Trace number 2702334

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 NameAnswerobjective functionCPU timeWall clock time
wbo 1.4bOPT2 0.12298 0.123163

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/factor-mod-B/
factor-mod-size=5-P0=19-P1=29-P2=19-P3=23-P4=2-P5=29-P6=7-B.opb
MD5SUMd6ec68375586c4085adabca291d21700
Bench CategoryOPT-SMALLINT-NLC (optimisation, small integers, non linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark2
Best CPU time to get the best result obtained on this benchmark0.401937
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 2
Optimality of the best value was proved YES
Number of variables90
Total number of constraints13
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints13
Minimum length of a constraint5
Maximum length of a constraint35
Number of terms in the objective function 5
Biggest coefficient in the objective function 16
Number of bits for the biggest coefficient in the objective function 5
Sum of the numbers in the objective function 31
Number of bits of the sum of numbers in the objective function 5
Biggest number in a constraint 512
Number of bits of the biggest number in a constraint 10
Biggest sum of numbers in a constraint 1984
Number of bits of the biggest sum of numbers11
Number of products (including duplicates)150
Sum of products size (including duplicates)300
Number of different products150
Sum of products size300

Solver Data 

0.00/0.00	c wbo 1.4 beta - 20100517
0.00/0.00	c Parsing opb file format. File HOME/instance-2702334-1278548037.opb.
0.00/0.00	c Instance file HOME/instance-2702334-1278548037.opb
0.00/0.00	c File size is 11278 bytes.
0.00/0.00	c Highest Coefficient sum: 1984
0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.00/0.00	c |  Parsing time:          0.00         s                                      |
0.00/0.00	c |  Number Variables:      240                                                 |
0.00/0.00	c |  Number Clauses:        150                                                 |
0.00/0.00	c |  Number Cardinality:    0                                                   |
0.00/0.00	c |  Number PB Constraints: 169                                                 |
0.00/0.00	c ============================[ Search Statistics ]==============================
0.00/0.00	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.00	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.00/0.00	c ===============================================================================
0.00/0.00	c |         0 |     240      319     1345 |     5000        0    nan |  0.000 % |
0.00/0.00	c |       102 |     240      319     1345 |     5500      102     27 |  0.010 % |
0.00/0.01	c |       252 |     240      319     1345 |     6050      252     22 |  0.010 % |
0.00/0.02	c |       478 |     240      319     1345 |     6655      478     25 |  0.002 % |
0.00/0.03	c |       816 |     240      319     1345 |     7320      816     24 |  0.002 % |
0.00/0.05	c |      1322 |     240      319     1345 |     8052     1322     25 |  0.010 % |
0.05/0.08	c |      2082 |     240      319     1345 |     8857     2082     23 |  0.002 % |
0.10/0.12	c ===============================================================================
0.10/0.12	c New solution: 2
0.10/0.12	o 2
0.10/0.12	c Elapsed CPU time: 0.111982 s	Remaining CPU time: 179.888 s
0.10/0.12	c ===============================================================================
0.10/0.12	c ===============================================================================
0.10/0.12	c Best Solution: 2
0.10/0.12	s OPTIMUM FOUND
0.10/0.12	c Total CPU time: 0.111982 s
0.10/0.12	v -x1 x2 -x3 -x4 -x5 x6 -x7 -x8 -x9 x10 x11 -x12 x13 -x14 -x15 x16 -x17 x18 x19 -x20 x21 x22 -x23 -x24 -x25 x26 -x27 x28 -x29 -x30 x31 x32 x33 x34 -x35 -x91 x92 -x93 -x94 -x95 -x96 -x97 -x98 -x99 -x100 -x101 -x102 -x103 -x104 -x105 -x106 -x107 -x108 -x109 -x110 -x111 x112 -x113 -x114 -x115 -x36 x37 -x38 -x39 -x40 x61 -x62 -x63 -x64 -x65 -x116 x117 -x118 -x119 -x120 -x121 -x122 -x123 -x124 -x125 -x126 x127 -x128 -x129 -x130 -x131 -x132 -x133 -x134 -x135 -x136 -x137 -x138 -x139 -x140 -x41 x42 -x43 x44 -x45 -x66 -x67 -x68 -x69 -x70 -x141 x142 -x143 x144 -x145 -x146 -x147 -x148 -x149 -x150 -x151 x152 -x153 x154 -x155 -x156 x157 -x158 x159 -x160 -x161 -x162 -x163 -x164 -x165 -x46 x47 -x48 -x49 -x50 -x71 -x72 x73 -x74 -x75 -x166 x167 -x168 -x169 -x170 -x171 x172 -x173 -x174 -x175 -x176 -x177 -x178 -x179 -x180 -x181 -x182 -x183 -x184 -x185 -x186 -x187 -x188 -x189 -x190 -x51 x52 x53 -x54 -x55 -x76 -x77 -x78 -x79 -x80 -x191 x192 x193 -x194 -x195 -x196 -x197 -x198 -x199 -x200 -x201 x202 x203 -x204 -x205 -x206 -x207 -x208 -x209 -x210 -x211 -x212 -x213 -x214 -x215 -x56 x57 x58 x59 x60 -x81 -x82 -x83 -x84 -x85 -x216 x217 x218 x219 x220 -x221 x222 x223 x224 x225 -x226 x227 x228 x229 x230 -x231 x232 x233 x234 x235 -x236 -x237 -x238 -x239 -x240 -x86 x87 x88 x89 -x90

Verifier Data 

OK	2

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2702334-1278548037/watcher-2702334-1278548037 -o /tmp/evaluation-result-2702334-1278548037/solver-2702334-1278548037 -C 1800 -W 2000 -M 1800 wbo1.4b -file-format=opb -time-limit=1800 HOME/instance-2702334-1278548037.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: 0.87 0.98 0.84 3/106 25988
/proc/meminfo: memFree=1785536/2059040 swapFree=4147816/4192956
[pid=25988] ppid=25986 vsize=2572 CPUtime=0
/proc/25988/stat : 25988 (wbo1.4b) R 25986 25988 25740 0 -1 4202496 295 0 0 0 0 0 0 0 18 0 1 0 23010398 2633728 210 1992294400 134512640 135751879 4293592144 18446744073709551615 135270609 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/25988/statm: 643 210 147 303 0 338 0

[startup+0.0613109 s]
/proc/loadavg: 0.87 0.98 0.84 3/106 25988
/proc/meminfo: memFree=1785536/2059040 swapFree=4147816/4192956
[pid=25988] ppid=25986 vsize=2836 CPUtime=0.05
/proc/25988/stat : 25988 (wbo1.4b) R 25986 25988 25740 0 -1 4202496 363 0 0 0 5 0 0 0 21 0 1 0 23010398 2904064 278 1992294400 134512640 135751879 4293592144 18446744073709551615 135270609 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/25988/statm: 709 278 147 303 0 404 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 2836

[startup+0.101314 s]
/proc/loadavg: 0.87 0.98 0.84 3/106 25988
/proc/meminfo: memFree=1785536/2059040 swapFree=4147816/4192956
[pid=25988] ppid=25986 vsize=2964 CPUtime=0.1
/proc/25988/stat : 25988 (wbo1.4b) R 25986 25988 25740 0 -1 4202496 407 0 0 0 9 1 0 0 21 0 1 0 23010398 3035136 322 1992294400 134512640 135751879 4293592144 18446744073709551615 134616486 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/25988/statm: 741 322 147 303 0 436 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 2964

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

Child status: 0
Real time (s): 0.123163
CPU time (s): 0.12298
CPU user time (s): 0.111982
CPU system time (s): 0.010998
CPU usage (%): 99.8513
Max. virtual memory (cumulated for all children) (KiB): 2964

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.111982
system time used= 0.010998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 425
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= 1
involuntary context switches= 2

runsolver used 0.004999 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node051 at 2010-07-08 02:13:57
IDJOB=2702334
IDBENCH=48102
IDSOLVER=1161
FILE ID=node051/2702334-1278548037
PBS_JOBID= 11239490
Free space on /tmp= 62520 MiB

SOLVER NAME= wbo 1.4b
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/factor-mod-B/factor-mod-size=5-P0=19-P1=29-P2=19-P3=23-P4=2-P5=29-P6=7-B.opb
COMMAND LINE= wbo1.4b -file-format=opb -time-limit=TIMEOUT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2702334-1278548037/watcher-2702334-1278548037 -o /tmp/evaluation-result-2702334-1278548037/solver-2702334-1278548037 -C 1800 -W 2000 -M 1800  wbo1.4b -file-format=opb -time-limit=1800 HOME/instance-2702334-1278548037.opb

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

MD5SUM BENCH= d6ec68375586c4085adabca291d21700
RANDOM SEED=1587103205

node051.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		: 3000.201
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	: 6000.40
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		: 3000.201
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	: 5599.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1786560 kB
Buffers:         49348 kB
Cached:         130492 kB
SwapCached:       4888 kB
Active:          89056 kB
Inactive:       110556 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1786560 kB
SwapTotal:     4192956 kB
SwapFree:      4147816 kB
Dirty:            2720 kB
Writeback:           0 kB
AnonPages:       15852 kB
Mapped:          12092 kB
Slab:            50884 kB
PageTables:       4196 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181308 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-2702334-1278548037.opb

Free space on /tmp at the end= 62520 MiB
End job on node051 at 2010-07-08 02:13:57