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-oct2-158987942300231.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-20, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r187-oct2-158987942300231
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 208K
-rw-r--r-- 1 mcc users 3.7K Apr 12 12:11 CTLCardinality.txt
-rw-r--r-- 1 mcc users 21K Apr 12 12:10 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Apr 11 13:51 CTLFireability.txt
-rw-r--r-- 1 mcc users 15K Apr 11 13:51 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:38 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.1K Apr 14 12:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 20K Apr 28 14:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Apr 14 12:50 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 28 14:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.2K Apr 10 17:26 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 15K Apr 10 17:26 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Apr 10 00:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 10 00:21 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 1591284481458

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-04 15:28:03] [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 15:28:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-04 15:28:03] [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 15:28:03] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 522 ms
[2020-06-04 15:28:03] [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 15:28:03] [INFO ] Detected 1 constant HL places corresponding to 20 PT places.
[2020-06-04 15:28:03] [INFO ] Imported 20 HL places and 14 HL transitions for a total of 1046 PT places and 179241.0 transition bindings in 29 ms.
[2020-06-04 15:28:03] [INFO ] Computed order based on color domains.
[2020-06-04 15:28:03] [INFO ] Unfolded HLPN to a Petri net with 1046 places and 10501 transitions in 78 ms.
[2020-06-04 15:28:03] [INFO ] Unfolded HLPN properties in 0 ms.
Deduced a syphon composed of 20 places in 10 ms
Reduce places removed 40 places and 40 transitions.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 145 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 11 ms.27221KB memory used
Starting structural reductions, iteration 0 : 1006/1006 places, 10461/10461 transitions.
Applied a total of 0 rules in 5684 ms. Remains 1006 /1006 variables (removed 0) and now considering 10461/10461 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 1006/1006 places, 10461/10461 transitions.
Starting structural reductions, iteration 0 : 1006/1006 places, 10461/10461 transitions.
Applied a total of 0 rules in 4647 ms. Remains 1006 /1006 variables (removed 0) and now considering 10461/10461 (removed 0) transitions.
[2020-06-04 15:28:14] [INFO ] Flow matrix only has 2482 transitions (discarded 7979 similar events)
// Phase 1: matrix 2482 rows 1006 cols
[2020-06-04 15:28:14] [INFO ] Computed 85 place invariants in 365 ms
[2020-06-04 15:28:21] [INFO ] Implicit Places using invariants in 7053 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 7130 ms to find 20 implicit places.
[2020-06-04 15:28:21] [INFO ] Flow matrix only has 2482 transitions (discarded 7979 similar events)
// Phase 1: matrix 2482 rows 986 cols
[2020-06-04 15:28:21] [INFO ] Computed 65 place invariants in 125 ms
[2020-06-04 15:28:51] [INFO ] Performed 5054/10461 'is it Dead' test of which 234 returned DEAD in 30 seconds.
[2020-06-04 15:29:21] [INFO ] Dead Transitions with SMT raised an exceptionSMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream closed (>= s912 1)") after 60148 ms
Found 400 dead transitions using SMT.
Drop transitions removed 400 transitions
Dead transitions reduction (with SMT) removed 400 transitions :[8380, 8360, 8340, 8320, 8300, 8280, 8260, 8240, 8220, 8200, 8180, 8160, 8140, 8120, 8100, 8080, 8060, 8040, 8020, 8000, 7979, 7959, 7939, 7919, 7899, 7879, 7859, 7839, 7819, 7799, 7779, 7759, 7739, 7719, 7699, 7679, 7659, 7639, 7619, 7599, 7578, 7558, 7538, 7518, 7498, 7478, 7458, 7438, 7418, 7398, 7378, 7358, 7338, 7318, 7298, 7278, 7258, 7238, 7218, 7198, 7177, 7157, 7137, 7117, 7097, 7077, 7057, 7037, 7017, 6997, 6977, 6957, 6937, 6917, 6897, 6877, 6857, 6837, 6817, 6797, 6776, 6756, 6736, 6716, 6696, 6676, 6656, 6636, 6616, 6596, 6576, 6556, 6536, 6516, 6496, 6476, 6456, 6436, 6416, 6396, 6375, 6355, 6335, 6315, 6295, 6275, 6255, 6235, 6215, 6195, 6175, 6155, 6135, 6115, 6095, 6075, 6055, 6035, 6015, 5995, 5974, 5954, 5934, 5914, 5894, 5874, 5854, 5834, 5814, 5794, 5774, 5754, 5734, 5714, 5694, 5674, 5654, 5634, 5614, 5594, 5573, 5553, 5533, 5513, 5493, 5473, 5453, 5433, 5413, 5393, 5373, 5353, 5333, 5313, 5293, 5273, 5253, 5233, 5213, 5193, 5172, 5152, 5132, 5112, 5092, 5072, 5052, 5032, 5012, 4992, 4972, 4952, 4932, 4912, 4892, 4872, 4852, 4832, 4812, 4792, 4771, 4751, 4731, 4711, 4691, 4671, 4651, 4631, 4611, 4591, 4571, 4551, 4531, 4511, 4491, 4471, 4451, 4431, 4411, 4391, 4370, 4350, 4330, 4310, 4290, 4270, 4250, 4230, 4210, 4190, 4170, 4150, 4130, 4110, 4090, 4070, 4050, 4030, 4010, 3990, 3969, 3949, 3929, 3909, 3889, 3869, 3849, 3829, 3809, 3789, 3769, 3749, 3729, 3709, 3689, 3669, 3649, 3629, 3609, 3589, 3568, 3548, 3528, 3508, 3488, 3468, 3448, 3428, 3408, 3388, 3368, 3348, 3328, 3308, 3288, 3268, 3248, 3228, 3208, 3188, 3167, 3147, 3127, 3107, 3087, 3067, 3047, 3027, 3007, 2987, 2967, 2947, 2927, 2907, 2887, 2867, 2847, 2827, 2807, 2787, 2766, 2746, 2726, 2706, 2686, 2666, 2646, 2626, 2606, 2586, 2566, 2546, 2526, 2506, 2486, 2466, 2446, 2426, 2406, 2386, 2365, 2345, 2325, 2305, 2285, 2265, 2245, 2225, 2205, 2185, 2165, 2145, 2125, 2105, 2085, 2065, 2045, 2025, 2005, 1985, 1964, 1944, 1924, 1904, 1884, 1864, 1844, 1824, 1804, 1784, 1764, 1744, 1724, 1704, 1684, 1664, 1644, 1624, 1604, 1584, 1563, 1543, 1523, 1503, 1483, 1463, 1443, 1423, 1403, 1383, 1363, 1343, 1323, 1303, 1283, 1263, 1243, 1223, 1203, 1183, 1162, 1142, 1122, 1102, 1082, 1062, 1042, 1022, 1002, 982, 962, 942, 922, 902, 882, 862, 842, 822, 802, 782, 761, 741, 721, 701, 681, 661, 641, 621, 601, 581, 561, 541, 521, 501, 481, 461, 441, 421, 401, 381]
Starting structural reductions, iteration 1 : 986/1006 places, 10061/10461 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 10041
Deduced a syphon composed of 20 places in 23 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 10041
Applied a total of 40 rules in 4776 ms. Remains 966 /986 variables (removed 20) and now considering 10041/10061 (removed 20) transitions.
[2020-06-04 15:29:26] [INFO ] Flow matrix only has 2462 transitions (discarded 7579 similar events)
// Phase 1: matrix 2462 rows 966 cols
[2020-06-04 15:29:26] [INFO ] Computed 65 place invariants in 78 ms
[2020-06-04 15:29:39] [INFO ] Implicit Places using invariants in 12979 ms returned []
Implicit Place search using SMT only with invariants took 12980 ms to find 0 implicit places.
Finished structural reductions, in 2 iterations. Remains : 966/1006 places, 10041/10461 transitions.
Random walk for 1250000 steps, including 0 resets, run took 24091 ms (no deadlock found). (steps per millisecond=51 )
Random directed walk for 1250015 steps, including 0 resets, run took 18351 ms (no deadlock found). (steps per millisecond=68 )
[2020-06-04 15:30:21] [INFO ] Flow matrix only has 2462 transitions (discarded 7579 similar events)
// Phase 1: matrix 2462 rows 966 cols
[2020-06-04 15:30:21] [INFO ] Computed 65 place invariants in 25 ms
[2020-06-04 15:30:25] [INFO ] [Real]Absence check using 24 positive place invariants in 35 ms returned sat
[2020-06-04 15:30:25] [INFO ] [Real]Absence check using 24 positive and 41 generalized place invariants in 107 ms returned sat
[2020-06-04 15:30:25] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 15:30:32] [INFO ] [Real]Absence check using state equation in 6707 ms returned sat
[2020-06-04 15:30:32] [INFO ] Solution in real domain found non-integer solution.
[2020-06-04 15:30:38] [INFO ] [Nat]Absence check using 24 positive place invariants in 36 ms returned sat
[2020-06-04 15:30:39] [INFO ] [Nat]Absence check using 24 positive and 41 generalized place invariants in 1120 ms returned sat
[2020-06-04 15:30:39] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-04 15:30:47] [INFO ] [Nat]Absence check using state equation in 8216 ms returned sat
[2020-06-04 15:30:47] [INFO ] State equation strengthened by 421 read => feed constraints.
[2020-06-04 15:30:48] [INFO ] [Nat]Added 421 Read/Feed constraints in 1378 ms returned sat
[2020-06-04 15:30:50] [INFO ] Deduced a trap composed of 99 places in 1072 ms
[2020-06-04 15:30:51] [INFO ] Deduced a trap composed of 81 places in 1221 ms
[2020-06-04 15:30:52] [INFO ] Deduced a trap composed of 81 places in 486 ms
[2020-06-04 15:30:53] [INFO ] Deduced a trap composed of 117 places in 502 ms
[2020-06-04 15:30:53] [INFO ] Deduced a trap composed of 153 places in 408 ms
[2020-06-04 15:30:54] [INFO ] Deduced a trap composed of 153 places in 356 ms
[2020-06-04 15:30:55] [INFO ] Deduced a trap composed of 153 places in 1053 ms
[2020-06-04 15:30:55] [INFO ] Deduced a trap composed of 153 places in 358 ms
[2020-06-04 15:30:56] [INFO ] Deduced a trap composed of 153 places in 632 ms
[2020-06-04 15:30:56] [INFO ] Trap strengthening (SAT) tested/added 10/9 trap constraints in 7695 ms
[2020-06-04 15:30:57] [INFO ] Computed and/alt/rep : 10021/537560/2442 causal constraints in 806 ms.
[2020-06-04 15:31:18] [INFO ] Added : 120 causal constraints over 24 iterations in 21680 ms.(timeout) Result :sat
Attempting to minimize the solution found.
Minimization took 1013 ms.
Parikh directed walk for 330500 steps, including 1000 resets, run took 8655 ms. (steps per millisecond=38 )
Random directed walk for 500001 steps, including 0 resets, run took 8166 ms (no deadlock found). (steps per millisecond=61 )
Random walk for 500000 steps, including 0 resets, run took 10097 ms (no deadlock found). (steps per millisecond=49 )
Random directed walk for 500000 steps, including 0 resets, run took 8193 ms (no deadlock found). (steps per millisecond=61 )
Random walk for 500000 steps, including 0 resets, run took 10126 ms (no deadlock found). (steps per millisecond=49 )
[2020-06-04 15:32:06] [INFO ] Flatten gal took : 1301 ms
[2020-06-04 15:32:06] [INFO ] Export to MCC properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 0 ms.
[2020-06-04 15:32:06] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml took 105 ms.
info: Time: 1800 - MCC
vrfy: Checking ReachabilityDeadlock @ SafeBus-COL-20 @ 1770 seconds
TIME LIMIT: Killed by timeout after 1800 seconds
MemTotal: 16427332 kB
MemFree: 15624496 kB
After kill :
MemTotal: 16427332 kB
MemFree: 16137376 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-20"
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-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 r187-oct2-158987942300231"
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 ;