Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r373-smll-167891824500154.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.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 2-5348
Executing tool lolaxred
Input is SafeBus-COL-50, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r373-smll-167891824500154
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 440K
-rw-r--r-- 1 mcc users 5.5K Feb 26 01:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 49K Feb 26 01:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Feb 26 01:29 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Feb 26 01:29 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:49 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Feb 25 16:49 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:49 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:49 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 26 01:29 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 133K Feb 26 01:29 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Feb 26 01:29 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 37K Feb 26 01:29 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_pt
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 43K Mar 5 18:23 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 1679047147853

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=lolaxred
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SafeBus-COL-50
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-17 09:59:10] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2023-03-17 09:59:10] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 09:59:11] [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.
[2023-03-17 09:59:11] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-17 09:59:11] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 800 ms
[2023-03-17 09:59:11] [INFO ] Detected 1 constant HL places corresponding to 50 PT places.
[2023-03-17 09:59:11] [INFO ] Imported 20 HL places and 14 HL transitions for a total of 5606 PT places and 6520101.0 transition bindings in 35 ms.
[2023-03-17 09:59:11] [INFO ] Built PT skeleton of HLPN with 20 places and 14 transitions 68 arcs in 18 ms.
[2023-03-17 09:59:11] [INFO ] Skeletonized 0 HLPN properties in 0 ms.
[2023-03-17 09:59:13] [INFO ] Unfolded HLPN to a Petri net with 5606 places and 140251 transitions 1078454 arcs in 1363 ms.
[2023-03-17 09:59:13] [INFO ] Unfolded 0 HLPN properties in 0 ms.
[2023-03-17 09:59:14] [INFO ] Unfolded HLPN to a Petri net with 5606 places and 140251 transitions 1078454 arcs in 1187 ms.
[2023-03-17 09:59:14] [INFO ] Unfolded 14 HLPN properties in 97 ms.
[2023-03-17 09:59:15] [INFO ] Reduced 2400 identical enabling conditions.
[2023-03-17 09:59:16] [INFO ] Built PT skeleton of HLPN with 20 places and 14 transitions 68 arcs in 1 ms.
[2023-03-17 09:59:16] [INFO ] Skeletonized 14 HLPN properties in 2 ms.
Reduce places removed 3 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 [It(50), It(50)] of place AMC breaks symmetries in sort It
[2023-03-17 09:59:16] [INFO ] Unfolded HLPN to a Petri net with 5606 places and 140251 transitions 1078454 arcs in 870 ms.
[2023-03-17 09:59:16] [INFO ] Unfolded 14 HLPN properties in 10 ms.
[2023-03-17 09:59:17] [INFO ] Reduced 2400 identical enabling conditions.
Deduced a syphon composed of 50 places in 382 ms
Reduce places removed 100 places and 100 transitions.
Built sparse matrix representations for Structural reductions in 116 ms.857622KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 5506/5506 places, 140151/140151 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 1958 ms. Remains 5506 /5506 variables (removed 0) and now considering 140151/140151 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 1977 ms. Remains : 5506/5506 places, 140151/140151 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 5506/5506 places, 140151/140151 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 1751 ms. Remains 5506 /5506 variables (removed 0) and now considering 140151/140151 (removed 0) transitions.
[2023-03-17 09:59:23] [INFO ] Flow matrix only has 15202 transitions (discarded 124949 similar events)
// Phase 1: matrix 15202 rows 5506 cols
[2023-03-17 09:59:24] [INFO ] Computed 205 place invariants in 1825 ms
[2023-03-17 09:59:26] [INFO ] Implicit Places using invariants in 3430 ms returned []
Implicit Place search using SMT only with invariants took 3475 ms to find 0 implicit places.
[2023-03-17 09:59:26] [INFO ] Flow matrix only has 15202 transitions (discarded 124949 similar events)
[2023-03-17 09:59:26] [INFO ] Invariant cache hit.
[2023-03-17 09:59:27] [INFO ] Dead Transitions using invariants and state equation in 1147 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 6376 ms. Remains : 5506/5506 places, 140151/140151 transitions.
Interrupted Random walk after 43972 steps, including 0 resets, run timeout after 30005 ms. (steps per millisecond=1 )
[2023-03-17 09:59:57] [INFO ] Flow matrix only has 15202 transitions (discarded 124949 similar events)
[2023-03-17 09:59:57] [INFO ] Invariant cache hit.
[2023-03-17 10:02:50] [INFO ] [Real]Absence check using 101 positive place invariants in 2063 ms returned sat
[2023-03-17 10:02:56] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-17 10:02:59] [INFO ] [Real]Absence check using 101 positive and 104 generalized place invariants in 9067 ms returned unknown
Interrupted Random directed walk after 85807 steps, including 0 resets, run timeout after 30003 ms. (steps per millisecond=2 )
Interrupted Random walk after 35903 steps, including 0 resets, run timeout after 30007 ms. (steps per millisecond=1 )
Interrupted Random directed walk after 87528 steps, including 0 resets, run timeout after 30002 ms. (steps per millisecond=2 )
Interrupted Random walk after 45141 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=1 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 5506/5506 places, 140151/140151 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 1443 ms. Remains 5506 /5506 variables (removed 0) and now considering 140151/140151 (removed 0) transitions.
[2023-03-17 10:05:01] [INFO ] Flow matrix only has 15202 transitions (discarded 124949 similar events)
[2023-03-17 10:05:01] [INFO ] Invariant cache hit.
[2023-03-17 10:05:02] [INFO ] Implicit Places using invariants in 896 ms returned []
Implicit Place search using SMT only with invariants took 898 ms to find 0 implicit places.
[2023-03-17 10:05:02] [INFO ] Flow matrix only has 15202 transitions (discarded 124949 similar events)
[2023-03-17 10:05:02] [INFO ] Invariant cache hit.
[2023-03-17 10:05:03] [INFO ] Dead Transitions using invariants and state equation in 844 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 3188 ms. Remains : 5506/5506 places, 140151/140151 transitions.
Interrupted Random walk after 36377 steps, including 0 resets, run timeout after 30005 ms. (steps per millisecond=1 )
[2023-03-17 10:05:33] [INFO ] Flow matrix only has 15202 transitions (discarded 124949 similar events)
[2023-03-17 10:05:33] [INFO ] Invariant cache hit.
[2023-03-17 10:08:28] [INFO ] [Real]Absence check using 101 positive place invariants in 2294 ms returned sat
[2023-03-17 10:08:34] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-17 10:08:37] [INFO ] [Real]Absence check using 101 positive and 104 generalized place invariants in 9218 ms returned unknown
Interrupted Random directed walk after 82375 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=2 )
Interrupted Random walk after 41138 steps, including 0 resets, run timeout after 30005 ms. (steps per millisecond=1 )
Interrupted Random directed walk after 83933 steps, including 0 resets, run timeout after 30003 ms. (steps per millisecond=2 )
Interrupted Random walk after 42871 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=1 )
[2023-03-17 10:10:49] [INFO ] Flatten gal took : 8990 ms
[2023-03-17 10:10:50] [INFO ] Unfolded HLPN to a Petri net with 5606 places and 140251 transitions 1078454 arcs in 736 ms.
[2023-03-17 10:10:50] [INFO ] Unfolded 14 HLPN properties in 4 ms.
Initial state reduction rules removed 1 formulas.
[2023-03-17 10:10:50] [INFO ] Reduced 2400 identical enabling conditions.
Deduced a syphon composed of 50 places in 213 ms
Reduce places removed 100 places and 100 transitions.
Finished random walk after 139 steps, including 0 resets, run visited all 13 properties in 212 ms. (steps per millisecond=0 )
Able to resolve query QuasiLiveness after proving 14 properties.
Deduced a syphon composed of 50 places in 232 ms
Reduce places removed 100 places and 100 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 1 ms.
Working with output stream class java.io.PrintStream
Total runtime 704562 ms.
starting LoLA
BK_INPUT SafeBus-COL-50
BK_EXAMINATION: Liveness
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution
GlobalProperty: Liveness
TIME LIMIT: Killed by timeout after 1800 seconds
MemTotal: 16393216 kB
MemFree: 3444200 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16119172 kB

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_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination Liveness -timeout 180 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/model.pnml
lola: reading pnml
lola: PNML file contains High-Level net
lola: finished parsing
lola: closed net file /home/mcc/execution/model.pnml
lola: TR BINDINGS
lola: TR BINDINGS DONE
lola: Places: 5606, Transitions: 140251
lola: @ trans C_free
lola: @ trans C_refuse
lola: @ trans loss_m
lola: @ trans loss_a
lola: @ trans I_ask1
lola: @ trans I_rec1
lola: @ trans I_reemit
lola: @ trans I_emit
lola: @ trans I_refused
lola: @ trans C_provide
lola: @ trans I_ask2
lola: @ trans I_rec2
lola: @ trans I_free
lola: @ trans Gto
lola: reporting
lola: not produced: 140251
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lola: LAUNCH SYMM
lola: reporting
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lola: 0 generators;15415225 candidates remain ( 0%), 0 secs
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lola: 0 generators;15415225 candidates remain ( 0%), 5 secs
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lola: 0 generators;14746039 candidates remain ( 0%), 35 secs
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lola: 0 generators;14697403 candidates remain ( 0%), 40 secs
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lola: 0 generators;14643346 candidates remain ( 0%), 45 secs
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lola: caught signal Terminated - aborting LoLA

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY


Time elapsed: 1091 secs. Pages in use: 4

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-COL-50"
export BK_EXAMINATION="Liveness"
export BK_TOOL="lolaxred"
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 2-5348"
echo " Executing tool lolaxred"
echo " Input is SafeBus-COL-50, 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 r373-smll-167891824500154"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SafeBus-COL-50.tgz
mv SafeBus-COL-50 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 ;