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-177955695400191.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-D40N100, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695400191
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 5.1M
-rw-r--r-- 1 mcc users 8.7K Mar 6 16:04 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K Mar 6 16:04 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Mar 6 16:04 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Mar 6 16:04 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 09:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 09:08 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Mar 15 09:08 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:08 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Mar 6 16:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 155K Mar 6 16:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.7K Mar 6 16:04 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 57K Mar 6 16:04 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:08 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:08 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-D40N100-ReachabilityFireability-2024-00
FORMULA_NAME Diffusion2D-PT-D40N100-ReachabilityFireability-2024-01
FORMULA_NAME Diffusion2D-PT-D40N100-ReachabilityFireability-2024-02
FORMULA_NAME Diffusion2D-PT-D40N100-ReachabilityFireability-2024-03
FORMULA_NAME Diffusion2D-PT-D40N100-ReachabilityFireability-2024-04
FORMULA_NAME Diffusion2D-PT-D40N100-ReachabilityFireability-2024-05
FORMULA_NAME Diffusion2D-PT-D40N100-ReachabilityFireability-2024-06
FORMULA_NAME Diffusion2D-PT-D40N100-ReachabilityFireability-2024-07
FORMULA_NAME Diffusion2D-PT-D40N100-ReachabilityFireability-2024-08
FORMULA_NAME Diffusion2D-PT-D40N100-ReachabilityFireability-2024-09
FORMULA_NAME Diffusion2D-PT-D40N100-ReachabilityFireability-2024-10
FORMULA_NAME Diffusion2D-PT-D40N100-ReachabilityFireability-2024-11
FORMULA_NAME Diffusion2D-PT-D40N100-ReachabilityFireability-2024-12
FORMULA_NAME Diffusion2D-PT-D40N100-ReachabilityFireability-2024-13
FORMULA_NAME Diffusion2D-PT-D40N100-ReachabilityFireability-2024-14
FORMULA_NAME Diffusion2D-PT-D40N100-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779583890357

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-D40N100
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-24 00:51:31] [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 00:51:31] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 00:51:31] [INFO ] Load time of PNML (sax parser for PT used): 334 ms
[2026-05-24 00:51:32] [INFO ] Transformed 1600 places.
[2026-05-24 00:51:32] [INFO ] Transformed 12324 transitions.
[2026-05-24 00:51:32] [INFO ] Parsed PT model containing 1600 places and 12324 transitions and 24648 arcs in 482 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 15 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40111 steps (8 resets) in 270 ms. (148 steps per ms) remains 15/16 properties
FORMULA Diffusion2D-PT-D40N100-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 4004 steps (8 resets) in 62 ms. (63 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 33 ms. (117 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 255 ms. (15 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 38 ms. (102 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 116 ms. (34 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 53 ms. (74 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 67 ms. (58 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 15/15 properties
[2026-05-24 00:51:33] [INFO ] Flatten gal took : 577 ms
[2026-05-24 00:51:33] [INFO ] Flatten gal took : 187 ms
[2026-05-24 00:51:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13335987802558838613.gal : 145 ms
[2026-05-24 00:51:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3570365148763522886.prop : 4 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/ReachabilityCardinality13335987802558838613.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3570365148763522886.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/ReachabilityCardinality3570365148763522886.prop.
Interrupted probabilistic random walk after 139049 steps, run timeout after 3001 ms. (steps per millisecond=46 ) properties seen :3 out of 15
Probabilistic random walk after 139049 steps, saw 113919 distinct states, run finished after 3006 ms. (steps per millisecond=46 ) properties seen :3
FORMULA Diffusion2D-PT-D40N100-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA Diffusion2D-PT-D40N100-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA Diffusion2D-PT-D40N100-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14961412824151357044.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12395477057042036261.kers'
[2026-05-24 00:51:35] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14961412824151357044.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12395477057042036261.kers]
Culled 0 columns in 3 ms.
// Phase 1: matrix 12324 rows 1600 cols 24648 entries
Finished phase 1 with 1599 SingleSign rule and 0 generalized
[2026-05-24 00:51:35] [INFO ] Computed 1 invariants in 48 ms
Computed 1 P flows in 49 ms.
Exported basis to /tmp/petrispot-output-12395477057042036261.kers
Total runtime 56 ms.
Excessive predecessor constraint size, skipping predecessor.
At refinement iteration 0 (INCLUDED_ONLY) 0/135 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 1465/1600 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1600 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 3 (OVERLAPS) 12324/13924 variables, 1600/1601 constraints. Problems are: Problem set: 0 solved, 12 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, 12 unsolved in 5053 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 1600/1600 constraints, PredecessorRefiner: 12/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/135 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 1465/1600 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1600 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 12324/13924 variables, 1600/1601 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13924 variables, 8/1609 constraints. Problems are: Problem set: 0 solved, 12 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 13924/13924 variables, and 1609 constraints, problems are : Problem set: 0 solved, 12 unsolved in 5026 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 1600/1600 constraints, PredecessorRefiner: 12/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10360ms problems are : Problem set: 0 solved, 12 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 135 out of 1600 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1600/1600 places, 12324/12324 transitions.
Graph (trivial) has 10322 edges and 1600 vertex of which 1465 / 1600 are part of one of the 1 SCC in 22 ms
Free SCC test removed 1464 places
Drop transitions (Empty/Sink Transition effects.) removed 10322 transitions
Ensure Unique test removed 1622 transitions
Reduce isomorphic transitions removed 11944 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 127 transitions
Redundant transition composition rules discarded 127 transitions
Iterating global reduction 0 with 127 rules applied. Total rules applied 128 place count 136 transition count 253
Applied a total of 128 rules in 132 ms. Remains 136 /1600 variables (removed 1464) and now considering 253/12324 (removed 12071) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 155 ms. Remains : 136/1600 places, 253/12324 transitions.
RANDOM walk for 40010 steps (8 resets) in 56 ms. (701 steps per ms) remains 7/12 properties
FORMULA Diffusion2D-PT-D40N100-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N100-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N100-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N100-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N100-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 85 ms. (465 steps per ms) remains 4/7 properties
FORMULA Diffusion2D-PT-D40N100-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N100-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N100-ReachabilityFireability-2024-00 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 344 ms. (115 steps per ms) remains 2/4 properties
FORMULA Diffusion2D-PT-D40N100-ReachabilityFireability-2024-12 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N100-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 37919 steps (8 resets) in 206 ms. (183 steps per ms) remains 0/2 properties
FORMULA Diffusion2D-PT-D40N100-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D40N100-ReachabilityFireability-2024-10 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 14930 ms.

BK_STOP 1779583906562

--------------------
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-D40N100"
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-D40N100, 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-177955695400191"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D40N100.tgz
mv Diffusion2D-PT-D40N100 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 ;