Trace number 2681387

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/CT 0.1 fixedSAT 21.2258 21.2329

General information on the benchmark

Namenormalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/
manquinho/dbsg/normalized-dbsg_500_60_2_15.opb
MD5SUM40a2ba0dbddb74264297ba04f9c13f4e
Bench CategoryDEC-SMALLINT-NLC (no optimisation, small integers, non linear constraints)
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 benchmark4.93625
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1000
Total number of constraints1502
Number of constraints which are clauses500
Number of constraints which are cardinality constraints (but not clauses)1
Number of constraints which are nor clauses,nor cardinality constraints1001
Minimum length of a constraint2
Maximum length of a constraint1000
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 15
Number of bits of the biggest number in a constraint 4
Biggest sum of numbers in a constraint 1000
Number of bits of the biggest sum of numbers10
Number of products (including duplicates)74976
Sum of products size (including duplicates)149952
Number of different products37488
Sum of products size74976

Solver Data 

0.00/0.00	c PB/CT 0.1.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.69/0.73	c constraints 38490/0 clauses 37988/0 units 0
0.69/0.73	c vars 1000
16.08/16.18	c 14.9817 1056.71 35 39037
16.08/16.18	s SATISFIABLE
16.08/16.18	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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-x854 -x855 -x856 -x857 -x858 -x859 -x860 -x861 -x862 -x863 -x864 -x865 -x866 -x867 -x868 -x869 -x870 -x871 -x872 -x873 -x874 -x875 -x876 -x877 -x878 -x879 -x880 -x881 -x882 -x883 -x884 -x885 -x886 -x887 -x888 -x889 -x890 -x891 -x892 -x893 -x894 -x895 -x896 -x897 -x898 -x899 -x900 -x901 -x902 -x903 -x904 -x905 -x906 x907 -x908 -x909 -x910 -x911 -x912 x913 -x914 -x915 -x916 -x917 -x918 -x919 -x920 -x921 -x922 -x923 -x924 -x925 -x926 -x927 -x928 -x929 -x930 -x931 -x932 -x933 -x934 -x935 -x936 -x937 -x938 -x939 -x940 -x941 -x942 x943 -x944 -x945 -x946 -x947 -x948 -x949 -x950 -x951 -x952 -x953 -x954 -x955 -x956 -x957 -x958 -x959 -x960 -x961 -x962 -x963 x964 -x965 -x966 -x967 -x968 -x969 -x970 -x971 -x972 -x973 -x974 -x975 -x976 -x977 -x978 -x979 -x980 -x981 -x982 -x983 -x984 -x985 -x986 -x987 -x988 -x989 -x990 -x991 -x992 -x993 -x994 -x995 -x996 -x997 -x998 x999 -x1000

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-2681387-1277506246/watcher-2681387-1277506246 -o /tmp/evaluation-result-2681387-1277506246/solver-2681387-1277506246 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2681387-1277506246.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: 0.85 0.97 0.99 2/106 22601
/proc/meminfo: memFree=1861808/2059040 swapFree=4135388/4192956
[pid=22601] ppid=22599 vsize=2268 CPUtime=0
/proc/22601/stat : 22601 (pbct) R 22599 22601 22576 0 -1 4202496 297 0 0 0 0 0 0 0 25 0 1 0 124276508 2322432 216 1992294400 134512640 136421960 4291088368 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/22601/statm: 567 216 144 467 0 98 0

[startup+0.026645 s]
/proc/loadavg: 0.85 0.97 0.99 2/106 22601
/proc/meminfo: memFree=1861808/2059040 swapFree=4135388/4192956
[pid=22601] ppid=22599 vsize=2796 CPUtime=0.02
/proc/22601/stat : 22601 (pbct) R 22599 22601 22576 0 -1 4202496 422 0 0 0 2 0 0 0 25 0 1 0 124276508 2863104 341 1992294400 134512640 136421960 4291088368 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/22601/statm: 699 342 144 467 0 230 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 2796

[startup+0.10066 s]
/proc/loadavg: 0.85 0.97 0.99 2/106 22601
/proc/meminfo: memFree=1861808/2059040 swapFree=4135388/4192956
[pid=22601] ppid=22599 vsize=4908 CPUtime=0.09
/proc/22601/stat : 22601 (pbct) R 22599 22601 22576 0 -1 4202496 945 0 0 0 9 0 0 0 25 0 1 0 124276508 5025792 864 1992294400 134512640 136421960 4291088368 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/22601/statm: 1227 864 144 467 0 758 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4908

[startup+0.300696 s]
/proc/loadavg: 0.85 0.97 0.99 2/106 22601
/proc/meminfo: memFree=1861808/2059040 swapFree=4135388/4192956
[pid=22601] ppid=22599 vsize=10588 CPUtime=0.29
/proc/22601/stat : 22601 (pbct) R 22599 22601 22576 0 -1 4202496 2351 0 0 0 28 1 0 0 25 0 1 0 124276508 10842112 2270 1992294400 134512640 136421960 4291088368 18446744073709551615 134554329 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/22601/statm: 2647 2271 145 467 0 2178 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 10588

[startup+0.700768 s]
/proc/loadavg: 0.85 0.97 0.99 2/106 22601
/proc/meminfo: memFree=1861808/2059040 swapFree=4135388/4192956
[pid=22601] ppid=22599 vsize=24572 CPUtime=0.69
/proc/22601/stat : 22601 (pbct) R 22599 22601 22576 0 -1 4202496 5862 0 0 0 67 2 0 0 25 0 1 0 124276508 25161728 5715 1992294400 134512640 136421960 4291088368 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/22601/statm: 6143 5715 145 467 0 5674 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 24572

[startup+1.50091 s]
/proc/loadavg: 0.85 0.97 0.99 2/107 22602
/proc/meminfo: memFree=1811952/2059040 swapFree=4135388/4192956
[pid=22601] ppid=22599 vsize=97100 CPUtime=1.49
/proc/22601/stat : 22601 (pbct) R 22599 22601 22576 0 -1 4202496 24578 0 0 0 139 10 0 0 25 0 1 0 124276508 99430400 23248 1992294400 134512640 136421960 4291088368 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22601/statm: 24275 23248 188 467 0 23806 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 97100

[startup+3.10021 s]
/proc/loadavg: 0.86 0.97 0.99 2/107 22602
/proc/meminfo: memFree=1721184/2059040 swapFree=4135388/4192956
[pid=22601] ppid=22599 vsize=214572 CPUtime=3.09
/proc/22601/stat : 22601 (pbct) R 22599 22601 22576 0 -1 4202496 56053 0 0 0 285 24 0 0 25 0 1 0 124276508 219721728 52732 1992294400 134512640 136421960 4291088368 18446744073709551615 135492013 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22601/statm: 53643 52733 193 467 0 53174 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 214572

[startup+6.30079 s]
/proc/loadavg: 0.86 0.97 0.99 2/107 22602
/proc/meminfo: memFree=1505796/2059040 swapFree=4135388/4192956
[pid=22601] ppid=22599 vsize=419056 CPUtime=6.28
/proc/22601/stat : 22601 (pbct) R 22599 22601 22576 0 -1 4202496 110818 0 0 0 581 47 0 0 25 0 1 0 124276508 429113344 104164 1992294400 134512640 136421960 4291088368 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22601/statm: 104764 104164 193 467 0 104295 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 419056

[startup+12.7019 s]
/proc/loadavg: 0.88 0.97 0.99 2/107 22604
/proc/meminfo: memFree=927344/2059040 swapFree=4135388/4192956
[pid=22601] ppid=22599 vsize=968772 CPUtime=12.68
/proc/22601/stat : 22601 (pbct) R 22599 22601 22576 0 -1 4202496 254305 0 0 0 1161 107 0 0 25 0 1 0 124276508 992022528 235605 1992294400 134512640 136421960 4291088368 18446744073709551615 135818281 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22601/statm: 242193 235605 203 467 0 241724 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 968772

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

[startup+15.9015 s]
/proc/loadavg: 0.88 0.97 0.99 2/107 22604
/proc/meminfo: memFree=814380/2059040 swapFree=4135388/4192956
[pid=22601] ppid=22599 vsize=1079144 CPUtime=15.89
/proc/22601/stat : 22601 (pbct) R 22599 22601 22576 0 -1 4202496 283770 0 0 0 1470 119 0 0 25 0 1 0 124276508 1105043456 262625 1992294400 134512640 136421960 4291088368 18446744073709551615 135020636 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22601/statm: 269786 262625 213 467 0 269317 0
Current children cumulated CPU time (s) 15.89
Current children cumulated vsize (KiB) 1079144

[startup+19.1011 s]
/proc/loadavg: 0.89 0.97 0.99 2/107 22604
/proc/meminfo: memFree=879852/2059040 swapFree=4135388/4192956
[pid=22601] ppid=22599 vsize=998980 CPUtime=19.08
/proc/22601/stat : 22601 (pbct) R 22599 22601 22576 0 -1 4202496 284545 0 0 0 1788 120 0 0 25 0 1 0 124276508 1022955520 244940 1992294400 134512640 136421960 4291088368 18446744073709551615 135801307 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22601/statm: 249745 244940 239 467 0 249276 0
Current children cumulated CPU time (s) 19.08
Current children cumulated vsize (KiB) 998980

[startup+19.9013 s]
/proc/loadavg: 0.89 0.97 0.99 2/107 22604
/proc/meminfo: memFree=879852/2059040 swapFree=4135388/4192956
[pid=22601] ppid=22599 vsize=998980 CPUtime=19.88
/proc/22601/stat : 22601 (pbct) R 22599 22601 22576 0 -1 4202496 284545 0 0 0 1868 120 0 0 25 0 1 0 124276508 1022955520 244940 1992294400 134512640 136421960 4291088368 18446744073709551615 135801367 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22601/statm: 249745 244940 239 467 0 249276 0
Current children cumulated CPU time (s) 19.88
Current children cumulated vsize (KiB) 998980

[startup+20.7014 s]
/proc/loadavg: 0.89 0.97 0.99 2/107 22604
/proc/meminfo: memFree=879852/2059040 swapFree=4135388/4192956
[pid=22601] ppid=22599 vsize=940312 CPUtime=20.68
/proc/22601/stat : 22601 (pbct) R 22599 22601 22576 0 -1 4202496 284545 0 0 0 1948 120 0 0 25 0 1 0 124276508 962879488 234657 1992294400 134512640 136421960 4291088368 18446744073709551615 135801367 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22601/statm: 235078 234657 239 467 0 234609 0
Current children cumulated CPU time (s) 20.68
Current children cumulated vsize (KiB) 940312

[startup+21.1015 s]
/proc/loadavg: 0.89 0.97 0.99 2/107 22604
/proc/meminfo: memFree=921144/2059040 swapFree=4135388/4192956
[pid=22601] ppid=22599 vsize=940312 CPUtime=21.08
/proc/22601/stat : 22601 (pbct) R 22599 22601 22576 0 -1 4202496 284545 0 0 0 1988 120 0 0 25 0 1 0 124276508 962879488 234657 1992294400 134512640 136421960 4291088368 18446744073709551615 135801316 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22601/statm: 235078 234657 239 467 0 234609 0
Current children cumulated CPU time (s) 21.08
Current children cumulated vsize (KiB) 940312

[startup+21.2015 s]
/proc/loadavg: 0.89 0.97 0.99 2/107 22604
/proc/meminfo: memFree=921144/2059040 swapFree=4135388/4192956
[pid=22601] ppid=22599 vsize=0 CPUtime=21.19
/proc/22601/stat : 22601 (pbct) R 22599 22601 22576 0 -1 4202500 284546 0 0 0 1992 127 0 0 25 0 1 0 124276508 0 0 1992294400 0 0 0 0 0 0 0 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/22601/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 21.19
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 21.2329
CPU time (s): 21.2258
CPU user time (s): 19.924
CPU system time (s): 1.3018
CPU usage (%): 99.9666
Max. virtual memory (cumulated for all children) (KiB): 1082064

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 19.924
system time used= 1.3018
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 284546
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= 287

runsolver used 0.040993 second user time and 0.12598 second system time

The end

Launcher Data 

Begin job on node027 at 2010-06-26 00:50:47
IDJOB=2681387
IDBENCH=48381
IDSOLVER=1192
FILE ID=node027/2681387-1277506246
PBS_JOBID= 11190631
Free space on /tmp= 62028 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB07/normalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/manquinho/dbsg/normalized-dbsg_500_60_2_15.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2681387-1277506246/watcher-2681387-1277506246 -o /tmp/evaluation-result-2681387-1277506246/solver-2681387-1277506246 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2681387-1277506246.opb

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

MD5SUM BENCH= 40a2ba0dbddb74264297ba04f9c13f4e
RANDOM SEED=942433523

node027.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		: 2800.261
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	: 5600.52
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		: 2800.261
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:       1862336 kB
Buffers:         32504 kB
Cached:          76440 kB
SwapCached:       9676 kB
Active:          57964 kB
Inactive:        63644 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1862336 kB
SwapTotal:     4192956 kB
SwapFree:      4135388 kB
Dirty:            2964 kB
Writeback:           0 kB
AnonPages:       11472 kB
Mapped:           8292 kB
Slab:            53072 kB
PageTables:       4180 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182160 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264952 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62024 MiB
End job on node027 at 2010-06-26 00:51:08