Trace number 1880255

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
bsolo 3.1 pbSAT 1.80172 1.80236

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/
namasivayam/tsp/normalized-t3002.11tsp11.1900554067.opb
MD5SUMe4fb42fad6e5e99b3f9cfb09951614f4
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
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 benchmark0.238963
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables231
Total number of constraints2707
Number of constraints which are clauses2684
Number of constraints which are cardinality constraints (but not clauses)22
Number of constraints which are nor clauses,nor cardinality constraints1
Minimum length of a constraint2
Maximum length of a constraint110
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 25
Number of bits of the biggest number in a constraint 5
Biggest sum of numbers in a constraint 609
Number of bits of the biggest sum of numbers10
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

0.00/0.00	c bsolo beta version 3.1 - 13/04/2009 : 1630 GMT
0.00/0.00	c Developed by Vasco Manquinho and José Santos IST/UTL - INESC-ID
0.00/0.00	c type "bsolo -h" for help
0.00/0.00	c Time Limit set via environment variable PBTIMEOUT to 1800
0.00/0.00	c Learning Strategy: Generic Pseudo-Boolean Learning
0.00/0.00	c Time Limit set to 1800
0.00/0.00	c Memory Limit set to 1800 MB
0.00/0.00	c Instance file HOME/instance-1880255-1245121448.opb
0.00/0.00	c File size is 83369 bytes.
0.00/0.01	c Highest Coefficient sum: 609
0.00/0.01	c Parsing was ok!!
0.00/0.01	c Total parsing time: 0.012 s
0.00/0.01	c Var: 231 Constr: 2707 2684/22/1 Lit: 8338 Watch. Lit: 5707
0.00/0.01	c Obj. Vars: 0 (0 % of total variables)
0.00/0.02	c Pre-processing Time: 0.023 s
0.00/0.02	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.02	c        0    231     2586     8096    3     5472    1880      0      0 0.02
0.00/0.02	c Switching off lower bounding mode.
1.69/1.80	c      101    231     2787    18890    6     7043    2069    201   2104 0.05
1.69/1.80	c      253    231     3090    43030   13    13366    2276    504   2024 0.12
1.69/1.80	c      480    231     3539    72848   20    18552    2504    953   1943 0.25
1.69/1.80	c      819    231     4204   119186   28    25548    2755   1618   1735 0.47
1.69/1.80	c     1330    231     5224   213133   40    53934    3031   2638   1103 1.21
1.69/1.80	c Backtracks by Clause: 1529
1.69/1.80	c Backtracks by PB constraint: 50
1.69/1.80	v -x1 -x12 x2 -x13 -x3 x14 -x4 -x15 -x5 -x16 -x6 -x17 -x7 -x18 -x8 -x19 -x9 -x20 -x10 -x21 -x11 -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 -x132 -x142 -x152 -x162 -x172 x182 -x192 -x202 -x212 -x222 -x122 -x143 -x153 -x163 -x173 -x183 x193 -x203 -x213 -x223 -x123 x133 -x154 -x164 -x174 -x184 -x194 -x204 -x214 -x224 -x124 -x134 -x144 -x165 -x175 -x185 -x195 x205 -x215 -x225 -x125 -x135 -x145 x155 -x176 -x186 -x196 -x206 -x216 -x226 -x126 -x136 x146 -x156 -x166 -x187 -x197 -x207 -x217 -x227 -x127 -x137 -x147 -x157 -x167 -x177 -x198 -x208 x218 -x228 -x128 -x138 -x148 -x158 x168 -x178 -x188 -x209 -x219 -x229 x129 -x139 -x149 -x159 -x169 -x179 -x189 -x199 -x220 -x230 -x130 -x140 -x150 -x160 -x170 -x180 -x190 -x200 -x210 x231 -x131 -x141 -x151 -x161 -x171 x181 -x191 -x201 -x211 -x221 
1.69/1.80	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
1.69/1.80	c    5     1579    463     3801     5721   265503   3135    878 1.80
1.69/1.80	s SATISFIABLE
1.69/1.80	c Total time: 1.798 s

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-1880255-1245121448/watcher-1880255-1245121448 -o /tmp/evaluation-result-1880255-1245121448/solver-1880255-1245121448 -C 1800 -W 2000 -M 1800 bsolo -l3 -t1800 -m1800 HOME/instance-1880255-1245121448.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 0.99 1.00 3/64 3405
/proc/meminfo: memFree=1132568/2055924 swapFree=4191900/4192956
[pid=3405] ppid=3403 vsize=10792 CPUtime=0
/proc/3405/stat : 3405 (bsolo) R 3403 3405 2114 0 -1 4194304 248 0 0 0 0 0 0 0 18 0 1 0 179745612 11051008 232 1992294400 134512640 137136520 4294956256 18446744073709551615 136575102 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3405/statm: 2698 232 174 640 0 2033 0

[startup+0.074316 s]
/proc/loadavg: 1.00 0.99 1.00 3/64 3405
/proc/meminfo: memFree=1132568/2055924 swapFree=4191900/4192956
[pid=3405] ppid=3403 vsize=11364 CPUtime=0.07
/proc/3405/stat : 3405 (bsolo) R 3403 3405 2114 0 -1 4194304 471 0 0 0 7 0 0 0 18 0 1 0 179745612 11636736 434 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3405/statm: 2841 434 196 640 0 2197 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 11364

[startup+0.10232 s]
/proc/loadavg: 1.00 0.99 1.00 3/64 3405
/proc/meminfo: memFree=1132568/2055924 swapFree=4191900/4192956
[pid=3405] ppid=3403 vsize=11632 CPUtime=0.09
/proc/3405/stat : 3405 (bsolo) R 3403 3405 2114 0 -1 4194304 515 0 0 0 9 0 0 0 18 0 1 0 179745612 11911168 478 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3405/statm: 2908 478 196 640 0 2264 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11632

[startup+0.301359 s]
/proc/loadavg: 1.00 0.99 1.00 3/64 3405
/proc/meminfo: memFree=1132568/2055924 swapFree=4191900/4192956
[pid=3405] ppid=3403 vsize=12412 CPUtime=0.29
/proc/3405/stat : 3405 (bsolo) R 3403 3405 2114 0 -1 4194304 731 0 0 0 29 0 0 0 19 0 1 0 179745612 12709888 694 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3405/statm: 3103 694 196 640 0 2459 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12412

[startup+0.702438 s]
/proc/loadavg: 1.00 0.99 1.00 3/64 3405
/proc/meminfo: memFree=1132568/2055924 swapFree=4191900/4192956
[pid=3405] ppid=3403 vsize=13724 CPUtime=0.69
/proc/3405/stat : 3405 (bsolo) R 3403 3405 2114 0 -1 4194304 1059 0 0 0 69 0 0 0 22 0 1 0 179745612 14053376 1022 1992294400 134512640 137136520 4294956256 18446744073709551615 134606731 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3405/statm: 3431 1022 196 640 0 2787 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 13724

[startup+1.5016 s]
/proc/loadavg: 1.00 0.99 1.00 2/65 3406
/proc/meminfo: memFree=1128336/2055924 swapFree=4191900/4192956
[pid=3405] ppid=3403 vsize=15556 CPUtime=1.49
/proc/3405/stat : 3405 (bsolo) R 3403 3405 2114 0 -1 4194304 1507 0 0 0 148 1 0 0 25 0 1 0 179745612 15929344 1470 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3405/statm: 3889 1470 196 640 0 3245 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 15556

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

[startup+1.70164 s]
/proc/loadavg: 1.00 0.99 1.00 2/65 3406
/proc/meminfo: memFree=1128336/2055924 swapFree=4191900/4192956
[pid=3405] ppid=3403 vsize=15816 CPUtime=1.69
/proc/3405/stat : 3405 (bsolo) R 3403 3405 2114 0 -1 4194304 1573 0 0 0 168 1 0 0 25 0 1 0 179745612 16195584 1536 1992294400 134512640 137136520 4294956256 18446744073709551615 134544160 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3405/statm: 3954 1536 196 640 0 3310 0
Current children cumulated CPU time (s) 1.69
Current children cumulated vsize (KiB) 15816

[startup+1.80165 s]
/proc/loadavg: 1.00 0.99 1.00 2/65 3406
/proc/meminfo: memFree=1128336/2055924 swapFree=4191900/4192956
[pid=3405] ppid=3403 vsize=0 CPUtime=1.79
/proc/3405/stat : 3405 (bsolo) R 3403 3405 2114 0 -1 4194308 1616 0 0 0 178 1 0 0 25 0 1 0 179745612 0 0 1992294400 0 0 0 0 0 0 0 4096 16384 0 0 0 17 1 0 0
/proc/3405/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 1.79
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 1.80236
CPU time (s): 1.80172
CPU user time (s): 1.78373
CPU system time (s): 0.017997
CPU usage (%): 99.9648
Max. virtual memory (cumulated for all children) (KiB): 15816

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.78373
system time used= 0.017997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1616
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= 4

runsolver used 0.004999 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node6 at 2009-06-16 05:04:08
IDJOB=1880255
IDBENCH=1334
IDSOLVER=701
FILE ID=node6/1880255-1245121448
PBS_JOBID= 9363665
Free space on /tmp= 66240 MiB

SOLVER NAME= bsolo 3.1 pb
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/tsp/normalized-t3002.11tsp11.1900554067.opb
COMMAND LINE= bsolo -l3 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1880255-1245121448/watcher-1880255-1245121448 -o /tmp/evaluation-result-1880255-1245121448/solver-1880255-1245121448 -C 1800 -W 2000 -M 1800  bsolo -l3 -t1800 -m1800 HOME/instance-1880255-1245121448.opb

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

MD5SUM BENCH= e4fb42fad6e5e99b3f9cfb09951614f4
RANDOM SEED=888663111

node6.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.265
cache size	: 2048 KB
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 pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5914.62
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		: 3000.265
cache size	: 2048 KB
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 pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055924 kB
MemFree:       1133048 kB
Buffers:         55460 kB
Cached:         785236 kB
SwapCached:        260 kB
Active:          85000 kB
Inactive:       768996 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055924 kB
LowFree:       1133048 kB
SwapTotal:     4192956 kB
SwapFree:      4191900 kB
Dirty:            4116 kB
Writeback:           0 kB
Mapped:          21756 kB
Slab:            54872 kB
Committed_AS:   149632 kB
PageTables:       1456 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66236 MiB
End job on node6 at 2009-06-16 05:04:10