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.r277-smll-167863548600181.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 NoC3x3-PT-5A, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r277-smll-167863548600181
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 688K
-rw-r--r-- 1 mcc users 7.4K Feb 26 09:49 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K Feb 26 09:49 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Feb 26 09:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 66K Feb 26 09:48 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 16:28 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 16:28 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Feb 25 16:28 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 16:28 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.1K Feb 26 09:51 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 82K Feb 26 09:51 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.8K Feb 26 09:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K Feb 26 09:50 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Feb 25 16:28 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:28 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 248K Mar 5 18:23 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 1678872941223

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=NoC3x3-PT-5A
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-15 09:35:45] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2023-03-15 09:35:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-15 09:35:45] [INFO ] Load time of PNML (sax parser for PT used): 155 ms
[2023-03-15 09:35:45] [INFO ] Transformed 417 places.
[2023-03-15 09:35:45] [INFO ] Transformed 933 transitions.
[2023-03-15 09:35:45] [INFO ] Found NUPN structural information;
[2023-03-15 09:35:45] [INFO ] Parsed PT model containing 417 places and 933 transitions and 3585 arcs in 285 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 3 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 7 ms.20471KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 417/417 places, 933/933 transitions.
Computed a total of 10 stabilizing places and 1 stable transitions
Computed a total of 10 stabilizing places and 1 stable transitions
Discarding 79 places :
Symmetric choice reduction at 0 with 79 rule applications. Total rules 79 place count 338 transition count 744
Iterating global reduction 0 with 79 rules applied. Total rules applied 158 place count 338 transition count 744
Computed a total of 10 stabilizing places and 1 stable transitions
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 162 place count 334 transition count 728
Iterating global reduction 0 with 4 rules applied. Total rules applied 166 place count 334 transition count 728
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Computed a total of 10 stabilizing places and 1 stable transitions
Iterating post reduction 0 with 8 rules applied. Total rules applied 174 place count 334 transition count 720
Computed a total of 10 stabilizing places and 1 stable transitions
Computed a total of 10 stabilizing places and 1 stable transitions
Drop transitions removed 18 transitions
Redundant transition composition rules discarded 18 transitions
Iterating global reduction 1 with 18 rules applied. Total rules applied 192 place count 334 transition count 702
Reduce places removed 2 places and 0 transitions.
Computed a total of 8 stabilizing places and 1 stable transitions
Iterating post reduction 1 with 2 rules applied. Total rules applied 194 place count 332 transition count 702
Computed a total of 8 stabilizing places and 1 stable transitions
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 196 place count 330 transition count 696
Iterating global reduction 2 with 2 rules applied. Total rules applied 198 place count 330 transition count 696
Computed a total of 8 stabilizing places and 1 stable transitions
Computed a total of 8 stabilizing places and 1 stable transitions
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 199 place count 329 transition count 695
Reduce places removed 7 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Iterating post reduction 2 with 7 rules applied. Total rules applied 206 place count 322 transition count 695
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 206 rules in 334 ms. Remains 322 /417 variables (removed 95) and now considering 695/933 (removed 238) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 335 ms. Remains : 322/417 places, 695/933 transitions.
Random walk for 1250000 steps, including 0 resets, run took 4189 ms (no deadlock found). (steps per millisecond=298 )
Random directed walk for 1250005 steps, including 0 resets, run took 4021 ms (no deadlock found). (steps per millisecond=310 )
// Phase 1: matrix 695 rows 322 cols
[2023-03-15 09:35:54] [INFO ] Computed 57 place invariants in 19 ms
[2023-03-15 09:35:54] [INFO ] [Real]Absence check using 57 positive place invariants in 29 ms returned sat
[2023-03-15 09:35:54] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 09:35:55] [INFO ] [Real]Absence check using state equation in 519 ms returned sat
[2023-03-15 09:35:55] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 09:35:55] [INFO ] [Nat]Absence check using 57 positive place invariants in 37 ms returned sat
[2023-03-15 09:35:55] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 09:35:56] [INFO ] [Nat]Absence check using state equation in 811 ms returned sat
[2023-03-15 09:35:56] [INFO ] State equation strengthened by 18 read => feed constraints.
[2023-03-15 09:35:56] [INFO ] [Nat]Added 18 Read/Feed constraints in 57 ms returned sat
[2023-03-15 09:35:56] [INFO ] Computed and/alt/rep : 630/2391/630 causal constraints (skipped 34 transitions) in 70 ms.
[2023-03-15 09:36:04] [INFO ] Added : 400 causal constraints over 80 iterations in 7781 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 39 ms.
Parikh directed walk for 92000 steps, including 643 resets, run took 737 ms. (steps per millisecond=124 )
Random directed walk for 500003 steps, including 0 resets, run took 1717 ms (no deadlock found). (steps per millisecond=291 )
Random walk for 500000 steps, including 0 resets, run took 1275 ms (no deadlock found). (steps per millisecond=392 )
Random directed walk for 500000 steps, including 0 resets, run took 1640 ms (no deadlock found). (steps per millisecond=304 )
Random walk for 500000 steps, including 0 resets, run took 1570 ms (no deadlock found). (steps per millisecond=318 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 322/322 places, 695/695 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 21 ms. Remains 322 /322 variables (removed 0) and now considering 695/695 (removed 0) transitions.
[2023-03-15 09:36:11] [INFO ] Invariant cache hit.
[2023-03-15 09:36:11] [INFO ] Implicit Places using invariants in 507 ms returned []
[2023-03-15 09:36:11] [INFO ] Invariant cache hit.
[2023-03-15 09:36:12] [INFO ] State equation strengthened by 18 read => feed constraints.
[2023-03-15 09:36:12] [INFO ] Implicit Places using invariants and state equation in 715 ms returned []
Implicit Place search using SMT with State Equation took 1229 ms to find 0 implicit places.
[2023-03-15 09:36:12] [INFO ] Redundant transitions in 69 ms returned []
[2023-03-15 09:36:12] [INFO ] Invariant cache hit.
[2023-03-15 09:36:13] [INFO ] Dead Transitions using invariants and state equation in 678 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 2010 ms. Remains : 322/322 places, 695/695 transitions.
Random walk for 1250000 steps, including 0 resets, run took 3432 ms (no deadlock found). (steps per millisecond=364 )
Random directed walk for 1250001 steps, including 0 resets, run took 3721 ms (no deadlock found). (steps per millisecond=335 )
[2023-03-15 09:36:20] [INFO ] Invariant cache hit.
[2023-03-15 09:36:20] [INFO ] [Real]Absence check using 57 positive place invariants in 38 ms returned sat
[2023-03-15 09:36:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 09:36:21] [INFO ] [Real]Absence check using state equation in 446 ms returned sat
[2023-03-15 09:36:21] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 09:36:21] [INFO ] [Nat]Absence check using 57 positive place invariants in 24 ms returned sat
[2023-03-15 09:36:21] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 09:36:22] [INFO ] [Nat]Absence check using state equation in 830 ms returned sat
[2023-03-15 09:36:22] [INFO ] State equation strengthened by 18 read => feed constraints.
[2023-03-15 09:36:22] [INFO ] [Nat]Added 18 Read/Feed constraints in 147 ms returned sat
[2023-03-15 09:36:22] [INFO ] Deduced a trap composed of 17 places in 70 ms of which 2 ms to minimize.
[2023-03-15 09:36:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 144 ms
[2023-03-15 09:36:22] [INFO ] Computed and/alt/rep : 630/2391/630 causal constraints (skipped 34 transitions) in 80 ms.
[2023-03-15 09:36:27] [INFO ] Deduced a trap composed of 20 places in 118 ms of which 2 ms to minimize.
[2023-03-15 09:36:28] [INFO ] Deduced a trap composed of 25 places in 107 ms of which 3 ms to minimize.
[2023-03-15 09:36:28] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 435 ms
[2023-03-15 09:36:28] [INFO ] Added : 441 causal constraints over 89 iterations in 5655 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 19 ms.
Parikh directed walk for 104900 steps, including 636 resets, run took 581 ms. (steps per millisecond=180 )
Random directed walk for 500005 steps, including 0 resets, run took 1585 ms (no deadlock found). (steps per millisecond=315 )
Random walk for 500000 steps, including 0 resets, run took 1400 ms (no deadlock found). (steps per millisecond=357 )
Random directed walk for 500003 steps, including 0 resets, run took 1514 ms (no deadlock found). (steps per millisecond=330 )
Random walk for 500000 steps, including 0 resets, run took 1107 ms (no deadlock found). (steps per millisecond=451 )
[2023-03-15 09:36:34] [INFO ] Flatten gal took : 190 ms
[2023-03-15 09:36:34] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 5 ms.
[2023-03-15 09:36:34] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 417 places, 933 transitions and 3585 arcs took 7 ms.
Total runtime 49862 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT NoC3x3-PT-5A
BK_EXAMINATION: ReachabilityDeadlock
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/372
GlobalProperty: ReachabilityDeadlock
TIME LIMIT: Killed by timeout after 1800 seconds
MemTotal: 16393216 kB
MemFree: 9192528 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16122896 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/372/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/372/model.pnml
lola: STP: formula with 544078 variables and 2120667 clauses shipped to Minisat
lola: SIPHON RESULT 1
lola: caught signal Terminated - aborting LoLA

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY


Time elapsed: 1746 secs. Pages in use: 8

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="NoC3x3-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 NoC3x3-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 r277-smll-167863548600181"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NoC3x3-PT-5A.tgz
mv NoC3x3-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 ;