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.r501-tall-167912725200569.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 TwoPhaseLocking-PT-nC02000vN, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r501-tall-167912725200569
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 460K
-rw-r--r-- 1 mcc users 6.9K Feb 25 17:56 CTLCardinality.txt
-rw-r--r-- 1 mcc users 64K Feb 25 17:56 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Feb 25 17:55 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Feb 25 17:55 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 17:23 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 17:23 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 17:24 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 17:24 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 25 17:57 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 129K Feb 25 17:57 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 25 17:57 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 88K Feb 25 17:57 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 17:24 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 17:24 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 10 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 4.6K 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 1679523699586

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=TwoPhaseLocking-PT-nC02000vN
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-22 22:21:41] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2023-03-22 22:21:41] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 22:21:41] [INFO ] Load time of PNML (sax parser for PT used): 19 ms
[2023-03-22 22:21:41] [INFO ] Transformed 8 places.
[2023-03-22 22:21:41] [INFO ] Transformed 6 transitions.
[2023-03-22 22:21:41] [INFO ] Parsed PT model containing 8 places and 6 transitions and 18 arcs in 84 ms.
Built sparse matrix representations for Structural reductions in 9 ms.24760KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 8/8 places, 6/6 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 16 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 17 ms. Remains : 8/8 places, 6/6 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 8/8 places, 6/6 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 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2023-03-22 22:21:41] [INFO ] Computed 3 place invariants in 7 ms
[2023-03-22 22:21:41] [INFO ] Implicit Places using invariants in 129 ms returned []
[2023-03-22 22:21:41] [INFO ] Invariant cache hit.
[2023-03-22 22:21:41] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 184 ms to find 0 implicit places.
[2023-03-22 22:21:41] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-22 22:21:41] [INFO ] Invariant cache hit.
[2023-03-22 22:21:41] [INFO ] Dead Transitions using invariants and state equation in 32 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 226 ms. Remains : 8/8 places, 6/6 transitions.
Random walk for 1250001 steps, including 0 resets, run took 311 ms (no deadlock found). (steps per millisecond=4019 )
Random directed walk for 1250001 steps, including 0 resets, run took 354 ms (no deadlock found). (steps per millisecond=3531 )
[2023-03-22 22:21:42] [INFO ] Invariant cache hit.
[2023-03-22 22:21:42] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 8/8 places, 6/6 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 8 transition count 4
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 6 transition count 4
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 6 place count 5 transition count 3
Applied a total of 6 rules in 4 ms. Remains 5 /8 variables (removed 3) and now considering 3/6 (removed 3) transitions.
// Phase 1: matrix 3 rows 5 cols
[2023-03-22 22:21:42] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-22 22:21:42] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-22 22:21:42] [INFO ] Invariant cache hit.
[2023-03-22 22:21:42] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 59 ms to find 0 implicit places.
[2023-03-22 22:21:42] [INFO ] Invariant cache hit.
[2023-03-22 22:21:42] [INFO ] Dead Transitions using invariants and state equation in 19 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 5/8 places, 3/6 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 85 ms. Remains : 5/8 places, 3/6 transitions.
Initial state reduction rules removed 1 formulas.
Finished random walk after 1002 steps, including 0 resets, run visited all 2 properties in 7 ms. (steps per millisecond=143 )
Able to resolve query QuasiLiveness after proving 3 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 8/8 places, 6/6 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 8 transition count 4
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 6 transition count 4
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 6 place count 5 transition count 3
Applied a total of 6 rules in 1 ms. Remains 5 /8 variables (removed 3) and now considering 3/6 (removed 3) transitions.
[2023-03-22 22:21:42] [INFO ] Invariant cache hit.
[2023-03-22 22:21:42] [INFO ] Implicit Places using invariants in 21 ms returned []
[2023-03-22 22:21:42] [INFO ] Invariant cache hit.
[2023-03-22 22:21:42] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
[2023-03-22 22:21:42] [INFO ] Invariant cache hit.
[2023-03-22 22:21:42] [INFO ] Dead Transitions using invariants and state equation in 17 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 5/8 places, 3/6 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 66 ms. Remains : 5/8 places, 3/6 transitions.
Unable to solve all queries for examination Liveness. Remains :3 assertions to prove.
No /home/mcc/execution/Liveness.xml examination file found. Proceeding without properties.
Parsed 3 properties from file /home/mcc/execution/Liveness.xml in 1 ms.
Working with output stream class java.io.PrintStream
Total runtime 1258 ms.
starting LoLA
BK_INPUT TwoPhaseLocking-PT-nC02000vN
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 1679523703493

--------------------
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: 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="TwoPhaseLocking-PT-nC02000vN"
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 TwoPhaseLocking-PT-nC02000vN, 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 r501-tall-167912725200569"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/TwoPhaseLocking-PT-nC02000vN.tgz
mv TwoPhaseLocking-PT-nC02000vN 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 ;