Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2021-input.r151-tall-162089151600448.qcow2', fmt=qcow2 size=4294967296 backing_file='/data/fkordon/mcc2021-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
...................
=====================================================================
Generated by BenchKit 2-4028
Executing tool gold2020
Input is Philosophers-PT-001000, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r151-tall-162089151600448
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 47M
-rw-r--r-- 1 mcc users 3.4M May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 19M May 10 09:43 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0M May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 12M 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 6.8K May 6 14:48 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 449K Mar 28 16:26 LTLCardinality.txt
-rw-r--r-- 1 mcc users 1.7M Mar 28 16:26 LTLCardinality.xml
-rw-r--r-- 1 mcc users 336K Mar 28 16:26 LTLFireability.txt
-rw-r--r-- 1 mcc users 1.6M Mar 28 16:26 LTLFireability.xml
-rw-r--r-- 1 mcc users 367K Mar 27 07:23 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 1.2M Mar 27 07:23 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 278K Mar 25 08:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 1.3M Mar 25 08:53 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 104K Mar 22 09:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 262K Mar 22 09:16 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 5 16:51 equiv_col
-rw-r--r-- 1 mcc users 7 May 5 16:51 instance
-rw-r--r-- 1 mcc users 6 May 5 16:51 iscolored
-rw-r--r-- 1 mcc users 4.4M 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 Philosophers-PT-001000-ReachabilityFireability-00
FORMULA_NAME Philosophers-PT-001000-ReachabilityFireability-01
FORMULA_NAME Philosophers-PT-001000-ReachabilityFireability-02
FORMULA_NAME Philosophers-PT-001000-ReachabilityFireability-03
FORMULA_NAME Philosophers-PT-001000-ReachabilityFireability-04
FORMULA_NAME Philosophers-PT-001000-ReachabilityFireability-05
FORMULA_NAME Philosophers-PT-001000-ReachabilityFireability-06
FORMULA_NAME Philosophers-PT-001000-ReachabilityFireability-07
FORMULA_NAME Philosophers-PT-001000-ReachabilityFireability-08
FORMULA_NAME Philosophers-PT-001000-ReachabilityFireability-09
FORMULA_NAME Philosophers-PT-001000-ReachabilityFireability-10
FORMULA_NAME Philosophers-PT-001000-ReachabilityFireability-11
FORMULA_NAME Philosophers-PT-001000-ReachabilityFireability-12
FORMULA_NAME Philosophers-PT-001000-ReachabilityFireability-13
FORMULA_NAME Philosophers-PT-001000-ReachabilityFireability-14
FORMULA_NAME Philosophers-PT-001000-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1621054863050

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2021-05-15 05:01:04] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -timeout, 3600, -rebuildPNML]
[2021-05-15 05:01:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-15 05:01:04] [INFO ] Load time of PNML (sax parser for PT used): 292 ms
[2021-05-15 05:01:04] [INFO ] Transformed 5000 places.
[2021-05-15 05:01:04] [INFO ] Transformed 5000 transitions.
[2021-05-15 05:01:04] [INFO ] Found NUPN structural information;
[2021-05-15 05:01:04] [INFO ] Parsed PT model containing 5000 places and 5000 transitions in 364 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 185 ms.
Working with output stream class java.io.PrintStream
FORMULA Philosophers-PT-001000-ReachabilityFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-PT-001000-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 0 resets, run finished after 864 ms. (steps per millisecond=11 ) properties seen :[0, 0, 0, 1, 1, 1, 1, 0, 1, 0, 0, 0, 1, 1]
FORMULA Philosophers-PT-001000-ReachabilityFireability-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Philosophers-PT-001000-ReachabilityFireability-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Philosophers-PT-001000-ReachabilityFireability-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Philosophers-PT-001000-ReachabilityFireability-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Philosophers-PT-001000-ReachabilityFireability-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Philosophers-PT-001000-ReachabilityFireability-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Philosophers-PT-001000-ReachabilityFireability-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 4079 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 4041 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 4099 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 409 ms. (steps per millisecond=24 ) properties seen :[0, 0, 0, 1, 0, 0, 0]
FORMULA Philosophers-PT-001000-ReachabilityFireability-09 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 559 ms. (steps per millisecond=17 ) properties seen :[0, 0, 0, 1, 0, 0]
FORMULA Philosophers-PT-001000-ReachabilityFireability-11 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 510 ms. (steps per millisecond=19 ) properties seen :[0, 0, 0, 1, 0]
FORMULA Philosophers-PT-001000-ReachabilityFireability-12 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 374 ms. (steps per millisecond=26 ) properties seen :[0, 0, 0, 0]
// Phase 1: matrix 5000 rows 5000 cols
[2021-05-15 05:01:20] [INFO ] Computed 2000 place invariants in 305 ms
[2021-05-15 05:01:25] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 05:01:25] [INFO ] [Real]Absence check using 2000 positive place invariants in 3854 ms returned (error "Failed to check-sat")
[2021-05-15 05:01:25] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-15 05:01:25] [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: Stream closed") while checking expression at index 0
[2021-05-15 05:01:30] [INFO ] [Real]Absence check using 2000 positive place invariants in 4446 ms returned (error "Solver has unexpectedly terminated")
[2021-05-15 05:01:30] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-15 05:01:30] [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: Stream closed") while checking expression at index 1
[2021-05-15 05:01:35] [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 (= 1 (+ s1034 s2229 s3269 s3862 s3863))") while checking expression at index 2
[2021-05-15 05:01:40] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 05:01:40] [INFO ] [Real]Absence check using 2000 positive place invariants in 4260 ms returned (error "Failed to check-sat")
[2021-05-15 05:01:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-15 05:01:40] [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: Stream closed") while checking expression at index 3
Support contains 4004 out of 5000 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 5000/5000 places, 5000/5000 transitions.
Applied a total of 0 rules in 198 ms. Remains 5000 /5000 variables (removed 0) and now considering 5000/5000 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 5000/5000 places, 5000/5000 transitions.
Incomplete random walk after 1000000 steps, including 0 resets, run finished after 27667 ms. (steps per millisecond=36 ) properties seen :[1, 1, 1, 0]
FORMULA Philosophers-PT-001000-ReachabilityFireability-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Philosophers-PT-001000-ReachabilityFireability-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Philosophers-PT-001000-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Interrupted Best-First random walk after 155601 steps, including 0 resets, run timeout after 5022 ms. (steps per millisecond=30 ) properties seen :[0]
// Phase 1: matrix 5000 rows 5000 cols
[2021-05-15 05:02:13] [INFO ] Computed 2000 place invariants in 30 ms
[2021-05-15 05:02:18] [INFO ] [Real]Absence check using 2000 positive place invariants in 4368 ms returned sat
[2021-05-15 05:02:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-15 05:02:58] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 05:02:58] [INFO ] [Real]Absence check using state equation in 40045 ms returned unknown
Support contains 12 out of 5000 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 5000/5000 places, 5000/5000 transitions.
Performed 988 Post agglomeration using F-continuation condition.Transition count delta: 988
Deduced a syphon composed of 988 places in 2 ms
Reduce places removed 988 places and 0 transitions.
Iterating global reduction 0 with 1976 rules applied. Total rules applied 1976 place count 4012 transition count 4012
Free-agglomeration rule (complex) applied 1988 times.
Iterating global reduction 0 with 1988 rules applied. Total rules applied 3964 place count 4012 transition count 2024
Reduce places removed 3956 places and 0 transitions.
Drop transitions removed 1976 transitions
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 1980 transitions.
Iterating post reduction 0 with 5936 rules applied. Total rules applied 9900 place count 56 transition count 44
Ensure Unique test removed 8 places
Iterating post reduction 1 with 8 rules applied. Total rules applied 9908 place count 48 transition count 44
Partial Free-agglomeration rule applied 8 times.
Drop transitions removed 8 transitions
Iterating global reduction 2 with 8 rules applied. Total rules applied 9916 place count 48 transition count 44
Applied a total of 9916 rules in 1238 ms. Remains 48 /5000 variables (removed 4952) and now considering 44/5000 (removed 4956) transitions.
Finished structural reductions, in 1 iterations. Remains : 48/5000 places, 44/5000 transitions.
Finished random walk after 1875 steps, including 0 resets, run visited all 1 properties in 6 ms. (steps per millisecond=312 )
FORMULA Philosophers-PT-001000-ReachabilityFireability-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
All properties solved without resorting to model-checking.

--------------------
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="Philosophers-PT-001000"
export BK_EXAMINATION="ReachabilityFireability"
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 Philosophers-PT-001000, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r151-tall-162089151600448"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Philosophers-PT-001000.tgz
mv Philosophers-PT-001000 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;