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.r276-smll-171654416100154.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 Peterson-COL-7, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r276-smll-171654416100154
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 512K
-rw-r--r-- 1 mcc users 8.3K Apr 12 03:18 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Apr 12 03:18 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Apr 12 03:01 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Apr 12 03:01 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.5K Apr 23 07:42 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Apr 23 07:42 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Apr 23 07:42 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 23 07:42 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Apr 12 04:27 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 110K Apr 12 04:27 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Apr 12 04:08 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 91K Apr 12 04:08 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 23 07:42 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 23 07:42 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:43 equiv_pt
-rw-r--r-- 1 mcc users 2 May 18 16:43 instance
-rw-r--r-- 1 mcc users 5 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 47K 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 Liveness

=== Now, execution of the tool begins

BK_START 1716820153865

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Peterson-COL-7
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-27 14:29:16] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2024-05-27 14:29:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-27 14:29:16] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2024-05-27 14:29:17] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-05-27 14:29:18] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1391 ms
[2024-05-27 14:29:18] [INFO ] Imported 11 HL places and 14 HL transitions for a total of 2048 PT places and 3384.0 transition bindings in 43 ms.
[2024-05-27 14:29:18] [INFO ] Built PT skeleton of HLPN with 11 places and 14 transitions 42 arcs in 9 ms.
[2024-05-27 14:29:18] [INFO ] Skeletonized 0 HLPN properties in 0 ms.
[2024-05-27 14:29:18] [INFO ] Unfolded HLPN to a Petri net with 2048 places and 3208 transitions 10032 arcs in 176 ms.
[2024-05-27 14:29:18] [INFO ] Unfolded 0 HLPN properties in 1 ms.
[2024-05-27 14:29:18] [INFO ] Unfolded HLPN to a Petri net with 2048 places and 3208 transitions 10032 arcs in 107 ms.
[2024-05-27 14:29:18] [INFO ] Unfolded 14 HLPN properties in 2 ms.
[2024-05-27 14:29:18] [INFO ] Built PT skeleton of HLPN with 11 places and 14 transitions 42 arcs in 0 ms.
[2024-05-27 14:29:18] [INFO ] Skeletonized 14 HLPN properties in 2 ms.
Reduce places removed 2 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Prefix of Interest using HLPN skeleton for deadlock discarded 0 places and 0 transitions.
Domain [Process(8), Tour(7), Process(8)] of place BeginLoop breaks symmetries in sort Process
Arc [2:1*[$i, (MOD (ADD $j 1) 7)]] contains successor/predecessor on variables of sort Tour
Symmetric sort wr.t. initial and guards and successors and join/free detected :Bool
Arc [1:1*[$i, 0]] contains constants of sort Bool
Transition Ask : constants on arcs in [[1:1*[$i, 0]]] introduces in Bool(2) partition with 1 elements that refines current partition to 2 subsets.
[2024-05-27 14:29:19] [INFO ] Unfolded HLPN to a Petri net with 2048 places and 3208 transitions 10032 arcs in 118 ms.
[2024-05-27 14:29:19] [INFO ] Unfolded 14 HLPN properties in 2 ms.
Deduced a syphon composed of 56 places in 39 ms
Reduce places removed 56 places and 112 transitions.
Built sparse matrix representations for Structural reductions in 15 ms.29649KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 1992/1992 places, 3096/3096 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 200 ms. Remains 1992 /1992 variables (removed 0) and now considering 3096/3096 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 221 ms. Remains : 1992/1992 places, 3096/3096 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 1992/1992 places, 3096/3096 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 95 ms. Remains 1992 /1992 variables (removed 0) and now considering 3096/3096 (removed 0) transitions.
[2024-05-27 14:29:19] [INFO ] Flow matrix only has 2760 transitions (discarded 336 similar events)
// Phase 1: matrix 2760 rows 1992 cols
[2024-05-27 14:29:19] [INFO ] Computed 31 invariants in 67 ms
[2024-05-27 14:29:20] [INFO ] Implicit Places using invariants in 1007 ms returned []
[2024-05-27 14:29:20] [INFO ] Flow matrix only has 2760 transitions (discarded 336 similar events)
[2024-05-27 14:29:20] [INFO ] Invariant cache hit.
[2024-05-27 14:29:22] [INFO ] State equation strengthened by 497 read => feed constraints.
[2024-05-27 14:29:22] [INFO ] Implicit Places using invariants and state equation in 2297 ms returned []
Implicit Place search using SMT with State Equation took 3352 ms to find 0 implicit places.
[2024-05-27 14:29:23] [INFO ] Redundant transitions in 341 ms returned []
Running 3088 sub problems to find dead transitions.
[2024-05-27 14:29:23] [INFO ] Flow matrix only has 2760 transitions (discarded 336 similar events)
[2024-05-27 14:29:23] [INFO ] Invariant cache hit.
[2024-05-27 14:29:23] [INFO ] State equation strengthened by 497 read => feed constraints.
(s413 0.0timeout
^^^^^^^^^^
(error "Invalid token: 0.0timeout")
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) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1984 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 3088 unsolved
SMT process timed out in 32783ms, After SMT, problems are : Problem set: 0 solved, 3088 unsolved
Search for dead transitions found 0 dead transitions in 32915ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 36762 ms. Remains : 1992/1992 places, 3096/3096 transitions.
Random walk for 1250000 steps, including 0 resets, run took 4658 ms (no deadlock found). (steps per millisecond=268 )
Random directed walk for 1250005 steps, including 0 resets, run took 5277 ms (no deadlock found). (steps per millisecond=236 )
[2024-05-27 14:30:06] [INFO ] Flow matrix only has 2760 transitions (discarded 336 similar events)
[2024-05-27 14:30:06] [INFO ] Invariant cache hit.
[2024-05-27 14:30:07] [INFO ] [Real]Absence check using 23 positive place invariants in 176 ms returned sat
[2024-05-27 14:30:07] [INFO ] [Real]Absence check using 23 positive and 8 generalized place invariants in 97 ms returned unsat
[2024-05-27 14:30:07] [INFO ] Unfolded HLPN to a Petri net with 2048 places and 3208 transitions 10032 arcs in 21 ms.
[2024-05-27 14:30:07] [INFO ] Unfolded 14 HLPN properties in 1 ms.
Initial state reduction rules removed 1 formulas.
Deduced a syphon composed of 56 places in 7 ms
Reduce places removed 56 places and 112 transitions.
RANDOM walk for 40000 steps (8 resets) in 2667 ms. (14 steps per ms) remains 1/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 497 ms. (80 steps per ms) remains 1/1 properties
[2024-05-27 14:30:08] [INFO ] Flow matrix only has 2760 transitions (discarded 336 similar events)
[2024-05-27 14:30:08] [INFO ] Invariant cache hit.
[2024-05-27 14:30:08] [INFO ] State equation strengthened by 497 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/56 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1872/1928 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1928 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/1936 variables, 8/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1936 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2760/4696 variables, 1936/1960 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4696 variables, 497/2457 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4696 variables, 0/2457 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 56/4752 variables, 56/2513 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/4752 variables, 7/2520 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/4752 variables, 0/2520 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/4752 variables, 0/2520 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4752/4752 variables, and 2520 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2022 ms.
Refiners :[Positive P Invariants (semi-flows): 23/23 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 1992/1992 constraints, ReadFeed: 497/497 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/56 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1872/1928 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1928 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/1936 variables, 8/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1936 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2760/4696 variables, 1936/1960 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4696 variables, 497/2457 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4696 variables, 1/2458 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/4696 variables, 0/2458 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 56/4752 variables, 56/2514 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/4752 variables, 7/2521 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-27 14:30:15] [INFO ] Deduced a trap composed of 368 places in 2102 ms of which 152 ms to minimize.
[2024-05-27 14:30:18] [INFO ] Deduced a trap composed of 55 places in 2868 ms of which 29 ms to minimize.
SMT process timed out in 9230ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 56 out of 1992 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1992/1992 places, 3096/3096 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 882 transitions
Trivial Post-agglo rules discarded 882 transitions
Performed 882 trivial Post agglomeration. Transition count delta: 882
Iterating post reduction 0 with 882 rules applied. Total rules applied 882 place count 1992 transition count 2214
Reduce places removed 882 places and 0 transitions.
Iterating post reduction 1 with 882 rules applied. Total rules applied 1764 place count 1110 transition count 2214
Performed 455 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 455 Pre rules applied. Total rules applied 1764 place count 1110 transition count 1759
Deduced a syphon composed of 455 places in 5 ms
Reduce places removed 455 places and 0 transitions.
Iterating global reduction 2 with 910 rules applied. Total rules applied 2674 place count 655 transition count 1759
Applied a total of 2674 rules in 575 ms. Remains 655 /1992 variables (removed 1337) and now considering 1759/3096 (removed 1337) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 576 ms. Remains : 655/1992 places, 1759/3096 transitions.
RANDOM walk for 4000000 steps (8 resets) in 20832 ms. (192 steps per ms) remains 1/1 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 9888 ms. (404 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 97 steps, run visited all 1 properties in 13 ms. (steps per millisecond=7 )
Probabilistic random walk after 97 steps, saw 89 distinct states, run finished after 22 ms. (steps per millisecond=4 ) properties seen :1
Able to resolve query QuasiLiveness after proving 14 properties.
Net is quasi-live, checking if it is reversible to establish liveness.
Net is conservative; using simplified expression for initial state.
Deduced a syphon composed of 56 places in 4 ms
Reduce places removed 56 places and 112 transitions.
Unable to solve all queries for examination Liveness. Remains :1 assertions to prove.
Deduced a syphon composed of 56 places in 5 ms
Reduce places removed 56 places and 112 transitions.
Unable to solve all queries for examination Liveness. Remains :14 assertions to prove.
No /home/mcc/execution/Liveness.xml examination file found. Proceeding without properties.
Parsed 14 properties from file /home/mcc/execution/Liveness.xml in 2 ms.
Working with output stream class java.io.PrintStream
Total runtime 70117 ms.
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running Peterson-COL-7

IS_COLORED=1
IS_NUPN=

LOADING model.pnml ...
MODEL CLASS: SYMMETRIC NET
PLACES: 11
TRANSITIONS: 14
CONSTANTS: 0
TEMPLATE VARS: 0
COLOR CLASSES: 7
COLOR VARS: 3
ARCS: 42
LOADING TIME: 0.307

UNFOLDING COLORS...
MODEL CLASS: P/T NET
PLACES: 2048
TRANSITIONS: 3208
CONSTANTS: 0
TEMPLATE VARS: 0
ARCS: 10032
UNFOLDING TIME: 0.88

SAVING AS /home/mcc/execution/model.(net/def) ...
exportGspn useExt=true
SAVING TIME: 0.2
SAVING NAME MAP FILE /home/mcc/execution/model.id2name ...
SAVING UNFOLDING MAP FILE /home/mcc/execution/model.unfmap ...
TOTAL TIME: 1.766
OK.
----------------------------------------------------------------------
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: 577
MODEL NAME: /home/mcc/execution/model
2048 places, 3208 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.

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 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="Peterson-COL-7"
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 Peterson-COL-7, 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 r276-smll-171654416100154"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Peterson-COL-7.tgz
mv Peterson-COL-7 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 ;