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-167912725400714.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-Z2T4N06, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r501-tall-167912725400714
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 968K
-rw-r--r-- 1 mcc users 18K Feb 26 14:45 CTLCardinality.txt
-rw-r--r-- 1 mcc users 115K Feb 26 14:45 CTLCardinality.xml
-rw-r--r-- 1 mcc users 29K Feb 26 14:43 CTLFireability.txt
-rw-r--r-- 1 mcc users 146K Feb 26 14:43 CTLFireability.xml
-rw-r--r-- 1 mcc users 9.6K Feb 25 17:25 LTLCardinality.txt
-rw-r--r-- 1 mcc users 40K 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 42K Feb 25 17:25 LTLFireability.xml
-rw-r--r-- 1 mcc users 43K Feb 26 14:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 218K Feb 26 14:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 33K Feb 26 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 146K Feb 26 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 17:25 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.2K 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 70K 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 1679524261514

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-Z2T4N06
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-22 22:31:03] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2023-03-22 22:31:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 22:31:03] [INFO ] Load time of PNML (sax parser for PT used): 62 ms
[2023-03-22 22:31:03] [INFO ] Transformed 106 places.
[2023-03-22 22:31:03] [INFO ] Transformed 162 transitions.
[2023-03-22 22:31:03] [INFO ] Parsed PT model containing 106 places and 162 transitions and 510 arcs in 443 ms.
Discarding 48 transitions out of 162. Remains 114
Ensure Unique test removed 24 transitions
Reduce redundant transitions removed 24 transitions.
Built sparse matrix representations for Structural reductions in 7 ms.26963KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 106/106 places, 138/138 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 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 106 transition count 126
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 12 rules in 24 ms. Remains 106 /106 variables (removed 0) and now considering 126/138 (removed 12) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 25 ms. Remains : 106/106 places, 126/138 transitions.
Random walk for 1250000 steps, including 0 resets, run took 1331 ms (no deadlock found). (steps per millisecond=939 )
Random directed walk for 1250006 steps, including 0 resets, run took 1227 ms (no deadlock found). (steps per millisecond=1018 )
// Phase 1: matrix 126 rows 106 cols
[2023-03-22 22:31:06] [INFO ] Computed 15 place invariants in 12 ms
[2023-03-22 22:31:06] [INFO ] [Real]Absence check using 15 positive place invariants in 7 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 106/106 places, 162/162 transitions.
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Drop transitions removed 24 transitions
Trivial Post-agglo rules discarded 24 transitions
Performed 24 trivial Post agglomeration. Transition count delta: 24
Iterating post reduction 0 with 48 rules applied. Total rules applied 48 place count 106 transition count 114
Reduce places removed 24 places and 0 transitions.
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 1 with 36 rules applied. Total rules applied 84 place count 82 transition count 102
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 12 Pre rules applied. Total rules applied 84 place count 82 transition count 90
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 108 place count 70 transition count 90
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 132 place count 58 transition count 78
Applied a total of 132 rules in 14 ms. Remains 58 /106 variables (removed 48) and now considering 78/162 (removed 84) transitions.
// Phase 1: matrix 78 rows 58 cols
[2023-03-22 22:31:06] [INFO ] Computed 15 place invariants in 2 ms
[2023-03-22 22:31:07] [INFO ] Implicit Places using invariants in 157 ms returned [32, 33]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 160 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 56/106 places, 78/162 transitions.
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 0 with 24 rules applied. Total rules applied 24 place count 44 transition count 66
Applied a total of 24 rules in 2 ms. Remains 44 /56 variables (removed 12) and now considering 66/78 (removed 12) transitions.
// Phase 1: matrix 66 rows 44 cols
[2023-03-22 22:31:07] [INFO ] Computed 13 place invariants in 1 ms
[2023-03-22 22:31:07] [INFO ] Implicit Places using invariants in 38 ms returned []
[2023-03-22 22:31:07] [INFO ] Invariant cache hit.
[2023-03-22 22:31:07] [INFO ] Implicit Places using invariants and state equation in 59 ms returned []
Implicit Place search using SMT with State Equation took 98 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 44/106 places, 66/162 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 275 ms. Remains : 44/106 places, 66/162 transitions.
Discarding 12 transitions out of 66. Remains 54
Initial state reduction rules removed 6 formulas.
Finished random walk after 1045 steps, including 0 resets, run visited all 48 properties in 71 ms. (steps per millisecond=14 )
Able to resolve query QuasiLiveness after proving 54 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 106/106 places, 162/162 transitions.
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Drop transitions removed 24 transitions
Trivial Post-agglo rules discarded 24 transitions
Performed 24 trivial Post agglomeration. Transition count delta: 24
Iterating post reduction 0 with 48 rules applied. Total rules applied 48 place count 106 transition count 114
Reduce places removed 24 places and 0 transitions.
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 1 with 36 rules applied. Total rules applied 84 place count 82 transition count 102
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 12 Pre rules applied. Total rules applied 84 place count 82 transition count 90
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 108 place count 70 transition count 90
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 132 place count 58 transition count 78
Applied a total of 132 rules in 20 ms. Remains 58 /106 variables (removed 48) and now considering 78/162 (removed 84) transitions.
// Phase 1: matrix 78 rows 58 cols
[2023-03-22 22:31:07] [INFO ] Computed 15 place invariants in 1 ms
[2023-03-22 22:31:07] [INFO ] Implicit Places using invariants in 193 ms returned [32, 33]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 195 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 56/106 places, 78/162 transitions.
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 0 with 24 rules applied. Total rules applied 24 place count 44 transition count 66
Applied a total of 24 rules in 3 ms. Remains 44 /56 variables (removed 12) and now considering 66/78 (removed 12) transitions.
// Phase 1: matrix 66 rows 44 cols
[2023-03-22 22:31:07] [INFO ] Computed 13 place invariants in 2 ms
[2023-03-22 22:31:07] [INFO ] Implicit Places using invariants in 105 ms returned []
[2023-03-22 22:31:07] [INFO ] Invariant cache hit.
[2023-03-22 22:31:07] [INFO ] Implicit Places using invariants and state equation in 76 ms returned []
Implicit Place search using SMT with State Equation took 186 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 44/106 places, 66/162 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 404 ms. Remains : 44/106 places, 66/162 transitions.
Discarding 12 transitions out of 66. Remains 54
Unable to solve all queries for examination Liveness. Remains :54 assertions to prove.
No /home/mcc/execution/Liveness.xml examination file found. Proceeding without properties.
Parsed 54 properties from file /home/mcc/execution/Liveness.xml in 0 ms.
Working with output stream class java.io.PrintStream
Total runtime 4167 ms.
starting LoLA
BK_INPUT UtilityControlRoom-PT-Z2T4N06
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 1679524268625

--------------------
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'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
++ sed s/.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="UtilityControlRoom-PT-Z2T4N06"
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-Z2T4N06, 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-167912725400714"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/UtilityControlRoom-PT-Z2T4N06.tgz
mv UtilityControlRoom-PT-Z2T4N06 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 ;