT-22a, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809100455
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 836K
-rw-r--r-- 1 mcc users 6.2K Mar 7 07:25 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K Mar 7 07:25 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Mar 7 07:16 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 7 07:16 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 3.4K Mar 15 10:15 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Mar 15 10:15 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 10:16 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:16 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 7 07:25 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 124K Mar 7 07:25 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.1K Mar 7 07:25 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 67K Mar 7 07:25 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:16 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 384K 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-22a-ReachabilityFireability-2024-00
FORMULA_NAME FlexibleBarrier-PT-22a-ReachabilityFireability-2024-01
FORMULA_NAME FlexibleBarrier-PT-22a-ReachabilityFireability-2024-02
FORMULA_NAME FlexibleBarrier-PT-22a-ReachabilityFireability-2024-03
FORMULA_NAME FlexibleBarrier-PT-22a-ReachabilityFireability-2024-04
FORMULA_NAME FlexibleBarrier-PT-22a-ReachabilityFireability-2024-05
FORMULA_NAME FlexibleBarrier-PT-22a-ReachabilityFireability-2024-06
FORMULA_NAME FlexibleBarrier-PT-22a-ReachabilityFireability-2024-07
FORMULA_NAME FlexibleBarrier-PT-22a-ReachabilityFireability-2024-08
FORMULA_NAME FlexibleBarrier-PT-22a-ReachabilityFireability-2024-09
FORMULA_NAME FlexibleBarrier-PT-22a-ReachabilityFireability-2024-10
FORMULA_NAME FlexibleBarrier-PT-22a-ReachabilityFireability-2024-11
FORMULA_NAME FlexibleBarrier-PT-22a-ReachabilityFireability-2024-12
FORMULA_NAME FlexibleBarrier-PT-22a-ReachabilityFireability-2024-13
FORMULA_NAME FlexibleBarrier-PT-22a-ReachabilityFireability-2024-14
FORMULA_NAME FlexibleBarrier-PT-22a-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779933212257

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FlexibleBarrier-PT-22a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-28 01:53:34] [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]
[2026-05-28 01:53:34] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-28 01:53:34] [INFO ] Load time of PNML (sax parser for PT used): 212 ms
[2026-05-28 01:53:34] [INFO ] Transformed 267 places.
[2026-05-28 01:53:34] [INFO ] Transformed 1258 transitions.
[2026-05-28 01:53:34] [INFO ] Found NUPN structural information;
[2026-05-28 01:53:34] [INFO ] Parsed PT model containing 267 places and 1258 transitions and 6375 arcs in 388 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 19 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Ensure Unique test removed 442 transitions
Reduce redundant transitions removed 442 transitions.
FORMULA FlexibleBarrier-PT-22a-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-22a-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-22a-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (8 resets) in 2411 ms. (16 steps per ms) remains 4/13 properties
FORMULA FlexibleBarrier-PT-22a-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-22a-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-22a-ReachabilityFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-22a-ReachabilityFireability-2024-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-22a-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-22a-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-22a-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-22a-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-22a-ReachabilityFireability-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-28 01:53:35] [INFO ] Flatten gal took : 194 ms
[2026-05-28 01:53:35] [INFO ] Flatten gal took : 154 ms
[2026-05-28 01:53:35] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16071978341007764695.gal : 120 ms
[2026-05-28 01:53:35] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7459554947339793127.prop : 8 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/ReachabilityCardinality16071978341007764695.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7459554947339793127.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 1971 ms. (20 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 338 ms. (118 steps per ms) remains 4/4 properties
Loading property file /tmp/ReachabilityCardinality7459554947339793127.prop.
BEST_FIRST walk for 40004 steps (8 resets) in 416 ms. (95 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 248 ms. (160 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :5 after 7
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :7 after 8
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :8 after 11
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :11 after 55
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :55 after 63
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :63 after 92
[2026-05-28 01:53:36] [INFO ] Flow matrix only has 794 transitions (discarded 22 similar events)
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :92 after 721
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :721 after 5049
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7268293860477833436.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15760674615291223697.kers'
[2026-05-28 01:53:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7268293860477833436.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15760674615291223697.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 794 rows 265 cols 2491 entries
Finished phase 1 with 243 SingleSign rule and 0 generalized
[2026-05-28 01:53:36] [INFO ] Computed 24 invariants in 3 ms
Computed 24 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-15760674615291223697.kers
Total runtime 5 ms.
[2026-05-28 01:53:36] [INFO ] State equation strengthened by 573 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :5049 after 46385
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 74/74 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :46385 after 431073
At refinement iteration 2 (OVERLAPS) 193/267 variables, 24/98 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/267 variables, 193/291 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/267 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 794/1061 variables, 267/558 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1061 variables, 573/1131 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1061 variables, 0/1131 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :431073 after 4.04858e+06
At refinement iteration 8 (OVERLAPS) 0/1061 variables, 0/1131 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1061/1061 variables, and 1131 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1346 ms.
Refiners :[Domain max(s): 267/267 constraints, Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 267/267 constraints, ReadFeed: 573/573 constraints, PredecessorRefiner: 4/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 74/74 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 193/267 variables, 24/98 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/267 variables, 193/291 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/267 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 794/1061 variables, 267/558 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1061 variables, 573/1131 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1061 variables, 0/1131 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/1061 variables, 0/1131 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1061/1061 variables, and 1131 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1493 ms.
Refiners :[Domain max(s): 267/267 constraints, Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 267/267 constraints, ReadFeed: 573/573 constraints, PredecessorRefiner: 4/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3139ms problems are : Problem set: 0 solved, 4 unsolved
FORMULA FlexibleBarrier-PT-22a-ReachabilityFireability-2024-01 FALSE TECHNIQUES PARIKH_WALK
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :4.04858e+06 after 3.83886e+07
FORMULA FlexibleBarrier-PT-22a-ReachabilityFireability-2024-02 FALSE TECHNIQUES PARIKH_WALK
FORMULA FlexibleBarrier-PT-22a-ReachabilityFireability-2024-05 FALSE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 90 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=45 )
FORMULA FlexibleBarrier-PT-22a-ReachabilityFireability-2024-10 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 4 properties in 506 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 5809 ms.

BK_STOP 1779933220134

--------------------
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="FlexibleBarrier-PT-22a"
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 FlexibleBarrier-PT-22a, 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 r130-smll-177955809100455"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-22a.tgz
mv FlexibleBarrier-PT-22a 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 ;