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-167891824400146.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-COL-20, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r373-smll-167891824400146
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 504K
-rw-r--r-- 1 mcc users 7.0K Feb 26 02:44 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K Feb 26 02:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Feb 26 02:35 CTLFireability.txt
-rw-r--r-- 1 mcc users 38K Feb 26 02:35 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 16:49 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 16:49 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 16:49 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 16:49 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 26 04:05 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 135K Feb 26 04:05 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.8K Feb 26 03:59 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 82K Feb 26 03:59 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_pt
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 42K 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 1679045197152

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-COL-20
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-17 09:26:39] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2023-03-17 09:26:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 09:26:39] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2023-03-17 09:26:40] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-17 09:26:40] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 766 ms
[2023-03-17 09:26:40] [INFO ] Detected 1 constant HL places corresponding to 20 PT places.
[2023-03-17 09:26:40] [INFO ] Imported 20 HL places and 14 HL transitions for a total of 1046 PT places and 179241.0 transition bindings in 29 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 2 ms.
Working with output stream class java.io.PrintStream
[2023-03-17 09:26:40] [INFO ] Built PT skeleton of HLPN with 20 places and 14 transitions 68 arcs in 6 ms.
[2023-03-17 09:26:40] [INFO ] Skeletonized 1 HLPN properties in 0 ms.
Reduce places removed 3 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Prefix of Interest using HLPN skeleton for deadlock discarded 0 places and 0 transitions.
Domain [It(20), It(20)] of place AMC breaks symmetries in sort It
[2023-03-17 09:26:41] [INFO ] Unfolded HLPN to a Petri net with 1046 places and 10501 transitions 76784 arcs in 234 ms.
[2023-03-17 09:26:41] [INFO ] Unfolded 1 HLPN properties in 1 ms.
Deduced a syphon composed of 20 places in 33 ms
Reduce places removed 40 places and 40 transitions.
Built sparse matrix representations for Structural reductions in 13 ms.34845KB 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 6637 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 6642 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 6029 ms. Remains 1006 /1006 variables (removed 0) and now considering 10461/10461 (removed 0) transitions.
[2023-03-17 09:26:53] [INFO ] Flow matrix only has 2482 transitions (discarded 7979 similar events)
// Phase 1: matrix 2482 rows 1006 cols
[2023-03-17 09:26:54] [INFO ] Computed 85 place invariants in 201 ms
[2023-03-17 09:26:58] [INFO ] Implicit Places using invariants in 4440 ms returned [861, 862, 863, 864, 865, 866, 867, 868, 869, 870, 871, 872, 873, 874, 875, 876, 877, 878, 879, 880]
Discarding 20 places :
Implicit Place search using SMT only with invariants took 4503 ms to find 20 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 1 : 986/1006 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 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 20 Pre rules applied. Total rules applied 0 place count 986 transition count 10441
Deduced a syphon composed of 20 places in 7 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 0 with 40 rules applied. Total rules applied 40 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 40 rules in 6090 ms. Remains 966 /986 variables (removed 20) and now considering 10441/10461 (removed 20) transitions.
[2023-03-17 09:27:04] [INFO ] Flow matrix only has 2462 transitions (discarded 7979 similar events)
// Phase 1: matrix 2462 rows 966 cols
[2023-03-17 09:27:04] [INFO ] Computed 65 place invariants in 94 ms
[2023-03-17 09:27:07] [INFO ] Implicit Places using invariants in 3389 ms returned []
Implicit Place search using SMT only with invariants took 3390 ms to find 0 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 2 : 966/1006 places, 10441/10461 transitions.
Finished structural reductions in DEADLOCK mode , in 2 iterations and 20016 ms. Remains : 966/1006 places, 10441/10461 transitions.
Interrupted Random walk after 878763 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=29 )
Interrupted Random directed walk after 1178823 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=39 )
[2023-03-17 09:28:07] [INFO ] Flow matrix only has 2462 transitions (discarded 7979 similar events)
[2023-03-17 09:28:07] [INFO ] Invariant cache hit.
[2023-03-17 09:28:11] [INFO ] [Real]Absence check using 24 positive place invariants in 47 ms returned sat
[2023-03-17 09:28:14] [INFO ] [Real]Absence check using 24 positive and 41 generalized place invariants in 3083 ms returned sat
[2023-03-17 09:28:14] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 09:28:19] [INFO ] [Real]Absence check using state equation in 5341 ms returned sat
[2023-03-17 09:28:20] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 09:28:23] [INFO ] [Nat]Absence check using 24 positive place invariants in 263 ms returned sat
[2023-03-17 09:28:23] [INFO ] [Nat]Absence check using 24 positive and 41 generalized place invariants in 469 ms returned sat
[2023-03-17 09:28:23] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 09:28:27] [INFO ] [Nat]Absence check using state equation in 3852 ms returned sat
[2023-03-17 09:28:27] [INFO ] State equation strengthened by 421 read => feed constraints.
[2023-03-17 09:28:30] [INFO ] [Nat]Added 421 Read/Feed constraints in 2615 ms returned sat
[2023-03-17 09:28:30] [INFO ] Deduced a trap composed of 117 places in 662 ms of which 8 ms to minimize.
[2023-03-17 09:28:31] [INFO ] Deduced a trap composed of 81 places in 779 ms of which 2 ms to minimize.
[2023-03-17 09:28:33] [INFO ] Deduced a trap composed of 81 places in 730 ms of which 3 ms to minimize.
[2023-03-17 09:28:33] [INFO ] Deduced a trap composed of 81 places in 460 ms of which 2 ms to minimize.
[2023-03-17 09:28:34] [INFO ] Deduced a trap composed of 135 places in 545 ms of which 4 ms to minimize.
[2023-03-17 09:28:35] [INFO ] Deduced a trap composed of 99 places in 643 ms of which 2 ms to minimize.
[2023-03-17 09:28:36] [INFO ] Deduced a trap composed of 135 places in 739 ms of which 2 ms to minimize.
[2023-03-17 09:28:39] [INFO ] Trap strengthening (SAT) tested/added 7/7 trap constraints in 9001 ms
Parikh directed walk for 43500 steps, including 1000 resets, run took 1928 ms. (steps per millisecond=22 )
Random directed walk for 500001 steps, including 0 resets, run took 11235 ms (no deadlock found). (steps per millisecond=44 )
Random walk for 500000 steps, including 0 resets, run took 16748 ms (no deadlock found). (steps per millisecond=29 )
Random directed walk for 500000 steps, including 0 resets, run took 11685 ms (no deadlock found). (steps per millisecond=42 )
Random walk for 500000 steps, including 0 resets, run took 17224 ms (no deadlock found). (steps per millisecond=29 )
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 5812 ms. Remains 966 /966 variables (removed 0) and now considering 10441/10441 (removed 0) transitions.
[2023-03-17 09:29:43] [INFO ] Flow matrix only has 2462 transitions (discarded 7979 similar events)
[2023-03-17 09:29:43] [INFO ] Invariant cache hit.
[2023-03-17 09:29:47] [INFO ] Implicit Places using invariants in 4192 ms returned []
Implicit Place search using SMT only with invariants took 4197 ms to find 0 implicit places.
[2023-03-17 09:29:47] [INFO ] Flow matrix only has 2462 transitions (discarded 7979 similar events)
[2023-03-17 09:29:47] [INFO ] Invariant cache hit.
[2023-03-17 09:29:57] [INFO ] Dead Transitions using invariants and state equation in 9833 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 5192 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 25050 ms. Remains : 966/966 places, 10041/10441 transitions.
Interrupted Random walk after 917800 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=30 )
Random directed walk for 1250002 steps, including 0 resets, run took 29111 ms (no deadlock found). (steps per millisecond=42 )
[2023-03-17 09:31:02] [INFO ] Flow matrix only has 2462 transitions (discarded 7579 similar events)
[2023-03-17 09:31:02] [INFO ] Invariant cache hit.
[2023-03-17 09:31:04] [INFO ] [Real]Absence check using 24 positive place invariants in 44 ms returned sat
[2023-03-17 09:31:09] [INFO ] [Real]Absence check using 24 positive and 41 generalized place invariants in 4334 ms returned sat
[2023-03-17 09:31:09] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 09:31:12] [INFO ] [Real]Absence check using state equation in 3581 ms returned sat
[2023-03-17 09:31:12] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 09:31:15] [INFO ] [Nat]Absence check using 24 positive place invariants in 204 ms returned sat
[2023-03-17 09:31:16] [INFO ] [Nat]Absence check using 24 positive and 41 generalized place invariants in 429 ms returned sat
[2023-03-17 09:31:16] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 09:31:20] [INFO ] [Nat]Absence check using state equation in 4050 ms returned sat
[2023-03-17 09:31:20] [INFO ] State equation strengthened by 421 read => feed constraints.
[2023-03-17 09:31:23] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-17 09:31:24] [INFO ] [Nat]Added 421 Read/Feed constraints in 3967 ms returned sat
[2023-03-17 09:31:25] [INFO ] Deduced a trap composed of 135 places in 569 ms of which 1 ms to minimize.
[2023-03-17 09:31:25] [INFO ] Deduced a trap composed of 117 places in 591 ms of which 1 ms to minimize.
[2023-03-17 09:31:26] [INFO ] Deduced a trap composed of 117 places in 582 ms of which 1 ms to minimize.
[2023-03-17 09:31:27] [INFO ] Deduced a trap composed of 117 places in 530 ms of which 1 ms to minimize.
[2023-03-17 09:31:30] [INFO ] Trap strengthening (SAT) tested/added 4/4 trap constraints in 5737 ms
Parikh directed walk for 35000 steps, including 1000 resets, run took 1369 ms. (steps per millisecond=25 )
Random directed walk for 500004 steps, including 0 resets, run took 10820 ms (no deadlock found). (steps per millisecond=46 )
Random walk for 500000 steps, including 0 resets, run took 16401 ms (no deadlock found). (steps per millisecond=30 )
Random directed walk for 500000 steps, including 0 resets, run took 10919 ms (no deadlock found). (steps per millisecond=45 )
Random walk for 500000 steps, including 0 resets, run took 16172 ms (no deadlock found). (steps per millisecond=30 )
[2023-03-17 09:32:27] [INFO ] Flatten gal took : 1268 ms
[2023-03-17 09:32:27] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 2 ms.
[2023-03-17 09:32:27] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 1006 places, 10461 transitions and 76604 arcs took 88 ms.
Total runtime 347943 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT SafeBus-COL-20
BK_EXAMINATION: ReachabilityDeadlock
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/363
GlobalProperty: ReachabilityDeadlock
TIME LIMIT: Killed by timeout after 1800 seconds
MemTotal: 16393232 kB
MemFree: 6642172 kB
After kill :
MemTotal: 16393232 kB
MemFree: 16110848 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/363/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/363/model.pnml
lola: STP: formula with 11568193 variables and 89761322 clauses shipped to Minisat
lola: caught signal Terminated - aborting LoLA

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY


Time elapsed: 1449 secs. Pages in use: 4

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-COL-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-COL-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-167891824400146"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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