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-158987815700319.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)
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=====================================================================
Generated by BenchKit 2-4028
Executing tool itslola
Input is FlexibleBarrier-PT-10b, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r170-smll-158987815700319
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 552K
-rw-r--r-- 1 mcc users 3.5K Apr 4 18:31 CTLCardinality.txt
-rw-r--r-- 1 mcc users 20K Apr 4 18:31 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Apr 4 06:59 CTLFireability.txt
-rw-r--r-- 1 mcc users 15K Apr 4 06:59 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 3.4K 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 2.1K Apr 8 14:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 28 14:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Apr 3 21:05 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 21K Apr 3 21:05 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Apr 3 13:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 15K Apr 3 13:22 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 374K 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-10b-ReachabilityFireability-00
FORMULA_NAME FlexibleBarrier-PT-10b-ReachabilityFireability-01
FORMULA_NAME FlexibleBarrier-PT-10b-ReachabilityFireability-02
FORMULA_NAME FlexibleBarrier-PT-10b-ReachabilityFireability-03
FORMULA_NAME FlexibleBarrier-PT-10b-ReachabilityFireability-04
FORMULA_NAME FlexibleBarrier-PT-10b-ReachabilityFireability-05
FORMULA_NAME FlexibleBarrier-PT-10b-ReachabilityFireability-06
FORMULA_NAME FlexibleBarrier-PT-10b-ReachabilityFireability-07
FORMULA_NAME FlexibleBarrier-PT-10b-ReachabilityFireability-08
FORMULA_NAME FlexibleBarrier-PT-10b-ReachabilityFireability-09
FORMULA_NAME FlexibleBarrier-PT-10b-ReachabilityFireability-10
FORMULA_NAME FlexibleBarrier-PT-10b-ReachabilityFireability-11
FORMULA_NAME FlexibleBarrier-PT-10b-ReachabilityFireability-12
FORMULA_NAME FlexibleBarrier-PT-10b-ReachabilityFireability-13
FORMULA_NAME FlexibleBarrier-PT-10b-ReachabilityFireability-14
FORMULA_NAME FlexibleBarrier-PT-10b-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1591359350911

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-05 12:15:53] [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]
[2020-06-05 12:15:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-05 12:15:53] [INFO ] Load time of PNML (sax parser for PT used): 256 ms
[2020-06-05 12:15:53] [INFO ] Transformed 1402 places.
[2020-06-05 12:15:53] [INFO ] Transformed 1613 transitions.
[2020-06-05 12:15:53] [INFO ] Found NUPN structural information;
[2020-06-05 12:15:53] [INFO ] Parsed PT model containing 1402 places and 1613 transitions in 335 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 63 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 133 resets, run finished after 150 ms. (steps per millisecond=66 ) properties seen :[0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1]
FORMULA FlexibleBarrier-PT-10b-ReachabilityFireability-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-10b-ReachabilityFireability-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-10b-ReachabilityFireability-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-10b-ReachabilityFireability-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 24 ms. (steps per millisecond=416 ) properties seen :[1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
FORMULA FlexibleBarrier-PT-10b-ReachabilityFireability-00 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 30 ms. (steps per millisecond=333 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 19 ms. (steps per millisecond=526 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 18 ms. (steps per millisecond=555 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 9 resets, run finished after 26 ms. (steps per millisecond=384 ) properties seen :[0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0]
FORMULA FlexibleBarrier-PT-10b-ReachabilityFireability-05 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 23 ms. (steps per millisecond=434 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 15 resets, run finished after 12 ms. (steps per millisecond=833 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 15 ms. (steps per millisecond=666 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 13 resets, run finished after 16 ms. (steps per millisecond=625 ) properties seen :[0, 0, 0, 0, 0, 0, 1, 0, 0, 0]
FORMULA FlexibleBarrier-PT-10b-ReachabilityFireability-10 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 11 resets, run finished after 19 ms. (steps per millisecond=526 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 15 resets, run finished after 19 ms. (steps per millisecond=526 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 11 ms. (steps per millisecond=909 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 1]
FORMULA FlexibleBarrier-PT-10b-ReachabilityFireability-14 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
// Phase 1: matrix 1613 rows 1402 cols
[2020-06-05 12:15:54] [INFO ] Computed 12 place invariants in 73 ms
[2020-06-05 12:15:54] [INFO ] [Real]Absence check using 12 positive place invariants in 115 ms returned sat
[2020-06-05 12:15:54] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-05 12:15:59] [INFO ] [Real]Absence check using state equation in 4460 ms returned (error "Solver has unexpectedly terminated")
[2020-06-05 12:15:59] [INFO ] [Real]Absence check using 12 positive place invariants in 137 ms returned sat
[2020-06-05 12:15:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-05 12:16:04] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-05 12:16:04] [INFO ] [Real]Absence check using state equation in 4375 ms returned (error "Failed to check-sat")
[2020-06-05 12:16:04] [INFO ] [Real]Absence check using 12 positive place invariants in 119 ms returned sat
[2020-06-05 12:16:04] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-05 12:16:09] [INFO ] [Real]Absence check using state equation in 4446 ms returned (error "Solver has unexpectedly terminated")
[2020-06-05 12:16:09] [INFO ] [Real]Absence check using 12 positive place invariants in 117 ms returned sat
[2020-06-05 12:16:09] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-05 12:16:14] [INFO ] [Real]Absence check using state equation in 4555 ms returned (error "Solver has unexpectedly terminated")
[2020-06-05 12:16:14] [INFO ] [Real]Absence check using 12 positive place invariants in 120 ms returned sat
[2020-06-05 12:16:14] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-05 12:16:19] [INFO ] [Real]Absence check using state equation in 4535 ms returned (error "Solver has unexpectedly terminated")
[2020-06-05 12:16:19] [INFO ] [Real]Absence check using 12 positive place invariants in 73 ms returned sat
[2020-06-05 12:16:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-05 12:16:24] [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 (= s1333 (- t69 (+ t1451 t1452)))") while checking expression at index 5
[2020-06-05 12:16:24] [INFO ] [Real]Absence check using 12 positive place invariants in 120 ms returned sat
[2020-06-05 12:16:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-05 12:16:29] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-05 12:16:29] [INFO ] [Real]Absence check using state equation in 4461 ms returned (error "Failed to check-sat")
[2020-06-05 12:16:29] [INFO ] [Real]Absence check using 12 positive place invariants in 104 ms returned sat
[2020-06-05 12:16:29] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-05 12:16:34] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-05 12:16:34] [INFO ] [Real]Absence check using state equation in 4643 ms returned (error "Failed to check-sat")
Support contains 37 out of 1402 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 1402/1402 places, 1613/1613 transitions.
Graph (trivial) has 1243 edges and 1402 vertex of which 42 / 1402 are part of one of the 7 SCC in 20 ms
Free SCC test removed 35 places
Drop transitions removed 42 transitions
Reduce isomorphic transitions removed 42 transitions.
Performed 349 Post agglomeration using F-continuation condition.Transition count delta: 349
Iterating post reduction 0 with 391 rules applied. Total rules applied 392 place count 1367 transition count 1222
Reduce places removed 349 places and 0 transitions.
Iterating post reduction 1 with 349 rules applied. Total rules applied 741 place count 1018 transition count 1222
Performed 84 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 84 Pre rules applied. Total rules applied 741 place count 1018 transition count 1138
Deduced a syphon composed of 84 places in 9 ms
Reduce places removed 84 places and 0 transitions.
Iterating global reduction 2 with 168 rules applied. Total rules applied 909 place count 934 transition count 1138
Symmetric choice reduction at 2 with 493 rule applications. Total rules 1402 place count 934 transition count 1138
Deduced a syphon composed of 493 places in 4 ms
Reduce places removed 493 places and 493 transitions.
Iterating global reduction 2 with 986 rules applied. Total rules applied 2388 place count 441 transition count 645
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 2 rules applied. Total rules applied 2390 place count 441 transition count 643
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 2391 place count 440 transition count 643
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 7 Pre rules applied. Total rules applied 2391 place count 440 transition count 636
Deduced a syphon composed of 7 places in 1 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 4 with 14 rules applied. Total rules applied 2405 place count 433 transition count 636
Symmetric choice reduction at 4 with 73 rule applications. Total rules 2478 place count 433 transition count 636
Deduced a syphon composed of 73 places in 2 ms
Reduce places removed 73 places and 73 transitions.
Iterating global reduction 4 with 146 rules applied. Total rules applied 2624 place count 360 transition count 563
Ensure Unique test removed 67 transitions
Reduce isomorphic transitions removed 67 transitions.
Iterating post reduction 4 with 67 rules applied. Total rules applied 2691 place count 360 transition count 496
Performed 55 Post agglomeration using F-continuation condition.Transition count delta: 55
Deduced a syphon composed of 55 places in 1 ms
Reduce places removed 55 places and 0 transitions.
Iterating global reduction 5 with 110 rules applied. Total rules applied 2801 place count 305 transition count 441
Drop transitions removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 5 with 7 rules applied. Total rules applied 2808 place count 305 transition count 434
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -12
Deduced a syphon composed of 4 places in 2 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 6 with 8 rules applied. Total rules applied 2816 place count 301 transition count 446
Free-agglomeration rule applied 156 times.
Iterating global reduction 6 with 156 rules applied. Total rules applied 2972 place count 301 transition count 290
Reduce places removed 156 places and 0 transitions.
Drop transitions removed 29 transitions
Reduce isomorphic transitions removed 29 transitions.
Iterating post reduction 6 with 185 rules applied. Total rules applied 3157 place count 145 transition count 261
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 7 with 1 rules applied. Total rules applied 3158 place count 145 transition count 261
Partial Post-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 7 with 1 rules applied. Total rules applied 3159 place count 145 transition count 261
Drop transitions removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 7 with 16 rules applied. Total rules applied 3175 place count 145 transition count 245
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 7 with 1 rules applied. Total rules applied 3176 place count 144 transition count 244
Applied a total of 3176 rules in 736 ms. Remains 144 /1402 variables (removed 1258) and now considering 244/1613 (removed 1369) transitions.
Finished structural reductions, in 1 iterations. Remains : 144/1402 places, 244/1613 transitions.
Incomplete random walk after 1000000 steps, including 13338 resets, run finished after 2989 ms. (steps per millisecond=334 ) properties seen :[1, 1, 1, 1, 1, 1, 0, 1]
FORMULA FlexibleBarrier-PT-10b-ReachabilityFireability-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-10b-ReachabilityFireability-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-10b-ReachabilityFireability-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-10b-ReachabilityFireability-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-10b-ReachabilityFireability-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-10b-ReachabilityFireability-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-10b-ReachabilityFireability-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Finished Best-First random walk after 3520 steps, including 4 resets, run visited all 1 properties in 4 ms. (steps per millisecond=880 )
FORMULA FlexibleBarrier-PT-10b-ReachabilityFireability-11 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_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-10b"
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 FlexibleBarrier-PT-10b, 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 r170-smll-158987815700319"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-10b.tgz
mv FlexibleBarrier-PT-10b 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 ;