Trace number 3377245

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 1.44378 1.54159

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 benchmark0.247961
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

0.30/0.47	c INFO: loaded portfolio from HOME/etc/borg-mix+class.random.pickle
0.30/0.47	c INFO: solving HOME/instance-3377245-1305451674.cnf
0.30/0.47	c INFO: computing task features
0.39/0.51	c INFO: computed variable-clause graph statistics
0.39/0.51	c INFO: computed clause balance statistics
0.49/0.69	c INFO: computed variable balance statistics
0.69/0.83	c INFO: computed small-clause counts
0.69/0.84	c INFO: computed Horn-clause counts
0.69/0.86	c INFO: computed variable graph statistics
0.69/0.86	c INFO: collected features for HOME/instance-3377245-1305451674.cnf in 0.38 s
0.69/0.87	c INFO: running hybridGM3@0 for 97 with 2399 remaining (b = 0.61)
1.37/1.52	s SATISFIABLE
1.37/1.52	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-3377245-1305451674/watcher-3377245-1305451674 -o /tmp/evaluation-result-3377245-1305451674/solver-3377245-1305451674 -C 2400 -W 1300 -M 7680 python HOME/solve HOME/etc/borg-mix+class.random.pickle HOME/instance-3377245-1305451674.cnf -seed 1817315311 -budget 2400 

running on 2 cores: 0,2

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 3.28 3.14 4/406 14421
/proc/meminfo: memFree=25756000/32951124 swapFree=53501236/67111528
[pid=14421] ppid=14419 vsize=16244 CPUtime=0 cores=0,2
/proc/14421/stat : 14421 (python) R 14419 14421 13135 0 -1 4202496 1035 0 0 0 0 0 0 0 25 0 1 0 656770060 16633856 907 33554432000 4194304 5683644 140734641268400 18446744073709551615 4540219 0 0 16781312 2 0 0 0 17 0 0 0 0
/proc/14421/statm: 4061 908 380 364 0 548 0

[startup+0.0616081 s]
/proc/loadavg: 4.08 3.28 3.14 4/406 14421
/proc/meminfo: memFree=25756000/32951124 swapFree=53501236/67111528
[pid=14421] ppid=14419 vsize=45688 CPUtime=0.04 cores=0,2
/proc/14421/stat : 14421 (python) S 14419 14421 13135 0 -1 4202496 1888 0 0 0 3 1 0 0 25 0 1 0 656770060 46784512 1662 33554432000 4194304 5683644 140734641268400 18446744073709551615 216634513408 0 2147483391 16781312 2 18446744071699199166 0 0 17 2 0 0 0
/proc/14421/statm: 11422 1662 470 364 0 1171 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 45688

[startup+0.100706 s]
/proc/loadavg: 4.08 3.28 3.14 4/406 14421
/proc/meminfo: memFree=25756000/32951124 swapFree=53501236/67111528
[pid=14421] ppid=14419 vsize=102012 CPUtime=0.06 cores=0,2
/proc/14421/stat : 14421 (python) S 14419 14421 13135 0 -1 4202496 3026 0 0 0 4 2 0 0 17 0 1 0 656770060 104460288 2717 33554432000 4194304 5683644 140734641268400 18446744073709551615 216634513408 0 2147483391 16781312 2 18446744071699199166 0 0 17 2 0 0 0
/proc/14421/statm: 25503 2717 841 364 0 1803 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 102012

[startup+0.300543 s]
/proc/loadavg: 4.08 3.28 3.14 4/406 14421
/proc/meminfo: memFree=25756000/32951124 swapFree=53501236/67111528
[pid=14421] ppid=14419 vsize=170756 CPUtime=0.22 cores=0,2
/proc/14421/stat : 14421 (python) R 14419 14421 13135 0 -1 4202496 6738 937 1 0 16 6 0 0 17 0 1 0 656770060 174854144 4805 33554432000 4194304 5683644 140734641268400 18446744073709551615 216634513408 0 2147483391 16781312 2 0 0 0 17 2 0 0 0
/proc/14421/statm: 42689 4805 1336 364 0 3454 0
Current children cumulated CPU time (s) 0.22
Current children cumulated vsize (KiB) 170756

[startup+0.700484 s]
/proc/loadavg: 4.08 3.28 3.14 4/406 14421
/proc/meminfo: memFree=25756000/32951124 swapFree=53501236/67111528
[pid=14421] ppid=14419 vsize=280468 CPUtime=0.59 cores=0,2
/proc/14421/stat : 14421 (python) R 14419 14421 13135 0 -1 4202496 9846 937 1 0 51 8 0 0 17 0 1 0 656770060 287199232 7504 33554432000 4194304 5683644 140734641268400 18446744073709551615 216634182569 0 0 16781312 2 0 0 0 17 2 0 0 0
/proc/14421/statm: 70117 7504 1827 364 0 6041 0
Current children cumulated CPU time (s) 0.59
Current children cumulated vsize (KiB) 280468

[startup+1.50039 s]
/proc/loadavg: 4.08 3.28 3.14 6/410 14430
/proc/meminfo: memFree=25710708/32951124 swapFree=53501236/67111528
[pid=14421] ppid=14419 vsize=289696 CPUtime=0.76 cores=0,2
/proc/14421/stat : 14421 (python) S 14419 14421 13135 0 -1 4202496 10264 937 1 0 68 8 0 0 20 0 2 0 656770060 296648704 7318 33554432000 4194304 5683644 140734641268400 18446744073709551615 216646342091 0 0 16781312 2 18446744073709551615 0 0 17 2 0 0 0
/proc/14421/statm: 72424 7318 1867 364 0 8342 0
[pid=14427] ppid=14421 vsize=279452 CPUtime=0 cores=0,2
/proc/14427/stat : 14427 (python) S 14421 14421 13135 0 -1 4202560 726 0 0 0 0 0 0 0 19 0 1 0 656770147 286158848 5801 33554432000 4194304 5683644 140734641268400 18446744073709551615 216634535439 0 0 16781312 514 1080407892416266239 0 0 17 2 0 0 0
/proc/14427/statm: 69863 5801 354 364 0 5781 0
[pid=14430] ppid=14427 vsize=270316 CPUtime=0.61 cores=0,2
/proc/14430/stat : 14430 (hybridGM3) R 14427 14430 14430 0 -1 4202496 6220 0 0 0 61 0 0 0 22 0 1 0 656770147 276803584 5367 33554432000 134512640 135204385 4294256176 18446744073709551615 134572595 0 0 16781312 0 0 0 0 17 0 0 0 0
/proc/14430/statm: 67579 5367 85 169 0 67409 0
[pid=14421/tid=14429] ppid=14419 vsize=289696 CPUtime=0 cores=0,2
/proc/14421/task/14429/stat : 14429 (python) S 14419 14421 13135 0 -1 4202560 26 937 0 0 0 0 0 0 20 0 2 0 656770147 296648704 7318 33554432000 4194304 5683644 140734641268400 18446744073709551615 216646338993 0 0 16781312 2 18446604445186144192 0 0 -1 2 0 0 0
Current children cumulated CPU time (s) 1.37
Current children cumulated vsize (KiB) 839464

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

Child status: 0
Real time (s): 1.54159
CPU time (s): 1.44378
CPU user time (s): 1.3338
CPU system time (s): 0.109983
CPU usage (%): 93.6555
Max. virtual memory (cumulated for all children) (KiB): 839464

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.3338
system time used= 0.109983
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 23313
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= 988
involuntary context switches= 23

runsolver used 0.005999 second user time and 0.020996 second system time

The end

Launcher Data

Begin job on node103 at 2011-05-15 11:27:54
IDJOB=3377245
IDBENCH=82554
IDSOLVER=1857
FILE ID=node103/3377245-1305451674
RUNJOBID= node103-1305451339-14157
PBS_JOBID= 13324856
Free space on /tmp= 72952 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-3377245-1305451674/watcher-3377245-1305451674 -o /tmp/evaluation-result-3377245-1305451674/solver-3377245-1305451674 -C 2400 -W 1300 -M 7680  python HOME/solve HOME/etc/borg-mix+class.random.pickle HOME/instance-3377245-1305451674.cnf -seed 1817315311 -budget 2400

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

MD5SUM BENCH= 875a8b1e044c25599d3c66c1e66d27f4
RANDOM SEED=1817315311

node103.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		: 2666.858
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	: 5333.71
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		: 2666.858
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		: 2666.858
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		: 2666.858
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	: 5332.77
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		: 2666.858
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		: 2666.858
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		: 2666.858
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	: 5332.83
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		: 2666.858
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	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      25756280 kB
Buffers:        314440 kB
Cached:        4152068 kB
SwapCached:     340192 kB
Active:        1692796 kB
Inactive:      5211124 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      25756280 kB
SwapTotal:    67111528 kB
SwapFree:     53501236 kB
Dirty:           31856 kB
Writeback:           0 kB
AnonPages:     2108252 kB
Mapped:          18836 kB
Slab:           161472 kB
PageTables:      63344 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS: 87737816 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= 72924 MiB
End job on node103 at 2011-05-15 11:27:56