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.r533-tall-167987253200194.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 Murphy-COL-D3N050, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r533-tall-167987253200194
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 428K
-rw-r--r-- 1 mcc users 7.3K Mar 23 15:21 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K Mar 23 15:21 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Mar 23 15:20 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 23 15:20 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Mar 23 07:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 23 07:07 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 23 07:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 23 07:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Mar 26 22:42 NewModel
-rw-r--r-- 1 mcc users 9.1K Mar 23 15:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 98K Mar 23 15:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 23 15:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 54K Mar 23 15:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 23 07:07 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 23 07:07 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 26 22:42 equiv_pt
-rw-r--r-- 1 mcc users 7 Mar 26 22:42 instance
-rw-r--r-- 1 mcc users 5 Mar 26 22:42 iscolored
-rw-r--r-- 1 mcc users 20K Mar 31 16:48 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 1680818467881

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=Murphy-COL-D3N050
Applying reductions before tool lola
Invoking reducer
Running Version 202304061127
[2023-04-06 22:01:09] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2023-04-06 22:01:09] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-04-06 22:01:09] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2023-04-06 22:01:09] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-04-06 22:01:10] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 613 ms
[2023-04-06 22:01:10] [INFO ] Imported 6 HL places and 7 HL transitions for a total of 24 PT places and 28.0 transition bindings in 17 ms.
[2023-04-06 22:01:10] [INFO ] Built PT skeleton of HLPN with 6 places and 7 transitions 27 arcs in 3 ms.
[2023-04-06 22:01:10] [INFO ] Skeletonized 0 HLPN properties in 1 ms.
[2023-04-06 22:01:10] [INFO ] Unfolded HLPN to a Petri net with 24 places and 28 transitions 108 arcs in 10 ms.
[2023-04-06 22:01:10] [INFO ] Unfolded 0 HLPN properties in 0 ms.
[2023-04-06 22:01:10] [INFO ] Unfolded HLPN to a Petri net with 24 places and 28 transitions 108 arcs in 2 ms.
[2023-04-06 22:01:10] [INFO ] Unfolded 7 HLPN properties in 0 ms.
[2023-04-06 22:01:10] [INFO ] Built PT skeleton of HLPN with 6 places and 7 transitions 27 arcs in 0 ms.
[2023-04-06 22:01:10] [INFO ] Skeletonized 7 HLPN properties in 1 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Prefix of Interest using HLPN skeleton for deadlock discarded 0 places and 0 transitions.
Arc [2:1*[(MOD (ADD $x 1) 4)]] contains successor/predecessor on variables of sort CD
[2023-04-06 22:01:10] [INFO ] Unfolded HLPN to a Petri net with 24 places and 28 transitions 108 arcs in 3 ms.
[2023-04-06 22:01:10] [INFO ] Unfolded 7 HLPN properties in 0 ms.
Built sparse matrix representations for Structural reductions in 0 ms.24900KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 24/24 places, 28/28 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 10 ms. Remains 24 /24 variables (removed 0) and now considering 28/28 (removed 0) transitions.
// Phase 1: matrix 28 rows 24 cols
[2023-04-06 22:01:10] [INFO ] Computed 5 invariants in 7 ms
[2023-04-06 22:01:10] [INFO ] Dead Transitions using invariants and state equation in 160 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 197 ms. Remains : 24/24 places, 28/28 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 24/24 places, 28/28 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 5 ms. Remains 24 /24 variables (removed 0) and now considering 28/28 (removed 0) transitions.
[2023-04-06 22:01:10] [INFO ] Invariant cache hit.
[2023-04-06 22:01:10] [INFO ] Implicit Places using invariants in 30 ms returned []
[2023-04-06 22:01:10] [INFO ] Invariant cache hit.
[2023-04-06 22:01:10] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-04-06 22:01:10] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 82 ms to find 0 implicit places.
[2023-04-06 22:01:10] [INFO ] Redundant transitions in 0 ms returned []
[2023-04-06 22:01:10] [INFO ] Invariant cache hit.
[2023-04-06 22:01:10] [INFO ] Dead Transitions using invariants and state equation in 41 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 133 ms. Remains : 24/24 places, 28/28 transitions.
Random walk for 1250041 steps, including 0 resets, run took 534 ms (no deadlock found). (steps per millisecond=2340 )
Random directed walk for 1250001 steps, including 0 resets, run took 658 ms (no deadlock found). (steps per millisecond=1899 )
[2023-04-06 22:01:11] [INFO ] Invariant cache hit.
[2023-04-06 22:01:11] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-06 22:01:11] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2023-04-06 22:01:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-06 22:01:11] [INFO ] [Real]Absence check using state equation in 9 ms returned unsat
[2023-04-06 22:01:11] [INFO ] Unfolded HLPN to a Petri net with 24 places and 28 transitions 108 arcs in 1 ms.
[2023-04-06 22:01:11] [INFO ] Unfolded 7 HLPN properties in 0 ms.
Initial state reduction rules removed 3 formulas.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 4) seen :3
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-04-06 22:01:11] [INFO ] Invariant cache hit.
[2023-04-06 22:01:11] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-06 22:01:11] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 3 ms returned sat
[2023-04-06 22:01:11] [INFO ] After 36ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-04-06 22:01:11] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-06 22:01:11] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 4 ms returned sat
[2023-04-06 22:01:11] [INFO ] After 31ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-04-06 22:01:11] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-04-06 22:01:11] [INFO ] After 6ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-04-06 22:01:11] [INFO ] After 15ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 9 ms.
[2023-04-06 22:01:11] [INFO ] After 116ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 6 ms.
Support contains 8 out of 24 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 24/24 places, 28/28 transitions.
Graph (complete) has 92 edges and 24 vertex of which 12 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.0 ms
Discarding 12 places :
Also discarding 8 output transitions
Drop transitions removed 8 transitions
Drop transitions removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 5 place count 12 transition count 16
Applied a total of 5 rules in 2 ms. Remains 12 /24 variables (removed 12) and now considering 16/28 (removed 12) transitions.
// Phase 1: matrix 16 rows 12 cols
[2023-04-06 22:01:11] [INFO ] Computed 0 invariants in 1 ms
[2023-04-06 22:01:12] [INFO ] Dead Transitions using invariants and state equation in 24 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 12/24 places, 16/28 transitions.
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 905 ms. (steps per millisecond=1104 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 562 ms. (steps per millisecond=1779 ) properties (out of 1) seen :0
Probably explored full state space saw : 1296 states, properties seen :0
Probabilistic random walk after 8208 steps, saw 1296 distinct states, run finished after 19 ms. (steps per millisecond=432 ) properties seen :0
Explored full state space saw : 1296 states, properties seen :0
Exhaustive walk after 8208 steps, saw 1296 distinct states, run finished after 6 ms. (steps per millisecond=1368 ) properties seen :0
FORMULA Liveness FALSE TECHNIQUES QUASILIVENESS_TEST
Total runtime 4070 ms.
ITS solved all properties within timeout

BK_STOP 1680818474553

--------------------
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_1.0.0.202304061127.jar
+ VERSION=202304061127
+ echo 'Running Version 202304061127'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination Liveness -timeout 180 -rebuildPNML

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="Murphy-COL-D3N050"
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 Murphy-COL-D3N050, 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 r533-tall-167987253200194"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Murphy-COL-D3N050.tgz
mv Murphy-COL-D3N050 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 ;