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-167814406800237.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)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is CloudDeployment-PT-3a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r085-smll-167814406800237
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 588K
-rw-r--r-- 1 mcc users 7.7K Feb 25 14:53 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K Feb 25 14:53 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K Feb 25 14:49 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Feb 25 14:49 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.5K Feb 25 15:44 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 15:44 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 15:44 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 15:44 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Feb 25 14:58 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 152K Feb 25 14:58 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Feb 25 14:56 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 78K Feb 25 14:56 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 15:44 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 15:44 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 97K 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 QuasiLiveness

=== Now, execution of the tool begins

BK_START 1678230010077

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=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CloudDeployment-PT-3a
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-07 23:00:12] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-07 23:00:12] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-07 23:00:13] [INFO ] Load time of PNML (sax parser for PT used): 99 ms
[2023-03-07 23:00:13] [INFO ] Transformed 104 places.
[2023-03-07 23:00:13] [INFO ] Transformed 308 transitions.
[2023-03-07 23:00:13] [INFO ] Found NUPN structural information;
[2023-03-07 23:00:13] [INFO ] Parsed PT model containing 104 places and 308 transitions and 1611 arcs in 204 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 104/104 places, 308/308 transitions.
Graph (trivial) has 133 edges and 104 vertex of which 30 / 104 are part of one of the 9 SCC in 4 ms
Free SCC test removed 21 places
Ensure Unique test removed 81 transitions
Reduce isomorphic transitions removed 81 transitions.
Ensure Unique test removed 6 places
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 77 transition count 227
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: -15
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 1 with 18 rules applied. Total rules applied 25 place count 68 transition count 242
Applied a total of 25 rules in 36 ms. Remains 68 /104 variables (removed 36) and now considering 242/308 (removed 66) transitions.
[2023-03-07 23:00:13] [INFO ] Flow matrix only has 120 transitions (discarded 122 similar events)
// Phase 1: matrix 120 rows 68 cols
[2023-03-07 23:00:13] [INFO ] Computed 12 place invariants in 13 ms
[2023-03-07 23:00:13] [INFO ] Implicit Places using invariants in 321 ms returned []
[2023-03-07 23:00:13] [INFO ] Flow matrix only has 120 transitions (discarded 122 similar events)
[2023-03-07 23:00:13] [INFO ] Invariant cache hit.
[2023-03-07 23:00:13] [INFO ] State equation strengthened by 62 read => feed constraints.
[2023-03-07 23:00:13] [INFO ] Implicit Places using invariants and state equation in 215 ms returned []
Implicit Place search using SMT with State Equation took 586 ms to find 0 implicit places.
[2023-03-07 23:00:13] [INFO ] Flow matrix only has 120 transitions (discarded 122 similar events)
[2023-03-07 23:00:13] [INFO ] Invariant cache hit.
[2023-03-07 23:00:14] [INFO ] Dead Transitions using invariants and state equation in 320 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 68/104 places, 242/308 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 945 ms. Remains : 68/104 places, 242/308 transitions.
Discarding 178 transitions out of 242. Remains 64
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 376 resets, run finished after 679 ms. (steps per millisecond=14 ) properties (out of 63) seen :53
Incomplete Best-First random walk after 10001 steps, including 102 resets, run finished after 66 ms. (steps per millisecond=151 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10000 steps, including 65 resets, run finished after 53 ms. (steps per millisecond=188 ) properties (out of 10) seen :1
Incomplete Best-First random walk after 10001 steps, including 54 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 9) seen :8
Running SMT prover for 1 properties.
[2023-03-07 23:00:14] [INFO ] Flow matrix only has 120 transitions (discarded 122 similar events)
[2023-03-07 23:00:14] [INFO ] Invariant cache hit.
[2023-03-07 23:00:15] [INFO ] [Real]Absence check using 0 positive and 12 generalized place invariants in 6 ms returned sat
[2023-03-07 23:00:15] [INFO ] After 81ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-07 23:00:15] [INFO ] State equation strengthened by 62 read => feed constraints.
[2023-03-07 23:00:15] [INFO ] After 33ms SMT Verify possible using 62 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-07 23:00:15] [INFO ] After 192ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-07 23:00:15] [INFO ] [Nat]Absence check using 0 positive and 12 generalized place invariants in 4 ms returned sat
[2023-03-07 23:00:15] [INFO ] After 62ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-07 23:00:15] [INFO ] After 26ms SMT Verify possible using 62 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-07 23:00:15] [INFO ] After 50ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 24 ms.
[2023-03-07 23:00:15] [INFO ] After 194ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 20 ms.
Support contains 4 out of 68 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 68/68 places, 242/242 transitions.
Drop transitions removed 51 transitions
Reduce isomorphic transitions removed 51 transitions.
Iterating post reduction 0 with 51 rules applied. Total rules applied 51 place count 68 transition count 191
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 55 place count 64 transition count 178
Iterating global reduction 1 with 4 rules applied. Total rules applied 59 place count 64 transition count 178
Drop transitions removed 36 transitions
Redundant transition composition rules discarded 36 transitions
Iterating global reduction 1 with 36 rules applied. Total rules applied 95 place count 64 transition count 142
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 96 place count 64 transition count 142
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 97 place count 63 transition count 141
Applied a total of 97 rules in 60 ms. Remains 63 /68 variables (removed 5) and now considering 141/242 (removed 101) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61 ms. Remains : 63/68 places, 141/242 transitions.
Finished random walk after 167520 steps, including 4019 resets, run visited all 1 properties in 326 ms. (steps per millisecond=513 )
Able to resolve query QuasiLiveness after proving 64 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 2867 ms.
ITS solved all properties within timeout

BK_STOP 1678230016841

--------------------
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'
++ sed s/.jar//
++ 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 QuasiLiveness -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="CloudDeployment-PT-3a"
export BK_EXAMINATION="QuasiLiveness"
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 CloudDeployment-PT-3a, examination is QuasiLiveness"
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-167814406800237"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudDeployment-PT-3a.tgz
mv CloudDeployment-PT-3a execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;