Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r534-smll-171683819300092.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=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 2-5568
Executing tool ltsminxred
Input is SimpleLoadBal-PT-02, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r534-smll-171683819300092
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 544K
-rw-r--r-- 1 mcc users 12K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 97K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.0K Apr 23 07:56 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Apr 23 07:56 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Apr 23 07:56 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 23 07:56 LTLFireability.xml
-rw-r--r-- 1 mcc users 19K Apr 13 12:03 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 158K Apr 13 12:03 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K Apr 13 12:03 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 49K Apr 13 12:03 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Apr 23 07:56 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Apr 23 07:56 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 3 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 38K May 18 16:43 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 QuasiLiveness

=== Now, execution of the tool begins

BK_START 1717249977108

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SimpleLoadBal-PT-02
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 13:52:59] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-06-01 13:52:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 13:52:59] [INFO ] Load time of PNML (sax parser for PT used): 101 ms
[2024-06-01 13:53:00] [INFO ] Transformed 32 places.
[2024-06-01 13:53:00] [INFO ] Transformed 45 transitions.
[2024-06-01 13:53:00] [INFO ] Found NUPN structural information;
[2024-06-01 13:53:00] [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]
[2024-06-01 13:53:00] [INFO ] Parsed PT model containing 32 places and 45 transitions and 252 arcs in 428 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 1 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 1 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 47 ms. Remains 24 /32 variables (removed 8) and now considering 39/45 (removed 6) transitions.
[2024-06-01 13:53:00] [INFO ] Flow matrix only has 29 transitions (discarded 10 similar events)
// Phase 1: matrix 29 rows 24 cols
[2024-06-01 13:53:00] [INFO ] Computed 11 invariants in 12 ms
[2024-06-01 13:53:00] [INFO ] Implicit Places using invariants in 357 ms returned [4, 5]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 429 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 5 ms. Remains 20 /22 variables (removed 2) and now considering 37/39 (removed 2) transitions.
[2024-06-01 13:53:00] [INFO ] Flow matrix only has 27 transitions (discarded 10 similar events)
// Phase 1: matrix 27 rows 20 cols
[2024-06-01 13:53:00] [INFO ] Computed 9 invariants in 3 ms
[2024-06-01 13:53:00] [INFO ] Implicit Places using invariants in 124 ms returned []
[2024-06-01 13:53:00] [INFO ] Flow matrix only has 27 transitions (discarded 10 similar events)
[2024-06-01 13:53:00] [INFO ] Invariant cache hit.
[2024-06-01 13:53:00] [INFO ] State equation strengthened by 10 read => feed constraints.
[2024-06-01 13:53:00] [INFO ] Implicit Places using invariants and state equation in 165 ms returned []
Implicit Place search using SMT with State Equation took 299 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 20/32 places, 37/45 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 812 ms. Remains : 20/32 places, 37/45 transitions.
Initial state reduction rules removed 2 formulas.
RANDOM walk for 40000 steps (8 resets) in 2007 ms. (19 steps per ms) remains 1/35 properties
BEST_FIRST walk for 40004 steps (8 resets) in 542 ms. (73 steps per ms) remains 1/1 properties
[2024-06-01 13:53:01] [INFO ] Flow matrix only has 27 transitions (discarded 10 similar events)
[2024-06-01 13:53:01] [INFO ] Invariant cache hit.
[2024-06-01 13:53:01] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 7/10 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 7/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-06-01 13:53:01] [INFO ] Deduced a trap composed of 7 places in 82 ms of which 12 ms to minimize.
Problem qltransition_20 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK SMT_REFINEMENT TOPOLOGICAL INITIAL_STATE
SMT process timed out in 181ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 3 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 37/37 transitions.
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 20 transition count 35
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 18 transition count 35
Applied a total of 4 rules in 17 ms. Remains 18 /20 variables (removed 2) and now considering 35/37 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 18/20 places, 35/37 transitions.
Total runtime 2397 ms.
ITS solved all properties within timeout

BK_STOP 1717249982315

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -timeout 180 -rebuildPNML

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="QuasiLiveness"
export BK_TOOL="ltsminxred"
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 2-5568"
echo " Executing tool ltsminxred"
echo " Input is SimpleLoadBal-PT-02, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r534-smll-171683819300092"
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 [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;