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-177955695500287.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 DiscoveryGPU-PT-09a, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695500287
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 524K
-rw-r--r-- 1 mcc users 6.9K Mar 6 16:34 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Mar 6 16:34 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K Mar 6 16:31 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Mar 6 16:31 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 3.7K Mar 15 09:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 09:12 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 09:12 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:12 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 6 16:34 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 155K Mar 6 16:34 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Mar 6 16:34 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 80K Mar 6 16:34 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:12 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:12 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 32K 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-09a-ReachabilityFireability-2024-00
FORMULA_NAME DiscoveryGPU-PT-09a-ReachabilityFireability-2024-01
FORMULA_NAME DiscoveryGPU-PT-09a-ReachabilityFireability-2024-02
FORMULA_NAME DiscoveryGPU-PT-09a-ReachabilityFireability-2024-03
FORMULA_NAME DiscoveryGPU-PT-09a-ReachabilityFireability-2024-04
FORMULA_NAME DiscoveryGPU-PT-09a-ReachabilityFireability-2024-05
FORMULA_NAME DiscoveryGPU-PT-09a-ReachabilityFireability-2024-06
FORMULA_NAME DiscoveryGPU-PT-09a-ReachabilityFireability-2024-07
FORMULA_NAME DiscoveryGPU-PT-09a-ReachabilityFireability-2024-08
FORMULA_NAME DiscoveryGPU-PT-09a-ReachabilityFireability-2024-09
FORMULA_NAME DiscoveryGPU-PT-09a-ReachabilityFireability-2024-10
FORMULA_NAME DiscoveryGPU-PT-09a-ReachabilityFireability-2024-11
FORMULA_NAME DiscoveryGPU-PT-09a-ReachabilityFireability-2024-12
FORMULA_NAME DiscoveryGPU-PT-09a-ReachabilityFireability-2024-13
FORMULA_NAME DiscoveryGPU-PT-09a-ReachabilityFireability-2024-14
FORMULA_NAME DiscoveryGPU-PT-09a-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779597950831

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-09a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-24 04:45:52] [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 04:45:52] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 04:45:52] [INFO ] Load time of PNML (sax parser for PT used): 55 ms
[2026-05-24 04:45:52] [INFO ] Transformed 93 places.
[2026-05-24 04:45:52] [INFO ] Transformed 127 transitions.
[2026-05-24 04:45:52] [INFO ] Found NUPN structural information;
[2026-05-24 04:45:52] [INFO ] Parsed PT model containing 93 places and 127 transitions and 408 arcs in 142 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 16 ms.
Working with output stream class java.io.PrintStream
[2026-05-24 04:45:52] [INFO ] Flatten gal took : 38 ms
[2026-05-24 04:45:52] [INFO ] Flatten gal took : 35 ms
[2026-05-24 04:45:52] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5052065088118877870.gal : 20 ms
[2026-05-24 04:45:52] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17617985985689410497.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/ReachabilityCardinality5052065088118877870.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17617985985689410497.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40000 steps (414 resets) in 1515 ms. (26 steps per ms) remains 4/16 properties
FORMULA DiscoveryGPU-PT-09a-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-09a-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-09a-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-09a-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-09a-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-09a-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-09a-ReachabilityFireability-2024-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-09a-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-09a-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-09a-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-09a-ReachabilityFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-09a-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK

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/ReachabilityCardinality17617985985689410497.prop.
SDD proceeding with computation,16 properties remain. new max is 4
SDD size :1 after 26
SDD proceeding with computation,16 properties remain. new max is 8
SDD size :26 after 78
SDD proceeding with computation,16 properties remain. new max is 16
SDD size :78 after 80
SDD proceeding with computation,16 properties remain. new max is 32
SDD size :80 after 463
Invariant property DiscoveryGPU-PT-09a-ReachabilityFireability-2024-14 does not hold.
Reachability property DiscoveryGPU-PT-09a-ReachabilityFireability-2024-00 is true.
SDD proceeding with computation,14 properties remain. new max is 32
SDD size :463 after 471
Reachability property DiscoveryGPU-PT-09a-ReachabilityFireability-2024-12 is true.
SDD proceeding with computation,13 properties remain. new max is 32
SDD size :471 after 955
SDD proceeding with computation,13 properties remain. new max is 64
SDD size :955 after 1769
SDD proceeding with computation,13 properties remain. new max is 128
SDD size :1769 after 3094
BEST_FIRST walk for 40004 steps (43 resets) in 545 ms. (73 steps per ms) remains 4/4 properties
SDD proceeding with computation,13 properties remain. new max is 256
SDD size :3094 after 7543
BEST_FIRST walk for 40004 steps (48 resets) in 162 ms. (245 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (8 resets) in 159 ms. (250 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 413 ms. (96 steps per ms) remains 4/4 properties
[2026-05-24 04:45:53] [INFO ] Flow matrix only has 118 transitions (discarded 9 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1273971697034291725.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7985567924119585693.kers'
[2026-05-24 04:45:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1273971697034291725.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7985567924119585693.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 118 rows 91 cols 226 entries
Finished phase 1 with 91 SingleSign rule and 0 generalized
[2026-05-24 04:45:53] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-7985567924119585693.kers
Total runtime 1 ms.
[2026-05-24 04:45:53] [INFO ] State equation strengthened by 72 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/56 variables, 56/56 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/56 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 99/155 variables, 56/114 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/155 variables, 61/175 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/155 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem DiscoveryGPU-PT-09a-ReachabilityFireability-2024-02 is UNSAT
FORMULA DiscoveryGPU-PT-09a-ReachabilityFireability-2024-02 FALSE TECHNIQUES SMT_REFINEMENT
Problem DiscoveryGPU-PT-09a-ReachabilityFireability-2024-11 is UNSAT
FORMULA DiscoveryGPU-PT-09a-ReachabilityFireability-2024-11 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 6 (OVERLAPS) 44/199 variables, 31/206 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/199 variables, 31/237 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/199 variables, 10/247 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/199 variables, 0/247 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 10/209 variables, 5/252 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/209 variables, 5/257 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/209 variables, 1/258 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/209 variables, 0/258 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 2/211 variables, 1/259 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/211 variables, 1/260 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/211 variables, 0/260 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 0/211 variables, 0/260 constraints. Problems are: Problem set: 2 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 211/211 variables, and 260 constraints, problems are : Problem set: 2 solved, 2 unsolved in 367 ms.
Refiners :[Domain max(s): 93/93 constraints, Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 93/93 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 4/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 36/36 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/36 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 1/37 variables, 2/38 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 1/39 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/37 variables, 0/39 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 77/114 variables, 37/76 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/114 variables, 49/125 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/114 variables, 0/125 constraints. Problems are: Problem set: 2 solved, 2 unsolved
Problem DiscoveryGPU-PT-09a-ReachabilityFireability-2024-01 is UNSAT
FORMULA DiscoveryGPU-PT-09a-ReachabilityFireability-2024-01 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 8 (OVERLAPS) 66/180 variables, 41/166 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/180 variables, 41/207 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/180 variables, 17/224 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/180 variables, 1/225 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/180 variables, 0/225 constraints. Problems are: Problem set: 3 solved, 1 unsolved
Problem DiscoveryGPU-PT-09a-ReachabilityFireability-2024-03 is UNSAT
FORMULA DiscoveryGPU-PT-09a-ReachabilityFireability-2024-03 TRUE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Int declared 198/211 variables, and 234 constraints, problems are : Problem set: 4 solved, 0 unsolved in 129 ms.
Refiners :[Domain max(s): 78/93 constraints, Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 87/93 constraints, ReadFeed: 66/72 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 580ms 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 1741 ms.

BK_STOP 1779597953794

--------------------
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-09a"
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-09a, 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-177955695500287"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DiscoveryGPU-PT-09a.tgz
mv DiscoveryGPU-PT-09a 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 ;