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.r181-tall-167838868500292.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 FlexibleBarrier-PT-06b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r181-tall-167838868500292
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 648K
-rw-r--r-- 1 mcc users 7.2K Feb 25 12:38 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K Feb 25 12:38 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Feb 25 12:38 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K Feb 25 12:38 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 16:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 16:07 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 16:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Feb 25 12:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 146K Feb 25 12:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 25 12:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 92K Feb 25 12:38 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:07 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:07 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 141K 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 1678544275196

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=FlexibleBarrier-PT-06b
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-11 14:17:56] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-11 14:17:56] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-11 14:17:56] [INFO ] Load time of PNML (sax parser for PT used): 64 ms
[2023-03-11 14:17:56] [INFO ] Transformed 542 places.
[2023-03-11 14:17:56] [INFO ] Transformed 621 transitions.
[2023-03-11 14:17:56] [INFO ] Found NUPN structural information;
[2023-03-11 14:17:56] [INFO ] Parsed PT model containing 542 places and 621 transitions and 1533 arcs in 130 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 542/542 places, 621/621 transitions.
Graph (trivial) has 522 edges and 542 vertex of which 38 / 542 are part of one of the 6 SCC in 5 ms
Free SCC test removed 32 places
Ensure Unique test removed 33 transitions
Reduce isomorphic transitions removed 33 transitions.
Drop transitions removed 147 transitions
Trivial Post-agglo rules discarded 147 transitions
Performed 147 trivial Post agglomeration. Transition count delta: 147
Iterating post reduction 0 with 147 rules applied. Total rules applied 148 place count 510 transition count 441
Reduce places removed 147 places and 0 transitions.
Iterating post reduction 1 with 147 rules applied. Total rules applied 295 place count 363 transition count 441
Performed 30 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 30 Pre rules applied. Total rules applied 295 place count 363 transition count 411
Deduced a syphon composed of 30 places in 1 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 2 with 60 rules applied. Total rules applied 355 place count 333 transition count 411
Performed 207 Post agglomeration using F-continuation condition.Transition count delta: 207
Deduced a syphon composed of 207 places in 0 ms
Reduce places removed 207 places and 0 transitions.
Iterating global reduction 2 with 414 rules applied. Total rules applied 769 place count 126 transition count 204
Applied a total of 769 rules in 1365 ms. Remains 126 /542 variables (removed 416) and now considering 204/621 (removed 417) transitions.
[2023-03-11 14:17:58] [INFO ] Flow matrix only has 187 transitions (discarded 17 similar events)
// Phase 1: matrix 187 rows 126 cols
[2023-03-11 14:17:58] [INFO ] Computed 8 place invariants in 16 ms
[2023-03-11 14:17:58] [INFO ] Implicit Places using invariants in 246 ms returned []
[2023-03-11 14:17:58] [INFO ] Flow matrix only has 187 transitions (discarded 17 similar events)
[2023-03-11 14:17:58] [INFO ] Invariant cache hit.
[2023-03-11 14:17:58] [INFO ] State equation strengthened by 37 read => feed constraints.
[2023-03-11 14:17:58] [INFO ] Implicit Places using invariants and state equation in 187 ms returned []
Implicit Place search using SMT with State Equation took 457 ms to find 0 implicit places.
[2023-03-11 14:17:58] [INFO ] Flow matrix only has 187 transitions (discarded 17 similar events)
[2023-03-11 14:17:58] [INFO ] Invariant cache hit.
[2023-03-11 14:17:58] [INFO ] Dead Transitions using invariants and state equation in 109 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 126/542 places, 204/621 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 1932 ms. Remains : 126/542 places, 204/621 transitions.
Discarding 111 transitions out of 204. Remains 93
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 834 resets, run finished after 459 ms. (steps per millisecond=21 ) properties (out of 92) seen :36
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 56) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 55) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 54) seen :1
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 53) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 52) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 51) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 50) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 49) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 48) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 47) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 46) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 45) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 44) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 43) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 42) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 41) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 40) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 39) seen :1
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 38) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 37) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 36) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 35) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 34) seen :1
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 33) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 32) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 31) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 30) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 29) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 28) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 27) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 26) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 25) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 24) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 23) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 22) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 21) seen :1
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 20) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 19) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 18) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 17) seen :0
Running SMT prover for 17 properties.
[2023-03-11 14:17:59] [INFO ] Flow matrix only has 187 transitions (discarded 17 similar events)
[2023-03-11 14:17:59] [INFO ] Invariant cache hit.
[2023-03-11 14:17:59] [INFO ] [Real]Absence check using 8 positive place invariants in 1 ms returned sat
[2023-03-11 14:17:59] [INFO ] After 217ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:16
[2023-03-11 14:17:59] [INFO ] State equation strengthened by 37 read => feed constraints.
[2023-03-11 14:17:59] [INFO ] After 20ms SMT Verify possible using 37 Read/Feed constraints in real domain returned unsat :0 sat :0 real:17
[2023-03-11 14:17:59] [INFO ] After 403ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:17
[2023-03-11 14:17:59] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-11 14:18:00] [INFO ] After 181ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :17
[2023-03-11 14:18:00] [INFO ] After 163ms SMT Verify possible using 37 Read/Feed constraints in natural domain returned unsat :0 sat :17
[2023-03-11 14:18:00] [INFO ] After 406ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :17
Attempting to minimize the solution found.
Minimization took 158 ms.
[2023-03-11 14:18:00] [INFO ] After 885ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :17
Parikh walk visited 0 properties in 415 ms.
Support contains 19 out of 126 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 126/126 places, 204/204 transitions.
Drop transitions removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 0 with 18 rules applied. Total rules applied 18 place count 126 transition count 186
Discarding 25 places :
Symmetric choice reduction at 1 with 25 rule applications. Total rules 43 place count 101 transition count 161
Iterating global reduction 1 with 25 rules applied. Total rules applied 68 place count 101 transition count 161
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 1 with 25 rules applied. Total rules applied 93 place count 101 transition count 136
Free-agglomeration rule applied 36 times.
Iterating global reduction 2 with 36 rules applied. Total rules applied 129 place count 101 transition count 100
Reduce places removed 36 places and 0 transitions.
Iterating post reduction 2 with 36 rules applied. Total rules applied 165 place count 65 transition count 100
Discarding 10 places :
Symmetric choice reduction at 3 with 10 rule applications. Total rules 175 place count 55 transition count 90
Iterating global reduction 3 with 10 rules applied. Total rules applied 185 place count 55 transition count 90
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 195 place count 55 transition count 80
Applied a total of 195 rules in 28 ms. Remains 55 /126 variables (removed 71) and now considering 80/204 (removed 124) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 55/126 places, 80/204 transitions.
Finished random walk after 29037 steps, including 723 resets, run visited all 17 properties in 305 ms. (steps per millisecond=95 )
Able to resolve query QuasiLiveness after proving 93 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 4742 ms.
ITS solved all properties within timeout

BK_STOP 1678544286395

--------------------
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="FlexibleBarrier-PT-06b"
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 FlexibleBarrier-PT-06b, 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 r181-tall-167838868500292"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-06b.tgz
mv FlexibleBarrier-PT-06b 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 ;