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-oct2-177944365900111.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-0200, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944365900111
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.6M
-rw-r--r-- 1 mcc users 118K Mar 4 16:46 CTLCardinality.txt
-rw-r--r-- 1 mcc users 457K Mar 4 16:46 CTLCardinality.xml
-rw-r--r-- 1 mcc users 91K Mar 4 16:46 CTLFireability.txt
-rw-r--r-- 1 mcc users 546K Mar 4 16:46 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 48K Mar 15 07:00 LTLCardinality.txt
-rw-r--r-- 1 mcc users 130K Mar 15 07:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 52K Mar 15 07:00 LTLFireability.txt
-rw-r--r-- 1 mcc users 230K Mar 15 07:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 199K Mar 4 16:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 720K Mar 4 16:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 166K Mar 4 16:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 979K Mar 4 16:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 15 07:00 UpperBounds.txt
-rw-r--r-- 1 mcc users 23K Mar 15 07:00 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 872K 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-0200-ReachabilityFireability-2024-00
FORMULA_NAME AirplaneLD-PT-0200-ReachabilityFireability-2024-01
FORMULA_NAME AirplaneLD-PT-0200-ReachabilityFireability-2024-02
FORMULA_NAME AirplaneLD-PT-0200-ReachabilityFireability-2024-03
FORMULA_NAME AirplaneLD-PT-0200-ReachabilityFireability-2024-04
FORMULA_NAME AirplaneLD-PT-0200-ReachabilityFireability-2024-05
FORMULA_NAME AirplaneLD-PT-0200-ReachabilityFireability-2024-06
FORMULA_NAME AirplaneLD-PT-0200-ReachabilityFireability-2024-07
FORMULA_NAME AirplaneLD-PT-0200-ReachabilityFireability-2024-08
FORMULA_NAME AirplaneLD-PT-0200-ReachabilityFireability-2024-09
FORMULA_NAME AirplaneLD-PT-0200-ReachabilityFireability-2024-10
FORMULA_NAME AirplaneLD-PT-0200-ReachabilityFireability-2024-11
FORMULA_NAME AirplaneLD-PT-0200-ReachabilityFireability-2024-12
FORMULA_NAME AirplaneLD-PT-0200-ReachabilityFireability-2024-13
FORMULA_NAME AirplaneLD-PT-0200-ReachabilityFireability-2024-14
FORMULA_NAME AirplaneLD-PT-0200-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779461659596

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-0200
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-22 14:54:21] [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 14:54:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 14:54:21] [INFO ] Load time of PNML (sax parser for PT used): 214 ms
[2026-05-22 14:54:21] [INFO ] Transformed 1419 places.
[2026-05-22 14:54:21] [INFO ] Transformed 1608 transitions.
[2026-05-22 14:54:21] [INFO ] Found NUPN structural information;
[2026-05-22 14:54:21] [INFO ] Parsed PT model containing 1419 places and 1608 transitions and 6128 arcs in 358 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 81 ms.
Working with output stream class java.io.PrintStream
Reduce places removed 602 places and 0 transitions.
[2026-05-22 14:54:23] [INFO ] Flatten gal took : 260 ms
RANDOM walk for 40000 steps (5056 resets) in 3749 ms. (10 steps per ms) remains 5/16 properties
FORMULA AirplaneLD-PT-0200-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-0200-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-0200-ReachabilityFireability-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-0200-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-0200-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-0200-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-0200-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-0200-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-0200-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-0200-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-0200-ReachabilityFireability-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-22 14:54:23] [INFO ] Flatten gal took : 204 ms
[2026-05-22 14:54:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11307866992339638592.gal : 102 ms
[2026-05-22 14:54:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3737977688412253001.prop : 8 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/ReachabilityCardinality11307866992339638592.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3737977688412253001.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/ReachabilityCardinality3737977688412253001.prop.
BEST_FIRST walk for 40002 steps (24 resets) in 2089 ms. (19 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (16 resets) in 1611 ms. (24 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (22 resets) in 275 ms. (144 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (23 resets) in 72 ms. (548 steps per ms) remains 4/5 properties
FORMULA AirplaneLD-PT-0200-ReachabilityFireability-2024-12 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (24 resets) in 55 ms. (714 steps per ms) remains 4/4 properties
SDD proceeding with computation,5 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,5 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,5 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,5 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,5 properties remain. new max is 64
SDD size :36 after 69
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12284483932974600489.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4746895816235941814.kers'
SDD proceeding with computation,5 properties remain. new max is 128
SDD size :69 after 3366
SDD proceeding with computation,5 properties remain. new max is 256
SDD size :3366 after 17420
[2026-05-22 14:54:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12284483932974600489.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4746895816235941814.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 1608 rows 817 cols 4520 entries
Finished phase 1 with 808 SingleSign rule and 6 generalized
[2026-05-22 14:54:24] [INFO ] Computed 3 invariants in 8 ms
Computed 3 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-4746895816235941814.kers
Total runtime 10 ms.
SDD proceeding with computation,5 properties remain. new max is 512
SDD size :17420 after 40401
Excessive predecessor constraint size, skipping predecessor.
Problem AirplaneLD-PT-0200-ReachabilityFireability-2024-15 is UNSAT
FORMULA AirplaneLD-PT-0200-ReachabilityFireability-2024-15 FALSE TECHNIQUES SMT_REFINEMENT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/715 variables, 715/715 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/715 variables, 1/716 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/715 variables, 0/716 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Problem AirplaneLD-PT-0200-ReachabilityFireability-2024-04 is UNSAT
FORMULA AirplaneLD-PT-0200-ReachabilityFireability-2024-04 FALSE TECHNIQUES SMT_REFINEMENT
Problem AirplaneLD-PT-0200-ReachabilityFireability-2024-05 is UNSAT
FORMULA AirplaneLD-PT-0200-ReachabilityFireability-2024-05 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 3 (OVERLAPS) 3/718 variables, 2/718 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/718 variables, 3/721 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/718 variables, 0/721 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1608/2326 variables, 718/1439 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2326 variables, 0/1439 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 99/2425 variables, 99/1538 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2425 variables, 99/1637 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2425 variables, 0/1637 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/2425 variables, 0/1637 constraints. Problems are: Problem set: 3 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2425/2425 variables, and 1637 constraints, problems are : Problem set: 3 solved, 1 unsolved in 937 ms.
Refiners :[Domain max(s): 817/817 constraints, Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 817/817 constraints, PredecessorRefiner: 3/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 1 unsolved
Problem AirplaneLD-PT-0200-ReachabilityFireability-2024-09 is UNSAT
FORMULA AirplaneLD-PT-0200-ReachabilityFireability-2024-09 TRUE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Int declared 15/2425 variables, and 15 constraints, problems are : Problem set: 4 solved, 0 unsolved in 21 ms.
Refiners :[Domain max(s): 15/817 constraints, Positive P Invariants (semi-flows): 0/2 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/817 constraints, PredecessorRefiner: 0/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1113ms 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 4425 ms.

BK_STOP 1779461665644

--------------------
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-0200"
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-0200, 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-oct2-177944365900111"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-PT-0200.tgz
mv AirplaneLD-PT-0200 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 ;