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-oct2-177944366400495.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)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is AutoFlight-PT-04a, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944366400495
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 428K
-rw-r--r-- 1 mcc users 6.1K Mar 5 16:35 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K Mar 5 16:35 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Mar 5 16:35 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Mar 5 16:35 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 07:13 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 07:13 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 07:13 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 07:13 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.1K Mar 5 16:35 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 80K Mar 5 16:35 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K Mar 5 16:35 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 76K Mar 5 16:35 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:13 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 07:13 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 29K 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 AutoFlight-PT-04a-ReachabilityFireability-2024-00
FORMULA_NAME AutoFlight-PT-04a-ReachabilityFireability-2024-01
FORMULA_NAME AutoFlight-PT-04a-ReachabilityFireability-2024-02
FORMULA_NAME AutoFlight-PT-04a-ReachabilityFireability-2024-03
FORMULA_NAME AutoFlight-PT-04a-ReachabilityFireability-2024-04
FORMULA_NAME AutoFlight-PT-04a-ReachabilityFireability-2024-05
FORMULA_NAME AutoFlight-PT-04a-ReachabilityFireability-2024-06
FORMULA_NAME AutoFlight-PT-04a-ReachabilityFireability-2024-07
FORMULA_NAME AutoFlight-PT-04a-ReachabilityFireability-2024-08
FORMULA_NAME AutoFlight-PT-04a-ReachabilityFireability-2024-09
FORMULA_NAME AutoFlight-PT-04a-ReachabilityFireability-2024-10
FORMULA_NAME AutoFlight-PT-04a-ReachabilityFireability-2024-11
FORMULA_NAME AutoFlight-PT-04a-ReachabilityFireability-2024-12
FORMULA_NAME AutoFlight-PT-04a-ReachabilityFireability-2024-13
FORMULA_NAME AutoFlight-PT-04a-ReachabilityFireability-2024-14
FORMULA_NAME AutoFlight-PT-04a-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779491478149

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AutoFlight-PT-04a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-22 23:11:19] [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 23:11:19] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 23:11:19] [INFO ] Load time of PNML (sax parser for PT used): 50 ms
[2026-05-22 23:11:19] [INFO ] Transformed 107 places.
[2026-05-22 23:11:19] [INFO ] Transformed 105 transitions.
[2026-05-22 23:11:19] [INFO ] Found NUPN structural information;
[2026-05-22 23:11:19] [INFO ] Parsed PT model containing 107 places and 105 transitions and 340 arcs in 147 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 15 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 20 transitions
Reduce redundant transitions removed 20 transitions.
RANDOM walk for 40000 steps (1339 resets) in 1980 ms. (20 steps per ms) remains 6/16 properties
FORMULA AutoFlight-PT-04a-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-04a-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-04a-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-04a-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-04a-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-04a-ReachabilityFireability-2024-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-04a-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-04a-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-04a-ReachabilityFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-04a-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-22 23:11:20] [INFO ] Flatten gal took : 68 ms
[2026-05-22 23:11:20] [INFO ] Flatten gal took : 21 ms
BEST_FIRST walk for 40002 steps (243 resets) in 360 ms. (110 steps per ms) remains 6/6 properties
[2026-05-22 23:11:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17042079654729185150.gal : 17 ms
[2026-05-22 23:11:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2278012252526564185.prop : 3 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/ReachabilityCardinality17042079654729185150.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2278012252526564185.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (240 resets) in 177 ms. (224 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (246 resets) in 126 ms. (314 steps per ms) remains 5/6 properties
FORMULA AutoFlight-PT-04a-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_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/ReachabilityCardinality2278012252526564185.prop.
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,6 properties remain. new max is 8
SDD size :9 after 33
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :33 after 129
SDD proceeding with computation,6 properties remain. new max is 32
SDD size :129 after 1025
BEST_FIRST walk for 40004 steps (222 resets) in 444 ms. (89 steps per ms) remains 5/5 properties
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :1025 after 10829
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :10829 after 15361
BEST_FIRST walk for 40003 steps (198 resets) in 172 ms. (231 steps per ms) remains 5/5 properties
SDD proceeding with computation,6 properties remain. new max is 256
SDD size :15361 after 47745
BEST_FIRST walk for 40003 steps (240 resets) in 193 ms. (206 steps per ms) remains 5/5 properties
SDD proceeding with computation,6 properties remain. new max is 512
SDD size :47745 after 72065
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17076167005604444683.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2726094019040536424.kers'
SDD proceeding with computation,6 properties remain. new max is 1024
SDD size :72065 after 196889
[2026-05-22 23:11:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17076167005604444683.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2726094019040536424.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 85 rows 99 cols 252 entries
Finished phase 1 with 73 SingleSign rule and 6 generalized
[2026-05-22 23:11:21] [INFO ] Computed 28 invariants in 0 ms
Computed 28 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-2726094019040536424.kers
Total runtime 1 ms.
[2026-05-22 23:11:21] [INFO ] State equation strengthened by 20 read => feed constraints.
Reachability property AutoFlight-PT-04a-ReachabilityFireability-2024-07 is true.
FORMULA AutoFlight-PT-04a-ReachabilityFireability-2024-07 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property AutoFlight-PT-04a-ReachabilityFireability-2024-03 is true.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/85 variables, 85/85 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/85 variables, 18/103 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/85 variables, 0/103 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 22/107 variables, 9/112 constraints. Problems are: Problem set: 1 solved, 4 unsolved
SDD proceeding with computation,4 properties remain. new max is 1024
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 22/134 constraints. Problems are: Problem set: 1 solved, 4 unsolved
SDD size :196889 after 850141
At refinement iteration 5 (INCLUDED_ONLY) 0/107 variables, 1/135 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/107 variables, 0/135 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 85/192 variables, 107/242 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 20/262 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/192 variables, 0/262 constraints. Problems are: Problem set: 1 solved, 4 unsolved
Invariant property AutoFlight-PT-04a-ReachabilityFireability-2024-11 does not hold.
FORMULA AutoFlight-PT-04a-ReachabilityFireability-2024-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
At refinement iteration 10 (OVERLAPS) 0/192 variables, 0/262 constraints. Problems are: Problem set: 2 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 262 constraints, problems are : Problem set: 2 solved, 3 unsolved in 886 ms.
Refiners :[Domain max(s): 107/107 constraints, Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 107/107 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 64/64 constraints. Problems are: Problem set: 2 solved, 3 unsolved
Problem AutoFlight-PT-04a-ReachabilityFireability-2024-02 is UNSAT
FORMULA AutoFlight-PT-04a-ReachabilityFireability-2024-02 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 11/75 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/75 constraints. Problems are: Problem set: 3 solved, 2 unsolved
Problem AutoFlight-PT-04a-ReachabilityFireability-2024-01 is UNSAT
FORMULA AutoFlight-PT-04a-ReachabilityFireability-2024-01 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 3 (OVERLAPS) 43/107 variables, 16/91 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 43/134 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/107 variables, 1/135 constraints. Problems are: Problem set: 4 solved, 1 unsolved
Problem AutoFlight-PT-04a-ReachabilityFireability-2024-13 is UNSAT
FORMULA AutoFlight-PT-04a-ReachabilityFireability-2024-13 FALSE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Int declared 107/192 variables, and 139 constraints, problems are : Problem set: 5 solved, 0 unsolved in 356 ms.
Refiners :[Domain max(s): 107/107 constraints, Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/107 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 0/5 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1438ms problems are : Problem set: 5 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 2924 ms.

BK_STOP 1779491482486

--------------------
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="AutoFlight-PT-04a"
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 AutoFlight-PT-04a, 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-oct2-177944366400495"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-04a.tgz
mv AutoFlight-PT-04a 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 ;