Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2023-input.r439-tajo-167905986300327.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2023-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
...................
=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is SimpleLoadBal-PT-15, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r439-tajo-167905986300327
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.6M
-rw-r--r-- 1 mcc users 11K Feb 26 03:49 CTLCardinality.txt
-rw-r--r-- 1 mcc users 94K Feb 26 03:49 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.2K Feb 26 03:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Feb 26 03:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.5K Feb 25 17:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 17:07 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Feb 25 17:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 14K Feb 25 17:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.4K Feb 26 03:50 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 69K Feb 26 03:50 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 26 03:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 61K Feb 26 03:50 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Feb 25 17:07 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 17:07 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 1.2M Mar 5 18:23 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 1679553118290

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
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-15
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-23 06:31:59] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-23 06:31:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-23 06:32:00] [INFO ] Load time of PNML (sax parser for PT used): 130 ms
[2023-03-23 06:32:00] [INFO ] Transformed 149 places.
[2023-03-23 06:32:00] [INFO ] Transformed 1280 transitions.
[2023-03-23 06:32:00] [INFO ] Found NUPN structural information;
[2023-03-23 06:32:00] [INFO ] Completing missing partition info from NUPN : creating a component with [P_client_idle_1, P_client_idle_2, P_client_idle_3, P_client_idle_4, P_client_idle_5, P_client_idle_6, P_client_idle_7, P_client_idle_8, P_client_idle_9, P_client_idle_10, P_client_idle_11, P_client_idle_12, P_client_idle_13, P_client_idle_14, P_client_idle_15, P_client_waiting_1, P_client_waiting_2, P_client_waiting_3, P_client_waiting_4, P_client_waiting_5, P_client_waiting_6, P_client_waiting_7, P_client_waiting_8, P_client_waiting_9, P_client_waiting_10, P_client_waiting_11, P_client_waiting_12, P_client_waiting_13, P_client_waiting_14, P_client_waiting_15, P_client_request_1, P_client_request_2, P_client_request_3, P_client_request_4, P_client_request_5, P_client_request_6, P_client_request_7, P_client_request_8, P_client_request_9, P_client_request_10, P_client_request_11, P_client_request_12, P_client_request_13, P_client_request_14, P_client_request_15, P_client_ack_1, P_client_ack_2, P_client_ack_3, P_client_ack_4, P_client_ack_5, P_client_ack_6, P_client_ack_7, P_client_ack_8, P_client_ack_9, P_client_ack_10, P_client_ack_11, P_client_ack_12, P_client_ack_13, P_client_ack_14, P_client_ack_15, 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_server_request_3_1, P_server_request_3_2, P_server_request_4_1, P_server_request_4_2, P_server_request_5_1, P_server_request_5_2, P_server_request_6_1, P_server_request_6_2, P_server_request_7_1, P_server_request_7_2, P_server_request_8_1, P_server_request_8_2, P_server_request_9_1, P_server_request_9_2, P_server_request_10_1, P_server_request_10_2, P_server_request_11_1, P_server_request_11_2, P_server_request_12_1, P_server_request_12_2, P_server_request_13_1, P_server_request_13_2, P_server_request_14_1, P_server_request_14_2, P_server_request_15_1, P_server_request_15_2, P_lb_idle_1, P_lb_routing_1_1, P_lb_routing_1_2, P_lb_routing_1_3, P_lb_routing_1_4, P_lb_routing_1_5, P_lb_routing_1_6, P_lb_routing_1_7, P_lb_routing_1_8, P_lb_routing_1_9, P_lb_routing_1_10, P_lb_routing_1_11, P_lb_routing_1_12, P_lb_routing_1_13, P_lb_routing_1_14, P_lb_routing_1_15, P_lb_balancing_1, P_lb_load_1_0, P_lb_load_1_1, P_lb_load_1_2, P_lb_load_1_3, P_lb_load_1_4, P_lb_load_1_5, P_lb_load_1_6, P_lb_load_1_7, P_lb_load_1_8, P_lb_load_1_9, P_lb_load_1_10, P_lb_load_1_11, P_lb_load_1_12, P_lb_load_1_13, P_lb_load_1_14, P_lb_load_1_15, P_lb_load_2_0, P_lb_load_2_1, P_lb_load_2_2, P_lb_load_2_3, P_lb_load_2_4, P_lb_load_2_5, P_lb_load_2_6, P_lb_load_2_7, P_lb_load_2_8, P_lb_load_2_9, P_lb_load_2_10, P_lb_load_2_11, P_lb_load_2_12, P_lb_load_2_13, P_lb_load_2_14, P_lb_load_2_15]
[2023-03-23 06:32:00] [INFO ] Parsed PT model containing 149 places and 1280 transitions and 8988 arcs in 198 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 149/149 places, 1280/1280 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 9 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 147 transition count 1278
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 3 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 0 with 45 rules applied. Total rules applied 49 place count 117 transition count 1263
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 2 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 0 with 30 rules applied. Total rules applied 79 place count 102 transition count 1248
Applied a total of 79 rules in 69 ms. Remains 102 /149 variables (removed 47) and now considering 1248/1280 (removed 32) transitions.
[2023-03-23 06:32:00] [INFO ] Flow matrix only has 978 transitions (discarded 270 similar events)
// Phase 1: matrix 978 rows 102 cols
[2023-03-23 06:32:00] [INFO ] Computed 24 place invariants in 37 ms
[2023-03-23 06:32:01] [INFO ] Implicit Places using invariants in 809 ms returned [17, 18]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 844 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 100/149 places, 1248/1280 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 98 transition count 1246
Applied a total of 4 rules in 15 ms. Remains 98 /100 variables (removed 2) and now considering 1246/1248 (removed 2) transitions.
[2023-03-23 06:32:01] [INFO ] Flow matrix only has 976 transitions (discarded 270 similar events)
// Phase 1: matrix 976 rows 98 cols
[2023-03-23 06:32:01] [INFO ] Computed 22 place invariants in 21 ms
[2023-03-23 06:32:01] [INFO ] Implicit Places using invariants in 451 ms returned []
[2023-03-23 06:32:01] [INFO ] Flow matrix only has 976 transitions (discarded 270 similar events)
[2023-03-23 06:32:01] [INFO ] Invariant cache hit.
[2023-03-23 06:32:01] [INFO ] State equation strengthened by 465 read => feed constraints.
[2023-03-23 06:32:02] [INFO ] Implicit Places using invariants and state equation in 1085 ms returned []
Implicit Place search using SMT with State Equation took 1539 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 98/149 places, 1246/1280 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 2468 ms. Remains : 98/149 places, 1246/1280 transitions.
Initial state reduction rules removed 15 formulas.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1248 ms. (steps per millisecond=8 ) properties (out of 1231) seen :589
Running SMT prover for 636 properties.
[2023-03-23 06:32:04] [INFO ] Flow matrix only has 976 transitions (discarded 270 similar events)
[2023-03-23 06:32:04] [INFO ] Invariant cache hit.
[2023-03-23 06:32:10] [INFO ] [Real]Absence check using 18 positive place invariants in 3 ms returned sat
[2023-03-23 06:32:10] [INFO ] [Real]Absence check using 18 positive and 4 generalized place invariants in 4 ms returned sat
[2023-03-23 06:32:15] [INFO ] After 7664ms SMT Verify possible using all constraints in real domain returned unsat :501 sat :0 real:135
[2023-03-23 06:32:16] [INFO ] [Nat]Absence check using 18 positive place invariants in 13 ms returned sat
[2023-03-23 06:32:16] [INFO ] [Nat]Absence check using 18 positive and 4 generalized place invariants in 5 ms returned sat
[2023-03-23 06:32:22] [INFO ] After 6147ms SMT Verify possible using state equation in natural domain returned unsat :501 sat :135
[2023-03-23 06:32:23] [INFO ] State equation strengthened by 465 read => feed constraints.
[2023-03-23 06:32:35] [INFO ] After 12881ms SMT Verify possible using 465 Read/Feed constraints in natural domain returned unsat :501 sat :135
[2023-03-23 06:32:41] [INFO ] After 18005ms SMT Verify possible using trap constraints in natural domain returned unsat :501 sat :135
Attempting to minimize the solution found.
Minimization took 2 ms.
[2023-03-23 06:32:41] [INFO ] After 25029ms SMT Verify possible using all constraints in natural domain returned unsat :501 sat :135
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK STRUCTURAL_REDUCTION BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE SAT_SMT
Total runtime 41055 ms.
ITS solved all properties within timeout

BK_STOP 1679553161240

--------------------
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_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /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-15"
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 2-5348"
echo " Executing tool ltsminxred"
echo " Input is SimpleLoadBal-PT-15, 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 r439-tajo-167905986300327"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SimpleLoadBal-PT-15.tgz
mv SimpleLoadBal-PT-15 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 ;