Trace number 2696077

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
pb_cplex 2010-06-29SAT 0.338948 0.344035

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/
prestwich/armies/normalized-army10.14bt.opb
MD5SUM35996461279b46395c12d24fd378138e
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark0.338948
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables316
Total number of constraints686
Number of constraints which are clauses477
Number of constraints which are cardinality constraints (but not clauses)2
Number of constraints which are nor clauses,nor cardinality constraints207
Minimum length of a constraint1
Maximum length of a constraint100
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 16
Number of bits of the biggest number in a constraint 5
Biggest sum of numbers in a constraint 114
Number of bits of the biggest sum of numbers7
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

0.00/0.00	c pb_cplex 1.0 - 20100701
0.00/0.00	c Parsing opb file format. File HOME/instance-2696077-1278015139.opb.
0.00/0.00	c Instance file HOME/instance-2696077-1278015139.opb
0.00/0.00	c File size is 33310 bytes.
0.00/0.02	c Highest Coefficient sum: 114
0.00/0.02	c  IBM ILOG License Manager: "IBM ILOG Optimization Suite for Academic Initiative" is accessing CPLEX 12 with option(s): "e m b q ".
0.00/0.03	c ============================[ Problem Statistics ]=============================
0.00/0.03	c |                                                                             |
0.00/0.03	c |  Parsing time:          0.02         s                                      |
0.00/0.03	c |  Number Variables:      316                                                 |
0.00/0.03	c |  Number Constraints:    686                                                 |
0.00/0.03	c ===============================================================================
0.00/0.34	c Remaining time 1799.98 sec.
0.00/0.34	s SATISFIABLE
0.00/0.34	c Solution value = 0.00
0.00/0.34	v -x1 -x3 -x5 -x7 -x9 -x11 -x13 -x15 -x17 -x19 -x21 -x23 -x25 -x27 -x29 -x31 -x33 -x35 -x37 -x39 x41 x43 x45 -x47 -x49 -x51 -x53 -x55 -x57 -x59 x61 x63 x65 x67 -x69 -x71 -x73 -x75 -x77 -x79 x81 x83 x85 -x87 -x89 -x91 -x93 -x95 -x97 -x99 -x101 -x103 -x105 -x107 -x109 -x111 -x113 -x115 -x117 -x119 -x121 -x123 -x125 -x127 -x129 -x131 -x133 -x135 -x137 -x139 -x141 -x143 -x145 -x147 -x149 -x151 -x153 -x155 -x157 -x159 -x161 -x163 -x165 x167 x169 -x171 -x173 -x175 -x177 -x179 -x181 -x183 x185 x187 -x189 -x191 -x193 -x195 -x197 -x199 -x2 -x4 -x6 -x8 -x10 -x12 -x14 x16 x18 x20 -x22 -x24 -x26 -x28 -x30 -x32 x34 x36 x38 x40 -x42 -x44 -x46 -x48 -x50 -x52 -x54 -x56 -x58 -x60 -x62 -x64 -x66 -x68 -x70 -x72 -x74 -x76 -x78 -x80 -x82 -x84 -x86 -x88 -x90 -x92 -x94 -x96 -x98 -x100 -x102 -x104 -x106 -x108 -x110 -x112 -x114 -x116 x118 x120 -x122 -x124 -x126 -x128 -x130 -x132 -x134 x136 x138 x140 -x142 -x144 -x146 -x148 -x150 -x152 -x154 -x156 x158 x160 -x162 -x164 -x166 -x168 -x170 -x172 -x174 -x176 -x178 -x180 -x182 -x184 -x186 -x188 -x190 -x192 -x194 -x196 -x198 -x200 -x202 x201 -x204 x203 x206 -x205 x208 -x207 x210 -x209 -x212 x211 -x214 x213 -x216 x215 x218 -x217 x220 -x219 x222 -x221 x224 -x223 x226 -x225 x228 -x227 x230 -x229 -x232 -x231 -x234 x233 -x236 x235 -x238 x237 -x240 x239 x242 -x241 x244 -x243 x246 -x245 x248 -x247 x250 -x249 x252 -x251 x254 -x253 x256 -x255 -x258 -x257 -x260 -x259 -x262 -x261 -x264 -x263 x266 -x265 x268 -x267 x270 -x269 x272 -x271 x274 -x273 -x276 x275 -x278 x277 -x280 x279 -x282 x281 x284 -x283 x286 -x285 -x288 x287 -x290 x289 -x292 x291 -x294 x293 -x296 -x295 -x298 -x297 -x300 x299 -x302 x301 -x304 x303 -x306 x305 -x308 x307 -x310 x309 -x312 x311 -x314 x313 -x316 x315
0.00/0.34	c Total CPU time              : 0.32395 s

Verifier Data 

OK	0

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2696077-1278015139/watcher-2696077-1278015139 -o /tmp/evaluation-result-2696077-1278015139/solver-2696077-1278015139 -C 1800 -W 2000 -M 1800 run HOME/instance-2696077-1278015139.opb 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2000 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.00 0.00 0.00 3/106 28076
/proc/meminfo: memFree=1271380/2059040 swapFree=4136868/4192956
[pid=28076] ppid=28074 vsize=8700 CPUtime=0
/proc/28076/stat : 28076 (run) S 28074 28076 28051 0 -1 4202496 366 0 0 0 0 0 0 0 15 0 1 0 142804652 8908800 249 1992294400 4194304 4922060 140734198944912 18446744073709551615 262178184325 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/28076/statm: 2175 249 208 178 0 68 0

[startup+0.019044 s]
/proc/loadavg: 0.00 0.00 0.00 3/106 28076
/proc/meminfo: memFree=1271380/2059040 swapFree=4136868/4192956
[pid=28076] ppid=28074 vsize=8700 CPUtime=0
/proc/28076/stat : 28076 (run) S 28074 28076 28051 0 -1 4202496 366 0 0 0 0 0 0 0 15 0 1 0 142804652 8908800 249 1992294400 4194304 4922060 140734198944912 18446744073709551615 262178184325 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/28076/statm: 2175 249 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.105037 s]
/proc/loadavg: 0.00 0.00 0.00 3/106 28076
/proc/meminfo: memFree=1271380/2059040 swapFree=4136868/4192956
[pid=28076] ppid=28074 vsize=8700 CPUtime=0
/proc/28076/stat : 28076 (run) S 28074 28076 28051 0 -1 4202496 366 0 0 0 0 0 0 0 15 0 1 0 142804652 8908800 249 1992294400 4194304 4922060 140734198944912 18446744073709551615 262178184325 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/28076/statm: 2175 249 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.300036 s]
/proc/loadavg: 0.00 0.00 0.00 3/106 28076
/proc/meminfo: memFree=1271380/2059040 swapFree=4136868/4192956
[pid=28076] ppid=28074 vsize=8700 CPUtime=0
/proc/28076/stat : 28076 (run) S 28074 28076 28051 0 -1 4202496 366 0 0 0 0 0 0 0 15 0 1 0 142804652 8908800 249 1992294400 4194304 4922060 140734198944912 18446744073709551615 262178184325 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/28076/statm: 2175 249 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

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

Child status: 0
Real time (s): 0.344035
CPU time (s): 0.338948
CPU user time (s): 0.32595
CPU system time (s): 0.012998
CPU usage (%): 98.5214
Max. virtual memory (cumulated for all children) (KiB): 8700

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.32595
system time used= 0.012998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2932
page faults= 0
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 8
involuntary context switches= 21

runsolver used 0.002999 second user time and 0.017997 second system time

The end

Launcher Data 

Begin job on node059 at 2010-07-01 22:12:19
IDJOB=2696077
IDBENCH=1157
IDSOLVER=1209
FILE ID=node059/2696077-1278015139
PBS_JOBID= 11198708
Free space on /tmp= 62388 MiB

SOLVER NAME= pb_cplex 2010-06-29
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/prestwich/armies/normalized-army10.14bt.opb
COMMAND LINE= run BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2696077-1278015139/watcher-2696077-1278015139 -o /tmp/evaluation-result-2696077-1278015139/solver-2696077-1278015139 -C 1800 -W 2000 -M 1800  run HOME/instance-2696077-1278015139.opb

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 35996461279b46395c12d24fd378138e
RANDOM SEED=1808879684

node059.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	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.244
cache size	: 2048 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
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 lm constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 6000.48
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.244
cache size	: 2048 KB
physical id	: 3
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
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 lm constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5599.45
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1271908 kB
Buffers:        198844 kB
Cached:         483856 kB
SwapCached:      10648 kB
Active:         293068 kB
Inactive:       404728 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1271908 kB
SwapTotal:     4192956 kB
SwapFree:      4136868 kB
Dirty:           16868 kB
Writeback:           0 kB
AnonPages:       12588 kB
Mapped:           8272 kB
Slab:            67484 kB
PageTables:       4128 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182456 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62372 MiB
End job on node059 at 2010-07-01 22:12:20