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-oct2-158987942300226.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-15, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r187-oct2-158987942300226
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 216K
-rw-r--r-- 1 mcc users 3.4K Apr 12 12:09 CTLCardinality.txt
-rw-r--r-- 1 mcc users 18K Apr 12 12:09 CTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K Apr 11 13:35 CTLFireability.txt
-rw-r--r-- 1 mcc users 21K Apr 11 13:34 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:38 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Apr 14 12:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K 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 3.8K Apr 10 17:25 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 20K Apr 10 17:24 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Apr 10 00:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 10 00:01 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 1591284476817

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-04 15:27:59] [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 15:27:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-04 15:27:59] [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 15:27:59] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 663 ms
[2020-06-04 15:27:59] [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 15:27:59] [INFO ] Detected 1 constant HL places corresponding to 15 PT places.
[2020-06-04 15:27:59] [INFO ] Imported 20 HL places and 14 HL transitions for a total of 636 PT places and 59206.0 transition bindings in 88 ms.
[2020-06-04 15:27:59] [INFO ] Computed order based on color domains.
[2020-06-04 15:28:00] [INFO ] Unfolded HLPN to a Petri net with 636 places and 4801 transitions in 94 ms.
[2020-06-04 15:28:00] [INFO ] Unfolded HLPN properties in 0 ms.
Deduced a syphon composed of 15 places in 5 ms
Reduce places removed 30 places and 30 transitions.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 146 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 7 ms.28476KB memory used
Starting structural reductions, iteration 0 : 606/606 places, 4771/4771 transitions.
Applied a total of 0 rules in 1398 ms. Remains 606 /606 variables (removed 0) and now considering 4771/4771 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 606/606 places, 4771/4771 transitions.
Starting structural reductions, iteration 0 : 606/606 places, 4771/4771 transitions.
Applied a total of 0 rules in 1223 ms. Remains 606 /606 variables (removed 0) and now considering 4771/4771 (removed 0) transitions.
[2020-06-04 15:28:02] [INFO ] Flow matrix only has 1412 transitions (discarded 3359 similar events)
// Phase 1: matrix 1412 rows 606 cols
[2020-06-04 15:28:02] [INFO ] Computed 65 place invariants in 75 ms
[2020-06-04 15:28:09] [INFO ] Implicit Places using invariants in 6953 ms returned [496, 497, 498, 499, 500, 501, 502, 503, 504, 505, 506, 507, 508, 509, 510]
Discarding 15 places :
Implicit Place search using SMT only with invariants took 6994 ms to find 15 implicit places.
[2020-06-04 15:28:10] [INFO ] Redundant transitions in 320 ms returned []
[2020-06-04 15:28:10] [INFO ] Flow matrix only has 1412 transitions (discarded 3359 similar events)
// Phase 1: matrix 1412 rows 591 cols
[2020-06-04 15:28:10] [INFO ] Computed 50 place invariants in 64 ms
[2020-06-04 15:28:21] [INFO ] Dead Transitions using invariants and state equation in 11000 ms returned [211, 226, 241, 256, 271, 286, 301, 316, 331, 346, 361, 376, 391, 406, 421, 437, 452, 467, 482, 497, 512, 527, 542, 557, 572, 587, 602, 617, 632, 647, 663, 678, 693, 708, 723, 738, 753, 768, 783, 798, 813, 828, 843, 858, 873, 889, 904, 919, 934, 949, 964, 979, 994, 1009, 1024, 1039, 1054, 1069, 1084, 1099, 1115, 1130, 1145, 1160, 1175, 1190, 1205, 1220, 1235, 1250, 1265, 1280, 1295, 1310, 1325, 1341, 1356, 1371, 1386, 1401, 1416, 1431, 1446, 1461, 1476, 1491, 1506, 1521, 1536, 1551, 1567, 1582, 1597, 1612, 1627, 1642, 1657, 1672, 1687, 1702, 1717, 1732, 1747, 1762, 1777, 1793, 1808, 1823, 1838, 1853, 1868, 1883, 1898, 1913, 1928, 1943, 1958, 1973, 1988, 2003, 2019, 2034, 2049, 2064, 2079, 2094, 2109, 2124, 2139, 2154, 2169, 2184, 2199, 2214, 2229, 2245, 2260, 2275, 2290, 2305, 2320, 2335, 2350, 2365, 2380, 2395, 2410, 2425, 2440, 2455, 2471, 2486, 2501, 2516, 2531, 2546, 2561, 2576, 2591, 2606, 2621, 2636, 2651, 2666, 2681, 2697, 2712, 2727, 2742, 2757, 2772, 2787, 2802, 2817, 2832, 2847, 2862, 2877, 2892, 2907, 2923, 2938, 2953, 2968, 2983, 2998, 3013, 3028, 3043, 3058, 3073, 3088, 3103, 3118, 3133, 3149, 3164, 3179, 3194, 3209, 3224, 3239, 3254, 3269, 3284, 3299, 3314, 3329, 3344, 3359, 3375, 3390, 3405, 3420, 3435, 3450, 3465, 3480, 3495, 3510, 3525, 3540, 3555, 3570, 3585]
Found 225 dead transitions using SMT.
Drop transitions removed 225 transitions
Dead transitions reduction (with SMT) removed 225 transitions :[3585, 3570, 3555, 3540, 3525, 3510, 3495, 3480, 3465, 3450, 3435, 3420, 3405, 3390, 3375, 3359, 3344, 3329, 3314, 3299, 3284, 3269, 3254, 3239, 3224, 3209, 3194, 3179, 3164, 3149, 3133, 3118, 3103, 3088, 3073, 3058, 3043, 3028, 3013, 2998, 2983, 2968, 2953, 2938, 2923, 2907, 2892, 2877, 2862, 2847, 2832, 2817, 2802, 2787, 2772, 2757, 2742, 2727, 2712, 2697, 2681, 2666, 2651, 2636, 2621, 2606, 2591, 2576, 2561, 2546, 2531, 2516, 2501, 2486, 2471, 2455, 2440, 2425, 2410, 2395, 2380, 2365, 2350, 2335, 2320, 2305, 2290, 2275, 2260, 2245, 2229, 2214, 2199, 2184, 2169, 2154, 2139, 2124, 2109, 2094, 2079, 2064, 2049, 2034, 2019, 2003, 1988, 1973, 1958, 1943, 1928, 1913, 1898, 1883, 1868, 1853, 1838, 1823, 1808, 1793, 1777, 1762, 1747, 1732, 1717, 1702, 1687, 1672, 1657, 1642, 1627, 1612, 1597, 1582, 1567, 1551, 1536, 1521, 1506, 1491, 1476, 1461, 1446, 1431, 1416, 1401, 1386, 1371, 1356, 1341, 1325, 1310, 1295, 1280, 1265, 1250, 1235, 1220, 1205, 1190, 1175, 1160, 1145, 1130, 1115, 1099, 1084, 1069, 1054, 1039, 1024, 1009, 994, 979, 964, 949, 934, 919, 904, 889, 873, 858, 843, 828, 813, 798, 783, 768, 753, 738, 723, 708, 693, 678, 663, 647, 632, 617, 602, 587, 572, 557, 542, 527, 512, 497, 482, 467, 452, 437, 421, 406, 391, 376, 361, 346, 331, 316, 301, 286, 271, 256, 241, 226, 211]
Starting structural reductions, iteration 1 : 591/606 places, 4546/4771 transitions.
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 15 Pre rules applied. Total rules applied 0 place count 591 transition count 4531
Deduced a syphon composed of 15 places in 2 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 0 with 30 rules applied. Total rules applied 30 place count 576 transition count 4531
Applied a total of 30 rules in 1541 ms. Remains 576 /591 variables (removed 15) and now considering 4531/4546 (removed 15) transitions.
[2020-06-04 15:28:22] [INFO ] Flow matrix only has 1397 transitions (discarded 3134 similar events)
// Phase 1: matrix 1397 rows 576 cols
[2020-06-04 15:28:22] [INFO ] Computed 50 place invariants in 11 ms
[2020-06-04 15:28:25] [INFO ] Implicit Places using invariants in 2787 ms returned []
[2020-06-04 15:28:25] [INFO ] Flow matrix only has 1397 transitions (discarded 3134 similar events)
// Phase 1: matrix 1397 rows 576 cols
[2020-06-04 15:28:25] [INFO ] Computed 50 place invariants in 24 ms
[2020-06-04 15:28:28] [INFO ] State equation strengthened by 241 read => feed constraints.
[2020-06-04 15:28:49] [INFO ] Implicit Places using invariants and state equation in 24413 ms returned []
Implicit Place search using SMT with State Equation took 27212 ms to find 0 implicit places.
Finished structural reductions, in 2 iterations. Remains : 576/606 places, 4531/4771 transitions.
Random walk for 1250000 steps, including 0 resets, run took 11629 ms (no deadlock found). (steps per millisecond=107 )
Random directed walk for 1250014 steps, including 0 resets, run took 9357 ms (no deadlock found). (steps per millisecond=133 )
[2020-06-04 15:29:10] [INFO ] Flow matrix only has 1397 transitions (discarded 3134 similar events)
// Phase 1: matrix 1397 rows 576 cols
[2020-06-04 15:29:10] [INFO ] Computed 50 place invariants in 10 ms
[2020-06-04 15:29:12] [INFO ] [Real]Absence check using 20 positive place invariants in 19 ms returned sat
[2020-06-04 15:29:12] [INFO ] [Real]Absence check using 20 positive and 30 generalized place invariants in 45 ms returned sat
[2020-06-04 15:29:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 15:29:15] [INFO ] [Real]Absence check using state equation in 3086 ms returned sat
[2020-06-04 15:29:15] [INFO ] Solution in real domain found non-integer solution.
[2020-06-04 15:29:16] [INFO ] [Nat]Absence check using 20 positive place invariants in 36 ms returned sat
[2020-06-04 15:29:17] [INFO ] [Nat]Absence check using 20 positive and 30 generalized place invariants in 269 ms returned sat
[2020-06-04 15:29:17] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-04 15:29:21] [INFO ] [Nat]Absence check using state equation in 4655 ms returned sat
[2020-06-04 15:29:21] [INFO ] State equation strengthened by 241 read => feed constraints.
[2020-06-04 15:29:22] [INFO ] [Nat]Added 241 Read/Feed constraints in 246 ms returned sat
[2020-06-04 15:29:22] [INFO ] Deduced a trap composed of 87 places in 316 ms
[2020-06-04 15:29:23] [INFO ] Deduced a trap composed of 74 places in 778 ms
[2020-06-04 15:29:23] [INFO ] Deduced a trap composed of 74 places in 261 ms
[2020-06-04 15:29:24] [INFO ] Deduced a trap composed of 74 places in 722 ms
[2020-06-04 15:29:30] [INFO ] Deduced a trap composed of 61 places in 5644 ms
[2020-06-04 15:29:30] [INFO ] Deduced a trap composed of 100 places in 269 ms
[2020-06-04 15:29:31] [INFO ] Deduced a trap composed of 87 places in 255 ms
[2020-06-04 15:29:31] [INFO ] Deduced a trap composed of 87 places in 443 ms
[2020-06-04 15:29:31] [INFO ] Deduced a trap composed of 87 places in 182 ms
[2020-06-04 15:29:32] [INFO ] Trap strengthening (SAT) tested/added 10/9 trap constraints in 9981 ms
[2020-06-04 15:29:32] [INFO ] Computed and/alt/rep : 4516/176370/1382 causal constraints in 343 ms.
[2020-06-04 15:29:43] [INFO ] Added : 85 causal constraints over 17 iterations in 11769 ms. Result :unknown
Parikh directed walk for 201800 steps, including 201800 resets, run took 18818 ms. (steps per millisecond=10 )
Random directed walk for 500000 steps, including 0 resets, run took 3590 ms (no deadlock found). (steps per millisecond=139 )
Random walk for 500000 steps, including 0 resets, run took 4464 ms (no deadlock found). (steps per millisecond=112 )
Random directed walk for 500000 steps, including 0 resets, run took 3540 ms (no deadlock found). (steps per millisecond=141 )
Random walk for 500000 steps, including 0 resets, run took 4397 ms (no deadlock found). (steps per millisecond=113 )
[2020-06-04 15:30:19] [INFO ] Flatten gal took : 713 ms
[2020-06-04 15:30:19] [INFO ] Export to MCC properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 1 ms.
[2020-06-04 15:30:19] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml took 76 ms.
info: Time: 1800 - MCC
vrfy: Checking ReachabilityDeadlock @ SafeBus-COL-15 @ 1770 seconds
TIME LIMIT: Killed by timeout after 1800 seconds
MemTotal: 16427364 kB
MemFree: 15700888 kB
After kill :
MemTotal: 16427364 kB
MemFree: 16141352 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-15"
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-15, 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-oct2-158987942300226"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SafeBus-COL-15.tgz
mv SafeBus-COL-15 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 ;