Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r373-smll-167891824500164.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.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 2-5348
Executing tool lolaxred
Input is SafeBus-PT-03, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r373-smll-167891824500164
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 832K
-rw-r--r-- 1 mcc users 9.8K Feb 26 01:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 93K Feb 26 01:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 13K Feb 26 01:28 CTLFireability.txt
-rw-r--r-- 1 mcc users 79K Feb 26 01:28 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.9K Feb 25 16:49 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Feb 25 16:49 LTLCardinality.xml
-rw-r--r-- 1 mcc users 4.4K Feb 25 16:49 LTLFireability.txt
-rw-r--r-- 1 mcc users 22K Feb 25 16:49 LTLFireability.xml
-rw-r--r-- 1 mcc users 24K Feb 26 01:32 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 222K Feb 26 01:32 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 24K Feb 26 01:31 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 158K Feb 26 01:31 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 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 95K 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 1679050266841

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=lolaxred
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SafeBus-PT-03
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-17 10:51:10] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2023-03-17 10:51:10] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 10:51:10] [INFO ] Load time of PNML (sax parser for PT used): 114 ms
[2023-03-17 10:51:10] [INFO ] Transformed 57 places.
[2023-03-17 10:51:10] [INFO ] Transformed 91 transitions.
[2023-03-17 10:51:10] [INFO ] Found NUPN structural information;
[2023-03-17 10:51:10] [INFO ] Parsed PT model containing 57 places and 91 transitions and 541 arcs in 284 ms.
Reduce places removed 3 places and 0 transitions.
Built sparse matrix representations for Structural reductions in 10 ms.20917KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 54/54 places, 91/91 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 36 ms. Remains 54 /54 variables (removed 0) and now considering 91/91 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 37 ms. Remains : 54/54 places, 91/91 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 54/54 places, 91/91 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 14 ms. Remains 54 /54 variables (removed 0) and now considering 91/91 (removed 0) transitions.
[2023-03-17 10:51:10] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
// Phase 1: matrix 68 rows 54 cols
[2023-03-17 10:51:10] [INFO ] Computed 17 place invariants in 15 ms
[2023-03-17 10:51:11] [INFO ] Implicit Places using invariants in 312 ms returned []
[2023-03-17 10:51:11] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2023-03-17 10:51:11] [INFO ] Invariant cache hit.
[2023-03-17 10:51:11] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 10:51:11] [INFO ] Implicit Places using invariants and state equation in 168 ms returned []
Implicit Place search using SMT with State Equation took 545 ms to find 0 implicit places.
[2023-03-17 10:51:11] [INFO ] Redundant transitions in 4 ms returned []
[2023-03-17 10:51:11] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2023-03-17 10:51:11] [INFO ] Invariant cache hit.
[2023-03-17 10:51:11] [INFO ] Dead Transitions using invariants and state equation in 192 ms found 9 transitions.
Found 9 dead transitions using SMT.
Drop transitions removed 9 transitions
Dead transitions reduction (with SMT) removed 9 transitions
Starting structural reductions in DEADLOCK mode, iteration 1 : 54/54 places, 82/91 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 12 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 10:51:11] [INFO ] Redundant transitions in 3 ms returned []
Finished structural reductions in DEADLOCK mode , in 2 iterations and 793 ms. Remains : 54/54 places, 82/91 transitions.
Random walk for 1250000 steps, including 0 resets, run took 2299 ms (no deadlock found). (steps per millisecond=543 )
Random directed walk for 1250000 steps, including 0 resets, run took 1496 ms (no deadlock found). (steps per millisecond=835 )
[2023-03-17 10:51:15] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 54 cols
[2023-03-17 10:51:15] [INFO ] Computed 17 place invariants in 5 ms
[2023-03-17 10:51:15] [INFO ] [Real]Absence check using 7 positive place invariants in 5 ms returned sat
[2023-03-17 10:51:15] [INFO ] [Real]Absence check using 7 positive and 10 generalized place invariants in 10 ms returned sat
[2023-03-17 10:51:15] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 10:51:15] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2023-03-17 10:51:15] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 10:51:15] [INFO ] [Nat]Absence check using 7 positive place invariants in 4 ms returned sat
[2023-03-17 10:51:15] [INFO ] [Nat]Absence check using 7 positive and 10 generalized place invariants in 9 ms returned sat
[2023-03-17 10:51:15] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 10:51:15] [INFO ] [Nat]Absence check using state equation in 44 ms returned sat
[2023-03-17 10:51:15] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 10:51:15] [INFO ] [Nat]Added 13 Read/Feed constraints in 6 ms returned sat
[2023-03-17 10:51:15] [INFO ] Deduced a trap composed of 13 places in 46 ms of which 5 ms to minimize.
[2023-03-17 10:51:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 73 ms
[2023-03-17 10:51:15] [INFO ] Computed and/alt/rep : 52/309/52 causal constraints (skipped 13 transitions) in 22 ms.
[2023-03-17 10:51:15] [INFO ] Added : 39 causal constraints over 8 iterations in 225 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 4 ms.
Parikh directed walk for 12900 steps, including 731 resets, run took 64 ms. (steps per millisecond=201 )
Random directed walk for 500001 steps, including 0 resets, run took 531 ms (no deadlock found). (steps per millisecond=941 )
Random walk for 500000 steps, including 0 resets, run took 583 ms (no deadlock found). (steps per millisecond=857 )
Random directed walk for 500001 steps, including 0 resets, run took 433 ms (no deadlock found). (steps per millisecond=1154 )
Random walk for 500000 steps, including 0 resets, run took 754 ms (no deadlock found). (steps per millisecond=663 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 54/54 places, 82/82 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 7 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 10:51:18] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 10:51:18] [INFO ] Invariant cache hit.
[2023-03-17 10:51:18] [INFO ] Implicit Places using invariants in 48 ms returned []
[2023-03-17 10:51:18] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 10:51:18] [INFO ] Invariant cache hit.
[2023-03-17 10:51:18] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 10:51:18] [INFO ] Implicit Places using invariants and state equation in 69 ms returned []
Implicit Place search using SMT with State Equation took 120 ms to find 0 implicit places.
[2023-03-17 10:51:18] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-17 10:51:18] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 10:51:18] [INFO ] Invariant cache hit.
[2023-03-17 10:51:18] [INFO ] Dead Transitions using invariants and state equation in 103 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 247 ms. Remains : 54/54 places, 82/82 transitions.
Random walk for 1250000 steps, including 0 resets, run took 1796 ms (no deadlock found). (steps per millisecond=695 )
Random directed walk for 1250000 steps, including 0 resets, run took 1286 ms (no deadlock found). (steps per millisecond=972 )
[2023-03-17 10:51:21] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2023-03-17 10:51:21] [INFO ] Invariant cache hit.
[2023-03-17 10:51:21] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2023-03-17 10:51:21] [INFO ] [Real]Absence check using 7 positive and 10 generalized place invariants in 14 ms returned sat
[2023-03-17 10:51:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 10:51:21] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2023-03-17 10:51:21] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 10:51:21] [INFO ] [Nat]Absence check using 7 positive place invariants in 19 ms returned sat
[2023-03-17 10:51:21] [INFO ] [Nat]Absence check using 7 positive and 10 generalized place invariants in 10 ms returned sat
[2023-03-17 10:51:21] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 10:51:21] [INFO ] [Nat]Absence check using state equation in 59 ms returned sat
[2023-03-17 10:51:21] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 10:51:21] [INFO ] [Nat]Added 13 Read/Feed constraints in 12 ms returned sat
[2023-03-17 10:51:22] [INFO ] Deduced a trap composed of 13 places in 100 ms of which 2 ms to minimize.
[2023-03-17 10:51:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 124 ms
[2023-03-17 10:51:22] [INFO ] Computed and/alt/rep : 52/309/52 causal constraints (skipped 13 transitions) in 23 ms.
[2023-03-17 10:51:22] [INFO ] Added : 31 causal constraints over 7 iterations in 198 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 6 ms.
Parikh directed walk for 11900 steps, including 992 resets, run took 49 ms. (steps per millisecond=242 )
Random directed walk for 500001 steps, including 0 resets, run took 665 ms (no deadlock found). (steps per millisecond=751 )
Random walk for 500000 steps, including 0 resets, run took 640 ms (no deadlock found). (steps per millisecond=781 )
Random directed walk for 500000 steps, including 0 resets, run took 427 ms (no deadlock found). (steps per millisecond=1170 )
Random walk for 500000 steps, including 0 resets, run took 568 ms (no deadlock found). (steps per millisecond=880 )
[2023-03-17 10:51:24] [INFO ] Flatten gal took : 81 ms
Starting structural reductions in LIVENESS mode, iteration 0 : 57/57 places, 91/91 transitions.
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 54 transition count 91
Applied a total of 3 rules in 5 ms. Remains 54 /57 variables (removed 3) and now considering 91/91 (removed 0) transitions.
[2023-03-17 10:51:24] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
// Phase 1: matrix 68 rows 54 cols
[2023-03-17 10:51:24] [INFO ] Computed 17 place invariants in 6 ms
[2023-03-17 10:51:25] [INFO ] Implicit Places using invariants in 171 ms returned [42, 43, 44]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 176 ms to find 3 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 51/57 places, 91/91 transitions.
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 0 place count 51 transition count 88
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 48 transition count 88
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 45 transition count 91
Applied a total of 12 rules in 12 ms. Remains 45 /51 variables (removed 6) and now considering 91/91 (removed 0) transitions.
[2023-03-17 10:51:25] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
// Phase 1: matrix 68 rows 45 cols
[2023-03-17 10:51:25] [INFO ] Computed 14 place invariants in 3 ms
[2023-03-17 10:51:25] [INFO ] Implicit Places using invariants in 135 ms returned []
[2023-03-17 10:51:25] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2023-03-17 10:51:25] [INFO ] Invariant cache hit.
[2023-03-17 10:51:25] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 10:51:25] [INFO ] Implicit Places using invariants and state equation in 248 ms returned []
Implicit Place search using SMT with State Equation took 392 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 45/57 places, 91/91 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 585 ms. Remains : 45/57 places, 91/91 transitions.
Discarding 9 transitions out of 91. Remains 82
Initial state reduction rules removed 3 formulas.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 798 ms. (steps per millisecond=12 ) properties (out of 79) seen :70
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 185 ms. (steps per millisecond=54 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 116 ms. (steps per millisecond=86 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 119 ms. (steps per millisecond=84 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 164 ms. (steps per millisecond=60 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 166 ms. (steps per millisecond=60 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 167 ms. (steps per millisecond=59 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 146 ms. (steps per millisecond=68 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 145 ms. (steps per millisecond=68 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 143 ms. (steps per millisecond=69 ) properties (out of 9) seen :0
Running SMT prover for 9 properties.
[2023-03-17 10:51:27] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2023-03-17 10:51:27] [INFO ] Invariant cache hit.
[2023-03-17 10:51:27] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-17 10:51:27] [INFO ] [Real]Absence check using 5 positive and 9 generalized place invariants in 3 ms returned sat
[2023-03-17 10:51:27] [INFO ] After 73ms SMT Verify possible using all constraints in real domain returned unsat :9 sat :0
FORMULA Liveness FALSE TECHNIQUES QUASILIVENESS_TEST
Total runtime 17638 ms.
ITS solved all properties within timeout

BK_STOP 1679050288693

--------------------
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 Liveness -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="SafeBus-PT-03"
export BK_EXAMINATION="Liveness"
export BK_TOOL="lolaxred"
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 lolaxred"
echo " Input is SafeBus-PT-03, 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 r373-smll-167891824500164"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SafeBus-PT-03.tgz
mv SafeBus-PT-03 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 ;