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-167891824500176.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-15, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r373-smll-167891824500176
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 11M
-rw-r--r-- 1 mcc users 40K Feb 26 02:13 CTLCardinality.txt
-rw-r--r-- 1 mcc users 227K Feb 26 02:13 CTLCardinality.xml
-rw-r--r-- 1 mcc users 390K Feb 26 02:08 CTLFireability.txt
-rw-r--r-- 1 mcc users 1.6M Feb 26 02:08 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 31K Feb 25 16:49 LTLCardinality.txt
-rw-r--r-- 1 mcc users 116K Feb 25 16:49 LTLCardinality.xml
-rw-r--r-- 1 mcc users 271K Feb 25 16:49 LTLFireability.txt
-rw-r--r-- 1 mcc users 797K Feb 25 16:49 LTLFireability.xml
-rw-r--r-- 1 mcc users 83K Feb 26 02:44 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 472K Feb 26 02:44 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 725K Feb 26 02:40 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 2.7M Feb 26 02:40 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.6K Feb 25 16:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 6.7K 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 3.5M 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 ReachabilityDeadlock

=== Now, execution of the tool begins

BK_START 1679050773032

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=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SafeBus-PT-15
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-17 10:59:36] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2023-03-17 10:59:36] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 10:59:37] [INFO ] Load time of PNML (sax parser for PT used): 460 ms
[2023-03-17 10:59:37] [INFO ] Transformed 621 places.
[2023-03-17 10:59:37] [INFO ] Transformed 4771 transitions.
[2023-03-17 10:59:37] [INFO ] Parsed PT model containing 621 places and 4771 transitions and 34549 arcs in 613 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 4 ms.
Working with output stream class java.io.PrintStream
Reduce places removed 15 places and 0 transitions.
Built sparse matrix representations for Structural reductions in 10 ms.25743KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 606/606 places, 4771/4771 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 1652 ms. Remains 606 /606 variables (removed 0) and now considering 4771/4771 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 1654 ms. Remains : 606/606 places, 4771/4771 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 606/606 places, 4771/4771 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 1305 ms. Remains 606 /606 variables (removed 0) and now considering 4771/4771 (removed 0) transitions.
[2023-03-17 10:59:40] [INFO ] Flow matrix only has 1412 transitions (discarded 3359 similar events)
// Phase 1: matrix 1412 rows 606 cols
[2023-03-17 10:59:40] [INFO ] Computed 65 place invariants in 94 ms
[2023-03-17 10:59:42] [INFO ] Implicit Places using invariants in 2519 ms returned [547]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 2570 ms to find 1 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 1 : 605/606 places, 4771/4771 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 605 transition count 4770
Deduced a syphon composed of 1 places in 7 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 604 transition count 4770
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 2 rules in 1780 ms. Remains 604 /605 variables (removed 1) and now considering 4770/4771 (removed 1) transitions.
[2023-03-17 10:59:44] [INFO ] Flow matrix only has 1411 transitions (discarded 3359 similar events)
// Phase 1: matrix 1411 rows 604 cols
[2023-03-17 10:59:44] [INFO ] Computed 64 place invariants in 48 ms
[2023-03-17 10:59:47] [INFO ] Implicit Places using invariants in 2691 ms returned [546, 547, 548, 549, 550, 551, 552, 553, 554, 555, 556, 557, 558, 559]
Discarding 14 places :
Implicit Place search using SMT only with invariants took 2707 ms to find 14 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 2 : 590/606 places, 4770/4771 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Performed 14 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 14 Pre rules applied. Total rules applied 0 place count 590 transition count 4756
Deduced a syphon composed of 14 places in 3 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 0 with 28 rules applied. Total rules applied 28 place count 576 transition count 4756
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 28 rules in 1452 ms. Remains 576 /590 variables (removed 14) and now considering 4756/4770 (removed 14) transitions.
[2023-03-17 10:59:48] [INFO ] Flow matrix only has 1397 transitions (discarded 3359 similar events)
// Phase 1: matrix 1397 rows 576 cols
[2023-03-17 10:59:48] [INFO ] Computed 50 place invariants in 19 ms
[2023-03-17 10:59:50] [INFO ] Implicit Places using invariants in 2189 ms returned []
[2023-03-17 10:59:50] [INFO ] Flow matrix only has 1397 transitions (discarded 3359 similar events)
[2023-03-17 10:59:50] [INFO ] Invariant cache hit.
[2023-03-17 10:59:51] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-17 10:59:58] [INFO ] Implicit Places using invariants and state equation in 8114 ms returned []
Implicit Place search using SMT with State Equation took 10307 ms to find 0 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 3 : 576/606 places, 4756/4771 transitions.
Finished structural reductions in DEADLOCK mode , in 3 iterations and 20125 ms. Remains : 576/606 places, 4756/4771 transitions.
Random walk for 1250000 steps, including 0 resets, run took 23936 ms (no deadlock found). (steps per millisecond=52 )
Random directed walk for 1250007 steps, including 0 resets, run took 16214 ms (no deadlock found). (steps per millisecond=77 )
[2023-03-17 11:00:39] [INFO ] Flow matrix only has 1397 transitions (discarded 3359 similar events)
[2023-03-17 11:00:39] [INFO ] Invariant cache hit.
[2023-03-17 11:00:40] [INFO ] [Real]Absence check using 19 positive place invariants in 27 ms returned sat
[2023-03-17 11:00:41] [INFO ] [Real]Absence check using 19 positive and 31 generalized place invariants in 650 ms returned sat
[2023-03-17 11:00:41] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 11:00:42] [INFO ] [Real]Absence check using state equation in 1552 ms returned sat
[2023-03-17 11:00:42] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 11:00:43] [INFO ] [Nat]Absence check using 19 positive place invariants in 21 ms returned sat
[2023-03-17 11:00:43] [INFO ] [Nat]Absence check using 19 positive and 31 generalized place invariants in 173 ms returned sat
[2023-03-17 11:00:43] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 11:00:45] [INFO ] [Nat]Absence check using state equation in 1364 ms returned sat
[2023-03-17 11:00:45] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-17 11:00:46] [INFO ] [Nat]Added 241 Read/Feed constraints in 1228 ms returned sat
[2023-03-17 11:00:47] [INFO ] Deduced a trap composed of 74 places in 479 ms of which 9 ms to minimize.
[2023-03-17 11:00:47] [INFO ] Deduced a trap composed of 61 places in 421 ms of which 3 ms to minimize.
[2023-03-17 11:00:47] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1216 ms
[2023-03-17 11:00:48] [INFO ] Computed and/alt/rep : 30/45/30 causal constraints (skipped 1352 transitions) in 484 ms.
[2023-03-17 11:00:48] [INFO ] Added : 2 causal constraints over 2 iterations in 856 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 27 ms.
Parikh directed walk for 19700 steps, including 994 resets, run took 404 ms. (steps per millisecond=48 )
Random directed walk for 500000 steps, including 0 resets, run took 6677 ms (no deadlock found). (steps per millisecond=74 )
Random walk for 500000 steps, including 0 resets, run took 9800 ms (no deadlock found). (steps per millisecond=51 )
Random directed walk for 500004 steps, including 0 resets, run took 6991 ms (no deadlock found). (steps per millisecond=71 )
Random walk for 500000 steps, including 0 resets, run took 9294 ms (no deadlock found). (steps per millisecond=53 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 576/576 places, 4756/4756 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 1327 ms. Remains 576 /576 variables (removed 0) and now considering 4756/4756 (removed 0) transitions.
[2023-03-17 11:01:23] [INFO ] Flow matrix only has 1397 transitions (discarded 3359 similar events)
[2023-03-17 11:01:23] [INFO ] Invariant cache hit.
[2023-03-17 11:01:25] [INFO ] Implicit Places using invariants in 2287 ms returned []
[2023-03-17 11:01:25] [INFO ] Flow matrix only has 1397 transitions (discarded 3359 similar events)
[2023-03-17 11:01:25] [INFO ] Invariant cache hit.
[2023-03-17 11:01:26] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-17 11:01:33] [INFO ] Implicit Places using invariants and state equation in 7654 ms returned []
Implicit Place search using SMT with State Equation took 9944 ms to find 0 implicit places.
[2023-03-17 11:01:33] [INFO ] Redundant transitions in 764 ms returned []
[2023-03-17 11:01:33] [INFO ] Flow matrix only has 1397 transitions (discarded 3359 similar events)
[2023-03-17 11:01:33] [INFO ] Invariant cache hit.
[2023-03-17 11:01:40] [INFO ] Dead Transitions using invariants and state equation in 6120 ms found 225 transitions.
Found 225 dead transitions using SMT.
Drop transitions removed 225 transitions
Dead transitions reduction (with SMT) removed 225 transitions
Starting structural reductions in DEADLOCK mode, iteration 1 : 576/576 places, 4531/4756 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 1284 ms. Remains 576 /576 variables (removed 0) and now considering 4531/4531 (removed 0) transitions.
[2023-03-17 11:01:41] [INFO ] Redundant transitions in 445 ms returned []
Finished structural reductions in DEADLOCK mode , in 2 iterations and 19902 ms. Remains : 576/576 places, 4531/4756 transitions.
Random walk for 1250000 steps, including 0 resets, run took 22377 ms (no deadlock found). (steps per millisecond=55 )
Random directed walk for 1250011 steps, including 0 resets, run took 15868 ms (no deadlock found). (steps per millisecond=78 )
[2023-03-17 11:02:20] [INFO ] Flow matrix only has 1397 transitions (discarded 3134 similar events)
// Phase 1: matrix 1397 rows 576 cols
[2023-03-17 11:02:20] [INFO ] Computed 50 place invariants in 25 ms
[2023-03-17 11:02:21] [INFO ] [Real]Absence check using 19 positive place invariants in 27 ms returned sat
[2023-03-17 11:02:22] [INFO ] [Real]Absence check using 19 positive and 31 generalized place invariants in 1037 ms returned sat
[2023-03-17 11:02:22] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 11:02:23] [INFO ] [Real]Absence check using state equation in 1632 ms returned sat
[2023-03-17 11:02:23] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 11:02:25] [INFO ] [Nat]Absence check using 19 positive place invariants in 23 ms returned sat
[2023-03-17 11:02:25] [INFO ] [Nat]Absence check using 19 positive and 31 generalized place invariants in 197 ms returned sat
[2023-03-17 11:02:25] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 11:02:26] [INFO ] [Nat]Absence check using state equation in 1514 ms returned sat
[2023-03-17 11:02:26] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-17 11:02:27] [INFO ] [Nat]Added 241 Read/Feed constraints in 779 ms returned sat
[2023-03-17 11:02:28] [INFO ] Deduced a trap composed of 74 places in 434 ms of which 3 ms to minimize.
[2023-03-17 11:02:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1399 ms
[2023-03-17 11:02:29] [INFO ] Computed and/alt/rep : 30/45/30 causal constraints (skipped 1352 transitions) in 326 ms.
[2023-03-17 11:02:29] [INFO ] Added : 1 causal constraints over 1 iterations in 701 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 23 ms.
Parikh directed walk for 45400 steps, including 1000 resets, run took 1162 ms. (steps per millisecond=39 )
Random directed walk for 500002 steps, including 0 resets, run took 6686 ms (no deadlock found). (steps per millisecond=74 )
Random walk for 500000 steps, including 0 resets, run took 8977 ms (no deadlock found). (steps per millisecond=55 )
Random directed walk for 500006 steps, including 0 resets, run took 6005 ms (no deadlock found). (steps per millisecond=83 )
Random walk for 500000 steps, including 0 resets, run took 8967 ms (no deadlock found). (steps per millisecond=55 )
[2023-03-17 11:03:02] [INFO ] Flatten gal took : 750 ms
[2023-03-17 11:03:02] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 1 ms.
[2023-03-17 11:03:02] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 606 places, 4771 transitions and 34129 arcs took 44 ms.
Total runtime 206415 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT SafeBus-PT-15
BK_EXAMINATION: ReachabilityDeadlock
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/369
GlobalProperty: ReachabilityDeadlock
TIME LIMIT: Killed by timeout after 1800 seconds
MemTotal: 16393216 kB
MemFree: 10284020 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16146356 kB

BK_TIME_CONFINEMENT_REACHED

--------------------
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 ReachabilityDeadlock -timeout 180 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/369/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/369/model.pnml
lola: STP: formula with 3273383 variables and 24375422 clauses shipped to Minisat
lola: SIPHON RESULT 1
lola: caught signal Terminated - aborting LoLA

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY


Time elapsed: 1590 secs. Pages in use: 7

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-15"
export BK_EXAMINATION="ReachabilityDeadlock"
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-15, examination is ReachabilityDeadlock"
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-167891824500176"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SafeBus-PT-15.tgz
mv SafeBus-PT-15 execution
cd execution
if [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "UpperBounds" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] || [ "ReachabilityDeadlock" = "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 [ "ReachabilityDeadlock" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityDeadlock" != "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 "ReachabilityDeadlock.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityDeadlock.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityDeadlock.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 '' ReachabilityDeadlock.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityDeadlock"
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 ;