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-158987815700359.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-16a, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r170-smll-158987815700359
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 388K
-rw-r--r-- 1 mcc users 3.3K Apr 4 19:11 CTLCardinality.txt
-rw-r--r-- 1 mcc users 18K Apr 4 19:10 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Apr 4 07:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 15K Apr 4 07:48 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 26K 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 16K Apr 28 14:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.3K Apr 3 21:16 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 16K Apr 3 21:16 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Apr 3 13:34 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 3 13:34 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 214K 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-16a-ReachabilityFireability-00
FORMULA_NAME FlexibleBarrier-PT-16a-ReachabilityFireability-01
FORMULA_NAME FlexibleBarrier-PT-16a-ReachabilityFireability-02
FORMULA_NAME FlexibleBarrier-PT-16a-ReachabilityFireability-03
FORMULA_NAME FlexibleBarrier-PT-16a-ReachabilityFireability-04
FORMULA_NAME FlexibleBarrier-PT-16a-ReachabilityFireability-05
FORMULA_NAME FlexibleBarrier-PT-16a-ReachabilityFireability-06
FORMULA_NAME FlexibleBarrier-PT-16a-ReachabilityFireability-07
FORMULA_NAME FlexibleBarrier-PT-16a-ReachabilityFireability-08
FORMULA_NAME FlexibleBarrier-PT-16a-ReachabilityFireability-09
FORMULA_NAME FlexibleBarrier-PT-16a-ReachabilityFireability-10
FORMULA_NAME FlexibleBarrier-PT-16a-ReachabilityFireability-11
FORMULA_NAME FlexibleBarrier-PT-16a-ReachabilityFireability-12
FORMULA_NAME FlexibleBarrier-PT-16a-ReachabilityFireability-13
FORMULA_NAME FlexibleBarrier-PT-16a-ReachabilityFireability-14
FORMULA_NAME FlexibleBarrier-PT-16a-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1591382127195

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-05 18:35:29] [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 18:35:29] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-05 18:35:29] [INFO ] Load time of PNML (sax parser for PT used): 149 ms
[2020-06-05 18:35:29] [INFO ] Transformed 195 places.
[2020-06-05 18:35:29] [INFO ] Transformed 724 transitions.
[2020-06-05 18:35:29] [INFO ] Found NUPN structural information;
[2020-06-05 18:35:29] [INFO ] Parsed PT model containing 195 places and 724 transitions in 216 ms.
Ensure Unique test removed 226 transitions
Reduce redundant transitions removed 226 transitions.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 40 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 0 resets, run finished after 117 ms. (steps per millisecond=85 ) properties seen :[0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1]
FORMULA FlexibleBarrier-PT-16a-ReachabilityFireability-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-16a-ReachabilityFireability-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-16a-ReachabilityFireability-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-16a-ReachabilityFireability-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-16a-ReachabilityFireability-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-16a-ReachabilityFireability-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-16a-ReachabilityFireability-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 33 ms. (steps per millisecond=303 ) properties seen :[1, 0, 0, 0, 0, 0, 0, 0, 0]
FORMULA FlexibleBarrier-PT-16a-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
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, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 39 ms. (steps per millisecond=256 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 59 ms. (steps per millisecond=169 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 45 ms. (steps per millisecond=222 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 0 resets, run finished after 12 ms. (steps per millisecond=833 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 13 ms. (steps per millisecond=769 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 34 ms. (steps per millisecond=294 ) properties seen :[0, 0, 0, 0, 0, 0, 1, 0]
FORMULA FlexibleBarrier-PT-16a-ReachabilityFireability-12 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 22 ms. (steps per millisecond=454 ) properties seen :[0, 0, 0, 0, 0, 0, 1]
FORMULA FlexibleBarrier-PT-16a-ReachabilityFireability-13 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2020-06-05 18:35:30] [INFO ] Flow matrix only has 482 transitions (discarded 16 similar events)
// Phase 1: matrix 482 rows 195 cols
[2020-06-05 18:35:30] [INFO ] Computed 18 place invariants in 14 ms
[2020-06-05 18:35:30] [INFO ] [Real]Absence check using 18 positive place invariants in 25 ms returned unsat
[2020-06-05 18:35:30] [INFO ] [Real]Absence check using 18 positive place invariants in 26 ms returned sat
[2020-06-05 18:35:30] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-05 18:35:30] [INFO ] [Real]Absence check using state equation in 425 ms returned sat
[2020-06-05 18:35:31] [INFO ] State equation strengthened by 337 read => feed constraints.
[2020-06-05 18:35:31] [INFO ] [Real]Added 337 Read/Feed constraints in 57 ms returned sat
[2020-06-05 18:35:31] [INFO ] Computed and/alt/rep : 497/8564/481 causal constraints in 114 ms.
[2020-06-05 18:35:31] [INFO ] Solution in real domain found non-integer solution.
[2020-06-05 18:35:31] [INFO ] [Nat]Absence check using 18 positive place invariants in 62 ms returned sat
[2020-06-05 18:35:31] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-05 18:35:31] [INFO ] [Nat]Absence check using state equation in 296 ms returned sat
[2020-06-05 18:35:31] [INFO ] [Nat]Added 337 Read/Feed constraints in 32 ms returned sat
[2020-06-05 18:35:32] [INFO ] Computed and/alt/rep : 497/8564/481 causal constraints in 62 ms.
[2020-06-05 18:35:36] [INFO ] Added : 310 causal constraints over 62 iterations in 4516 ms. Result :(error "Failed to check-sat")
[2020-06-05 18:35:36] [INFO ] [Real]Absence check using 18 positive place invariants in 26 ms returned sat
[2020-06-05 18:35:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-05 18:35:37] [INFO ] [Real]Absence check using state equation in 452 ms returned sat
[2020-06-05 18:35:37] [INFO ] [Real]Added 337 Read/Feed constraints in 53 ms returned sat
[2020-06-05 18:35:37] [INFO ] Computed and/alt/rep : 497/8564/481 causal constraints in 73 ms.
[2020-06-05 18:35:37] [INFO ] Solution in real domain found non-integer solution.
[2020-06-05 18:35:37] [INFO ] [Nat]Absence check using 18 positive place invariants in 69 ms returned sat
[2020-06-05 18:35:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-05 18:35:37] [INFO ] [Nat]Absence check using state equation in 348 ms returned sat
[2020-06-05 18:35:37] [INFO ] [Nat]Added 337 Read/Feed constraints in 38 ms returned sat
[2020-06-05 18:35:37] [INFO ] Computed and/alt/rep : 497/8564/481 causal constraints in 53 ms.
[2020-06-05 18:35:42] [INFO ] Added : 315 causal constraints over 63 iterations in 4456 ms. Result :(error "Solver has unexpectedly terminated")
[2020-06-05 18:35:42] [INFO ] [Real]Absence check using 18 positive place invariants in 11 ms returned unsat
[2020-06-05 18:35:42] [INFO ] [Real]Absence check using 18 positive place invariants in 22 ms returned sat
[2020-06-05 18:35:42] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-05 18:35:42] [INFO ] [Real]Absence check using state equation in 352 ms returned sat
[2020-06-05 18:35:42] [INFO ] [Real]Added 337 Read/Feed constraints in 48 ms returned sat
[2020-06-05 18:35:43] [INFO ] Computed and/alt/rep : 497/8564/481 causal constraints in 62 ms.
[2020-06-05 18:35:43] [INFO ] Solution in real domain found non-integer solution.
[2020-06-05 18:35:43] [INFO ] [Nat]Absence check using 18 positive place invariants in 23 ms returned sat
[2020-06-05 18:35:43] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-05 18:35:43] [INFO ] [Nat]Absence check using state equation in 242 ms returned sat
[2020-06-05 18:35:43] [INFO ] [Nat]Added 337 Read/Feed constraints in 46 ms returned sat
[2020-06-05 18:35:43] [INFO ] Computed and/alt/rep : 497/8564/481 causal constraints in 74 ms.
[2020-06-05 18:35:48] [INFO ] Added : 315 causal constraints over 63 iterations in 4614 ms. Result :unknown
[2020-06-05 18:35:48] [INFO ] [Real]Absence check using 18 positive place invariants in 11 ms returned unsat
FORMULA FlexibleBarrier-PT-16a-ReachabilityFireability-09 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA FlexibleBarrier-PT-16a-ReachabilityFireability-07 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA FlexibleBarrier-PT-16a-ReachabilityFireability-03 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Incomplete Parikh walk after 70100 steps, including 318 resets, run finished after 524 ms. (steps per millisecond=133 ) properties seen :[0, 0, 0] could not realise parikh vector
Support contains 29 out of 195 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 195/195 places, 498/498 transitions.
Graph (trivial) has 111 edges and 195 vertex of which 6 / 195 are part of one of the 2 SCC in 5 ms
Free SCC test removed 4 places
Drop transitions removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 191 transition count 488
Performed 35 Post agglomeration using F-continuation condition.Transition count delta: 35
Deduced a syphon composed of 35 places in 2 ms
Reduce places removed 35 places and 0 transitions.
Iterating global reduction 1 with 70 rules applied. Total rules applied 81 place count 156 transition count 453
Drop transitions removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 1 with 12 rules applied. Total rules applied 93 place count 156 transition count 441
Symmetric choice reduction at 2 with 10 rule applications. Total rules 103 place count 156 transition count 441
Deduced a syphon composed of 10 places in 2 ms
Reduce places removed 10 places and 10 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 123 place count 146 transition count 431
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 133 place count 141 transition count 431
Free-agglomeration rule applied 11 times.
Iterating global reduction 2 with 11 rules applied. Total rules applied 144 place count 141 transition count 420
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 2 with 11 rules applied. Total rules applied 155 place count 130 transition count 420
Partial Free-agglomeration rule applied 15 times.
Drop transitions removed 15 transitions
Iterating global reduction 3 with 15 rules applied. Total rules applied 170 place count 130 transition count 420
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 172 place count 130 transition count 418
Drop transitions removed 73 transitions
Redundant transition composition rules discarded 73 transitions
Iterating global reduction 4 with 73 rules applied. Total rules applied 245 place count 130 transition count 345
Discarding 10 places :
Also discarding 0 output transitions
Graph (complete) has 657 edges and 130 vertex of which 120 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.7 ms
Iterating post reduction 4 with 1 rules applied. Total rules applied 246 place count 120 transition count 345
Drop transitions removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 5 with 14 rules applied. Total rules applied 260 place count 120 transition count 331
Free-agglomeration rule applied 6 times.
Iterating global reduction 6 with 6 rules applied. Total rules applied 266 place count 120 transition count 325
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 272 place count 114 transition count 325
Applied a total of 272 rules in 199 ms. Remains 114 /195 variables (removed 81) and now considering 325/498 (removed 173) transitions.
Finished structural reductions, in 1 iterations. Remains : 114/195 places, 325/498 transitions.
Incomplete random walk after 1000000 steps, including 0 resets, run finished after 3849 ms. (steps per millisecond=259 ) properties seen :[0, 1, 1]
FORMULA FlexibleBarrier-PT-16a-ReachabilityFireability-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-16a-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Finished Best-First random walk after 149977 steps, including 0 resets, run visited all 1 properties in 176 ms. (steps per millisecond=852 )
FORMULA FlexibleBarrier-PT-16a-ReachabilityFireability-05 TRUE 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-16a"
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-16a, 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-158987815700359"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-16a.tgz
mv FlexibleBarrier-PT-16a 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 ;