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.r117-tall-167814495100032.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 CloudReconfiguration-PT-307, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r117-tall-167814495100032
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 8.3K Feb 25 11:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 90K Feb 25 11:50 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Feb 25 11:49 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Feb 25 11:49 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 15:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 15:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 15:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 15:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Feb 25 11:50 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 141K Feb 25 11:50 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Feb 25 11:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 47K Feb 25 11:50 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 15:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:47 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 660K 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 1679412058438

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=CloudReconfiguration-PT-307
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-21 15:21:00] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-21 15:21:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 15:21:00] [INFO ] Load time of PNML (sax parser for PT used): 119 ms
[2023-03-21 15:21:00] [INFO ] Transformed 2584 places.
[2023-03-21 15:21:00] [INFO ] Transformed 3094 transitions.
[2023-03-21 15:21:00] [INFO ] Found NUPN structural information;
[2023-03-21 15:21:00] [INFO ] Parsed PT model containing 2584 places and 3094 transitions and 6459 arcs in 194 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 2584/2584 places, 3094/3094 transitions.
Graph (trivial) has 2957 edges and 2584 vertex of which 882 / 2584 are part of one of the 63 SCC in 12 ms
Free SCC test removed 819 places
Ensure Unique test removed 936 transitions
Reduce isomorphic transitions removed 936 transitions.
Drop transitions removed 1190 transitions
Trivial Post-agglo rules discarded 1190 transitions
Performed 1190 trivial Post agglomeration. Transition count delta: 1190
Iterating post reduction 0 with 1190 rules applied. Total rules applied 1191 place count 1765 transition count 968
Reduce places removed 1190 places and 0 transitions.
Ensure Unique test removed 68 transitions
Reduce isomorphic transitions removed 68 transitions.
Drop transitions removed 33 transitions
Trivial Post-agglo rules discarded 33 transitions
Performed 33 trivial Post agglomeration. Transition count delta: 33
Iterating post reduction 1 with 1291 rules applied. Total rules applied 2482 place count 575 transition count 867
Reduce places removed 33 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 36 rules applied. Total rules applied 2518 place count 542 transition count 864
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 20 Pre rules applied. Total rules applied 2518 place count 542 transition count 844
Deduced a syphon composed of 20 places in 5 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 3 with 40 rules applied. Total rules applied 2558 place count 522 transition count 844
Performed 292 Post agglomeration using F-continuation condition with reduction of 75 identical transitions.
Deduced a syphon composed of 292 places in 1 ms
Reduce places removed 292 places and 0 transitions.
Iterating global reduction 3 with 584 rules applied. Total rules applied 3142 place count 230 transition count 477
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 3145 place count 230 transition count 474
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: -48
Deduced a syphon composed of 24 places in 1 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 4 with 48 rules applied. Total rules applied 3193 place count 206 transition count 522
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 4 with 15 rules applied. Total rules applied 3208 place count 206 transition count 507
Applied a total of 3208 rules in 109 ms. Remains 206 /2584 variables (removed 2378) and now considering 507/3094 (removed 2587) transitions.
[2023-03-21 15:21:00] [INFO ] Flow matrix only has 428 transitions (discarded 79 similar events)
// Phase 1: matrix 428 rows 206 cols
[2023-03-21 15:21:00] [INFO ] Computed 4 place invariants in 22 ms
[2023-03-21 15:21:00] [INFO ] Implicit Places using invariants in 313 ms returned []
[2023-03-21 15:21:00] [INFO ] Flow matrix only has 428 transitions (discarded 79 similar events)
[2023-03-21 15:21:00] [INFO ] Invariant cache hit.
[2023-03-21 15:21:00] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-21 15:21:01] [INFO ] Implicit Places using invariants and state equation in 289 ms returned [82, 141, 200, 202]
Discarding 4 places :
Implicit Place search using SMT with State Equation took 628 ms to find 4 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 202/2584 places, 507/3094 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 199 transition count 504
Applied a total of 6 rules in 7 ms. Remains 199 /202 variables (removed 3) and now considering 504/507 (removed 3) transitions.
[2023-03-21 15:21:01] [INFO ] Flow matrix only has 425 transitions (discarded 79 similar events)
// Phase 1: matrix 425 rows 199 cols
[2023-03-21 15:21:01] [INFO ] Computed 0 place invariants in 6 ms
[2023-03-21 15:21:01] [INFO ] Implicit Places using invariants in 91 ms returned []
[2023-03-21 15:21:01] [INFO ] Flow matrix only has 425 transitions (discarded 79 similar events)
[2023-03-21 15:21:01] [INFO ] Invariant cache hit.
[2023-03-21 15:21:01] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-21 15:21:01] [INFO ] Implicit Places using invariants and state equation in 233 ms returned []
Implicit Place search using SMT with State Equation took 327 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 199/2584 places, 504/3094 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1071 ms. Remains : 199/2584 places, 504/3094 transitions.
Discarding 310 transitions out of 504. Remains 194
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 1405 resets, run finished after 595 ms. (steps per millisecond=16 ) properties (out of 193) seen :134
Incomplete Best-First random walk after 1001 steps, including 21 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 59) seen :0
Incomplete Best-First random walk after 1001 steps, including 19 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 59) seen :0
Incomplete Best-First random walk after 1001 steps, including 19 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 59) seen :1
Incomplete Best-First random walk after 1001 steps, including 18 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 58) seen :1
Incomplete Best-First random walk after 1001 steps, including 21 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1001 steps, including 22 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 57) seen :1
Incomplete Best-First random walk after 1001 steps, including 20 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 56) seen :0
Incomplete Best-First random walk after 1001 steps, including 20 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 56) seen :0
Incomplete Best-First random walk after 1001 steps, including 24 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 56) seen :0
Incomplete Best-First random walk after 1001 steps, including 23 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 56) seen :0
Incomplete Best-First random walk after 1001 steps, including 19 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 56) seen :2
Incomplete Best-First random walk after 1001 steps, including 17 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 54) seen :1
Incomplete Best-First random walk after 1001 steps, including 24 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 53) seen :0
Incomplete Best-First random walk after 1001 steps, including 18 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 53) seen :0
Incomplete Best-First random walk after 1001 steps, including 19 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 53) seen :1
Incomplete Best-First random walk after 1001 steps, including 24 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 18 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 17 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1000 steps, including 18 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 18 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 17 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 52) seen :2
Incomplete Best-First random walk after 1001 steps, including 27 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1000 steps, including 18 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 16 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 50) seen :1
Incomplete Best-First random walk after 1000 steps, including 19 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 16 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 17 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 19 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 19 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 17 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 19 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 19 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 19 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 20 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 17 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 22 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 16 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 16 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 17 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1000 steps, including 14 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 21 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1000 steps, including 19 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 16 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 16 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 20 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 22 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 49) seen :0
Running SMT prover for 49 properties.
[2023-03-21 15:21:02] [INFO ] Flow matrix only has 425 transitions (discarded 79 similar events)
[2023-03-21 15:21:02] [INFO ] Invariant cache hit.
[2023-03-21 15:21:03] [INFO ] After 1517ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0 real:48
[2023-03-21 15:21:05] [INFO ] After 1082ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :48
[2023-03-21 15:21:05] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-21 15:21:06] [INFO ] After 1060ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :1 sat :48
[2023-03-21 15:21:07] [INFO ] After 2542ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :48
Attempting to minimize the solution found.
Minimization took 1108 ms.
[2023-03-21 15:21:09] [INFO ] After 5086ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :48
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK STRUCTURAL_REDUCTION BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE SAT_SMT
Total runtime 9017 ms.
ITS solved all properties within timeout

BK_STOP 1679412069946

--------------------
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="CloudReconfiguration-PT-307"
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 CloudReconfiguration-PT-307, 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 r117-tall-167814495100032"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-307.tgz
mv CloudReconfiguration-PT-307 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 ;