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-oct2-158987942400256.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-PT-10, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r187-oct2-158987942400256
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.7M
-rw-r--r-- 1 mcc users 12K Apr 12 12:08 CTLCardinality.txt
-rw-r--r-- 1 mcc users 48K Apr 12 12:08 CTLCardinality.xml
-rw-r--r-- 1 mcc users 123K Apr 11 13:21 CTLFireability.txt
-rw-r--r-- 1 mcc users 392K Apr 11 13:21 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:38 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 15K Apr 14 12:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 66K Apr 28 14:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 54K Apr 14 12:50 LTLFireability.txt
-rw-r--r-- 1 mcc users 179K Apr 28 14:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.2K Apr 10 17:24 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 30K Apr 10 17:24 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 21K Apr 9 23:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K Apr 9 23:53 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 3.4K Apr 10 22:28 UpperBounds.txt
-rw-r--r-- 1 mcc users 7.9K Apr 10 22:28 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 24 05:38 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 24 05:38 instance
-rw-r--r-- 1 mcc users 6 Mar 24 05:38 iscolored
-rw-r--r-- 1 mcc users 1.7M 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 1591284513368

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-04 15:28:36] [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 15:28:36] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-04 15:28:36] [INFO ] Load time of PNML (sax parser for PT used): 124 ms
[2020-06-04 15:28:36] [INFO ] Transformed 316 places.
[2020-06-04 15:28:36] [INFO ] Transformed 1631 transitions.
[2020-06-04 15:28:36] [INFO ] Parsed PT model containing 316 places and 1631 transitions in 180 ms.
Reduce places removed 10 places and 0 transitions.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 58 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 8 ms.10520KB memory used
Starting structural reductions, iteration 0 : 306/306 places, 1631/1631 transitions.
Applied a total of 0 rules in 279 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 242 ms. Remains 306 /306 variables (removed 0) and now considering 1631/1631 (removed 0) transitions.
[2020-06-04 15:28:37] [INFO ] Flow matrix only has 642 transitions (discarded 989 similar events)
// Phase 1: matrix 642 rows 306 cols
[2020-06-04 15:28:37] [INFO ] Computed 45 place invariants in 25 ms
[2020-06-04 15:28:39] [INFO ] Implicit Places using invariants in 1971 ms returned [266, 267, 268, 269, 270, 271, 272, 273, 274, 275]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 2012 ms to find 10 implicit places.
[2020-06-04 15:28:39] [INFO ] Redundant transitions in 109 ms returned []
[2020-06-04 15:28:39] [INFO ] Flow matrix only has 642 transitions (discarded 989 similar events)
// Phase 1: matrix 642 rows 296 cols
[2020-06-04 15:28:39] [INFO ] Computed 35 place invariants in 9 ms
[2020-06-04 15:28:42] [INFO ] Dead Transitions using invariants and state equation in 2595 ms returned [91, 102, 113, 124, 135, 146, 157, 168, 179, 190, 191, 202, 213, 224, 235, 246, 257, 268, 279, 290, 291, 302, 313, 324, 335, 346, 357, 368, 379, 390, 391, 402, 413, 424, 435, 446, 457, 468, 479, 490, 491, 502, 513, 524, 535, 546, 557, 568, 579, 590, 591, 602, 613, 624, 635, 646, 657, 668, 679, 690, 691, 702, 713, 724, 735, 746, 757, 768, 779, 790, 791, 802, 813, 824, 835, 846, 857, 868, 879, 890, 891, 902, 913, 924, 935, 946, 957, 968, 979, 990, 991, 1002, 1013, 1024, 1035, 1046, 1057, 1068, 1079, 1090]
Found 100 dead transitions using SMT.
Drop transitions removed 100 transitions
Dead transitions reduction (with SMT) removed 100 transitions :[1090, 1079, 1068, 1057, 1046, 1035, 1024, 1013, 1002, 991, 990, 979, 968, 957, 946, 935, 924, 913, 902, 891, 890, 879, 868, 857, 846, 835, 824, 813, 802, 791, 790, 779, 768, 757, 746, 735, 724, 713, 702, 691, 690, 679, 668, 657, 646, 635, 624, 613, 602, 591, 590, 579, 568, 557, 546, 535, 524, 513, 502, 491, 490, 479, 468, 457, 446, 435, 424, 413, 402, 391, 390, 379, 368, 357, 346, 335, 324, 313, 302, 291, 290, 279, 268, 257, 246, 235, 224, 213, 202, 191, 190, 179, 168, 157, 146, 135, 124, 113, 102, 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 5 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 400 ms. Remains 286 /296 variables (removed 10) and now considering 1521/1531 (removed 10) transitions.
[2020-06-04 15:28:42] [INFO ] Flow matrix only has 632 transitions (discarded 889 similar events)
// Phase 1: matrix 632 rows 286 cols
[2020-06-04 15:28:42] [INFO ] Computed 35 place invariants in 25 ms
[2020-06-04 15:28:45] [INFO ] Implicit Places using invariants in 2484 ms returned []
[2020-06-04 15:28:45] [INFO ] Flow matrix only has 632 transitions (discarded 889 similar events)
// Phase 1: matrix 632 rows 286 cols
[2020-06-04 15:28:45] [INFO ] Computed 35 place invariants in 9 ms
[2020-06-04 15:28:45] [INFO ] State equation strengthened by 111 read => feed constraints.
[2020-06-04 15:28:50] [INFO ] Implicit Places using invariants and state equation in 5066 ms returned []
Implicit Place search using SMT with State Equation took 7557 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 4436 ms (no deadlock found). (steps per millisecond=281 )
Random directed walk for 1250003 steps, including 0 resets, run took 3629 ms (no deadlock found). (steps per millisecond=344 )
[2020-06-04 15:28:58] [INFO ] Flow matrix only has 632 transitions (discarded 889 similar events)
// Phase 1: matrix 632 rows 286 cols
[2020-06-04 15:28:58] [INFO ] Computed 35 place invariants in 3 ms
[2020-06-04 15:28:58] [INFO ] [Real]Absence check using 14 positive place invariants in 8 ms returned sat
[2020-06-04 15:28:58] [INFO ] [Real]Absence check using 14 positive and 21 generalized place invariants in 23 ms returned sat
[2020-06-04 15:28:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 15:28:59] [INFO ] [Real]Absence check using state equation in 571 ms returned sat
[2020-06-04 15:28:59] [INFO ] Solution in real domain found non-integer solution.
[2020-06-04 15:29:00] [INFO ] [Nat]Absence check using 14 positive place invariants in 19 ms returned sat
[2020-06-04 15:29:00] [INFO ] [Nat]Absence check using 14 positive and 21 generalized place invariants in 58 ms returned sat
[2020-06-04 15:29:00] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-04 15:29:02] [INFO ] [Nat]Absence check using state equation in 1606 ms returned sat
[2020-06-04 15:29:02] [INFO ] State equation strengthened by 111 read => feed constraints.
[2020-06-04 15:29:02] [INFO ] [Nat]Added 111 Read/Feed constraints in 164 ms returned sat
[2020-06-04 15:29:02] [INFO ] Computed and/alt/rep : 1511/37380/622 causal constraints in 99 ms.
[2020-06-04 15:29:19] [INFO ] Added : 175 causal constraints over 35 iterations in 17298 ms. Result :sat
[2020-06-04 15:29:20] [INFO ] Deduced a trap composed of 57 places in 218 ms
[2020-06-04 15:29:20] [INFO ] Deduced a trap composed of 49 places in 154 ms
[2020-06-04 15:29:21] [INFO ] Deduced a trap composed of 49 places in 147 ms
[2020-06-04 15:29:24] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 15:29:26] [INFO ] Deduced a trap composed of 57 places in 313 ms
[2020-06-04 15:29:26] [INFO ] Deduced a trap composed of 41 places in 210 ms
[2020-06-04 15:29:27] [INFO ] Deduced a trap composed of 49 places in 339 ms
[2020-06-04 15:29:28] [INFO ] Deduced a trap composed of 41 places in 173 ms
[2020-06-04 15:29:28] [INFO ] Deduced a trap composed of 57 places in 73 ms
[2020-06-04 15:29:29] [INFO ] Deduced a trap composed of 49 places in 172 ms
[2020-06-04 15:29:29] [INFO ] Deduced a trap composed of 49 places in 180 ms
[2020-06-04 15:29:30] [INFO ] Deduced a trap composed of 49 places in 719 ms
[2020-06-04 15:29:31] [INFO ] Deduced a trap composed of 49 places in 191 ms
[2020-06-04 15:29:32] [INFO ] Deduced a trap composed of 41 places in 788 ms
[2020-06-04 15:29:33] [INFO ] Deduced a trap composed of 49 places in 156 ms
[2020-06-04 15:29:33] [INFO ] Deduced a trap composed of 41 places in 122 ms
[2020-06-04 15:29:33] [INFO ] Deduced a trap composed of 49 places in 193 ms
[2020-06-04 15:29:34] [INFO ] Deduced a trap composed of 49 places in 191 ms
[2020-06-04 15:29:34] [INFO ] Trap strengthening (SAT) tested/added 18/17 trap constraints in 14733 ms
Attempting to minimize the solution found.
Minimization took 221 ms.
Parikh directed walk for 136300 steps, including 1000 resets, run took 934 ms. (steps per millisecond=145 )
Random directed walk for 500000 steps, including 0 resets, run took 1334 ms (no deadlock found). (steps per millisecond=374 )
Random walk for 500000 steps, including 0 resets, run took 1651 ms (no deadlock found). (steps per millisecond=302 )
Random directed walk for 500000 steps, including 0 resets, run took 1326 ms (no deadlock found). (steps per millisecond=377 )
Random walk for 500000 steps, including 0 resets, run took 1586 ms (no deadlock found). (steps per millisecond=315 )
[2020-06-04 15:29:42] [INFO ] Flatten gal took : 289 ms
[2020-06-04 15:29:42] [INFO ] Export to MCC properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 6 ms.
[2020-06-04 15:29:42] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml took 22 ms.
info: Time: 1800 - MCC
vrfy: Checking ReachabilityDeadlock @ SafeBus-PT-10 @ 1770 seconds
TIME LIMIT: Killed by timeout after 1800 seconds
MemTotal: 16427332 kB
MemFree: 13752212 kB
After kill :
MemTotal: 16427332 kB
MemFree: 16153468 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-PT-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-PT-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-oct2-158987942400256"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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