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-167912725400724.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 UtilityControlRoom-PT-Z2T4N10, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r501-tall-167912725400724
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 19K Feb 26 14:46 CTLCardinality.txt
-rw-r--r-- 1 mcc users 110K Feb 26 14:46 CTLCardinality.xml
-rw-r--r-- 1 mcc users 26K Feb 26 14:44 CTLFireability.txt
-rw-r--r-- 1 mcc users 105K Feb 26 14:44 CTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 25 17:25 LTLCardinality.txt
-rw-r--r-- 1 mcc users 42K Feb 25 17:25 LTLCardinality.xml
-rw-r--r-- 1 mcc users 12K Feb 25 17:25 LTLFireability.txt
-rw-r--r-- 1 mcc users 43K Feb 25 17:25 LTLFireability.xml
-rw-r--r-- 1 mcc users 48K Feb 26 14:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 235K Feb 26 14:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 77K Feb 26 14:51 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 320K Feb 26 14:51 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 3.0K Feb 25 17:25 UpperBounds.txt
-rw-r--r-- 1 mcc users 6.4K Feb 25 17:25 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 116K 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 1679524288374

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=UtilityControlRoom-PT-Z2T4N10
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-22 22:31:30] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2023-03-22 22:31:30] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 22:31:30] [INFO ] Load time of PNML (sax parser for PT used): 55 ms
[2023-03-22 22:31:30] [INFO ] Transformed 174 places.
[2023-03-22 22:31:30] [INFO ] Transformed 270 transitions.
[2023-03-22 22:31:30] [INFO ] Parsed PT model containing 174 places and 270 transitions and 850 arcs in 148 ms.
Discarding 80 transitions out of 270. Remains 190
Ensure Unique test removed 40 transitions
Reduce redundant transitions removed 40 transitions.
Built sparse matrix representations for Structural reductions in 6 ms.21195KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 174/174 places, 230/230 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
Drop transitions removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 174 transition count 210
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 20 rules in 36 ms. Remains 174 /174 variables (removed 0) and now considering 210/230 (removed 20) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 36 ms. Remains : 174/174 places, 210/230 transitions.
Random walk for 1250000 steps, including 0 resets, run took 1811 ms (no deadlock found). (steps per millisecond=690 )
Random directed walk for 1250002 steps, including 0 resets, run took 1661 ms (no deadlock found). (steps per millisecond=752 )
// Phase 1: matrix 210 rows 174 cols
[2023-03-22 22:31:34] [INFO ] Computed 23 place invariants in 9 ms
[2023-03-22 22:31:34] [INFO ] [Real]Absence check using 23 positive place invariants in 9 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 174/174 places, 270/270 transitions.
Ensure Unique test removed 40 transitions
Reduce isomorphic transitions removed 40 transitions.
Drop transitions removed 40 transitions
Trivial Post-agglo rules discarded 40 transitions
Performed 40 trivial Post agglomeration. Transition count delta: 40
Iterating post reduction 0 with 80 rules applied. Total rules applied 80 place count 174 transition count 190
Reduce places removed 40 places and 0 transitions.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 1 with 60 rules applied. Total rules applied 140 place count 134 transition count 170
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 20 Pre rules applied. Total rules applied 140 place count 134 transition count 150
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 180 place count 114 transition count 150
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 220 place count 94 transition count 130
Applied a total of 220 rules in 15 ms. Remains 94 /174 variables (removed 80) and now considering 130/270 (removed 140) transitions.
// Phase 1: matrix 130 rows 94 cols
[2023-03-22 22:31:34] [INFO ] Computed 23 place invariants in 1 ms
[2023-03-22 22:31:34] [INFO ] Implicit Places using invariants in 123 ms returned [52, 53]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 125 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 92/174 places, 130/270 transitions.
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 0 with 40 rules applied. Total rules applied 40 place count 72 transition count 110
Applied a total of 40 rules in 3 ms. Remains 72 /92 variables (removed 20) and now considering 110/130 (removed 20) transitions.
// Phase 1: matrix 110 rows 72 cols
[2023-03-22 22:31:34] [INFO ] Computed 21 place invariants in 1 ms
[2023-03-22 22:31:34] [INFO ] Implicit Places using invariants in 123 ms returned []
[2023-03-22 22:31:34] [INFO ] Invariant cache hit.
[2023-03-22 22:31:34] [INFO ] Implicit Places using invariants and state equation in 97 ms returned []
Implicit Place search using SMT with State Equation took 222 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 72/174 places, 110/270 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 365 ms. Remains : 72/174 places, 110/270 transitions.
Discarding 20 transitions out of 110. Remains 90
Initial state reduction rules removed 10 formulas.
Finished random walk after 1317 steps, including 0 resets, run visited all 80 properties in 119 ms. (steps per millisecond=11 )
Able to resolve query QuasiLiveness after proving 90 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 174/174 places, 270/270 transitions.
Ensure Unique test removed 40 transitions
Reduce isomorphic transitions removed 40 transitions.
Drop transitions removed 40 transitions
Trivial Post-agglo rules discarded 40 transitions
Performed 40 trivial Post agglomeration. Transition count delta: 40
Iterating post reduction 0 with 80 rules applied. Total rules applied 80 place count 174 transition count 190
Reduce places removed 40 places and 0 transitions.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 1 with 60 rules applied. Total rules applied 140 place count 134 transition count 170
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 20 Pre rules applied. Total rules applied 140 place count 134 transition count 150
Deduced a syphon composed of 20 places in 1 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 180 place count 114 transition count 150
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 220 place count 94 transition count 130
Applied a total of 220 rules in 13 ms. Remains 94 /174 variables (removed 80) and now considering 130/270 (removed 140) transitions.
// Phase 1: matrix 130 rows 94 cols
[2023-03-22 22:31:34] [INFO ] Computed 23 place invariants in 1 ms
[2023-03-22 22:31:34] [INFO ] Implicit Places using invariants in 135 ms returned [52, 53]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 136 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 92/174 places, 130/270 transitions.
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 0 with 40 rules applied. Total rules applied 40 place count 72 transition count 110
Applied a total of 40 rules in 2 ms. Remains 72 /92 variables (removed 20) and now considering 110/130 (removed 20) transitions.
// Phase 1: matrix 110 rows 72 cols
[2023-03-22 22:31:34] [INFO ] Computed 21 place invariants in 1 ms
[2023-03-22 22:31:34] [INFO ] Implicit Places using invariants in 71 ms returned []
[2023-03-22 22:31:34] [INFO ] Invariant cache hit.
[2023-03-22 22:31:35] [INFO ] Implicit Places using invariants and state equation in 105 ms returned []
Implicit Place search using SMT with State Equation took 178 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 72/174 places, 110/270 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 332 ms. Remains : 72/174 places, 110/270 transitions.
Discarding 20 transitions out of 110. Remains 90
Unable to solve all queries for examination Liveness. Remains :90 assertions to prove.
No /home/mcc/execution/Liveness.xml examination file found. Proceeding without properties.
Parsed 90 properties from file /home/mcc/execution/Liveness.xml in 0 ms.
Working with output stream class java.io.PrintStream
Total runtime 4812 ms.
starting LoLA
BK_INPUT UtilityControlRoom-PT-Z2T4N10
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 1679524315331

--------------------
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:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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: reporting
lola: not produced: 110
lola: reporting
lola: not produced: 110
lola: reporting
lola: not produced: 110
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="UtilityControlRoom-PT-Z2T4N10"
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 UtilityControlRoom-PT-Z2T4N10, 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-167912725400724"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/UtilityControlRoom-PT-Z2T4N10.tgz
mv UtilityControlRoom-PT-Z2T4N10 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 ;