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.r166-smll-158987787800527.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 AutoFlight-PT-96b, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r166-smll-158987787800527
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.1M
-rw-r--r-- 1 mcc users 3.3K Mar 26 00:14 CTLCardinality.txt
-rw-r--r-- 1 mcc users 18K Mar 26 00:14 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 25 19:23 CTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 25 19:23 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:37 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.2K Mar 24 05:37 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Apr 8 14:42 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Apr 28 14:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K Apr 8 14:42 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 28 14:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K Mar 25 15:42 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 17K Mar 25 15:42 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 25 11:20 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 25 11:20 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 25 17:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 25 17:54 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 1.9M 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 AutoFlight-PT-96b-ReachabilityFireability-00
FORMULA_NAME AutoFlight-PT-96b-ReachabilityFireability-01
FORMULA_NAME AutoFlight-PT-96b-ReachabilityFireability-02
FORMULA_NAME AutoFlight-PT-96b-ReachabilityFireability-03
FORMULA_NAME AutoFlight-PT-96b-ReachabilityFireability-04
FORMULA_NAME AutoFlight-PT-96b-ReachabilityFireability-05
FORMULA_NAME AutoFlight-PT-96b-ReachabilityFireability-06
FORMULA_NAME AutoFlight-PT-96b-ReachabilityFireability-07
FORMULA_NAME AutoFlight-PT-96b-ReachabilityFireability-08
FORMULA_NAME AutoFlight-PT-96b-ReachabilityFireability-09
FORMULA_NAME AutoFlight-PT-96b-ReachabilityFireability-10
FORMULA_NAME AutoFlight-PT-96b-ReachabilityFireability-11
FORMULA_NAME AutoFlight-PT-96b-ReachabilityFireability-12
FORMULA_NAME AutoFlight-PT-96b-ReachabilityFireability-13
FORMULA_NAME AutoFlight-PT-96b-ReachabilityFireability-14
FORMULA_NAME AutoFlight-PT-96b-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1591548762645

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-07 16:52:44] [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]
[2020-06-07 16:52:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-07 16:52:45] [INFO ] Load time of PNML (sax parser for PT used): 599 ms
[2020-06-07 16:52:45] [INFO ] Transformed 7894 places.
[2020-06-07 16:52:45] [INFO ] Transformed 7868 transitions.
[2020-06-07 16:52:45] [INFO ] Found NUPN structural information;
[2020-06-07 16:52:46] [INFO ] Parsed PT model containing 7894 places and 7868 transitions in 1098 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 388 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 2 resets, run finished after 192 ms. (steps per millisecond=52 ) properties seen :[1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0]
FORMULA AutoFlight-PT-96b-ReachabilityFireability-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-96b-ReachabilityFireability-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-96b-ReachabilityFireability-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-96b-ReachabilityFireability-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-96b-ReachabilityFireability-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-96b-ReachabilityFireability-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-96b-ReachabilityFireability-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-96b-ReachabilityFireability-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 40 ms. (steps per millisecond=250 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 43 ms. (steps per millisecond=232 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 24 ms. (steps per millisecond=416 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 24 ms. (steps per millisecond=416 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 24 ms. (steps per millisecond=416 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 56 ms. (steps per millisecond=178 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 18 ms. (steps per millisecond=555 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 29 ms. (steps per millisecond=344 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
// Phase 1: matrix 7868 rows 7894 cols
[2020-06-07 16:52:47] [INFO ] Computed 514 place invariants in 514 ms
[2020-06-07 16:52:52] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-07 16:52:52] [INFO ] [Real]Absence check using 513 positive place invariants in 2832 ms returned (error "Failed to check-sat")
[2020-06-07 16:52:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-07 16:52:52] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 0
[2020-06-07 16:52:57] [INFO ] [Real]Absence check using 513 positive place invariants in 2876 ms returned unsat
[2020-06-07 16:53:02] [INFO ] [Real]Absence check using 513 positive place invariants in 3526 ms returned sat
[2020-06-07 16:53:02] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-07 16:53:02] [INFO ] [Real]Absence check using 513 positive and 1 generalized place invariants in 10 ms returned unknown
[2020-06-07 16:53:07] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-07 16:53:07] [INFO ] [Real]Absence check using 513 positive place invariants in 3025 ms returned (error "Failed to check-sat")
[2020-06-07 16:53:07] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-07 16:53:07] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 3
[2020-06-07 16:53:11] [INFO ] [Real]Absence check using 513 positive place invariants in 2061 ms returned unsat
[2020-06-07 16:53:16] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-07 16:53:16] [INFO ] [Real]Absence check using 513 positive place invariants in 3577 ms returned unknown
[2020-06-07 16:53:21] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-07 16:53:21] [INFO ] [Real]Absence check using 513 positive place invariants in 3104 ms returned (error "Failed to check-sat")
[2020-06-07 16:53:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-07 16:53:21] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 6
[2020-06-07 16:53:26] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-07 16:53:26] [INFO ] [Real]Absence check using 513 positive place invariants in 3575 ms returned (error "Failed to check-sat")
[2020-06-07 16:53:26] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-07 16:53:26] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 7
FORMULA AutoFlight-PT-96b-ReachabilityFireability-08 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA AutoFlight-PT-96b-ReachabilityFireability-03 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Support contains 29 out of 7894 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 7894/7894 places, 7868/7868 transitions.
Performed 3396 Post agglomeration using F-continuation condition.Transition count delta: 3396
Iterating post reduction 0 with 3396 rules applied. Total rules applied 3396 place count 7894 transition count 4472
Reduce places removed 3396 places and 0 transitions.
Ensure Unique test removed 382 transitions
Reduce isomorphic transitions removed 382 transitions.
Performed 190 Post agglomeration using F-continuation condition.Transition count delta: 190
Iterating post reduction 1 with 3968 rules applied. Total rules applied 7364 place count 4498 transition count 3900
Reduce places removed 190 places and 0 transitions.
Iterating post reduction 2 with 190 rules applied. Total rules applied 7554 place count 4308 transition count 3900
Performed 1000 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1000 Pre rules applied. Total rules applied 7554 place count 4308 transition count 2900
Deduced a syphon composed of 1000 places in 52 ms
Reduce places removed 1000 places and 0 transitions.
Iterating global reduction 3 with 2000 rules applied. Total rules applied 9554 place count 3308 transition count 2900
Symmetric choice reduction at 3 with 764 rule applications. Total rules 10318 place count 3308 transition count 2900
Deduced a syphon composed of 764 places in 91 ms
Reduce places removed 764 places and 764 transitions.
Iterating global reduction 3 with 1528 rules applied. Total rules applied 11846 place count 2544 transition count 2136
Performed 214 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 214 Pre rules applied. Total rules applied 11846 place count 2544 transition count 1922
Deduced a syphon composed of 214 places in 29 ms
Reduce places removed 214 places and 0 transitions.
Iterating global reduction 3 with 428 rules applied. Total rules applied 12274 place count 2330 transition count 1922
Performed 616 Post agglomeration using F-continuation condition.Transition count delta: 616
Deduced a syphon composed of 616 places in 3 ms
Reduce places removed 616 places and 0 transitions.
Iterating global reduction 3 with 1232 rules applied. Total rules applied 13506 place count 1714 transition count 1306
Renaming transitions due to excessive name length > 1024 char.
Free-agglomeration rule applied 286 times.
Iterating global reduction 3 with 286 rules applied. Total rules applied 13792 place count 1714 transition count 1020
Reduce places removed 286 places and 0 transitions.
Iterating post reduction 3 with 286 rules applied. Total rules applied 14078 place count 1428 transition count 1020
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 14079 place count 1428 transition count 1020
Partial Post-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 14080 place count 1428 transition count 1020
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 14081 place count 1427 transition count 1019
Reduce places removed 252 places and 0 transitions.
Performed 253 Post agglomeration using F-continuation condition.Transition count delta: 253
Iterating post reduction 4 with 505 rules applied. Total rules applied 14586 place count 1175 transition count 766
Reduce places removed 253 places and 0 transitions.
Iterating post reduction 5 with 253 rules applied. Total rules applied 14839 place count 922 transition count 766
Performed 108 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 108 Pre rules applied. Total rules applied 14839 place count 922 transition count 658
Deduced a syphon composed of 108 places in 3 ms
Reduce places removed 108 places and 0 transitions.
Iterating global reduction 6 with 216 rules applied. Total rules applied 15055 place count 814 transition count 658
Applied a total of 15055 rules in 4592 ms. Remains 814 /7894 variables (removed 7080) and now considering 658/7868 (removed 7210) transitions.
Finished structural reductions, in 1 iterations. Remains : 814/7894 places, 658/7868 transitions.
Incomplete random walk after 1000000 steps, including 2763 resets, run finished after 10713 ms. (steps per millisecond=93 ) properties seen :[0, 1, 1, 0, 1, 1]
FORMULA AutoFlight-PT-96b-ReachabilityFireability-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-96b-ReachabilityFireability-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-96b-ReachabilityFireability-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-96b-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Interrupted Best-First random walk after 943408 steps, including 131 resets, run timeout after 5001 ms. (steps per millisecond=188 ) properties seen :[1, 0]
FORMULA AutoFlight-PT-96b-ReachabilityFireability-02 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Interrupted Best-First random walk after 883801 steps, including 175 resets, run timeout after 5001 ms. (steps per millisecond=176 ) properties seen :[0]
// Phase 1: matrix 658 rows 814 cols
[2020-06-07 16:53:51] [INFO ] Computed 262 place invariants in 27 ms
[2020-06-07 16:53:51] [INFO ] [Real]Absence check using 260 positive place invariants in 181 ms returned sat
[2020-06-07 16:53:51] [INFO ] [Real]Absence check using 260 positive and 2 generalized place invariants in 18 ms returned sat
[2020-06-07 16:53:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-07 16:53:53] [INFO ] [Real]Absence check using state equation in 1941 ms returned sat
[2020-06-07 16:53:53] [INFO ] State equation strengthened by 386 read => feed constraints.
[2020-06-07 16:53:54] [INFO ] [Real]Added 386 Read/Feed constraints in 44 ms returned sat
[2020-06-07 16:53:54] [INFO ] Computed and/alt/rep : 625/1329/625 causal constraints in 79 ms.
[2020-06-07 16:53:54] [INFO ] Solution in real domain found non-integer solution.
[2020-06-07 16:53:55] [INFO ] [Nat]Absence check using 260 positive place invariants in 290 ms returned sat
[2020-06-07 16:53:55] [INFO ] [Nat]Absence check using 260 positive and 2 generalized place invariants in 111 ms returned sat
[2020-06-07 16:53:55] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-07 16:53:57] [INFO ] [Nat]Absence check using state equation in 2191 ms returned sat
[2020-06-07 16:53:57] [INFO ] [Nat]Added 386 Read/Feed constraints in 87 ms returned sat
[2020-06-07 16:53:57] [INFO ] Computed and/alt/rep : 625/1329/625 causal constraints in 59 ms.
[2020-06-07 16:54:03] [INFO ] Added : 437 causal constraints over 88 iterations in 5548 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 29 ms.
Finished Parikh walk after 383 steps, including 1 resets, run visited all 1 properties in 7 ms. (steps per millisecond=54 )
FORMULA AutoFlight-PT-96b-ReachabilityFireability-09 TRUE 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="AutoFlight-PT-96b"
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 AutoFlight-PT-96b, 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 r166-smll-158987787800527"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-96b.tgz
mv AutoFlight-PT-96b 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 ;