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.r085-smll-167814406800266.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 CloudDeployment-PT-6a, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r085-smll-167814406800266
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 788K
-rw-r--r-- 1 mcc users 6.8K Feb 25 15:25 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K Feb 25 15:25 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Feb 25 15:03 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Feb 25 15:03 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 15:45 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 15:45 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 15:45 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 15:45 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Feb 25 15:41 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 158K Feb 25 15:41 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Feb 25 15:34 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 53K Feb 25 15:34 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 15:45 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 15:45 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 317K 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 ReachabilityDeadlock

=== Now, execution of the tool begins

BK_START 1678230739538

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=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CloudDeployment-PT-6a
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-07 23:12:23] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2023-03-07 23:12:23] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-07 23:12:23] [INFO ] Load time of PNML (sax parser for PT used): 253 ms
[2023-03-07 23:12:23] [INFO ] Transformed 221 places.
[2023-03-07 23:12:23] [INFO ] Transformed 908 transitions.
[2023-03-07 23:12:23] [INFO ] Found NUPN structural information;
[2023-03-07 23:12:23] [INFO ] Parsed PT model containing 221 places and 908 transitions and 5517 arcs in 441 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 5 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 114 transitions
Reduce redundant transitions removed 114 transitions.
Built sparse matrix representations for Structural reductions in 9 ms.20681KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 221/221 places, 794/794 transitions.
Graph (trivial) has 241 edges and 221 vertex of which 60 / 221 are part of one of the 18 SCC in 7 ms
Free SCC test removed 42 places
Ensure Unique test removed 120 transitions
Reduce isomorphic transitions removed 120 transitions.
Computed a total of 125 stabilizing places and 479 stable transitions
Graph (complete) has 2101 edges and 179 vertex of which 166 are kept as prefixes of interest. Removing 13 places using SCC suffix rule.23 ms
Discarding 13 places :
Also discarding 0 output transitions
Computed a total of 112 stabilizing places and 478 stable transitions
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 12 place count 156 transition count 616
Iterating global reduction 0 with 10 rules applied. Total rules applied 22 place count 156 transition count 616
Computed a total of 102 stabilizing places and 432 stable transitions
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 25 place count 153 transition count 613
Iterating global reduction 0 with 3 rules applied. Total rules applied 28 place count 153 transition count 613
Computed a total of 99 stabilizing places and 429 stable transitions
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 30 place count 151 transition count 611
Iterating global reduction 0 with 2 rules applied. Total rules applied 32 place count 151 transition count 611
Computed a total of 97 stabilizing places and 427 stable transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 33 place count 150 transition count 610
Iterating global reduction 0 with 1 rules applied. Total rules applied 34 place count 150 transition count 610
Computed a total of 96 stabilizing places and 426 stable transitions
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: -66
Deduced a syphon composed of 18 places in 1 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 0 with 36 rules applied. Total rules applied 70 place count 132 transition count 676
Computed a total of 78 stabilizing places and 492 stable transitions
Computed a total of 78 stabilizing places and 492 stable transitions
Drop transitions removed 177 transitions
Redundant transition composition rules discarded 177 transitions
Iterating global reduction 0 with 177 rules applied. Total rules applied 247 place count 132 transition count 499
Computed a total of 78 stabilizing places and 390 stable transitions
Computed a total of 78 stabilizing places and 390 stable transitions
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 248 place count 131 transition count 498
Computed a total of 77 stabilizing places and 390 stable transitions
Computed a total of 77 stabilizing places and 390 stable transitions
Applied a total of 248 rules in 336 ms. Remains 131 /221 variables (removed 90) and now considering 498/794 (removed 296) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 339 ms. Remains : 131/221 places, 498/794 transitions.
Random walk for 1250000 steps, including 20635 resets, run took 3165 ms (no deadlock found). (steps per millisecond=394 )
Random directed walk for 1250019 steps, including 5380 resets, run took 3794 ms (no deadlock found). (steps per millisecond=329 )
[2023-03-07 23:12:31] [INFO ] Flow matrix only has 199 transitions (discarded 299 similar events)
// Phase 1: matrix 199 rows 131 cols
[2023-03-07 23:12:31] [INFO ] Computed 23 place invariants in 10 ms
[2023-03-07 23:12:31] [INFO ] [Real]Absence check using 0 positive and 23 generalized place invariants in 23 ms returned sat
[2023-03-07 23:12:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-07 23:12:31] [INFO ] [Real]Absence check using state equation in 167 ms returned sat
[2023-03-07 23:12:32] [INFO ] Solution in real domain found non-integer solution.
[2023-03-07 23:12:32] [INFO ] [Nat]Absence check using 0 positive and 23 generalized place invariants in 13 ms returned sat
[2023-03-07 23:12:32] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-07 23:12:32] [INFO ] [Nat]Absence check using state equation in 153 ms returned sat
[2023-03-07 23:12:32] [INFO ] State equation strengthened by 7 read => feed constraints.
[2023-03-07 23:12:32] [INFO ] [Nat]Added 7 Read/Feed constraints in 26 ms returned sat
[2023-03-07 23:12:32] [INFO ] Computed and/alt/rep : 146/270/146 causal constraints (skipped 15 transitions) in 49 ms.
[2023-03-07 23:12:33] [INFO ] Added : 96 causal constraints over 20 iterations in 719 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 10 ms.
Parikh directed walk for 9300 steps, including 130 resets, run took 58 ms. (steps per millisecond=160 )
Random directed walk for 500002 steps, including 2159 resets, run took 1551 ms (no deadlock found). (steps per millisecond=322 )
Random walk for 500000 steps, including 8248 resets, run took 1165 ms (no deadlock found). (steps per millisecond=429 )
Random directed walk for 500000 steps, including 2164 resets, run took 1270 ms (no deadlock found). (steps per millisecond=393 )
Random walk for 500000 steps, including 8252 resets, run took 1346 ms (no deadlock found). (steps per millisecond=371 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 131/131 places, 498/498 transitions.
Computed a total of 77 stabilizing places and 390 stable transitions
Computed a total of 77 stabilizing places and 390 stable transitions
Computed a total of 77 stabilizing places and 390 stable transitions
Applied a total of 0 rules in 47 ms. Remains 131 /131 variables (removed 0) and now considering 498/498 (removed 0) transitions.
[2023-03-07 23:12:38] [INFO ] Flow matrix only has 199 transitions (discarded 299 similar events)
[2023-03-07 23:12:38] [INFO ] Invariant cache hit.
[2023-03-07 23:12:38] [INFO ] Implicit Places using invariants in 323 ms returned []
[2023-03-07 23:12:38] [INFO ] Flow matrix only has 199 transitions (discarded 299 similar events)
[2023-03-07 23:12:38] [INFO ] Invariant cache hit.
[2023-03-07 23:12:39] [INFO ] State equation strengthened by 7 read => feed constraints.
[2023-03-07 23:12:39] [INFO ] Implicit Places using invariants and state equation in 383 ms returned []
Implicit Place search using SMT with State Equation took 711 ms to find 0 implicit places.
[2023-03-07 23:12:40] [INFO ] Redundant transitions in 745 ms returned []
[2023-03-07 23:12:40] [INFO ] Flow matrix only has 199 transitions (discarded 299 similar events)
[2023-03-07 23:12:40] [INFO ] Invariant cache hit.
[2023-03-07 23:12:40] [INFO ] Dead Transitions using invariants and state equation in 423 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 1954 ms. Remains : 131/131 places, 498/498 transitions.
Random walk for 1250000 steps, including 20681 resets, run took 3350 ms (no deadlock found). (steps per millisecond=373 )
Random directed walk for 1250006 steps, including 5413 resets, run took 3188 ms (no deadlock found). (steps per millisecond=392 )
[2023-03-07 23:12:47] [INFO ] Flow matrix only has 199 transitions (discarded 299 similar events)
[2023-03-07 23:12:47] [INFO ] Invariant cache hit.
[2023-03-07 23:12:47] [INFO ] [Real]Absence check using 0 positive and 23 generalized place invariants in 12 ms returned sat
[2023-03-07 23:12:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-07 23:12:47] [INFO ] [Real]Absence check using state equation in 99 ms returned sat
[2023-03-07 23:12:47] [INFO ] Solution in real domain found non-integer solution.
[2023-03-07 23:12:47] [INFO ] [Nat]Absence check using 0 positive and 23 generalized place invariants in 13 ms returned sat
[2023-03-07 23:12:47] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-07 23:12:47] [INFO ] [Nat]Absence check using state equation in 100 ms returned sat
[2023-03-07 23:12:47] [INFO ] State equation strengthened by 7 read => feed constraints.
[2023-03-07 23:12:47] [INFO ] [Nat]Added 7 Read/Feed constraints in 13 ms returned sat
[2023-03-07 23:12:47] [INFO ] Computed and/alt/rep : 146/270/146 causal constraints (skipped 15 transitions) in 25 ms.
[2023-03-07 23:12:47] [INFO ] Added : 68 causal constraints over 14 iterations in 387 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 7 ms.
Parikh directed walk for 7900 steps, including 129 resets, run took 48 ms. (steps per millisecond=164 )
Random directed walk for 500000 steps, including 2146 resets, run took 1496 ms (no deadlock found). (steps per millisecond=334 )
Random walk for 500000 steps, including 8251 resets, run took 1156 ms (no deadlock found). (steps per millisecond=432 )
Random directed walk for 500011 steps, including 2156 resets, run took 1496 ms (no deadlock found). (steps per millisecond=334 )
Random walk for 500000 steps, including 8255 resets, run took 1174 ms (no deadlock found). (steps per millisecond=425 )
[2023-03-07 23:12:53] [INFO ] Flatten gal took : 163 ms
[2023-03-07 23:12:53] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 1 ms.
[2023-03-07 23:12:53] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 221 places, 794 transitions and 5109 arcs took 10 ms.
Total runtime 30302 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT CloudDeployment-PT-6a
BK_EXAMINATION: ReachabilityDeadlock
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/370
GlobalProperty: ReachabilityDeadlock
TIME LIMIT: Killed by timeout after 1800 seconds
MemTotal: 16393216 kB
MemFree: 14859684 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16122644 kB

BK_TIME_CONFINEMENT_REACHED

--------------------
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 ReachabilityDeadlock -timeout 180 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/370/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/370/model.pnml
lola: STP: formula with 130268 variables and 560906 clauses shipped to Minisat
lola: SIPHON RESULT 1
lola: caught signal Terminated - aborting LoLA

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY


Time elapsed: 1765 secs. Pages in use: 3

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="CloudDeployment-PT-6a"
export BK_EXAMINATION="ReachabilityDeadlock"
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 CloudDeployment-PT-6a, examination is ReachabilityDeadlock"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r085-smll-167814406800266"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudDeployment-PT-6a.tgz
mv CloudDeployment-PT-6a execution
cd execution
if [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "UpperBounds" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] || [ "ReachabilityDeadlock" = "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 [ "ReachabilityDeadlock" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityDeadlock" != "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 "ReachabilityDeadlock.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityDeadlock.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityDeadlock.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 '' ReachabilityDeadlock.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityDeadlock"
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 ;