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.r277-smll-167863548700262.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 Parking-PT-208, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r277-smll-167863548700262
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 444K
-rw-r--r-- 1 mcc users 6.1K Feb 26 14:59 CTLCardinality.txt
-rw-r--r-- 1 mcc users 64K Feb 26 14:59 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.5K Feb 26 14:57 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K Feb 26 14:57 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 16:30 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 16:30 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Feb 25 16:30 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:30 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.1K Feb 26 15:01 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 83K Feb 26 15:01 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.9K Feb 26 15:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K Feb 26 15:00 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:30 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:30 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 49K 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 1678877789216

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=Parking-PT-208
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-15 10:56:32] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-15 10:56:32] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-15 10:56:32] [INFO ] Load time of PNML (sax parser for PT used): 78 ms
[2023-03-15 10:56:32] [INFO ] Transformed 137 places.
[2023-03-15 10:56:32] [INFO ] Transformed 201 transitions.
[2023-03-15 10:56:32] [INFO ] Found NUPN structural information;
[2023-03-15 10:56:32] [INFO ] Parsed PT model containing 137 places and 201 transitions and 593 arcs in 187 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 137/137 places, 201/201 transitions.
Ensure Unique test removed 84 transitions
Reduce isomorphic transitions removed 84 transitions.
Drop transitions removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 88 rules applied. Total rules applied 88 place count 137 transition count 113
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 92 place count 133 transition count 113
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 92 place count 133 transition count 109
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 100 place count 129 transition count 109
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 116 place count 121 transition count 101
Applied a total of 116 rules in 32 ms. Remains 121 /137 variables (removed 16) and now considering 101/201 (removed 100) transitions.
// Phase 1: matrix 101 rows 121 cols
[2023-03-15 10:56:32] [INFO ] Computed 34 place invariants in 13 ms
[2023-03-15 10:56:33] [INFO ] Implicit Places using invariants in 431 ms returned [27, 34, 40, 46, 58, 60, 85, 92, 98, 104, 116, 118]
Discarding 12 places :
Implicit Place search using SMT only with invariants took 474 ms to find 12 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 109/137 places, 101/201 transitions.
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 99 transition count 91
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -19
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 22 place count 98 transition count 110
Applied a total of 22 rules in 9 ms. Remains 98 /109 variables (removed 11) and now considering 110/101 (removed -9) transitions.
// Phase 1: matrix 110 rows 98 cols
[2023-03-15 10:56:33] [INFO ] Computed 22 place invariants in 3 ms
[2023-03-15 10:56:33] [INFO ] Implicit Places using invariants in 136 ms returned []
[2023-03-15 10:56:33] [INFO ] Invariant cache hit.
[2023-03-15 10:56:33] [INFO ] State equation strengthened by 58 read => feed constraints.
[2023-03-15 10:56:33] [INFO ] Implicit Places using invariants and state equation in 290 ms returned []
Implicit Place search using SMT with State Equation took 430 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 98/137 places, 110/201 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 947 ms. Remains : 98/137 places, 110/201 transitions.
Discarding 52 transitions out of 110. Remains 58
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 304 resets, run finished after 871 ms. (steps per millisecond=11 ) properties (out of 57) seen :44
Incomplete Best-First random walk after 10001 steps, including 28 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 13) seen :1
Incomplete Best-First random walk after 10001 steps, including 27 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 12) seen :1
Incomplete Best-First random walk after 10001 steps, including 28 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 28 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 11) seen :2
Incomplete Best-First random walk after 10001 steps, including 28 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 9) seen :1
Incomplete Best-First random walk after 10001 steps, including 28 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 28 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 28 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 28 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 8) seen :0
Running SMT prover for 8 properties.
[2023-03-15 10:56:34] [INFO ] Invariant cache hit.
[2023-03-15 10:56:34] [INFO ] [Real]Absence check using 22 positive place invariants in 9 ms returned sat
[2023-03-15 10:56:35] [INFO ] After 349ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:8
[2023-03-15 10:56:35] [INFO ] [Nat]Absence check using 22 positive place invariants in 6 ms returned sat
[2023-03-15 10:56:35] [INFO ] After 141ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :8
[2023-03-15 10:56:35] [INFO ] State equation strengthened by 58 read => feed constraints.
[2023-03-15 10:56:35] [INFO ] After 458ms SMT Verify possible using 58 Read/Feed constraints in natural domain returned unsat :0 sat :8
[2023-03-15 10:56:36] [INFO ] After 917ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :8
Attempting to minimize the solution found.
Minimization took 103 ms.
[2023-03-15 10:56:36] [INFO ] After 1296ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :8
Parikh walk visited 2 properties in 2317 ms.
Support contains 12 out of 98 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 98/98 places, 110/110 transitions.
Free-agglomeration rule applied 19 times.
Iterating global reduction 0 with 19 rules applied. Total rules applied 19 place count 98 transition count 91
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 38 place count 79 transition count 91
Applied a total of 38 rules in 39 ms. Remains 79 /98 variables (removed 19) and now considering 91/110 (removed 19) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39 ms. Remains : 79/98 places, 91/110 transitions.
Incomplete random walk after 1000000 steps, including 16464 resets, run finished after 13865 ms. (steps per millisecond=72 ) properties (out of 6) seen :4
Incomplete Best-First random walk after 1000001 steps, including 3582 resets, run finished after 3381 ms. (steps per millisecond=295 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000001 steps, including 3426 resets, run finished after 2098 ms. (steps per millisecond=476 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
// Phase 1: matrix 91 rows 79 cols
[2023-03-15 10:56:58] [INFO ] Computed 22 place invariants in 2 ms
[2023-03-15 10:56:58] [INFO ] [Real]Absence check using 22 positive place invariants in 8 ms returned sat
[2023-03-15 10:56:58] [INFO ] After 169ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-15 10:56:58] [INFO ] [Nat]Absence check using 22 positive place invariants in 11 ms returned sat
[2023-03-15 10:56:59] [INFO ] After 862ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-15 10:56:59] [INFO ] State equation strengthened by 74 read => feed constraints.
[2023-03-15 10:56:59] [INFO ] After 122ms SMT Verify possible using 74 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-15 10:56:59] [INFO ] After 273ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 48 ms.
[2023-03-15 10:56:59] [INFO ] After 1281ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 115 ms.
Support contains 4 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 91/91 transitions.
Free-agglomeration rule applied 4 times.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 79 transition count 87
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 8 place count 75 transition count 87
Applied a total of 8 rules in 20 ms. Remains 75 /79 variables (removed 4) and now considering 87/91 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 75/79 places, 87/91 transitions.
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 8976 ms. (steps per millisecond=111 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 1301 ms. (steps per millisecond=768 ) properties (out of 2) seen :1
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 626 ms. (steps per millisecond=1597 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 87 rows 75 cols
[2023-03-15 10:57:10] [INFO ] Computed 22 place invariants in 3 ms
[2023-03-15 10:57:10] [INFO ] [Real]Absence check using 22 positive place invariants in 13 ms returned sat
[2023-03-15 10:57:10] [INFO ] After 132ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-15 10:57:10] [INFO ] [Nat]Absence check using 22 positive place invariants in 13 ms returned sat
[2023-03-15 10:57:10] [INFO ] After 59ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-15 10:57:10] [INFO ] State equation strengthened by 78 read => feed constraints.
[2023-03-15 10:57:10] [INFO ] After 20ms SMT Verify possible using 78 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-15 10:57:10] [INFO ] After 34ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 10 ms.
[2023-03-15 10:57:10] [INFO ] After 166ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Finished Parikh walk after 34 steps, including 2 resets, run visited all 1 properties in 1 ms. (steps per millisecond=34 )
Parikh walk visited 1 properties in 1 ms.
Able to resolve query QuasiLiveness after proving 58 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 38631 ms.
ITS solved all properties within timeout

BK_STOP 1678877831724

--------------------
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="Parking-PT-208"
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 Parking-PT-208, 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 r277-smll-167863548700262"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Parking-PT-208.tgz
mv Parking-PT-208 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 ;