Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r342-tall-171679093200271.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is SafeBus-PT-15, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r342-tall-171679093200271
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 12M
-rw-r--r-- 1 mcc users 28K Apr 12 15:36 CTLCardinality.txt
-rw-r--r-- 1 mcc users 202K Apr 12 15:36 CTLCardinality.xml
-rw-r--r-- 1 mcc users 961K Apr 12 15:31 CTLFireability.txt
-rw-r--r-- 1 mcc users 4.0M Apr 12 15:31 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 17K Apr 23 07:49 LTLCardinality.txt
-rw-r--r-- 1 mcc users 70K Apr 23 07:49 LTLCardinality.xml
-rw-r--r-- 1 mcc users 111K Apr 23 07:49 LTLFireability.txt
-rw-r--r-- 1 mcc users 339K Apr 23 07:49 LTLFireability.xml
-rw-r--r-- 1 mcc users 88K Apr 12 16:33 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 488K Apr 12 16:33 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 378K Apr 12 16:25 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 1.7M Apr 12 16:25 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.5K Apr 23 07:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.9K Apr 23 07:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 3 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 3.5M May 18 16:43 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME ReachabilityDeadlock

=== Now, execution of the tool begins

BK_START 1716818684292

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SafeBus-PT-15
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-27 14:04:45] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2024-05-27 14:04:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-27 14:04:45] [INFO ] Load time of PNML (sax parser for PT used): 295 ms
[2024-05-27 14:04:45] [INFO ] Transformed 621 places.
[2024-05-27 14:04:45] [INFO ] Transformed 4771 transitions.
[2024-05-27 14:04:45] [INFO ] Found NUPN structural information;
[2024-05-27 14:04:45] [INFO ] Parsed PT model containing 621 places and 4771 transitions and 34549 arcs in 428 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 4 ms.
Working with output stream class java.io.PrintStream
Reduce places removed 15 places and 0 transitions.
Built sparse matrix representations for Structural reductions in 7 ms.21020KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 606/606 places, 4771/4771 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 1277 ms. Remains 606 /606 variables (removed 0) and now considering 4771/4771 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 1290 ms. Remains : 606/606 places, 4771/4771 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 606/606 places, 4771/4771 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 1035 ms. Remains 606 /606 variables (removed 0) and now considering 4771/4771 (removed 0) transitions.
[2024-05-27 14:04:48] [INFO ] Flow matrix only has 1412 transitions (discarded 3359 similar events)
// Phase 1: matrix 1412 rows 606 cols
[2024-05-27 14:04:48] [INFO ] Computed 65 invariants in 67 ms
[2024-05-27 14:04:53] [INFO ] Implicit Places using invariants in 4813 ms returned [546, 547, 548, 549, 550, 551, 552, 553, 554, 555, 556, 557, 558, 559, 560]
Discarding 15 places :
Implicit Place search using SMT only with invariants took 4864 ms to find 15 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 1 : 591/606 places, 4771/4771 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 15 Pre rules applied. Total rules applied 0 place count 591 transition count 4756
Deduced a syphon composed of 15 places in 4 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 0 with 30 rules applied. Total rules applied 30 place count 576 transition count 4756
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 30 rules in 1208 ms. Remains 576 /591 variables (removed 15) and now considering 4756/4771 (removed 15) transitions.
[2024-05-27 14:04:54] [INFO ] Flow matrix only has 1397 transitions (discarded 3359 similar events)
// Phase 1: matrix 1397 rows 576 cols
[2024-05-27 14:04:54] [INFO ] Computed 50 invariants in 39 ms
[2024-05-27 14:04:58] [INFO ] Implicit Places using invariants in 3615 ms returned []
[2024-05-27 14:04:58] [INFO ] Flow matrix only has 1397 transitions (discarded 3359 similar events)
[2024-05-27 14:04:58] [INFO ] Invariant cache hit.
[2024-05-27 14:04:58] [INFO ] State equation strengthened by 241 read => feed constraints.
[2024-05-27 14:05:07] [INFO ] Implicit Places using invariants and state equation in 9045 ms returned []
Implicit Place search using SMT with State Equation took 12667 ms to find 0 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 2 : 576/606 places, 4756/4771 transitions.
Finished structural reductions in DEADLOCK mode , in 2 iterations and 19777 ms. Remains : 576/606 places, 4756/4771 transitions.
Random walk for 1250000 steps, including 0 resets, run took 16720 ms (no deadlock found). (steps per millisecond=74 )
Random directed walk for 1250001 steps, including 0 resets, run took 11494 ms (no deadlock found). (steps per millisecond=108 )
[2024-05-27 14:05:35] [INFO ] Flow matrix only has 1397 transitions (discarded 3359 similar events)
[2024-05-27 14:05:35] [INFO ] Invariant cache hit.
[2024-05-27 14:05:36] [INFO ] [Real]Absence check using 19 positive place invariants in 52 ms returned sat
[2024-05-27 14:05:42] [INFO ] [Real]Absence check using 19 positive and 31 generalized place invariants in 6044 ms returned sat
[2024-05-27 14:05:43] [INFO ] [Real]Absence check using state equation in 1526 ms returned sat
[2024-05-27 14:05:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-27 14:05:44] [INFO ] [Nat]Absence check using 19 positive place invariants in 24 ms returned sat
[2024-05-27 14:05:46] [INFO ] [Nat]Absence check using 19 positive and 31 generalized place invariants in 1284 ms returned sat
[2024-05-27 14:05:47] [INFO ] [Nat]Absence check using state equation in 1336 ms returned sat
[2024-05-27 14:05:47] [INFO ] State equation strengthened by 241 read => feed constraints.
[2024-05-27 14:05:47] [INFO ] [Nat]Added 241 Read/Feed constraints in 456 ms returned sat
[2024-05-27 14:05:48] [INFO ] Deduced a trap composed of 61 places in 192 ms of which 19 ms to minimize.
[2024-05-27 14:05:51] [INFO ] Deduced a trap composed of 74 places in 203 ms of which 3 ms to minimize.
[2024-05-27 14:05:51] [INFO ] Deduced a trap composed of 61 places in 238 ms of which 3 ms to minimize.
[2024-05-27 14:05:51] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 4081 ms
[2024-05-27 14:05:52] [INFO ] Computed and/alt/rep : 30/45/30 causal constraints (skipped 1352 transitions) in 232 ms.
[2024-05-27 14:05:52] [INFO ] Added : 2 causal constraints over 2 iterations in 511 ms. Result :sat
Parikh directed walk for 21500 steps, including 1000 resets, run took 372 ms. (steps per millisecond=57 )
Random directed walk for 500002 steps, including 0 resets, run took 5088 ms (no deadlock found). (steps per millisecond=98 )
Random walk for 500000 steps, including 0 resets, run took 6584 ms (no deadlock found). (steps per millisecond=75 )
Random directed walk for 500001 steps, including 0 resets, run took 4781 ms (no deadlock found). (steps per millisecond=104 )
Random walk for 500000 steps, including 0 resets, run took 6520 ms (no deadlock found). (steps per millisecond=76 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 576/576 places, 4756/4756 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 1039 ms. Remains 576 /576 variables (removed 0) and now considering 4756/4756 (removed 0) transitions.
[2024-05-27 14:06:16] [INFO ] Flow matrix only has 1397 transitions (discarded 3359 similar events)
[2024-05-27 14:06:16] [INFO ] Invariant cache hit.
[2024-05-27 14:06:20] [INFO ] Implicit Places using invariants in 3621 ms returned []
[2024-05-27 14:06:20] [INFO ] Flow matrix only has 1397 transitions (discarded 3359 similar events)
[2024-05-27 14:06:20] [INFO ] Invariant cache hit.
[2024-05-27 14:06:20] [INFO ] State equation strengthened by 241 read => feed constraints.
[2024-05-27 14:06:29] [INFO ] Implicit Places using invariants and state equation in 9393 ms returned []
Implicit Place search using SMT with State Equation took 13024 ms to find 0 implicit places.
[2024-05-27 14:06:30] [INFO ] Redundant transitions in 348 ms returned []
Running 4741 sub problems to find dead transitions.
[2024-05-27 14:06:30] [INFO ] Flow matrix only has 1397 transitions (discarded 3359 similar events)
[2024-05-27 14:06:30] [INFO ] Invariant cache hit.
[2024-05-27 14:06:30] [INFO ] State equation strengthened by 241 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/576 variables, 576/576 constraints. Problems are: Problem set: 0 solved, 4741 unsolved
SMT process timed out in 58487ms, After SMT, problems are : Problem set: 0 solved, 4741 unsolved
Search for dead transitions found 0 dead transitions in 58558ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 73015 ms. Remains : 576/576 places, 4756/4756 transitions.
Random walk for 1250000 steps, including 0 resets, run took 16064 ms (no deadlock found). (steps per millisecond=77 )
Random directed walk for 1250005 steps, including 0 resets, run took 11975 ms (no deadlock found). (steps per millisecond=104 )
[2024-05-27 14:07:56] [INFO ] Flow matrix only has 1397 transitions (discarded 3359 similar events)
[2024-05-27 14:07:56] [INFO ] Invariant cache hit.
[2024-05-27 14:07:57] [INFO ] [Real]Absence check using 19 positive place invariants in 53 ms returned sat
[2024-05-27 14:08:03] [INFO ] [Real]Absence check using 19 positive and 31 generalized place invariants in 6071 ms returned sat
[2024-05-27 14:08:05] [INFO ] [Real]Absence check using state equation in 1514 ms returned sat
[2024-05-27 14:08:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-27 14:08:06] [INFO ] [Nat]Absence check using 19 positive place invariants in 23 ms returned sat
[2024-05-27 14:08:07] [INFO ] [Nat]Absence check using 19 positive and 31 generalized place invariants in 1280 ms returned sat
[2024-05-27 14:08:08] [INFO ] [Nat]Absence check using state equation in 1290 ms returned sat
[2024-05-27 14:08:08] [INFO ] State equation strengthened by 241 read => feed constraints.
[2024-05-27 14:08:09] [INFO ] [Nat]Added 241 Read/Feed constraints in 470 ms returned sat
[2024-05-27 14:08:09] [INFO ] Deduced a trap composed of 61 places in 155 ms of which 4 ms to minimize.
[2024-05-27 14:08:12] [INFO ] Deduced a trap composed of 74 places in 153 ms of which 2 ms to minimize.
[2024-05-27 14:08:12] [INFO ] Deduced a trap composed of 61 places in 153 ms of which 2 ms to minimize.
[2024-05-27 14:08:13] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 3937 ms
[2024-05-27 14:08:13] [INFO ] Computed and/alt/rep : 30/45/30 causal constraints (skipped 1352 transitions) in 200 ms.
[2024-05-27 14:08:13] [INFO ] Added : 2 causal constraints over 2 iterations in 469 ms. Result :sat
Parikh directed walk for 21500 steps, including 1000 resets, run took 336 ms. (steps per millisecond=63 )
Random directed walk for 500003 steps, including 0 resets, run took 4920 ms (no deadlock found). (steps per millisecond=101 )
Random walk for 500000 steps, including 0 resets, run took 6321 ms (no deadlock found). (steps per millisecond=79 )
Random directed walk for 500008 steps, including 0 resets, run took 4680 ms (no deadlock found). (steps per millisecond=106 )
Random walk for 500000 steps, including 0 resets, run took 6326 ms (no deadlock found). (steps per millisecond=79 )
[2024-05-27 14:08:36] [INFO ] Flatten gal took : 411 ms
[2024-05-27 14:08:36] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 1 ms.
[2024-05-27 14:08:36] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 606 places, 4771 transitions and 34129 arcs took 35 ms.
Total runtime 231431 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running SafeBus-PT-15

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/408/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 606
TRANSITIONS: 4771
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.153s, Sys 0.015s]


SAVING FILE /home/mcc/execution/408/model (.net / .def) ...
EXPORT TIME: [User 0.015s, Sys 0.003s]


----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES

Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net

Process ID: 575
MODEL NAME: /home/mcc/execution/408/model
606 places, 4771 transitions.

No place bound informations found.
No place bound informations found.
No place bound informations found.
No place bound informations found.
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.

BK_TIME_CONFINEMENT_REACHED

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityDeadlock -timeout 180 -rebuildPNML
MEDDLY ERROR: Insufficient memory

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="SafeBus-PT-15"
export BK_EXAMINATION="ReachabilityDeadlock"
export BK_TOOL="greatspnxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 2-5568"
echo " Executing tool greatspnxred"
echo " Input is SafeBus-PT-15, examination is ReachabilityDeadlock"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r342-tall-171679093200271"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SafeBus-PT-15.tgz
mv SafeBus-PT-15 execution
cd execution
if [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "UpperBounds" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] || [ "ReachabilityDeadlock" = "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 [ "ReachabilityDeadlock" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityDeadlock" != "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 "ReachabilityDeadlock.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityDeadlock.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityDeadlock.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 '' ReachabilityDeadlock.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityDeadlock"
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 ;