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-167891824500181.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)
..........................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is SafeBus-PT-20, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r373-smll-167891824500181
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 21M
-rw-r--r-- 1 mcc users 94K Feb 26 02:45 CTLCardinality.txt
-rw-r--r-- 1 mcc users 478K Feb 26 02:45 CTLCardinality.xml
-rw-r--r-- 1 mcc users 709K Feb 26 02:36 CTLFireability.txt
-rw-r--r-- 1 mcc users 2.9M Feb 26 02:36 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 38K Feb 25 16:49 LTLCardinality.txt
-rw-r--r-- 1 mcc users 150K Feb 25 16:49 LTLCardinality.xml
-rw-r--r-- 1 mcc users 102K Feb 25 16:49 LTLFireability.txt
-rw-r--r-- 1 mcc users 391K Feb 25 16:49 LTLFireability.xml
-rw-r--r-- 1 mcc users 85K Feb 26 04:06 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 483K Feb 26 04:06 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 1.5M Feb 26 04:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 5.8M Feb 26 04:00 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 7.0K Feb 25 16:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 20K 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 7.8M 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 1679052613261

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-20
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-17 11:30:16] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2023-03-17 11:30:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 11:30:17] [INFO ] Load time of PNML (sax parser for PT used): 733 ms
[2023-03-17 11:30:17] [INFO ] Transformed 1026 places.
[2023-03-17 11:30:17] [INFO ] Transformed 10461 transitions.
[2023-03-17 11:30:17] [INFO ] Parsed PT model containing 1026 places and 10461 transitions and 77364 arcs in 948 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 20 places and 0 transitions.
Built sparse matrix representations for Structural reductions in 18 ms.38178KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 1006/1006 places, 10461/10461 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 6620 ms. Remains 1006 /1006 variables (removed 0) and now considering 10461/10461 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 6624 ms. Remains : 1006/1006 places, 10461/10461 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 1006/1006 places, 10461/10461 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 5719 ms. Remains 1006 /1006 variables (removed 0) and now considering 10461/10461 (removed 0) transitions.
[2023-03-17 11:30:29] [INFO ] Flow matrix only has 2482 transitions (discarded 7979 similar events)
// Phase 1: matrix 2482 rows 1006 cols
[2023-03-17 11:30:30] [INFO ] Computed 85 place invariants in 353 ms
[2023-03-17 11:30:34] [INFO ] Implicit Places using invariants in 4531 ms returned [928]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 4616 ms to find 1 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 1 : 1005/1006 places, 10461/10461 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 1005 transition count 10460
Deduced a syphon composed of 1 places in 13 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 1004 transition count 10460
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 6646 ms. Remains 1004 /1005 variables (removed 1) and now considering 10460/10461 (removed 1) transitions.
[2023-03-17 11:30:41] [INFO ] Flow matrix only has 2481 transitions (discarded 7979 similar events)
// Phase 1: matrix 2481 rows 1004 cols
[2023-03-17 11:30:41] [INFO ] Computed 84 place invariants in 96 ms
[2023-03-17 11:30:45] [INFO ] Implicit Places using invariants in 4231 ms returned [926, 927, 928, 929, 930, 931, 932, 933, 934, 935, 936, 937, 938, 939, 940, 941, 942, 943, 944]
Discarding 19 places :
Implicit Place search using SMT only with invariants took 4257 ms to find 19 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 2 : 985/1006 places, 10460/10461 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Performed 19 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 19 Pre rules applied. Total rules applied 0 place count 985 transition count 10441
Deduced a syphon composed of 19 places in 15 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 0 with 38 rules applied. Total rules applied 38 place count 966 transition count 10441
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 38 rules in 6001 ms. Remains 966 /985 variables (removed 19) and now considering 10441/10460 (removed 19) transitions.
[2023-03-17 11:30:51] [INFO ] Flow matrix only has 2462 transitions (discarded 7979 similar events)
// Phase 1: matrix 2462 rows 966 cols
[2023-03-17 11:30:51] [INFO ] Computed 65 place invariants in 54 ms
[2023-03-17 11:30:55] [INFO ] Implicit Places using invariants in 3925 ms returned []
Implicit Place search using SMT only with invariants took 3928 ms to find 0 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 3 : 966/1006 places, 10441/10461 transitions.
Finished structural reductions in DEADLOCK mode , in 3 iterations and 31170 ms. Remains : 966/1006 places, 10441/10461 transitions.
Interrupted Random walk after 812019 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=27 )
Interrupted Random directed walk after 1197588 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=39 )
[2023-03-17 11:31:55] [INFO ] Flow matrix only has 2462 transitions (discarded 7979 similar events)
[2023-03-17 11:31:55] [INFO ] Invariant cache hit.
[2023-03-17 11:31:58] [INFO ] [Real]Absence check using 24 positive place invariants in 55 ms returned sat
[2023-03-17 11:32:04] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-17 11:32:07] [INFO ] [Real]Absence check using 24 positive and 41 generalized place invariants in 9119 ms returned unknown
Random directed walk for 500000 steps, including 0 resets, run took 12035 ms (no deadlock found). (steps per millisecond=41 )
Random walk for 500000 steps, including 0 resets, run took 18495 ms (no deadlock found). (steps per millisecond=27 )
Random directed walk for 500001 steps, including 0 resets, run took 11933 ms (no deadlock found). (steps per millisecond=41 )
Random walk for 500000 steps, including 0 resets, run took 19262 ms (no deadlock found). (steps per millisecond=25 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 966/966 places, 10441/10441 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 5769 ms. Remains 966 /966 variables (removed 0) and now considering 10441/10441 (removed 0) transitions.
[2023-03-17 11:33:14] [INFO ] Flow matrix only has 2462 transitions (discarded 7979 similar events)
[2023-03-17 11:33:14] [INFO ] Invariant cache hit.
[2023-03-17 11:33:19] [INFO ] Implicit Places using invariants in 4645 ms returned []
Implicit Place search using SMT only with invariants took 4648 ms to find 0 implicit places.
[2023-03-17 11:33:19] [INFO ] Flow matrix only has 2462 transitions (discarded 7979 similar events)
[2023-03-17 11:33:19] [INFO ] Invariant cache hit.
[2023-03-17 11:33:29] [INFO ] Dead Transitions using invariants and state equation in 10177 ms found 400 transitions.
Found 400 dead transitions using SMT.
Drop transitions removed 400 transitions
Dead transitions reduction (with SMT) removed 400 transitions
Starting structural reductions in DEADLOCK mode, iteration 1 : 966/966 places, 10041/10441 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 5032 ms. Remains 966 /966 variables (removed 0) and now considering 10041/10041 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 2 iterations and 25638 ms. Remains : 966/966 places, 10041/10441 transitions.
Interrupted Random walk after 821639 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=27 )
Random directed walk for 1250004 steps, including 0 resets, run took 29682 ms (no deadlock found). (steps per millisecond=42 )
[2023-03-17 11:34:34] [INFO ] Flow matrix only has 2462 transitions (discarded 7579 similar events)
// Phase 1: matrix 2462 rows 966 cols
[2023-03-17 11:34:34] [INFO ] Computed 65 place invariants in 39 ms
[2023-03-17 11:34:37] [INFO ] [Real]Absence check using 24 positive place invariants in 60 ms returned sat
[2023-03-17 11:34:39] [INFO ] [Real]Absence check using 24 positive and 41 generalized place invariants in 1868 ms returned sat
[2023-03-17 11:34:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 11:34:42] [INFO ] [Real]Absence check using state equation in 3693 ms returned sat
[2023-03-17 11:34:42] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 11:34:45] [INFO ] [Nat]Absence check using 24 positive place invariants in 83 ms returned sat
[2023-03-17 11:34:47] [INFO ] [Nat]Absence check using 24 positive and 41 generalized place invariants in 1917 ms returned sat
[2023-03-17 11:34:47] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 11:34:51] [INFO ] [Nat]Absence check using state equation in 3988 ms returned sat
[2023-03-17 11:34:51] [INFO ] State equation strengthened by 421 read => feed constraints.
[2023-03-17 11:34:53] [INFO ] [Nat]Added 421 Read/Feed constraints in 1823 ms returned sat
[2023-03-17 11:34:54] [INFO ] Deduced a trap composed of 99 places in 621 ms of which 6 ms to minimize.
[2023-03-17 11:34:54] [INFO ] Deduced a trap composed of 81 places in 559 ms of which 2 ms to minimize.
[2023-03-17 11:34:55] [INFO ] Deduced a trap composed of 81 places in 539 ms of which 2 ms to minimize.
[2023-03-17 11:34:56] [INFO ] Deduced a trap composed of 99 places in 440 ms of which 3 ms to minimize.
[2023-03-17 11:34:57] [INFO ] Deduced a trap composed of 81 places in 514 ms of which 1 ms to minimize.
[2023-03-17 11:34:57] [INFO ] Deduced a trap composed of 99 places in 515 ms of which 1 ms to minimize.
[2023-03-17 11:34:58] [INFO ] Deduced a trap composed of 81 places in 522 ms of which 1 ms to minimize.
[2023-03-17 11:34:58] [INFO ] Deduced a trap composed of 81 places in 513 ms of which 1 ms to minimize.
[2023-03-17 11:34:59] [INFO ] Deduced a trap composed of 81 places in 525 ms of which 1 ms to minimize.
[2023-03-17 11:35:00] [INFO ] Deduced a trap composed of 81 places in 513 ms of which 1 ms to minimize.
[2023-03-17 11:35:00] [INFO ] Deduced a trap composed of 99 places in 560 ms of which 1 ms to minimize.
[2023-03-17 11:35:01] [INFO ] Deduced a trap composed of 81 places in 520 ms of which 1 ms to minimize.
[2023-03-17 11:35:02] [INFO ] Deduced a trap composed of 99 places in 516 ms of which 0 ms to minimize.
[2023-03-17 11:35:05] [INFO ] Deduced a trap composed of 99 places in 516 ms of which 1 ms to minimize.
[2023-03-17 11:35:06] [INFO ] Deduced a trap composed of 81 places in 531 ms of which 1 ms to minimize.
[2023-03-17 11:35:06] [INFO ] Deduced a trap composed of 99 places in 514 ms of which 1 ms to minimize.
[2023-03-17 11:35:07] [INFO ] Deduced a trap composed of 81 places in 529 ms of which 1 ms to minimize.
[2023-03-17 11:35:08] [INFO ] Deduced a trap composed of 81 places in 512 ms of which 1 ms to minimize.
[2023-03-17 11:35:11] [INFO ] Deduced a trap composed of 81 places in 509 ms of which 0 ms to minimize.
[2023-03-17 11:35:12] [INFO ] Trap strengthening (SAT) tested/added 20/19 trap constraints in 19062 ms
[2023-03-17 11:35:13] [INFO ] Computed and/alt/rep : 40/60/40 causal constraints (skipped 2402 transitions) in 845 ms.
[2023-03-17 11:35:19] [INFO ] Added : 0 causal constraints over 0 iterations in 6849 ms. Result :unknown
Parikh directed walk for 26400 steps, including 1000 resets, run took 1370 ms. (steps per millisecond=19 )
Random directed walk for 500010 steps, including 0 resets, run took 13674 ms (no deadlock found). (steps per millisecond=36 )
Random walk for 500000 steps, including 0 resets, run took 18289 ms (no deadlock found). (steps per millisecond=27 )
Random directed walk for 500002 steps, including 0 resets, run took 12297 ms (no deadlock found). (steps per millisecond=40 )
Random walk for 500000 steps, including 0 resets, run took 18326 ms (no deadlock found). (steps per millisecond=27 )
[2023-03-17 11:36:24] [INFO ] Flatten gal took : 998 ms
[2023-03-17 11:36:24] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 2 ms.
[2023-03-17 11:36:24] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 1006 places, 10461 transitions and 76604 arcs took 90 ms.
Total runtime 368496 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT SafeBus-PT-20
BK_EXAMINATION: ReachabilityDeadlock
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/365
GlobalProperty: ReachabilityDeadlock
TIME LIMIT: Killed by timeout after 1800 seconds
MemTotal: 16393216 kB
MemFree: 11947492 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16092432 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/365/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/365/model.pnml
lola: STP: formula with 11568193 variables and 89761322 clauses shipped to Minisat
lola: SIPHON RESULT 1
lola: caught signal Terminated - aborting LoLA

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY


Time elapsed: 1426 secs. Pages in use: 5

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-20"
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-20, 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-167891824500181"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SafeBus-PT-20.tgz
mv SafeBus-PT-20 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 ;