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-177955695400175.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 Diffusion2D-PT-D40N010, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695400175
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 5.0M
-rw-r--r-- 1 mcc users 8.4K Mar 6 16:09 CTLCardinality.txt
-rw-r--r-- 1 mcc users 78K Mar 6 16:09 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Mar 6 16:09 CTLFireability.txt
-rw-r--r-- 1 mcc users 35K Mar 6 16:09 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.8K Mar 15 09:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 31K Mar 15 09:07 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Mar 15 09:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 09:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.3K Mar 6 16:09 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 55K Mar 6 16:09 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K Mar 6 16:09 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 69K Mar 6 16:09 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:07 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:07 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 4.7M 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 Diffusion2D-PT-D40N010-ReachabilityFireability-2024-00
FORMULA_NAME Diffusion2D-PT-D40N010-ReachabilityFireability-2024-01
FORMULA_NAME Diffusion2D-PT-D40N010-ReachabilityFireability-2024-02
FORMULA_NAME Diffusion2D-PT-D40N010-ReachabilityFireability-2024-03
FORMULA_NAME Diffusion2D-PT-D40N010-ReachabilityFireability-2024-04
FORMULA_NAME Diffusion2D-PT-D40N010-ReachabilityFireability-2024-05
FORMULA_NAME Diffusion2D-PT-D40N010-ReachabilityFireability-2024-06
FORMULA_NAME Diffusion2D-PT-D40N010-ReachabilityFireability-2024-07
FORMULA_NAME Diffusion2D-PT-D40N010-ReachabilityFireability-2024-08
FORMULA_NAME Diffusion2D-PT-D40N010-ReachabilityFireability-2024-09
FORMULA_NAME Diffusion2D-PT-D40N010-ReachabilityFireability-2024-10
FORMULA_NAME Diffusion2D-PT-D40N010-ReachabilityFireability-2024-11
FORMULA_NAME Diffusion2D-PT-D40N010-ReachabilityFireability-2024-12
FORMULA_NAME Diffusion2D-PT-D40N010-ReachabilityFireability-2024-13
FORMULA_NAME Diffusion2D-PT-D40N010-ReachabilityFireability-2024-14
FORMULA_NAME Diffusion2D-PT-D40N010-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779582108113

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Diffusion2D-PT-D40N010
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-24 00:21:49] [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 00:21:49] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 00:21:49] [INFO ] Load time of PNML (sax parser for PT used): 336 ms
[2026-05-24 00:21:49] [INFO ] Transformed 1600 places.
[2026-05-24 00:21:49] [INFO ] Transformed 12324 transitions.
[2026-05-24 00:21:49] [INFO ] Parsed PT model containing 1600 places and 12324 transitions and 24648 arcs in 496 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 16 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40005 steps (8 resets) in 1280 ms. (31 steps per ms) remains 8/16 properties
FORMULA Diffusion2D-PT-D40N010-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N010-ReachabilityFireability-2024-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N010-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N010-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N010-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N010-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N010-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N010-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 512 ms. (77 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 490 ms. (81 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 123 ms. (322 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 92 ms. (430 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 84 ms. (470 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 96 ms. (412 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 152 ms. (261 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 63 ms. (625 steps per ms) remains 8/8 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-785213037793320423.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7188454094967171373.kers'
[2026-05-24 00:21:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-785213037793320423.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7188454094967171373.kers]
Culled 0 columns in 7 ms.
// Phase 1: matrix 12324 rows 1600 cols 24648 entries
Finished phase 1 with 1599 SingleSign rule and 0 generalized
[2026-05-24 00:21:51] [INFO ] Computed 1 invariants in 69 ms
Computed 1 P flows in 74 ms.
Exported basis to /tmp/petrispot-output-7188454094967171373.kers
Total runtime 84 ms.
[2026-05-24 00:21:51] [INFO ] Flatten gal took : 713 ms
Excessive predecessor constraint size, skipping predecessor.
[2026-05-24 00:21:51] [INFO ] Flatten gal took : 284 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/134 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
[2026-05-24 00:21:51] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13897849222205750259.gal : 204 ms
[2026-05-24 00:21:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13256915767188888147.prop : 2 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/ReachabilityCardinality13897849222205750259.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13256915767188888147.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
At refinement iteration 1 (OVERLAPS) 1466/1600 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Loading property file /tmp/ReachabilityCardinality13256915767188888147.prop.
At refinement iteration 2 (INCLUDED_ONLY) 0/1600 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 12324/13924 variables, 1600/1601 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 13924/13924 variables, and 1601 constraints, problems are : Problem set: 0 solved, 8 unsolved in 5087 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 1600/1600 constraints, PredecessorRefiner: 8/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/134 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 1466/1600 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1600 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 12324/13924 variables, 1600/1601 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 13924/13924 variables, and 1605 constraints, problems are : Problem set: 0 solved, 8 unsolved in 5024 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 1600/1600 constraints, PredecessorRefiner: 8/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10446ms problems are : Problem set: 0 solved, 8 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 134 out of 1600 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1600/1600 places, 12324/12324 transitions.
Graph (trivial) has 10304 edges and 1600 vertex of which 1466 / 1600 are part of one of the 1 SCC in 32 ms
Free SCC test removed 1465 places
Drop transitions (Empty/Sink Transition effects.) removed 10304 transitions
Ensure Unique test removed 1652 transitions
Reduce isomorphic transitions removed 11956 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 123 transitions
Redundant transition composition rules discarded 123 transitions
Iterating global reduction 0 with 123 rules applied. Total rules applied 124 place count 135 transition count 245
Applied a total of 124 rules in 127 ms. Remains 135 /1600 variables (removed 1465) and now considering 245/12324 (removed 12079) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 139 ms. Remains : 135/1600 places, 245/12324 transitions.
RANDOM walk for 40020 steps (8 resets) in 344 ms. (116 steps per ms) remains 3/8 properties
FORMULA Diffusion2D-PT-D40N010-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N010-ReachabilityFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N010-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N010-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N010-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 165 ms. (240 steps per ms) remains 2/3 properties
FORMULA Diffusion2D-PT-D40N010-ReachabilityFireability-2024-01 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 59 ms. (666 steps per ms) remains 1/2 properties
FORMULA Diffusion2D-PT-D40N010-ReachabilityFireability-2024-11 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 24934 steps (5 resets) in 51 ms. (479 steps per ms) remains 0/1 properties
FORMULA Diffusion2D-PT-D40N010-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
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 12482 ms.

BK_STOP 1779582121835

--------------------
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="Diffusion2D-PT-D40N010"
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 Diffusion2D-PT-D40N010, 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 r098-tall-177955695400175"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D40N010.tgz
mv Diffusion2D-PT-D40N010 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 ;