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-oct2-159033547700511.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-S03D1C1A06, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r228-oct2-159033547700511
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 5.8M
-rw-r--r-- 1 mcc users 4.3K May 14 04:38 CTLCardinality.txt
-rw-r--r-- 1 mcc users 20K May 14 04:38 CTLCardinality.xml
-rw-r--r-- 1 mcc users 3.4K May 13 22:37 CTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 13 22:37 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.3K May 14 10:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 14 10:07 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 14 10:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 14 10:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 12 20:42 NewModel
-rw-r--r-- 1 mcc users 4.5K May 13 15:42 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 20K May 13 15:42 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.0K May 13 11:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 14K May 13 11:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K May 13 16:53 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K May 13 16:53 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 5.6M 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-S03D1C1A06-ReachabilityFireability-00
FORMULA_NAME ViralEpidemic-PT-S03D1C1A06-ReachabilityFireability-01
FORMULA_NAME ViralEpidemic-PT-S03D1C1A06-ReachabilityFireability-02
FORMULA_NAME ViralEpidemic-PT-S03D1C1A06-ReachabilityFireability-03
FORMULA_NAME ViralEpidemic-PT-S03D1C1A06-ReachabilityFireability-04
FORMULA_NAME ViralEpidemic-PT-S03D1C1A06-ReachabilityFireability-05
FORMULA_NAME ViralEpidemic-PT-S03D1C1A06-ReachabilityFireability-06
FORMULA_NAME ViralEpidemic-PT-S03D1C1A06-ReachabilityFireability-07
FORMULA_NAME ViralEpidemic-PT-S03D1C1A06-ReachabilityFireability-08
FORMULA_NAME ViralEpidemic-PT-S03D1C1A06-ReachabilityFireability-09
FORMULA_NAME ViralEpidemic-PT-S03D1C1A06-ReachabilityFireability-10
FORMULA_NAME ViralEpidemic-PT-S03D1C1A06-ReachabilityFireability-11
FORMULA_NAME ViralEpidemic-PT-S03D1C1A06-ReachabilityFireability-12
FORMULA_NAME ViralEpidemic-PT-S03D1C1A06-ReachabilityFireability-13
FORMULA_NAME ViralEpidemic-PT-S03D1C1A06-ReachabilityFireability-14
FORMULA_NAME ViralEpidemic-PT-S03D1C1A06-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1591306893408

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-04 21:41:36] [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 21:41:36] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-04 21:41:36] [INFO ] Load time of PNML (sax parser for PT used): 271 ms
[2020-06-04 21:41:36] [INFO ] Transformed 5466 places.
[2020-06-04 21:41:36] [INFO ] Transformed 7651 transitions.
[2020-06-04 21:41:36] [INFO ] Parsed PT model containing 5466 places and 7651 transitions in 339 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 48 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 144 resets, run finished after 497 ms. (steps per millisecond=20 ) properties seen :[1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 0]
FORMULA ViralEpidemic-PT-S03D1C1A06-ReachabilityFireability-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S03D1C1A06-ReachabilityFireability-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S03D1C1A06-ReachabilityFireability-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S03D1C1A06-ReachabilityFireability-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S03D1C1A06-ReachabilityFireability-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S03D1C1A06-ReachabilityFireability-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S03D1C1A06-ReachabilityFireability-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S03D1C1A06-ReachabilityFireability-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S03D1C1A06-ReachabilityFireability-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S03D1C1A06-ReachabilityFireability-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S03D1C1A06-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 9 resets, run finished after 251 ms. (steps per millisecond=39 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 8 resets, run finished after 245 ms. (steps per millisecond=40 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 8 resets, run finished after 263 ms. (steps per millisecond=38 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 251 ms. (steps per millisecond=39 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 262 ms. (steps per millisecond=38 ) properties seen :[0, 0, 0, 0, 0]
// Phase 1: matrix 7651 rows 5466 cols
[2020-06-04 21:41:39] [INFO ] Invariants computation overflowed in 874 ms
[2020-06-04 21:41:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 21:41:44] [INFO ] [Real]Absence check using state equation in 4534 ms returned (error "Solver has unexpectedly terminated")
[2020-06-04 21:41:44] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 21:41:49] [INFO ] [Real]Absence check using state equation in 4676 ms returned (error "Solver has unexpectedly terminated")
[2020-06-04 21:41:50] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 21:41:54] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 21:41:54] [INFO ] [Real]Absence check using state equation in 4232 ms returned (error "Failed to check-sat")
[2020-06-04 21:41:54] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 21:41:59] [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 (= s503 (- t697 (+ t702 t703)))") while checking expression at index 3
[2020-06-04 21:41:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 21:42:04] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 21:42:04] [INFO ] [Real]Absence check using state equation in 4691 ms returned (error "Failed to check-sat")
Support contains 44 out of 5466 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 5466/5466 places, 7651/7651 transitions.
Discarding 5275 places :
Also discarding 7250 output transitions
Drop transitions removed 7250 transitions
Graph (complete) has 3279 edges and 5466 vertex of which 191 are kept as prefixes of interest. Removing 5275 places using SCC suffix rule.37 ms
Drop transitions removed 223 transitions
Reduce isomorphic transitions removed 223 transitions.
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: 17
Iterating post reduction 0 with 240 rules applied. Total rules applied 241 place count 191 transition count 161
Reduce places removed 17 places and 0 transitions.
Iterating post reduction 1 with 17 rules applied. Total rules applied 258 place count 174 transition count 161
Performed 19 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 19 Pre rules applied. Total rules applied 258 place count 174 transition count 142
Deduced a syphon composed of 19 places in 0 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 2 with 38 rules applied. Total rules applied 296 place count 155 transition count 142
Symmetric choice reduction at 2 with 25 rule applications. Total rules 321 place count 155 transition count 142
Deduced a syphon composed of 25 places in 0 ms
Reduce places removed 25 places and 25 transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 371 place count 130 transition count 117
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 401 place count 115 transition count 102
Free-agglomeration rule applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 402 place count 115 transition count 101
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 403 place count 114 transition count 101
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 404 place count 113 transition count 100
Applied a total of 404 rules in 150 ms. Remains 113 /5466 variables (removed 5353) and now considering 100/7651 (removed 7551) transitions.
Finished structural reductions, in 1 iterations. Remains : 113/5466 places, 100/7651 transitions.
Incomplete random walk after 1000000 steps, including 16273 resets, run finished after 2062 ms. (steps per millisecond=484 ) properties seen :[1, 1, 1, 0, 1]
FORMULA ViralEpidemic-PT-S03D1C1A06-ReachabilityFireability-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S03D1C1A06-ReachabilityFireability-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S03D1C1A06-ReachabilityFireability-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S03D1C1A06-ReachabilityFireability-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 1000001 steps, including 666 resets, run finished after 1203 ms. (steps per millisecond=831 ) properties seen :[0]
// Phase 1: matrix 100 rows 113 cols
[2020-06-04 21:42:07] [INFO ] Computed 14 place invariants in 10 ms
[2020-06-04 21:42:07] [INFO ] [Real]Absence check using 0 positive and 14 generalized place invariants in 31 ms returned sat
[2020-06-04 21:42:07] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 21:42:08] [INFO ] [Real]Absence check using state equation in 38 ms returned unsat
FORMULA ViralEpidemic-PT-S03D1C1A06-ReachabilityFireability-13 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
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-S03D1C1A06"
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-S03D1C1A06, 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-oct2-159033547700511"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ViralEpidemic-PT-S03D1C1A06.tgz
mv ViralEpidemic-PT-S03D1C1A06 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 ;