Trace number 3377341

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 1.16282 1.41175

General information on the benchmark

Namerandom/large/
unif-k3-r4.2-v2500-c10500-S1907658523-004-UNKNOWN.cnf
MD5SUMb937b5bc0ec99f47d43da4a3e675d75d
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.326949
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 

0.35/0.64	c INFO: loaded portfolio from HOME/etc/borg-mix+class.random.pickle
0.35/0.64	c INFO: solving HOME/instance-3377341-1305452540.cnf
0.35/0.64	c INFO: computing task features
0.35/0.67	c INFO: computed variable-clause graph statistics
0.35/0.67	c INFO: computed clause balance statistics
0.54/0.85	c INFO: computed variable balance statistics
0.64/0.99	c INFO: computed small-clause counts
0.64/0.99	c INFO: computed Horn-clause counts
0.75/1.01	c INFO: computed variable graph statistics
0.75/1.01	c INFO: collected features for HOME/instance-3377341-1305452540.cnf in 0.38 s
0.75/1.03	c INFO: running hybridGM3@0 for 97 with 2399 remaining (b = 0.61)
0.76/1.39	s SATISFIABLE
0.76/1.39	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 -242 243 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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-3377341-1305452540/watcher-3377341-1305452540 -o /tmp/evaluation-result-3377341-1305452540/solver-3377341-1305452540 -C 2400 -W 1300 -M 7680 python HOME/solve HOME/etc/borg-mix+class.random.pickle HOME/instance-3377341-1305452540.cnf -seed 749700175 -budget 2400 

running on 2 cores: 1,3

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 2400 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 2430 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1300 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 7864320 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 7915520 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 4.08 3.46 3.22 5/371 32716
/proc/meminfo: memFree=27181244/32950928 swapFree=60199044/67111528
[pid=32716] ppid=32714 vsize=15388 CPUtime=0 cores=1,3
/proc/32716/stat : 32716 (python) R 32714 32716 24378 0 -1 4202496 796 0 0 0 0 0 0 0 25 0 1 0 656852846 15757312 684 33554432000 4194304 5683644 140733243767056 18446744073709551615 268272688784 0 0 16781312 2 0 0 0 17 1 0 0 0
/proc/32716/statm: 3846 684 323 364 0 333 0

[startup+0.0682659 s]
/proc/loadavg: 4.08 3.46 3.22 5/371 32716
/proc/meminfo: memFree=27181244/32950928 swapFree=60199044/67111528
[pid=32716] ppid=32714 vsize=30116 CPUtime=0.03 cores=1,3
/proc/32716/stat : 32716 (python) S 32714 32716 24378 0 -1 4202496 1509 0 0 0 3 0 0 0 25 0 1 0 656852846 30838784 1348 33554432000 4194304 5683644 140733243767056 18446744073709551615 268272687104 0 2147483391 16781312 2 18446744071699199166 0 0 17 1 0 0 0
/proc/32716/statm: 7529 1348 443 364 0 899 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 30116

[startup+0.10032 s]
/proc/loadavg: 4.08 3.46 3.22 5/371 32716
/proc/meminfo: memFree=27181244/32950928 swapFree=60199044/67111528
[pid=32716] ppid=32714 vsize=85628 CPUtime=0.05 cores=1,3
/proc/32716/stat : 32716 (python) R 32714 32716 24378 0 -1 4202496 2628 0 0 0 4 1 0 0 18 0 1 0 656852846 87683072 2349 33554432000 4194304 5683644 140733243767056 18446744073709551615 268272689024 0 0 16781312 2 0 0 0 17 1 0 0 0
/proc/32716/statm: 21407 2349 713 364 0 1624 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 85628

[startup+0.300328 s]
/proc/loadavg: 4.08 3.46 3.22 5/371 32716
/proc/meminfo: memFree=27181244/32950928 swapFree=60199044/67111528
[pid=32716] ppid=32714 vsize=135752 CPUtime=0.17 cores=1,3
/proc/32716/stat : 32716 (python) S 32714 32716 24378 0 -1 4202496 5975 930 1 0 12 5 0 0 18 0 1 0 656852846 139010048 4149 33554432000 4194304 5683644 140733243767056 18446744073709551615 268272685061 0 2147483391 16781312 2 18446744071699199166 0 0 17 3 0 0 0
/proc/32716/statm: 33938 4149 1032 364 0 3124 0
Current children cumulated CPU time (s) 0.17
Current children cumulated vsize (KiB) 135752

[startup+0.706156 s]
/proc/loadavg: 4.08 3.46 3.22 5/371 32716
/proc/meminfo: memFree=27181244/32950928 swapFree=60199044/67111528
[pid=32716] ppid=32714 vsize=280468 CPUtime=0.44 cores=1,3
/proc/32716/stat : 32716 (python) R 32714 32716 24378 0 -1 4202496 9847 930 1 0 35 9 0 0 16 0 1 0 656852846 287199232 7503 33554432000 4194304 5683644 140733243767056 18446744073709551615 268276097968 0 0 16781312 2 0 0 0 17 1 0 0 0
/proc/32716/statm: 70117 7503 1826 364 0 6041 0
Current children cumulated CPU time (s) 0.44
Current children cumulated vsize (KiB) 280468

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

[startup+1.11308 s]
/proc/loadavg: 4.08 3.46 3.22 5/372 32721
/proc/meminfo: memFree=27157056/32950928 swapFree=60199044/67111528
[pid=32716] ppid=32714 vsize=289696 CPUtime=0.76 cores=1,3
/proc/32716/stat : 32716 (python) S 32714 32716 24378 0 -1 4202496 10269 930 1 0 67 9 0 0 19 0 2 0 656852846 296648704 7318 33554432000 4194304 5683644 140733243767056 18446744073709551615 268284515787 0 0 16781312 2 18446744073709551615 0 0 17 1 0 0 0
/proc/32716/statm: 72424 7318 1867 364 0 8342 0
Current children cumulated CPU time (s) 0.76
Current children cumulated vsize (KiB) 289696

[startup+1.30105 s]
/proc/loadavg: 4.08 3.46 3.22 5/372 32721
/proc/meminfo: memFree=27157056/32950928 swapFree=60199044/67111528
[pid=32716] ppid=32714 vsize=289696 CPUtime=0.76 cores=1,3
/proc/32716/stat : 32716 (python) S 32714 32716 24378 0 -1 4202496 10269 930 1 0 67 9 0 0 19 0 2 0 656852846 296648704 7318 33554432000 4194304 5683644 140733243767056 18446744073709551615 268284515787 0 0 16781312 2 18446744073709551615 0 0 17 1 0 0 0
/proc/32716/statm: 72424 7318 1867 364 0 8342 0
Current children cumulated CPU time (s) 0.76
Current children cumulated vsize (KiB) 289696

[startup+1.40103 s]
/proc/loadavg: 4.08 3.46 3.22 5/372 32721
/proc/meminfo: memFree=27157056/32950928 swapFree=60199044/67111528
[pid=32716] ppid=32714 vsize=289928 CPUtime=1.13 cores=1,3
/proc/32716/stat : 32716 (python) R 32714 32716 24378 0 -1 4202496 13380 7168 1 0 68 10 34 1 18 0 1 0 656852846 296886272 7318 33554432000 4194304 5683644 140733243767056 18446744073709551615 4539162 0 0 16781312 0 0 0 0 17 3 0 0 0
/proc/32716/statm: 72482 7318 1866 364 0 8406 0
Current children cumulated CPU time (s) 1.13
Current children cumulated vsize (KiB) 289928

Child status: 0
Real time (s): 1.41175
CPU time (s): 1.16282
CPU user time (s): 1.04584
CPU system time (s): 0.116982
CPU usage (%): 82.3674
Max. virtual memory (cumulated for all children) (KiB): 289928

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.04584
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= 22047
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= 2860
involuntary context switches= 23

runsolver used 0.008998 second user time and 0.017997 second system time

The end

Launcher Data 

Begin job on node122 at 2011-05-15 11:42:20
IDJOB=3377341
IDBENCH=82650
IDSOLVER=1857
FILE ID=node122/3377341-1305452540
RUNJOBID= node122-1305452222-32571
PBS_JOBID= 13324864
Free space on /tmp= 73408 MiB

SOLVER NAME= borg-sat 11.03.02-seq-random (fixed)
BENCH NAME= SAT11/random/large/unif-k3-r4.2-v2500-c10500-S1907658523-004-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-3377341-1305452540/watcher-3377341-1305452540 -o /tmp/evaluation-result-3377341-1305452540/solver-3377341-1305452540 -C 2400 -W 1300 -M 7680  python HOME/solve HOME/etc/borg-mix+class.random.pickle HOME/instance-3377341-1305452540.cnf -seed 749700175 -budget 2400

TIME LIMIT= 2400 seconds
MEMORY LIMIT= 7680 MiB
NBCORE= 2

MD5SUM BENCH= b937b5bc0ec99f47d43da4a3e675d75d
RANDOM SEED=749700175

node122.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		: 2666.820
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	: 5333.64
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		: 2666.820
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		: 2666.820
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		: 2666.820
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	: 5332.83
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		: 2666.820
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	: 5332.75
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		: 2666.820
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		: 2666.820
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		: 2666.820
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	: 5332.97
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32950928 kB
MemFree:      27181524 kB
Buffers:        300808 kB
Cached:        3882912 kB
SwapCached:      50104 kB
Active:        1452152 kB
Inactive:      4081988 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      27181524 kB
SwapTotal:    67111528 kB
SwapFree:     60199044 kB
Dirty:           31928 kB
Writeback:           0 kB
AnonPages:     1311312 kB
Mapped:          21648 kB
Slab:           128512 kB
PageTables:      41744 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS: 59878184 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= 73376 MiB
End job on node122 at 2011-05-15 11:42:22