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-177955695400263.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 DiscoveryGPU-PT-07b, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695400263
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 460K
-rw-r--r-- 1 mcc users 6.5K Mar 6 16:28 CTLCardinality.txt
-rw-r--r-- 1 mcc users 68K Mar 6 16:28 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Mar 6 16:28 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Mar 6 16:28 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K Mar 17 09:01 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 17 09:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 17 09:01 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 17 09:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.1K Mar 6 16:28 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 93K Mar 6 16:28 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.2K Mar 6 16:28 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 58K Mar 6 16:28 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 17 09:01 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 17 09:01 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 54K 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 DiscoveryGPU-PT-07b-ReachabilityFireability-2024-00
FORMULA_NAME DiscoveryGPU-PT-07b-ReachabilityFireability-2024-01
FORMULA_NAME DiscoveryGPU-PT-07b-ReachabilityFireability-2024-02
FORMULA_NAME DiscoveryGPU-PT-07b-ReachabilityFireability-2024-03
FORMULA_NAME DiscoveryGPU-PT-07b-ReachabilityFireability-2024-04
FORMULA_NAME DiscoveryGPU-PT-07b-ReachabilityFireability-2024-05
FORMULA_NAME DiscoveryGPU-PT-07b-ReachabilityFireability-2024-06
FORMULA_NAME DiscoveryGPU-PT-07b-ReachabilityFireability-2024-07
FORMULA_NAME DiscoveryGPU-PT-07b-ReachabilityFireability-2024-08
FORMULA_NAME DiscoveryGPU-PT-07b-ReachabilityFireability-2024-09
FORMULA_NAME DiscoveryGPU-PT-07b-ReachabilityFireability-2024-10
FORMULA_NAME DiscoveryGPU-PT-07b-ReachabilityFireability-2024-11
FORMULA_NAME DiscoveryGPU-PT-07b-ReachabilityFireability-2024-12
FORMULA_NAME DiscoveryGPU-PT-07b-ReachabilityFireability-2024-13
FORMULA_NAME DiscoveryGPU-PT-07b-ReachabilityFireability-2024-14
FORMULA_NAME DiscoveryGPU-PT-07b-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779595454113

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DiscoveryGPU-PT-07b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-24 04:04:15] [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 04:04:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 04:04:15] [INFO ] Load time of PNML (sax parser for PT used): 66 ms
[2026-05-24 04:04:15] [INFO ] Transformed 212 places.
[2026-05-24 04:04:15] [INFO ] Transformed 224 transitions.
[2026-05-24 04:04:15] [INFO ] Found NUPN structural information;
[2026-05-24 04:04:15] [INFO ] Parsed PT model containing 212 places and 224 transitions and 582 arcs in 153 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
[2026-05-24 04:04:15] [INFO ] Flatten gal took : 63 ms
RANDOM walk for 40000 steps (173 resets) in 1383 ms. (28 steps per ms) remains 4/16 properties
FORMULA DiscoveryGPU-PT-07b-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-07b-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-07b-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-07b-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-07b-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-07b-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-07b-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-07b-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-07b-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-07b-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-07b-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-07b-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-24 04:04:15] [INFO ] Flatten gal took : 27 ms
[2026-05-24 04:04:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8591771883480203605.gal : 18 ms
[2026-05-24 04:04:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12073552229534946052.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/ReachabilityCardinality8591771883480203605.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12073552229534946052.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/ReachabilityCardinality12073552229534946052.prop.
BEST_FIRST walk for 40003 steps (13 resets) in 547 ms. (72 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :5 after 8
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :8 after 16
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :16 after 50
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :50 after 192
BEST_FIRST walk for 40003 steps (36 resets) in 297 ms. (134 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :192 after 2518
BEST_FIRST walk for 40004 steps (32 resets) in 110 ms. (360 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (30 resets) in 128 ms. (310 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :2518 after 4734
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :4734 after 4926
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :4926 after 5353
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11143907243242141405.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5945792741767930101.kers'
[2026-05-24 04:04:16] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11143907243242141405.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5945792741767930101.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 224 rows 212 cols 582 entries
Finished phase 1 with 203 SingleSign rule and 0 generalized
[2026-05-24 04:04:16] [INFO ] Computed 9 invariants in 0 ms
Computed 9 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-5945792741767930101.kers
Total runtime 1 ms.
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :5353 after 19992
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 63/63 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :19992 after 46655
Problem DiscoveryGPU-PT-07b-ReachabilityFireability-2024-10 is UNSAT
FORMULA DiscoveryGPU-PT-07b-ReachabilityFireability-2024-10 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 149/212 variables, 9/72 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/212 variables, 149/221 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 0/221 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 224/436 variables, 212/433 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/436 variables, 0/433 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/436 variables, 0/433 constraints. Problems are: Problem set: 1 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 436/436 variables, and 433 constraints, problems are : Problem set: 1 solved, 3 unsolved in 428 ms.
Refiners :[Domain max(s): 212/212 constraints, Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 212/212 constraints, PredecessorRefiner: 4/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :46655 after 234968
At refinement iteration 0 (INCLUDED_ONLY) 0/56 variables, 56/56 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/56 variables, 0/56 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Problem DiscoveryGPU-PT-07b-ReachabilityFireability-2024-09 is UNSAT
FORMULA DiscoveryGPU-PT-07b-ReachabilityFireability-2024-09 TRUE TECHNIQUES SMT_REFINEMENT
Problem DiscoveryGPU-PT-07b-ReachabilityFireability-2024-13 is UNSAT
FORMULA DiscoveryGPU-PT-07b-ReachabilityFireability-2024-13 TRUE TECHNIQUES SMT_REFINEMENT
Problem DiscoveryGPU-PT-07b-ReachabilityFireability-2024-14 is UNSAT
FORMULA DiscoveryGPU-PT-07b-ReachabilityFireability-2024-14 TRUE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Int declared 212/436 variables, and 65 constraints, problems are : Problem set: 4 solved, 0 unsolved in 89 ms.
Refiners :[Domain max(s): 56/212 constraints, Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 0/212 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 603ms problems are : Problem set: 4 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 1645 ms.

BK_STOP 1779595456927

--------------------
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="DiscoveryGPU-PT-07b"
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 DiscoveryGPU-PT-07b, 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-177955695400263"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DiscoveryGPU-PT-07b.tgz
mv DiscoveryGPU-PT-07b 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 ;