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-167863548800364.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 Peterson-COL-5, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r277-smll-167863548800364
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 496K
-rw-r--r-- 1 mcc users 7.9K Feb 25 22:30 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K Feb 25 22:30 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.2K Feb 25 22:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 65K Feb 25 22:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.2K Feb 25 16:31 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Feb 25 16:31 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 16:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Feb 25 16:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 25 22:46 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 122K Feb 25 22:46 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Feb 25 22:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 45K Feb 25 22:38 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:31 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:31 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_pt
-rw-r--r-- 1 mcc users 2 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 45K 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 Liveness

=== Now, execution of the tool begins

BK_START 1678879546105

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=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Peterson-COL-5
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-15 11:25:48] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2023-03-15 11:25:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-15 11:25:48] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2023-03-15 11:25:49] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-15 11:25:49] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1079 ms
[2023-03-15 11:25:49] [INFO ] Imported 11 HL places and 14 HL transitions for a total of 864 PT places and 1398.0 transition bindings in 105 ms.
[2023-03-15 11:25:49] [INFO ] Built PT skeleton of HLPN with 11 places and 14 transitions 42 arcs in 5 ms.
[2023-03-15 11:25:49] [INFO ] Skeletonized 0 HLPN properties in 0 ms.
[2023-03-15 11:25:49] [INFO ] Unfolded HLPN to a Petri net with 864 places and 1302 transitions 4068 arcs in 55 ms.
[2023-03-15 11:25:49] [INFO ] Unfolded 0 HLPN properties in 0 ms.
[2023-03-15 11:25:49] [INFO ] Unfolded HLPN to a Petri net with 864 places and 1302 transitions 4068 arcs in 43 ms.
[2023-03-15 11:25:49] [INFO ] Unfolded 14 HLPN properties in 1 ms.
[2023-03-15 11:25:49] [INFO ] Built PT skeleton of HLPN with 11 places and 14 transitions 42 arcs in 1 ms.
[2023-03-15 11:25:49] [INFO ] Skeletonized 14 HLPN properties in 1 ms.
Reduce places removed 2 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Prefix of Interest using HLPN skeleton for deadlock discarded 0 places and 0 transitions.
Domain [Process(6), Tour(5), Process(6)] of place BeginLoop breaks symmetries in sort Process
Arc [2:1*[$i, (MOD (ADD $j 1) 5)]] contains successor/predecessor on variables of sort Tour
Symmetric sort wr.t. initial and guards and successors and join/free detected :Bool
Arc [1:1*[$i, 0]] contains constants of sort Bool
Transition Ask : constants on arcs in [[1:1*[$i, 0]]] introduces in Bool(2) partition with 1 elements that refines current partition to 2 subsets.
[2023-03-15 11:25:49] [INFO ] Unfolded HLPN to a Petri net with 864 places and 1302 transitions 4068 arcs in 23 ms.
[2023-03-15 11:25:49] [INFO ] Unfolded 14 HLPN properties in 1 ms.
Deduced a syphon composed of 30 places in 14 ms
Reduce places removed 30 places and 60 transitions.
Built sparse matrix representations for Structural reductions in 6 ms.33564KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 834/834 places, 1242/1242 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 83 ms. Remains 834 /834 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 84 ms. Remains : 834/834 places, 1242/1242 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 834/834 places, 1242/1242 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 51 ms. Remains 834 /834 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
[2023-03-15 11:25:50] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
// Phase 1: matrix 1122 rows 834 cols
[2023-03-15 11:25:50] [INFO ] Computed 23 place invariants in 34 ms
[2023-03-15 11:25:50] [INFO ] Implicit Places using invariants in 502 ms returned []
[2023-03-15 11:25:50] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2023-03-15 11:25:50] [INFO ] Invariant cache hit.
[2023-03-15 11:25:51] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-15 11:25:51] [INFO ] Implicit Places using invariants and state equation in 788 ms returned []
Implicit Place search using SMT with State Equation took 1328 ms to find 0 implicit places.
[2023-03-15 11:25:51] [INFO ] Redundant transitions in 97 ms returned []
[2023-03-15 11:25:51] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2023-03-15 11:25:51] [INFO ] Invariant cache hit.
[2023-03-15 11:25:52] [INFO ] Dead Transitions using invariants and state equation in 900 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 2388 ms. Remains : 834/834 places, 1242/1242 transitions.
Random walk for 1250000 steps, including 0 resets, run took 2338 ms (no deadlock found). (steps per millisecond=534 )
Random directed walk for 1250005 steps, including 0 resets, run took 2822 ms (no deadlock found). (steps per millisecond=442 )
[2023-03-15 11:25:57] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2023-03-15 11:25:57] [INFO ] Invariant cache hit.
[2023-03-15 11:25:58] [INFO ] [Real]Absence check using 17 positive place invariants in 37 ms returned sat
[2023-03-15 11:25:58] [INFO ] [Real]Absence check using 17 positive and 6 generalized place invariants in 21 ms returned unsat
[2023-03-15 11:25:58] [INFO ] Unfolded HLPN to a Petri net with 864 places and 1302 transitions 4068 arcs in 11 ms.
[2023-03-15 11:25:58] [INFO ] Unfolded 14 HLPN properties in 1 ms.
Initial state reduction rules removed 1 formulas.
Deduced a syphon composed of 30 places in 2 ms
Reduce places removed 30 places and 60 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 214 ms. (steps per millisecond=46 ) properties (out of 13) seen :12
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-15 11:25:58] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2023-03-15 11:25:58] [INFO ] Invariant cache hit.
[2023-03-15 11:25:58] [INFO ] [Real]Absence check using 17 positive place invariants in 22 ms returned sat
[2023-03-15 11:25:58] [INFO ] [Real]Absence check using 17 positive and 6 generalized place invariants in 11 ms returned sat
[2023-03-15 11:25:58] [INFO ] After 321ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-15 11:25:59] [INFO ] [Nat]Absence check using 17 positive place invariants in 21 ms returned sat
[2023-03-15 11:25:59] [INFO ] [Nat]Absence check using 17 positive and 6 generalized place invariants in 10 ms returned sat
[2023-03-15 11:25:59] [INFO ] After 651ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-15 11:25:59] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-15 11:25:59] [INFO ] After 140ms SMT Verify possible using 205 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-15 11:26:00] [INFO ] Deduced a trap composed of 11 places in 551 ms of which 11 ms to minimize.
[2023-03-15 11:26:01] [INFO ] Deduced a trap composed of 40 places in 448 ms of which 2 ms to minimize.
[2023-03-15 11:26:01] [INFO ] Deduced a trap composed of 37 places in 401 ms of which 1 ms to minimize.
[2023-03-15 11:26:02] [INFO ] Deduced a trap composed of 64 places in 467 ms of which 2 ms to minimize.
[2023-03-15 11:26:02] [INFO ] Deduced a trap composed of 46 places in 463 ms of which 2 ms to minimize.
[2023-03-15 11:26:02] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 2745 ms
[2023-03-15 11:26:02] [INFO ] After 2940ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 85 ms.
[2023-03-15 11:26:02] [INFO ] After 4110ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Finished Parikh walk after 9328 steps, including 874 resets, run visited all 1 properties in 74 ms. (steps per millisecond=126 )
Parikh walk visited 1 properties in 105 ms.
Able to resolve query QuasiLiveness after proving 14 properties.
Deduced a syphon composed of 30 places in 4 ms
Reduce places removed 30 places and 60 transitions.
Unable to solve all queries for examination Liveness. Remains :14 assertions to prove.
No /home/mcc/execution/Liveness.xml examination file found. Proceeding without properties.
Parsed 14 properties from file /home/mcc/execution/Liveness.xml in 1 ms.
Working with output stream class java.io.PrintStream
Total runtime 14610 ms.
starting LoLA
BK_INPUT Peterson-COL-5
BK_EXAMINATION: Liveness
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution
GlobalProperty: Liveness
TIME LIMIT: Killed by timeout after 1800 seconds
MemTotal: 16393216 kB
MemFree: 6307124 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16122892 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 Liveness -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/model.pnml
lola: reading pnml
lola: PNML file contains High-Level net
lola: finished parsing
lola: closed net file /home/mcc/execution/model.pnml
lola: TR BINDINGS
lola: TR BINDINGS DONE
lola: Places: 864, Transitions: 1302
lola: @ trans ContinueLoop
lola: @ trans Ask
lola: @ trans NoIdentity
lola: @ trans EndLoop
lola: @ trans UpdateTurn
lola: @ trans ProgressTurn
lola: @ trans NotAlone
lola: @ trans TurnDiff
lola: @ trans TurnEqual
lola: @ trans Identity
lola: @ trans Alone1
lola: @ trans Loop
lola: @ trans AccessCS
lola: @ trans BecomeIdle
lola: LAUNCH SYMM
lola: ..... t1103: false
lola: reporting
lola: not produced: 1301
lola: universal search: 1
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lola: caught signal Terminated - aborting LoLA

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY


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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="Peterson-COL-5"
export BK_EXAMINATION="Liveness"
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 Peterson-COL-5, examination is Liveness"
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-167863548800364"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Peterson-COL-5.tgz
mv Peterson-COL-5 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property Liveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "Liveness.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 '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;