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-167912725400694.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-Z2T3N08, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r501-tall-167912725400694
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.3M
-rw-r--r-- 1 mcc users 19K Feb 26 14:42 CTLCardinality.txt
-rw-r--r-- 1 mcc users 104K Feb 26 14:42 CTLCardinality.xml
-rw-r--r-- 1 mcc users 26K Feb 26 14:40 CTLFireability.txt
-rw-r--r-- 1 mcc users 113K Feb 26 14:40 CTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 25 17:24 LTLCardinality.txt
-rw-r--r-- 1 mcc users 46K Feb 25 17:24 LTLCardinality.xml
-rw-r--r-- 1 mcc users 14K Feb 25 17:24 LTLFireability.txt
-rw-r--r-- 1 mcc users 47K Feb 25 17:24 LTLFireability.xml
-rw-r--r-- 1 mcc users 65K Feb 26 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 340K Feb 26 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 75K Feb 26 14:45 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 324K Feb 26 14:45 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.9K Feb 25 17:24 UpperBounds.txt
-rw-r--r-- 1 mcc users 6.1K Feb 25 17:24 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 93K 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 1679524198693

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-Z2T3N08
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-22 22:30:00] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2023-03-22 22:30:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 22:30:00] [INFO ] Load time of PNML (sax parser for PT used): 43 ms
[2023-03-22 22:30:00] [INFO ] Transformed 140 places.
[2023-03-22 22:30:00] [INFO ] Transformed 216 transitions.
[2023-03-22 22:30:00] [INFO ] Parsed PT model containing 140 places and 216 transitions and 680 arcs in 105 ms.
Discarding 64 transitions out of 216. Remains 152
Ensure Unique test removed 32 transitions
Reduce redundant transitions removed 32 transitions.
Built sparse matrix representations for Structural reductions in 6 ms.27419KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 140/140 places, 184/184 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 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 0 with 16 rules applied. Total rules applied 16 place count 140 transition count 168
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 16 rules in 24 ms. Remains 140 /140 variables (removed 0) and now considering 168/184 (removed 16) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 25 ms. Remains : 140/140 places, 168/184 transitions.
Random walk for 1250000 steps, including 0 resets, run took 1570 ms (no deadlock found). (steps per millisecond=796 )
Random directed walk for 1250004 steps, including 0 resets, run took 1476 ms (no deadlock found). (steps per millisecond=846 )
// Phase 1: matrix 168 rows 140 cols
[2023-03-22 22:30:03] [INFO ] Computed 19 place invariants in 15 ms
[2023-03-22 22:30:03] [INFO ] [Real]Absence check using 19 positive place invariants in 8 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 140/140 places, 216/216 transitions.
Ensure Unique test removed 32 transitions
Reduce isomorphic transitions removed 32 transitions.
Drop transitions removed 32 transitions
Trivial Post-agglo rules discarded 32 transitions
Performed 32 trivial Post agglomeration. Transition count delta: 32
Iterating post reduction 0 with 64 rules applied. Total rules applied 64 place count 140 transition count 152
Reduce places removed 32 places and 0 transitions.
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 1 with 48 rules applied. Total rules applied 112 place count 108 transition count 136
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 112 place count 108 transition count 120
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 144 place count 92 transition count 120
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 176 place count 76 transition count 104
Applied a total of 176 rules in 13 ms. Remains 76 /140 variables (removed 64) and now considering 104/216 (removed 112) transitions.
// Phase 1: matrix 104 rows 76 cols
[2023-03-22 22:30:03] [INFO ] Computed 19 place invariants in 2 ms
[2023-03-22 22:30:03] [INFO ] Implicit Places using invariants in 80 ms returned [42, 43]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 83 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 74/140 places, 104/216 transitions.
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 0 with 32 rules applied. Total rules applied 32 place count 58 transition count 88
Applied a total of 32 rules in 2 ms. Remains 58 /74 variables (removed 16) and now considering 88/104 (removed 16) transitions.
// Phase 1: matrix 88 rows 58 cols
[2023-03-22 22:30:03] [INFO ] Computed 17 place invariants in 1 ms
[2023-03-22 22:30:03] [INFO ] Implicit Places using invariants in 43 ms returned []
[2023-03-22 22:30:03] [INFO ] Invariant cache hit.
[2023-03-22 22:30:04] [INFO ] Implicit Places using invariants and state equation in 61 ms returned []
Implicit Place search using SMT with State Equation took 105 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 58/140 places, 88/216 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 203 ms. Remains : 58/140 places, 88/216 transitions.
Discarding 16 transitions out of 88. Remains 72
Initial state reduction rules removed 8 formulas.
Finished random walk after 1207 steps, including 0 resets, run visited all 64 properties in 62 ms. (steps per millisecond=19 )
Able to resolve query QuasiLiveness after proving 72 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 140/140 places, 216/216 transitions.
Ensure Unique test removed 32 transitions
Reduce isomorphic transitions removed 32 transitions.
Drop transitions removed 32 transitions
Trivial Post-agglo rules discarded 32 transitions
Performed 32 trivial Post agglomeration. Transition count delta: 32
Iterating post reduction 0 with 64 rules applied. Total rules applied 64 place count 140 transition count 152
Reduce places removed 32 places and 0 transitions.
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 1 with 48 rules applied. Total rules applied 112 place count 108 transition count 136
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 112 place count 108 transition count 120
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 144 place count 92 transition count 120
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 1 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 176 place count 76 transition count 104
Applied a total of 176 rules in 7 ms. Remains 76 /140 variables (removed 64) and now considering 104/216 (removed 112) transitions.
// Phase 1: matrix 104 rows 76 cols
[2023-03-22 22:30:04] [INFO ] Computed 19 place invariants in 1 ms
[2023-03-22 22:30:04] [INFO ] Implicit Places using invariants in 81 ms returned [42, 43]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 84 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 74/140 places, 104/216 transitions.
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 0 with 32 rules applied. Total rules applied 32 place count 58 transition count 88
Applied a total of 32 rules in 11 ms. Remains 58 /74 variables (removed 16) and now considering 88/104 (removed 16) transitions.
// Phase 1: matrix 88 rows 58 cols
[2023-03-22 22:30:04] [INFO ] Computed 17 place invariants in 0 ms
[2023-03-22 22:30:04] [INFO ] Implicit Places using invariants in 58 ms returned []
[2023-03-22 22:30:04] [INFO ] Invariant cache hit.
[2023-03-22 22:30:04] [INFO ] Implicit Places using invariants and state equation in 58 ms returned []
Implicit Place search using SMT with State Equation took 121 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 58/140 places, 88/216 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 224 ms. Remains : 58/140 places, 88/216 transitions.
Discarding 16 transitions out of 88. Remains 72
Unable to solve all queries for examination Liveness. Remains :72 assertions to prove.
No /home/mcc/execution/Liveness.xml examination file found. Proceeding without properties.
Parsed 72 properties from file /home/mcc/execution/Liveness.xml in 0 ms.
Working with output stream class java.io.PrintStream
Total runtime 3983 ms.
starting LoLA
BK_INPUT UtilityControlRoom-PT-Z2T3N08
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 1679524208940

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
++ perl -pe 's/.*\.//g'
+ 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="UtilityControlRoom-PT-Z2T3N08"
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-Z2T3N08, 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-167912725400694"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/UtilityControlRoom-PT-Z2T3N08.tgz
mv UtilityControlRoom-PT-Z2T3N08 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 ;