Trace number 2667776

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 10.4734 10.4768

General information on the benchmark

Namenormalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/
manquinho/dbsg/normalized-dbsg_500_25_2_15.opb
MD5SUM2e96a8731ecdc9612117a9b1f6bb2f31
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 benchmark2.04669
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)31340
Sum of products size (including duplicates)62680
Number of different products15670
Sum of products size31340

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 16672/0 clauses 16170/0 units 0
0.29/0.39	c vars 1000
8.18/8.29	c 7.79781 458.27 297 21802
8.18/8.29	s SATISFIABLE
8.18/8.29	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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-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-2667776-1276683062/watcher-2667776-1276683062 -o /tmp/evaluation-result-2667776-1276683062/solver-2667776-1276683062 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2667776-1276683062.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 1.00 1.00 3/106 16291
/proc/meminfo: memFree=1684688/2059040 swapFree=4192956/4192956
[pid=16291] ppid=16289 vsize=2340 CPUtime=0
/proc/16291/stat : 16291 (pbct) R 16289 16291 15560 0 -1 4202496 301 0 0 0 0 0 0 0 18 0 1 0 9601314 2396160 224 1992294400 134512640 136485738 4293244192 18446744073709551615 135850441 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/16291/statm: 585 224 156 482 0 101 0

[startup+0.057381 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 16291
/proc/meminfo: memFree=1684688/2059040 swapFree=4192956/4192956
[pid=16291] ppid=16289 vsize=3660 CPUtime=0.05
/proc/16291/stat : 16291 (pbct) R 16289 16291 15560 0 -1 4202496 635 0 0 0 5 0 0 0 18 0 1 0 9601314 3747840 558 1992294400 134512640 136485738 4293244192 18446744073709551615 135850441 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/16291/statm: 915 558 156 482 0 431 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 3660

[startup+0.101386 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 16291
/proc/meminfo: memFree=1684688/2059040 swapFree=4192956/4192956
[pid=16291] ppid=16289 vsize=4716 CPUtime=0.09
/proc/16291/stat : 16291 (pbct) R 16289 16291 15560 0 -1 4202496 892 0 0 0 9 0 0 0 18 0 1 0 9601314 4829184 815 1992294400 134512640 136485738 4293244192 18446744073709551615 134549168 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/16291/statm: 1179 816 156 482 0 695 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4716

[startup+0.301409 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 16291
/proc/meminfo: memFree=1684688/2059040 swapFree=4192956/4192956
[pid=16291] ppid=16289 vsize=9660 CPUtime=0.29
/proc/16291/stat : 16291 (pbct) R 16289 16291 15560 0 -1 4202496 2110 0 0 0 29 0 0 0 18 0 1 0 9601314 9891840 2033 1992294400 134512640 136485738 4293244192 18446744073709551615 134527398 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/16291/statm: 2415 2034 156 482 0 1931 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 9660

[startup+0.701456 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 16291
/proc/meminfo: memFree=1684688/2059040 swapFree=4192956/4192956
[pid=16291] ppid=16289 vsize=42528 CPUtime=0.69
/proc/16291/stat : 16291 (pbct) R 16289 16291 15560 0 -1 4202496 10417 0 0 0 65 4 0 0 18 0 1 0 9601314 43548672 10241 1992294400 134512640 136485738 4293244192 18446744073709551615 134659008 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16291/statm: 10632 10244 191 482 0 10148 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 42528

[startup+1.50155 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 16292
/proc/meminfo: memFree=1620820/2059040 swapFree=4192956/4192956
[pid=16291] ppid=16289 vsize=99576 CPUtime=1.49
/proc/16291/stat : 16291 (pbct) R 16289 16291 15560 0 -1 4202496 25549 0 0 0 138 11 0 0 19 0 1 0 9601314 101965824 24193 1992294400 134512640 136485738 4293244192 18446744073709551615 135689024 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16291/statm: 24894 24194 196 482 0 24410 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 99576

[startup+3.10174 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 16292
/proc/meminfo: memFree=1554976/2059040 swapFree=4192956/4192956
[pid=16291] ppid=16289 vsize=189880 CPUtime=3.09
/proc/16291/stat : 16291 (pbct) R 16289 16291 15560 0 -1 4202496 49944 0 0 0 289 20 0 0 24 0 1 0 9601314 194437120 46727 1992294400 134512640 136485738 4293244192 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16291/statm: 47470 46727 196 482 0 46986 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 189880

[startup+6.30111 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 16292
/proc/meminfo: memFree=1288252/2059040 swapFree=4192956/4192956
[pid=16291] ppid=16289 vsize=424356 CPUtime=6.28
/proc/16291/stat : 16291 (pbct) R 16289 16291 15560 0 -1 4202496 111138 0 0 0 585 43 0 0 25 0 1 0 9601314 434540544 102531 1992294400 134512640 136485738 4293244192 18446744073709551615 135868534 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16291/statm: 106089 102531 208 482 0 105605 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 424356

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

[startup+7.9013 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 16292
/proc/meminfo: memFree=1232824/2059040 swapFree=4192956/4192956
[pid=16291] ppid=16289 vsize=468328 CPUtime=7.89
/proc/16291/stat : 16291 (pbct) R 16289 16291 15560 0 -1 4202496 122178 0 0 0 741 48 0 0 25 0 1 0 9601314 479567872 112946 1992294400 134512640 136485738 4293244192 18446744073709551615 135044346 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16291/statm: 117082 112946 224 482 0 116598 0
Current children cumulated CPU time (s) 7.89
Current children cumulated vsize (KiB) 468328

[startup+9.50149 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 16292
/proc/meminfo: memFree=1249812/2059040 swapFree=4192956/4192956
[pid=16291] ppid=16289 vsize=431980 CPUtime=9.49
/proc/16291/stat : 16291 (pbct) R 16289 16291 15560 0 -1 4202496 122449 0 0 0 900 49 0 0 25 0 1 0 9601314 442347520 105504 1992294400 134512640 136485738 4293244192 18446744073709551615 134720107 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16291/statm: 107995 105504 247 482 0 107511 0
Current children cumulated CPU time (s) 9.49
Current children cumulated vsize (KiB) 431980

[startup+9.90954 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 16292
/proc/meminfo: memFree=1261964/2059040 swapFree=4192956/4192956
[pid=16291] ppid=16289 vsize=431980 CPUtime=9.9
/proc/16291/stat : 16291 (pbct) R 16289 16291 15560 0 -1 4202496 122449 0 0 0 941 49 0 0 25 0 1 0 9601314 442347520 105504 1992294400 134512640 136485738 4293244192 18446744073709551615 135839931 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16291/statm: 107995 105504 247 482 0 107511 0
Current children cumulated CPU time (s) 9.9
Current children cumulated vsize (KiB) 431980

[startup+10.3016 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 16292
/proc/meminfo: memFree=1261964/2059040 swapFree=4192956/4192956
[pid=16291] ppid=16289 vsize=407164 CPUtime=10.29
/proc/16291/stat : 16291 (pbct) R 16289 16291 15560 0 -1 4202496 122449 0 0 0 980 49 0 0 25 0 1 0 9601314 416935936 101444 1992294400 134512640 136485738 4293244192 18446744073709551615 135839991 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16291/statm: 101791 101444 247 482 0 101307 0
Current children cumulated CPU time (s) 10.29
Current children cumulated vsize (KiB) 407164

[startup+10.4016 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 16292
/proc/meminfo: memFree=1261964/2059040 swapFree=4192956/4192956
[pid=16291] ppid=16289 vsize=407164 CPUtime=10.39
/proc/16291/stat : 16291 (pbct) R 16289 16291 15560 0 -1 4202496 122449 0 0 0 990 49 0 0 25 0 1 0 9601314 416935936 101444 1992294400 134512640 136485738 4293244192 18446744073709551615 135839940 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16291/statm: 101791 101444 247 482 0 101307 0
Current children cumulated CPU time (s) 10.39
Current children cumulated vsize (KiB) 407164

Child status: 0
Real time (s): 10.4768
CPU time (s): 10.4734
CPU user time (s): 9.93749
CPU system time (s): 0.535918
CPU usage (%): 99.9672
Max. virtual memory (cumulated for all children) (KiB): 468592

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 9.93749
system time used= 0.535918
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 122450
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= 2
involuntary context switches= 131

runsolver used 0.017997 second user time and 0.056991 second system time

The end

Launcher Data 

Begin job on node033 at 2010-06-16 12:11:02
IDJOB=2667776
IDBENCH=48364
IDSOLVER=1170
FILE ID=node033/2667776-1276683062
PBS_JOBID= 11172559
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_2_15.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2667776-1276683062/watcher-2667776-1276683062 -o /tmp/evaluation-result-2667776-1276683062/solver-2667776-1276683062 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2667776-1276683062.opb

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

MD5SUM BENCH= 2e96a8731ecdc9612117a9b1f6bb2f31
RANDOM SEED=884160976

node033.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		: 3000.242
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		: 3000.242
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:       1685216 kB
Buffers:         74844 kB
Cached:         159920 kB
SwapCached:          0 kB
Active:          97200 kB
Inactive:       197252 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1685216 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            2532 kB
Writeback:           0 kB
AnonPages:       59764 kB
Mapped:          15408 kB
Slab:            57676 kB
PageTables:       3920 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181732 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= 62588 MiB
End job on node033 at 2010-06-16 12:11:12