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.r435-tajo-167905984300314.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 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 r435-tajo-167905984300314
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 516K
-rw-r--r-- 1 mcc users 7.9K Feb 26 03:46 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K Feb 26 03:46 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.7K Feb 26 03:46 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Feb 26 03:46 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.7K Feb 25 17:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 17:06 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.2K Feb 25 17:06 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 17:06 LTLFireability.xml
-rw-r--r-- 1 mcc users 21K Feb 26 03:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 173K Feb 26 03:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.5K Feb 26 03:46 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 40K Feb 26 03:46 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Feb 25 17:06 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 17:06 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 38K 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 Liveness

=== Now, execution of the tool begins

BK_START 1679502117614

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=itstools
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SimpleLoadBal-PT-02
Not applying reductions.
Model is PT
Liveness PT
Running Version 202303021504
[2023-03-22 16:21:59] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2023-03-22 16:21:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 16:21:59] [INFO ] Load time of PNML (sax parser for PT used): 33 ms
[2023-03-22 16:21:59] [INFO ] Transformed 32 places.
[2023-03-22 16:21:59] [INFO ] Transformed 45 transitions.
[2023-03-22 16:21:59] [INFO ] Found NUPN structural information;
[2023-03-22 16:21:59] [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]
[2023-03-22 16:21:59] [INFO ] Parsed PT model containing 32 places and 45 transitions and 252 arcs in 127 ms.
Built sparse matrix representations for Structural reductions in 4 ms.25962KB memory used
Starting structural reductions in DEADLOCK 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 18 ms. Remains 32 /32 variables (removed 0) and now considering 45/45 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 18 ms. Remains : 32/32 places, 45/45 transitions.
Starting structural reductions in DEADLOCK 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 4 ms. Remains 32 /32 variables (removed 0) and now considering 45/45 (removed 0) transitions.
[2023-03-22 16:21:59] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 32 cols
[2023-03-22 16:21:59] [INFO ] Computed 13 place invariants in 4 ms
[2023-03-22 16:21:59] [INFO ] Implicit Places using invariants in 222 ms returned []
[2023-03-22 16:21:59] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
[2023-03-22 16:21:59] [INFO ] Invariant cache hit.
[2023-03-22 16:22:00] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-22 16:22:00] [INFO ] Implicit Places using invariants and state equation in 97 ms returned []
Implicit Place search using SMT with State Equation took 343 ms to find 0 implicit places.
[2023-03-22 16:22:00] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-22 16:22:00] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
[2023-03-22 16:22:00] [INFO ] Invariant cache hit.
[2023-03-22 16:22:00] [INFO ] Dead Transitions using invariants and state equation in 83 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 453 ms. Remains : 32/32 places, 45/45 transitions.
Random walk for 1250000 steps, including 0 resets, run took 1221 ms (no deadlock found). (steps per millisecond=1023 )
Random directed walk for 1250002 steps, including 0 resets, run took 924 ms (no deadlock found). (steps per millisecond=1352 )
[2023-03-22 16:22:02] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
[2023-03-22 16:22:02] [INFO ] Invariant cache hit.
[2023-03-22 16:22:02] [INFO ] [Real]Absence check using 9 positive place invariants in 3 ms returned sat
[2023-03-22 16:22:02] [INFO ] [Real]Absence check using 9 positive and 4 generalized place invariants in 7 ms returned sat
[2023-03-22 16:22:02] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 16:22:02] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2023-03-22 16:22:02] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 16:22:02] [INFO ] [Nat]Absence check using 9 positive place invariants in 3 ms returned sat
[2023-03-22 16:22:02] [INFO ] [Nat]Absence check using 9 positive and 4 generalized place invariants in 1 ms returned sat
[2023-03-22 16:22:02] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 16:22:02] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2023-03-22 16:22:02] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-22 16:22:02] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2023-03-22 16:22:02] [INFO ] Deduced a trap composed of 8 places in 30 ms of which 3 ms to minimize.
[2023-03-22 16:22:02] [INFO ] Deduced a trap composed of 8 places in 25 ms of which 1 ms to minimize.
[2023-03-22 16:22:02] [INFO ] Deduced a trap composed of 8 places in 26 ms of which 2 ms to minimize.
[2023-03-22 16:22:02] [INFO ] Deduced a trap composed of 8 places in 23 ms of which 1 ms to minimize.
[2023-03-22 16:22:02] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 4 trap constraints in 127 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 0 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 8 ms. Remains 24 /32 variables (removed 8) and now considering 39/45 (removed 6) transitions.
[2023-03-22 16:22:02] [INFO ] Flow matrix only has 29 transitions (discarded 10 similar events)
// Phase 1: matrix 29 rows 24 cols
[2023-03-22 16:22:02] [INFO ] Computed 11 place invariants in 1 ms
[2023-03-22 16:22:02] [INFO ] Implicit Places using invariants in 46 ms returned [4, 5]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 48 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 1 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 1 ms. Remains 20 /22 variables (removed 2) and now considering 37/39 (removed 2) transitions.
[2023-03-22 16:22:02] [INFO ] Flow matrix only has 27 transitions (discarded 10 similar events)
// Phase 1: matrix 27 rows 20 cols
[2023-03-22 16:22:02] [INFO ] Computed 9 place invariants in 1 ms
[2023-03-22 16:22:02] [INFO ] Implicit Places using invariants in 41 ms returned []
[2023-03-22 16:22:02] [INFO ] Flow matrix only has 27 transitions (discarded 10 similar events)
[2023-03-22 16:22:02] [INFO ] Invariant cache hit.
[2023-03-22 16:22:02] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-22 16:22:02] [INFO ] Implicit Places using invariants and state equation in 53 ms returned []
Implicit Place search using SMT with State Equation took 97 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 154 ms. 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 158 ms. (steps per millisecond=63 ) properties (out of 35) seen :34
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-22 16:22:02] [INFO ] Flow matrix only has 27 transitions (discarded 10 similar events)
[2023-03-22 16:22:02] [INFO ] Invariant cache hit.
[2023-03-22 16:22:03] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2023-03-22 16:22:03] [INFO ] [Real]Absence check using 5 positive and 4 generalized place invariants in 1 ms returned sat
[2023-03-22 16:22:03] [INFO ] After 49ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0
[2023-03-22 16:22:03] [INFO ] Flatten gal took : 26 ms
[2023-03-22 16:22:03] [INFO ] Flatten gal took : 7 ms
[2023-03-22 16:22:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4233143218554180771.gal : 6 ms
[2023-03-22 16:22:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4556680558971369168.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4233143218554180771.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4556680558971369168.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner failed with exception null
java.lang.InterruptedException
at java.base/java.lang.Object.wait(Native Method)
at java.base/java.lang.Thread.join(Thread.java:1304)
at java.base/java.lang.Thread.join(Thread.java:1372)
at fr.lip6.move.gal.application.runner.AbstractRunner.join(AbstractRunner.java:27)
at fr.lip6.move.gal.application.runner.its.ITSRunner.join(ITSRunner.java:177)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.verifyWithSDD(GlobalPropertySolver.java:675)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.lambda$2(ReachabilitySolver.java:63)
at java.base/java.lang.Thread.run(Thread.java:833)
FORMULA Liveness FALSE TECHNIQUES QUASILIVENESS_TEST
Total runtime 3655 ms.
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality4556680558971369168.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :3 after 5
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :5 after 9
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :9 after 27
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :43 after 60
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,72,0.021009,3772,2,171,11,988,7,0,124,989,0
Total reachable state count : 72

Verifying 1 reachability properties.
Reachability property qltransition_20 does not hold.

BK_STOP 1679502123244

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ Liveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution Liveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination Liveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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 2-5348"
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 r435-tajo-167905984300314"
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 ;