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-oct2-177944365900079.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-0010, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944365900079
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 708K
-rw-r--r-- 1 mcc users 18K Mar 4 17:17 CTLCardinality.txt
-rw-r--r-- 1 mcc users 128K Mar 4 17:17 CTLCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 4 17:16 CTLFireability.txt
-rw-r--r-- 1 mcc users 89K Mar 4 17:16 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 7.3K Mar 15 06:59 LTLCardinality.txt
-rw-r--r-- 1 mcc users 38K Mar 15 06:59 LTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K Mar 15 06:59 LTLFireability.txt
-rw-r--r-- 1 mcc users 30K Mar 15 06:59 LTLFireability.xml
-rw-r--r-- 1 mcc users 28K Mar 4 17:17 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 174K Mar 4 17:17 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.8K Mar 4 17:17 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K Mar 4 17:17 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.7K Mar 15 06:59 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.5K Mar 15 06:59 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 48K 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-0010-ReachabilityFireability-2024-00
FORMULA_NAME AirplaneLD-PT-0010-ReachabilityFireability-2024-01
FORMULA_NAME AirplaneLD-PT-0010-ReachabilityFireability-2024-02
FORMULA_NAME AirplaneLD-PT-0010-ReachabilityFireability-2024-03
FORMULA_NAME AirplaneLD-PT-0010-ReachabilityFireability-2024-04
FORMULA_NAME AirplaneLD-PT-0010-ReachabilityFireability-2024-05
FORMULA_NAME AirplaneLD-PT-0010-ReachabilityFireability-2024-06
FORMULA_NAME AirplaneLD-PT-0010-ReachabilityFireability-2024-07
FORMULA_NAME AirplaneLD-PT-0010-ReachabilityFireability-2024-08
FORMULA_NAME AirplaneLD-PT-0010-ReachabilityFireability-2024-09
FORMULA_NAME AirplaneLD-PT-0010-ReachabilityFireability-2024-10
FORMULA_NAME AirplaneLD-PT-0010-ReachabilityFireability-2024-11
FORMULA_NAME AirplaneLD-PT-0010-ReachabilityFireability-2024-12
FORMULA_NAME AirplaneLD-PT-0010-ReachabilityFireability-2024-13
FORMULA_NAME AirplaneLD-PT-0010-ReachabilityFireability-2024-14
FORMULA_NAME AirplaneLD-PT-0010-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779461584458

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-0010
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-22 14:53:06] [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 14:53:06] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 14:53:06] [INFO ] Load time of PNML (sax parser for PT used): 95 ms
[2026-05-22 14:53:06] [INFO ] Transformed 89 places.
[2026-05-22 14:53:06] [INFO ] Transformed 88 transitions.
[2026-05-22 14:53:06] [INFO ] Found NUPN structural information;
[2026-05-22 14:53:06] [INFO ] Parsed PT model containing 89 places and 88 transitions and 333 arcs in 274 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 14 ms.
Working with output stream class java.io.PrintStream
Reduce places removed 32 places and 0 transitions.
FORMULA AirplaneLD-PT-0010-ReachabilityFireability-2024-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (5026 resets) in 1557 ms. (25 steps per ms) remains 4/15 properties
FORMULA AirplaneLD-PT-0010-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-0010-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-0010-ReachabilityFireability-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-0010-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-0010-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-0010-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-0010-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-0010-ReachabilityFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-0010-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-0010-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-0010-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (282 resets) in 443 ms. (90 steps per ms) remains 4/4 properties
[2026-05-22 14:53:07] [INFO ] Flatten gal took : 88 ms
[2026-05-22 14:53:07] [INFO ] Flatten gal took : 38 ms
BEST_FIRST walk for 40004 steps (282 resets) in 1008 ms. (39 steps per ms) remains 4/4 properties
[2026-05-22 14:53:07] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16796680793006461532.gal : 16 ms
BEST_FIRST walk for 40004 steps (386 resets) in 98 ms. (404 steps per ms) remains 4/4 properties
[2026-05-22 14:53:07] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1455841352223641878.prop : 1 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/ReachabilityCardinality16796680793006461532.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1455841352223641878.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (317 resets) in 330 ms. (120 steps per ms) remains 4/4 properties

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/ReachabilityCardinality1455841352223641878.prop.
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 42
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :42 after 120
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :120 after 1617
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5659039419125538558.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8567169292241987155.kers'
[2026-05-22 14:53:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5659039419125538558.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8567169292241987155.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 88 rows 57 cols 245 entries
Finished phase 1 with 48 SingleSign rule and 6 generalized
[2026-05-22 14:53:07] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-8567169292241987155.kers
Total runtime 2 ms.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/46 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/46 variables, 1/47 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem AirplaneLD-PT-0010-ReachabilityFireability-2024-07 is UNSAT
FORMULA AirplaneLD-PT-0010-ReachabilityFireability-2024-07 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 3 (OVERLAPS) 3/49 variables, 2/49 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/49 variables, 3/52 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/49 variables, 0/52 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Problem AirplaneLD-PT-0010-ReachabilityFireability-2024-13 is UNSAT
FORMULA AirplaneLD-PT-0010-ReachabilityFireability-2024-13 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 6 (OVERLAPS) 88/137 variables, 49/101 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/137 variables, 0/101 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 8/145 variables, 8/109 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/145 variables, 8/117 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/145 variables, 0/117 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/145 variables, 0/117 constraints. Problems are: Problem set: 2 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 145/145 variables, and 117 constraints, problems are : Problem set: 2 solved, 2 unsolved in 283 ms.
Refiners :[Domain max(s): 57/57 constraints, Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 57/57 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
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :38115 after 40922
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,43463,0.472281,4720,2,291,11,3225,10,0,441,1467,0
Total reachable state count : 43463

Verifying 4 reachability properties.
Invariant property AirplaneLD-PT-0010-ReachabilityFireability-2024-06 is true.
FORMULA AirplaneLD-PT-0010-ReachabilityFireability-2024-06 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING

At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 25/25 constraints. Problems are: Problem set: 3 solved, 1 unsolved
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
AirplaneLD-PT-0010-ReachabilityFireability-2024-06,0,0.473773,4856,1,0,11,3225,10,0,452,1467,0
Reachability property AirplaneLD-PT-0010-ReachabilityFireability-2024-07 does not hold.
No reachable states exhibit your property : AirplaneLD-PT-0010-ReachabilityFireability-2024-07

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
AirplaneLD-PT-0010-ReachabilityFireability-2024-07,0,0.478993,4972,1,0,11,3225,10,0,490,1467,0
Reachability property AirplaneLD-PT-0010-ReachabilityFireability-2024-13 does not hold.
No reachable states exhibit your property : AirplaneLD-PT-0010-ReachabilityFireability-2024-13

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
AirplaneLD-PT-0010-ReachabilityFireability-2024-13,0,0.479376,4972,1,0,11,3225,10,0,494,1467,0
Invariant property AirplaneLD-PT-0010-ReachabilityFireability-2024-15 is true.
FORMULA AirplaneLD-PT-0010-ReachabilityFireability-2024-15 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
AirplaneLD-PT-0010-ReachabilityFireability-2024-15,0,0.482023,4972,1,0,11,3225,10,0,508,1467,0
After SMT solving in domain Int declared 25/145 variables, and 25 constraints, problems are : Problem set: 4 solved, 0 unsolved in 78 ms.
Refiners :[Domain max(s): 25/57 constraints, Positive P Invariants (semi-flows): 0/2 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/57 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 477ms problems are : Problem set: 4 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
All properties solved without resorting to model-checking.
Total runtime 2016 ms.

BK_STOP 1779461588251

--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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-0010"
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-0010, 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-oct2-177944365900079"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-PT-0010.tgz
mv AirplaneLD-PT-0010 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 ;