Trace number 2681291

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 10.3234 10.3254

General information on the benchmark

Namenormalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/
manquinho/dbsg/normalized-dbsg_500_25_4_15.opb
MD5SUM8407562d9bb1379ab6a9e056478d010c
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 benchmark2.06169
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)31508
Sum of products size (including duplicates)63016
Number of different products15754
Sum of products size31508

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
0.29/0.32	c constraints 16756/0 clauses 16254/0 units 0
0.29/0.32	c vars 1000
8.09/8.12	c 7.57485 460.289 299 22295
8.09/8.12	s SATISFIABLE
8.09/8.12	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-2681291-1277504831/watcher-2681291-1277504831 -o /tmp/evaluation-result-2681291-1277504831/solver-2681291-1277504831 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2681291-1277504831.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 0.99 3/106 29594
/proc/meminfo: memFree=1786668/2059040 swapFree=4140996/4192956
[pid=29594] ppid=29592 vsize=2268 CPUtime=0
/proc/29594/stat : 29594 (pbct) R 29592 29594 29542 0 -1 4202496 292 0 0 0 0 0 0 0 20 0 1 0 91773810 2322432 212 1992294400 134512640 136421960 4291022096 18446744073709551615 135873694 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29594/statm: 567 213 144 467 0 98 0

[startup+0.083823 s]
/proc/loadavg: 0.92 0.98 0.99 3/106 29594
/proc/meminfo: memFree=1786668/2059040 swapFree=4140996/4192956
[pid=29594] ppid=29592 vsize=4380 CPUtime=0.07
/proc/29594/stat : 29594 (pbct) R 29592 29594 29542 0 -1 4202496 806 0 0 0 7 0 0 0 20 0 1 0 91773810 4485120 726 1992294400 134512640 136421960 4291022096 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29594/statm: 1095 726 144 467 0 626 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 4380

[startup+0.100824 s]
/proc/loadavg: 0.92 0.98 0.99 3/106 29594
/proc/meminfo: memFree=1786668/2059040 swapFree=4140996/4192956
[pid=29594] ppid=29592 vsize=4776 CPUtime=0.09
/proc/29594/stat : 29594 (pbct) R 29592 29594 29542 0 -1 4202496 903 0 0 0 9 0 0 0 20 0 1 0 91773810 4890624 823 1992294400 134512640 136421960 4291022096 18446744073709551615 135873694 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29594/statm: 1194 823 144 467 0 725 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4776

[startup+0.300846 s]
/proc/loadavg: 0.92 0.98 0.99 3/106 29594
/proc/meminfo: memFree=1786668/2059040 swapFree=4140996/4192956
[pid=29594] ppid=29592 vsize=11180 CPUtime=0.29
/proc/29594/stat : 29594 (pbct) R 29592 29594 29542 0 -1 4202496 2502 0 0 0 28 1 0 0 20 0 1 0 91773810 11448320 2422 1992294400 134512640 136421960 4291022096 18446744073709551615 135818421 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29594/statm: 2795 2422 145 467 0 2326 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11180

[startup+0.70089 s]
/proc/loadavg: 0.92 0.98 0.99 3/106 29594
/proc/meminfo: memFree=1786668/2059040 swapFree=4140996/4192956
[pid=29594] ppid=29592 vsize=49260 CPUtime=0.69
/proc/29594/stat : 29594 (pbct) R 29592 29594 29542 0 -1 4202496 12236 0 0 0 64 5 0 0 20 0 1 0 91773810 50442240 11683 1992294400 134512640 136421960 4291022096 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29594/statm: 12315 11684 188 467 0 11846 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 49260

[startup+1.50098 s]
/proc/loadavg: 0.92 0.98 0.99 2/107 29595
/proc/meminfo: memFree=1716476/2059040 swapFree=4140996/4192956
[pid=29594] ppid=29592 vsize=107516 CPUtime=1.49
/proc/29594/stat : 29594 (pbct) R 29592 29594 29542 0 -1 4202496 27855 0 0 0 136 13 0 0 22 0 1 0 91773810 110096384 26303 1992294400 134512640 136421960 4291022096 18446744073709551615 134597721 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29594/statm: 26879 26304 193 467 0 26410 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 107516

[startup+3.10116 s]
/proc/loadavg: 0.93 0.98 0.99 2/107 29595
/proc/meminfo: memFree=1643316/2059040 swapFree=4140996/4192956
[pid=29594] ppid=29592 vsize=211348 CPUtime=3.09
/proc/29594/stat : 29594 (pbct) R 29592 29594 29542 0 -1 4202496 55623 0 0 0 284 25 0 0 25 0 1 0 91773810 216420352 52402 1992294400 134512640 136421960 4291022096 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29594/statm: 52837 52403 193 467 0 52368 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 211348

[startup+6.30051 s]
/proc/loadavg: 0.93 0.98 0.99 2/107 29595
/proc/meminfo: memFree=1379816/2059040 swapFree=4140996/4192956
[pid=29594] ppid=29592 vsize=455780 CPUtime=6.29
/proc/29594/stat : 29594 (pbct) R 29592 29594 29542 0 -1 4202496 119197 0 0 0 579 50 0 0 25 0 1 0 91773810 466718720 109953 1992294400 134512640 136421960 4291022096 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29594/statm: 113945 109955 208 467 0 113476 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 455780

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

[startup+7.90069 s]
/proc/loadavg: 0.93 0.98 0.99 2/107 29595
/proc/meminfo: memFree=1332332/2059040 swapFree=4140996/4192956
[pid=29594] ppid=29592 vsize=470384 CPUtime=7.89
/proc/29594/stat : 29594 (pbct) R 29592 29594 29542 0 -1 4202496 122731 0 0 0 735 54 0 0 25 0 1 0 91773810 481673216 113487 1992294400 134512640 136421960 4291022096 18446744073709551615 135020403 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29594/statm: 117596 113487 214 467 0 117127 0
Current children cumulated CPU time (s) 7.89
Current children cumulated vsize (KiB) 470384

[startup+9.50086 s]
/proc/loadavg: 0.93 0.98 0.99 2/107 29595
/proc/meminfo: memFree=1349568/2059040 swapFree=4140996/4192956
[pid=29594] ppid=29592 vsize=434024 CPUtime=9.49
/proc/29594/stat : 29594 (pbct) R 29592 29594 29542 0 -1 4202496 123018 0 0 0 894 55 0 0 25 0 1 0 91773810 444440576 106029 1992294400 134512640 136421960 4291022096 18446744073709551615 135801172 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29594/statm: 108506 106029 240 467 0 108037 0
Current children cumulated CPU time (s) 9.49
Current children cumulated vsize (KiB) 434024

[startup+9.90891 s]
/proc/loadavg: 0.93 0.98 0.99 2/107 29595
/proc/meminfo: memFree=1361596/2059040 swapFree=4140996/4192956
[pid=29594] ppid=29592 vsize=434024 CPUtime=9.9
/proc/29594/stat : 29594 (pbct) R 29592 29594 29542 0 -1 4202496 123018 0 0 0 935 55 0 0 25 0 1 0 91773810 444440576 106029 1992294400 134512640 136421960 4291022096 18446744073709551615 134701458 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29594/statm: 108506 106029 240 467 0 108037 0
Current children cumulated CPU time (s) 9.9
Current children cumulated vsize (KiB) 434024

[startup+10.301 s]
/proc/loadavg: 0.93 0.98 0.99 2/107 29595
/proc/meminfo: memFree=1361596/2059040 swapFree=4140996/4192956
[pid=29594] ppid=29592 vsize=0 CPUtime=10.29
/proc/29594/stat : 29594 (pbct) R 29592 29594 29542 0 -1 4202500 123019 0 0 0 972 57 0 0 25 0 1 0 91773810 0 0 1992294400 0 0 0 0 0 0 0 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/29594/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 10.29
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 10.3254
CPU time (s): 10.3234
CPU user time (s): 9.72352
CPU system time (s): 0.599908
CPU usage (%): 99.9807
Max. virtual memory (cumulated for all children) (KiB): 471332

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 9.72352
system time used= 0.599908
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 123019
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= 16

runsolver used 0.019996 second user time and 0.055991 second system time

The end

Launcher Data 

Begin job on node059 at 2010-06-26 00:27:11
IDJOB=2681291
IDBENCH=48285
IDSOLVER=1192
FILE ID=node059/2681291-1277504831
PBS_JOBID= 11190600
Free space on /tmp= 62432 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB07/normalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/manquinho/dbsg/normalized-dbsg_500_25_4_15.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2681291-1277504831/watcher-2681291-1277504831 -o /tmp/evaluation-result-2681291-1277504831/solver-2681291-1277504831 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2681291-1277504831.opb

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

MD5SUM BENCH= 8407562d9bb1379ab6a9e056478d010c
RANDOM SEED=1917377147

node059.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		: 3000.244
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	: 6000.48
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		: 3000.244
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:       1787196 kB
Buffers:         63644 kB
Cached:         108464 kB
SwapCached:       5356 kB
Active:          70796 kB
Inactive:       114608 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1787196 kB
SwapTotal:     4192956 kB
SwapFree:      4140996 kB
Dirty:            2440 kB
Writeback:           0 kB
AnonPages:       11948 kB
Mapped:          12032 kB
Slab:            64560 kB
PageTables:       4040 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181408 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= 62432 MiB
End job on node059 at 2010-06-26 00:27:22