Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2022-input.r247-smll-165303243800004.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2022-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 r247-smll-165303243800004
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 260K
-rw-r--r-- 1 mcc users 8.7K Apr 29 14:16 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K Apr 29 14:16 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Apr 29 14:16 CTLFireability.txt
-rw-r--r-- 1 mcc users 38K Apr 29 14:16 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:34 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.7K May 9 09:02 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 9 09:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K May 9 09:02 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 9 09:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 1.9K May 9 09:02 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 9 09:02 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 10 09:34 equiv_col
-rw-r--r-- 1 mcc users 3 May 10 09:34 instance
-rw-r--r-- 1 mcc users 6 May 10 09:34 iscolored
-rw-r--r-- 1 mcc users 38K May 10 09:34 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 1653064643117

Running Version 202205111006
[2022-05-20 16:37:25] [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]
[2022-05-20 16:37:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-05-20 16:37:25] [INFO ] Load time of PNML (sax parser for PT used): 134 ms
[2022-05-20 16:37:25] [INFO ] Transformed 32 places.
[2022-05-20 16:37:25] [INFO ] Transformed 45 transitions.
[2022-05-20 16:37:25] [INFO ] Found NUPN structural information;
[2022-05-20 16:37:25] [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]
[2022-05-20 16:37:25] [INFO ] Parsed PT model containing 32 places and 45 transitions in 380 ms.
Built sparse matrix representations for Structural reductions in 10 ms.9598KB memory used
Starting structural reductions in DEADLOCKS mode, iteration 0 : 32/32 places, 45/45 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 26 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 in DEADLOCKS mode, iteration 0 : 32/32 places, 45/45 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 8 ms. Remains 32 /32 variables (removed 0) and now considering 45/45 (removed 0) transitions.
[2022-05-20 16:37:26] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 32 cols
[2022-05-20 16:37:26] [INFO ] Computed 13 place invariants in 11 ms
[2022-05-20 16:37:26] [INFO ] Implicit Places using invariants in 272 ms returned []
[2022-05-20 16:37:26] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 32 cols
[2022-05-20 16:37:26] [INFO ] Computed 13 place invariants in 13 ms
[2022-05-20 16:37:26] [INFO ] State equation strengthened by 10 read => feed constraints.
[2022-05-20 16:37:26] [INFO ] Implicit Places using invariants and state equation in 164 ms returned []
Implicit Place search using SMT with State Equation took 509 ms to find 0 implicit places.
[2022-05-20 16:37:26] [INFO ] Redundant transitions in 1 ms returned []
[2022-05-20 16:37:26] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 32 cols
[2022-05-20 16:37:26] [INFO ] Computed 13 place invariants in 2 ms
[2022-05-20 16:37:26] [INFO ] Dead Transitions using invariants and state equation in 106 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 32/32 places, 45/45 transitions.
Random walk for 1250000 steps, including 0 resets, run took 1965 ms (no deadlock found). (steps per millisecond=636 )
Random directed walk for 1250000 steps, including 0 resets, run took 1470 ms (no deadlock found). (steps per millisecond=850 )
[2022-05-20 16:37:30] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 32 cols
[2022-05-20 16:37:30] [INFO ] Computed 13 place invariants in 5 ms
[2022-05-20 16:37:30] [INFO ] [Real]Absence check using 9 positive place invariants in 5 ms returned sat
[2022-05-20 16:37:30] [INFO ] [Real]Absence check using 9 positive and 4 generalized place invariants in 6 ms returned sat
[2022-05-20 16:37:30] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 16:37:30] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2022-05-20 16:37:30] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 16:37:30] [INFO ] [Nat]Absence check using 9 positive place invariants in 7 ms returned sat
[2022-05-20 16:37:30] [INFO ] [Nat]Absence check using 9 positive and 4 generalized place invariants in 3 ms returned sat
[2022-05-20 16:37:30] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 16:37:30] [INFO ] [Nat]Absence check using state equation in 53 ms returned sat
[2022-05-20 16:37:30] [INFO ] State equation strengthened by 10 read => feed constraints.
[2022-05-20 16:37:30] [INFO ] [Nat]Added 10 Read/Feed constraints in 7 ms returned sat
[2022-05-20 16:37:30] [INFO ] Deduced a trap composed of 8 places in 90 ms of which 12 ms to minimize.
[2022-05-20 16:37:30] [INFO ] Deduced a trap composed of 8 places in 48 ms of which 2 ms to minimize.
[2022-05-20 16:37:30] [INFO ] Deduced a trap composed of 8 places in 65 ms of which 3 ms to minimize.
[2022-05-20 16:37:30] [INFO ] Deduced a trap composed of 8 places in 77 ms of which 3 ms to minimize.
[2022-05-20 16:37:30] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 4 trap constraints in 375 ms
Starting structural reductions in LIVENESS mode, 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 18 ms. Remains 24 /32 variables (removed 8) and now considering 39/45 (removed 6) transitions.
[2022-05-20 16:37:30] [INFO ] Flow matrix only has 29 transitions (discarded 10 similar events)
// Phase 1: matrix 29 rows 24 cols
[2022-05-20 16:37:30] [INFO ] Computed 11 place invariants in 2 ms
[2022-05-20 16:37:30] [INFO ] Implicit Places using invariants in 84 ms returned [4, 5]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 86 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, 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 4 ms. Remains 20 /22 variables (removed 2) and now considering 37/39 (removed 2) transitions.
[2022-05-20 16:37:30] [INFO ] Flow matrix only has 27 transitions (discarded 10 similar events)
// Phase 1: matrix 27 rows 20 cols
[2022-05-20 16:37:30] [INFO ] Computed 9 place invariants in 3 ms
[2022-05-20 16:37:31] [INFO ] Implicit Places using invariants in 75 ms returned []
[2022-05-20 16:37:31] [INFO ] Flow matrix only has 27 transitions (discarded 10 similar events)
// Phase 1: matrix 27 rows 20 cols
[2022-05-20 16:37:31] [INFO ] Computed 9 place invariants in 1 ms
[2022-05-20 16:37:31] [INFO ] State equation strengthened by 10 read => feed constraints.
[2022-05-20 16:37:31] [INFO ] Implicit Places using invariants and state equation in 116 ms returned []
Implicit Place search using SMT with State Equation took 194 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 20/32 places, 37/45 transitions.
Finished structural reductions, in 2 iterations. Remains : 20/32 places, 37/45 transitions.
Initial state reduction rules removed 2 formulas.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 650 ms. (steps per millisecond=15 ) properties (out of 35) seen :34
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2022-05-20 16:37:31] [INFO ] Flow matrix only has 27 transitions (discarded 10 similar events)
// Phase 1: matrix 27 rows 20 cols
[2022-05-20 16:37:31] [INFO ] Computed 9 place invariants in 3 ms
[2022-05-20 16:37:31] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2022-05-20 16:37:31] [INFO ] [Real]Absence check using 5 positive and 4 generalized place invariants in 1 ms returned sat
[2022-05-20 16:37:31] [INFO ] After 54ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0
FORMULA Liveness FALSE TECHNIQUES QUASILIVENESS_TEST
Total runtime 6468 ms.

BK_STOP 1653064652094

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

+ export LANG=C
+ LANG=C
+ 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
+ export PYTHONPATH=/usr/lib/python3.9/site-packages/
+ PYTHONPATH=/usr/lib/python3.9/site-packages/
+ export LD_LIBRARY_PATH=/usr/local/lib:
+ LD_LIBRARY_PATH=/usr/local/lib:
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202205111006.jar
+ VERSION=202205111006
+ echo 'Running Version 202205111006'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data @none -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=@none -Xss128m -Xms40m -Xmx8192m

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 r247-smll-165303243800004"
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 ;