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.r117-tall-167814496000606.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)
........................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is DNAwalker-PT-13ringRLLarge, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r117-tall-167814496000606
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 552K
-rw-r--r-- 1 mcc users 6.3K Feb 25 13:02 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K Feb 25 13:02 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Feb 25 13:01 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Feb 25 13:01 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:55 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 15:55 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 15:55 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 15:55 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 25 13:03 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 110K Feb 25 13:03 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.3K Feb 25 13:03 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 66K Feb 25 13:03 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 15:55 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:55 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 14 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 135K Mar 5 18:22 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 1679418306743

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=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DNAwalker-PT-13ringRLLarge
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-21 17:05:08] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2023-03-21 17:05:08] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 17:05:08] [INFO ] Load time of PNML (sax parser for PT used): 52 ms
[2023-03-21 17:05:08] [INFO ] Transformed 33 places.
[2023-03-21 17:05:08] [INFO ] Transformed 312 transitions.
[2023-03-21 17:05:08] [INFO ] Parsed PT model containing 33 places and 312 transitions and 916 arcs in 112 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 2 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 3 ms.25209KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 33/33 places, 312/312 transitions.
Computed a total of 33 stabilizing places and 310 stable transitions
Computed a total of 33 stabilizing places and 310 stable transitions
Computed a total of 33 stabilizing places and 310 stable transitions
Applied a total of 0 rules in 24 ms. Remains 33 /33 variables (removed 0) and now considering 312/312 (removed 0) transitions.
[2023-03-21 17:05:08] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
// Phase 1: matrix 311 rows 33 cols
[2023-03-21 17:05:08] [INFO ] Computed 0 place invariants in 17 ms
[2023-03-21 17:05:08] [INFO ] Dead Transitions using invariants and state equation in 295 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 341 ms. Remains : 33/33 places, 312/312 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 33/33 places, 312/312 transitions.
Computed a total of 33 stabilizing places and 310 stable transitions
Computed a total of 33 stabilizing places and 310 stable transitions
Computed a total of 33 stabilizing places and 310 stable transitions
Applied a total of 0 rules in 13 ms. Remains 33 /33 variables (removed 0) and now considering 312/312 (removed 0) transitions.
[2023-03-21 17:05:08] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2023-03-21 17:05:08] [INFO ] Invariant cache hit.
[2023-03-21 17:05:08] [INFO ] Implicit Places using invariants in 63 ms returned []
[2023-03-21 17:05:08] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2023-03-21 17:05:08] [INFO ] Invariant cache hit.
[2023-03-21 17:05:08] [INFO ] State equation strengthened by 71 read => feed constraints.
[2023-03-21 17:05:09] [INFO ] Implicit Places using invariants and state equation in 367 ms returned []
Implicit Place search using SMT with State Equation took 432 ms to find 0 implicit places.
[2023-03-21 17:05:09] [INFO ] Redundant transitions in 15 ms returned []
[2023-03-21 17:05:09] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2023-03-21 17:05:09] [INFO ] Invariant cache hit.
[2023-03-21 17:05:09] [INFO ] Dead Transitions using invariants and state equation in 112 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 582 ms. Remains : 33/33 places, 312/312 transitions.
Random walk for 1250000 steps, including 96800 resets, run took 4498 ms (no deadlock found). (steps per millisecond=277 )
Random directed walk for 1250000 steps, including 21840 resets, run took 3090 ms (no deadlock found). (steps per millisecond=404 )
[2023-03-21 17:05:16] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2023-03-21 17:05:16] [INFO ] Invariant cache hit.
[2023-03-21 17:05:16] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-21 17:05:16] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2023-03-21 17:05:16] [INFO ] Solution in real domain found non-integer solution.
[2023-03-21 17:05:17] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-21 17:05:17] [INFO ] [Nat]Absence check using state equation in 195 ms returned sat
[2023-03-21 17:05:17] [INFO ] State equation strengthened by 71 read => feed constraints.
[2023-03-21 17:05:17] [INFO ] [Nat]Added 71 Read/Feed constraints in 142 ms returned sat
[2023-03-21 17:05:17] [INFO ] Computed and/alt/rep : 72/608/72 causal constraints (skipped 209 transitions) in 28 ms.
[2023-03-21 17:05:17] [INFO ] Added : 1 causal constraints over 1 iterations in 96 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 14 ms.
Parikh directed walk for 900 steps, including 99 resets, run took 6 ms. (steps per millisecond=150 )
Random directed walk for 500009 steps, including 8767 resets, run took 1231 ms (no deadlock found). (steps per millisecond=406 )
Random walk for 500000 steps, including 38698 resets, run took 1756 ms (no deadlock found). (steps per millisecond=284 )
Random directed walk for 500005 steps, including 8731 resets, run took 1234 ms (no deadlock found). (steps per millisecond=405 )
Random walk for 500000 steps, including 38737 resets, run took 1747 ms (no deadlock found). (steps per millisecond=286 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 33/33 places, 312/312 transitions.
Computed a total of 33 stabilizing places and 310 stable transitions
Computed a total of 33 stabilizing places and 310 stable transitions
Computed a total of 33 stabilizing places and 310 stable transitions
Applied a total of 0 rules in 14 ms. Remains 33 /33 variables (removed 0) and now considering 312/312 (removed 0) transitions.
[2023-03-21 17:05:23] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2023-03-21 17:05:23] [INFO ] Invariant cache hit.
[2023-03-21 17:05:23] [INFO ] Implicit Places using invariants in 42 ms returned []
[2023-03-21 17:05:23] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2023-03-21 17:05:23] [INFO ] Invariant cache hit.
[2023-03-21 17:05:23] [INFO ] State equation strengthened by 71 read => feed constraints.
[2023-03-21 17:05:23] [INFO ] Implicit Places using invariants and state equation in 320 ms returned []
Implicit Place search using SMT with State Equation took 364 ms to find 0 implicit places.
[2023-03-21 17:05:23] [INFO ] Redundant transitions in 4 ms returned []
[2023-03-21 17:05:23] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2023-03-21 17:05:23] [INFO ] Invariant cache hit.
[2023-03-21 17:05:23] [INFO ] Dead Transitions using invariants and state equation in 99 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 490 ms. Remains : 33/33 places, 312/312 transitions.
Random walk for 1250000 steps, including 96845 resets, run took 4323 ms (no deadlock found). (steps per millisecond=289 )
Random directed walk for 1250000 steps, including 21845 resets, run took 2993 ms (no deadlock found). (steps per millisecond=417 )
[2023-03-21 17:05:31] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2023-03-21 17:05:31] [INFO ] Invariant cache hit.
[2023-03-21 17:05:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-21 17:05:31] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2023-03-21 17:05:31] [INFO ] Solution in real domain found non-integer solution.
[2023-03-21 17:05:31] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-21 17:05:31] [INFO ] [Nat]Absence check using state equation in 194 ms returned sat
[2023-03-21 17:05:31] [INFO ] State equation strengthened by 71 read => feed constraints.
[2023-03-21 17:05:31] [INFO ] [Nat]Added 71 Read/Feed constraints in 133 ms returned sat
[2023-03-21 17:05:31] [INFO ] Computed and/alt/rep : 72/608/72 causal constraints (skipped 209 transitions) in 18 ms.
[2023-03-21 17:05:31] [INFO ] Added : 1 causal constraints over 1 iterations in 86 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 6 ms.
Parikh directed walk for 900 steps, including 99 resets, run took 5 ms. (steps per millisecond=180 )
Random directed walk for 500024 steps, including 8753 resets, run took 1187 ms (no deadlock found). (steps per millisecond=421 )
Random walk for 500000 steps, including 38702 resets, run took 1711 ms (no deadlock found). (steps per millisecond=292 )
Random directed walk for 500002 steps, including 8734 resets, run took 1209 ms (no deadlock found). (steps per millisecond=413 )
Random walk for 500000 steps, including 38622 resets, run took 1754 ms (no deadlock found). (steps per millisecond=285 )
[2023-03-21 17:05:37] [INFO ] Flatten gal took : 49 ms
[2023-03-21 17:05:37] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 0 ms.
[2023-03-21 17:05:37] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 33 places, 312 transitions and 916 arcs took 3 ms.
Total runtime 29776 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT DNAwalker-PT-13ringRLLarge
BK_EXAMINATION: ReachabilityDeadlock
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/372
GlobalProperty: ReachabilityDeadlock
TIME LIMIT: Killed by timeout after 1800 seconds
MemTotal: 16393216 kB
MemFree: 5198436 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16124236 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 ReachabilityDeadlock -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/372/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/372/model.pnml
lola: SIPHON RESULT 2
lola: caught signal Terminated - aborting LoLA

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY


Time elapsed: 1768 secs. Pages in use: 21

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="DNAwalker-PT-13ringRLLarge"
export BK_EXAMINATION="ReachabilityDeadlock"
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 DNAwalker-PT-13ringRLLarge, 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 r117-tall-167814496000606"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-13ringRLLarge.tgz
mv DNAwalker-PT-13ringRLLarge 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 ;