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-167814496000581.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-08ringLL, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r117-tall-167814496000581
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 512K
-rw-r--r-- 1 mcc users 6.3K Feb 25 12:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K Feb 25 12:58 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.4K Feb 25 12:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 35K Feb 25 12:58 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K 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 2.3K Feb 25 15:55 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 15:55 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.4K Feb 25 12:59 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 86K Feb 25 12:59 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K Feb 25 12:59 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 86K Feb 25 12:59 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 15:55 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K 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 9 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 112K 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 1679418060199

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-08ringLL
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-21 17:01:01] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2023-03-21 17:01:01] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 17:01:01] [INFO ] Load time of PNML (sax parser for PT used): 54 ms
[2023-03-21 17:01:01] [INFO ] Transformed 27 places.
[2023-03-21 17:01:01] [INFO ] Transformed 260 transitions.
[2023-03-21 17:01:01] [INFO ] Parsed PT model containing 27 places and 260 transitions and 760 arcs in 246 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 4 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 5 ms.25593KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 27/27 places, 260/260 transitions.
Computed a total of 27 stabilizing places and 258 stable transitions
Computed a total of 27 stabilizing places and 258 stable transitions
Computed a total of 27 stabilizing places and 258 stable transitions
Applied a total of 0 rules in 48 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
[2023-03-21 17:01:02] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
// Phase 1: matrix 259 rows 27 cols
[2023-03-21 17:01:02] [INFO ] Computed 0 place invariants in 15 ms
[2023-03-21 17:01:02] [INFO ] Dead Transitions using invariants and state equation in 301 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 373 ms. Remains : 27/27 places, 260/260 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 27/27 places, 260/260 transitions.
Computed a total of 27 stabilizing places and 258 stable transitions
Computed a total of 27 stabilizing places and 258 stable transitions
Computed a total of 27 stabilizing places and 258 stable transitions
Applied a total of 0 rules in 9 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
[2023-03-21 17:01:02] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-21 17:01:02] [INFO ] Invariant cache hit.
[2023-03-21 17:01:02] [INFO ] Implicit Places using invariants in 52 ms returned []
[2023-03-21 17:01:02] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-21 17:01:02] [INFO ] Invariant cache hit.
[2023-03-21 17:01:02] [INFO ] State equation strengthened by 72 read => feed constraints.
[2023-03-21 17:01:02] [INFO ] Implicit Places using invariants and state equation in 303 ms returned []
Implicit Place search using SMT with State Equation took 358 ms to find 0 implicit places.
[2023-03-21 17:01:02] [INFO ] Redundant transitions in 11 ms returned []
[2023-03-21 17:01:02] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-21 17:01:02] [INFO ] Invariant cache hit.
[2023-03-21 17:01:02] [INFO ] Dead Transitions using invariants and state equation in 129 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 518 ms. Remains : 27/27 places, 260/260 transitions.
Random walk for 1250000 steps, including 101081 resets, run took 4233 ms (no deadlock found). (steps per millisecond=295 )
Random directed walk for 1250008 steps, including 23090 resets, run took 2827 ms (no deadlock found). (steps per millisecond=442 )
[2023-03-21 17:01:10] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-21 17:01:10] [INFO ] Invariant cache hit.
[2023-03-21 17:01:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-21 17:01:10] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2023-03-21 17:01:10] [INFO ] Solution in real domain found non-integer solution.
[2023-03-21 17:01:10] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-21 17:01:10] [INFO ] [Nat]Absence check using state equation in 76 ms returned sat
[2023-03-21 17:01:10] [INFO ] State equation strengthened by 72 read => feed constraints.
[2023-03-21 17:01:10] [INFO ] [Nat]Added 72 Read/Feed constraints in 30 ms returned sat
[2023-03-21 17:01:10] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 233 transitions) in 20 ms.
[2023-03-21 17:01:10] [INFO ] Added : 0 causal constraints over 0 iterations in 59 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 15 ms.
Parikh directed walk for 1500 steps, including 125 resets, run took 9 ms. (steps per millisecond=166 )
Random directed walk for 500011 steps, including 9235 resets, run took 1210 ms (no deadlock found). (steps per millisecond=413 )
Random walk for 500000 steps, including 40400 resets, run took 1675 ms (no deadlock found). (steps per millisecond=298 )
Random directed walk for 500006 steps, including 9267 resets, run took 1222 ms (no deadlock found). (steps per millisecond=409 )
Random walk for 500000 steps, including 40431 resets, run took 1655 ms (no deadlock found). (steps per millisecond=302 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 27/27 places, 260/260 transitions.
Computed a total of 27 stabilizing places and 258 stable transitions
Computed a total of 27 stabilizing places and 258 stable transitions
Computed a total of 27 stabilizing places and 258 stable transitions
Applied a total of 0 rules in 13 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
[2023-03-21 17:01:16] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-21 17:01:16] [INFO ] Invariant cache hit.
[2023-03-21 17:01:16] [INFO ] Implicit Places using invariants in 52 ms returned []
[2023-03-21 17:01:16] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-21 17:01:16] [INFO ] Invariant cache hit.
[2023-03-21 17:01:16] [INFO ] State equation strengthened by 72 read => feed constraints.
[2023-03-21 17:01:16] [INFO ] Implicit Places using invariants and state equation in 271 ms returned []
Implicit Place search using SMT with State Equation took 325 ms to find 0 implicit places.
[2023-03-21 17:01:16] [INFO ] Redundant transitions in 5 ms returned []
[2023-03-21 17:01:16] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-21 17:01:16] [INFO ] Invariant cache hit.
[2023-03-21 17:01:16] [INFO ] Dead Transitions using invariants and state equation in 86 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 442 ms. Remains : 27/27 places, 260/260 transitions.
Random walk for 1250000 steps, including 101094 resets, run took 4186 ms (no deadlock found). (steps per millisecond=298 )
Random directed walk for 1250002 steps, including 23057 resets, run took 3000 ms (no deadlock found). (steps per millisecond=416 )
[2023-03-21 17:01:23] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-21 17:01:23] [INFO ] Invariant cache hit.
[2023-03-21 17:01:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-21 17:01:23] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2023-03-21 17:01:23] [INFO ] Solution in real domain found non-integer solution.
[2023-03-21 17:01:23] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-21 17:01:23] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2023-03-21 17:01:23] [INFO ] State equation strengthened by 72 read => feed constraints.
[2023-03-21 17:01:23] [INFO ] [Nat]Added 72 Read/Feed constraints in 21 ms returned sat
[2023-03-21 17:01:24] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 233 transitions) in 21 ms.
[2023-03-21 17:01:24] [INFO ] Added : 0 causal constraints over 0 iterations in 42 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 2 ms.
Parikh directed walk for 1500 steps, including 126 resets, run took 6 ms. (steps per millisecond=250 )
Random directed walk for 500004 steps, including 9253 resets, run took 1191 ms (no deadlock found). (steps per millisecond=419 )
Random walk for 500000 steps, including 40414 resets, run took 1660 ms (no deadlock found). (steps per millisecond=301 )
Random directed walk for 500005 steps, including 9236 resets, run took 1190 ms (no deadlock found). (steps per millisecond=420 )
Random walk for 500000 steps, including 40385 resets, run took 1663 ms (no deadlock found). (steps per millisecond=300 )
[2023-03-21 17:01:29] [INFO ] Flatten gal took : 40 ms
[2023-03-21 17:01:29] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 1 ms.
[2023-03-21 17:01:29] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 27 places, 260 transitions and 760 arcs took 2 ms.
Total runtime 28346 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT DNAwalker-PT-08ringLL
BK_EXAMINATION: ReachabilityDeadlock
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/372
GlobalProperty: ReachabilityDeadlock

FORMULA ReachabilityDeadlock FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1679418255467

--------------------
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: No deadlock is reachable.

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-08ringLL"
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-08ringLL, 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-167814496000581"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-08ringLL.tgz
mv DNAwalker-PT-08ringLL 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 ;