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-167814495200092.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-319, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r117-tall-167814495200092
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 6.6K Feb 25 11:51 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K Feb 25 11:51 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Feb 25 11:50 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Feb 25 11:50 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.5K Feb 25 15:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Feb 25 15:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 15:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 15:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.9K Feb 25 11:51 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 88K Feb 25 11:51 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.2K Feb 25 11:51 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 67K Feb 25 11:51 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 15:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:48 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 661K 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 1679412605275

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-319
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-21 15:30:06] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-21 15:30:06] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 15:30:07] [INFO ] Load time of PNML (sax parser for PT used): 127 ms
[2023-03-21 15:30:07] [INFO ] Transformed 2587 places.
[2023-03-21 15:30:07] [INFO ] Transformed 3099 transitions.
[2023-03-21 15:30:07] [INFO ] Found NUPN structural information;
[2023-03-21 15:30:07] [INFO ] Parsed PT model containing 2587 places and 3099 transitions and 6479 arcs in 210 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 2587/2587 places, 3099/3099 transitions.
Graph (trivial) has 2957 edges and 2587 vertex of which 882 / 2587 are part of one of the 63 SCC in 13 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 1768 transition count 973
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 578 transition count 872
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 545 transition count 869
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 545 transition count 849
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 525 transition count 849
Performed 292 Post agglomeration using F-continuation condition with reduction of 75 identical transitions.
Deduced a syphon composed of 292 places in 2 ms
Reduce places removed 292 places and 0 transitions.
Iterating global reduction 3 with 584 rules applied. Total rules applied 3142 place count 233 transition count 482
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 233 transition count 479
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: -60
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 209 transition count 539
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 209 transition count 524
Applied a total of 3208 rules in 110 ms. Remains 209 /2587 variables (removed 2378) and now considering 524/3099 (removed 2575) transitions.
[2023-03-21 15:30:07] [INFO ] Flow matrix only has 443 transitions (discarded 81 similar events)
// Phase 1: matrix 443 rows 209 cols
[2023-03-21 15:30:07] [INFO ] Computed 4 place invariants in 24 ms
[2023-03-21 15:30:07] [INFO ] Implicit Places using invariants in 284 ms returned []
[2023-03-21 15:30:07] [INFO ] Flow matrix only has 443 transitions (discarded 81 similar events)
[2023-03-21 15:30:07] [INFO ] Invariant cache hit.
[2023-03-21 15:30:07] [INFO ] State equation strengthened by 9 read => feed constraints.
[2023-03-21 15:30:07] [INFO ] Implicit Places using invariants and state equation in 318 ms returned [141]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 629 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 208/2587 places, 524/3099 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
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 2 place count 207 transition count 523
Applied a total of 2 rules in 12 ms. Remains 207 /208 variables (removed 1) and now considering 523/524 (removed 1) transitions.
[2023-03-21 15:30:07] [INFO ] Flow matrix only has 442 transitions (discarded 81 similar events)
// Phase 1: matrix 442 rows 207 cols
[2023-03-21 15:30:07] [INFO ] Computed 3 place invariants in 3 ms
[2023-03-21 15:30:08] [INFO ] Implicit Places using invariants in 112 ms returned []
[2023-03-21 15:30:08] [INFO ] Flow matrix only has 442 transitions (discarded 81 similar events)
[2023-03-21 15:30:08] [INFO ] Invariant cache hit.
[2023-03-21 15:30:08] [INFO ] State equation strengthened by 9 read => feed constraints.
[2023-03-21 15:30:08] [INFO ] Implicit Places using invariants and state equation in 285 ms returned []
Implicit Place search using SMT with State Equation took 401 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 207/2587 places, 523/3099 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1153 ms. Remains : 207/2587 places, 523/3099 transitions.
Discarding 322 transitions out of 523. Remains 201
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 1770 resets, run finished after 582 ms. (steps per millisecond=17 ) properties (out of 200) seen :65
Incomplete Best-First random walk after 101 steps, including 3 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 100 steps, including 5 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 101 steps, including 6 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 100 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 101 steps, including 4 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 100 steps, including 6 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 101 steps, including 4 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 101 steps, including 4 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 101 steps, including 4 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 100 steps, including 4 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 100 steps, including 6 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 100 steps, including 5 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 101 steps, including 3 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 101 steps, including 5 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 100 steps, including 5 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 101 steps, including 5 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 101 steps, including 6 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 101 steps, including 3 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 100 steps, including 6 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 101 steps, including 3 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 101 steps, including 4 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 101 steps, including 5 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 101 steps, including 4 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 100 steps, including 4 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 101 steps, including 3 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 100 steps, including 6 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 100 steps, including 6 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 100 steps, including 5 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 101 steps, including 4 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 100 steps, including 6 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 101 steps, including 5 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 101 steps, including 4 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 101 steps, including 5 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 101 steps, including 3 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 100 steps, including 6 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 101 steps, including 5 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 100 steps, including 5 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 101 steps, including 5 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 100 steps, including 6 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 101 steps, including 4 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 101 steps, including 5 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 101 steps, including 5 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 101 steps, including 4 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 100 steps, including 6 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 101 steps, including 3 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 101 steps, including 4 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 100 steps, including 3 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 101 steps, including 3 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 101 steps, including 3 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 135) seen :0
Incomplete Best-First random walk after 101 steps, including 3 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 135) seen :0
Running SMT prover for 135 properties.
[2023-03-21 15:30:09] [INFO ] Flow matrix only has 442 transitions (discarded 81 similar events)
[2023-03-21 15:30:09] [INFO ] Invariant cache hit.
[2023-03-21 15:30:10] [INFO ] [Real]Absence check using 0 positive and 3 generalized place invariants in 2 ms returned sat
[2023-03-21 15:30:13] [INFO ] After 3465ms SMT Verify possible using state equation in real domain returned unsat :3 sat :20 real:112
[2023-03-21 15:30:13] [INFO ] State equation strengthened by 9 read => feed constraints.
[2023-03-21 15:30:14] [INFO ] After 300ms SMT Verify possible using 9 Read/Feed constraints in real domain returned unsat :3 sat :0 real:132
[2023-03-21 15:30:14] [INFO ] After 4808ms SMT Verify possible using all constraints in real domain returned unsat :3 sat :0 real:132
[2023-03-21 15:30:14] [INFO ] [Nat]Absence check using 0 positive and 3 generalized place invariants in 3 ms returned sat
[2023-03-21 15:30:18] [INFO ] After 3207ms SMT Verify possible using state equation in natural domain returned unsat :3 sat :132
[2023-03-21 15:30:21] [INFO ] After 3320ms SMT Verify possible using 9 Read/Feed constraints in natural domain returned unsat :3 sat :132
[2023-03-21 15:30:26] [INFO ] After 8038ms SMT Verify possible using trap constraints in natural domain returned unsat :3 sat :132
Attempting to minimize the solution found.
Minimization took 3476 ms.
[2023-03-21 15:30:30] [INFO ] After 15868ms SMT Verify possible using all constraints in natural domain returned unsat :3 sat :132
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK STRUCTURAL_REDUCTION TOPOLOGICAL INITIAL_STATE SAT_SMT
Total runtime 23443 ms.
ITS solved all properties within timeout

BK_STOP 1679412631049

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
++ perl -pe 's/.*\.//g'
+ 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-319"
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-319, 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-167814495200092"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-319.tgz
mv CloudReconfiguration-PT-319 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 ;