Trace number 1878731

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 clSAT 22.1716 22.1805

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1111223416.opb
MD5SUM97d777a76af6dd4a37c6649bc0f315d3
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 benchmark0.703892
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 1208
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: Clause 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-1878731-1245115785.opb
0.00/0.00	c File size is 9907 bytes.
0.00/0.00	c Highest Coefficient sum: 1208
0.00/0.00	c Parsing was ok!!
0.00/0.00	c Total parsing time: 0.001 s
0.00/0.00	c Var: 169 Constr: 101 30/70/1 Lit: 1205 Watch. Lit: 897
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.
22.08/22.17	c      100    169      199     4075   20     1089    2820    100   7692 0.01
22.08/22.17	c      251    169      350     9864   28     1391    3103    251   9296 0.03
22.08/22.17	c      480    169      579    21216   36     1850    3414    480   8571 0.06
22.08/22.17	c      818    169      917    31775   34     2525    3756    818   7865 0.10
22.08/22.17	c     1328    169     1427    49150   34     3547    4132   1328   7026 0.19
22.08/22.17	c     2092    169     2191    83327   38     5073    4546   2092   6046 0.35
22.08/22.17	c     3242    169     3341   124693   37     7373    5001   3242   4559 0.71
22.08/22.17	c     4964    169     5063   185393   36    10819    5502   4964   3274 1.52
22.08/22.17	c     7548    169     4806   160570   33    10304    6053   4707   2669 2.83
22.08/22.17	c    11432    169     5554   191836   34    11801    6659   5455   2446 4.67
22.08/22.17	c    17254    169     4498   185698   41     9683    7325   4399   2166 7.96
22.08/22.17	c    25991    169     5692   222720   39    12076    8058   5593   1935 13.43
22.08/22.17	c Backtracks by Clause: 0
22.08/22.17	c Backtracks by PB constraint: 0
22.08/22.17	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 
22.08/22.17	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
22.08/22.17	c   12    38010   9760    58357     5288   223571   5189   1714 22.17
22.08/22.17	s SATISFIABLE
22.08/22.17	c Total time: 22.169 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-1878731-1245115785/watcher-1878731-1245115785 -o /tmp/evaluation-result-1878731-1245115785/solver-1878731-1245115785 -C 1800 -W 2000 -M 1800 bsolo -l1 -t1800 -m1800 HOME/instance-1878731-1245115785.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: 0.92 0.98 1.06 3/64 2409
/proc/meminfo: memFree=1148304/2055924 swapFree=4191900/4192956
[pid=2409] ppid=2407 vsize=10708 CPUtime=0
/proc/2409/stat : 2409 (bsolo) R 2407 2409 2114 0 -1 4194304 258 0 0 0 0 0 0 0 18 0 1 0 179179320 10964992 239 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2409/statm: 2677 239 188 640 0 2033 0

[startup+0.0561009 s]
/proc/loadavg: 0.92 0.98 1.06 3/64 2409
/proc/meminfo: memFree=1148304/2055924 swapFree=4191900/4192956
[pid=2409] ppid=2407 vsize=10960 CPUtime=0.05
/proc/2409/stat : 2409 (bsolo) R 2407 2409 2114 0 -1 4194304 341 0 0 0 5 0 0 0 18 0 1 0 179179320 11223040 322 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2409/statm: 2740 322 195 640 0 2096 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 10960

[startup+0.101108 s]
/proc/loadavg: 0.92 0.98 1.06 3/64 2409
/proc/meminfo: memFree=1148304/2055924 swapFree=4191900/4192956
[pid=2409] ppid=2407 vsize=11088 CPUtime=0.09
/proc/2409/stat : 2409 (bsolo) R 2407 2409 2114 0 -1 4194304 382 0 0 0 9 0 0 0 18 0 1 0 179179320 11354112 363 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2409/statm: 2772 363 195 640 0 2128 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11088

[startup+0.301147 s]
/proc/loadavg: 0.92 0.98 1.06 3/64 2409
/proc/meminfo: memFree=1148304/2055924 swapFree=4191900/4192956
[pid=2409] ppid=2407 vsize=11856 CPUtime=0.29
/proc/2409/stat : 2409 (bsolo) R 2407 2409 2114 0 -1 4194304 551 0 0 0 29 0 0 0 19 0 1 0 179179320 12140544 532 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2409/statm: 2964 532 195 640 0 2320 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11856

[startup+0.701224 s]
/proc/loadavg: 0.92 0.98 1.06 3/64 2409
/proc/meminfo: memFree=1148304/2055924 swapFree=4191900/4192956
[pid=2409] ppid=2407 vsize=12632 CPUtime=0.69
/proc/2409/stat : 2409 (bsolo) R 2407 2409 2114 0 -1 4194304 748 0 0 0 69 0 0 0 23 0 1 0 179179320 12935168 729 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2409/statm: 3158 729 195 640 0 2514 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 12632

[startup+1.50138 s]
/proc/loadavg: 0.92 0.98 1.06 2/65 2410
/proc/meminfo: memFree=1145736/2055924 swapFree=4191900/4192956
[pid=2409] ppid=2407 vsize=13524 CPUtime=1.49
/proc/2409/stat : 2409 (bsolo) R 2407 2409 2114 0 -1 4194304 991 0 0 0 148 1 0 0 25 0 1 0 179179320 13848576 972 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2409/statm: 3381 972 195 640 0 2737 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 13524

[startup+3.10169 s]
/proc/loadavg: 0.92 0.98 1.06 2/65 2410
/proc/meminfo: memFree=1144648/2055924 swapFree=4191900/4192956
[pid=2409] ppid=2407 vsize=13908 CPUtime=3.09
/proc/2409/stat : 2409 (bsolo) R 2407 2409 2114 0 -1 4194304 1087 0 0 0 308 1 0 0 25 0 1 0 179179320 14241792 1068 1992294400 134512640 137136520 4294956256 18446744073709551615 134544116 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2409/statm: 3477 1068 195 640 0 2833 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 13908

[startup+6.30132 s]
/proc/loadavg: 0.93 0.98 1.06 2/65 2410
/proc/meminfo: memFree=1144136/2055924 swapFree=4191900/4192956
[pid=2409] ppid=2407 vsize=14536 CPUtime=6.28
/proc/2409/stat : 2409 (bsolo) R 2407 2409 2114 0 -1 4194304 1250 0 0 0 626 2 0 0 25 0 1 0 179179320 14884864 1231 1992294400 134512640 137136520 4294956256 18446744073709551615 134543865 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2409/statm: 3634 1231 195 640 0 2990 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 14536

[startup+12.7016 s]
/proc/loadavg: 0.93 0.98 1.06 2/65 2410
/proc/meminfo: memFree=1142984/2055924 swapFree=4191900/4192956
[pid=2409] ppid=2407 vsize=15424 CPUtime=12.69
/proc/2409/stat : 2409 (bsolo) R 2407 2409 2114 0 -1 4194304 1447 0 0 0 1264 5 0 0 25 0 1 0 179179320 15794176 1428 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2409/statm: 3856 1428 195 640 0 3212 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 15424

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

[startup+19.1018 s]
/proc/loadavg: 0.94 0.98 1.06 2/65 2410
/proc/meminfo: memFree=1142472/2055924 swapFree=4191900/4192956
[pid=2409] ppid=2407 vsize=15936 CPUtime=19.09
/proc/2409/stat : 2409 (bsolo) R 2407 2409 2114 0 -1 4194304 1576 0 0 0 1902 7 0 0 25 0 1 0 179179320 16318464 1557 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2409/statm: 3984 1557 195 640 0 3340 0
Current children cumulated CPU time (s) 19.09
Current children cumulated vsize (KiB) 15936

[startup+20.7012 s]
/proc/loadavg: 0.94 0.98 1.06 2/65 2410
/proc/meminfo: memFree=1142472/2055924 swapFree=4191900/4192956
[pid=2409] ppid=2407 vsize=15936 CPUtime=20.69
/proc/2409/stat : 2409 (bsolo) R 2407 2409 2114 0 -1 4194304 1576 0 0 0 2062 7 0 0 25 0 1 0 179179320 16318464 1557 1992294400 134512640 137136520 4294956256 18446744073709551615 136502078 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2409/statm: 3984 1557 195 640 0 3340 0
Current children cumulated CPU time (s) 20.69
Current children cumulated vsize (KiB) 15936

[startup+21.5013 s]
/proc/loadavg: 0.94 0.98 1.06 2/65 2410
/proc/meminfo: memFree=1142472/2055924 swapFree=4191900/4192956
[pid=2409] ppid=2407 vsize=15936 CPUtime=21.48
/proc/2409/stat : 2409 (bsolo) R 2407 2409 2114 0 -1 4194304 1585 0 0 0 2141 7 0 0 25 0 1 0 179179320 16318464 1566 1992294400 134512640 137136520 4294956256 18446744073709551615 134543834 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2409/statm: 3984 1566 195 640 0 3340 0
Current children cumulated CPU time (s) 21.48
Current children cumulated vsize (KiB) 15936

[startup+21.9014 s]
/proc/loadavg: 0.94 0.98 1.06 2/65 2410
/proc/meminfo: memFree=1142344/2055924 swapFree=4191900/4192956
[pid=2409] ppid=2407 vsize=16060 CPUtime=21.88
/proc/2409/stat : 2409 (bsolo) R 2407 2409 2114 0 -1 4194304 1610 0 0 0 2181 7 0 0 25 0 1 0 179179320 16445440 1591 1992294400 134512640 137136520 4294956256 18446744073709551615 134543865 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2409/statm: 4015 1591 195 640 0 3371 0
Current children cumulated CPU time (s) 21.88
Current children cumulated vsize (KiB) 16060

[startup+22.1014 s]
/proc/loadavg: 0.94 0.98 1.06 2/65 2410
/proc/meminfo: memFree=1142344/2055924 swapFree=4191900/4192956
[pid=2409] ppid=2407 vsize=16060 CPUtime=22.08
/proc/2409/stat : 2409 (bsolo) R 2407 2409 2114 0 -1 4194304 1610 0 0 0 2201 7 0 0 25 0 1 0 179179320 16445440 1591 1992294400 134512640 137136520 4294956256 18446744073709551615 136518953 0 0 4096 16384 0 0 0 17 1 0 0
/proc/2409/statm: 4015 1591 195 640 0 3371 0
Current children cumulated CPU time (s) 22.08
Current children cumulated vsize (KiB) 16060

Child status: 0
Real time (s): 22.1805
CPU time (s): 22.1716
CPU user time (s): 22.0936
CPU system time (s): 0.077988
CPU usage (%): 99.96
Max. virtual memory (cumulated for all children) (KiB): 16060

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 22.0936
system time used= 0.077988
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1613
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= 38

runsolver used 0.016997 second user time and 0.057991 second system time

The end

Launcher Data 

Begin job on node6 at 2009-06-16 03:29:45
IDJOB=1878731
IDBENCH=1230
IDSOLVER=700
FILE ID=node6/1878731-1245115785
PBS_JOBID= 9363665
Free space on /tmp= 66240 MiB

SOLVER NAME= bsolo 3.1 cl
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1111223416.opb
COMMAND LINE= bsolo -l1 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1878731-1245115785/watcher-1878731-1245115785 -o /tmp/evaluation-result-1878731-1245115785/solver-1878731-1245115785 -C 1800 -W 2000 -M 1800  bsolo -l1 -t1800 -m1800 HOME/instance-1878731-1245115785.opb

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

MD5SUM BENCH= 97d777a76af6dd4a37c6649bc0f315d3
RANDOM SEED=1144997982

node6.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		: 3000.265
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		: 3000.265
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:      2055924 kB
MemFree:       1148720 kB
Buffers:         52576 kB
Cached:         773296 kB
SwapCached:        260 kB
Active:          64920 kB
Inactive:       774148 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055924 kB
LowFree:       1148720 kB
SwapTotal:     4192956 kB
SwapFree:      4191900 kB
Dirty:            3952 kB
Writeback:           0 kB
Mapped:          21748 kB
Slab:            54120 kB
Committed_AS:   147340 kB
PageTables:       1456 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= 66236 MiB
End job on node6 at 2009-06-16 03:30:07