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-177955695400143.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-D30N010, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695400143
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.4M
-rw-r--r-- 1 mcc users 7.5K Mar 6 16:08 CTLCardinality.txt
-rw-r--r-- 1 mcc users 68K Mar 6 16:08 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Mar 6 16:08 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 6 16:08 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 4.6K Mar 15 09:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 09:06 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 15 09:06 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 09:06 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.3K Mar 6 16:08 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 75K Mar 6 16:08 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 6 16:08 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K Mar 6 16:08 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:06 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:06 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 3.0M 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-D30N010-ReachabilityFireability-2024-00
FORMULA_NAME Diffusion2D-PT-D30N010-ReachabilityFireability-2024-01
FORMULA_NAME Diffusion2D-PT-D30N010-ReachabilityFireability-2024-02
FORMULA_NAME Diffusion2D-PT-D30N010-ReachabilityFireability-2024-03
FORMULA_NAME Diffusion2D-PT-D30N010-ReachabilityFireability-2024-04
FORMULA_NAME Diffusion2D-PT-D30N010-ReachabilityFireability-2024-05
FORMULA_NAME Diffusion2D-PT-D30N010-ReachabilityFireability-2024-06
FORMULA_NAME Diffusion2D-PT-D30N010-ReachabilityFireability-2024-07
FORMULA_NAME Diffusion2D-PT-D30N010-ReachabilityFireability-2024-08
FORMULA_NAME Diffusion2D-PT-D30N010-ReachabilityFireability-2024-09
FORMULA_NAME Diffusion2D-PT-D30N010-ReachabilityFireability-2024-10
FORMULA_NAME Diffusion2D-PT-D30N010-ReachabilityFireability-2024-11
FORMULA_NAME Diffusion2D-PT-D30N010-ReachabilityFireability-2024-12
FORMULA_NAME Diffusion2D-PT-D30N010-ReachabilityFireability-2024-13
FORMULA_NAME Diffusion2D-PT-D30N010-ReachabilityFireability-2024-14
FORMULA_NAME Diffusion2D-PT-D30N010-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779575448096

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-D30N010
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-23 22:30:49] [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]
[2026-05-23 22:30:49] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 22:30:49] [INFO ] Load time of PNML (sax parser for PT used): 298 ms
[2026-05-23 22:30:49] [INFO ] Transformed 900 places.
[2026-05-23 22:30:49] [INFO ] Transformed 6844 transitions.
[2026-05-23 22:30:49] [INFO ] Parsed PT model containing 900 places and 6844 transitions and 13688 arcs in 416 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 18 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40001 steps (8 resets) in 991 ms. (40 steps per ms) remains 6/16 properties
FORMULA Diffusion2D-PT-D30N010-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D30N010-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D30N010-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D30N010-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D30N010-ReachabilityFireability-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D30N010-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D30N010-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D30N010-ReachabilityFireability-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D30N010-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D30N010-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 715 ms. (55 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 286 ms. (139 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 793 ms. (50 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 91 ms. (434 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 161 ms. (246 steps per ms) remains 6/6 properties
[2026-05-23 22:30:50] [INFO ] Flatten gal took : 451 ms
BEST_FIRST walk for 40004 steps (8 resets) in 152 ms. (261 steps per ms) remains 6/6 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8089984865810183248.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3282904560775623512.kers'
[2026-05-23 22:30:50] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8089984865810183248.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3282904560775623512.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 6844 rows 900 cols 13688 entries
[2026-05-23 22:30:50] [INFO ] Flatten gal took : 183 ms
Finished phase 1 with 899 SingleSign rule and 0 generalized
[2026-05-23 22:30:50] [INFO ] Computed 1 invariants in 35 ms
Computed 1 P flows in 39 ms.
Exported basis to /tmp/petrispot-output-3282904560775623512.kers
Total runtime 47 ms.
[2026-05-23 22:30:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3374463847741391017.gal : 98 ms
[2026-05-23 22:30:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17320802901318255937.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/ReachabilityCardinality3374463847741391017.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17320802901318255937.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
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/126 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Loading property file /tmp/ReachabilityCardinality17320802901318255937.prop.
At refinement iteration 1 (OVERLAPS) 774/900 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/900 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 6844/7744 variables, 900/901 constraints. Problems are: Problem set: 0 solved, 6 unsolved
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 17
SDD proceeding with computation,6 properties remain. new max is 8
SDD size :17 after 32
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :32 after 52
SDD proceeding with computation,6 properties remain. new max is 32
SDD size :52 after 66
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :66 after 96
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :96 after 140
Reachability property Diffusion2D-PT-D30N010-ReachabilityFireability-2024-06 is true.
FORMULA Diffusion2D-PT-D30N010-ReachabilityFireability-2024-06 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,5 properties remain. new max is 128
SDD size :140 after 257
SDD proceeding with computation,5 properties remain. new max is 256
SDD size :257 after 374
SDD proceeding with computation,5 properties remain. new max is 512
SDD size :374 after 15455
SDD proceeding with computation,5 properties remain. new max is 1024
SDD size :15455 after 61486
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 7744/7744 variables, and 901 constraints, problems are : Problem set: 1 solved, 5 unsolved in 5031 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 900/900 constraints, PredecessorRefiner: 6/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 775/900 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/900 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 6844/7744 variables, 900/901 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7744 variables, 0/901 constraints. Problems are: Problem set: 1 solved, 5 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 7744/7744 variables, and 901 constraints, problems are : Problem set: 1 solved, 5 unsolved in 5024 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 900/900 constraints, PredecessorRefiner: 5/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10393ms problems are : Problem set: 1 solved, 5 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 125 out of 900 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 900/900 places, 6844/6844 transitions.
Graph (trivial) has 5052 edges and 900 vertex of which 775 / 900 are part of one of the 1 SCC in 11 ms
Free SCC test removed 774 places
Drop transitions (Empty/Sink Transition effects.) removed 5052 transitions
Ensure Unique test removed 1418 transitions
Reduce isomorphic transitions removed 6470 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 149 transitions
Redundant transition composition rules discarded 149 transitions
Iterating global reduction 0 with 149 rules applied. Total rules applied 150 place count 126 transition count 225
Applied a total of 150 rules in 66 ms. Remains 126 /900 variables (removed 774) and now considering 225/6844 (removed 6619) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 73 ms. Remains : 126/900 places, 225/6844 transitions.
RANDOM walk for 40002 steps (8 resets) in 229 ms. (173 steps per ms) remains 4/5 properties
FORMULA Diffusion2D-PT-D30N010-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 238 ms. (167 steps per ms) remains 1/4 properties
FORMULA Diffusion2D-PT-D30N010-ReachabilityFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D30N010-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D30N010-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 4497 steps (0 resets) in 18 ms. (236 steps per ms) remains 0/1 properties
FORMULA Diffusion2D-PT-D30N010-ReachabilityFireability-2024-04 FALSE 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 12159 ms.

BK_STOP 1779575461456

--------------------
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-D30N010"
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-D30N010, 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-177955695400143"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D30N010.tgz
mv Diffusion2D-PT-D30N010 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 ;