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.r075-tall-162039097200132.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)
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=====================================================================
Generated by BenchKit 2-4028
Executing tool gold2020
Input is DLCflexbar-PT-8a, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r075-tall-162039097200132
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 9.1M
-rw-r--r-- 1 mcc users 15K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 135K May 5 16:58 CTLCardinality.xml
-rw-r--r-- 1 mcc users 9.0K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 71K May 5 16:58 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 6 14:48 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Mar 28 15:57 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 28 15:57 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 28 15:57 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 28 15:57 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.2K Mar 23 07:55 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 16K Mar 23 07:55 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 22 15:21 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 12K Mar 22 15:21 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 22 09:10 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 22 09:10 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 5 16:51 equiv_col
-rw-r--r-- 1 mcc users 3 May 5 16:51 instance
-rw-r--r-- 1 mcc users 6 May 5 16:51 iscolored
-rw-r--r-- 1 mcc users 8.7M 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 DLCflexbar-PT-8a-ReachabilityFireability-00
FORMULA_NAME DLCflexbar-PT-8a-ReachabilityFireability-01
FORMULA_NAME DLCflexbar-PT-8a-ReachabilityFireability-02
FORMULA_NAME DLCflexbar-PT-8a-ReachabilityFireability-03
FORMULA_NAME DLCflexbar-PT-8a-ReachabilityFireability-04
FORMULA_NAME DLCflexbar-PT-8a-ReachabilityFireability-05
FORMULA_NAME DLCflexbar-PT-8a-ReachabilityFireability-06
FORMULA_NAME DLCflexbar-PT-8a-ReachabilityFireability-07
FORMULA_NAME DLCflexbar-PT-8a-ReachabilityFireability-08
FORMULA_NAME DLCflexbar-PT-8a-ReachabilityFireability-09
FORMULA_NAME DLCflexbar-PT-8a-ReachabilityFireability-10
FORMULA_NAME DLCflexbar-PT-8a-ReachabilityFireability-11
FORMULA_NAME DLCflexbar-PT-8a-ReachabilityFireability-12
FORMULA_NAME DLCflexbar-PT-8a-ReachabilityFireability-13
FORMULA_NAME DLCflexbar-PT-8a-ReachabilityFireability-14
FORMULA_NAME DLCflexbar-PT-8a-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1620529138124

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2021-05-09 02:58:59] [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]
[2021-05-09 02:58:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-09 02:59:00] [INFO ] Load time of PNML (sax parser for PT used): 746 ms
[2021-05-09 02:59:00] [INFO ] Transformed 3971 places.
[2021-05-09 02:59:00] [INFO ] Transformed 32571 transitions.
[2021-05-09 02:59:00] [INFO ] Found NUPN structural information;
[2021-05-09 02:59:00] [INFO ] Parsed PT model containing 3971 places and 32571 transitions in 900 ms.
Ensure Unique test removed 3480 transitions
Reduce redundant transitions removed 3480 transitions.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 194 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 0 resets, run finished after 821 ms. (steps per millisecond=12 ) properties seen :[1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0]
FORMULA DLCflexbar-PT-8a-ReachabilityFireability-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-8a-ReachabilityFireability-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-8a-ReachabilityFireability-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-8a-ReachabilityFireability-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-8a-ReachabilityFireability-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-8a-ReachabilityFireability-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-8a-ReachabilityFireability-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-8a-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-8a-ReachabilityFireability-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-8a-ReachabilityFireability-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-8a-ReachabilityFireability-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-8a-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 457 ms. (steps per millisecond=21 ) properties seen :[0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 457 ms. (steps per millisecond=21 ) properties seen :[0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 464 ms. (steps per millisecond=21 ) properties seen :[0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 451 ms. (steps per millisecond=22 ) properties seen :[0, 0, 0, 1]
FORMULA DLCflexbar-PT-8a-ReachabilityFireability-15 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2021-05-09 02:59:03] [INFO ] Flow matrix only has 1562 transitions (discarded 27529 similar events)
// Phase 1: matrix 1562 rows 3971 cols
[2021-05-09 02:59:03] [INFO ] Computed 3040 place invariants in 36 ms
[2021-05-09 02:59:08] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-09 02:59:08] [INFO ] [Real]Absence check using 3040 positive place invariants in 4314 ms returned (error "Failed to check-sat")
[2021-05-09 02:59:08] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-09 02:59:08] [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
[2021-05-09 02:59:13] [INFO ] [Real]Absence check using 3040 positive place invariants in 4439 ms returned (error "Solver has unexpectedly terminated")
[2021-05-09 02:59:13] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-09 02:59:13] [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
[2021-05-09 02:59:18] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-09 02:59:18] [INFO ] [Real]Absence check using 3040 positive place invariants in 4476 ms returned (error "Failed to check-sat")
[2021-05-09 02:59:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-09 02:59:18] [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 2
Support contains 21 out of 3971 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 3971/3971 places, 29091/29091 transitions.
Graph (trivial) has 1383 edges and 3971 vertex of which 308 / 3971 are part of one of the 147 SCC in 18 ms
Free SCC test removed 161 places
Discarding 1957 places :
Also discarding 11803 output transitions
Drop transitions removed 11803 transitions
Graph (complete) has 14982 edges and 3810 vertex of which 1853 are kept as prefixes of interest. Removing 1957 places using SCC suffix rule.140 ms
Drop transitions removed 11771 transitions
Reduce isomorphic transitions removed 11771 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Iterating post reduction 0 with 11779 rules applied. Total rules applied 11781 place count 1853 transition count 5509
Reduce places removed 8 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 11790 place count 1845 transition count 5508
Symmetric choice reduction at 2 with 15 rule applications. Total rules 11805 place count 1845 transition count 5508
Deduced a syphon composed of 15 places in 2 ms
Reduce places removed 15 places and 15 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 11835 place count 1830 transition count 5493
Ensure Unique test removed 447 transitions
Reduce isomorphic transitions removed 447 transitions.
Iterating post reduction 2 with 447 rules applied. Total rules applied 12282 place count 1830 transition count 5046
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 2 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 3 with 24 rules applied. Total rules applied 12306 place count 1818 transition count 5034
Drop transitions removed 1977 transitions
Reduce isomorphic transitions removed 1977 transitions.
Discarding 432 places :
Also discarding 0 output transitions
Graph (complete) has 3969 edges and 1818 vertex of which 1386 are kept as prefixes of interest. Removing 432 places using SCC suffix rule.4 ms
Iterating post reduction 3 with 1978 rules applied. Total rules applied 14284 place count 1386 transition count 3057
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 2 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 4 with 6 rules applied. Total rules applied 14290 place count 1383 transition count 3054
Free-agglomeration rule applied 5 times.
Iterating global reduction 4 with 5 rules applied. Total rules applied 14295 place count 1383 transition count 3049
Reduce places removed 5 places and 0 transitions.
Drop transitions removed 298 transitions
Reduce isomorphic transitions removed 298 transitions.
Iterating post reduction 4 with 303 rules applied. Total rules applied 14598 place count 1378 transition count 2751
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 14599 place count 1378 transition count 2751
Drop transitions removed 1195 transitions
Redundant transition composition rules discarded 1195 transitions
Iterating global reduction 5 with 1195 rules applied. Total rules applied 15794 place count 1378 transition count 1556
Reduce places removed 432 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 5 with 433 rules applied. Total rules applied 16227 place count 946 transition count 1555
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 16228 place count 945 transition count 1555
Symmetric choice reduction at 7 with 1 rule applications. Total rules 16229 place count 945 transition count 1555
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 16231 place count 944 transition count 1554
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 7 with 1 rules applied. Total rules applied 16232 place count 944 transition count 1554
Drop transitions removed 298 transitions
Redundant transition composition rules discarded 298 transitions
Iterating global reduction 7 with 298 rules applied. Total rules applied 16530 place count 944 transition count 1256
Reduce places removed 144 places and 0 transitions.
Iterating post reduction 7 with 144 rules applied. Total rules applied 16674 place count 800 transition count 1256
Applied a total of 16674 rules in 1156 ms. Remains 800 /3971 variables (removed 3171) and now considering 1256/29091 (removed 27835) transitions.
Finished structural reductions, in 1 iterations. Remains : 800/3971 places, 1256/29091 transitions.
Finished random walk after 446 steps, including 0 resets, run visited all 3 properties in 8 ms. (steps per millisecond=55 )
FORMULA DLCflexbar-PT-8a-ReachabilityFireability-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-8a-ReachabilityFireability-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-8a-ReachabilityFireability-01 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="DLCflexbar-PT-8a"
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 DLCflexbar-PT-8a, 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 r075-tall-162039097200132"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCflexbar-PT-8a.tgz
mv DLCflexbar-PT-8a 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 ;