Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2020-input.r170-smll-158987815600286.qcow2', fmt=qcow2 size=4294967296 backing_file='/data/fkordon/mcc2020-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 itslola
Input is FlexibleBarrier-PT-06b, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r170-smll-158987815600286
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 328K
-rw-r--r-- 1 mcc users 3.7K Apr 4 18:11 CTLCardinality.txt
-rw-r--r-- 1 mcc users 21K Apr 4 18:11 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Apr 4 06:23 CTLFireability.txt
-rw-r--r-- 1 mcc users 15K Apr 4 06:23 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:37 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K Mar 24 05:37 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.5K Apr 8 14:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 28 14:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K Apr 8 14:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 28 14:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Apr 3 20:59 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 21K Apr 3 20:59 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Apr 3 13:16 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 3 13:16 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 4 01:37 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 4 01:37 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 24 05:37 instance
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 iscolored
-rw-r--r-- 1 mcc users 141K Mar 24 05:37 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 FlexibleBarrier-PT-06b-ReachabilityCardinality-00
FORMULA_NAME FlexibleBarrier-PT-06b-ReachabilityCardinality-01
FORMULA_NAME FlexibleBarrier-PT-06b-ReachabilityCardinality-02
FORMULA_NAME FlexibleBarrier-PT-06b-ReachabilityCardinality-03
FORMULA_NAME FlexibleBarrier-PT-06b-ReachabilityCardinality-04
FORMULA_NAME FlexibleBarrier-PT-06b-ReachabilityCardinality-05
FORMULA_NAME FlexibleBarrier-PT-06b-ReachabilityCardinality-06
FORMULA_NAME FlexibleBarrier-PT-06b-ReachabilityCardinality-07
FORMULA_NAME FlexibleBarrier-PT-06b-ReachabilityCardinality-08
FORMULA_NAME FlexibleBarrier-PT-06b-ReachabilityCardinality-09
FORMULA_NAME FlexibleBarrier-PT-06b-ReachabilityCardinality-10
FORMULA_NAME FlexibleBarrier-PT-06b-ReachabilityCardinality-11
FORMULA_NAME FlexibleBarrier-PT-06b-ReachabilityCardinality-12
FORMULA_NAME FlexibleBarrier-PT-06b-ReachabilityCardinality-13
FORMULA_NAME FlexibleBarrier-PT-06b-ReachabilityCardinality-14
FORMULA_NAME FlexibleBarrier-PT-06b-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1591337713952

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-05 06:15:16] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -timeout, 3600, -rebuildPNML]
[2020-06-05 06:15:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-05 06:15:16] [INFO ] Load time of PNML (sax parser for PT used): 123 ms
[2020-06-05 06:15:16] [INFO ] Transformed 542 places.
[2020-06-05 06:15:16] [INFO ] Transformed 621 transitions.
[2020-06-05 06:15:16] [INFO ] Found NUPN structural information;
[2020-06-05 06:15:16] [INFO ] Parsed PT model containing 542 places and 621 transitions in 190 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 40 ms.
Working with output stream class java.io.PrintStream
FORMULA FlexibleBarrier-PT-06b-ReachabilityCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-06b-ReachabilityCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-06b-ReachabilityCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-06b-ReachabilityCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-06b-ReachabilityCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-06b-ReachabilityCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 189 resets, run finished after 94 ms. (steps per millisecond=106 ) properties seen :[0, 1, 1, 1, 0, 1, 1, 1, 0, 0]
FORMULA FlexibleBarrier-PT-06b-ReachabilityCardinality-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-06b-ReachabilityCardinality-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-06b-ReachabilityCardinality-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-06b-ReachabilityCardinality-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-06b-ReachabilityCardinality-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-06b-ReachabilityCardinality-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 29 resets, run finished after 26 ms. (steps per millisecond=384 ) properties seen :[0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 27 resets, run finished after 29 ms. (steps per millisecond=344 ) properties seen :[0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 29 resets, run finished after 23 ms. (steps per millisecond=434 ) properties seen :[0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 30 resets, run finished after 21 ms. (steps per millisecond=476 ) properties seen :[0, 0, 0, 0]
// Phase 1: matrix 621 rows 542 cols
[2020-06-05 06:15:16] [INFO ] Computed 8 place invariants in 23 ms
[2020-06-05 06:15:16] [INFO ] [Real]Absence check using 8 positive place invariants in 36 ms returned sat
[2020-06-05 06:15:16] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-05 06:15:17] [INFO ] [Real]Absence check using state equation in 835 ms returned sat
[2020-06-05 06:15:17] [INFO ] Solution in real domain found non-integer solution.
[2020-06-05 06:15:22] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-05 06:15:22] [INFO ] [Nat]Absence check using 8 positive place invariants in 4835 ms returned unknown
[2020-06-05 06:15:23] [INFO ] [Real]Absence check using 8 positive place invariants in 43 ms returned sat
[2020-06-05 06:15:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-05 06:15:24] [INFO ] [Real]Absence check using state equation in 1227 ms returned sat
[2020-06-05 06:15:24] [INFO ] Solution in real domain found non-integer solution.
[2020-06-05 06:15:29] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-05 06:15:29] [INFO ] [Nat]Absence check using 8 positive place invariants in 4888 ms returned unknown
[2020-06-05 06:15:29] [INFO ] [Real]Absence check using 8 positive place invariants in 42 ms returned sat
[2020-06-05 06:15:29] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-05 06:15:30] [INFO ] [Real]Absence check using state equation in 1237 ms returned sat
[2020-06-05 06:15:30] [INFO ] Solution in real domain found non-integer solution.
[2020-06-05 06:15:35] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-05 06:15:35] [INFO ] [Nat]Absence check using 8 positive place invariants in 4848 ms returned unknown
[2020-06-05 06:15:36] [INFO ] [Real]Absence check using 8 positive place invariants in 25 ms returned sat
[2020-06-05 06:15:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-05 06:15:37] [INFO ] [Real]Absence check using state equation in 1094 ms returned sat
[2020-06-05 06:15:37] [INFO ] Solution in real domain found non-integer solution.
[2020-06-05 06:15:42] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-05 06:15:42] [INFO ] [Nat]Absence check using 8 positive place invariants in 4945 ms returned unknown
Support contains 17 out of 542 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 542/542 places, 621/621 transitions.
Graph (trivial) has 480 edges and 542 vertex of which 24 / 542 are part of one of the 4 SCC in 12 ms
Free SCC test removed 20 places
Drop transitions removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Performed 143 Post agglomeration using F-continuation condition.Transition count delta: 143
Iterating post reduction 0 with 167 rules applied. Total rules applied 168 place count 522 transition count 454
Reduce places removed 143 places and 0 transitions.
Iterating post reduction 1 with 143 rules applied. Total rules applied 311 place count 379 transition count 454
Performed 26 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 26 Pre rules applied. Total rules applied 311 place count 379 transition count 428
Deduced a syphon composed of 26 places in 2 ms
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 363 place count 353 transition count 428
Symmetric choice reduction at 2 with 156 rule applications. Total rules 519 place count 353 transition count 428
Deduced a syphon composed of 156 places in 1 ms
Reduce places removed 156 places and 156 transitions.
Iterating global reduction 2 with 312 rules applied. Total rules applied 831 place count 197 transition count 272
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 832 place count 197 transition count 271
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 3 Pre rules applied. Total rules applied 832 place count 197 transition count 268
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 838 place count 194 transition count 268
Symmetric choice reduction at 3 with 19 rule applications. Total rules 857 place count 194 transition count 268
Deduced a syphon composed of 19 places in 2 ms
Reduce places removed 19 places and 19 transitions.
Iterating global reduction 3 with 38 rules applied. Total rules applied 895 place count 175 transition count 249
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 3 with 17 rules applied. Total rules applied 912 place count 175 transition count 232
Performed 40 Post agglomeration using F-continuation condition.Transition count delta: 40
Deduced a syphon composed of 40 places in 1 ms
Reduce places removed 40 places and 0 transitions.
Iterating global reduction 4 with 80 rules applied. Total rules applied 992 place count 135 transition count 192
Drop transitions removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 4 with 10 rules applied. Total rules applied 1002 place count 135 transition count 182
Symmetric choice reduction at 5 with 6 rule applications. Total rules 1008 place count 135 transition count 182
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 6 transitions.
Iterating global reduction 5 with 12 rules applied. Total rules applied 1020 place count 129 transition count 176
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 5 with 4 rules applied. Total rules applied 1024 place count 127 transition count 182
Free-agglomeration rule applied 61 times.
Iterating global reduction 5 with 61 rules applied. Total rules applied 1085 place count 127 transition count 121
Reduce places removed 61 places and 0 transitions.
Drop transitions removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 5 with 76 rules applied. Total rules applied 1161 place count 66 transition count 106
Drop transitions removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 6 with 5 rules applied. Total rules applied 1166 place count 66 transition count 101
Free-agglomeration rule applied 1 times.
Iterating global reduction 6 with 1 rules applied. Total rules applied 1167 place count 66 transition count 100
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 1168 place count 65 transition count 100
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 7 with 2 rules applied. Total rules applied 1170 place count 65 transition count 98
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 7 with 1 rules applied. Total rules applied 1171 place count 64 transition count 97
Applied a total of 1171 rules in 209 ms. Remains 64 /542 variables (removed 478) and now considering 97/621 (removed 524) transitions.
Finished structural reductions, in 1 iterations. Remains : 64/542 places, 97/621 transitions.
Incomplete random walk after 1000000 steps, including 0 resets, run finished after 1806 ms. (steps per millisecond=553 ) properties seen :[1, 1, 0, 1]
FORMULA FlexibleBarrier-PT-06b-ReachabilityCardinality-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-06b-ReachabilityCardinality-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-06b-ReachabilityCardinality-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 1000001 steps, including 0 resets, run finished after 880 ms. (steps per millisecond=1136 ) properties seen :[0]
[2020-06-05 06:15:45] [INFO ] Flow matrix only has 94 transitions (discarded 3 similar events)
// Phase 1: matrix 94 rows 64 cols
[2020-06-05 06:15:45] [INFO ] Computed 8 place invariants in 1 ms
[2020-06-05 06:15:45] [INFO ] [Real]Absence check using 8 positive place invariants in 6 ms returned sat
[2020-06-05 06:15:45] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-05 06:15:45] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2020-06-05 06:15:45] [INFO ] Solution in real domain found non-integer solution.
[2020-06-05 06:15:45] [INFO ] [Nat]Absence check using 8 positive place invariants in 14 ms returned sat
[2020-06-05 06:15:45] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-05 06:15:45] [INFO ] [Nat]Absence check using state equation in 59 ms returned sat
[2020-06-05 06:15:45] [INFO ] State equation strengthened by 31 read => feed constraints.
[2020-06-05 06:15:45] [INFO ] [Nat]Added 31 Read/Feed constraints in 4 ms returned sat
[2020-06-05 06:15:45] [INFO ] Computed and/alt/rep : 86/149/86 causal constraints in 49 ms.
[2020-06-05 06:15:45] [INFO ] Added : 27 causal constraints over 6 iterations in 157 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 7 ms.
Finished Parikh walk after 54 steps, including 2 resets, run visited all 1 properties in 1 ms. (steps per millisecond=54 )
FORMULA FlexibleBarrier-PT-06b-ReachabilityCardinality-14 FALSE TECHNIQUES TOPOLOGICAL PARIKH_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="FlexibleBarrier-PT-06b"
export BK_EXAMINATION="ReachabilityCardinality"
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 FlexibleBarrier-PT-06b, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r170-smll-158987815600286"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-06b.tgz
mv FlexibleBarrier-PT-06b execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;