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.r181-tall-167838868100004.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 ERK-PT-000001, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r181-tall-167838868100004
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 428K
-rw-r--r-- 1 mcc users 8.4K Feb 26 16:34 CTLCardinality.txt
-rw-r--r-- 1 mcc users 87K Feb 26 16:34 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Feb 26 16:34 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Feb 26 16:34 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K Feb 25 16:02 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 16:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Feb 25 16:02 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 16:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 26 16:34 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 106K Feb 26 16:34 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Feb 26 16:34 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 51K Feb 26 16:34 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:02 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:02 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 7.4K 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 1678541610205

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=ERK-PT-000001
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-11 13:33:31] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2023-03-11 13:33:31] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-11 13:33:31] [INFO ] Load time of PNML (sax parser for PT used): 22 ms
[2023-03-11 13:33:31] [INFO ] Transformed 11 places.
[2023-03-11 13:33:31] [INFO ] Transformed 11 transitions.
[2023-03-11 13:33:31] [INFO ] Found NUPN structural information;
[2023-03-11 13:33:31] [INFO ] Parsed PT model containing 11 places and 11 transitions and 34 arcs in 84 ms.
Discarding 4 transitions out of 11. Remains 7
Built sparse matrix representations for Structural reductions in 5 ms.24559KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 11/11 places, 11/11 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 12 ms. Remains 11 /11 variables (removed 0) and now considering 11/11 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 12 ms. Remains : 11/11 places, 11/11 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 11/11 places, 11/11 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 11 /11 variables (removed 0) and now considering 11/11 (removed 0) transitions.
// Phase 1: matrix 11 rows 11 cols
[2023-03-11 13:33:31] [INFO ] Computed 5 place invariants in 6 ms
[2023-03-11 13:33:32] [INFO ] Implicit Places using invariants in 152 ms returned []
[2023-03-11 13:33:32] [INFO ] Invariant cache hit.
[2023-03-11 13:33:32] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 214 ms to find 0 implicit places.
[2023-03-11 13:33:32] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-11 13:33:32] [INFO ] Invariant cache hit.
[2023-03-11 13:33:32] [INFO ] Dead Transitions using invariants and state equation in 31 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 252 ms. Remains : 11/11 places, 11/11 transitions.
Random walk for 1250000 steps, including 0 resets, run took 571 ms (no deadlock found). (steps per millisecond=2189 )
Random directed walk for 1250000 steps, including 0 resets, run took 376 ms (no deadlock found). (steps per millisecond=3324 )
[2023-03-11 13:33:33] [INFO ] Invariant cache hit.
[2023-03-11 13:33:33] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 11/11 places, 11/11 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 11 transition count 9
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 7 transition count 9
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 0 with 2 rules applied. Total rules applied 8 place count 6 transition count 8
Applied a total of 8 rules in 4 ms. Remains 6 /11 variables (removed 5) and now considering 8/11 (removed 3) transitions.
[2023-03-11 13:33:33] [INFO ] Flow matrix only has 6 transitions (discarded 2 similar events)
// Phase 1: matrix 6 rows 6 cols
[2023-03-11 13:33:33] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-11 13:33:33] [INFO ] Implicit Places using invariants in 20 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 23 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 5/11 places, 8/11 transitions.
Graph (trivial) has 6 edges and 5 vertex of which 2 / 5 are part of one of the 1 SCC in 2 ms
Free SCC test removed 1 places
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Applied a total of 1 rules in 3 ms. Remains 4 /5 variables (removed 1) and now considering 7/8 (removed 1) transitions.
[2023-03-11 13:33:33] [INFO ] Flow matrix only has 4 transitions (discarded 3 similar events)
// Phase 1: matrix 4 rows 4 cols
[2023-03-11 13:33:33] [INFO ] Computed 2 place invariants in 0 ms
[2023-03-11 13:33:33] [INFO ] Implicit Places using invariants in 17 ms returned []
[2023-03-11 13:33:33] [INFO ] Flow matrix only has 4 transitions (discarded 3 similar events)
[2023-03-11 13:33:33] [INFO ] Invariant cache hit.
[2023-03-11 13:33:33] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 4/11 places, 7/11 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 77 ms. Remains : 4/11 places, 7/11 transitions.
Discarding 4 transitions out of 7. Remains 3
Initial state reduction rules removed 1 formulas.
Finished random walk after 2 steps, including 0 resets, run visited all 2 properties in 171 ms. (steps per millisecond=0 )
Able to resolve query QuasiLiveness after proving 3 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 11/11 places, 11/11 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 11 transition count 9
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 7 transition count 9
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 0 with 2 rules applied. Total rules applied 8 place count 6 transition count 8
Applied a total of 8 rules in 1 ms. Remains 6 /11 variables (removed 5) and now considering 8/11 (removed 3) transitions.
[2023-03-11 13:33:33] [INFO ] Flow matrix only has 6 transitions (discarded 2 similar events)
// Phase 1: matrix 6 rows 6 cols
[2023-03-11 13:33:33] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-11 13:33:33] [INFO ] Implicit Places using invariants in 23 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 24 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 5/11 places, 8/11 transitions.
Graph (trivial) has 6 edges and 5 vertex of which 2 / 5 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Applied a total of 1 rules in 1 ms. Remains 4 /5 variables (removed 1) and now considering 7/8 (removed 1) transitions.
[2023-03-11 13:33:33] [INFO ] Flow matrix only has 4 transitions (discarded 3 similar events)
// Phase 1: matrix 4 rows 4 cols
[2023-03-11 13:33:33] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-11 13:33:33] [INFO ] Implicit Places using invariants in 17 ms returned []
[2023-03-11 13:33:33] [INFO ] Flow matrix only has 4 transitions (discarded 3 similar events)
[2023-03-11 13:33:33] [INFO ] Invariant cache hit.
[2023-03-11 13:33:33] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 4/11 places, 7/11 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 71 ms. Remains : 4/11 places, 7/11 transitions.
Discarding 4 transitions out of 7. Remains 3
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 1706 ms.
starting LoLA
BK_INPUT ERK-PT-000001
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 1678541615329

--------------------
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: ..... r11: true
lola: The net is live
lola: ..... r10: true

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="ERK-PT-000001"
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 ERK-PT-000001, 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 r181-tall-167838868100004"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ERK-PT-000001.tgz
mv ERK-PT-000001 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 ;