Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fko/mcc2020-input.r187-oct2-158987942300221.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fko/mcc2020-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itslola
Input is SafeBus-COL-10, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r187-oct2-158987942300221
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 204K
-rw-r--r-- 1 mcc users 3.4K Apr 12 12:08 CTLCardinality.txt
-rw-r--r-- 1 mcc users 18K Apr 12 12:08 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Apr 11 13:21 CTLFireability.txt
-rw-r--r-- 1 mcc users 19K Apr 11 13:20 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:38 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.3K Apr 14 12:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Apr 28 14:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K Apr 14 12:50 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 28 14:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.3K Apr 10 17:24 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 16K Apr 10 17:24 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Apr 9 23:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 15K Apr 9 23:53 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 10 22:28 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Apr 10 22:28 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 24 05:38 equiv_pt
-rw-r--r-- 1 mcc users 3 Mar 24 05:38 instance
-rw-r--r-- 1 mcc users 5 Mar 24 05:38 iscolored
-rw-r--r-- 1 mcc users 42K Mar 24 05:38 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 1591284472377

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-04 15:27:55] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -timeout, 1800, -rebuildPNML]
[2020-06-04 15:27:55] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-04 15:27:55] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
[2020-06-04 15:27:56] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 562 ms
[2020-06-04 15:27:56] [INFO ] sort/places :
Dom->AMC,wait_ack,
Dot->cable_free,ACK,T_out,R_tout,S_tout,FMCb,
It->Cpt2,Cpt1,msgl,cable_used,FMC,wait_cable,listen,RMC,PMC,MSG,wait_msg,loop_em,

[2020-06-04 15:27:56] [INFO ] Detected 1 constant HL places corresponding to 10 PT places.
[2020-06-04 15:27:56] [INFO ] Imported 20 HL places and 14 HL transitions for a total of 326 PT places and 12821.0 transition bindings in 35 ms.
[2020-06-04 15:27:56] [INFO ] Computed order based on color domains.
[2020-06-04 15:27:56] [INFO ] Unfolded HLPN to a Petri net with 326 places and 1651 transitions in 43 ms.
[2020-06-04 15:27:56] [INFO ] Unfolded HLPN properties in 0 ms.
Deduced a syphon composed of 10 places in 2 ms
Reduce places removed 20 places and 20 transitions.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 96 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 4 ms.15837KB memory used
Starting structural reductions, iteration 0 : 306/306 places, 1631/1631 transitions.
Applied a total of 0 rules in 337 ms. Remains 306 /306 variables (removed 0) and now considering 1631/1631 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 306/306 places, 1631/1631 transitions.
Starting structural reductions, iteration 0 : 306/306 places, 1631/1631 transitions.
Applied a total of 0 rules in 256 ms. Remains 306 /306 variables (removed 0) and now considering 1631/1631 (removed 0) transitions.
[2020-06-04 15:27:56] [INFO ] Flow matrix only has 642 transitions (discarded 989 similar events)
// Phase 1: matrix 642 rows 306 cols
[2020-06-04 15:27:57] [INFO ] Computed 45 place invariants in 36 ms
[2020-06-04 15:27:58] [INFO ] Implicit Places using invariants in 1197 ms returned [231, 232, 233, 234, 235, 236, 237, 238, 239, 240]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 1226 ms to find 10 implicit places.
[2020-06-04 15:27:58] [INFO ] Redundant transitions in 129 ms returned []
[2020-06-04 15:27:58] [INFO ] Flow matrix only has 642 transitions (discarded 989 similar events)
// Phase 1: matrix 642 rows 296 cols
[2020-06-04 15:27:58] [INFO ] Computed 35 place invariants in 9 ms
[2020-06-04 15:28:06] [INFO ] Dead Transitions using invariants and state equation in 7952 ms returned [91, 101, 111, 121, 131, 141, 151, 161, 171, 181, 192, 202, 212, 222, 232, 242, 252, 262, 272, 282, 293, 303, 313, 323, 333, 343, 353, 363, 373, 383, 394, 404, 414, 424, 434, 444, 454, 464, 474, 484, 495, 505, 515, 525, 535, 545, 555, 565, 575, 585, 596, 606, 616, 626, 636, 646, 656, 666, 676, 686, 697, 707, 717, 727, 737, 747, 757, 767, 777, 787, 798, 808, 818, 828, 838, 848, 858, 868, 878, 888, 899, 909, 919, 929, 939, 949, 959, 969, 979, 989, 1000, 1010, 1020, 1030, 1040, 1050, 1060, 1070, 1080, 1090]
Found 100 dead transitions using SMT.
Drop transitions removed 100 transitions
Dead transitions reduction (with SMT) removed 100 transitions :[1090, 1080, 1070, 1060, 1050, 1040, 1030, 1020, 1010, 1000, 989, 979, 969, 959, 949, 939, 929, 919, 909, 899, 888, 878, 868, 858, 848, 838, 828, 818, 808, 798, 787, 777, 767, 757, 747, 737, 727, 717, 707, 697, 686, 676, 666, 656, 646, 636, 626, 616, 606, 596, 585, 575, 565, 555, 545, 535, 525, 515, 505, 495, 484, 474, 464, 454, 444, 434, 424, 414, 404, 394, 383, 373, 363, 353, 343, 333, 323, 313, 303, 293, 282, 272, 262, 252, 242, 232, 222, 212, 202, 192, 181, 171, 161, 151, 141, 131, 121, 111, 101, 91]
Starting structural reductions, iteration 1 : 296/306 places, 1531/1631 transitions.
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 10 Pre rules applied. Total rules applied 0 place count 296 transition count 1521
Deduced a syphon composed of 10 places in 6 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 286 transition count 1521
Applied a total of 20 rules in 207 ms. Remains 286 /296 variables (removed 10) and now considering 1521/1531 (removed 10) transitions.
[2020-06-04 15:28:06] [INFO ] Flow matrix only has 632 transitions (discarded 889 similar events)
// Phase 1: matrix 632 rows 286 cols
[2020-06-04 15:28:06] [INFO ] Computed 35 place invariants in 10 ms
[2020-06-04 15:28:07] [INFO ] Implicit Places using invariants in 593 ms returned []
[2020-06-04 15:28:07] [INFO ] Flow matrix only has 632 transitions (discarded 889 similar events)
// Phase 1: matrix 632 rows 286 cols
[2020-06-04 15:28:07] [INFO ] Computed 35 place invariants in 13 ms
[2020-06-04 15:28:07] [INFO ] State equation strengthened by 111 read => feed constraints.
[2020-06-04 15:28:12] [INFO ] Implicit Places using invariants and state equation in 4934 ms returned []
Implicit Place search using SMT with State Equation took 5534 ms to find 0 implicit places.
Finished structural reductions, in 2 iterations. Remains : 286/306 places, 1521/1631 transitions.
Random walk for 1250000 steps, including 0 resets, run took 4537 ms (no deadlock found). (steps per millisecond=275 )
Random directed walk for 1250000 steps, including 0 resets, run took 4035 ms (no deadlock found). (steps per millisecond=309 )
[2020-06-04 15:28:20] [INFO ] Flow matrix only has 632 transitions (discarded 889 similar events)
// Phase 1: matrix 632 rows 286 cols
[2020-06-04 15:28:20] [INFO ] Computed 35 place invariants in 19 ms
[2020-06-04 15:28:21] [INFO ] [Real]Absence check using 14 positive place invariants in 26 ms returned sat
[2020-06-04 15:28:21] [INFO ] [Real]Absence check using 14 positive and 21 generalized place invariants in 32 ms returned sat
[2020-06-04 15:28:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 15:28:23] [INFO ] [Real]Absence check using state equation in 1505 ms returned sat
[2020-06-04 15:28:23] [INFO ] Solution in real domain found non-integer solution.
[2020-06-04 15:28:24] [INFO ] [Nat]Absence check using 14 positive place invariants in 17 ms returned sat
[2020-06-04 15:28:24] [INFO ] [Nat]Absence check using 14 positive and 21 generalized place invariants in 60 ms returned sat
[2020-06-04 15:28:24] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-04 15:28:25] [INFO ] [Nat]Absence check using state equation in 1080 ms returned sat
[2020-06-04 15:28:25] [INFO ] State equation strengthened by 111 read => feed constraints.
[2020-06-04 15:28:25] [INFO ] [Nat]Added 111 Read/Feed constraints in 137 ms returned sat
[2020-06-04 15:28:25] [INFO ] Deduced a trap composed of 49 places in 176 ms
[2020-06-04 15:28:25] [INFO ] Deduced a trap composed of 41 places in 184 ms
[2020-06-04 15:28:25] [INFO ] Deduced a trap composed of 49 places in 115 ms
[2020-06-04 15:28:26] [INFO ] Deduced a trap composed of 41 places in 99 ms
[2020-06-04 15:28:26] [INFO ] Deduced a trap composed of 41 places in 58 ms
[2020-06-04 15:28:26] [INFO ] Deduced a trap composed of 41 places in 68 ms
[2020-06-04 15:28:26] [INFO ] Deduced a trap composed of 41 places in 257 ms
[2020-06-04 15:28:26] [INFO ] Deduced a trap composed of 41 places in 123 ms
[2020-06-04 15:28:27] [INFO ] Deduced a trap composed of 41 places in 155 ms
[2020-06-04 15:28:28] [INFO ] Deduced a trap composed of 49 places in 1021 ms
[2020-06-04 15:28:28] [INFO ] Deduced a trap composed of 49 places in 130 ms
[2020-06-04 15:28:28] [INFO ] Trap strengthening (SAT) tested/added 12/11 trap constraints in 2942 ms
[2020-06-04 15:28:28] [INFO ] Computed and/alt/rep : 1511/37380/622 causal constraints in 122 ms.
[2020-06-04 15:28:37] [INFO ] Added : 115 causal constraints over 23 iterations in 9112 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 245 ms.
Parikh directed walk for 99100 steps, including 1000 resets, run took 873 ms. (steps per millisecond=113 )
Random directed walk for 500005 steps, including 0 resets, run took 1415 ms (no deadlock found). (steps per millisecond=353 )
Random walk for 500000 steps, including 0 resets, run took 1782 ms (no deadlock found). (steps per millisecond=280 )
Random directed walk for 500004 steps, including 0 resets, run took 1581 ms (no deadlock found). (steps per millisecond=316 )
Random walk for 500000 steps, including 0 resets, run took 1798 ms (no deadlock found). (steps per millisecond=278 )
[2020-06-04 15:28:45] [INFO ] Flatten gal took : 288 ms
[2020-06-04 15:28:45] [INFO ] Export to MCC properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 0 ms.
[2020-06-04 15:28:45] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml took 37 ms.
info: Time: 1800 - MCC
vrfy: Checking ReachabilityDeadlock @ SafeBus-COL-10 @ 1770 seconds
TIME LIMIT: Killed by timeout after 1800 seconds
MemTotal: 16427332 kB
MemFree: 13871700 kB
After kill :
MemTotal: 16427332 kB
MemFree: 16152364 kB

--------------------
content from stderr:

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-10"
export BK_EXAMINATION="ReachabilityDeadlock"
export BK_TOOL="itslola"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"

# 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 2-4028"
echo " Executing tool itslola"
echo " Input is SafeBus-COL-10, 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 r187-oct2-158987942300221"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SafeBus-COL-10.tgz
mv SafeBus-COL-10 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 ;