Execution Chart

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

Trace from the execution

Formatting '/data/fko/mcc2020-input.r228-oct2-159033547800551.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fko/mcc2020-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 itslola
Input is ViralEpidemic-PT-S04D1C1A06, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r228-oct2-159033547800551
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 36M
-rw-r--r-- 1 mcc users 4.3K May 14 05:20 CTLCardinality.txt
-rw-r--r-- 1 mcc users 20K May 14 05:20 CTLCardinality.xml
-rw-r--r-- 1 mcc users 3.2K May 13 23:20 CTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 13 23:20 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 14 10:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 14 10:07 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 14 10:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 15K May 14 10:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 12 20:42 NewModel
-rw-r--r-- 1 mcc users 3.9K May 13 16:24 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 16K May 13 16:24 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.1K May 13 12:09 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 15K May 13 12:09 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K May 13 16:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K May 13 16:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 12 20:42 equiv_col
-rw-r--r-- 1 mcc users 11 May 12 20:42 instance
-rw-r--r-- 1 mcc users 6 May 12 20:42 iscolored
-rw-r--r-- 1 mcc users 35M May 12 20:42 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 ViralEpidemic-PT-S04D1C1A06-ReachabilityFireability-00
FORMULA_NAME ViralEpidemic-PT-S04D1C1A06-ReachabilityFireability-01
FORMULA_NAME ViralEpidemic-PT-S04D1C1A06-ReachabilityFireability-02
FORMULA_NAME ViralEpidemic-PT-S04D1C1A06-ReachabilityFireability-03
FORMULA_NAME ViralEpidemic-PT-S04D1C1A06-ReachabilityFireability-04
FORMULA_NAME ViralEpidemic-PT-S04D1C1A06-ReachabilityFireability-05
FORMULA_NAME ViralEpidemic-PT-S04D1C1A06-ReachabilityFireability-06
FORMULA_NAME ViralEpidemic-PT-S04D1C1A06-ReachabilityFireability-07
FORMULA_NAME ViralEpidemic-PT-S04D1C1A06-ReachabilityFireability-08
FORMULA_NAME ViralEpidemic-PT-S04D1C1A06-ReachabilityFireability-09
FORMULA_NAME ViralEpidemic-PT-S04D1C1A06-ReachabilityFireability-10
FORMULA_NAME ViralEpidemic-PT-S04D1C1A06-ReachabilityFireability-11
FORMULA_NAME ViralEpidemic-PT-S04D1C1A06-ReachabilityFireability-12
FORMULA_NAME ViralEpidemic-PT-S04D1C1A06-ReachabilityFireability-13
FORMULA_NAME ViralEpidemic-PT-S04D1C1A06-ReachabilityFireability-14
FORMULA_NAME ViralEpidemic-PT-S04D1C1A06-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1591310618542

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-04 22:43:39] [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]
[2020-06-04 22:43:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-04 22:43:40] [INFO ] Load time of PNML (sax parser for PT used): 934 ms
[2020-06-04 22:43:40] [INFO ] Transformed 32767 places.
[2020-06-04 22:43:41] [INFO ] Transformed 49149 transitions.
[2020-06-04 22:43:41] [INFO ] Parsed PT model containing 32767 places and 49149 transitions in 1166 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 203 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 15 resets, run finished after 1843 ms. (steps per millisecond=5 ) properties seen :[0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 1, 1, 0]
FORMULA ViralEpidemic-PT-S04D1C1A06-ReachabilityFireability-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S04D1C1A06-ReachabilityFireability-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S04D1C1A06-ReachabilityFireability-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S04D1C1A06-ReachabilityFireability-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S04D1C1A06-ReachabilityFireability-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S04D1C1A06-ReachabilityFireability-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 1246 ms. (steps per millisecond=8 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 1324 ms. (steps per millisecond=7 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 1204 ms. (steps per millisecond=8 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 1244 ms. (steps per millisecond=8 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 1213 ms. (steps per millisecond=8 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 1331 ms. (steps per millisecond=7 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 1264 ms. (steps per millisecond=7 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 1227 ms. (steps per millisecond=8 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 1339 ms. (steps per millisecond=7 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 1209 ms. (steps per millisecond=8 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
// Phase 1: matrix 49149 rows 32767 cols
[2020-06-04 22:44:21] [INFO ] Invariants computation overflowed in 25872 ms
[2020-06-04 22:44:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 22:44:26] [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 0
[2020-06-04 22:44:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 22:44:31] [INFO ] [Real]Absence check using state equation in 3397 ms returned (error "Solver has unexpectedly terminated")
[2020-06-04 22:44:33] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 22:44:36] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 22:44:36] [INFO ] [Real]Absence check using state equation in 3439 ms returned (error "Failed to check-sat")
[2020-06-04 22:44:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 22:44:41] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 22:44:41] [INFO ] [Real]Absence check using state equation in 3290 ms returned (error "Failed to check-sat")
[2020-06-04 22:44:43] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 22:44:46] [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 (>= t49019 0)") while checking expression at index 4
[2020-06-04 22:44:48] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 22:44:51] [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 (>= t46464 0)") while checking expression at index 5
[2020-06-04 22:44:53] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 22:44:56] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 22:44:56] [INFO ] [Real]Absence check using state equation in 3007 ms returned (error "Failed to check-sat")
[2020-06-04 22:44:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 22:45:01] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 22:45:01] [INFO ] [Real]Absence check using state equation in 3059 ms returned (error "Failed to check-sat")
[2020-06-04 22:45:03] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 22:45:06] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 22:45:06] [INFO ] [Real]Absence check using state equation in 3108 ms returned (error "Failed to check-sat")
[2020-06-04 22:45:09] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 22:45:11] [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 (>= t42817 0)") while checking expression at index 9
Support contains 61 out of 32767 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 32767/32767 places, 49149/49149 transitions.
Discarding 32462 places :
Also discarding 48508 output transitions
Drop transitions removed 48508 transitions
Graph (complete) has 21844 edges and 32767 vertex of which 305 are kept as prefixes of interest. Removing 32462 places using SCC suffix rule.125 ms
Drop transitions removed 359 transitions
Reduce isomorphic transitions removed 359 transitions.
Performed 44 Post agglomeration using F-continuation condition.Transition count delta: 44
Iterating post reduction 0 with 403 rules applied. Total rules applied 404 place count 305 transition count 238
Reduce places removed 44 places and 0 transitions.
Iterating post reduction 1 with 44 rules applied. Total rules applied 448 place count 261 transition count 238
Performed 29 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 29 Pre rules applied. Total rules applied 448 place count 261 transition count 209
Deduced a syphon composed of 29 places in 0 ms
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 2 with 58 rules applied. Total rules applied 506 place count 232 transition count 209
Symmetric choice reduction at 2 with 61 rule applications. Total rules 567 place count 232 transition count 209
Deduced a syphon composed of 61 places in 1 ms
Reduce places removed 61 places and 61 transitions.
Iterating global reduction 2 with 122 rules applied. Total rules applied 689 place count 171 transition count 148
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 721 place count 155 transition count 132
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 722 place count 154 transition count 131
Applied a total of 722 rules in 217 ms. Remains 154 /32767 variables (removed 32613) and now considering 131/49149 (removed 49018) transitions.
Finished structural reductions, in 1 iterations. Remains : 154/32767 places, 131/49149 transitions.
Finished random walk after 821 steps, including 10 resets, run visited all 10 properties in 12 ms. (steps per millisecond=68 )
FORMULA ViralEpidemic-PT-S04D1C1A06-ReachabilityFireability-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S04D1C1A06-ReachabilityFireability-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S04D1C1A06-ReachabilityFireability-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S04D1C1A06-ReachabilityFireability-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S04D1C1A06-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S04D1C1A06-ReachabilityFireability-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S04D1C1A06-ReachabilityFireability-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S04D1C1A06-ReachabilityFireability-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S04D1C1A06-ReachabilityFireability-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S04D1C1A06-ReachabilityFireability-00 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="ViralEpidemic-PT-S04D1C1A06"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itslola"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"

# 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 itslola"
echo " Input is ViralEpidemic-PT-S04D1C1A06, 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 r228-oct2-159033547800551"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ViralEpidemic-PT-S04D1C1A06.tgz
mv ViralEpidemic-PT-S04D1C1A06 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 ;