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-158987815800407.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-22a, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r170-smll-158987815800407
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 564K
-rw-r--r-- 1 mcc users 3.4K Apr 4 20:01 CTLCardinality.txt
-rw-r--r-- 1 mcc users 19K Apr 4 20:01 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Apr 4 09:08 CTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 4 09:08 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 3.6K Apr 8 14:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K 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 18K Apr 28 14:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Apr 3 21:29 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 20K Apr 3 21:29 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Apr 3 13:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 14K Apr 3 13:48 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 384K 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-22a-ReachabilityFireability-00
FORMULA_NAME FlexibleBarrier-PT-22a-ReachabilityFireability-01
FORMULA_NAME FlexibleBarrier-PT-22a-ReachabilityFireability-02
FORMULA_NAME FlexibleBarrier-PT-22a-ReachabilityFireability-03
FORMULA_NAME FlexibleBarrier-PT-22a-ReachabilityFireability-04
FORMULA_NAME FlexibleBarrier-PT-22a-ReachabilityFireability-05
FORMULA_NAME FlexibleBarrier-PT-22a-ReachabilityFireability-06
FORMULA_NAME FlexibleBarrier-PT-22a-ReachabilityFireability-07
FORMULA_NAME FlexibleBarrier-PT-22a-ReachabilityFireability-08
FORMULA_NAME FlexibleBarrier-PT-22a-ReachabilityFireability-09
FORMULA_NAME FlexibleBarrier-PT-22a-ReachabilityFireability-10
FORMULA_NAME FlexibleBarrier-PT-22a-ReachabilityFireability-11
FORMULA_NAME FlexibleBarrier-PT-22a-ReachabilityFireability-12
FORMULA_NAME FlexibleBarrier-PT-22a-ReachabilityFireability-13
FORMULA_NAME FlexibleBarrier-PT-22a-ReachabilityFireability-14
FORMULA_NAME FlexibleBarrier-PT-22a-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1591418781217

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-06 04:46:23] [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]
[2020-06-06 04:46:23] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-06 04:46:23] [INFO ] Load time of PNML (sax parser for PT used): 194 ms
[2020-06-06 04:46:23] [INFO ] Transformed 267 places.
[2020-06-06 04:46:24] [INFO ] Transformed 1258 transitions.
[2020-06-06 04:46:24] [INFO ] Found NUPN structural information;
[2020-06-06 04:46:24] [INFO ] Parsed PT model containing 267 places and 1258 transitions in 260 ms.
Ensure Unique test removed 442 transitions
Reduce redundant transitions removed 442 transitions.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 35 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 0 resets, run finished after 144 ms. (steps per millisecond=69 ) properties seen :[1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 0, 1, 0, 1]
FORMULA FlexibleBarrier-PT-22a-ReachabilityFireability-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-22a-ReachabilityFireability-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-22a-ReachabilityFireability-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-22a-ReachabilityFireability-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-22a-ReachabilityFireability-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-22a-ReachabilityFireability-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-22a-ReachabilityFireability-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-22a-ReachabilityFireability-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-22a-ReachabilityFireability-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-22a-ReachabilityFireability-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-22a-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 37 ms. (steps per millisecond=270 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 27 ms. (steps per millisecond=370 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 31 ms. (steps per millisecond=322 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 49 ms. (steps per millisecond=204 ) properties seen :[1, 0, 0, 0, 0]
FORMULA FlexibleBarrier-PT-22a-ReachabilityFireability-03 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 20 ms. (steps per millisecond=500 ) properties seen :[0, 0, 0, 0]
[2020-06-06 04:46:24] [INFO ] Flow matrix only has 794 transitions (discarded 22 similar events)
// Phase 1: matrix 794 rows 267 cols
[2020-06-06 04:46:24] [INFO ] Computed 24 place invariants in 37 ms
[2020-06-06 04:46:24] [INFO ] [Real]Absence check using 24 positive place invariants in 35 ms returned sat
[2020-06-06 04:46:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-06 04:46:25] [INFO ] [Real]Absence check using state equation in 531 ms returned sat
[2020-06-06 04:46:25] [INFO ] State equation strengthened by 595 read => feed constraints.
[2020-06-06 04:46:25] [INFO ] [Real]Added 595 Read/Feed constraints in 69 ms returned sat
[2020-06-06 04:46:25] [INFO ] Computed and/alt/rep : 815/21806/793 causal constraints in 153 ms.
[2020-06-06 04:46:25] [INFO ] Solution in real domain found non-integer solution.
[2020-06-06 04:46:25] [INFO ] [Nat]Absence check using 24 positive place invariants in 39 ms returned sat
[2020-06-06 04:46:25] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-06 04:46:26] [INFO ] [Nat]Absence check using state equation in 645 ms returned sat
[2020-06-06 04:46:26] [INFO ] [Nat]Added 595 Read/Feed constraints in 81 ms returned sat
[2020-06-06 04:46:26] [INFO ] Computed and/alt/rep : 815/21806/793 causal constraints in 161 ms.
[2020-06-06 04:46:30] [INFO ] Added : 255 causal constraints over 51 iterations in 4104 ms. Result :(error "Failed to check-sat")
[2020-06-06 04:46:30] [INFO ] [Real]Absence check using 24 positive place invariants in 20 ms returned unsat
[2020-06-06 04:46:31] [INFO ] [Real]Absence check using 24 positive place invariants in 22 ms returned sat
[2020-06-06 04:46:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-06 04:46:31] [INFO ] [Real]Absence check using state equation in 561 ms returned sat
[2020-06-06 04:46:31] [INFO ] [Real]Added 595 Read/Feed constraints in 77 ms returned sat
[2020-06-06 04:46:31] [INFO ] Computed and/alt/rep : 815/21806/793 causal constraints in 139 ms.
[2020-06-06 04:46:32] [INFO ] Solution in real domain found non-integer solution.
[2020-06-06 04:46:32] [INFO ] [Nat]Absence check using 24 positive place invariants in 75 ms returned sat
[2020-06-06 04:46:32] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-06 04:46:33] [INFO ] [Nat]Absence check using state equation in 757 ms returned sat
[2020-06-06 04:46:33] [INFO ] [Nat]Added 595 Read/Feed constraints in 56 ms returned sat
[2020-06-06 04:46:33] [INFO ] Computed and/alt/rep : 815/21806/793 causal constraints in 95 ms.
[2020-06-06 04:46:37] [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: Stream closed (=> (> t278 0) (and (and (> t234 0) (< o234 o278)) (and (> t0 0) (< o0 o278))))") while checking expression at index 2
[2020-06-06 04:46:37] [INFO ] [Real]Absence check using 24 positive place invariants in 34 ms returned unsat
FORMULA FlexibleBarrier-PT-22a-ReachabilityFireability-14 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA FlexibleBarrier-PT-22a-ReachabilityFireability-11 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Support contains 20 out of 267 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 267/267 places, 816/816 transitions.
Graph (trivial) has 184 edges and 267 vertex of which 30 / 267 are part of one of the 10 SCC in 21 ms
Free SCC test removed 20 places
Drop transitions removed 130 transitions
Reduce isomorphic transitions removed 130 transitions.
Iterating post reduction 0 with 130 rules applied. Total rules applied 131 place count 247 transition count 686
Performed 59 Post agglomeration using F-continuation condition.Transition count delta: 59
Deduced a syphon composed of 59 places in 2 ms
Reduce places removed 59 places and 0 transitions.
Iterating global reduction 1 with 118 rules applied. Total rules applied 249 place count 188 transition count 627
Drop transitions removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Iterating post reduction 1 with 21 rules applied. Total rules applied 270 place count 188 transition count 606
Symmetric choice reduction at 2 with 19 rule applications. Total rules 289 place count 188 transition count 606
Deduced a syphon composed of 19 places in 1 ms
Reduce places removed 19 places and 19 transitions.
Iterating global reduction 2 with 38 rules applied. Total rules applied 327 place count 169 transition count 587
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 2 with 10 rules applied. Total rules applied 337 place count 164 transition count 587
Free-agglomeration rule applied 15 times.
Iterating global reduction 2 with 15 rules applied. Total rules applied 352 place count 164 transition count 572
Reduce places removed 15 places and 0 transitions.
Iterating post reduction 2 with 15 rules applied. Total rules applied 367 place count 149 transition count 572
Partial Free-agglomeration rule applied 22 times.
Drop transitions removed 22 transitions
Iterating global reduction 3 with 22 rules applied. Total rules applied 389 place count 149 transition count 572
Partial Post-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 390 place count 149 transition count 572
Drop transitions removed 246 transitions
Redundant transition composition rules discarded 246 transitions
Iterating global reduction 3 with 246 rules applied. Total rules applied 636 place count 149 transition count 326
Discarding 50 places :
Also discarding 0 output transitions
Graph (complete) has 615 edges and 149 vertex of which 99 are kept as prefixes of interest. Removing 50 places using SCC suffix rule.7 ms
Iterating post reduction 3 with 1 rules applied. Total rules applied 637 place count 99 transition count 326
Drop transitions removed 70 transitions
Reduce isomorphic transitions removed 70 transitions.
Iterating post reduction 4 with 70 rules applied. Total rules applied 707 place count 99 transition count 256
Free-agglomeration rule applied 3 times.
Iterating global reduction 5 with 3 rules applied. Total rules applied 710 place count 99 transition count 253
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 713 place count 96 transition count 253
Applied a total of 713 rules in 264 ms. Remains 96 /267 variables (removed 171) and now considering 253/816 (removed 563) transitions.
Finished structural reductions, in 1 iterations. Remains : 96/267 places, 253/816 transitions.
Finished random walk after 14248 steps, including 0 resets, run visited all 2 properties in 62 ms. (steps per millisecond=229 )
FORMULA FlexibleBarrier-PT-22a-ReachabilityFireability-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-22a-ReachabilityFireability-05 TRUE 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="FlexibleBarrier-PT-22a"
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-22a, 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-158987815800407"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-22a.tgz
mv FlexibleBarrier-PT-22a 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 ;