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.r085-smll-167814406900339.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 CloudOpsManagement-PT-02560by01280, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r085-smll-167814406900339
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 468K
-rw-r--r-- 1 mcc users 11K Feb 26 01:14 CTLCardinality.txt
-rw-r--r-- 1 mcc users 97K Feb 26 01:14 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Feb 26 01:12 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Feb 26 01:12 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.3K Feb 25 15:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 15:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Feb 25 15:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 15:46 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 26 01:15 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 99K Feb 26 01:15 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.6K Feb 26 01:15 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K Feb 26 01:15 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Feb 25 15:46 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Feb 25 15:46 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 13 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 16K 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 1678237879168

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=CloudOpsManagement-PT-02560by01280
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-08 01:11:22] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2023-03-08 01:11:22] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-08 01:11:22] [INFO ] Load time of PNML (sax parser for PT used): 35 ms
[2023-03-08 01:11:22] [INFO ] Transformed 27 places.
[2023-03-08 01:11:22] [INFO ] Transformed 29 transitions.
[2023-03-08 01:11:22] [INFO ] Parsed PT model containing 27 places and 29 transitions and 94 arcs in 126 ms.
Discarding 10 transitions out of 29. Remains 19
Built sparse matrix representations for Structural reductions in 7 ms.24906KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 27/27 places, 29/29 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 18 ms. Remains 27 /27 variables (removed 0) and now considering 29/29 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 18 ms. Remains : 27/27 places, 29/29 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 27/27 places, 29/29 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 6 ms. Remains 27 /27 variables (removed 0) and now considering 29/29 (removed 0) transitions.
// Phase 1: matrix 29 rows 27 cols
[2023-03-08 01:11:22] [INFO ] Computed 11 place invariants in 21 ms
[2023-03-08 01:11:22] [INFO ] Implicit Places using invariants in 223 ms returned []
[2023-03-08 01:11:22] [INFO ] Invariant cache hit.
[2023-03-08 01:11:22] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-08 01:11:22] [INFO ] Implicit Places using invariants and state equation in 70 ms returned []
Implicit Place search using SMT with State Equation took 336 ms to find 0 implicit places.
[2023-03-08 01:11:22] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-08 01:11:22] [INFO ] Invariant cache hit.
[2023-03-08 01:11:22] [INFO ] Dead Transitions using invariants and state equation in 67 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 417 ms. Remains : 27/27 places, 29/29 transitions.
Random walk for 1250095 steps, including 0 resets, run took 587 ms (no deadlock found). (steps per millisecond=2129 )
Random directed walk for 1252471 steps, including 0 resets, run took 483 ms (no deadlock found). (steps per millisecond=2593 )
[2023-03-08 01:11:24] [INFO ] Invariant cache hit.
[2023-03-08 01:11:24] [INFO ] [Real]Absence check using 11 positive place invariants in 8 ms returned sat
[2023-03-08 01:11:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 01:11:24] [INFO ] [Real]Absence check using state equation in 17 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 27/27 places, 29/29 transitions.
Graph (trivial) has 9 edges and 27 vertex of which 8 / 27 are part of one of the 4 SCC in 4 ms
Free SCC test removed 4 places
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Applied a total of 1 rules in 7 ms. Remains 23 /27 variables (removed 4) and now considering 25/29 (removed 4) transitions.
[2023-03-08 01:11:24] [INFO ] Flow matrix only has 21 transitions (discarded 4 similar events)
// Phase 1: matrix 21 rows 23 cols
[2023-03-08 01:11:24] [INFO ] Computed 11 place invariants in 1 ms
[2023-03-08 01:11:24] [INFO ] Implicit Places using invariants in 86 ms returned [14, 16, 19]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 90 ms to find 3 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 20/27 places, 25/29 transitions.
Graph (trivial) has 11 edges and 20 vertex of which 6 / 20 are part of one of the 3 SCC in 0 ms
Free SCC test removed 3 places
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Applied a total of 1 rules in 15 ms. Remains 17 /20 variables (removed 3) and now considering 19/25 (removed 6) transitions.
[2023-03-08 01:11:24] [INFO ] Flow matrix only has 15 transitions (discarded 4 similar events)
// Phase 1: matrix 15 rows 17 cols
[2023-03-08 01:11:24] [INFO ] Computed 8 place invariants in 2 ms
[2023-03-08 01:11:24] [INFO ] Implicit Places using invariants in 65 ms returned []
[2023-03-08 01:11:24] [INFO ] Flow matrix only has 15 transitions (discarded 4 similar events)
[2023-03-08 01:11:24] [INFO ] Invariant cache hit.
[2023-03-08 01:11:24] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-08 01:11:24] [INFO ] Implicit Places using invariants and state equation in 79 ms returned []
Implicit Place search using SMT with State Equation took 146 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 17/27 places, 19/29 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 258 ms. Remains : 17/27 places, 19/29 transitions.
Discarding 9 transitions out of 19. Remains 10
Initial state reduction rules removed 3 formulas.
Incomplete random walk after 10250 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=379 ) properties (out of 7) seen :3
Finished Best-First random walk after 357 steps, including 0 resets, run visited all 4 properties in 6 ms. (steps per millisecond=59 )
Able to resolve query QuasiLiveness after proving 10 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 27/27 places, 29/29 transitions.
Graph (trivial) has 9 edges and 27 vertex of which 8 / 27 are part of one of the 4 SCC in 0 ms
Free SCC test removed 4 places
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Applied a total of 1 rules in 1 ms. Remains 23 /27 variables (removed 4) and now considering 25/29 (removed 4) transitions.
[2023-03-08 01:11:24] [INFO ] Flow matrix only has 21 transitions (discarded 4 similar events)
// Phase 1: matrix 21 rows 23 cols
[2023-03-08 01:11:24] [INFO ] Computed 11 place invariants in 1 ms
[2023-03-08 01:11:24] [INFO ] Implicit Places using invariants in 83 ms returned [14, 16, 19]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 96 ms to find 3 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 20/27 places, 25/29 transitions.
Graph (trivial) has 11 edges and 20 vertex of which 6 / 20 are part of one of the 3 SCC in 1 ms
Free SCC test removed 3 places
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Applied a total of 1 rules in 2 ms. Remains 17 /20 variables (removed 3) and now considering 19/25 (removed 6) transitions.
[2023-03-08 01:11:24] [INFO ] Flow matrix only has 15 transitions (discarded 4 similar events)
// Phase 1: matrix 15 rows 17 cols
[2023-03-08 01:11:24] [INFO ] Computed 8 place invariants in 1 ms
[2023-03-08 01:11:24] [INFO ] Implicit Places using invariants in 56 ms returned []
[2023-03-08 01:11:24] [INFO ] Flow matrix only has 15 transitions (discarded 4 similar events)
[2023-03-08 01:11:24] [INFO ] Invariant cache hit.
[2023-03-08 01:11:24] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-08 01:11:24] [INFO ] Implicit Places using invariants and state equation in 63 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 : 17/27 places, 19/29 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 220 ms. Remains : 17/27 places, 19/29 transitions.
Discarding 9 transitions out of 19. Remains 10
Unable to solve all queries for examination Liveness. Remains :10 assertions to prove.
No /home/mcc/execution/Liveness.xml examination file found. Proceeding without properties.
Parsed 10 properties from file /home/mcc/execution/Liveness.xml in 1 ms.
Working with output stream class java.io.PrintStream
Total runtime 2327 ms.
starting LoLA
BK_INPUT CloudOpsManagement-PT-02560by01280
BK_EXAMINATION: Liveness
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution
GlobalProperty: Liveness

FORMULA Liveness FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1678237886522

--------------------
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: ..... SetupSc: false
lola: INDIVIDUAL RESULTS
lola: SetupSc: false (by universal search)
lola: DeployWsr1: void (by not produced)
lola: DeployWsr2: void (by not produced)
lola: DeployWsr3: void (by not produced)
lola: UndeployWsr1: void (by not produced)
lola: UndeployWsr2: void (by not produced)
lola: UndeployWsr3: void (by not produced)
lola: StartContainer: void (by not produced)
lola: ShutdownOs: void (by not produced)
lola: InstallOs: void (by not produced)
lola: StartOs: void (by not produced)
lola: tlink0: void (by not produced)
lola: tlink1: void (by not produced)
lola: tlink2: void (by not produced)
lola: tlink3: void (by not produced)
lola: tlink4: void (by not produced)
lola: tlink5: void (by not produced)
lola: RunSc: void (by not produced)
lola: StopContainer: void (by not produced)
lola: StartWsr1: void (by not produced)
lola: StartWsr2: void (by not produced)
lola: StartWsr3: void (by not produced)
lola: UninstallOs: void (by not produced)
lola: UninstallSc: void (by not produced)
lola: StopSc: void (by not produced)
lola: ConfigureSc: void (by not produced)
lola: The net is not live
lola: Example for violating transition: SetupSc

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="CloudOpsManagement-PT-02560by01280"
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 CloudOpsManagement-PT-02560by01280, 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 r085-smll-167814406900339"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudOpsManagement-PT-02560by01280.tgz
mv CloudOpsManagement-PT-02560by01280 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 ;