Trace number 3386474

Some explanations

A solver is run under the control of another program named runsolver. runsolver is in charge of imposing the CPU time limit and the memory limit to the solver. It also monitors some information about the process. The trace of the execution of a solver is divided into four (or five) parts:
  1. SOLVER DATA
    This is the output of the solver (stdout and stderr).
    Note that some very long lines in this section may be truncated by your web browser ! In such a case, you may want to use the "Download as text" link to get the trace as a text file.

    When the --timestamp option is passed to the runsolver program, each line output by the solver is prepended with a timestamp which indicates at what time the line was output by the solver. Times are relative to the start of the program, given in seconds. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock time.

    As some 'v lines' may be very long (sometimes several megabytes), the 'v line' output by your solver may be split on several lines to help limit the size of the trace recorded in the database. In any case, the exact output of your solver is preserved in a trace file.
  2. VERIFIER DATA
    The output of the solver is piped to a verifier program which will search a value line "v " and, if found, will check that the given interpretation satisfies all constraints.
  3. CONVERSION SCRIPT DATA (Optionnal)
    When a conversion script is used, this section shows the messages that were output by the conversion script.
  4. WATCHER DATA
    This is the informations gathered by the runsolver program. It first prints the different limits. There's a first limit on CPU time set to X seconds (see the parameters in the trace). After this time has ellapsed, runsolver sends a SIGTERM and 2 seconds later a SIGKILL to the solver. For safety, there's also another limit set to X+30 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (see the parameters in the trace).
    Every ten seconds, the runsolver process fetches the content of /proc/loadavg, /proc/pid/stat and /proc/pid/statm (see man proc) and prints it as raw data. This is only recorded in case we need to investigate the behaviour of a solver. The memory used by the solver (vsize) is also given every ten seconds.
    When the solver exits, runsolver prints some informations such as status and time. CPU usage is the ratio CPU Time/Real Time.
  5. LAUNCHER DATA
    These informations are related to the script which will launch the solver. The most important informations are the command line given to the solver, the md5sum of the different files and the dump of the /proc/cpuinfo and /proc/meminfo which provides some useful information on the computer.

Solver answer on this benchmark

Solver NameAnswerCPU timeWall clock time
borg-sat 11.03.02-seq-random (fixed)SAT 1.49277 1.71047

General information on the benchmark

Namerandom/large/
unif-k3-r4.2-v2500-c10500-S1300417189-038-UNKNOWN.cnf
MD5SUM0ed8ade65938c7fcf06ab054c90e3de3
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.156975
Satisfiable
(Un)Satisfiability was proved
Number of variables2500
Number of clauses10500
Sum of the clauses size31500
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 310500
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data

0.37/0.60	c INFO: loaded portfolio from HOME/etc/borg-mix+class.random.pickle
0.37/0.61	c INFO: solving HOME/instance-3386474-1305586146.cnf
0.37/0.61	c INFO: computing task features
0.37/0.64	c INFO: computed variable-clause graph statistics
0.37/0.64	c INFO: computed clause balance statistics
0.57/0.83	c INFO: computed variable balance statistics
0.67/0.97	c INFO: computed small-clause counts
0.67/0.97	c INFO: computed Horn-clause counts
0.67/0.99	c INFO: computed variable graph statistics
0.67/0.99	c INFO: collected features for HOME/instance-3386474-1305586146.cnf in 0.38 s
0.78/1.02	c INFO: running hybridGM3@0 for 97 with 4999 remaining (b = 0.61)
0.80/1.68	s SATISFIABLE
0.80/1.68	v -1 2 -3 -4 5 -6 7 8 9 -10 11 12 13 14 15 -16 -17 18 -19 20 21 22 -23 24 25 26 -27 28 -29 -30 31 -32 33 -34 35 -36 37 38 -39 40 -41 42 -43 44 -45 46 -47 48 49 -50 -51 52 53 -54 -55 56 57 -58 59 60 -61 62 63 64 -65 66 67 68 69 70 71 72 73 74 75 76 -77 -78 -79 80 81 -82 83 84 85 86 -87 88 89 -90 91 -92 93 94 -95 -96 -97 -98 99 -100 -101 102 -103 -104 105 106 -107 108 -109 -110 -111 112 -113 -114 -115 116 117 -118 119 -120 -121 -122 -123 -124 -125 126 -127 -128 129 -130 131 132 133 134 -135 136 -137 -138 139 -140 141 142 143 -144 145 -146 -147 148 -149 150 151 -152 -153 -154 -155 -156 -157 -158 159 160 161 162 163 164 165 -166 167 -168 169 -170 -171 172 -173 -174 -175 176 177 178 -179 180 -181 182 -183 184 185 186 187 -188 189 -190 191 -192 -193 194 195 -196 -197 198 199 200 201 202 -203 -204 -205 206 207 208 -209 -210 -211 212 -213 214 215 216 -217 -218 -219 -220 221 -222 223 -224 -225 226 -227 -228 -229 230 231 -232 233 -234 235 236 -237 238 -239 -240 241 -242 -243 244 245 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Verifier Data

OK

Watcher Data

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 961)

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-3386474-1305586146/watcher-3386474-1305586146 -o /tmp/evaluation-result-3386474-1305586146/solver-3386474-1305586146 -C 5000 -W 5100 -M 15500 python HOME/solve HOME/etc/borg-mix+class.random.pickle HOME/instance-3386474-1305586146.cnf -seed 1471038449 -budget 5000 

running on 4 cores: 1,3,5,7

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 5100 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 15872000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 15923200 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 2.09 2.04 2.86 3/345 6496
/proc/meminfo: memFree=16695416/32951124 swapFree=54450792/67111528
[pid=6496] ppid=6494 vsize=15768 CPUtime=0 cores=1,3,5,7
/proc/6496/stat : 6496 (python) R 6494 6496 6454 0 -1 4202496 844 0 0 0 0 0 0 0 20 0 1 0 670212807 16146432 728 33554432000 4194304 5683644 140734555559376 18446744073709551615 4620076 0 0 16781312 2 0 0 0 17 5 0 0 0
/proc/6496/statm: 3943 731 334 364 0 430 0

[startup+0.07338 s]
/proc/loadavg: 2.09 2.04 2.86 3/345 6496
/proc/meminfo: memFree=16695416/32951124 swapFree=54450792/67111528
[pid=6496] ppid=6494 vsize=36512 CPUtime=0.04 cores=1,3,5,7
/proc/6496/stat : 6496 (python) R 6494 6496 6454 0 -1 4202496 1564 0 0 0 3 1 0 0 17 0 1 0 670212807 37388288 1400 33554432000 4194304 5683644 140734555559376 18446744073709551615 4540219 0 0 16781312 2 0 0 0 17 5 0 0 0
/proc/6496/statm: 9128 1401 452 364 0 945 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 36512

[startup+0.100389 s]
/proc/loadavg: 2.09 2.04 2.86 3/345 6496
/proc/meminfo: memFree=16695416/32951124 swapFree=54450792/67111528
[pid=6496] ppid=6494 vsize=50340 CPUtime=0.04 cores=1,3,5,7
/proc/6496/stat : 6496 (python) R 6494 6496 6454 0 -1 4202496 2009 0 0 0 3 1 0 0 17 0 1 0 670212807 51548160 1770 33554432000 4194304 5683644 140734555559376 18446744073709551615 246516830053 0 0 16781312 2 0 0 0 17 5 0 0 0
/proc/6496/statm: 12585 1770 480 364 0 1285 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 50340

[startup+0.300314 s]
/proc/loadavg: 2.09 2.04 2.86 3/345 6496
/proc/meminfo: memFree=16695416/32951124 swapFree=54450792/67111528
[pid=6496] ppid=6494 vsize=135584 CPUtime=0.16 cores=1,3,5,7
/proc/6496/stat : 6496 (python) S 6494 6496 6454 0 -1 4202496 5898 933 1 0 12 4 0 0 17 0 1 0 670212807 138838016 4132 33554432000 4194304 5683644 140734555559376 18446744073709551615 246516832256 0 2147483391 16781312 2 18446744071699453118 0 0 17 5 0 0 0
/proc/6496/statm: 33896 4132 1031 364 0 3082 0
Current children cumulated CPU time (s) 0.16
Current children cumulated vsize (KiB) 135584

[startup+0.700239 s]
/proc/loadavg: 2.09 2.04 2.86 3/345 6496
/proc/meminfo: memFree=16695416/32951124 swapFree=54450792/67111528
[pid=6496] ppid=6494 vsize=280528 CPUtime=0.47 cores=1,3,5,7
/proc/6496/stat : 6496 (python) R 6494 6496 6454 0 -1 4202496 9856 933 1 0 38 9 0 0 17 0 1 0 670212807 287260672 7516 33554432000 4194304 5683644 140734555559376 18446744073709551615 246516492681 0 0 16781312 2 0 0 0 17 5 0 0 0
/proc/6496/statm: 70132 7516 1826 364 0 6056 0
Current children cumulated CPU time (s) 0.47
Current children cumulated vsize (KiB) 280528

[startup+1.50006 s]
/proc/loadavg: 2.09 2.04 2.86 5/346 6501
/proc/meminfo: memFree=16658312/32951124 swapFree=54450792/67111528
[pid=6496] ppid=6494 vsize=289888 CPUtime=0.8 cores=1,3,5,7
/proc/6496/stat : 6496 (python) S 6494 6496 6454 0 -1 4202496 10296 933 1 0 70 10 0 0 18 0 2 0 670212807 296845312 7374 33554432000 4194304 5683644 140734555559376 18446744073709551615 246528660939 0 0 16781312 2 18446744073709551615 0 0 17 5 0 0 0
/proc/6496/statm: 72472 7374 1875 364 0 8390 0
Current children cumulated CPU time (s) 0.8
Current children cumulated vsize (KiB) 289888

Solver just ended. Dumping a history of the last processes samples

[startup+1.70103 s]
/proc/loadavg: 2.09 2.04 2.86 5/346 6501
/proc/meminfo: memFree=16658312/32951124 swapFree=54450792/67111528
[pid=6496] ppid=6494 vsize=290088 CPUtime=1.46 cores=1,3,5,7
/proc/6496/stat : 6496 (python) R 6494 6496 6454 0 -1 4202496 13793 8306 1 0 71 10 65 0 18 0 1 0 670212807 297050112 7374 33554432000 4194304 5683644 140734555559376 18446744073709551615 4967554 0 0 16781312 0 0 0 0 17 7 0 0 0
/proc/6496/statm: 72522 7374 1874 364 0 8446 0
Current children cumulated CPU time (s) 1.46
Current children cumulated vsize (KiB) 290088

Child status: 0
Real time (s): 1.71047
CPU time (s): 1.49277
CPU user time (s): 1.37579
CPU system time (s): 0.116982
CPU usage (%): 87.2727
Max. virtual memory (cumulated for all children) (KiB): 290088

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.37579
system time used= 0.116982
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 23198
page faults= 1
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 2736
involuntary context switches= 24

runsolver used 0.007998 second user time and 0.016997 second system time

The end

Launcher Data

Begin job on node134 at 2011-05-17 00:49:06
IDJOB=3386474
IDBENCH=82539
IDSOLVER=1872
FILE ID=node134/3386474-1305586146
RUNJOBID= node134-1305586144-6473
PBS_JOBID= 13350344
Free space on /tmp= 73548 MiB

SOLVER NAME= borg-sat 11.03.02-seq-random (fixed)
BENCH NAME= SAT11/random/large/unif-k3-r4.2-v2500-c10500-S1300417189-038-UNKNOWN.cnf
COMMAND LINE= python DIR/solve DIR/etc/borg-mix+class.random.pickle BENCHNAME -seed RANDOMSEED -budget TIMEOUT
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3386474-1305586146/watcher-3386474-1305586146 -o /tmp/evaluation-result-3386474-1305586146/solver-3386474-1305586146 -C 5000 -W 5100 -M 15500  python HOME/solve HOME/etc/borg-mix+class.random.pickle HOME/instance-3386474-1305586146.cnf -seed 1471038449 -budget 5000

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= 0ed8ade65938c7fcf06ab054c90e3de3
RANDOM SEED=1471038449

node134.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.831
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5333.66
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.831
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 16
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.67
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.831
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.83
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.831
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 18
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 7186.06
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 4
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.831
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.80
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 5
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.831
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 20
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.83
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 6
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.831
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.831
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 22
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.84
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      16695456 kB
Buffers:        169844 kB
Cached:         783336 kB
SwapCached:      16428 kB
Active:        4885976 kB
Inactive:     11127708 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      16695456 kB
SwapTotal:    67111528 kB
SwapFree:     54450792 kB
Dirty:           64064 kB
Writeback:           0 kB
AnonPages:    15051580 kB
Mapped:          18680 kB
Slab:            99600 kB
PageTables:      77312 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS: 72752048 kB
VmallocTotal: 34359738367 kB
VmallocUsed:     33868 kB
VmallocChunk: 34359703231 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 73520 MiB
End job on node134 at 2011-05-17 00:49:08