fond
Model Checking Contest 2020
10th edition, Paris, France, June 23, 2020
Execution of r166-smll-158987787800527
Last Updated
Jun 28, 2020

About the Execution of ITS-LoLa for AutoFlight-PT-96b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
15742.160 3600000.00 106926.00 365.00 FFTFTFTTFTTFTFTF normal

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 ;