Trace number 2681314

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 23.6974 23.7053

General information on the benchmark

Namenormalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/
manquinho/dbsg/normalized-dbsg_500_10_5_80.opb
MD5SUMaef8bab64cc2dcfbe1beaaaf4a02d676
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 benchmark1.2928
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 80
Number of bits of the biggest number in a constraint 7
Biggest sum of numbers in a constraint 1000
Number of bits of the biggest sum of numbers10
Number of products (including duplicates)12540
Sum of products size (including duplicates)25080
Number of different products6270
Sum of products size12540

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
0.09/0.13	c constraints 7272/0 clauses 6770/0 units 0
0.09/0.13	c vars 1000
22.68/22.78	c 22.2686 198.555 4071 63567
22.68/22.78	s SATISFIABLE
22.68/22.78	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 -x185 x186 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-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-2681314-1277505079/watcher-2681314-1277505079 -o /tmp/evaluation-result-2681314-1277505079/solver-2681314-1277505079 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2681314-1277505079.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 3/106 23919
/proc/meminfo: memFree=1899568/2059040 swapFree=4139124/4192956
[pid=23919] ppid=23917 vsize=2268 CPUtime=0
/proc/23919/stat : 23919 (pbct) R 23917 23919 23840 0 -1 4202496 293 0 0 0 0 0 0 0 25 0 1 0 124164251 2322432 212 1992294400 134512640 136421960 4292581856 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/23919/statm: 567 212 144 467 0 98 0

[startup+0.050885 s]
/proc/loadavg: 0.85 0.97 0.99 3/106 23919
/proc/meminfo: memFree=1899568/2059040 swapFree=4139124/4192956
[pid=23919] ppid=23917 vsize=3324 CPUtime=0.04
/proc/23919/stat : 23919 (pbct) R 23917 23919 23840 0 -1 4202496 555 0 0 0 4 0 0 0 25 0 1 0 124164251 3403776 474 1992294400 134512640 136421960 4292581856 18446744073709551615 135818262 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/23919/statm: 831 474 144 467 0 362 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 3324

[startup+0.100893 s]
/proc/loadavg: 0.85 0.97 0.99 3/106 23919
/proc/meminfo: memFree=1899568/2059040 swapFree=4139124/4192956
[pid=23919] ppid=23917 vsize=5052 CPUtime=0.09
/proc/23919/stat : 23919 (pbct) R 23917 23919 23840 0 -1 4202496 973 0 0 0 9 0 0 0 25 0 1 0 124164251 5173248 892 1992294400 134512640 136421960 4292581856 18446744073709551615 134519321 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/23919/statm: 1263 892 145 467 0 794 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5052

[startup+0.30093 s]
/proc/loadavg: 0.85 0.97 0.99 3/106 23919
/proc/meminfo: memFree=1899568/2059040 swapFree=4139124/4192956
[pid=23919] ppid=23917 vsize=23676 CPUtime=0.29
/proc/23919/stat : 23919 (pbct) R 23917 23919 23840 0 -1 4202496 5649 0 0 0 28 1 0 0 25 0 1 0 124164251 24244224 5568 1992294400 134512640 136421960 4292581856 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23919/statm: 5919 5569 188 467 0 5450 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 23676

[startup+0.701005 s]
/proc/loadavg: 0.85 0.97 0.99 3/106 23919
/proc/meminfo: memFree=1899568/2059040 swapFree=4139124/4192956
[pid=23919] ppid=23917 vsize=53728 CPUtime=0.69
/proc/23919/stat : 23919 (pbct) R 23917 23919 23840 0 -1 4202496 13633 0 0 0 63 6 0 0 25 0 1 0 124164251 55017472 12983 1992294400 134512640 136421960 4292581856 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23919/statm: 13432 12983 193 467 0 12963 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 53728

[startup+1.50115 s]
/proc/loadavg: 0.85 0.97 0.99 2/107 23920
/proc/meminfo: memFree=1827888/2059040 swapFree=4139124/4192956
[pid=23919] ppid=23917 vsize=106804 CPUtime=1.49
/proc/23919/stat : 23919 (pbct) R 23917 23919 23840 0 -1 4202496 27821 0 0 0 138 11 0 0 25 0 1 0 124164251 109367296 26334 1992294400 134512640 136421960 4292581856 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23919/statm: 26701 26335 193 467 0 26232 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 106804

[startup+3.10145 s]
/proc/loadavg: 0.85 0.97 0.99 2/107 23920
/proc/meminfo: memFree=1730052/2059040 swapFree=4139124/4192956
[pid=23919] ppid=23917 vsize=199600 CPUtime=3.09
/proc/23919/stat : 23919 (pbct) R 23917 23919 23840 0 -1 4202496 51254 0 0 0 285 24 0 0 25 0 1 0 124164251 204390400 47713 1992294400 134512640 136421960 4292581856 18446744073709551615 134868284 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23919/statm: 49900 47713 214 467 0 49431 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 199600

[startup+6.30105 s]
/proc/loadavg: 0.86 0.97 0.99 2/107 23920
/proc/meminfo: memFree=1708848/2059040 swapFree=4139124/4192956
[pid=23919] ppid=23917 vsize=199732 CPUtime=6.29
/proc/23919/stat : 23919 (pbct) R 23917 23919 23840 0 -1 4202496 51281 0 0 0 599 30 0 0 25 0 1 0 124164251 204525568 47740 1992294400 134512640 136421960 4292581856 18446744073709551615 135032201 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23919/statm: 49933 47740 214 467 0 49464 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 199732

[startup+12.7012 s]
/proc/loadavg: 0.87 0.97 0.99 2/107 23920
/proc/meminfo: memFree=1708476/2059040 swapFree=4139124/4192956
[pid=23919] ppid=23917 vsize=199996 CPUtime=12.69
/proc/23919/stat : 23919 (pbct) R 23917 23919 23840 0 -1 4202496 51360 0 0 0 1231 38 0 0 25 0 1 0 124164251 204795904 47819 1992294400 134512640 136421960 4292581856 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23919/statm: 49999 47819 214 467 0 49530 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 199996

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

[startup+19.1004 s]
/proc/loadavg: 0.88 0.97 0.99 2/107 23920
/proc/meminfo: memFree=1707856/2059040 swapFree=4139124/4192956
[pid=23919] ppid=23917 vsize=200788 CPUtime=19.09
/proc/23919/stat : 23919 (pbct) R 23917 23919 23840 0 -1 4202496 51537 0 0 0 1864 45 0 0 25 0 1 0 124164251 205606912 47996 1992294400 134512640 136421960 4292581856 18446744073709551615 135028857 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23919/statm: 50197 47996 214 467 0 49728 0
Current children cumulated CPU time (s) 19.09
Current children cumulated vsize (KiB) 200788

[startup+22.301 s]
/proc/loadavg: 0.89 0.97 0.99 2/107 23920
/proc/meminfo: memFree=1705748/2059040 swapFree=4139124/4192956
[pid=23919] ppid=23917 vsize=202900 CPUtime=22.28
/proc/23919/stat : 23919 (pbct) R 23917 23919 23840 0 -1 4202496 52078 0 0 0 2179 49 0 0 25 0 1 0 124164251 207769600 48537 1992294400 134512640 136421960 4292581856 18446744073709551615 135020787 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23919/statm: 50725 48537 214 467 0 50256 0
Current children cumulated CPU time (s) 22.28
Current children cumulated vsize (KiB) 202900

[startup+23.1092 s]
/proc/loadavg: 0.89 0.97 0.99 2/107 23920
/proc/meminfo: memFree=1711080/2059040 swapFree=4139124/4192956
[pid=23919] ppid=23917 vsize=193120 CPUtime=23.09
/proc/23919/stat : 23919 (pbct) R 23917 23919 23840 0 -1 4202496 52213 0 0 0 2259 50 0 0 25 0 1 0 124164251 197754880 46646 1992294400 134512640 136421960 4292581856 18446744073709551615 134584072 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23919/statm: 48280 46646 240 467 0 47811 0
Current children cumulated CPU time (s) 23.09
Current children cumulated vsize (KiB) 193120

[startup+23.5013 s]
/proc/loadavg: 0.89 0.97 0.99 2/107 23920
/proc/meminfo: memFree=1711080/2059040 swapFree=4139124/4192956
[pid=23919] ppid=23917 vsize=189916 CPUtime=23.48
/proc/23919/stat : 23919 (pbct) R 23917 23919 23840 0 -1 4202496 52213 0 0 0 2298 50 0 0 25 0 1 0 124164251 194473984 46018 1992294400 134512640 136421960 4292581856 18446744073709551615 135801172 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23919/statm: 47479 46018 240 467 0 47010 0
Current children cumulated CPU time (s) 23.48
Current children cumulated vsize (KiB) 189916

[startup+23.7013 s]
/proc/loadavg: 0.89 0.97 0.99 2/107 23920
/proc/meminfo: memFree=1711080/2059040 swapFree=4139124/4192956
[pid=23919] ppid=23917 vsize=0 CPUtime=23.68
/proc/23919/stat : 23919 (pbct) R 23917 23919 23840 0 -1 4202500 52214 0 0 0 2316 52 0 0 25 0 1 0 124164251 0 0 1992294400 0 0 0 0 0 0 0 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/23919/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 23.68
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 23.7053
CPU time (s): 23.6974
CPU user time (s): 23.1685
CPU system time (s): 0.528919
CPU usage (%): 99.9667
Max. virtual memory (cumulated for all children) (KiB): 203032

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 23.1685
system time used= 0.528919
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 52214
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= 91

runsolver used 0.049992 second user time and 0.109983 second system time

The end

Launcher Data 

Begin job on node019 at 2010-06-26 00:31:19
IDJOB=2681314
IDBENCH=48308
IDSOLVER=1192
FILE ID=node019/2681314-1277505079
PBS_JOBID= 11190605
Free space on /tmp= 62272 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB07/normalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/manquinho/dbsg/normalized-dbsg_500_10_5_80.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2681314-1277505079/watcher-2681314-1277505079 -o /tmp/evaluation-result-2681314-1277505079/solver-2681314-1277505079 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2681314-1277505079.opb

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

MD5SUM BENCH= aef8bab64cc2dcfbe1beaaaf4a02d676
RANDOM SEED=300106881

node019.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		: 3000.264
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	: 6000.52
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		: 3000.264
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:       1900088 kB
Buffers:         13520 kB
Cached:          64032 kB
SwapCached:       6060 kB
Active:          69856 kB
Inactive:        20316 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1900088 kB
SwapTotal:     4192956 kB
SwapFree:      4139124 kB
Dirty:            2344 kB
Writeback:           0 kB
AnonPages:       11380 kB
Mapped:          11840 kB
Slab:            46888 kB
PageTables:       4204 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182736 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62272 MiB
End job on node019 at 2010-06-26 00:31:43