Trace number 3386489

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 1.11283 1.29044

General information on the benchmark

Namerandom/large/
unif-k3-r4.2-v2500-c10500-S722024572-014-UNKNOWN.cnf
MD5SUM875a8b1e044c25599d3c66c1e66d27f4
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.203968
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

0.32/0.53	c INFO: loaded portfolio from HOME/etc/borg-mix+class.random.pickle
0.32/0.53	c INFO: solving HOME/instance-3386489-1305586149.cnf
0.32/0.53	c INFO: computing task features
0.32/0.57	c INFO: computed variable-clause graph statistics
0.32/0.57	c INFO: computed clause balance statistics
0.51/0.75	c INFO: computed variable balance statistics
0.51/10.48	c INFO: computed small-clause counts
0.51/10.48	c INFO: computed Horn-clause counts
0.51/10.48	c INFO: computed variable graph statistics
0.51/10.48	c INFO: collected features for HOME/instance-3386489-1305586149.cnf in 0.39 s
0.51/10.48	c INFO: running hybridGM3@0 for 97 with 4999 remaining (b = 0.61)
0.51/10.48	s SATISFIABLE
0.51/10.48	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 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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-3386489-1305586149/watcher-3386489-1305586149 -o /tmp/evaluation-result-3386489-1305586149/solver-3386489-1305586149 -C 5000 -W 5100 -M 15500 python HOME/solve HOME/etc/borg-mix+class.random.pickle HOME/instance-3386489-1305586149.cnf -seed 865129503 -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: 2.08 2.07 3.63 4/483 19600
/proc/meminfo: memFree=4805664/32951132 swapFree=59792360/67111528
[pid=19600] ppid=19598 vsize=16236 CPUtime=0 cores=1,3,5,7
/proc/19600/stat : 19600 (python) R 19598 19600 19558 0 -1 4202496 1033 0 0 0 0 0 0 0 21 0 1 0 670213594 16625664 905 33554432000 4194304 5683644 140733562822656 18446744073709551615 242970007888 0 0 16781312 2 0 0 0 17 1 0 0 0
/proc/19600/statm: 4059 906 380 364 0 546 0

[startup+0.0970891 s]
/proc/loadavg: 2.08 2.07 3.63 4/483 19600
/proc/meminfo: memFree=4805664/32951132 swapFree=59792360/67111528
[pid=19600] ppid=19598 vsize=93956 CPUtime=0.06 cores=1,3,5,7
/proc/19600/stat : 19600 (python) S 19598 19600 19558 0 -1 4202496 2694 0 0 0 5 1 0 0 17 0 1 0 670213594 96210944 2406 33554432000 4194304 5683644 140733562822656 18446744073709551615 242970548224 0 2147483391 16781312 2 18446744071699109054 0 0 17 1 0 0 0
/proc/19600/statm: 23489 2406 764 364 0 1621 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 93956

[startup+0.101057 s]
/proc/loadavg: 2.08 2.07 3.63 4/483 19600
/proc/meminfo: memFree=4805664/32951132 swapFree=59792360/67111528
[pid=19600] ppid=19598 vsize=96948 CPUtime=0.06 cores=1,3,5,7
/proc/19600/stat : 19600 (python) R 19598 19600 19558 0 -1 4202496 2815 0 0 0 5 1 0 0 17 0 1 0 670213594 99274752 2519 33554432000 4194304 5683644 140733562822656 18446744073709551615 242970236624 0 0 16781312 2 0 0 0 17 1 0 0 0
/proc/19600/statm: 24237 2519 789 364 0 1685 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 96948

[startup+0.301018 s]
/proc/loadavg: 2.08 2.07 3.63 4/483 19600
/proc/meminfo: memFree=4805664/32951132 swapFree=59792360/67111528
[pid=19600] ppid=19598 vsize=135748 CPUtime=0.2 cores=1,3,5,7
/proc/19600/stat : 19600 (python) R 19598 19600 19558 0 -1 4202496 6010 931 1 0 15 5 0 0 18 0 1 0 670213594 139005952 4169 33554432000 4194304 5683644 140733562822656 18446744073709551615 242970546181 0 0 16781312 2 0 0 0 17 1 0 0 0
/proc/19600/statm: 33937 4169 1032 364 0 3123 0
Current children cumulated CPU time (s) 0.2
Current children cumulated vsize (KiB) 135748

[startup+0.700946 s]
/proc/loadavg: 2.08 2.07 3.63 4/483 19600
/proc/meminfo: memFree=4805664/32951132 swapFree=59792360/67111528
[pid=19600] ppid=19598 vsize=280460 CPUtime=0.51 cores=1,3,5,7
/proc/19600/stat : 19600 (python) R 19598 19600 19558 0 -1 4202496 9844 931 1 0 43 8 0 0 17 0 1 0 670213594 287191040 7502 33554432000 4194304 5683644 140733562822656 18446744073709551615 47589765578336 0 0 16781312 2 0 0 0 17 1 0 0 0
/proc/19600/statm: 70115 7502 1826 364 0 6039 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 280460

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

Child status: 0
Real time (s): 1.29044
CPU time (s): 1.11283
CPU user time (s): 1.01285
CPU system time (s): 0.099984
CPU usage (%): 86.2363
Max. virtual memory (cumulated for all children) (KiB): 280460

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.01285
system time used= 0.099984
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 21983
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= 1023
involuntary context switches= 20

runsolver used 0.001999 second user time and 0.017997 second system time

The end

Launcher Data

Begin job on node128 at 2011-05-17 00:49:09
IDJOB=3386489
IDBENCH=82554
IDSOLVER=1872
FILE ID=node128/3386489-1305586149
RUNJOBID= node128-1305586146-19577
PBS_JOBID= 13350350
Free space on /tmp= 73464 MiB

SOLVER NAME= borg-sat 11.03.02-seq-random (fixed)
BENCH NAME= SAT11/random/large/unif-k3-r4.2-v2500-c10500-S722024572-014-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-3386489-1305586149/watcher-3386489-1305586149 -o /tmp/evaluation-result-3386489-1305586149/solver-3386489-1305586149 -C 5000 -W 5100 -M 15500  python HOME/solve HOME/etc/borg-mix+class.random.pickle HOME/instance-3386489-1305586149.cnf -seed 865129503 -budget 5000

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

MD5SUM BENCH= 875a8b1e044c25599d3c66c1e66d27f4
RANDOM SEED=865129503

node128.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		: 2666.852
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	: 5333.70
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		: 2666.852
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	: 5332.75
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		: 2666.852
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	: 5332.82
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		: 2666.852
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	: 5332.75
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		: 2666.852
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	: 5332.82
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		: 2666.852
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	: 5332.75
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		: 2666.852
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	: 5332.82
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		: 2666.852
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	: 5434.49
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951132 kB
MemFree:       4805836 kB
Buffers:         73496 kB
Cached:         728788 kB
SwapCached:     122436 kB
Active:       12840204 kB
Inactive:     15030404 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951132 kB
LowFree:       4805836 kB
SwapTotal:    67111528 kB
SwapFree:     59792360 kB
Dirty:           64344 kB
Writeback:           4 kB
AnonPages:    26953752 kB
Mapped:          23900 kB
Slab:            97796 kB
PageTables:     108060 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587092 kB
Committed_AS: 153969428 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    296000 kB
VmallocChunk: 34359440975 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 73432 MiB
End job on node128 at 2011-05-17 00:49:20