Trace number 3386576

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 1.23081 1.41802

General information on the benchmark

Namerandom/large/
unif-k3-r4.2-v2500-c10500-S89508070-083-UNKNOWN.cnf
MD5SUMcfefee970fb9a956a9dde1bcb9deab97
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.072988
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

0.40/0.64	c INFO: loaded portfolio from HOME/etc/borg-mix+class.random.pickle
0.40/0.64	c INFO: solving HOME/instance-3386576-1305587701.cnf
0.40/0.64	c INFO: computing task features
0.40/0.67	c INFO: computed variable-clause graph statistics
0.40/0.67	c INFO: computed clause balance statistics
0.60/0.86	c INFO: computed variable balance statistics
0.70/1.01	c INFO: computed small-clause counts
0.70/1.01	c INFO: computed Horn-clause counts
0.81/1.03	c INFO: computed variable graph statistics
0.81/1.03	c INFO: collected features for HOME/instance-3386576-1305587701.cnf in 0.39 s
0.81/1.06	c INFO: running hybridGM3@0 for 97 with 4999 remaining (b = 0.61)
0.86/1.39	s SATISFIABLE
0.86/1.39	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-3386576-1305587701/watcher-3386576-1305587701 -o /tmp/evaluation-result-3386576-1305587701/solver-3386576-1305587701 -C 5000 -W 5100 -M 15500 python HOME/solve HOME/etc/borg-mix+class.random.pickle HOME/instance-3386576-1305587701.cnf -seed 1302764447 -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: 4.15 4.07 3.90 4/464 28265
/proc/meminfo: memFree=14327128/32950928 swapFree=62427640/67111528
[pid=28265] ppid=28263 vsize=16244 CPUtime=0 cores=1,3,5,7
/proc/28265/stat : 28265 (python) R 28263 28265 28027 0 -1 4202496 996 0 0 0 0 0 0 0 17 0 1 0 670369932 16633856 869 33554432000 4194304 5683644 140734035257392 18446744073709551615 4877027 0 0 16781312 2 0 0 0 17 3 0 0 0
/proc/28265/statm: 4061 869 368 364 0 548 0

[startup+0.093205 s]
/proc/loadavg: 4.15 4.07 3.90 4/464 28265
/proc/meminfo: memFree=14327128/32950928 swapFree=62427640/67111528
[pid=28265] ppid=28263 vsize=85360 CPUtime=0.05 cores=1,3,5,7
/proc/28265/stat : 28265 (python) R 28263 28265 28027 0 -1 4202496 2581 0 0 0 4 1 0 0 17 0 1 0 670369932 87408640 2307 33554432000 4194304 5683644 140734035257392 18446744073709551615 248089696256 0 0 16781312 2 0 0 0 17 3 0 0 0
/proc/28265/statm: 21340 2307 707 364 0 1557 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 85360

[startup+0.100203 s]
/proc/loadavg: 4.15 4.07 3.90 4/464 28265
/proc/meminfo: memFree=14327128/32950928 swapFree=62427640/67111528
[pid=28265] ppid=28263 vsize=93964 CPUtime=0.06 cores=1,3,5,7
/proc/28265/stat : 28265 (python) R 28263 28265 28027 0 -1 4202496 2692 0 0 0 4 2 0 0 17 0 1 0 670369932 96219136 2407 33554432000 4194304 5683644 140734035257392 18446744073709551615 248089696256 0 0 16781312 2 0 0 0 17 3 0 0 0
/proc/28265/statm: 23491 2407 764 364 0 1623 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 93964

[startup+0.300173 s]
/proc/loadavg: 4.15 4.07 3.90 4/464 28265
/proc/meminfo: memFree=14327128/32950928 swapFree=62427640/67111528
[pid=28265] ppid=28263 vsize=135752 CPUtime=0.21 cores=1,3,5,7
/proc/28265/stat : 28265 (python) S 28263 28265 28027 0 -1 4202496 5969 933 1 0 12 9 0 0 17 0 1 0 670369932 139010048 4149 33554432000 4194304 5683644 140734035257392 18446744073709551615 248089694213 0 2147483391 16781312 2 18446744071699199166 0 0 17 3 0 0 0
/proc/28265/statm: 33938 4149 1032 364 0 3124 0
Current children cumulated CPU time (s) 0.21
Current children cumulated vsize (KiB) 135752

[startup+0.701097 s]
/proc/loadavg: 4.15 4.07 3.90 4/464 28265
/proc/meminfo: memFree=14327128/32950928 swapFree=62427640/67111528
[pid=28265] ppid=28263 vsize=280388 CPUtime=0.5 cores=1,3,5,7
/proc/28265/stat : 28265 (python) R 28263 28265 28027 0 -1 4202496 9822 933 1 0 30 20 0 0 15 0 1 0 670369932 287117312 7483 33554432000 4194304 5683644 140734035257392 18446744073709551615 4500419 0 0 16781312 2 0 0 0 17 3 0 0 0
/proc/28265/statm: 70097 7483 1826 364 0 6021 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 280388

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

[startup+1.11702 s]
/proc/loadavg: 4.13 4.06 3.90 5/465 28270
/proc/meminfo: memFree=14302568/32950928 swapFree=62427640/67111528
[pid=28265] ppid=28263 vsize=289688 CPUtime=0.86 cores=1,3,5,7
/proc/28265/stat : 28265 (python) S 28263 28265 28027 0 -1 4202496 10255 933 1 0 66 20 0 0 18 0 2 0 670369932 296640512 7324 33554432000 4194304 5683644 140734035257392 18446744073709551615 248101524939 0 0 16781312 2 18446744073709551615 0 0 17 7 0 0 0
/proc/28265/statm: 72422 7324 1875 364 0 8340 0
Current children cumulated CPU time (s) 0.86
Current children cumulated vsize (KiB) 289688

[startup+1.30099 s]
/proc/loadavg: 4.13 4.06 3.90 5/465 28270
/proc/meminfo: memFree=14302568/32950928 swapFree=62427640/67111528
[pid=28265] ppid=28263 vsize=289688 CPUtime=0.86 cores=1,3,5,7
/proc/28265/stat : 28265 (python) S 28263 28265 28027 0 -1 4202496 10255 933 1 0 66 20 0 0 18 0 2 0 670369932 296640512 7324 33554432000 4194304 5683644 140734035257392 18446744073709551615 248101524939 0 0 16781312 2 18446744073709551615 0 0 17 7 0 0 0
/proc/28265/statm: 72422 7324 1875 364 0 8340 0
Current children cumulated CPU time (s) 0.86
Current children cumulated vsize (KiB) 289688

[startup+1.40092 s]
/proc/loadavg: 4.13 4.06 3.90 5/465 28270
/proc/meminfo: memFree=14302568/32950928 swapFree=62427640/67111528
[pid=28265] ppid=28263 vsize=289920 CPUtime=1.19 cores=1,3,5,7
/proc/28265/stat : 28265 (python) R 28263 28265 28027 0 -1 4202496 12483 8391 1 0 66 20 32 1 18 0 1 0 670369932 296878080 7323 33554432000 4194304 5683644 140734035257392 18446744073709551615 5114052 0 0 16781312 0 0 0 0 17 5 0 0 0
/proc/28265/statm: 72480 7323 1873 364 0 8404 0
Current children cumulated CPU time (s) 1.19
Current children cumulated vsize (KiB) 289920

Child status: 0
Real time (s): 1.41802
CPU time (s): 1.23081
CPU user time (s): 0.999848
CPU system time (s): 0.230964
CPU usage (%): 86.7981
Max. virtual memory (cumulated for all children) (KiB): 289920

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.999848
system time used= 0.230964
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 23256
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= 2872
involuntary context switches= 16

runsolver used 0.008998 second user time and 0.023996 second system time

The end

Launcher Data

Begin job on node123 at 2011-05-17 01:15:01
IDJOB=3386576
IDBENCH=82641
IDSOLVER=1872
FILE ID=node123/3386576-1305587701
RUNJOBID= node123-1305586147-28047
PBS_JOBID= 13350355
Free space on /tmp= 73228 MiB

SOLVER NAME= borg-sat 11.03.02-seq-random (fixed)
BENCH NAME= SAT11/random/large/unif-k3-r4.2-v2500-c10500-S89508070-083-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-3386576-1305587701/watcher-3386576-1305587701 -o /tmp/evaluation-result-3386576-1305587701/solver-3386576-1305587701 -C 5000 -W 5100 -M 15500  python HOME/solve HOME/etc/borg-mix+class.random.pickle HOME/instance-3386576-1305587701.cnf -seed 1302764447 -budget 5000

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

MD5SUM BENCH= cfefee970fb9a956a9dde1bcb9deab97
RANDOM SEED=1302764447

node123.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		: 2666.838
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	: 5333.67
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		: 2666.838
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	: 5226.15
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		: 2666.838
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	: 5332.75
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		: 2666.838
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	: 5332.82
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		: 2666.838
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	: 5332.74
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		: 2666.838
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	: 5332.80
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		: 2666.838
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	: 5332.74
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		: 2666.838
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	: 5332.83
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32950928 kB
MemFree:      14327160 kB
Buffers:          9068 kB
Cached:         204404 kB
SwapCached:      75192 kB
Active:        6164216 kB
Inactive:     12219244 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      14327160 kB
SwapTotal:    67111528 kB
SwapFree:     62427640 kB
Dirty:           31896 kB
Writeback:           0 kB
AnonPages:    18102664 kB
Mapped:          31976 kB
Slab:            91024 kB
PageTables:      81768 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS: 115723308 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    296008 kB
VmallocChunk: 34359440975 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 73196 MiB
End job on node123 at 2011-05-17 01:15:03