Trace number 2681370

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 9.97148 9.97453

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 0.1.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.29/0.31	c constraints 16672/0 clauses 16170/0 units 0
0.29/0.31	c vars 1000
7.70/7.78	c 7.2559 458.203 297 21802
7.70/7.78	s SATISFIABLE
7.70/7.78	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 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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-2681370-1277506052/watcher-2681370-1277506052 -o /tmp/evaluation-result-2681370-1277506052/solver-2681370-1277506052 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2681370-1277506052.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 31873
/proc/meminfo: memFree=1806876/2059040 swapFree=4140112/4192956
[pid=31873] ppid=31871 vsize=2268 CPUtime=0
/proc/31873/stat : 31873 (pbct) R 31871 31873 31848 0 -1 4202496 302 0 0 0 0 0 0 0 17 0 1 0 91899726 2322432 221 1992294400 134512640 136421960 4291537280 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31873/statm: 567 221 144 467 0 98 0

[startup+0.103965 s]
/proc/loadavg: 0.92 0.98 0.99 3/106 31873
/proc/meminfo: memFree=1806876/2059040 swapFree=4140112/4192956
[pid=31873] ppid=31871 vsize=4776 CPUtime=0.1
/proc/31873/stat : 31873 (pbct) R 31871 31873 31848 0 -1 4202496 929 0 0 0 10 0 0 0 17 0 1 0 91899726 4890624 848 1992294400 134512640 136421960 4291537280 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31873/statm: 1194 848 144 467 0 725 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 4776

[startup+0.200973 s]
/proc/loadavg: 0.92 0.98 0.99 3/106 31873
/proc/meminfo: memFree=1806876/2059040 swapFree=4140112/4192956
[pid=31873] ppid=31871 vsize=7948 CPUtime=0.19
/proc/31873/stat : 31873 (pbct) R 31871 31873 31848 0 -1 4202496 1706 0 0 0 19 0 0 0 17 0 1 0 91899726 8138752 1625 1992294400 134512640 136421960 4291537280 18446744073709551615 135821930 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31873/statm: 1987 1626 145 467 0 1518 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 7948

[startup+0.300981 s]
/proc/loadavg: 0.92 0.98 0.99 3/106 31873
/proc/meminfo: memFree=1806876/2059040 swapFree=4140112/4192956
[pid=31873] ppid=31871 vsize=11436 CPUtime=0.29
/proc/31873/stat : 31873 (pbct) R 31871 31873 31848 0 -1 4202496 2564 0 0 0 29 0 0 0 17 0 1 0 91899726 11710464 2483 1992294400 134512640 136421960 4291537280 18446744073709551615 135812090 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31873/statm: 2859 2483 145 467 0 2390 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 11436

[startup+0.701016 s]
/proc/loadavg: 0.92 0.98 0.99 3/106 31873
/proc/meminfo: memFree=1806876/2059040 swapFree=4140112/4192956
[pid=31873] ppid=31871 vsize=50008 CPUtime=0.69
/proc/31873/stat : 31873 (pbct) R 31871 31873 31848 0 -1 4202496 12433 0 0 0 64 5 0 0 17 0 1 0 91899726 51208192 11879 1992294400 134512640 136421960 4291537280 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31873/statm: 12502 11880 188 467 0 12033 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 50008

[startup+1.50109 s]
/proc/loadavg: 0.92 0.98 0.99 2/107 31874
/proc/meminfo: memFree=1728872/2059040 swapFree=4140112/4192956
[pid=31873] ppid=31871 vsize=108060 CPUtime=1.49
/proc/31873/stat : 31873 (pbct) R 31871 31873 31848 0 -1 4202496 27994 0 0 0 138 11 0 0 18 0 1 0 91899726 110653440 26441 1992294400 134512640 136421960 4291537280 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31873/statm: 27015 26442 193 467 0 26546 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 108060

[startup+3.10122 s]
/proc/loadavg: 0.92 0.98 0.99 2/107 31874
/proc/meminfo: memFree=1655712/2059040 swapFree=4140112/4192956
[pid=31873] ppid=31871 vsize=212380 CPUtime=3.09
/proc/31873/stat : 31873 (pbct) R 31871 31873 31848 0 -1 4202496 55896 0 0 0 285 24 0 0 21 0 1 0 91899726 217477120 52674 1992294400 134512640 136421960 4291537280 18446744073709551615 135406678 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31873/statm: 53095 52675 193 467 0 52626 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 212380

[startup+6.3015 s]
/proc/loadavg: 0.93 0.98 0.99 2/107 31874
/proc/meminfo: memFree=1400396/2059040 swapFree=4140112/4192956
[pid=31873] ppid=31871 vsize=461132 CPUtime=6.29
/proc/31873/stat : 31873 (pbct) R 31871 31873 31848 0 -1 4202496 120479 0 0 0 579 50 0 0 25 0 1 0 91899726 472199168 111244 1992294400 134512640 136421960 4291537280 18446744073709551615 135812090 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31873/statm: 115283 111245 208 467 0 114814 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 461132

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

[startup+6.40151 s]
/proc/loadavg: 0.93 0.98 0.99 2/107 31874
/proc/meminfo: memFree=1400396/2059040 swapFree=4140112/4192956
[pid=31873] ppid=31871 vsize=464592 CPUtime=6.39
/proc/31873/stat : 31873 (pbct) R 31871 31873 31848 0 -1 4202496 121286 0 0 0 589 50 0 0 25 0 1 0 91899726 475742208 112050 1992294400 134512640 136421960 4291537280 18446744073709551615 134861890 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31873/statm: 116148 112050 212 467 0 115679 0
Current children cumulated CPU time (s) 6.39
Current children cumulated vsize (KiB) 464592

[startup+8.00064 s]
/proc/loadavg: 0.93 0.98 0.99 2/107 31874
/proc/meminfo: memFree=1354516/2059040 swapFree=4140112/4192956
[pid=31873] ppid=31871 vsize=453092 CPUtime=7.99
/proc/31873/stat : 31873 (pbct) R 31871 31873 31848 0 -1 4202496 122446 0 0 0 747 52 0 0 25 0 1 0 91899726 463966208 110141 1992294400 134512640 136421960 4291537280 18446744073709551615 134710213 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31873/statm: 113273 110141 240 467 0 112804 0
Current children cumulated CPU time (s) 7.99
Current children cumulated vsize (KiB) 453092

[startup+8.80071 s]
/proc/loadavg: 0.93 0.98 0.99 2/107 31874
/proc/meminfo: memFree=1384160/2059040 swapFree=4140112/4192956
[pid=31873] ppid=31871 vsize=431912 CPUtime=8.79
/proc/31873/stat : 31873 (pbct) R 31871 31873 31848 0 -1 4202496 122446 0 0 0 827 52 0 0 25 0 1 0 91899726 442277888 105497 1992294400 134512640 136421960 4291537280 18446744073709551615 135806171 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31873/statm: 107978 105497 240 467 0 107509 0
Current children cumulated CPU time (s) 8.79
Current children cumulated vsize (KiB) 431912

[startup+9.60078 s]
/proc/loadavg: 0.93 0.98 0.99 2/107 31874
/proc/meminfo: memFree=1384160/2059040 swapFree=4140112/4192956
[pid=31873] ppid=31871 vsize=431140 CPUtime=9.59
/proc/31873/stat : 31873 (pbct) R 31871 31873 31848 0 -1 4202496 122446 0 0 0 906 53 0 0 25 0 1 0 91899726 441487360 105304 1992294400 134512640 136421960 4291537280 18446744073709551615 135801367 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31873/statm: 107785 105304 240 467 0 107316 0
Current children cumulated CPU time (s) 9.59
Current children cumulated vsize (KiB) 431140

[startup+9.8008 s]
/proc/loadavg: 0.93 0.98 0.99 2/107 31874
/proc/meminfo: memFree=1384160/2059040 swapFree=4140112/4192956
[pid=31873] ppid=31871 vsize=407096 CPUtime=9.79
/proc/31873/stat : 31873 (pbct) R 31871 31873 31848 0 -1 4202496 122446 0 0 0 926 53 0 0 25 0 1 0 91899726 416866304 101437 1992294400 134512640 136421960 4291537280 18446744073709551615 135801367 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31873/statm: 101774 101437 240 467 0 101305 0
Current children cumulated CPU time (s) 9.79
Current children cumulated vsize (KiB) 407096

[startup+9.90081 s]
/proc/loadavg: 0.93 0.98 0.99 2/107 31874
/proc/meminfo: memFree=1400404/2059040 swapFree=4140112/4192956
[pid=31873] ppid=31871 vsize=407096 CPUtime=9.9
/proc/31873/stat : 31873 (pbct) R 31871 31873 31848 0 -1 4202496 122446 0 0 0 937 53 0 0 25 0 1 0 91899726 416866304 101437 1992294400 134512640 136421960 4291537280 18446744073709551615 135801287 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31873/statm: 101774 101437 240 467 0 101305 0
Current children cumulated CPU time (s) 9.9
Current children cumulated vsize (KiB) 407096

Child status: 0
Real time (s): 9.97453
CPU time (s): 9.97148
CPU user time (s): 9.39457
CPU system time (s): 0.576912
CPU usage (%): 99.9695
Max. virtual memory (cumulated for all children) (KiB): 468668

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 9.39457
system time used= 0.576912
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 122447
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= 11

runsolver used 0.017997 second user time and 0.058991 second system time

The end

Launcher Data 

Begin job on node031 at 2010-06-26 00:47:33
IDJOB=2681370
IDBENCH=48364
IDSOLVER=1192
FILE ID=node031/2681370-1277506052
PBS_JOBID= 11190626
Free space on /tmp= 62420 MiB

SOLVER NAME= PB/CT 0.1 fixed
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-2681370-1277506052/watcher-2681370-1277506052 -o /tmp/evaluation-result-2681370-1277506052/solver-2681370-1277506052 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2681370-1277506052.opb

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

MD5SUM BENCH= 2e96a8731ecdc9612117a9b1f6bb2f31
RANDOM SEED=891427877

node031.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		: 3000.219
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		: 3000.219
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	: 5599.53
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1807528 kB
Buffers:         59224 kB
Cached:          86536 kB
SwapCached:       5356 kB
Active:          58020 kB
Inactive:       100716 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1807528 kB
SwapTotal:     4192956 kB
SwapFree:      4140112 kB
Dirty:            2364 kB
Writeback:           0 kB
AnonPages:       11540 kB
Mapped:          11976 kB
Slab:            70640 kB
PageTables:       4192 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182140 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264964 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62420 MiB
End job on node031 at 2010-06-26 00:47:43