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.r309-tall-167873962600152.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 Philosophers-PT-001000, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r309-tall-167873962600152
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 28M
-rw-r--r-- 1 mcc users 710K Feb 25 14:13 CTLCardinality.txt
-rw-r--r-- 1 mcc users 3.6M Feb 25 14:13 CTLCardinality.xml
-rw-r--r-- 1 mcc users 646K Feb 25 13:43 CTLFireability.txt
-rw-r--r-- 1 mcc users 4.1M Feb 25 13:43 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 681K Feb 25 16:33 LTLCardinality.txt
-rw-r--r-- 1 mcc users 2.5M Feb 25 16:33 LTLCardinality.xml
-rw-r--r-- 1 mcc users 307K Feb 25 16:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 1.5M Feb 25 16:33 LTLFireability.xml
-rw-r--r-- 1 mcc users 359K Feb 25 15:52 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 1.7M Feb 25 15:52 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 1.3M Feb 25 14:58 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 8.2M Feb 25 14:58 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 95K Feb 25 16:33 UpperBounds.txt
-rw-r--r-- 1 mcc users 261K Feb 25 16:33 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 2.3M 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 QuasiLiveness

=== Now, execution of the tool begins

BK_START 1679440212007

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=Philosophers-PT-001000
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-21 23:10:13] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-21 23:10:13] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 23:10:13] [INFO ] Load time of PNML (sax parser for PT used): 229 ms
[2023-03-21 23:10:13] [INFO ] Transformed 5000 places.
[2023-03-21 23:10:13] [INFO ] Transformed 5000 transitions.
[2023-03-21 23:10:13] [INFO ] Parsed PT model containing 5000 places and 5000 transitions and 16000 arcs in 391 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 5000/5000 places, 5000/5000 transitions.
Performed 1000 Post agglomeration using F-continuation condition.Transition count delta: 1000
Deduced a syphon composed of 1000 places in 6 ms
Reduce places removed 1000 places and 0 transitions.
Iterating global reduction 0 with 2000 rules applied. Total rules applied 2000 place count 4000 transition count 4000
Applied a total of 2000 rules in 401 ms. Remains 4000 /5000 variables (removed 1000) and now considering 4000/5000 (removed 1000) transitions.
// Phase 1: matrix 4000 rows 4000 cols
[2023-03-21 23:10:14] [INFO ] Computed 2000 place invariants in 52 ms
[2023-03-21 23:10:17] [INFO ] Implicit Places using invariants in 2837 ms returned []
[2023-03-21 23:10:17] [INFO ] Invariant cache hit.
[2023-03-21 23:10:20] [INFO ] Implicit Places using invariants and state equation in 3544 ms returned []
Implicit Place search using SMT with State Equation took 6602 ms to find 0 implicit places.
[2023-03-21 23:10:20] [INFO ] Invariant cache hit.
[2023-03-21 23:10:23] [INFO ] Dead Transitions using invariants and state equation in 2275 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 4000/5000 places, 4000/5000 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 9282 ms. Remains : 4000/5000 places, 4000/5000 transitions.
Initial state reduction rules removed 2000 formulas.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 2900 ms. (steps per millisecond=3 ) properties (out of 2000) seen :1860
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 7 ms. (steps per millisecond=14 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 6 ms. (steps per millisecond=16 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 9 ms. (steps per millisecond=11 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 6 ms. (steps per millisecond=16 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 6 ms. (steps per millisecond=16 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 13 ms. (steps per millisecond=7 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=12 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 6 ms. (steps per millisecond=16 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 6 ms. (steps per millisecond=16 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 6 ms. (steps per millisecond=16 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 6 ms. (steps per millisecond=16 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 6 ms. (steps per millisecond=16 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 6 ms. (steps per millisecond=16 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=12 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 6 ms. (steps per millisecond=16 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 6 ms. (steps per millisecond=16 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Incomplete Best-First random walk after 101 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 140) seen :0
Running SMT prover for 140 properties.
[2023-03-21 23:10:26] [INFO ] Invariant cache hit.
[2023-03-21 23:10:34] [INFO ] [Real]Absence check using 2000 positive place invariants in 394 ms returned sat
[2023-03-21 23:10:51] [INFO ] After 8780ms SMT Verify possible using state equation in real domain returned unsat :0 sat :106 real:34
[2023-03-21 23:10:51] [INFO ] After 8787ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :106 real:34
Attempting to minimize the solution found.
Minimization took 1 ms.
[2023-03-21 23:10:51] [INFO ] After 25088ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :106 real:34
[2023-03-21 23:10:59] [INFO ] [Nat]Absence check using 2000 positive place invariants in 435 ms returned sat
[2023-03-21 23:11:16] [INFO ] After 9276ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :139
[2023-03-21 23:11:16] [INFO ] After 9281ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :139
Attempting to minimize the solution found.
Minimization took 2 ms.
[2023-03-21 23:11:16] [INFO ] After 25044ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :139
Fused 140 Parikh solutions to 33 different solutions.
Parikh walk visited 97 properties in 19947 ms.
Support contains 86 out of 4000 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 4000/4000 places, 4000/4000 transitions.
Free-agglomeration rule (complex) applied 1876 times.
Iterating global reduction 0 with 1876 rules applied. Total rules applied 1876 place count 4000 transition count 2124
Reduce places removed 3715 places and 0 transitions.
Drop transitions removed 1876 transitions
Reduce isomorphic transitions removed 1876 transitions.
Iterating post reduction 0 with 5591 rules applied. Total rules applied 7467 place count 285 transition count 248
Applied a total of 7467 rules in 745 ms. Remains 285 /4000 variables (removed 3715) and now considering 248/4000 (removed 3752) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 746 ms. Remains : 285/4000 places, 248/4000 transitions.
Finished random walk after 915 steps, including 0 resets, run visited all 43 properties in 21 ms. (steps per millisecond=43 )
Able to resolve query QuasiLiveness after proving 4000 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 83976 ms.
ITS solved all properties within timeout

BK_STOP 1679440298483

--------------------
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 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="Philosophers-PT-001000"
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 Philosophers-PT-001000, 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 r309-tall-167873962600152"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Philosophers-PT-001000.tgz
mv Philosophers-PT-001000 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 ;