Trace number 1880165

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
bsolo 3.1 pbSAT 10.0075 10.0105

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1111222248.opb
MD5SUMa1b7d9ff85f22909961574d8ed062292
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 benchmark0.165974
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables169
Total number of constraints101
Number of constraints which are clauses30
Number of constraints which are cardinality constraints (but not clauses)70
Number of constraints which are nor clauses,nor cardinality constraints1
Minimum length of a constraint2
Maximum length of a constraint169
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 38
Number of bits of the biggest number in a constraint 6
Biggest sum of numbers in a constraint 1127
Number of bits of the biggest sum of numbers11
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 bsolo beta version 3.1 - 13/04/2009 : 1630 GMT
0.00/0.00	c Developed by Vasco Manquinho and José Santos IST/UTL - INESC-ID
0.00/0.00	c type "bsolo -h" for help
0.00/0.00	c Time Limit set via environment variable PBTIMEOUT to 1800
0.00/0.00	c Learning Strategy: Generic Pseudo-Boolean Learning
0.00/0.00	c Time Limit set to 1800
0.00/0.00	c Memory Limit set to 1800 MB
0.00/0.00	c Instance file HOME/instance-1880165-1245115806.opb
0.00/0.00	c File size is 9895 bytes.
0.00/0.00	c Highest Coefficient sum: 1127
0.00/0.00	c Parsing was ok!!
0.00/0.00	c Total parsing time: 0 s
0.00/0.00	c Var: 169 Constr: 101 30/70/1 Lit: 1205 Watch. Lit: 900
0.00/0.00	c Obj. Vars: 0 (0 % of total variables)
0.00/0.00	c Pre-processing Time: 0.005 s
0.00/0.00	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.00	c        0    169       99     1179   11      879    2563      0      0 0.01
0.00/0.00	c Switching off lower bounding mode.
9.99/10.00	c      100    169      299    19529   65    12367    2820    200   1851 0.05
9.99/10.00	c      251    169      601    50001   83    25458    3103    502   1356 0.18
9.99/10.00	c      477    169     1047    93203   89    47055    3414    948    908 0.53
9.99/10.00	c      816    169     1710   157536   92    75620    3756   1611    631 1.29
9.99/10.00	c     1325    169     2678   253571   94   113675    4132   2579    445 2.97
9.99/10.00	c     2088    169     4031   383028   95   157452    4546   3932    300 6.96
9.99/10.00	c Backtracks by Clause: 1935
9.99/10.00	c Backtracks by PB constraint: 255
9.99/10.00	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 
9.99/10.00	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
9.99/10.00	c    6     2506    506     3778     4755   453048   4656    250 10.00
9.99/10.00	s SATISFIABLE
9.99/10.00	c Total time: 10.004 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-1880165-1245115806/watcher-1880165-1245115806 -o /tmp/evaluation-result-1880165-1245115806/solver-1880165-1245115806 -C 1800 -W 2000 -M 1800 bsolo -l3 -t1800 -m1800 HOME/instance-1880165-1245115806.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: 1.06 1.01 1.03 3/64 32555
/proc/meminfo: memFree=1085104/2055920 swapFree=4192812/4192956
[pid=32555] ppid=32553 vsize=10708 CPUtime=0
/proc/32555/stat : 32555 (bsolo) R 32553 32555 31844 0 -1 4194304 258 0 0 0 0 0 0 0 18 0 1 0 179177877 10964992 239 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32555/statm: 2677 239 188 640 0 2033 0

[startup+0.0207919 s]
/proc/loadavg: 1.06 1.01 1.03 3/64 32555
/proc/meminfo: memFree=1085104/2055920 swapFree=4192812/4192956
[pid=32555] ppid=32553 vsize=10840 CPUtime=0.01
/proc/32555/stat : 32555 (bsolo) R 32553 32555 31844 0 -1 4194304 315 0 0 0 1 0 0 0 18 0 1 0 179177877 11100160 296 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32555/statm: 2710 296 196 640 0 2066 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 10840

[startup+0.1018 s]
/proc/loadavg: 1.06 1.01 1.03 3/64 32555
/proc/meminfo: memFree=1085104/2055920 swapFree=4192812/4192956
[pid=32555] ppid=32553 vsize=11484 CPUtime=0.09
/proc/32555/stat : 32555 (bsolo) R 32553 32555 31844 0 -1 4194304 470 0 0 0 9 0 0 0 18 0 1 0 179177877 11759616 451 1992294400 134512640 137136520 4294956256 18446744073709551615 135982481 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32555/statm: 2871 451 196 640 0 2227 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11484

[startup+0.301819 s]
/proc/loadavg: 1.06 1.01 1.03 3/64 32555
/proc/meminfo: memFree=1085104/2055920 swapFree=4192812/4192956
[pid=32555] ppid=32553 vsize=12388 CPUtime=0.29
/proc/32555/stat : 32555 (bsolo) R 32553 32555 31844 0 -1 4194304 683 0 0 0 29 0 0 0 19 0 1 0 179177877 12685312 664 1992294400 134512640 137136520 4294956256 18446744073709551615 136504572 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32555/statm: 3097 664 197 640 0 2453 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12388

[startup+0.701859 s]
/proc/loadavg: 1.06 1.01 1.03 3/64 32555
/proc/meminfo: memFree=1085104/2055920 swapFree=4192812/4192956
[pid=32555] ppid=32553 vsize=13436 CPUtime=0.69
/proc/32555/stat : 32555 (bsolo) R 32553 32555 31844 0 -1 4194304 961 0 0 0 69 0 0 0 22 0 1 0 179177877 13758464 942 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32555/statm: 3359 942 197 640 0 2715 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 13436

[startup+1.50194 s]
/proc/loadavg: 1.06 1.01 1.03 2/65 32556
/proc/meminfo: memFree=1081448/2055920 swapFree=4192812/4192956
[pid=32555] ppid=32553 vsize=14868 CPUtime=1.49
/proc/32555/stat : 32555 (bsolo) R 32553 32555 31844 0 -1 4194304 1326 0 0 0 148 1 0 0 25 0 1 0 179177877 15224832 1307 1992294400 134512640 137136520 4294956256 18446744073709551615 134616816 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32555/statm: 3717 1307 197 640 0 3073 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 14868

[startup+3.1011 s]
/proc/loadavg: 1.06 1.01 1.03 2/65 32556
/proc/meminfo: memFree=1079592/2055920 swapFree=4192812/4192956
[pid=32555] ppid=32553 vsize=16820 CPUtime=3.08
/proc/32555/stat : 32555 (bsolo) R 32553 32555 31844 0 -1 4194304 1804 0 0 0 307 1 0 0 25 0 1 0 179177877 17223680 1785 1992294400 134512640 137136520 4294956256 18446744073709551615 134544129 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32555/statm: 4205 1785 197 640 0 3561 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 16820

[startup+6.30142 s]
/proc/loadavg: 1.05 1.01 1.03 2/65 32556
/proc/meminfo: memFree=1076648/2055920 swapFree=4192812/4192956
[pid=32555] ppid=32553 vsize=19164 CPUtime=6.29
/proc/32555/stat : 32555 (bsolo) R 32553 32555 31844 0 -1 4194304 2397 0 0 0 627 2 0 0 25 0 1 0 179177877 19623936 2378 1992294400 134512640 137136520 4294956256 18446744073709551615 134543927 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32555/statm: 4791 2378 197 640 0 4147 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 19164

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

[startup+7.90158 s]
/proc/loadavg: 1.05 1.01 1.03 2/65 32556
/proc/meminfo: memFree=1075376/2055920 swapFree=4192812/4192956
[pid=32555] ppid=32553 vsize=20084 CPUtime=7.89
/proc/32555/stat : 32555 (bsolo) R 32553 32555 31844 0 -1 4194304 2610 0 0 0 787 2 0 0 25 0 1 0 179177877 20566016 2591 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32555/statm: 5021 2591 197 640 0 4377 0
Current children cumulated CPU time (s) 7.89
Current children cumulated vsize (KiB) 20084

[startup+8.70166 s]
/proc/loadavg: 1.05 1.01 1.03 2/65 32556
/proc/meminfo: memFree=1074928/2055920 swapFree=4192812/4192956
[pid=32555] ppid=32553 vsize=20344 CPUtime=8.69
/proc/32555/stat : 32555 (bsolo) R 32553 32555 31844 0 -1 4194304 2686 0 0 0 867 2 0 0 25 0 1 0 179177877 20832256 2667 1992294400 134512640 137136520 4294956256 18446744073709551615 134543819 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32555/statm: 5086 2667 197 640 0 4442 0
Current children cumulated CPU time (s) 8.69
Current children cumulated vsize (KiB) 20344

[startup+9.50173 s]
/proc/loadavg: 1.05 1.01 1.03 2/65 32556
/proc/meminfo: memFree=1074928/2055920 swapFree=4192812/4192956
[pid=32555] ppid=32553 vsize=20736 CPUtime=9.49
/proc/32555/stat : 32555 (bsolo) R 32553 32555 31844 0 -1 4194304 2775 0 0 0 947 2 0 0 25 0 1 0 179177877 21233664 2756 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32555/statm: 5184 2756 197 640 0 4540 0
Current children cumulated CPU time (s) 9.49
Current children cumulated vsize (KiB) 20736

[startup+9.90577 s]
/proc/loadavg: 1.05 1.01 1.03 2/65 32556
/proc/meminfo: memFree=1074416/2055920 swapFree=4192812/4192956
[pid=32555] ppid=32553 vsize=20868 CPUtime=9.89
/proc/32555/stat : 32555 (bsolo) R 32553 32555 31844 0 -1 4194304 2814 0 0 0 987 2 0 0 25 0 1 0 179177877 21368832 2795 1992294400 134512640 137136520 4294956256 18446744073709551615 134544437 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32555/statm: 5217 2795 197 640 0 4573 0
Current children cumulated CPU time (s) 9.89
Current children cumulated vsize (KiB) 20868

[startup+10.0018 s]
/proc/loadavg: 1.05 1.01 1.03 2/65 32556
/proc/meminfo: memFree=1074416/2055920 swapFree=4192812/4192956
[pid=32555] ppid=32553 vsize=20868 CPUtime=9.99
/proc/32555/stat : 32555 (bsolo) R 32553 32555 31844 0 -1 4194304 2824 0 0 0 997 2 0 0 25 0 1 0 179177877 21368832 2805 1992294400 134512640 137136520 4294956256 18446744073709551615 134543927 0 0 4096 16384 0 0 0 17 1 0 0
/proc/32555/statm: 5217 2805 197 640 0 4573 0
Current children cumulated CPU time (s) 9.99
Current children cumulated vsize (KiB) 20868

Child status: 0
Real time (s): 10.0105
CPU time (s): 10.0075
CPU user time (s): 9.97948
CPU system time (s): 0.027995
CPU usage (%): 99.9693
Max. virtual memory (cumulated for all children) (KiB): 20868

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 9.97948
system time used= 0.027995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2826
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= 11

runsolver used 0.011998 second user time and 0.026995 second system time

The end

Launcher Data 

Begin job on node36 at 2009-06-16 03:30:06
IDJOB=1880165
IDBENCH=1234
IDSOLVER=701
FILE ID=node36/1880165-1245115806
PBS_JOBID= 9363652
Free space on /tmp= 66200 MiB

SOLVER NAME= bsolo 3.1 pb
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1111222248.opb
COMMAND LINE= bsolo -l3 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1880165-1245115806/watcher-1880165-1245115806 -o /tmp/evaluation-result-1880165-1245115806/solver-1880165-1245115806 -C 1800 -W 2000 -M 1800  bsolo -l3 -t1800 -m1800 HOME/instance-1880165-1245115806.opb

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

MD5SUM BENCH= a1b7d9ff85f22909961574d8ed062292
RANDOM SEED=1268623004

node36.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		: 3000.230
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		: 3000.230
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:       1085520 kB
Buffers:         32712 kB
Cached:         872844 kB
SwapCached:          0 kB
Active:          70852 kB
Inactive:       848548 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1085520 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            4104 kB
Writeback:           0 kB
Mapped:          23704 kB
Slab:            37052 kB
Committed_AS:   157124 kB
PageTables:       1360 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66196 MiB
End job on node36 at 2009-06-16 03:30:16