Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fko/mcc2021-input.r170-oct2-162089287000015.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fko/mcc2021-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.................................................................................................................................................
=====================================================================
Generated by BenchKit 2-4028
Executing tool gold2020
Input is PhilosophersDyn-COL-50, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r170-oct2-162089287000015
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 452K
-rw-r--r-- 1 mcc users 18K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 155K May 10 09:43 CTLCardinality.xml
-rw-r--r-- 1 mcc users 12K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 87K May 10 09:43 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K May 6 14:48 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K Mar 28 16:26 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 28 16:26 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 28 16:26 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 28 16:26 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 27 09:19 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 19K Mar 27 09:19 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.2K Mar 25 11:52 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 25 11:52 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 22 09:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 22 09:16 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 5 16:51 equiv_pt
-rw-r--r-- 1 mcc users 3 May 5 16:51 instance
-rw-r--r-- 1 mcc users 5 May 5 16:51 iscolored
-rw-r--r-- 1 mcc users 34K May 5 16:51 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME PhilosophersDyn-COL-50-ReachabilityCardinality-00
FORMULA_NAME PhilosophersDyn-COL-50-ReachabilityCardinality-01
FORMULA_NAME PhilosophersDyn-COL-50-ReachabilityCardinality-02
FORMULA_NAME PhilosophersDyn-COL-50-ReachabilityCardinality-03
FORMULA_NAME PhilosophersDyn-COL-50-ReachabilityCardinality-04
FORMULA_NAME PhilosophersDyn-COL-50-ReachabilityCardinality-05
FORMULA_NAME PhilosophersDyn-COL-50-ReachabilityCardinality-06
FORMULA_NAME PhilosophersDyn-COL-50-ReachabilityCardinality-07
FORMULA_NAME PhilosophersDyn-COL-50-ReachabilityCardinality-08
FORMULA_NAME PhilosophersDyn-COL-50-ReachabilityCardinality-09
FORMULA_NAME PhilosophersDyn-COL-50-ReachabilityCardinality-10
FORMULA_NAME PhilosophersDyn-COL-50-ReachabilityCardinality-11
FORMULA_NAME PhilosophersDyn-COL-50-ReachabilityCardinality-12
FORMULA_NAME PhilosophersDyn-COL-50-ReachabilityCardinality-13
FORMULA_NAME PhilosophersDyn-COL-50-ReachabilityCardinality-14
FORMULA_NAME PhilosophersDyn-COL-50-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1621372013593

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2021-05-18 21:06:56] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -timeout, 3600, -rebuildPNML]
[2021-05-18 21:06:56] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-18 21:06:56] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
[2021-05-18 21:06:57] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 592 ms
[2021-05-18 21:06:57] [INFO ] sort/places :
Neighbourhood->Neighbourhood,
Philosopher->Outside,Think,Forks,WaitLeft,WaitRight,HasLeft,HasRight,

[2021-05-18 21:06:57] [INFO ] Imported 8 HL places and 7 HL transitions for a total of 2850 PT places and 257600.0 transition bindings in 73 ms.
[2021-05-18 21:06:57] [INFO ] Computed order based on color domains.
[2021-05-18 21:06:58] [INFO ] Unfolded HLPN to a Petri net with 2850 places and 257550 transitions in 1459 ms.
[2021-05-18 21:06:58] [INFO ] Unfolded HLPN properties in 2 ms.
[2021-05-18 21:06:58] [INFO ] Initial state test concluded for 5 properties.
Ensure Unique test removed 1225 transitions
Reduce redundant transitions removed 1225 transitions.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 2532 ms.
Working with output stream class java.io.PrintStream
FORMULA PhilosophersDyn-COL-50-ReachabilityCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PhilosophersDyn-COL-50-ReachabilityCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PhilosophersDyn-COL-50-ReachabilityCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PhilosophersDyn-COL-50-ReachabilityCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PhilosophersDyn-COL-50-ReachabilityCardinality-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 1118 resets, run finished after 15664 ms. (steps per millisecond=0 ) properties seen :[1, 1, 1, 1, 0, 1, 0, 0, 1, 1, 0]
FORMULA PhilosophersDyn-COL-50-ReachabilityCardinality-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PhilosophersDyn-COL-50-ReachabilityCardinality-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PhilosophersDyn-COL-50-ReachabilityCardinality-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PhilosophersDyn-COL-50-ReachabilityCardinality-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PhilosophersDyn-COL-50-ReachabilityCardinality-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PhilosophersDyn-COL-50-ReachabilityCardinality-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PhilosophersDyn-COL-50-ReachabilityCardinality-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 7 resets, run finished after 582 ms. (steps per millisecond=17 ) properties seen :[0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 7 resets, run finished after 151 ms. (steps per millisecond=66 ) properties seen :[0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 6 resets, run finished after 134 ms. (steps per millisecond=74 ) properties seen :[0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 7 resets, run finished after 781 ms. (steps per millisecond=12 ) properties seen :[0, 0, 0, 0]
[2021-05-18 21:07:17] [INFO ] Flow matrix only has 246525 transitions (discarded 9800 similar events)
// Phase 1: matrix 246525 rows 2850 cols
[2021-05-18 21:17:19] [INFO ] Invariants computation overflowed in 601274 ms
[2021-05-18 21:17:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-18 21:17:24] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream closed (>= t67890 0)") while checking expression at index 0
[2021-05-18 21:17:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-18 21:17:29] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Broken pipe") while checking expression at index 1
[2021-05-18 21:17:29] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-18 21:17:34] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Broken pipe") while checking expression at index 2
[2021-05-18 21:17:34] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-18 21:17:39] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe (>= t29535 0)") while checking expression at index 3
Support contains 2750 out of 2850 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 2850/2850 places, 256325/256325 transitions.
Applied a total of 0 rules in 3389 ms. Remains 2850 /2850 variables (removed 0) and now considering 256325/256325 (removed 0) transitions.
[2021-05-18 21:17:42] [INFO ] Flow matrix only has 246525 transitions (discarded 9800 similar events)
// Phase 1: matrix 246525 rows 2850 cols
[2021-05-18 21:26:09] [INFO ] Invariants computation overflowed in 506790 ms
[2021-05-18 21:26:39] [INFO ] Performed 8132/256325 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2021-05-18 21:27:09] [INFO ] Dead Transitions with SMT raised an exceptionSMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe (and (>= s340 1) (>= s2540 1) (>= s2606 1) (>= s2640 1))") after 566925 ms
Finished structural reductions, in 1 iterations. Remains : 2850/2850 places, 256325/256325 transitions.
Interrupted random walk after 25003 steps, including 2782 resets, run timeout after 30003 ms. (steps per millisecond=0 ) properties seen :[0, 0, 0, 0]
Interrupted Best-First random walk after 90322 steps, including 64 resets, run timeout after 5041 ms. (steps per millisecond=17 ) properties seen :[0, 0, 0, 0]
Interrupted Best-First random walk after 427986 steps, including 304 resets, run timeout after 5003 ms. (steps per millisecond=85 ) properties seen :[0, 0, 0, 0]
Interrupted Best-First random walk after 524833 steps, including 343 resets, run timeout after 5005 ms. (steps per millisecond=104 ) properties seen :[0, 0, 0, 0]
Interrupted Best-First random walk after 67601 steps, including 50 resets, run timeout after 5051 ms. (steps per millisecond=13 ) properties seen :[0, 0, 0, 0]
Interrupted probabilistic random walk after 13334 steps, run timeout after 30009 ms. (steps per millisecond=0 ) properties seen :[0, 0, 0, 0]
Probabilistic random walk after 13334 steps, saw 3671 distinct states, run finished after 30023 ms. (steps per millisecond=0 ) properties seen :[0, 0, 0, 0]
[2021-05-18 21:28:30] [INFO ] Flow matrix only has 246525 transitions (discarded 9800 similar events)
// Phase 1: matrix 246525 rows 2850 cols
[2021-05-18 21:36:44] [INFO ] Invariants computation overflowed in 494257 ms
[2021-05-18 21:36:44] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-18 21:37:00] [INFO ] [Real]Absence check using state equation in 15199 ms returned unsat
[2021-05-18 21:37:00] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-18 21:37:17] [INFO ] [Real]Absence check using state equation in 16856 ms returned unsat
[2021-05-18 21:37:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-18 21:38:02] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-18 21:38:02] [INFO ] [Real]Absence check using state equation in 44576 ms returned (error "Failed to check-sat")
[2021-05-18 21:38:02] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-18 21:38:16] [INFO ] [Real]Absence check using state equation in 13504 ms returned unsat
FORMULA PhilosophersDyn-COL-50-ReachabilityCardinality-15 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA PhilosophersDyn-COL-50-ReachabilityCardinality-10 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA PhilosophersDyn-COL-50-ReachabilityCardinality-08 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Support contains 200 out of 2850 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 2850/2850 places, 256325/256325 transitions.
Applied a total of 0 rules in 26481 ms. Remains 2850 /2850 variables (removed 0) and now considering 256325/256325 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 2850/2850 places, 256325/256325 transitions.
Interrupted random walk after 28529 steps, including 3188 resets, run timeout after 30002 ms. (steps per millisecond=0 ) properties seen :[0]
Interrupted Best-First random walk after 627838 steps, including 409 resets, run timeout after 5002 ms. (steps per millisecond=125 ) properties seen :[0]
Interrupted probabilistic random walk after 17009 steps, run timeout after 30001 ms. (steps per millisecond=0 ) properties seen :[0]
Probabilistic random walk after 17009 steps, saw 4750 distinct states, run finished after 30004 ms. (steps per millisecond=0 ) properties seen :[0]
[2021-05-18 21:39:48] [INFO ] Flow matrix only has 246525 transitions (discarded 9800 similar events)
// Phase 1: matrix 246525 rows 2850 cols
[2021-05-18 21:48:31] [INFO ] Invariants computation overflowed in 523033 ms
[2021-05-18 21:48:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-18 21:49:16] [INFO ] [Real]Absence check using state equation in 44864 ms returned (error "Failed to check-sat")
Support contains 200 out of 2850 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 2850/2850 places, 256325/256325 transitions.
Applied a total of 0 rules in 16598 ms. Remains 2850 /2850 variables (removed 0) and now considering 256325/256325 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 2850/2850 places, 256325/256325 transitions.
Starting structural reductions, iteration 0 : 2850/2850 places, 256325/256325 transitions.
Applied a total of 0 rules in 15107 ms. Remains 2850 /2850 variables (removed 0) and now considering 256325/256325 (removed 0) transitions.
[2021-05-18 21:49:48] [INFO ] Flow matrix only has 246525 transitions (discarded 9800 similar events)
// Phase 1: matrix 246525 rows 2850 cols
[2021-05-18 21:59:03] [INFO ] Invariants computation overflowed in 555190 ms
[2021-05-18 21:59:32] [INFO ] Implicit Places using invariants in 584342 ms returned []
Implicit Place search using SMT only with invariants took 584349 ms to find 0 implicit places.
[2021-05-18 21:59:32] [INFO ] Flow matrix only has 246525 transitions (discarded 9800 similar events)
// Phase 1: matrix 246525 rows 2850 cols
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16427332 kB
MemFree: 4749056 kB
After kill :
MemTotal: 16427332 kB
MemFree: 16145704 kB

--------------------
content from stderr:

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="PhilosophersDyn-COL-50"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="gold2020"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
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 2-4028"
echo " Executing tool gold2020"
echo " Input is PhilosophersDyn-COL-50, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r170-oct2-162089287000015"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PhilosophersDyn-COL-50.tgz
mv PhilosophersDyn-COL-50 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;