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-167814406800256.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-5a, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r085-smll-167814406800256
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 668K
-rw-r--r-- 1 mcc users 7.0K Feb 25 15:04 CTLCardinality.txt
-rw-r--r-- 1 mcc users 78K Feb 25 15:04 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Feb 25 14:57 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Feb 25 14:57 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 15:45 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 15:45 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 15:45 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 15:45 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.0K Feb 25 15:17 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 95K Feb 25 15:17 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.5K Feb 25 15:10 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 85K Feb 25 15:10 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 230K 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 1678230327711

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-5a
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-07 23:05:31] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2023-03-07 23:05:31] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-07 23:05:31] [INFO ] Load time of PNML (sax parser for PT used): 264 ms
[2023-03-07 23:05:31] [INFO ] Transformed 180 places.
[2023-03-07 23:05:31] [INFO ] Transformed 675 transitions.
[2023-03-07 23:05:31] [INFO ] Found NUPN structural information;
[2023-03-07 23:05:31] [INFO ] Parsed PT model containing 180 places and 675 transitions and 3959 arcs in 487 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 80 transitions
Reduce redundant transitions removed 80 transitions.
Built sparse matrix representations for Structural reductions in 9 ms.26592KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 180/180 places, 595/595 transitions.
Graph (trivial) has 201 edges and 180 vertex of which 50 / 180 are part of one of the 15 SCC in 8 ms
Free SCC test removed 35 places
Ensure Unique test removed 95 transitions
Reduce isomorphic transitions removed 95 transitions.
Computed a total of 100 stabilizing places and 345 stable transitions
Graph (complete) has 1567 edges and 145 vertex of which 134 are kept as prefixes of interest. Removing 11 places using SCC suffix rule.17 ms
Discarding 11 places :
Also discarding 0 output transitions
Computed a total of 89 stabilizing places and 344 stable transitions
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 10 place count 126 transition count 457
Iterating global reduction 0 with 8 rules applied. Total rules applied 18 place count 126 transition count 457
Computed a total of 81 stabilizing places and 311 stable transitions
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 20 place count 124 transition count 455
Iterating global reduction 0 with 2 rules applied. Total rules applied 22 place count 124 transition count 455
Computed a total of 79 stabilizing places and 309 stable transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 23 place count 123 transition count 454
Iterating global reduction 0 with 1 rules applied. Total rules applied 24 place count 123 transition count 454
Computed a total of 78 stabilizing places and 308 stable transitions
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: -45
Deduced a syphon composed of 15 places in 2 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 0 with 30 rules applied. Total rules applied 54 place count 108 transition count 499
Computed a total of 63 stabilizing places and 353 stable transitions
Computed a total of 63 stabilizing places and 353 stable transitions
Drop transitions removed 130 transitions
Redundant transition composition rules discarded 130 transitions
Iterating global reduction 0 with 130 rules applied. Total rules applied 184 place count 108 transition count 369
Computed a total of 63 stabilizing places and 278 stable transitions
Computed a total of 63 stabilizing places and 278 stable transitions
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 185 place count 107 transition count 368
Computed a total of 62 stabilizing places and 278 stable transitions
Computed a total of 62 stabilizing places and 278 stable transitions
Applied a total of 185 rules in 319 ms. Remains 107 /180 variables (removed 73) and now considering 368/595 (removed 227) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 320 ms. Remains : 107/180 places, 368/595 transitions.
Random walk for 1250000 steps, including 24516 resets, run took 2720 ms (no deadlock found). (steps per millisecond=459 )
Random directed walk for 1250021 steps, including 7509 resets, run took 2491 ms (no deadlock found). (steps per millisecond=501 )
[2023-03-07 23:05:37] [INFO ] Flow matrix only has 154 transitions (discarded 214 similar events)
// Phase 1: matrix 154 rows 107 cols
[2023-03-07 23:05:37] [INFO ] Computed 19 place invariants in 14 ms
[2023-03-07 23:05:37] [INFO ] [Real]Absence check using 0 positive and 19 generalized place invariants in 20 ms returned sat
[2023-03-07 23:05:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-07 23:05:37] [INFO ] [Real]Absence check using state equation in 173 ms returned sat
[2023-03-07 23:05:38] [INFO ] Solution in real domain found non-integer solution.
[2023-03-07 23:05:38] [INFO ] [Nat]Absence check using 0 positive and 19 generalized place invariants in 10 ms returned sat
[2023-03-07 23:05:38] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-07 23:05:38] [INFO ] [Nat]Absence check using state equation in 121 ms returned sat
[2023-03-07 23:05:38] [INFO ] State equation strengthened by 6 read => feed constraints.
[2023-03-07 23:05:38] [INFO ] [Nat]Added 6 Read/Feed constraints in 13 ms returned sat
[2023-03-07 23:05:38] [INFO ] Computed and/alt/rep : 114/207/114 causal constraints (skipped 13 transitions) in 41 ms.
[2023-03-07 23:05:38] [INFO ] Added : 64 causal constraints over 13 iterations in 372 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 8 ms.
Parikh directed walk for 7400 steps, including 173 resets, run took 38 ms. (steps per millisecond=194 )
Random directed walk for 500024 steps, including 2998 resets, run took 1321 ms (no deadlock found). (steps per millisecond=378 )
Random walk for 500000 steps, including 9849 resets, run took 1001 ms (no deadlock found). (steps per millisecond=499 )
Random directed walk for 500005 steps, including 2990 resets, run took 1013 ms (no deadlock found). (steps per millisecond=493 )
Random walk for 500000 steps, including 9809 resets, run took 997 ms (no deadlock found). (steps per millisecond=501 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 107/107 places, 368/368 transitions.
Computed a total of 62 stabilizing places and 278 stable transitions
Computed a total of 62 stabilizing places and 278 stable transitions
Computed a total of 62 stabilizing places and 278 stable transitions
Applied a total of 0 rules in 18 ms. Remains 107 /107 variables (removed 0) and now considering 368/368 (removed 0) transitions.
[2023-03-07 23:05:43] [INFO ] Flow matrix only has 154 transitions (discarded 214 similar events)
[2023-03-07 23:05:43] [INFO ] Invariant cache hit.
[2023-03-07 23:05:43] [INFO ] Implicit Places using invariants in 128 ms returned []
[2023-03-07 23:05:43] [INFO ] Flow matrix only has 154 transitions (discarded 214 similar events)
[2023-03-07 23:05:43] [INFO ] Invariant cache hit.
[2023-03-07 23:05:43] [INFO ] State equation strengthened by 6 read => feed constraints.
[2023-03-07 23:05:43] [INFO ] Implicit Places using invariants and state equation in 240 ms returned []
Implicit Place search using SMT with State Equation took 374 ms to find 0 implicit places.
[2023-03-07 23:05:43] [INFO ] Redundant transitions in 415 ms returned []
[2023-03-07 23:05:43] [INFO ] Flow matrix only has 154 transitions (discarded 214 similar events)
[2023-03-07 23:05:43] [INFO ] Invariant cache hit.
[2023-03-07 23:05:44] [INFO ] Dead Transitions using invariants and state equation in 380 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 1207 ms. Remains : 107/107 places, 368/368 transitions.
Random walk for 1250000 steps, including 24520 resets, run took 2503 ms (no deadlock found). (steps per millisecond=499 )
Random directed walk for 1250000 steps, including 7513 resets, run took 2469 ms (no deadlock found). (steps per millisecond=506 )
[2023-03-07 23:05:49] [INFO ] Flow matrix only has 154 transitions (discarded 214 similar events)
[2023-03-07 23:05:49] [INFO ] Invariant cache hit.
[2023-03-07 23:05:49] [INFO ] [Real]Absence check using 0 positive and 19 generalized place invariants in 9 ms returned sat
[2023-03-07 23:05:49] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-07 23:05:49] [INFO ] [Real]Absence check using state equation in 65 ms returned sat
[2023-03-07 23:05:49] [INFO ] Solution in real domain found non-integer solution.
[2023-03-07 23:05:49] [INFO ] [Nat]Absence check using 0 positive and 19 generalized place invariants in 38 ms returned sat
[2023-03-07 23:05:49] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-07 23:05:49] [INFO ] [Nat]Absence check using state equation in 55 ms returned sat
[2023-03-07 23:05:49] [INFO ] State equation strengthened by 6 read => feed constraints.
[2023-03-07 23:05:49] [INFO ] [Nat]Added 6 Read/Feed constraints in 6 ms returned sat
[2023-03-07 23:05:49] [INFO ] Computed and/alt/rep : 114/207/114 causal constraints (skipped 13 transitions) in 30 ms.
[2023-03-07 23:05:49] [INFO ] Added : 65 causal constraints over 13 iterations in 220 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 3 ms.
Parikh directed walk for 7400 steps, including 139 resets, run took 26 ms. (steps per millisecond=284 )
Random directed walk for 500023 steps, including 3003 resets, run took 990 ms (no deadlock found). (steps per millisecond=505 )
Random walk for 500000 steps, including 9760 resets, run took 996 ms (no deadlock found). (steps per millisecond=502 )
Random directed walk for 500002 steps, including 3019 resets, run took 987 ms (no deadlock found). (steps per millisecond=506 )
Random walk for 500000 steps, including 9800 resets, run took 998 ms (no deadlock found). (steps per millisecond=501 )
[2023-03-07 23:05:54] [INFO ] Flatten gal took : 119 ms
[2023-03-07 23:05:54] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 2 ms.
[2023-03-07 23:05:54] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 180 places, 595 transitions and 3679 arcs took 7 ms.
Total runtime 23114 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT CloudDeployment-PT-5a
BK_EXAMINATION: ReachabilityDeadlock
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/370
GlobalProperty: ReachabilityDeadlock

FORMULA ReachabilityDeadlock TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1678230577859

--------------------
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 80333 variables and 333831 clauses shipped to Minisat
lola: SIPHON RESULT 1
lola: A deadlock is reachable.

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-5a"
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-5a, 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-167814406800256"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudDeployment-PT-5a.tgz
mv CloudDeployment-PT-5a 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 ;