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.r021-oct2-167813608900257.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 backing_fmt=qcow2 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 AutoFlight-PT-03b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r021-oct2-167813608900257
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 472K
-rw-r--r-- 1 mcc users 7.7K Feb 25 18:17 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K Feb 25 18:17 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Feb 25 18:17 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Feb 25 18:17 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 15:32 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 15:32 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 15:32 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 15:32 LTLFireability.xml
-rw-r--r-- 1 mcc users 6.9K Feb 25 18:18 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 64K Feb 25 18:18 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.3K Feb 25 18:18 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 74K Feb 25 18:18 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 15:32 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 15:32 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 70K 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 1678932134065

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=AutoFlight-PT-03b
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-16 02:02:16] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-16 02:02:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-16 02:02:16] [INFO ] Load time of PNML (sax parser for PT used): 67 ms
[2023-03-16 02:02:16] [INFO ] Transformed 298 places.
[2023-03-16 02:02:16] [INFO ] Transformed 296 transitions.
[2023-03-16 02:02:16] [INFO ] Found NUPN structural information;
[2023-03-16 02:02:16] [INFO ] Parsed PT model containing 298 places and 296 transitions and 692 arcs in 140 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 298/298 places, 296/296 transitions.
Drop transitions removed 115 transitions
Trivial Post-agglo rules discarded 115 transitions
Performed 115 trivial Post agglomeration. Transition count delta: 115
Iterating post reduction 0 with 115 rules applied. Total rules applied 115 place count 298 transition count 181
Reduce places removed 115 places and 0 transitions.
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Drop transitions removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 1 with 136 rules applied. Total rules applied 251 place count 183 transition count 160
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 257 place count 177 transition count 160
Performed 43 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 43 Pre rules applied. Total rules applied 257 place count 177 transition count 117
Deduced a syphon composed of 43 places in 1 ms
Reduce places removed 43 places and 0 transitions.
Iterating global reduction 3 with 86 rules applied. Total rules applied 343 place count 134 transition count 117
Performed 56 Post agglomeration using F-continuation condition.Transition count delta: 56
Deduced a syphon composed of 56 places in 0 ms
Reduce places removed 56 places and 0 transitions.
Iterating global reduction 3 with 112 rules applied. Total rules applied 455 place count 78 transition count 61
Applied a total of 455 rules in 51 ms. Remains 78 /298 variables (removed 220) and now considering 61/296 (removed 235) transitions.
// Phase 1: matrix 61 rows 78 cols
[2023-03-16 02:02:16] [INFO ] Computed 22 place invariants in 4 ms
[2023-03-16 02:02:17] [INFO ] Implicit Places using invariants in 297 ms returned [24, 27, 30, 77]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 334 ms to find 4 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 74/298 places, 61/296 transitions.
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 0 place count 74 transition count 58
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 71 transition count 58
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 16 place count 66 transition count 53
Applied a total of 16 rules in 2 ms. Remains 66 /74 variables (removed 8) and now considering 53/61 (removed 8) transitions.
// Phase 1: matrix 53 rows 66 cols
[2023-03-16 02:02:17] [INFO ] Computed 18 place invariants in 1 ms
[2023-03-16 02:02:17] [INFO ] Implicit Places using invariants in 95 ms returned []
[2023-03-16 02:02:17] [INFO ] Invariant cache hit.
[2023-03-16 02:02:17] [INFO ] State equation strengthened by 15 read => feed constraints.
[2023-03-16 02:02:17] [INFO ] Implicit Places using invariants and state equation in 662 ms returned []
Implicit Place search using SMT with State Equation took 772 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 66/298 places, 53/296 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1163 ms. Remains : 66/298 places, 53/296 transitions.
Discarding 12 transitions out of 53. Remains 41
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 635 resets, run finished after 314 ms. (steps per millisecond=31 ) properties (out of 40) seen :33
Incomplete Best-First random walk after 10001 steps, including 79 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 78 resets, run finished after 56 ms. (steps per millisecond=178 ) properties (out of 7) seen :1
Incomplete Best-First random walk after 10001 steps, including 82 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 97 resets, run finished after 53 ms. (steps per millisecond=188 ) properties (out of 6) seen :1
Incomplete Best-First random walk after 10001 steps, including 82 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 82 resets, run finished after 52 ms. (steps per millisecond=192 ) properties (out of 5) seen :0
Running SMT prover for 5 properties.
[2023-03-16 02:02:18] [INFO ] Invariant cache hit.
[2023-03-16 02:02:18] [INFO ] [Real]Absence check using 18 positive place invariants in 24 ms returned sat
[2023-03-16 02:02:18] [INFO ] After 280ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-16 02:02:18] [INFO ] [Nat]Absence check using 18 positive place invariants in 12 ms returned sat
[2023-03-16 02:02:19] [INFO ] After 107ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-16 02:02:19] [INFO ] State equation strengthened by 15 read => feed constraints.
[2023-03-16 02:02:19] [INFO ] After 88ms SMT Verify possible using 15 Read/Feed constraints in natural domain returned unsat :0 sat :5
[2023-03-16 02:02:19] [INFO ] Deduced a trap composed of 6 places in 64 ms of which 12 ms to minimize.
[2023-03-16 02:02:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 72 ms
[2023-03-16 02:02:19] [INFO ] After 247ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 58 ms.
[2023-03-16 02:02:19] [INFO ] After 571ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Parikh walk visited 3 properties in 311 ms.
Support contains 4 out of 66 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 66/66 places, 53/53 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 62 transition count 49
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 62 transition count 49
Free-agglomeration rule applied 10 times.
Iterating global reduction 0 with 10 rules applied. Total rules applied 18 place count 62 transition count 39
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 28 place count 52 transition count 39
Applied a total of 28 rules in 12 ms. Remains 52 /66 variables (removed 14) and now considering 39/53 (removed 14) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 52/66 places, 39/53 transitions.
Finished random walk after 3321 steps, including 201 resets, run visited all 2 properties in 7 ms. (steps per millisecond=474 )
Able to resolve query QuasiLiveness after proving 41 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 3230 ms.
ITS solved all properties within timeout

BK_STOP 1678932139923

--------------------
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="AutoFlight-PT-03b"
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 AutoFlight-PT-03b, 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 r021-oct2-167813608900257"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-03b.tgz
mv AutoFlight-PT-03b 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 ;