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.r166-smll-171636274200034.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 ERK-PT-001000, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r166-smll-171636274200034
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 436K
-rw-r--r-- 1 mcc users 7.0K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K May 19 07:09 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 19 15:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Apr 22 14:42 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 22 14:42 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Apr 11 21:49 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 116K Apr 11 21:49 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.8K Apr 11 21:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K Apr 11 21:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 22 14:42 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:42 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 7 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 6.7K May 18 16:42 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 Liveness

=== Now, execution of the tool begins

BK_START 1716472528725

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ERK-PT-001000
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-23 13:55:31] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2024-05-23 13:55:31] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-23 13:55:31] [INFO ] Load time of PNML (sax parser for PT used): 63 ms
[2024-05-23 13:55:31] [INFO ] Transformed 11 places.
[2024-05-23 13:55:31] [INFO ] Transformed 11 transitions.
[2024-05-23 13:55:31] [INFO ] Parsed PT model containing 11 places and 11 transitions and 34 arcs in 287 ms.
Discarding 4 transitions out of 11. Remains 7
Built sparse matrix representations for Structural reductions in 7 ms.18977KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 11/11 places, 11/11 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 27 ms. Remains 11 /11 variables (removed 0) and now considering 11/11 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 57 ms. Remains : 11/11 places, 11/11 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 11/11 places, 11/11 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 13 ms. Remains 11 /11 variables (removed 0) and now considering 11/11 (removed 0) transitions.
// Phase 1: matrix 11 rows 11 cols
[2024-05-23 13:55:31] [INFO ] Computed 5 invariants in 6 ms
[2024-05-23 13:55:32] [INFO ] Implicit Places using invariants in 221 ms returned []
[2024-05-23 13:55:32] [INFO ] Invariant cache hit.
[2024-05-23 13:55:32] [INFO ] Implicit Places using invariants and state equation in 87 ms returned []
Implicit Place search using SMT with State Equation took 379 ms to find 0 implicit places.
[2024-05-23 13:55:32] [INFO ] Redundant transitions in 0 ms returned []
Running 9 sub problems to find dead transitions.
[2024-05-23 13:55:32] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 4/11 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/11 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 11/22 variables, 11/16 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (OVERLAPS) 0/22 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 16 constraints, problems are : Problem set: 0 solved, 9 unsolved in 317 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 11/11 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 4/11 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/11 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 11/22 variables, 11/16 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 9/25 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/22 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 0/22 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 25 constraints, problems are : Problem set: 0 solved, 9 unsolved in 272 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 11/11 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints]
After SMT, in 645ms problems are : Problem set: 0 solved, 9 unsolved
Search for dead transitions found 0 dead transitions in 659ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 1077 ms. Remains : 11/11 places, 11/11 transitions.
Random walk for 1250251 steps, including 0 resets, run took 524 ms (no deadlock found). (steps per millisecond=2385 )
Random directed walk for 1250438 steps, including 0 resets, run took 396 ms (no deadlock found). (steps per millisecond=3157 )
[2024-05-23 13:55:33] [INFO ] Invariant cache hit.
[2024-05-23 13:55:33] [INFO ] [Real]Absence check using 5 positive place invariants in 5 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 11/11 places, 11/11 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 11 transition count 9
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 7 transition count 9
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 6 transition count 8
Applied a total of 8 rules in 36 ms. Remains 6 /11 variables (removed 5) and now considering 8/11 (removed 3) transitions.
[2024-05-23 13:55:33] [INFO ] Flow matrix only has 6 transitions (discarded 2 similar events)
// Phase 1: matrix 6 rows 6 cols
[2024-05-23 13:55:33] [INFO ] Computed 3 invariants in 0 ms
[2024-05-23 13:55:33] [INFO ] Implicit Places using invariants in 58 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 63 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 5/11 places, 8/11 transitions.
Graph (trivial) has 6 edges and 5 vertex of which 2 / 5 are part of one of the 1 SCC in 3 ms
Free SCC test removed 1 places
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Applied a total of 1 rules in 12 ms. Remains 4 /5 variables (removed 1) and now considering 7/8 (removed 1) transitions.
[2024-05-23 13:55:33] [INFO ] Flow matrix only has 4 transitions (discarded 3 similar events)
// Phase 1: matrix 4 rows 4 cols
[2024-05-23 13:55:33] [INFO ] Computed 2 invariants in 1 ms
[2024-05-23 13:55:33] [INFO ] Implicit Places using invariants in 29 ms returned []
[2024-05-23 13:55:33] [INFO ] Flow matrix only has 4 transitions (discarded 3 similar events)
[2024-05-23 13:55:33] [INFO ] Invariant cache hit.
[2024-05-23 13:55:34] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 67 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 4/11 places, 7/11 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 178 ms. Remains : 4/11 places, 7/11 transitions.
Discarding 4 transitions out of 7. Remains 3
Initial state reduction rules removed 1 formulas.
RANDOM walk for 4008 steps (0 resets) in 11 ms. (334 steps per ms) remains 0/2 properties
Able to resolve query QuasiLiveness after proving 3 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 11/11 places, 11/11 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 11 transition count 9
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 7 transition count 9
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 6 transition count 8
Applied a total of 8 rules in 2 ms. Remains 6 /11 variables (removed 5) and now considering 8/11 (removed 3) transitions.
[2024-05-23 13:55:34] [INFO ] Flow matrix only has 6 transitions (discarded 2 similar events)
// Phase 1: matrix 6 rows 6 cols
[2024-05-23 13:55:34] [INFO ] Computed 3 invariants in 0 ms
[2024-05-23 13:55:34] [INFO ] Implicit Places using invariants in 31 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 32 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 5/11 places, 8/11 transitions.
Graph (trivial) has 6 edges and 5 vertex of which 2 / 5 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Applied a total of 1 rules in 1 ms. Remains 4 /5 variables (removed 1) and now considering 7/8 (removed 1) transitions.
[2024-05-23 13:55:34] [INFO ] Flow matrix only has 4 transitions (discarded 3 similar events)
// Phase 1: matrix 4 rows 4 cols
[2024-05-23 13:55:34] [INFO ] Computed 2 invariants in 5 ms
[2024-05-23 13:55:34] [INFO ] Implicit Places using invariants in 36 ms returned []
[2024-05-23 13:55:34] [INFO ] Flow matrix only has 4 transitions (discarded 3 similar events)
[2024-05-23 13:55:34] [INFO ] Invariant cache hit.
[2024-05-23 13:55:34] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 69 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 4/11 places, 7/11 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 104 ms. Remains : 4/11 places, 7/11 transitions.
Discarding 4 transitions out of 7. Remains 3
Net is quasi-live, checking if it is reversible to establish liveness.
Net is conservative; using simplified expression for initial state.
Unable to solve all queries for examination Liveness. Remains :1 assertions to prove.
Unable to solve all queries for examination Liveness. Remains :3 assertions to prove.
No /home/mcc/execution/Liveness.xml examination file found. Proceeding without properties.
Parsed 3 properties from file /home/mcc/execution/Liveness.xml in 1 ms.
Working with output stream class java.io.PrintStream
Total runtime 2885 ms.
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running ERK-PT-001000

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 11
TRANSITIONS: 11
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.003s, Sys 0.000s]


SAVING FILE /home/mcc/execution/model (.net / .def) ...
EXPORT TIME: [User 0.000s, Sys 0.000s]


----------------------------------------------------------------------
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: 531
MODEL NAME: /home/mcc/execution/model
11 places, 11 transitions.

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.
Building monolithic NSF...
FORMULA Liveness TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1716472621682

--------------------
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 Liveness -timeout 180 -rebuildPNML

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="ERK-PT-001000"
export BK_EXAMINATION="Liveness"
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 ERK-PT-001000, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r166-smll-171636274200034"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ERK-PT-001000.tgz
mv ERK-PT-001000 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property Liveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "Liveness.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 '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;