Trace number 2681352

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 20.2529 20.2581

General information on the benchmark

Namenormalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/
manquinho/dbsg/normalized-dbsg_500_60_3_15.opb
MD5SUM318a02509ac7733b5c1657e14975af2b
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 benchmark5.13922
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)74920
Sum of products size (including duplicates)149840
Number of different products37460
Sum of products size74920

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
0.59/0.69	c constraints 38462/0 clauses 37960/0 units 0
0.59/0.69	c vars 1000
15.29/15.30	c 14.1918 1055.98 15 38804
15.29/15.30	s SATISFIABLE
15.29/15.30	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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-x852 -x853 -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-2681352-1277505514/watcher-2681352-1277505514 -o /tmp/evaluation-result-2681352-1277505514/solver-2681352-1277505514 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2681352-1277505514.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: 0.84 0.95 0.98 3/105 31056
/proc/meminfo: memFree=1891168/2059040 swapFree=4138812/4192956
[pid=31056] ppid=31054 vsize=2268 CPUtime=0
/proc/31056/stat : 31056 (pbct) R 31054 31056 30950 0 -1 4202496 294 0 0 0 0 0 0 0 25 0 1 0 91844947 2322432 214 1992294400 134512640 136421960 4293496656 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31056/statm: 567 215 144 467 0 98 0

[startup+0.104401 s]
/proc/loadavg: 0.84 0.95 0.98 3/105 31056
/proc/meminfo: memFree=1891168/2059040 swapFree=4138812/4192956
[pid=31056] ppid=31054 vsize=5172 CPUtime=0.09
/proc/31056/stat : 31056 (pbct) R 31054 31056 30950 0 -1 4202496 1015 0 0 0 9 0 0 0 25 0 1 0 91844947 5296128 935 1992294400 134512640 136421960 4293496656 18446744073709551615 135154818 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31056/statm: 1293 935 144 467 0 824 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5172

[startup+0.200411 s]
/proc/loadavg: 0.84 0.95 0.98 3/105 31056
/proc/meminfo: memFree=1891168/2059040 swapFree=4138812/4192956
[pid=31056] ppid=31054 vsize=8076 CPUtime=0.19
/proc/31056/stat : 31056 (pbct) R 31054 31056 30950 0 -1 4202496 1730 0 0 0 19 0 0 0 25 0 1 0 91844947 8269824 1650 1992294400 134512640 136421960 4293496656 18446744073709551615 135642860 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31056/statm: 2019 1650 144 467 0 1550 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 8076

[startup+0.300422 s]
/proc/loadavg: 0.84 0.95 0.98 3/105 31056
/proc/meminfo: memFree=1891168/2059040 swapFree=4138812/4192956
[pid=31056] ppid=31054 vsize=11124 CPUtime=0.29
/proc/31056/stat : 31056 (pbct) R 31054 31056 30950 0 -1 4202496 2488 0 0 0 29 0 0 0 25 0 1 0 91844947 11390976 2408 1992294400 134512640 136421960 4293496656 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31056/statm: 2781 2408 145 467 0 2312 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11124

[startup+0.700468 s]
/proc/loadavg: 0.84 0.95 0.98 3/105 31056
/proc/meminfo: memFree=1891168/2059040 swapFree=4138812/4192956
[pid=31056] ppid=31054 vsize=25948 CPUtime=0.69
/proc/31056/stat : 31056 (pbct) R 31054 31056 30950 0 -1 4202496 6186 0 0 0 67 2 0 0 25 0 1 0 91844947 26570752 6040 1992294400 134512640 136421960 4293496656 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31056/statm: 6487 6041 188 467 0 6018 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 25948

[startup+1.50056 s]
/proc/loadavg: 0.84 0.95 0.98 2/106 31057
/proc/meminfo: memFree=1827548/2059040 swapFree=4138812/4192956
[pid=31056] ppid=31054 vsize=104432 CPUtime=1.49
/proc/31056/stat : 31056 (pbct) R 31054 31056 30950 0 -1 4202496 26515 0 0 0 140 9 0 0 25 0 1 0 91844947 106938368 25186 1992294400 134512640 136421960 4293496656 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31056/statm: 26108 25187 188 467 0 25639 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 104432

[startup+3.10074 s]
/proc/loadavg: 0.85 0.95 0.98 2/106 31057
/proc/meminfo: memFree=1733680/2059040 swapFree=4138812/4192956
[pid=31056] ppid=31054 vsize=225976 CPUtime=3.09
/proc/31056/stat : 31056 (pbct) R 31054 31056 30950 0 -1 4202496 59084 0 0 0 288 21 0 0 25 0 1 0 91844947 231399424 55764 1992294400 134512640 136421960 4293496656 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31056/statm: 56494 55765 193 467 0 56025 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 225976

[startup+6.3011 s]
/proc/loadavg: 0.85 0.95 0.98 2/106 31059
/proc/meminfo: memFree=1510480/2059040 swapFree=4138812/4192956
[pid=31056] ppid=31054 vsize=455160 CPUtime=6.29
/proc/31056/stat : 31056 (pbct) R 31054 31056 30950 0 -1 4202496 120121 0 0 0 581 48 0 0 25 0 1 0 91844947 466083840 109370 1992294400 134512640 136421960 4293496656 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31056/statm: 113790 109371 193 467 0 113321 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 455160

[startup+12.7008 s]
/proc/loadavg: 0.88 0.95 0.98 2/106 31059
/proc/meminfo: memFree=948016/2059040 swapFree=4138812/4192956
[pid=31056] ppid=31054 vsize=976188 CPUtime=12.69
/proc/31056/stat : 31056 (pbct) R 31054 31056 30950 0 -1 4202496 256426 0 0 0 1171 98 0 0 25 0 1 0 91844947 999616512 237600 1992294400 134512640 136421960 4293496656 18446744073709551615 134888568 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31056/statm: 244047 237600 203 467 0 243578 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 976188

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

[startup+12.8018 s]
/proc/loadavg: 0.88 0.95 0.98 2/106 31059
/proc/meminfo: memFree=948016/2059040 swapFree=4138812/4192956
[pid=31056] ppid=31054 vsize=976452 CPUtime=12.79
/proc/31056/stat : 31056 (pbct) R 31054 31056 30950 0 -1 4202496 256673 0 0 0 1181 98 0 0 25 0 1 0 91844947 999886848 237847 1992294400 134512640 136421960 4293496656 18446744073709551615 134902735 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31056/statm: 244113 237847 203 467 0 243644 0
Current children cumulated CPU time (s) 12.79
Current children cumulated vsize (KiB) 976452

[startup+16.0002 s]
/proc/loadavg: 0.88 0.95 0.98 2/106 31059
/proc/meminfo: memFree=851668/2059040 swapFree=4138812/4192956
[pid=31056] ppid=31054 vsize=1025128 CPUtime=15.98
/proc/31056/stat : 31056 (pbct) R 31054 31056 30950 0 -1 4202496 284345 0 0 0 1487 111 0 0 25 0 1 0 91844947 1049731072 251318 1992294400 134512640 136421960 4293496656 18446744073709551615 134654884 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31056/statm: 256282 251318 239 467 0 255813 0
Current children cumulated CPU time (s) 15.98
Current children cumulated vsize (KiB) 1025128

[startup+17.6004 s]
/proc/loadavg: 0.89 0.95 0.98 2/106 31059
/proc/meminfo: memFree=910072/2059040 swapFree=4138812/4192956
[pid=31056] ppid=31054 vsize=998248 CPUtime=17.6
/proc/31056/stat : 31056 (pbct) R 31054 31056 30950 0 -1 4202496 284345 0 0 0 1648 112 0 0 25 0 1 0 91844947 1022205952 244753 1992294400 134512640 136421960 4293496656 18446744073709551615 135801268 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31056/statm: 249562 244753 239 467 0 249093 0
Current children cumulated CPU time (s) 17.6
Current children cumulated vsize (KiB) 998248

[startup+19.2006 s]
/proc/loadavg: 0.89 0.95 0.98 2/106 31059
/proc/meminfo: memFree=910072/2059040 swapFree=4138812/4192956
[pid=31056] ppid=31054 vsize=995164 CPUtime=19.19
/proc/31056/stat : 31056 (pbct) R 31054 31056 30950 0 -1 4202496 284345 0 0 0 1807 112 0 0 25 0 1 0 91844947 1019047936 243982 1992294400 134512640 136421960 4293496656 18446744073709551615 135801367 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31056/statm: 248791 243982 239 467 0 248322 0
Current children cumulated CPU time (s) 19.19
Current children cumulated vsize (KiB) 995164

[startup+20.0007 s]
/proc/loadavg: 0.89 0.95 0.98 2/106 31059
/proc/meminfo: memFree=951240/2059040 swapFree=4138812/4192956
[pid=31056] ppid=31054 vsize=939600 CPUtime=19.98
/proc/31056/stat : 31056 (pbct) R 31054 31056 30950 0 -1 4202496 284345 0 0 0 1886 112 0 0 25 0 1 0 91844947 962150400 234478 1992294400 134512640 136421960 4293496656 18446744073709551615 135801163 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31056/statm: 234900 234478 239 467 0 234431 0
Current children cumulated CPU time (s) 19.98
Current children cumulated vsize (KiB) 939600

[startup+20.2007 s]
/proc/loadavg: 0.89 0.95 0.98 2/106 31059
/proc/meminfo: memFree=951240/2059040 swapFree=4138812/4192956
[pid=31056] ppid=31054 vsize=0 CPUtime=20.18
/proc/31056/stat : 31056 (pbct) R 31054 31056 30950 0 -1 4202500 284346 0 0 0 1903 115 0 0 25 0 1 0 91844947 0 0 1992294400 0 0 0 0 0 0 0 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/31056/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 20.18
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 20.2581
CPU time (s): 20.2529
CPU user time (s): 19.0391
CPU system time (s): 1.21381
CPU usage (%): 99.9743
Max. virtual memory (cumulated for all children) (KiB): 1081324

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 19.0391
system time used= 1.21381
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 284346
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= 48

runsolver used 0.043993 second user time and 0.094985 second system time

The end

Launcher Data 

Begin job on node088 at 2010-06-26 00:38:34
IDJOB=2681352
IDBENCH=48346
IDSOLVER=1192
FILE ID=node088/2681352-1277505514
PBS_JOBID= 11190615
Free space on /tmp= 62468 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB07/normalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/manquinho/dbsg/normalized-dbsg_500_60_3_15.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2681352-1277505514/watcher-2681352-1277505514 -o /tmp/evaluation-result-2681352-1277505514/solver-2681352-1277505514 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2681352-1277505514.opb

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

MD5SUM BENCH= 318a02509ac7733b5c1657e14975af2b
RANDOM SEED=1239379276

node088.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		: 3000.217
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	: 6000.43
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		: 3000.217
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	: 5999.41
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1891696 kB
Buffers:         12612 kB
Cached:          64364 kB
SwapCached:       6152 kB
Active:          62956 kB
Inactive:        26632 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1891696 kB
SwapTotal:     4192956 kB
SwapFree:      4138812 kB
Dirty:            2888 kB
Writeback:           0 kB
AnonPages:       11336 kB
Mapped:           8344 kB
Slab:            55828 kB
PageTables:       4104 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181476 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= 62464 MiB
End job on node088 at 2010-06-26 00:38:54