fond
Model Checking Contest 2020
10th edition, Paris, France, June 23, 2020
Execution of r166-smll-158987787700430
Last Updated
Jun 28, 2020

About the Execution of ITS-LoLa for AutoFlight-PT-04b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
15742.360 3600000.00 37695.00 207.40 TFFTTTTTTFFTTFTT 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-158987787700430.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)
.....................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itslola
Input is AutoFlight-PT-04b, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r166-smll-158987787700430
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 260K
-rw-r--r-- 1 mcc users 3.8K Mar 25 23:15 CTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Mar 25 23:15 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 25 18:26 CTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 25 18:26 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 3.4K Apr 8 14:41 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Apr 28 14:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.8K Apr 8 14:41 LTLFireability.txt
-rw-r--r-- 1 mcc users 14K Apr 28 14:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.1K Mar 25 14:59 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 16K Mar 25 14:59 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 25 10:42 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 11K Mar 25 10:42 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 91K 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-04b-ReachabilityCardinality-00
FORMULA_NAME AutoFlight-PT-04b-ReachabilityCardinality-01
FORMULA_NAME AutoFlight-PT-04b-ReachabilityCardinality-02
FORMULA_NAME AutoFlight-PT-04b-ReachabilityCardinality-03
FORMULA_NAME AutoFlight-PT-04b-ReachabilityCardinality-04
FORMULA_NAME AutoFlight-PT-04b-ReachabilityCardinality-05
FORMULA_NAME AutoFlight-PT-04b-ReachabilityCardinality-06
FORMULA_NAME AutoFlight-PT-04b-ReachabilityCardinality-07
FORMULA_NAME AutoFlight-PT-04b-ReachabilityCardinality-08
FORMULA_NAME AutoFlight-PT-04b-ReachabilityCardinality-09
FORMULA_NAME AutoFlight-PT-04b-ReachabilityCardinality-10
FORMULA_NAME AutoFlight-PT-04b-ReachabilityCardinality-11
FORMULA_NAME AutoFlight-PT-04b-ReachabilityCardinality-12
FORMULA_NAME AutoFlight-PT-04b-ReachabilityCardinality-13
FORMULA_NAME AutoFlight-PT-04b-ReachabilityCardinality-14
FORMULA_NAME AutoFlight-PT-04b-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1591471830014

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-06 19:30:33] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -timeout, 3600, -rebuildPNML]
[2020-06-06 19:30:33] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-06 19:30:33] [INFO ] Load time of PNML (sax parser for PT used): 148 ms
[2020-06-06 19:30:33] [INFO ] Transformed 390 places.
[2020-06-06 19:30:33] [INFO ] Transformed 388 transitions.
[2020-06-06 19:30:33] [INFO ] Found NUPN structural information;
[2020-06-06 19:30:33] [INFO ] Parsed PT model containing 390 places and 388 transitions in 226 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 55 ms.
Working with output stream class java.io.PrintStream
FORMULA AutoFlight-PT-04b-ReachabilityCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-04b-ReachabilityCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-04b-ReachabilityCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-04b-ReachabilityCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-04b-ReachabilityCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-04b-ReachabilityCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 49 resets, run finished after 116 ms. (steps per millisecond=86 ) properties seen :[1, 1, 1, 1, 0, 1, 0, 1, 1, 1]
FORMULA AutoFlight-PT-04b-ReachabilityCardinality-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-04b-ReachabilityCardinality-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-04b-ReachabilityCardinality-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-04b-ReachabilityCardinality-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-04b-ReachabilityCardinality-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-04b-ReachabilityCardinality-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-04b-ReachabilityCardinality-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-04b-ReachabilityCardinality-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 6 resets, run finished after 51 ms. (steps per millisecond=196 ) properties seen :[0, 0]
Incomplete Best-First random walk after 10000 steps, including 4 resets, run finished after 25 ms. (steps per millisecond=400 ) properties seen :[0, 0]
// Phase 1: matrix 388 rows 390 cols
[2020-06-06 19:30:33] [INFO ] Computed 28 place invariants in 22 ms
[2020-06-06 19:30:33] [INFO ] [Real]Absence check using 27 positive place invariants in 52 ms returned sat
[2020-06-06 19:30:33] [INFO ] [Real]Absence check using 27 positive and 1 generalized place invariants in 5 ms returned sat
[2020-06-06 19:30:33] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-06 19:30:34] [INFO ] [Real]Absence check using state equation in 799 ms returned sat
[2020-06-06 19:30:34] [INFO ] Solution in real domain found non-integer solution.
[2020-06-06 19:30:35] [INFO ] [Nat]Absence check using 27 positive place invariants in 634 ms returned sat
[2020-06-06 19:30:35] [INFO ] [Nat]Absence check using 27 positive and 1 generalized place invariants in 5 ms returned sat
[2020-06-06 19:30:35] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-06 19:30:36] [INFO ] [Nat]Absence check using state equation in 853 ms returned sat
[2020-06-06 19:30:36] [INFO ] Deduced a trap composed of 43 places in 370 ms
[2020-06-06 19:30:37] [INFO ] Deduced a trap composed of 53 places in 273 ms
[2020-06-06 19:30:37] [INFO ] Deduced a trap composed of 24 places in 247 ms
[2020-06-06 19:30:37] [INFO ] Deduced a trap composed of 51 places in 227 ms
[2020-06-06 19:30:38] [INFO ] Deduced a trap composed of 45 places in 286 ms
[2020-06-06 19:30:38] [INFO ] Deduced a trap composed of 52 places in 277 ms
[2020-06-06 19:30:38] [INFO ] Deduced a trap composed of 44 places in 248 ms
[2020-06-06 19:30:38] [INFO ] Deduced a trap composed of 54 places in 244 ms
[2020-06-06 19:30:39] [INFO ] Deduced a trap composed of 55 places in 273 ms
[2020-06-06 19:30:39] [INFO ] Deduced a trap composed of 37 places in 266 ms
[2020-06-06 19:30:39] [INFO ] Deduced a trap composed of 33 places in 264 ms
[2020-06-06 19:30:39] [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 (> (+ s0 s1 s2 s112 s113 s114 s115 s116 s119 s120 s246 s247 s248 s249 s250 s251 s292 s311 s312 s313 s314 s315 s316 s317 s353 s354 s355 s356 s357 s358 s359 s360 s361) 0)") while checking expression at index 0
[2020-06-06 19:30:40] [INFO ] [Real]Absence check using 27 positive place invariants in 45 ms returned sat
[2020-06-06 19:30:40] [INFO ] [Real]Absence check using 27 positive and 1 generalized place invariants in 3 ms returned sat
[2020-06-06 19:30:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-06 19:30:40] [INFO ] [Real]Absence check using state equation in 723 ms returned sat
[2020-06-06 19:30:40] [INFO ] Solution in real domain found non-integer solution.
[2020-06-06 19:30:41] [INFO ] [Nat]Absence check using 27 positive place invariants in 607 ms returned sat
[2020-06-06 19:30:41] [INFO ] [Nat]Absence check using 27 positive and 1 generalized place invariants in 3 ms returned sat
[2020-06-06 19:30:41] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-06 19:30:42] [INFO ] [Nat]Absence check using state equation in 699 ms returned sat
[2020-06-06 19:30:42] [INFO ] Deduced a trap composed of 35 places in 253 ms
[2020-06-06 19:30:42] [INFO ] Deduced a trap composed of 52 places in 194 ms
[2020-06-06 19:30:43] [INFO ] Deduced a trap composed of 30 places in 245 ms
[2020-06-06 19:30:43] [INFO ] Deduced a trap composed of 36 places in 238 ms
[2020-06-06 19:30:43] [INFO ] Deduced a trap composed of 37 places in 220 ms
[2020-06-06 19:30:43] [INFO ] Deduced a trap composed of 78 places in 254 ms
[2020-06-06 19:30:44] [INFO ] Deduced a trap composed of 38 places in 234 ms
[2020-06-06 19:30:44] [INFO ] Deduced a trap composed of 29 places in 265 ms
[2020-06-06 19:30:44] [INFO ] Deduced a trap composed of 63 places in 214 ms
[2020-06-06 19:30:44] [INFO ] Trap strengthening (SAT) tested/added 10/9 trap constraints in 2390 ms
[2020-06-06 19:30:44] [INFO ] Computed and/alt/rep : 387/521/387 causal constraints in 45 ms.
[2020-06-06 19:30:45] [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 (=> (> t167 0) (or (and (> t166 0) (< o166 o167)) (and (> t176 0) (< o176 o167))))") while checking expression at index 1
Support contains 10 out of 390 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 390/390 places, 388/388 transitions.
Performed 143 Post agglomeration using F-continuation condition.Transition count delta: 143
Iterating post reduction 0 with 143 rules applied. Total rules applied 143 place count 390 transition count 245
Reduce places removed 143 places and 0 transitions.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Iterating post reduction 1 with 171 rules applied. Total rules applied 314 place count 247 transition count 217
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 322 place count 239 transition count 217
Performed 52 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 52 Pre rules applied. Total rules applied 322 place count 239 transition count 165
Deduced a syphon composed of 52 places in 3 ms
Reduce places removed 52 places and 0 transitions.
Iterating global reduction 3 with 104 rules applied. Total rules applied 426 place count 187 transition count 165
Symmetric choice reduction at 3 with 39 rule applications. Total rules 465 place count 187 transition count 165
Deduced a syphon composed of 39 places in 2 ms
Reduce places removed 39 places and 39 transitions.
Iterating global reduction 3 with 78 rules applied. Total rules applied 543 place count 148 transition count 126
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 12 Pre rules applied. Total rules applied 543 place count 148 transition count 114
Deduced a syphon composed of 12 places in 1 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 3 with 24 rules applied. Total rules applied 567 place count 136 transition count 114
Performed 30 Post agglomeration using F-continuation condition.Transition count delta: 30
Deduced a syphon composed of 30 places in 0 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 3 with 60 rules applied. Total rules applied 627 place count 106 transition count 84
Free-agglomeration rule applied 15 times.
Iterating global reduction 3 with 15 rules applied. Total rules applied 642 place count 106 transition count 69
Reduce places removed 15 places and 0 transitions.
Iterating post reduction 3 with 15 rules applied. Total rules applied 657 place count 91 transition count 69
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 658 place count 90 transition count 68
Applied a total of 658 rules in 170 ms. Remains 90 /390 variables (removed 300) and now considering 68/388 (removed 320) transitions.
Finished structural reductions, in 1 iterations. Remains : 90/390 places, 68/388 transitions.
Incomplete random walk after 1000000 steps, including 25011 resets, run finished after 2319 ms. (steps per millisecond=431 ) properties seen :[0, 1]
FORMULA AutoFlight-PT-04b-ReachabilityCardinality-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 1000001 steps, including 3489 resets, run finished after 1606 ms. (steps per millisecond=622 ) properties seen :[0]
// Phase 1: matrix 68 rows 90 cols
[2020-06-06 19:30:49] [INFO ] Computed 28 place invariants in 1 ms
[2020-06-06 19:30:50] [INFO ] [Real]Absence check using 26 positive place invariants in 19 ms returned sat
[2020-06-06 19:30:50] [INFO ] [Real]Absence check using 26 positive and 2 generalized place invariants in 3 ms returned sat
[2020-06-06 19:30:50] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-06 19:30:50] [INFO ] [Real]Absence check using state equation in 88 ms returned sat
[2020-06-06 19:30:50] [INFO ] Solution in real domain found non-integer solution.
[2020-06-06 19:30:50] [INFO ] [Nat]Absence check using 26 positive place invariants in 21 ms returned sat
[2020-06-06 19:30:50] [INFO ] [Nat]Absence check using 26 positive and 2 generalized place invariants in 4 ms returned sat
[2020-06-06 19:30:50] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-06 19:30:50] [INFO ] [Nat]Absence check using state equation in 82 ms returned sat
[2020-06-06 19:30:50] [INFO ] State equation strengthened by 36 read => feed constraints.
[2020-06-06 19:30:50] [INFO ] [Nat]Added 36 Read/Feed constraints in 7 ms returned sat
[2020-06-06 19:30:50] [INFO ] Deduced a trap composed of 13 places in 48 ms
[2020-06-06 19:30:50] [INFO ] Deduced a trap composed of 36 places in 82 ms
[2020-06-06 19:30:50] [INFO ] Deduced a trap composed of 7 places in 27 ms
[2020-06-06 19:30:50] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 3 trap constraints in 183 ms
FORMULA AutoFlight-PT-04b-ReachabilityCardinality-09 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
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-04b"
export BK_EXAMINATION="ReachabilityCardinality"
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-04b, examination is ReachabilityCardinality"
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-158987787700430"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-04b.tgz
mv AutoFlight-PT-04b execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;