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Model Checking Contest 2021
11th edition, Paris, France, June 23, 2021
Execution of r113-smll-162075355600032
Last Updated
Jun 28, 2021

About the Execution of 2020-gold for FlexibleBarrier-PT-10b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
238.947 3600000.00 61998.00 476.20 TFTFTFTTTFTFFFTT normal

Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2021-input.r113-smll-162075355600032.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2021-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-4028
Executing tool gold2020
Input is FlexibleBarrier-PT-10b, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r113-smll-162075355600032
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 768K
-rw-r--r-- 1 mcc users 11K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 97K May 10 09:43 CTLCardinality.xml
-rw-r--r-- 1 mcc users 15K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 129K May 10 09:43 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 6 14:48 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.2K Mar 28 16:11 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Mar 28 16:11 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 28 16:11 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 28 16:11 LTLFireability.xml
-rw-r--r-- 1 mcc users 2.9K Mar 23 11:08 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 13K Mar 23 11:08 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Mar 22 19:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 22 19:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 22 09:15 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 22 09:15 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 5 16:51 equiv_col
-rw-r--r-- 1 mcc users 4 May 5 16:51 instance
-rw-r--r-- 1 mcc users 6 May 5 16:51 iscolored
-rw-r--r-- 1 mcc users 374K May 5 16:51 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-10b-ReachabilityFireability-00
FORMULA_NAME FlexibleBarrier-PT-10b-ReachabilityFireability-01
FORMULA_NAME FlexibleBarrier-PT-10b-ReachabilityFireability-02
FORMULA_NAME FlexibleBarrier-PT-10b-ReachabilityFireability-03
FORMULA_NAME FlexibleBarrier-PT-10b-ReachabilityFireability-04
FORMULA_NAME FlexibleBarrier-PT-10b-ReachabilityFireability-05
FORMULA_NAME FlexibleBarrier-PT-10b-ReachabilityFireability-06
FORMULA_NAME FlexibleBarrier-PT-10b-ReachabilityFireability-07
FORMULA_NAME FlexibleBarrier-PT-10b-ReachabilityFireability-08
FORMULA_NAME FlexibleBarrier-PT-10b-ReachabilityFireability-09
FORMULA_NAME FlexibleBarrier-PT-10b-ReachabilityFireability-10
FORMULA_NAME FlexibleBarrier-PT-10b-ReachabilityFireability-11
FORMULA_NAME FlexibleBarrier-PT-10b-ReachabilityFireability-12
FORMULA_NAME FlexibleBarrier-PT-10b-ReachabilityFireability-13
FORMULA_NAME FlexibleBarrier-PT-10b-ReachabilityFireability-14
FORMULA_NAME FlexibleBarrier-PT-10b-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1620909978645

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2021-05-13 12:46:22] [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]
[2021-05-13 12:46:22] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-13 12:46:22] [INFO ] Load time of PNML (sax parser for PT used): 217 ms
[2021-05-13 12:46:22] [INFO ] Transformed 1402 places.
[2021-05-13 12:46:22] [INFO ] Transformed 1613 transitions.
[2021-05-13 12:46:22] [INFO ] Found NUPN structural information;
[2021-05-13 12:46:22] [INFO ] Parsed PT model containing 1402 places and 1613 transitions in 295 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 65 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 134 resets, run finished after 117 ms. (steps per millisecond=85 ) properties seen :[0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0]
FORMULA FlexibleBarrier-PT-10b-ReachabilityFireability-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-10b-ReachabilityFireability-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-10b-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-10b-ReachabilityFireability-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-10b-ReachabilityFireability-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 18 ms. (steps per millisecond=555 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 28 ms. (steps per millisecond=357 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 17 ms. (steps per millisecond=588 ) properties seen :[0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0]
FORMULA FlexibleBarrier-PT-10b-ReachabilityFireability-01 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10000 steps, including 15 resets, run finished after 24 ms. (steps per millisecond=416 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 29 ms. (steps per millisecond=344 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 14 ms. (steps per millisecond=714 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 10 resets, run finished after 17 ms. (steps per millisecond=588 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 20 ms. (steps per millisecond=500 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 13 resets, run finished after 13 ms. (steps per millisecond=769 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 15 ms. (steps per millisecond=666 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 13 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 1]
FORMULA FlexibleBarrier-PT-10b-ReachabilityFireability-15 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
// Phase 1: matrix 1613 rows 1402 cols
[2021-05-13 12:46:22] [INFO ] Computed 12 place invariants in 68 ms
[2021-05-13 12:46:23] [INFO ] [Real]Absence check using 12 positive place invariants in 100 ms returned sat
[2021-05-13 12:46:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:46:27] [INFO ] [Real]Absence check using state equation in 4406 ms returned (error "Solver has unexpectedly terminated")
[2021-05-13 12:46:28] [INFO ] [Real]Absence check using 12 positive place invariants in 123 ms returned sat
[2021-05-13 12:46:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:46:32] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:46:32] [INFO ] [Real]Absence check using state equation in 4396 ms returned (error "Failed to check-sat")
[2021-05-13 12:46:33] [INFO ] [Real]Absence check using 12 positive place invariants in 122 ms returned sat
[2021-05-13 12:46:33] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:46:37] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:46:37] [INFO ] [Real]Absence check using state equation in 4601 ms returned unknown
[2021-05-13 12:46:38] [INFO ] [Real]Absence check using 12 positive place invariants in 72 ms returned sat
[2021-05-13 12:46:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:46:42] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:46:42] [INFO ] [Real]Absence check using state equation in 4699 ms returned (error "Failed to check-sat")
[2021-05-13 12:46:43] [INFO ] [Real]Absence check using 12 positive place invariants in 73 ms returned sat
[2021-05-13 12:46:43] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:46:47] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:46:47] [INFO ] [Real]Absence check using state equation in 4695 ms returned (error "Failed to check-sat")
[2021-05-13 12:46:48] [INFO ] [Real]Absence check using 12 positive place invariants in 121 ms returned sat
[2021-05-13 12:46:48] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:46:52] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:46:52] [INFO ] [Real]Absence check using state equation in 4586 ms returned (error "Failed to check-sat")
[2021-05-13 12:46:53] [INFO ] [Real]Absence check using 12 positive place invariants in 110 ms returned sat
[2021-05-13 12:46:53] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:46:58] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:46:58] [INFO ] [Real]Absence check using state equation in 4605 ms returned (error "Failed to check-sat")
[2021-05-13 12:46:58] [INFO ] [Real]Absence check using 12 positive place invariants in 67 ms returned unsat
[2021-05-13 12:46:58] [INFO ] [Real]Absence check using 12 positive place invariants in 87 ms returned sat
[2021-05-13 12:46:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:47:03] [INFO ] [Real]Absence check using state equation in 4691 ms returned (error "Failed to check-sat")
FORMULA FlexibleBarrier-PT-10b-ReachabilityFireability-13 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Support contains 49 out of 1402 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 1402/1402 places, 1613/1613 transitions.
Graph (trivial) has 1160 edges and 1402 vertex of which 18 / 1402 are part of one of the 3 SCC in 14 ms
Free SCC test removed 15 places
Drop transitions removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Performed 350 Post agglomeration using F-continuation condition.Transition count delta: 350
Iterating post reduction 0 with 368 rules applied. Total rules applied 369 place count 1387 transition count 1245
Reduce places removed 350 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 351 rules applied. Total rules applied 720 place count 1037 transition count 1244
Performed 80 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 80 Pre rules applied. Total rules applied 720 place count 1037 transition count 1164
Deduced a syphon composed of 80 places in 5 ms
Reduce places removed 80 places and 0 transitions.
Iterating global reduction 2 with 160 rules applied. Total rules applied 880 place count 957 transition count 1164
Symmetric choice reduction at 2 with 478 rule applications. Total rules 1358 place count 957 transition count 1164
Deduced a syphon composed of 478 places in 5 ms
Reduce places removed 478 places and 478 transitions.
Iterating global reduction 2 with 956 rules applied. Total rules applied 2314 place count 479 transition count 686
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 2314 place count 479 transition count 682
Deduced a syphon composed of 4 places in 2 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 2322 place count 475 transition count 682
Symmetric choice reduction at 2 with 67 rule applications. Total rules 2389 place count 475 transition count 682
Deduced a syphon composed of 67 places in 2 ms
Reduce places removed 67 places and 67 transitions.
Iterating global reduction 2 with 134 rules applied. Total rules applied 2523 place count 408 transition count 615
Ensure Unique test removed 59 transitions
Reduce isomorphic transitions removed 59 transitions.
Iterating post reduction 2 with 59 rules applied. Total rules applied 2582 place count 408 transition count 556
Performed 73 Post agglomeration using F-continuation condition.Transition count delta: 73
Deduced a syphon composed of 73 places in 0 ms
Reduce places removed 73 places and 0 transitions.
Iterating global reduction 3 with 146 rules applied. Total rules applied 2728 place count 335 transition count 483
Drop transitions removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 3 with 11 rules applied. Total rules applied 2739 place count 335 transition count 472
Symmetric choice reduction at 4 with 9 rule applications. Total rules 2748 place count 335 transition count 472
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 9 transitions.
Iterating global reduction 4 with 18 rules applied. Total rules applied 2766 place count 326 transition count 463
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: -25
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 4 with 18 rules applied. Total rules applied 2784 place count 317 transition count 488
Free-agglomeration rule applied 124 times.
Iterating global reduction 4 with 124 rules applied. Total rules applied 2908 place count 317 transition count 364
Reduce places removed 124 places and 0 transitions.
Drop transitions removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 130 rules applied. Total rules applied 3038 place count 193 transition count 358
Partial Free-agglomeration rule applied 4 times.
Drop transitions removed 4 transitions
Iterating global reduction 5 with 4 rules applied. Total rules applied 3042 place count 193 transition count 358
Partial Post-agglomeration rule applied 2 times.
Drop transitions removed 2 transitions
Iterating global reduction 5 with 2 rules applied. Total rules applied 3044 place count 193 transition count 358
Drop transitions removed 30 transitions
Redundant transition composition rules discarded 30 transitions
Iterating global reduction 5 with 30 rules applied. Total rules applied 3074 place count 193 transition count 328
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 3075 place count 192 transition count 327
Applied a total of 3075 rules in 727 ms. Remains 192 /1402 variables (removed 1210) and now considering 327/1613 (removed 1286) transitions.
Finished structural reductions, in 1 iterations. Remains : 192/1402 places, 327/1613 transitions.
Finished random walk after 212682 steps, including 5121 resets, run visited all 8 properties in 519 ms. (steps per millisecond=409 )
FORMULA FlexibleBarrier-PT-10b-ReachabilityFireability-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-10b-ReachabilityFireability-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-10b-ReachabilityFireability-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-10b-ReachabilityFireability-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-10b-ReachabilityFireability-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-10b-ReachabilityFireability-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-10b-ReachabilityFireability-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-10b-ReachabilityFireability-00 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-10b"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="gold2020"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# 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 gold2020"
echo " Input is FlexibleBarrier-PT-10b, 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 r113-smll-162075355600032"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-10b.tgz
mv FlexibleBarrier-PT-10b 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 ;