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-167891824400149.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 Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r373-smll-167891824400149
=====================================================================

--------------------
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 Liveness

=== Now, execution of the tool begins

BK_START 1679045292544

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-COL-20
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-17 09:28:15] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2023-03-17 09:28:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 09:28:15] [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 09:28:15] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-17 09:28:16] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 961 ms
[2023-03-17 09:28:16] [INFO ] Detected 1 constant HL places corresponding to 20 PT places.
[2023-03-17 09:28:16] [INFO ] Imported 20 HL places and 14 HL transitions for a total of 1046 PT places and 179241.0 transition bindings in 28 ms.
[2023-03-17 09:28:16] [INFO ] Built PT skeleton of HLPN with 20 places and 14 transitions 68 arcs in 7 ms.
[2023-03-17 09:28:16] [INFO ] Skeletonized 0 HLPN properties in 1 ms.
[2023-03-17 09:28:16] [INFO ] Unfolded HLPN to a Petri net with 1046 places and 10501 transitions 76784 arcs in 245 ms.
[2023-03-17 09:28:16] [INFO ] Unfolded 0 HLPN properties in 1 ms.
[2023-03-17 09:28:16] [INFO ] Unfolded HLPN to a Petri net with 1046 places and 10501 transitions 76784 arcs in 111 ms.
[2023-03-17 09:28:16] [INFO ] Unfolded 14 HLPN properties in 3 ms.
[2023-03-17 09:28:16] [INFO ] Reduced 360 identical enabling conditions.
[2023-03-17 09:28:16] [INFO ] Built PT skeleton of HLPN with 20 places and 14 transitions 68 arcs in 0 ms.
[2023-03-17 09:28:16] [INFO ] Skeletonized 14 HLPN properties in 2 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 09:28:16] [INFO ] Unfolded HLPN to a Petri net with 1046 places and 10501 transitions 76784 arcs in 95 ms.
[2023-03-17 09:28:16] [INFO ] Unfolded 14 HLPN properties in 3 ms.
[2023-03-17 09:28:16] [INFO ] Reduced 360 identical enabling conditions.
Deduced a syphon composed of 20 places in 26 ms
Reduce places removed 40 places and 40 transitions.
Built sparse matrix representations for Structural reductions in 27 ms.53970KB 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 6058 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 6062 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 5450 ms. Remains 1006 /1006 variables (removed 0) and now considering 10461/10461 (removed 0) transitions.
[2023-03-17 09:28:28] [INFO ] Flow matrix only has 2482 transitions (discarded 7979 similar events)
// Phase 1: matrix 2482 rows 1006 cols
[2023-03-17 09:28:29] [INFO ] Computed 85 place invariants in 282 ms
[2023-03-17 09:28:29] [INFO ] Implicit Places using invariants in 999 ms returned []
Implicit Place search using SMT only with invariants took 1044 ms to find 0 implicit places.
[2023-03-17 09:28:29] [INFO ] Flow matrix only has 2482 transitions (discarded 7979 similar events)
[2023-03-17 09:28:29] [INFO ] Invariant cache hit.
[2023-03-17 09:28:39] [INFO ] Dead Transitions using invariants and state equation in 9598 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 : 1006/1006 places, 10061/10461 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 5290 ms. Remains 1006 /1006 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 2 iterations and 21389 ms. Remains : 1006/1006 places, 10061/10461 transitions.
Interrupted Random walk after 1000510 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=33 )
Random directed walk for 1250003 steps, including 0 resets, run took 26108 ms (no deadlock found). (steps per millisecond=47 )
[2023-03-17 09:29:40] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 09:29:40] [INFO ] Invariant cache hit.
[2023-03-17 09:29:43] [INFO ] [Real]Absence check using 41 positive place invariants in 79 ms returned sat
[2023-03-17 09:29:46] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-17 09:29:49] [INFO ] [Real]Absence check using 41 positive and 44 generalized place invariants in 5892 ms returned sat
[2023-03-17 09:29:49] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 09:29:53] [INFO ] [Real]Absence check using state equation in 4373 ms returned sat
[2023-03-17 09:29:54] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 09:29:56] [INFO ] [Nat]Absence check using 41 positive place invariants in 53 ms returned sat
[2023-03-17 09:29:56] [INFO ] [Nat]Absence check using 41 positive and 44 generalized place invariants in 271 ms returned sat
[2023-03-17 09:29:56] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 09:30:03] [INFO ] [Nat]Absence check using state equation in 6593 ms returned sat
[2023-03-17 09:30:03] [INFO ] State equation strengthened by 421 read => feed constraints.
[2023-03-17 09:30:06] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-17 09:30:09] [INFO ] [Nat]Added 421 Read/Feed constraints in 6216 ms returned unknown
Random directed walk for 500001 steps, including 0 resets, run took 11045 ms (no deadlock found). (steps per millisecond=45 )
Random walk for 500000 steps, including 0 resets, run took 14892 ms (no deadlock found). (steps per millisecond=33 )
Random directed walk for 500001 steps, including 0 resets, run took 11522 ms (no deadlock found). (steps per millisecond=43 )
Random walk for 500000 steps, including 0 resets, run took 15015 ms (no deadlock found). (steps per millisecond=33 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 1006/1006 places, 10061/10061 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 5251 ms. Remains 1006 /1006 variables (removed 0) and now considering 10061/10061 (removed 0) transitions.
[2023-03-17 09:31:07] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 09:31:07] [INFO ] Invariant cache hit.
[2023-03-17 09:31:07] [INFO ] Implicit Places using invariants in 213 ms returned []
Implicit Place search using SMT only with invariants took 214 ms to find 0 implicit places.
[2023-03-17 09:31:07] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 09:31:07] [INFO ] Invariant cache hit.
[2023-03-17 09:31:16] [INFO ] Dead Transitions using invariants and state equation in 8495 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 13961 ms. Remains : 1006/1006 places, 10061/10061 transitions.
Interrupted Random walk after 1007380 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=33 )
Random directed walk for 1250003 steps, including 0 resets, run took 25147 ms (no deadlock found). (steps per millisecond=49 )
[2023-03-17 09:32:11] [INFO ] Flow matrix only has 2482 transitions (discarded 7579 similar events)
[2023-03-17 09:32:11] [INFO ] Invariant cache hit.
[2023-03-17 09:32:14] [INFO ] [Real]Absence check using 41 positive place invariants in 98 ms returned sat
[2023-03-17 09:32:17] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-17 09:32:20] [INFO ] [Real]Absence check using 41 positive and 44 generalized place invariants in 6168 ms returned unknown
Random directed walk for 500002 steps, including 0 resets, run took 10284 ms (no deadlock found). (steps per millisecond=48 )
Random walk for 500000 steps, including 0 resets, run took 14730 ms (no deadlock found). (steps per millisecond=33 )
Random directed walk for 500009 steps, including 0 resets, run took 10306 ms (no deadlock found). (steps per millisecond=48 )
Random walk for 500000 steps, including 0 resets, run took 14768 ms (no deadlock found). (steps per millisecond=33 )
[2023-03-17 09:33:12] [INFO ] Flatten gal took : 1347 ms
[2023-03-17 09:33:12] [INFO ] Unfolded HLPN to a Petri net with 1046 places and 10501 transitions 76784 arcs in 39 ms.
[2023-03-17 09:33:12] [INFO ] Unfolded 14 HLPN properties in 2 ms.
Initial state reduction rules removed 1 formulas.
[2023-03-17 09:33:12] [INFO ] Reduced 360 identical enabling conditions.
Deduced a syphon composed of 20 places in 7 ms
Reduce places removed 40 places and 40 transitions.
Finished random walk after 1178 steps, including 0 resets, run visited all 13 properties in 129 ms. (steps per millisecond=9 )
Able to resolve query QuasiLiveness after proving 14 properties.
Deduced a syphon composed of 20 places in 6 ms
Reduce places removed 40 places and 40 transitions.
Unable to solve all queries for examination Liveness. Remains :14 assertions to prove.
No /home/mcc/execution/Liveness.xml examination file found. Proceeding without properties.
Parsed 14 properties from file /home/mcc/execution/Liveness.xml in 1 ms.
Working with output stream class java.io.PrintStream
Total runtime 298029 ms.
starting LoLA
BK_INPUT SafeBus-COL-20
BK_EXAMINATION: Liveness
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution
GlobalProperty: Liveness
TIME LIMIT: Killed by timeout after 1800 seconds
MemTotal: 16393216 kB
MemFree: 10755688 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16160336 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 Liveness -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/model.pnml
lola: reading pnml
lola: PNML file contains High-Level net
lola: finished parsing
lola: closed net file /home/mcc/execution/model.pnml
lola: TR BINDINGS
lola: TR BINDINGS DONE
lola: Places: 1046, Transitions: 10501
lola: @ trans C_free
lola: @ trans C_refuse
lola: @ trans loss_m
lola: @ trans loss_a
lola: @ trans I_ask1
lola: @ trans I_rec1
lola: @ trans I_reemit
lola: @ trans I_emit
lola: @ trans I_refused
lola: @ trans C_provide
lola: @ trans I_ask2
lola: @ trans I_rec2
lola: @ trans I_free
lola: @ trans Gto
lola: LAUNCH SYMM
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lola: reporting
lola: not produced: 10501
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lola: not produced: 10501
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lola: not produced: 10501
lola: reporting
lola: not produced: 10501
lola: caught signal Terminated - aborting LoLA

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY


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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="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-COL-20, 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-167891824400149"
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 [ "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 ;