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.r242-smll-162106584800224.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)
.........................................................................................................................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is SimpleLoadBal-PT-02, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r242-smll-162106584800224
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 508K
-rw-r--r-- 1 mcc users 30K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 163K May 10 09:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 24K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 111K May 10 09:44 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.5K Apr 26 07:43 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 26 07:43 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Apr 26 07:43 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 26 07:43 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.6K Mar 27 13:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 20K Mar 27 13:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.2K Mar 25 19:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 14K Mar 25 19:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 22 08:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 22 08:16 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 5 16:52 equiv_col
-rw-r--r-- 1 mcc users 3 May 5 16:52 instance
-rw-r--r-- 1 mcc users 6 May 5 16:52 iscolored
-rw-r--r-- 1 mcc users 38K May 5 16:52 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME Liveness

=== Now, execution of the tool begins

BK_START 1621237725710

Running Version 0
[2021-05-17 07:48:48] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2021-05-17 07:48:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-17 07:48:49] [INFO ] Load time of PNML (sax parser for PT used): 54 ms
[2021-05-17 07:48:49] [INFO ] Transformed 32 places.
[2021-05-17 07:48:49] [INFO ] Transformed 45 transitions.
[2021-05-17 07:48:49] [INFO ] Found NUPN structural information;
[2021-05-17 07:48:49] [INFO ] Completing missing partition info from NUPN : creating a component with [P_client_idle_1, P_client_idle_2, P_client_waiting_1, P_client_waiting_2, P_client_request_1, P_client_request_2, P_client_ack_1, P_client_ack_2, P_server_idle_1, P_server_idle_2, P_server_waiting_1, P_server_waiting_2, P_server_processed_1, P_server_processed_2, P_server_notification_1, P_server_notification_2, P_server_notification_ack_1, P_server_notification_ack_2, P_server_request_1_1, P_server_request_1_2, P_server_request_2_1, P_server_request_2_2, P_lb_idle_1, P_lb_routing_1_1, P_lb_routing_1_2, P_lb_balancing_1, P_lb_load_1_0, P_lb_load_1_1, P_lb_load_1_2, P_lb_load_2_0, P_lb_load_2_1, P_lb_load_2_2]
[2021-05-17 07:48:49] [INFO ] Parsed PT model containing 32 places and 45 transitions in 119 ms.
Built sparse matrix representations for Structural reductions in 7 ms.15784KB memory used
Starting structural reductions, iteration 0 : 32/32 places, 45/45 transitions.
Applied a total of 0 rules in 21 ms. Remains 32 /32 variables (removed 0) and now considering 45/45 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 32/32 places, 45/45 transitions.
Starting structural reductions, iteration 0 : 32/32 places, 45/45 transitions.
Applied a total of 0 rules in 5 ms. Remains 32 /32 variables (removed 0) and now considering 45/45 (removed 0) transitions.
[2021-05-17 07:48:49] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 32 cols
[2021-05-17 07:48:49] [INFO ] Computed 13 place invariants in 12 ms
[2021-05-17 07:48:49] [INFO ] Implicit Places using invariants in 161 ms returned []
[2021-05-17 07:48:49] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 32 cols
[2021-05-17 07:48:49] [INFO ] Computed 13 place invariants in 2 ms
[2021-05-17 07:48:49] [INFO ] State equation strengthened by 13 read => feed constraints.
[2021-05-17 07:48:49] [INFO ] Implicit Places using invariants and state equation in 81 ms returned []
Implicit Place search using SMT with State Equation took 282 ms to find 0 implicit places.
[2021-05-17 07:48:49] [INFO ] Redundant transitions in 0 ms returned []
[2021-05-17 07:48:49] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 32 cols
[2021-05-17 07:48:49] [INFO ] Computed 13 place invariants in 2 ms
[2021-05-17 07:48:49] [INFO ] Dead Transitions using invariants and state equation in 97 ms returned []
Finished structural reductions, in 1 iterations. Remains : 32/32 places, 45/45 transitions.
Random walk for 1250000 steps, including 0 resets, run took 1624 ms (no deadlock found). (steps per millisecond=769 )
Random directed walk for 1250004 steps, including 0 resets, run took 1218 ms (no deadlock found). (steps per millisecond=1026 )
[2021-05-17 07:48:52] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 32 cols
[2021-05-17 07:48:52] [INFO ] Computed 13 place invariants in 2 ms
[2021-05-17 07:48:52] [INFO ] [Real]Absence check using 9 positive place invariants in 5 ms returned sat
[2021-05-17 07:48:52] [INFO ] [Real]Absence check using 9 positive and 4 generalized place invariants in 7 ms returned sat
[2021-05-17 07:48:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-17 07:48:52] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2021-05-17 07:48:52] [INFO ] Solution in real domain found non-integer solution.
[2021-05-17 07:48:52] [INFO ] [Nat]Absence check using 9 positive place invariants in 4 ms returned sat
[2021-05-17 07:48:52] [INFO ] [Nat]Absence check using 9 positive and 4 generalized place invariants in 3 ms returned sat
[2021-05-17 07:48:52] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-17 07:48:52] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2021-05-17 07:48:52] [INFO ] State equation strengthened by 13 read => feed constraints.
[2021-05-17 07:48:52] [INFO ] [Nat]Added 13 Read/Feed constraints in 4 ms returned sat
[2021-05-17 07:48:52] [INFO ] Deduced a trap composed of 8 places in 59 ms of which 4 ms to minimize.
[2021-05-17 07:48:52] [INFO ] Deduced a trap composed of 8 places in 32 ms of which 1 ms to minimize.
[2021-05-17 07:48:52] [INFO ] Deduced a trap composed of 8 places in 28 ms of which 1 ms to minimize.
[2021-05-17 07:48:52] [INFO ] Deduced a trap composed of 8 places in 18 ms of which 3 ms to minimize.
[2021-05-17 07:48:52] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 4 trap constraints in 188 ms
Starting structural reductions, iteration 0 : 32/32 places, 45/45 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 30 transition count 43
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 10 place count 26 transition count 41
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 14 place count 24 transition count 39
Applied a total of 14 rules in 24 ms. Remains 24 /32 variables (removed 8) and now considering 39/45 (removed 6) transitions.
[2021-05-17 07:48:52] [INFO ] Flow matrix only has 29 transitions (discarded 10 similar events)
// Phase 1: matrix 29 rows 24 cols
[2021-05-17 07:48:52] [INFO ] Computed 11 place invariants in 2 ms
[2021-05-17 07:48:52] [INFO ] Implicit Places using invariants in 65 ms returned [4, 5]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 69 ms to find 2 implicit places.
[2021-05-17 07:48:52] [INFO ] Flow matrix only has 29 transitions (discarded 10 similar events)
// Phase 1: matrix 29 rows 22 cols
[2021-05-17 07:48:52] [INFO ] Computed 9 place invariants in 2 ms
[2021-05-17 07:48:53] [INFO ] Dead Transitions using invariants and state equation in 67 ms returned []
Starting structural reductions, iteration 1 : 22/32 places, 39/45 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 20 transition count 37
Applied a total of 4 rules in 5 ms. Remains 20 /22 variables (removed 2) and now considering 37/39 (removed 2) transitions.
[2021-05-17 07:48:53] [INFO ] Flow matrix only has 27 transitions (discarded 10 similar events)
// Phase 1: matrix 27 rows 20 cols
[2021-05-17 07:48:53] [INFO ] Computed 9 place invariants in 3 ms
[2021-05-17 07:48:53] [INFO ] Implicit Places using invariants in 63 ms returned []
[2021-05-17 07:48:53] [INFO ] Flow matrix only has 27 transitions (discarded 10 similar events)
// Phase 1: matrix 27 rows 20 cols
[2021-05-17 07:48:53] [INFO ] Computed 9 place invariants in 1 ms
[2021-05-17 07:48:53] [INFO ] State equation strengthened by 13 read => feed constraints.
[2021-05-17 07:48:53] [INFO ] Implicit Places using invariants and state equation in 72 ms returned []
Implicit Place search using SMT with State Equation took 137 ms to find 0 implicit places.
Finished structural reductions, in 2 iterations. Remains : 20/32 places, 37/45 transitions.
[2021-05-17 07:48:53] [INFO ] Initial state test concluded for 2 properties.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 35) seen :34
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2021-05-17 07:48:53] [INFO ] Flow matrix only has 27 transitions (discarded 10 similar events)
// Phase 1: matrix 27 rows 20 cols
[2021-05-17 07:48:53] [INFO ] Computed 9 place invariants in 3 ms
[2021-05-17 07:48:53] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2021-05-17 07:48:53] [INFO ] [Real]Absence check using 5 positive and 4 generalized place invariants in 2 ms returned sat
[2021-05-17 07:48:53] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-17 07:48:53] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2021-05-17 07:48:53] [INFO ] State equation strengthened by 13 read => feed constraints.
[2021-05-17 07:48:53] [INFO ] [Real]Added 13 Read/Feed constraints in 6 ms returned sat
[2021-05-17 07:48:53] [INFO ] Solution in real domain found non-integer solution.
[2021-05-17 07:48:53] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2021-05-17 07:48:53] [INFO ] [Nat]Absence check using 5 positive and 4 generalized place invariants in 2 ms returned sat
[2021-05-17 07:48:53] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-17 07:48:53] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2021-05-17 07:48:53] [INFO ] [Nat]Added 13 Read/Feed constraints in 3 ms returned sat
[2021-05-17 07:48:53] [INFO ] Deduced a trap composed of 7 places in 21 ms of which 1 ms to minimize.
[2021-05-17 07:48:53] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 30 ms
FORMULA Liveness FALSE TECHNIQUES QUASILIVENESS_TEST

BK_STOP 1621237734509

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ Liveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution Liveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ cut -d . -f 9
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202104292328.jar
+ VERSION=0
+ echo 'Running Version 0'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination Liveness -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m

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="SimpleLoadBal-PT-02"
export BK_EXAMINATION="Liveness"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 itstools"
echo " Input is SimpleLoadBal-PT-02, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r242-smll-162106584800224"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SimpleLoadBal-PT-02.tgz
mv SimpleLoadBal-PT-02 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property Liveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "Liveness.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 '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;