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.r114-smll-177955740300031.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 DoubleLock-PT-p2s1, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r114-smll-177955740300031
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 540K
-rw-r--r-- 1 mcc users 6.7K Mar 6 18:11 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K Mar 6 18:11 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K Mar 6 18:10 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K Mar 6 18:10 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:39 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 09:39 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 09:39 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:39 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.4K Mar 6 18:11 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 97K Mar 6 18:11 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 6 18:11 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 104K Mar 6 18:11 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:39 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:39 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 97K 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 DoubleLock-PT-p2s1-ReachabilityFireability-2024-00
FORMULA_NAME DoubleLock-PT-p2s1-ReachabilityFireability-2024-01
FORMULA_NAME DoubleLock-PT-p2s1-ReachabilityFireability-2024-02
FORMULA_NAME DoubleLock-PT-p2s1-ReachabilityFireability-2024-03
FORMULA_NAME DoubleLock-PT-p2s1-ReachabilityFireability-2024-04
FORMULA_NAME DoubleLock-PT-p2s1-ReachabilityFireability-2024-05
FORMULA_NAME DoubleLock-PT-p2s1-ReachabilityFireability-2024-06
FORMULA_NAME DoubleLock-PT-p2s1-ReachabilityFireability-2024-07
FORMULA_NAME DoubleLock-PT-p2s1-ReachabilityFireability-2024-08
FORMULA_NAME DoubleLock-PT-p2s1-ReachabilityFireability-2024-09
FORMULA_NAME DoubleLock-PT-p2s1-ReachabilityFireability-2024-10
FORMULA_NAME DoubleLock-PT-p2s1-ReachabilityFireability-2024-11
FORMULA_NAME DoubleLock-PT-p2s1-ReachabilityFireability-2024-12
FORMULA_NAME DoubleLock-PT-p2s1-ReachabilityFireability-2024-13
FORMULA_NAME DoubleLock-PT-p2s1-ReachabilityFireability-2024-14
FORMULA_NAME DoubleLock-PT-p2s1-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779597757304

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DoubleLock-PT-p2s1
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-24 04:42:39] [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 04:42:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 04:42:40] [INFO ] Load time of PNML (sax parser for PT used): 155 ms
[2026-05-24 04:42:40] [INFO ] Transformed 64 places.
[2026-05-24 04:42:40] [INFO ] Transformed 212 transitions.
[2026-05-24 04:42:40] [INFO ] Parsed PT model containing 64 places and 212 transitions and 860 arcs in 383 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 39 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 8 places in 3 ms
Reduce places removed 8 places and 8 transitions.
FORMULA DoubleLock-PT-p2s1-ReachabilityFireability-2024-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p2s1-ReachabilityFireability-2024-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-24 04:42:41] [INFO ] Flatten gal took : 88 ms
[2026-05-24 04:42:41] [INFO ] Flatten gal took : 43 ms
[2026-05-24 04:42:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3762280251783510382.gal : 28 ms
RANDOM walk for 40002 steps (209 resets) in 2526 ms. (15 steps per ms) remains 7/14 properties
FORMULA DoubleLock-PT-p2s1-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p2s1-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p2s1-ReachabilityFireability-2024-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p2s1-ReachabilityFireability-2024-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p2s1-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p2s1-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p2s1-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-24 04:42:41] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10050824643015743745.prop : 11 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/ReachabilityCardinality3762280251783510382.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10050824643015743745.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
Loading property file /tmp/ReachabilityCardinality10050824643015743745.prop.
SDD proceeding with computation,7 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,7 properties remain. new max is 8
SDD size :9 after 30
SDD proceeding with computation,7 properties remain. new max is 16
SDD size :30 after 64
BEST_FIRST walk for 40004 steps (11 resets) in 910 ms. (43 steps per ms) remains 7/7 properties
SDD proceeding with computation,7 properties remain. new max is 32
SDD size :64 after 6711
BEST_FIRST walk for 40002 steps (8 resets) in 501 ms. (79 steps per ms) remains 7/7 properties
SDD proceeding with computation,7 properties remain. new max is 64
SDD size :6711 after 118214
BEST_FIRST walk for 40004 steps (45 resets) in 882 ms. (45 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 250 ms. (159 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (8 resets) in 257 ms. (155 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 162 ms. (245 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 267 ms. (149 steps per ms) remains 7/7 properties
SDD proceeding with computation,7 properties remain. new max is 128
SDD size :118214 after 435049
[2026-05-24 04:42:42] [INFO ] Flow matrix only has 152 transitions (discarded 52 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14659349321707552577.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8150701432130623219.kers'
[2026-05-24 04:42:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14659349321707552577.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8150701432130623219.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 152 rows 55 cols 550 entries
Finished phase 1 with 52 SingleSign rule and 0 generalized
[2026-05-24 04:42:42] [INFO ] Computed 4 invariants in 1 ms
Computed 4 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-8150701432130623219.kers
Total runtime 2 ms.
[2026-05-24 04:42:42] [INFO ] State equation strengthened by 27 read => feed constraints.
SDD proceeding with computation,7 properties remain. new max is 256
SDD size :435049 after 1.0659e+06
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,7 properties remain. new max is 512
SDD size :1.0659e+06 after 2.32238e+06
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/51 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/51 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Problem DoubleLock-PT-p2s1-ReachabilityFireability-2024-01 is UNSAT
FORMULA DoubleLock-PT-p2s1-ReachabilityFireability-2024-01 TRUE TECHNIQUES SMT_REFINEMENT
Problem DoubleLock-PT-p2s1-ReachabilityFireability-2024-04 is UNSAT
FORMULA DoubleLock-PT-p2s1-ReachabilityFireability-2024-04 FALSE TECHNIQUES SMT_REFINEMENT
Problem DoubleLock-PT-p2s1-ReachabilityFireability-2024-05 is UNSAT
FORMULA DoubleLock-PT-p2s1-ReachabilityFireability-2024-05 TRUE TECHNIQUES SMT_REFINEMENT
Problem DoubleLock-PT-p2s1-ReachabilityFireability-2024-06 is UNSAT
FORMULA DoubleLock-PT-p2s1-ReachabilityFireability-2024-06 TRUE TECHNIQUES SMT_REFINEMENT
Problem DoubleLock-PT-p2s1-ReachabilityFireability-2024-07 is UNSAT
FORMULA DoubleLock-PT-p2s1-ReachabilityFireability-2024-07 FALSE TECHNIQUES SMT_REFINEMENT
Problem DoubleLock-PT-p2s1-ReachabilityFireability-2024-09 is UNSAT
FORMULA DoubleLock-PT-p2s1-ReachabilityFireability-2024-09 FALSE TECHNIQUES SMT_REFINEMENT
Problem DoubleLock-PT-p2s1-ReachabilityFireability-2024-15 is UNSAT
FORMULA DoubleLock-PT-p2s1-ReachabilityFireability-2024-15 TRUE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Real declared 53/208 variables, and 3 constraints, problems are : Problem set: 7 solved, 0 unsolved in 431 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/56 constraints, ReadFeed: 0/27 constraints, PredecessorRefiner: 7/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 620ms problems are : Problem set: 7 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 3090 ms.

BK_STOP 1779597762886

--------------------
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="DoubleLock-PT-p2s1"
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 DoubleLock-PT-p2s1, 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 r114-smll-177955740300031"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DoubleLock-PT-p2s1.tgz
mv DoubleLock-PT-p2s1 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 ;