Trace number 1875298

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 NameAnswerobjCPU timeWall clock time
wbo 1.0OPT3 0.547916 0.548849

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/
manquinho/mds/normalized-mds_50_25_5.opb
MD5SUMf4c69768619389ba083d2740787a0405
Bench CategoryOPT-SMALLINT-NLC (optimisation, small integers, non linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark3
Best CPU time to get the best result obtained on this benchmark0.31795
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 3
Optimality of the best value was proved YES
Number of variables50
Total number of constraints50
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 constraints50
Minimum length of a constraint26
Maximum length of a constraint36
Number of terms in the objective function 50
Biggest coefficient in the objective function 1
Number of bits for the biggest coefficient in the objective function 1
Sum of the numbers in the objective function 50
Number of bits of the sum of numbers in the objective function 6
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 50
Number of bits of the biggest sum of numbers6
Number of products (including duplicates)1464
Sum of products size (including duplicates)2928
Number of different products1464
Sum of products size2928

Solver Data 

0.00/0.00	c This is wbo 1.0 alpha (based on Minisat 2.0 beta)
0.00/0.00	c WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	c Parsing opb file format. File HOME/instance-1875298-1245193852.opb.
0.00/0.00	c Instance file HOME/instance-1875298-1245193852.opb
0.00/0.00	c File size is 102469 bytes.
0.00/0.01	c Highest Coefficient sum: 37
0.00/0.01	c ============================[ Problem Statistics ]=============================
0.00/0.01	c |                                                                             |
0.00/0.01	c |  Parsing time:          0.01         s                                      |
0.00/0.01	c |  Number Variables:      1514                                                |
0.00/0.01	c |  Number Clauses:        1564                                                |
0.00/0.01	c |  Number Cardinality:    0                                                   |
0.00/0.01	c |  Number PB Constraints: 1464                                                |
0.00/0.01	c core #1
0.00/0.01	c Core size: 52	Core Weight: 1	Total Weight: 1
0.00/0.01	c Elapsed CPU time: 0.014997 s	Remaining CPU time: 1799.99 s
0.00/0.02	c ============================[ Search Statistics ]==============================
0.00/0.02	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.02	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.00/0.02	c ===============================================================================
0.00/0.02	c |         0 |     821     3029     8291 |     5000        0    nan |  0.000 % |
0.00/0.02	c ===============================================================================
0.00/0.02	c core #2
0.00/0.02	c Core size: 401	Core Weight: 1	Total Weight: 2
0.00/0.02	c Elapsed CPU time: 0.023996 s	Remaining CPU time: 1799.98 s
0.00/0.03	c ============================[ Search Statistics ]==============================
0.00/0.03	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.03	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.00/0.03	c ===============================================================================
0.00/0.03	c |         0 |    1590     3030    10500 |     5000        0    nan |  0.000 % |
0.00/0.04	c |       103 |    1590     3030    10500 |     5500      103    102 |  0.001 % |
0.05/0.07	c |       254 |    1590     3030    10500 |     6050      254    110 |  0.000 % |
0.09/0.13	c |       488 |    1590     3030    10500 |     6655      488    167 |  0.000 % |
0.19/0.22	c |       825 |    1590     3030    10500 |     7320      825    218 |  0.000 % |
0.29/0.36	c |      1337 |    1590     3030    10500 |     8052     1337    198 |  0.000 % |
0.49/0.50	c ===============================================================================
0.49/0.52	c core #3
0.49/0.52	c Core size: 1747	Core Weight: 1	Total Weight: 3
0.49/0.52	c Elapsed CPU time: 0.512922 s	Remaining CPU time: 1799.49 s
0.49/0.52	c ============================[ Search Statistics ]==============================
0.49/0.52	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.49/0.52	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.49/0.52	c ===============================================================================
0.49/0.52	c |         0 |    1640     3031    10600 |     5000        0    nan |  0.000 % |
0.49/0.54	c |       102 |    1640     3031    10600 |     5500      102    116 |  0.001 % |
0.49/0.54	c ===============================================================================
0.49/0.54	c Verified 3031 original clauses.
0.49/0.54	c #cores: 3
0.49/0.54	c Final Weight: 3
0.49/0.54	o 3
0.49/0.54	s OPTIMUM FOUND
0.49/0.54	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 -x36 -x37 -x38 -x39 -x40 -x41 -x42 -x43 -x44 -x45 -x46 -x47 -x48 x49 -x50 -x51 -x52 -x53 -x54 -x55 -x56 -x57 -x58 -x59 -x60 x61 -x62 -x63 -x64 -x65 -x66 -x67 -x68 -x69 -x70 -x71 -x72 -x73 x74 -x75 -x76 -x77 -x78 -x79 x80 -x81 -x82 -x83 -x84 -x85 -x86 -x87 -x88 -x89 -x90 -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 -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 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 -x166 x167 -x168 -x169 -x170 -x171 -x172 -x173 -x174 -x175 -x176 x177 -x178 -x179 -x180 -x181 -x182 -x183 -x184 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Verifier Data 

OK	3

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1875298-1245193852/watcher-1875298-1245193852 -o /tmp/evaluation-result-1875298-1245193852/solver-1875298-1245193852 -C 1800 -W 2000 -M 1800 wbo -file-format=opb -time-limit=1800 HOME/instance-1875298-1245193852.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: 0.99 0.98 0.99 3/64 8258
/proc/meminfo: memFree=1827320/2055920 swapFree=4192812/4192956
[pid=8258] ppid=8256 vsize=2792 CPUtime=0
/proc/8258/stat : 8258 (wbo) R 8256 8258 8077 0 -1 4194304 240 0 0 0 0 0 0 0 18 0 1 0 186982054 2859008 224 1992294400 134512640 135709839 4294956240 18446744073709551615 135189690 0 0 4096 3 0 0 0 17 1 0 0
/proc/8258/statm: 698 224 128 292 0 377 0

[startup+0.0546621 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 8258
/proc/meminfo: memFree=1827320/2055920 swapFree=4192812/4192956
[pid=8258] ppid=8256 vsize=3500 CPUtime=0.05
/proc/8258/stat : 8258 (wbo) R 8256 8258 8077 0 -1 4194304 475 0 0 0 5 0 0 0 18 0 1 0 186982054 3584000 433 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/8258/statm: 875 433 136 292 0 580 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 3500

[startup+0.101667 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 8258
/proc/meminfo: memFree=1827320/2055920 swapFree=4192812/4192956
[pid=8258] ppid=8256 vsize=3632 CPUtime=0.09
/proc/8258/stat : 8258 (wbo) R 8256 8258 8077 0 -1 4194304 505 0 0 0 9 0 0 0 18 0 1 0 186982054 3719168 463 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/8258/statm: 908 463 136 292 0 613 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3632

[startup+0.301688 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 8258
/proc/meminfo: memFree=1827320/2055920 swapFree=4192812/4192956
[pid=8258] ppid=8256 vsize=4556 CPUtime=0.29
/proc/8258/stat : 8258 (wbo) R 8256 8258 8077 0 -1 4194304 748 0 0 0 29 0 0 0 19 0 1 0 186982054 4665344 706 1992294400 134512640 135709839 4294956240 18446744073709551615 135168571 0 0 4096 3 0 0 0 17 1 0 0
/proc/8258/statm: 1139 706 136 292 0 844 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4556

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

[startup+0.501711 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 8258
/proc/meminfo: memFree=1827320/2055920 swapFree=4192812/4192956
[pid=8258] ppid=8256 vsize=5348 CPUtime=0.49
/proc/8258/stat : 8258 (wbo) R 8256 8258 8077 0 -1 4194304 930 0 0 0 49 0 0 0 20 0 1 0 186982054 5476352 888 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/8258/statm: 1337 888 136 292 0 1042 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 5348

Child status: 0
Real time (s): 0.548849
CPU time (s): 0.547916
CPU user time (s): 0.538918
CPU system time (s): 0.008998
CPU usage (%): 99.83
Max. virtual memory (cumulated for all children) (KiB): 5348

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.538918
system time used= 0.008998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1068
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= 2
involuntary context switches= 1

runsolver used 0.004999 second user time and 0.003999 second system time

The end

Launcher Data 

Begin job on node42 at 2009-06-17 01:10:52
IDJOB=1875298
IDBENCH=48138
IDSOLVER=698
FILE ID=node42/1875298-1245193852
PBS_JOBID= 9368317
Free space on /tmp= 66148 MiB

SOLVER NAME= wbo 1.0
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/manquinho/mds/normalized-mds_50_25_5.opb
COMMAND LINE= wbo -file-format=opb -time-limit=TIMEOUT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1875298-1245193852/watcher-1875298-1245193852 -o /tmp/evaluation-result-1875298-1245193852/solver-1875298-1245193852 -C 1800 -W 2000 -M 1800  wbo -file-format=opb -time-limit=1800 HOME/instance-1875298-1245193852.opb

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

MD5SUM BENCH= f4c69768619389ba083d2740787a0405
RANDOM SEED=1034718711

node42.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.214
cache size	: 2048 KB
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 pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5914.62
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		: 3000.214
cache size	: 2048 KB
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 pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1827928 kB
Buffers:         42732 kB
Cached:         111356 kB
SwapCached:          0 kB
Active:          48404 kB
Inactive:       119632 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1827928 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2488 kB
Writeback:           0 kB
Mapped:          23760 kB
Slab:            46016 kB
Committed_AS:   174164 kB
PageTables:       1396 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-1875298-1245193852.opb

Free space on /tmp at the end= 66144 MiB
End job on node42 at 2009-06-17 01:10:53