Trace number 2667782

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 0.1SAT 19.4875 9.80315

General information on the benchmark

Namenormalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/
manquinho/dbsg/normalized-dbsg_500_25_1_15.opb
MD5SUM47b7632eb38157f4d5f97020bef38ed5
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 benchmark2.05569
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)31432
Sum of products size (including duplicates)62864
Number of different products15716
Sum of products size31432

Solver Data 

0.00/0.00	c PB/CT 0.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.29/0.39	c constraints 16718/0 clauses 16216/0 units 0
0.29/0.39	c vars 1000
7.59/7.61	c 7.10492 458.977 82 19541
7.59/7.61	s SATISFIABLE
7.59/7.61	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 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-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-2667782-1276683565/watcher-2667782-1276683565 -o /tmp/evaluation-result-2667782-1276683565/solver-2667782-1276683565 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2667782-1276683565.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: 1.00 1.06 1.15 2/106 15559
/proc/meminfo: memFree=1724364/2059040 swapFree=4192956/4192956
[pid=15559] ppid=15557 vsize=2340 CPUtime=0
/proc/15559/stat : 15559 (pbct) R 15557 15559 14680 0 -1 4202496 286 0 0 0 0 0 0 0 25 0 1 0 9648847 2396160 209 1992294400 134512640 136485738 4292922976 18446744073709551615 135332318 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/15559/statm: 585 209 156 482 0 101 0

[startup+0.0322491 s]
/proc/loadavg: 1.00 1.06 1.15 2/106 15559
/proc/meminfo: memFree=1724364/2059040 swapFree=4192956/4192956
[pid=15559] ppid=15557 vsize=3000 CPUtime=0.02
/proc/15559/stat : 15559 (pbct) R 15557 15559 14680 0 -1 4202496 452 0 0 0 2 0 0 0 25 0 1 0 9648847 3072000 375 1992294400 134512640 136485738 4292922976 18446744073709551615 135180305 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/15559/statm: 750 376 156 482 0 266 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 3000

[startup+0.10126 s]
/proc/loadavg: 1.00 1.06 1.15 2/106 15559
/proc/meminfo: memFree=1724364/2059040 swapFree=4192956/4192956
[pid=15559] ppid=15557 vsize=4716 CPUtime=0.09
/proc/15559/stat : 15559 (pbct) R 15557 15559 14680 0 -1 4202496 882 0 0 0 9 0 0 0 25 0 1 0 9648847 4829184 805 1992294400 134512640 136485738 4292922976 18446744073709551615 134519936 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/15559/statm: 1179 805 156 482 0 695 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4716

[startup+0.301295 s]
/proc/loadavg: 1.00 1.06 1.15 2/106 15559
/proc/meminfo: memFree=1724364/2059040 swapFree=4192956/4192956
[pid=15559] ppid=15557 vsize=9544 CPUtime=0.29
/proc/15559/stat : 15559 (pbct) R 15557 15559 14680 0 -1 4202496 2098 0 0 0 28 1 0 0 25 0 1 0 9648847 9773056 2021 1992294400 134512640 136485738 4292922976 18446744073709551615 135173511 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/15559/statm: 2386 2021 156 482 0 1902 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 9544

[startup+0.700369 s]
/proc/loadavg: 1.00 1.06 1.15 2/106 15559
/proc/meminfo: memFree=1724364/2059040 swapFree=4192956/4192956
[pid=15559] ppid=15557 vsize=42296 CPUtime=0.69
/proc/15559/stat : 15559 (pbct) R 15557 15559 14680 0 -1 4202496 10344 0 0 0 64 5 0 0 25 0 1 0 9648847 43311104 10168 1992294400 134512640 136485738 4292922976 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15559/statm: 10574 10169 191 482 0 10090 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 42296

[startup+1.50051 s]
/proc/loadavg: 1.00 1.05 1.15 2/107 15560
/proc/meminfo: memFree=1660496/2059040 swapFree=4192956/4192956
[pid=15559] ppid=15557 vsize=99728 CPUtime=1.49
/proc/15559/stat : 15559 (pbct) R 15557 15559 14680 0 -1 4202496 25594 0 0 0 138 11 0 0 25 0 1 0 9648847 102121472 24238 1992294400 134512640 136485738 4292922976 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15559/statm: 24932 24239 196 482 0 24448 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 99728

[startup+3.1008 s]
/proc/loadavg: 1.00 1.05 1.15 2/107 15560
/proc/meminfo: memFree=1594156/2059040 swapFree=4192956/4192956
[pid=15559] ppid=15557 vsize=190624 CPUtime=3.09
/proc/15559/stat : 15559 (pbct) R 15557 15559 14680 0 -1 4202496 50144 0 0 0 287 22 0 0 25 0 1 0 9648847 195198976 46926 1992294400 134512640 136485738 4292922976 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15559/statm: 47656 46927 196 482 0 47172 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 190624

[startup+6.30038 s]
/proc/loadavg: 1.00 1.05 1.15 2/107 15560
/proc/meminfo: memFree=1326564/2059040 swapFree=4192956/4192956
[pid=15559] ppid=15557 vsize=425404 CPUtime=6.29
/proc/15559/stat : 15559 (pbct) R 15557 15559 14680 0 -1 4202496 111418 0 0 0 584 45 0 0 25 0 1 0 9648847 435613696 102806 1992294400 134512640 136485738 4292922976 18446744073709551615 135839862 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15559/statm: 106351 102806 208 482 0 105867 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 425404

############
# WARNING:
# current cumulated CPU time (0 s) is less than in the last sample (9.69 s)
# The time of a child was probably not reported to its father.
# (see the two samples below)
# Adding the difference (9.69 s) to the 'lost time'.

[startup+9.701 s]
/proc/loadavg: 1.00 1.05 1.15 2/107 15560
/proc/meminfo: memFree=1300648/2059040 swapFree=4192956/4192956
[pid=15559] ppid=15557 vsize=407840 CPUtime=9.69
/proc/15559/stat : 15559 (pbct) R 15557 15559 14680 0 -1 4202496 122651 0 0 0 918 51 0 0 25 0 1 0 9648847 417628160 101614 1992294400 134512640 136485738 4292922976 18446744073709551615 135839991 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15559/statm: 101960 101614 246 482 0 101476 0
Current children cumulated CPU time (s) 9.69
Current children cumulated vsize (KiB) 407840

[startup+9.80102 s]
/proc/loadavg: 1.00 1.05 1.15 2/107 15560
/proc/meminfo: memFree=1695588/2059040 swapFree=4192956/4192956
[pid=15559] ppid=-1 vsize=0 CPUtime=0
/proc/15559/stat : -- couldn't open stat file --/proc/15559/statm: Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 0
#
############


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

[startup+7.90067 s]
/proc/loadavg: 1.00 1.05 1.15 2/107 15560
/proc/meminfo: memFree=1270268/2059040 swapFree=4192956/4192956
[pid=15559] ppid=15557 vsize=445680 CPUtime=7.88
/proc/15559/stat : 15559 (pbct) R 15557 15559 14680 0 -1 4202496 122651 0 0 0 738 50 0 0 25 0 1 0 9648847 456376320 108717 1992294400 134512640 136485738 4292922976 18446744073709551615 135839892 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15559/statm: 111420 108717 246 482 0 110936 0
Current children cumulated CPU time (s) 7.88
Current children cumulated vsize (KiB) 445680

[startup+8.70082 s]
/proc/loadavg: 1.00 1.05 1.15 2/107 15560
/proc/meminfo: memFree=1300648/2059040 swapFree=4192956/4192956
[pid=15559] ppid=15557 vsize=432696 CPUtime=8.69
/proc/15559/stat : 15559 (pbct) R 15557 15559 14680 0 -1 4202496 122651 0 0 0 819 50 0 0 25 0 1 0 9648847 443080704 105685 1992294400 134512640 136485738 4292922976 18446744073709551615 134720175 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15559/statm: 108174 105685 246 482 0 107690 0
Current children cumulated CPU time (s) 8.69
Current children cumulated vsize (KiB) 432696

[startup+9.50097 s]
/proc/loadavg: 1.00 1.05 1.15 2/107 15560
/proc/meminfo: memFree=1300648/2059040 swapFree=4192956/4192956
[pid=15559] ppid=15557 vsize=431924 CPUtime=9.48
/proc/15559/stat : 15559 (pbct) R 15557 15559 14680 0 -1 4202496 122651 0 0 0 898 50 0 0 25 0 1 0 9648847 442290176 105492 1992294400 134512640 136485738 4292922976 18446744073709551615 135856849 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15559/statm: 107981 105492 246 482 0 107497 0
Current children cumulated CPU time (s) 9.48
Current children cumulated vsize (KiB) 431924

[startup+9.701 s]
/proc/loadavg: 1.00 1.05 1.15 2/107 15560
/proc/meminfo: memFree=1300648/2059040 swapFree=4192956/4192956
[pid=15559] ppid=15557 vsize=407840 CPUtime=9.69
/proc/15559/stat : 15559 (pbct) R 15557 15559 14680 0 -1 4202496 122651 0 0 0 918 51 0 0 25 0 1 0 9648847 417628160 101614 1992294400 134512640 136485738 4292922976 18446744073709551615 135839991 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15559/statm: 101960 101614 246 482 0 101476 0
Current children cumulated CPU time (s) 9.69
Current children cumulated vsize (KiB) 407840

[startup+9.80102 s]
/proc/loadavg: 1.00 1.05 1.15 2/107 15560
/proc/meminfo: memFree=1695588/2059040 swapFree=4192956/4192956
[pid=15559] ppid=-1 vsize=0 CPUtime=0
/proc/15559/stat : -- couldn't open stat file --/proc/15559/statm: Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 0

Child status: 0

# WARNING:
# The CPU time of some children was not reported to their father
# (probably because of a missing or aborted wait()).
# This 'lost CPU time' is added to the watched process CPU time.
#  lost CPU time (s): 9.69
#  lost CPU user time (s): 9.18
#  lost CPU system time (s): 0.51

Real time (s): 9.80315
CPU time (s): 19.4875
CPU user time (s): 18.4246
CPU system time (s): 1.06292
CPU usage (%): 198.788
Max. virtual memory (cumulated for all children) (KiB): 469988

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 9.24459
system time used= 0.552915
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 122652
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= 126

runsolver used 0.015997 second user time and 0.05999 second system time

The end

Launcher Data 

Begin job on node044 at 2010-06-16 12:19:25
IDJOB=2667782
IDBENCH=48370
IDSOLVER=1170
FILE ID=node044/2667782-1276683565
PBS_JOBID= 11172551
Free space on /tmp= 62588 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB07/normalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/manquinho/dbsg/normalized-dbsg_500_25_1_15.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2667782-1276683565/watcher-2667782-1276683565 -o /tmp/evaluation-result-2667782-1276683565/solver-2667782-1276683565 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2667782-1276683565.opb

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

MD5SUM BENCH= 47b7632eb38157f4d5f97020bef38ed5
RANDOM SEED=113286963

node044.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		: 3000.266
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	: 6000.53
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		: 3000.266
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	: 5599.46
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1724768 kB
Buffers:         64652 kB
Cached:         143916 kB
SwapCached:          0 kB
Active:         124552 kB
Inactive:       143436 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1724768 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            2424 kB
Writeback:           0 kB
AnonPages:       59360 kB
Mapped:          15452 kB
Slab:            44396 kB
PageTables:       4000 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180552 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= 62584 MiB
End job on node044 at 2010-06-16 12:19:35