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-177955740300007.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-p1s1, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r114-smll-177955740300007
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 564K
-rw-r--r-- 1 mcc users 7.0K Mar 6 18:10 CTLCardinality.txt
-rw-r--r-- 1 mcc users 78K Mar 6 18:10 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.5K Mar 6 18:10 CTLFireability.txt
-rw-r--r-- 1 mcc users 37K Mar 6 18:10 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:38 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 09:38 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 09:38 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:38 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 6 18:10 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 120K Mar 6 18:10 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 6 18:10 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 106K Mar 6 18:10 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:38 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:38 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 93K 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-p1s1-ReachabilityFireability-2024-00
FORMULA_NAME DoubleLock-PT-p1s1-ReachabilityFireability-2024-01
FORMULA_NAME DoubleLock-PT-p1s1-ReachabilityFireability-2024-02
FORMULA_NAME DoubleLock-PT-p1s1-ReachabilityFireability-2024-03
FORMULA_NAME DoubleLock-PT-p1s1-ReachabilityFireability-2024-04
FORMULA_NAME DoubleLock-PT-p1s1-ReachabilityFireability-2024-05
FORMULA_NAME DoubleLock-PT-p1s1-ReachabilityFireability-2024-06
FORMULA_NAME DoubleLock-PT-p1s1-ReachabilityFireability-2024-07
FORMULA_NAME DoubleLock-PT-p1s1-ReachabilityFireability-2024-08
FORMULA_NAME DoubleLock-PT-p1s1-ReachabilityFireability-2024-09
FORMULA_NAME DoubleLock-PT-p1s1-ReachabilityFireability-2024-10
FORMULA_NAME DoubleLock-PT-p1s1-ReachabilityFireability-2024-11
FORMULA_NAME DoubleLock-PT-p1s1-ReachabilityFireability-2024-12
FORMULA_NAME DoubleLock-PT-p1s1-ReachabilityFireability-2024-13
FORMULA_NAME DoubleLock-PT-p1s1-ReachabilityFireability-2024-14
FORMULA_NAME DoubleLock-PT-p1s1-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779565194149

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-p1s1
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-23 19:39:56] [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]
[2026-05-23 19:39:56] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 19:39:57] [INFO ] Load time of PNML (sax parser for PT used): 198 ms
[2026-05-23 19:39:57] [INFO ] Transformed 64 places.
[2026-05-23 19:39:57] [INFO ] Transformed 204 transitions.
[2026-05-23 19:39:57] [INFO ] Parsed PT model containing 64 places and 204 transitions and 828 arcs in 419 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 38 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-p1s1-ReachabilityFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40018 steps (296 resets) in 2696 ms. (14 steps per ms) remains 8/15 properties
FORMULA DoubleLock-PT-p1s1-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p1s1-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p1s1-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p1s1-ReachabilityFireability-2024-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p1s1-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p1s1-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p1s1-ReachabilityFireability-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-23 19:39:58] [INFO ] Flatten gal took : 131 ms
[2026-05-23 19:39:58] [INFO ] Flatten gal took : 45 ms
[2026-05-23 19:39:58] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13242359771727978814.gal : 24 ms
[2026-05-23 19:39:58] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16551425148990802870.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/ReachabilityCardinality13242359771727978814.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16551425148990802870.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
Loading property file /tmp/ReachabilityCardinality16551425148990802870.prop.
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :12 after 83
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :83 after 914
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :914 after 15078
BEST_FIRST walk for 40004 steps (13 resets) in 1862 ms. (21 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40001 steps (11 resets) in 1219 ms. (32 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (53 resets) in 245 ms. (162 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (60 resets) in 222 ms. (179 steps per ms) remains 8/8 properties
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :15078 after 134969
BEST_FIRST walk for 40002 steps (51 resets) in 160 ms. (248 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (52 resets) in 314 ms. (126 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (59 resets) in 156 ms. (254 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (19 resets) in 190 ms. (209 steps per ms) remains 8/8 properties
[2026-05-23 19:39:59] [INFO ] Flow matrix only has 148 transitions (discarded 48 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4667193281297700140.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4448407616278915167.kers'
[2026-05-23 19:39:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4667193281297700140.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4448407616278915167.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 148 rows 55 cols 534 entries
Finished phase 1 with 52 SingleSign rule and 0 generalized
[2026-05-23 19:39:59] [INFO ] Computed 4 invariants in 1 ms
Computed 4 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-4448407616278915167.kers
Total runtime 3 ms.
[2026-05-23 19:39:59] [INFO ] State equation strengthened by 23 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :134969 after 452021
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :452021 after 1.0828e+06
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Problem DoubleLock-PT-p1s1-ReachabilityFireability-2024-00 is UNSAT
FORMULA DoubleLock-PT-p1s1-ReachabilityFireability-2024-00 FALSE TECHNIQUES SMT_REFINEMENT
Problem DoubleLock-PT-p1s1-ReachabilityFireability-2024-01 is UNSAT
FORMULA DoubleLock-PT-p1s1-ReachabilityFireability-2024-01 TRUE TECHNIQUES SMT_REFINEMENT
Problem DoubleLock-PT-p1s1-ReachabilityFireability-2024-04 is UNSAT
FORMULA DoubleLock-PT-p1s1-ReachabilityFireability-2024-04 FALSE TECHNIQUES SMT_REFINEMENT
Problem DoubleLock-PT-p1s1-ReachabilityFireability-2024-05 is UNSAT
FORMULA DoubleLock-PT-p1s1-ReachabilityFireability-2024-05 FALSE TECHNIQUES SMT_REFINEMENT
Problem DoubleLock-PT-p1s1-ReachabilityFireability-2024-06 is UNSAT
FORMULA DoubleLock-PT-p1s1-ReachabilityFireability-2024-06 FALSE TECHNIQUES SMT_REFINEMENT
Problem DoubleLock-PT-p1s1-ReachabilityFireability-2024-11 is UNSAT
FORMULA DoubleLock-PT-p1s1-ReachabilityFireability-2024-11 FALSE TECHNIQUES SMT_REFINEMENT
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :1.0828e+06 after 2.33937e+06
Problem DoubleLock-PT-p1s1-ReachabilityFireability-2024-12 is UNSAT
FORMULA DoubleLock-PT-p1s1-ReachabilityFireability-2024-12 FALSE TECHNIQUES SMT_REFINEMENT
Problem DoubleLock-PT-p1s1-ReachabilityFireability-2024-13 is UNSAT
FORMULA DoubleLock-PT-p1s1-ReachabilityFireability-2024-13 FALSE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Real declared 53/204 variables, and 3 constraints, problems are : Problem set: 8 solved, 0 unsolved in 490 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/56 constraints, ReadFeed: 0/23 constraints, PredecessorRefiner: 8/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 765ms problems are : Problem set: 8 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 3707 ms.

BK_STOP 1779565200399

--------------------
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-p1s1"
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-p1s1, 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-177955740300007"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DoubleLock-PT-p1s1.tgz
mv DoubleLock-PT-p1s1 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 ;