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.r341-tall-167889213500036.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 RERS17pb113-PT-8, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r341-tall-167889213500036
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 15M
-rw-r--r-- 1 mcc users 5.8K Feb 26 18:19 CTLCardinality.txt
-rw-r--r-- 1 mcc users 57K Feb 26 18:19 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Feb 26 18:18 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K Feb 26 18:18 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:38 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 16:38 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Feb 25 16:38 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:38 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Feb 26 18:24 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 192K Feb 26 18:24 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 26 18:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K Feb 26 18:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:38 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:38 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 2 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 15M 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 1679090506184

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=RERS17pb113-PT-8
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-17 22:01:47] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2023-03-17 22:01:47] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 22:01:48] [INFO ] Load time of PNML (sax parser for PT used): 553 ms
[2023-03-17 22:01:48] [INFO ] Transformed 639 places.
[2023-03-17 22:01:48] [INFO ] Transformed 31353 transitions.
[2023-03-17 22:01:49] [INFO ] Parsed PT model containing 639 places and 31353 transitions and 125418 arcs in 1637 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 2 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 20 ms.123357KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 639/639 places, 31353/31353 transitions.
Computed a total of 13 stabilizing places and 1 stable transitions
Ensure Unique test removed 12 places
Computed a total of 1 stabilizing places and 1 stable transitions
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 627 transition count 31353
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 13 place count 626 transition count 31352
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 13 rules in 845 ms. Remains 626 /639 variables (removed 13) and now considering 31352/31353 (removed 1) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 851 ms. Remains : 626/639 places, 31352/31353 transitions.
Interrupted Random walk after 899875 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=29 )
[2023-03-17 22:02:20] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-17 22:02:20] [INFO ] Computed 13 place invariants in 136 ms
[2023-03-17 22:02:24] [INFO ] [Real]Absence check using 13 positive place invariants in 332 ms returned sat
[2023-03-17 22:02:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 22:02:39] [INFO ] [Real]Absence check using state equation in 15290 ms returned sat
[2023-03-17 22:02:40] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 22:02:43] [INFO ] [Nat]Absence check using 13 positive place invariants in 21 ms returned sat
[2023-03-17 22:02:43] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 22:02:56] [INFO ] [Nat]Absence check using state equation in 12673 ms returned sat
[2023-03-17 22:02:56] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-17 22:03:00] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-17 22:03:01] [INFO ] [Nat]Added 268 Read/Feed constraints in 4896 ms returned sat
[2023-03-17 22:03:03] [INFO ] Deduced a trap composed of 40 places in 1513 ms of which 6 ms to minimize.
[2023-03-17 22:03:05] [INFO ] Deduced a trap composed of 64 places in 1251 ms of which 1 ms to minimize.
[2023-03-17 22:03:06] [INFO ] Deduced a trap composed of 40 places in 935 ms of which 2 ms to minimize.
[2023-03-17 22:03:07] [INFO ] Deduced a trap composed of 64 places in 826 ms of which 3 ms to minimize.
[2023-03-17 22:03:08] [INFO ] Deduced a trap composed of 24 places in 627 ms of which 1 ms to minimize.
[2023-03-17 22:03:10] [INFO ] Deduced a trap composed of 48 places in 1042 ms of which 1 ms to minimize.
[2023-03-17 22:03:12] [INFO ] Deduced a trap composed of 48 places in 1391 ms of which 0 ms to minimize.
[2023-03-17 22:03:14] [INFO ] Deduced a trap composed of 48 places in 1610 ms of which 2 ms to minimize.
[2023-03-17 22:03:15] [INFO ] Deduced a trap composed of 64 places in 1486 ms of which 1 ms to minimize.
[2023-03-17 22:03:17] [INFO ] Deduced a trap composed of 40 places in 1238 ms of which 0 ms to minimize.
[2023-03-17 22:03:19] [INFO ] Deduced a trap composed of 40 places in 921 ms of which 1 ms to minimize.
[2023-03-17 22:03:20] [INFO ] Deduced a trap composed of 64 places in 876 ms of which 0 ms to minimize.
[2023-03-17 22:03:21] [INFO ] Deduced a trap composed of 65 places in 709 ms of which 1 ms to minimize.
[2023-03-17 22:03:22] [INFO ] Deduced a trap composed of 64 places in 1246 ms of which 1 ms to minimize.
[2023-03-17 22:03:23] [INFO ] Deduced a trap composed of 64 places in 828 ms of which 0 ms to minimize.
[2023-03-17 22:03:24] [INFO ] Deduced a trap composed of 64 places in 560 ms of which 1 ms to minimize.
[2023-03-17 22:03:25] [INFO ] Deduced a trap composed of 48 places in 499 ms of which 0 ms to minimize.
[2023-03-17 22:03:26] [INFO ] Deduced a trap composed of 40 places in 416 ms of which 0 ms to minimize.
[2023-03-17 22:03:29] [INFO ] Deduced a trap composed of 64 places in 600 ms of which 0 ms to minimize.
[2023-03-17 22:03:31] [INFO ] Deduced a trap composed of 40 places in 389 ms of which 0 ms to minimize.
[2023-03-17 22:03:32] [INFO ] Deduced a trap composed of 48 places in 458 ms of which 0 ms to minimize.
[2023-03-17 22:03:34] [INFO ] Trap strengthening (SAT) tested/added 22/21 trap constraints in 32518 ms
[2023-03-17 22:03:36] [INFO ] Computed and/alt/rep : 1/9/1 causal constraints (skipped 18323 transitions) in 2443 ms.
[2023-03-17 22:03:37] [INFO ] Added : 0 causal constraints over 0 iterations in 3586 ms. Result :sat
Interrupted Parikh directed walk after 43993 steps, including 43993 resets, run timeout after 30001 ms. (steps per millisecond=1 )
Parikh directed walk for 43993 steps, including 43993 resets, run took 30001 ms. (steps per millisecond=1 )
Random directed walk for 500024 steps, including 0 resets, run took 20964 ms (no deadlock found). (steps per millisecond=23 )
Random walk for 500000 steps, including 0 resets, run took 15241 ms (no deadlock found). (steps per millisecond=32 )
Random directed walk for 500025 steps, including 0 resets, run took 21003 ms (no deadlock found). (steps per millisecond=23 )
Random walk for 500000 steps, including 0 resets, run took 15835 ms (no deadlock found). (steps per millisecond=31 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 626/626 places, 31352/31352 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 241 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-17 22:05:21] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-17 22:05:21] [INFO ] Invariant cache hit.
[2023-03-17 22:05:23] [INFO ] Implicit Places using invariants in 2041 ms returned []
Implicit Place search using SMT only with invariants took 2053 ms to find 0 implicit places.
[2023-03-17 22:05:23] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-17 22:05:23] [INFO ] Invariant cache hit.
[2023-03-17 22:05:31] [INFO ] Dead Transitions using invariants and state equation in 8393 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 10689 ms. Remains : 626/626 places, 31352/31352 transitions.
Interrupted Random walk after 931245 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=31 )
[2023-03-17 22:06:01] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-17 22:06:01] [INFO ] Invariant cache hit.
[2023-03-17 22:06:05] [INFO ] [Real]Absence check using 13 positive place invariants in 17 ms returned sat
[2023-03-17 22:06:05] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 22:06:22] [INFO ] [Real]Absence check using state equation in 16764 ms returned sat
[2023-03-17 22:06:22] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 22:06:25] [INFO ] [Nat]Absence check using 13 positive place invariants in 22 ms returned sat
[2023-03-17 22:06:25] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 22:06:43] [INFO ] [Nat]Absence check using state equation in 17441 ms returned sat
[2023-03-17 22:06:43] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-17 22:06:46] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-17 22:06:48] [INFO ] [Nat]Added 268 Read/Feed constraints in 4731 ms returned sat
[2023-03-17 22:06:49] [INFO ] Deduced a trap composed of 64 places in 1294 ms of which 1 ms to minimize.
[2023-03-17 22:06:51] [INFO ] Deduced a trap composed of 48 places in 1270 ms of which 1 ms to minimize.
[2023-03-17 22:06:53] [INFO ] Deduced a trap composed of 48 places in 1503 ms of which 3 ms to minimize.
[2023-03-17 22:06:55] [INFO ] Deduced a trap composed of 48 places in 1373 ms of which 0 ms to minimize.
[2023-03-17 22:06:56] [INFO ] Deduced a trap composed of 40 places in 808 ms of which 1 ms to minimize.
[2023-03-17 22:06:57] [INFO ] Deduced a trap composed of 24 places in 748 ms of which 0 ms to minimize.
[2023-03-17 22:06:58] [INFO ] Deduced a trap composed of 64 places in 872 ms of which 0 ms to minimize.
[2023-03-17 22:07:00] [INFO ] Deduced a trap composed of 64 places in 870 ms of which 1 ms to minimize.
[2023-03-17 22:07:01] [INFO ] Deduced a trap composed of 64 places in 1042 ms of which 1 ms to minimize.
[2023-03-17 22:07:03] [INFO ] Deduced a trap composed of 40 places in 1234 ms of which 0 ms to minimize.
[2023-03-17 22:07:04] [INFO ] Deduced a trap composed of 40 places in 1091 ms of which 0 ms to minimize.
[2023-03-17 22:07:06] [INFO ] Deduced a trap composed of 40 places in 983 ms of which 1 ms to minimize.
[2023-03-17 22:07:07] [INFO ] Deduced a trap composed of 40 places in 1046 ms of which 1 ms to minimize.
[2023-03-17 22:07:08] [INFO ] Deduced a trap composed of 48 places in 995 ms of which 5 ms to minimize.
[2023-03-17 22:07:10] [INFO ] Deduced a trap composed of 64 places in 860 ms of which 1 ms to minimize.
[2023-03-17 22:07:11] [INFO ] Deduced a trap composed of 64 places in 654 ms of which 0 ms to minimize.
[2023-03-17 22:07:12] [INFO ] Deduced a trap composed of 48 places in 918 ms of which 0 ms to minimize.
[2023-03-17 22:07:13] [INFO ] Deduced a trap composed of 40 places in 643 ms of which 0 ms to minimize.
[2023-03-17 22:07:16] [INFO ] Deduced a trap composed of 48 places in 834 ms of which 0 ms to minimize.
[2023-03-17 22:07:17] [INFO ] Deduced a trap composed of 65 places in 731 ms of which 0 ms to minimize.
[2023-03-17 22:07:18] [INFO ] Deduced a trap composed of 64 places in 829 ms of which 1 ms to minimize.
[2023-03-17 22:07:19] [INFO ] Deduced a trap composed of 64 places in 564 ms of which 0 ms to minimize.
[2023-03-17 22:07:20] [INFO ] Trap strengthening (SAT) tested/added 23/22 trap constraints in 32344 ms
[2023-03-17 22:07:22] [INFO ] Computed and/alt/rep : 1/9/1 causal constraints (skipped 18323 transitions) in 2081 ms.
[2023-03-17 22:07:23] [INFO ] Added : 0 causal constraints over 0 iterations in 3238 ms. Result :sat
Interrupted Parikh directed walk after 44033 steps, including 44033 resets, run timeout after 30001 ms. (steps per millisecond=1 )
Parikh directed walk for 44033 steps, including 44033 resets, run took 30001 ms. (steps per millisecond=1 )
Random directed walk for 500000 steps, including 0 resets, run took 20950 ms (no deadlock found). (steps per millisecond=23 )
Random walk for 500000 steps, including 0 resets, run took 15598 ms (no deadlock found). (steps per millisecond=32 )
Random directed walk for 500026 steps, including 0 resets, run took 21147 ms (no deadlock found). (steps per millisecond=23 )
Random walk for 500000 steps, including 0 resets, run took 15115 ms (no deadlock found). (steps per millisecond=33 )
[2023-03-17 22:09:08] [INFO ] Flatten gal took : 1106 ms
[2023-03-17 22:09:08] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 1 ms.
[2023-03-17 22:09:08] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 639 places, 31353 transitions and 125418 arcs took 91 ms.
Total runtime 440905 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT RERS17pb113-PT-8
BK_EXAMINATION: ReachabilityDeadlock
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/372
GlobalProperty: ReachabilityDeadlock
TIME LIMIT: Killed by timeout after 1800 seconds
MemTotal: 16393216 kB
MemFree: 1965000 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16126228 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/372/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/372/model.pnml
lola: STP: formula with 20112912 variables and 99250369 clauses shipped to Minisat
lola: caught signal Terminated - aborting LoLA

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY


Time elapsed: 1357 secs. Pages in use: 6

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="RERS17pb113-PT-8"
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 RERS17pb113-PT-8, 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 r341-tall-167889213500036"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RERS17pb113-PT-8.tgz
mv RERS17pb113-PT-8 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 ;