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-oct2-159033547800583.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-S16D2C4A02, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r228-oct2-159033547800583
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 6.3M
-rw-r--r-- 1 mcc users 4.6K May 14 05:33 CTLCardinality.txt
-rw-r--r-- 1 mcc users 22K May 14 05:33 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K May 13 23:32 CTLFireability.txt
-rw-r--r-- 1 mcc users 14K May 13 23:32 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K May 14 10:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K 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 16K May 14 10:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 12 20:42 NewModel
-rw-r--r-- 1 mcc users 4.4K May 13 16:37 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 20K May 13 16:37 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.9K May 13 12:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 20K May 13 12:22 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 6.1M 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-S16D2C4A02-ReachabilityFireability-00
FORMULA_NAME ViralEpidemic-PT-S16D2C4A02-ReachabilityFireability-01
FORMULA_NAME ViralEpidemic-PT-S16D2C4A02-ReachabilityFireability-02
FORMULA_NAME ViralEpidemic-PT-S16D2C4A02-ReachabilityFireability-03
FORMULA_NAME ViralEpidemic-PT-S16D2C4A02-ReachabilityFireability-04
FORMULA_NAME ViralEpidemic-PT-S16D2C4A02-ReachabilityFireability-05
FORMULA_NAME ViralEpidemic-PT-S16D2C4A02-ReachabilityFireability-06
FORMULA_NAME ViralEpidemic-PT-S16D2C4A02-ReachabilityFireability-07
FORMULA_NAME ViralEpidemic-PT-S16D2C4A02-ReachabilityFireability-08
FORMULA_NAME ViralEpidemic-PT-S16D2C4A02-ReachabilityFireability-09
FORMULA_NAME ViralEpidemic-PT-S16D2C4A02-ReachabilityFireability-10
FORMULA_NAME ViralEpidemic-PT-S16D2C4A02-ReachabilityFireability-11
FORMULA_NAME ViralEpidemic-PT-S16D2C4A02-ReachabilityFireability-12
FORMULA_NAME ViralEpidemic-PT-S16D2C4A02-ReachabilityFireability-13
FORMULA_NAME ViralEpidemic-PT-S16D2C4A02-ReachabilityFireability-14
FORMULA_NAME ViralEpidemic-PT-S16D2C4A02-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1591314198276

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-04 23:43:19] [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 23:43:19] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-04 23:43:19] [INFO ] Load time of PNML (sax parser for PT used): 250 ms
[2020-06-04 23:43:19] [INFO ] Transformed 4915 places.
[2020-06-04 23:43:19] [INFO ] Transformed 9009 transitions.
[2020-06-04 23:43:19] [INFO ] Parsed PT model containing 4915 places and 9009 transitions in 317 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 56 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 12 resets, run finished after 474 ms. (steps per millisecond=21 ) properties seen :[0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0]
FORMULA ViralEpidemic-PT-S16D2C4A02-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S16D2C4A02-ReachabilityFireability-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 105 ms. (steps per millisecond=95 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 98 ms. (steps per millisecond=102 ) properties seen :[0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
FORMULA ViralEpidemic-PT-S16D2C4A02-ReachabilityFireability-01 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 103 ms. (steps per millisecond=97 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 105 ms. (steps per millisecond=95 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 98 ms. (steps per millisecond=102 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 98 ms. (steps per millisecond=102 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 101 ms. (steps per millisecond=99 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 111 ms. (steps per millisecond=90 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 105 ms. (steps per millisecond=95 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 94 ms. (steps per millisecond=106 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 96 ms. (steps per millisecond=104 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 112 ms. (steps per millisecond=89 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 118 ms. (steps per millisecond=84 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 95 ms. (steps per millisecond=105 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
// Phase 1: matrix 9009 rows 4915 cols
[2020-06-04 23:43:22] [INFO ] Computed 1 place invariants in 428 ms
[2020-06-04 23:43:22] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 83 ms returned sat
[2020-06-04 23:43:22] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 23:43:27] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 23:43:27] [INFO ] [Real]Absence check using state equation in 4498 ms returned (error "Failed to check-sat")
[2020-06-04 23:43:27] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 72 ms returned sat
[2020-06-04 23:43:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 23:43:32] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 23:43:32] [INFO ] [Real]Absence check using state equation in 4670 ms returned (error "Failed to check-sat")
[2020-06-04 23:43:32] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 71 ms returned sat
[2020-06-04 23:43:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 23:43:37] [INFO ] [Real]Absence check using state equation in 4636 ms returned (error "Failed to check-sat")
[2020-06-04 23:43:37] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 71 ms returned sat
[2020-06-04 23:43:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 23:43:42] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 23:43:42] [INFO ] [Real]Absence check using state equation in 4637 ms returned (error "Failed to check-sat")
[2020-06-04 23:43:42] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 66 ms returned sat
[2020-06-04 23:43:42] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 23:43:47] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 23:43:47] [INFO ] [Real]Absence check using state equation in 4638 ms returned (error "Failed to check-sat")
[2020-06-04 23:43:47] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 72 ms returned sat
[2020-06-04 23:43:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 23:43:52] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 23:43:52] [INFO ] [Real]Absence check using state equation in 4710 ms returned (error "Failed to check-sat")
[2020-06-04 23:43:52] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 81 ms returned sat
[2020-06-04 23:43:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 23:43:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 23:43:57] [INFO ] [Real]Absence check using state equation in 4677 ms returned (error "Failed to check-sat")
[2020-06-04 23:43:57] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 107 ms returned sat
[2020-06-04 23:43:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 23:44:02] [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 (= s496 (- t852 (+ t902 t904)))") while checking expression at index 7
[2020-06-04 23:44:02] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 69 ms returned sat
[2020-06-04 23:44:02] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 23:44:07] [INFO ] [Real]Absence check using state equation in 4673 ms returned (error "Failed to check-sat")
[2020-06-04 23:44:07] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 68 ms returned sat
[2020-06-04 23:44:07] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 23:44:12] [INFO ] [Real]Absence check using state equation in 4706 ms returned (error "Failed to check-sat")
[2020-06-04 23:44:12] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 68 ms returned sat
[2020-06-04 23:44:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 23:44:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 23:44:17] [INFO ] [Real]Absence check using state equation in 4655 ms returned (error "Failed to check-sat")
[2020-06-04 23:44:17] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 71 ms returned sat
[2020-06-04 23:44:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 23:44:22] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 23:44:22] [INFO ] [Real]Absence check using state equation in 4676 ms returned (error "Failed to check-sat")
[2020-06-04 23:44:22] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 74 ms returned sat
[2020-06-04 23:44:22] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 23:44:27] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 23:44:27] [INFO ] [Real]Absence check using state equation in 4710 ms returned (error "Failed to check-sat")
Support contains 141 out of 4915 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 4915/4915 places, 9009/9009 transitions.
Discarding 3771 places :
Also discarding 6835 output transitions
Drop transitions removed 6835 transitions
Graph (complete) has 4368 edges and 4915 vertex of which 1144 are kept as prefixes of interest. Removing 3771 places using SCC suffix rule.51 ms
Drop transitions removed 966 transitions
Reduce isomorphic transitions removed 966 transitions.
Iterating post reduction 0 with 966 rules applied. Total rules applied 967 place count 1144 transition count 1208
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 967 place count 1144 transition count 1207
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 969 place count 1143 transition count 1207
Symmetric choice reduction at 1 with 819 rule applications. Total rules 1788 place count 1143 transition count 1207
Deduced a syphon composed of 819 places in 0 ms
Reduce places removed 819 places and 906 transitions.
Iterating global reduction 1 with 1638 rules applied. Total rules applied 3426 place count 324 transition count 301
Performed 11 Post agglomeration using F-continuation condition.Transition count delta: 11
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 1 with 22 rules applied. Total rules applied 3448 place count 313 transition count 290
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 3449 place count 312 transition count 289
Applied a total of 3449 rules in 164 ms. Remains 312 /4915 variables (removed 4603) and now considering 289/9009 (removed 8720) transitions.
Finished structural reductions, in 1 iterations. Remains : 312/4915 places, 289/9009 transitions.
Incomplete random walk after 1000000 steps, including 3050 resets, run finished after 4056 ms. (steps per millisecond=246 ) properties seen :[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0]
FORMULA ViralEpidemic-PT-S16D2C4A02-ReachabilityFireability-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S16D2C4A02-ReachabilityFireability-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S16D2C4A02-ReachabilityFireability-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S16D2C4A02-ReachabilityFireability-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S16D2C4A02-ReachabilityFireability-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S16D2C4A02-ReachabilityFireability-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S16D2C4A02-ReachabilityFireability-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S16D2C4A02-ReachabilityFireability-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S16D2C4A02-ReachabilityFireability-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S16D2C4A02-ReachabilityFireability-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S16D2C4A02-ReachabilityFireability-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S16D2C4A02-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 1000001 steps, including 63 resets, run finished after 2165 ms. (steps per millisecond=461 ) properties seen :[0]
// Phase 1: matrix 289 rows 312 cols
[2020-06-04 23:44:33] [INFO ] Computed 45 place invariants in 4 ms
[2020-06-04 23:44:34] [INFO ] [Real]Absence check using 0 positive and 45 generalized place invariants in 75 ms returned sat
[2020-06-04 23:44:34] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 23:44:34] [INFO ] [Real]Absence check using state equation in 122 ms returned unsat
FORMULA ViralEpidemic-PT-S16D2C4A02-ReachabilityFireability-15 FALSE 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-S16D2C4A02"
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-S16D2C4A02, 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-oct2-159033547800583"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ViralEpidemic-PT-S16D2C4A02.tgz
mv ViralEpidemic-PT-S16D2C4A02 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 ;