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.r149-smll-167819435100009.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 Dekker-PT-015, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r149-smll-167819435100009
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 620K
-rw-r--r-- 1 mcc users 7.8K Feb 26 01:43 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Feb 26 01:43 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Feb 26 01:41 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Feb 26 01:41 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 15:56 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 15:56 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 15:56 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 15:56 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Feb 26 01:45 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 166K Feb 26 01:45 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.1K Feb 26 01:44 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 56K Feb 26 01:44 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 15:56 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 15:56 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 141K 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 Liveness

=== Now, execution of the tool begins

BK_START 1678364757334

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=Dekker-PT-015
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-09 12:26:00] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2023-03-09 12:26:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-09 12:26:00] [INFO ] Load time of PNML (sax parser for PT used): 106 ms
[2023-03-09 12:26:00] [INFO ] Transformed 75 places.
[2023-03-09 12:26:00] [INFO ] Transformed 255 transitions.
[2023-03-09 12:26:00] [INFO ] Found NUPN structural information;
[2023-03-09 12:26:00] [INFO ] Parsed PT model containing 75 places and 255 transitions and 1830 arcs in 220 ms.
Built sparse matrix representations for Structural reductions in 10 ms.25574KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 75/75 places, 255/255 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 55 ms. Remains 75 /75 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 55 ms. Remains : 75/75 places, 255/255 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 75/75 places, 255/255 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 31 ms. Remains 75 /75 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2023-03-09 12:26:00] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
// Phase 1: matrix 60 rows 75 cols
[2023-03-09 12:26:00] [INFO ] Computed 45 place invariants in 11 ms
[2023-03-09 12:26:01] [INFO ] Implicit Places using invariants in 327 ms returned []
[2023-03-09 12:26:01] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2023-03-09 12:26:01] [INFO ] Invariant cache hit.
[2023-03-09 12:26:01] [INFO ] State equation strengthened by 15 read => feed constraints.
[2023-03-09 12:26:01] [INFO ] Implicit Places using invariants and state equation in 157 ms returned []
Implicit Place search using SMT with State Equation took 524 ms to find 0 implicit places.
[2023-03-09 12:26:01] [INFO ] Redundant transitions in 14 ms returned []
[2023-03-09 12:26:01] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2023-03-09 12:26:01] [INFO ] Invariant cache hit.
[2023-03-09 12:26:01] [INFO ] Dead Transitions using invariants and state equation in 255 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 838 ms. Remains : 75/75 places, 255/255 transitions.
Random walk for 1250000 steps, including 0 resets, run took 4341 ms (no deadlock found). (steps per millisecond=287 )
Random directed walk for 1250001 steps, including 0 resets, run took 4126 ms (no deadlock found). (steps per millisecond=302 )
[2023-03-09 12:26:10] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2023-03-09 12:26:10] [INFO ] Invariant cache hit.
[2023-03-09 12:26:10] [INFO ] [Real]Absence check using 30 positive place invariants in 15 ms returned sat
[2023-03-09 12:26:10] [INFO ] [Real]Absence check using 30 positive and 15 generalized place invariants in 2 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 75/75 places, 255/255 transitions.
Applied a total of 0 rules in 4 ms. Remains 75 /75 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2023-03-09 12:26:10] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2023-03-09 12:26:10] [INFO ] Invariant cache hit.
[2023-03-09 12:26:10] [INFO ] Implicit Places using invariants in 218 ms returned [30, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63, 66, 69, 72]
Discarding 15 places :
Implicit Place search using SMT only with invariants took 222 ms to find 15 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 60/75 places, 255/255 transitions.
Applied a total of 0 rules in 2 ms. Remains 60 /60 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 232 ms. Remains : 60/75 places, 255/255 transitions.
Discarding 15 transitions out of 255. Remains 240
Incomplete random walk after 10000 steps, including 2 resets, run finished after 634 ms. (steps per millisecond=15 ) properties (out of 240) seen :216
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 24) seen :2
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 22) seen :2
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 20) seen :2
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 18) seen :2
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 16) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 15) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 14) seen :2
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 12) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 11) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 10) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 9) seen :2
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 7) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 6) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 5) seen :2
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 3) seen :2
Finished Best-First random walk after 32 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=32 )
Able to resolve query QuasiLiveness after proving 240 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 75/75 places, 255/255 transitions.
Applied a total of 0 rules in 3 ms. Remains 75 /75 variables (removed 0) and now considering 255/255 (removed 0) transitions.
[2023-03-09 12:26:11] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
[2023-03-09 12:26:11] [INFO ] Invariant cache hit.
[2023-03-09 12:26:11] [INFO ] Implicit Places using invariants in 212 ms returned [30, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63, 66, 69, 72]
Discarding 15 places :
Implicit Place search using SMT only with invariants took 214 ms to find 15 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 60/75 places, 255/255 transitions.
Applied a total of 0 rules in 3 ms. Remains 60 /60 variables (removed 0) and now considering 255/255 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 220 ms. Remains : 60/75 places, 255/255 transitions.
Discarding 15 transitions out of 255. Remains 240
Unable to solve all queries for examination Liveness. Remains :240 assertions to prove.
No /home/mcc/execution/Liveness.xml examination file found. Proceeding without properties.
Parsed 240 properties from file /home/mcc/execution/Liveness.xml in 1 ms.
Working with output stream class java.io.PrintStream
Total runtime 11062 ms.
starting LoLA
BK_INPUT Dekker-PT-015
BK_EXAMINATION: Liveness
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution
GlobalProperty: Liveness

FORMULA Liveness TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1678364786874

--------------------
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 place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/model.pnml
lola: LAUNCH SYMM
lola: ..... withdraw_3_4: true
lola: ..... withdraw_2_3: true
lola: reporting
lola: not produced: 253
lola: goal oriented search: 2
lola: ..... try_8: true
lola: ..... withdraw_2_10: true
lola: ..... withdraw_8_2: true
lola: ..... withdraw_6_3: true
lola: reporting
lola: not produced: 249
lola: goal oriented search: 6
lola: ..... withdraw_11_14: true
lola: ..... withdraw_7_9: true
lola: ..... withdraw_9_5: true
lola: ..... withdraw_7_10: true
lola: ..... withdraw_6_7: true
lola: ..... withdraw_0_1: true
lola: ..... withdraw_10_12: true
lola: ..... withdraw_2_4: true
lola: ..... withdraw_9_1: true
lola: ..... withdraw_8_1: true
lola: ..... withdraw_5_1: true
lola: ..... withdraw_4_14: true
lola: ..... withdraw_14_11: true
lola: ..... withdraw_0_12: true
lola: ..... withdraw_3_5: true
lola: ..... withdraw_5_2: true
lola: ..... withdraw_6_8: true
lola: The net is live

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="Dekker-PT-015"
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 Dekker-PT-015, 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 r149-smll-167819435100009"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Dekker-PT-015.tgz
mv Dekker-PT-015 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 ;