Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r002-oct2-177944365900119.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 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 AirplaneLD-PT-0500, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944365900119
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 9.3M
-rw-r--r-- 1 mcc users 312K Mar 4 16:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 1023K Mar 4 16:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 229K Mar 4 16:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 1.4M Mar 4 16:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 16K Mar 17 08:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 56K Mar 17 08:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 117K Mar 17 08:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 507K Mar 17 08:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 611K Mar 4 16:49 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 2.0M Mar 4 16:49 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 125K Mar 4 16:49 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 687K Mar 4 16:49 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 56K Mar 17 08:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 109K Mar 17 08:36 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 2.2M 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 AirplaneLD-PT-0500-ReachabilityFireability-2024-00
FORMULA_NAME AirplaneLD-PT-0500-ReachabilityFireability-2024-01
FORMULA_NAME AirplaneLD-PT-0500-ReachabilityFireability-2024-02
FORMULA_NAME AirplaneLD-PT-0500-ReachabilityFireability-2024-03
FORMULA_NAME AirplaneLD-PT-0500-ReachabilityFireability-2024-04
FORMULA_NAME AirplaneLD-PT-0500-ReachabilityFireability-2024-05
FORMULA_NAME AirplaneLD-PT-0500-ReachabilityFireability-2024-06
FORMULA_NAME AirplaneLD-PT-0500-ReachabilityFireability-2024-07
FORMULA_NAME AirplaneLD-PT-0500-ReachabilityFireability-2024-08
FORMULA_NAME AirplaneLD-PT-0500-ReachabilityFireability-2024-09
FORMULA_NAME AirplaneLD-PT-0500-ReachabilityFireability-2024-10
FORMULA_NAME AirplaneLD-PT-0500-ReachabilityFireability-2024-11
FORMULA_NAME AirplaneLD-PT-0500-ReachabilityFireability-2024-12
FORMULA_NAME AirplaneLD-PT-0500-ReachabilityFireability-2024-13
FORMULA_NAME AirplaneLD-PT-0500-ReachabilityFireability-2024-14
FORMULA_NAME AirplaneLD-PT-0500-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779461703005

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AirplaneLD-PT-0500
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-22 14:55:04] [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]
[2026-05-22 14:55:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 14:55:05] [INFO ] Load time of PNML (sax parser for PT used): 426 ms
[2026-05-22 14:55:05] [INFO ] Transformed 3519 places.
[2026-05-22 14:55:05] [INFO ] Transformed 4008 transitions.
[2026-05-22 14:55:05] [INFO ] Found NUPN structural information;
[2026-05-22 14:55:05] [INFO ] Parsed PT model containing 3519 places and 4008 transitions and 15278 arcs in 677 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 85 ms.
Working with output stream class java.io.PrintStream
Reduce places removed 1502 places and 0 transitions.
[2026-05-22 14:55:06] [INFO ] Flatten gal took : 514 ms
[2026-05-22 14:55:07] [INFO ] Flatten gal took : 186 ms
[2026-05-22 14:55:07] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12435306050088437891.gal : 107 ms
[2026-05-22 14:55:07] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10798546804608598430.prop : 69 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/ReachabilityCardinality12435306050088437891.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10798546804608598430.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
Loading property file /tmp/ReachabilityCardinality10798546804608598430.prop.
RANDOM walk for 40000 steps (5040 resets) in 9066 ms. (4 steps per ms) remains 8/16 properties
FORMULA AirplaneLD-PT-0500-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-0500-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-0500-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-0500-ReachabilityFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-0500-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-0500-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-0500-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-0500-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 3278 ms. (12 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 3069 ms. (13 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1645 ms. (24 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 763 ms. (52 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 58 ms. (678 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 45 ms. (869 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 46 ms. (851 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 24 ms. (1600 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-11226239183623268375.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13448700253233832595.kers'
[2026-05-22 14:55:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11226239183623268375.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13448700253233832595.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 4008 rows 2017 cols 11270 entries
Finished phase 1 with 2008 SingleSign rule and 6 generalized
[2026-05-22 14:55:10] [INFO ] Computed 3 invariants in 37 ms
Computed 3 P flows in 38 ms.
Exported basis to /tmp/petrispot-output-13448700253233832595.kers
Total runtime 41 ms.
Excessive predecessor constraint size, skipping predecessor.
Problem AirplaneLD-PT-0500-ReachabilityFireability-2024-08 is UNSAT
FORMULA AirplaneLD-PT-0500-ReachabilityFireability-2024-08 FALSE TECHNIQUES SMT_REFINEMENT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1768 variables, 1768/1768 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1768 variables, 1/1769 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1768 variables, 0/1769 constraints. Problems are: Problem set: 1 solved, 7 unsolved
Problem AirplaneLD-PT-0500-ReachabilityFireability-2024-01 is UNSAT
FORMULA AirplaneLD-PT-0500-ReachabilityFireability-2024-01 FALSE TECHNIQUES SMT_REFINEMENT
Problem AirplaneLD-PT-0500-ReachabilityFireability-2024-04 is UNSAT
FORMULA AirplaneLD-PT-0500-ReachabilityFireability-2024-04 FALSE TECHNIQUES SMT_REFINEMENT
Problem AirplaneLD-PT-0500-ReachabilityFireability-2024-06 is UNSAT
FORMULA AirplaneLD-PT-0500-ReachabilityFireability-2024-06 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 3 (OVERLAPS) 3/1771 variables, 2/1771 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1771 variables, 3/1774 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1771 variables, 0/1774 constraints. Problems are: Problem set: 4 solved, 4 unsolved
SDD proceeding with computation,16 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,16 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,16 properties remain. new max is 16
SDD size :10 after 19
Problem AirplaneLD-PT-0500-ReachabilityFireability-2024-12 is UNSAT
FORMULA AirplaneLD-PT-0500-ReachabilityFireability-2024-12 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 6 (OVERLAPS) 4008/5779 variables, 1771/3545 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5779 variables, 0/3545 constraints. Problems are: Problem set: 5 solved, 3 unsolved
SDD proceeding with computation,16 properties remain. new max is 32
SDD size :19 after 36
At refinement iteration 8 (OVERLAPS) 246/6025 variables, 246/3791 constraints. Problems are: Problem set: 5 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/6025 variables, 246/4037 constraints. Problems are: Problem set: 5 solved, 3 unsolved
SDD proceeding with computation,16 properties remain. new max is 64
SDD size :36 after 69
At refinement iteration 10 (INCLUDED_ONLY) 0/6025 variables, 0/4037 constraints. Problems are: Problem set: 5 solved, 3 unsolved
SDD proceeding with computation,16 properties remain. new max is 128
SDD size :69 after 134
At refinement iteration 11 (OVERLAPS) 0/6025 variables, 0/4037 constraints. Problems are: Problem set: 5 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 6025/6025 variables, and 4037 constraints, problems are : Problem set: 5 solved, 3 unsolved in 4175 ms.
Refiners :[Domain max(s): 2017/2017 constraints, Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 2017/2017 constraints, PredecessorRefiner: 7/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 5 solved, 3 unsolved
SDD proceeding with computation,16 properties remain. new max is 256
SDD size :134 after 3024
Problem AirplaneLD-PT-0500-ReachabilityFireability-2024-13 is UNSAT
FORMULA AirplaneLD-PT-0500-ReachabilityFireability-2024-13 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 0 (INCLUDED_ONLY) 0/1018 variables, 1018/1018 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1018 variables, 0/1018 constraints. Problems are: Problem set: 6 solved, 2 unsolved
Problem AirplaneLD-PT-0500-ReachabilityFireability-2024-00 is UNSAT
FORMULA AirplaneLD-PT-0500-ReachabilityFireability-2024-00 TRUE TECHNIQUES SMT_REFINEMENT
Problem AirplaneLD-PT-0500-ReachabilityFireability-2024-10 is UNSAT
FORMULA AirplaneLD-PT-0500-ReachabilityFireability-2024-10 TRUE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Int declared 1023/6025 variables, and 1020 constraints, problems are : Problem set: 8 solved, 0 unsolved in 701 ms.
Refiners :[Domain max(s): 1018/2017 constraints, Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/2017 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5082ms problems are : Problem set: 8 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 11217 ms.

BK_STOP 1779461715829

--------------------
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="AirplaneLD-PT-0500"
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 AirplaneLD-PT-0500, 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 r002-oct2-177944365900119"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-PT-0500.tgz
mv AirplaneLD-PT-0500 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 ;