Trace number 1878781

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 clSAT 0.204968 0.205565

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/
namasivayam/tsp/normalized-t3002.11tsp11.1900554389.opb
MD5SUMfa7503c73050df8d21f546636c8bda5e
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 benchmark0.204968
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 669
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: Clause 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-1878781-1245117619.opb
0.00/0.00	c File size is 83377 bytes.
0.00/0.01	c Highest Coefficient sum: 669
0.00/0.01	c Parsing was ok!!
0.00/0.01	c Total parsing time: 0.011 s
0.00/0.01	c Var: 231 Constr: 2707 2684/22/1 Lit: 8338 Watch. Lit: 5706
0.00/0.01	c Obj. Vars: 0 (0 % of total variables)
0.00/0.02	c Pre-processing Time: 0.021 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     5473    1880      0      0 0.02
0.00/0.02	c Switching off lower bounding mode.
0.19/0.20	c      100    231     2686    12222    4     5675    2069    100   3333 0.03
0.19/0.20	c      250    231     2836    17966    6     5977    2276    250   5555 0.04
0.19/0.20	c      477    231     3063    28376    9     6429    2504    477   6194 0.08
0.19/0.20	c      815    231     3401    39697   11     7105    2755    815   6037 0.14
0.19/0.20	c Backtracks by Clause: 0
0.19/0.20	c Backtracks by PB constraint: 0
0.19/0.20	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 
0.19/0.20	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.19/0.20	c    4     1130    393     3091     3716    52092   1130   5566 0.20
0.19/0.20	s SATISFIABLE
0.19/0.20	c Total time: 0.203 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-1878781-1245117619/watcher-1878781-1245117619 -o /tmp/evaluation-result-1878781-1245117619/solver-1878781-1245117619 -C 1800 -W 2000 -M 1800 bsolo -l1 -t1800 -m1800 HOME/instance-1878781-1245117619.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 0.98 1.00 3/65 351
/proc/meminfo: memFree=889968/2055920 swapFree=4192812/4192956
[pid=351] ppid=349 vsize=10792 CPUtime=0
/proc/351/stat : 351 (bsolo) R 349 351 32018 0 -1 4194304 252 0 0 0 0 0 0 0 20 0 1 0 168288312 11051008 236 1992294400 134512640 137136520 4294956256 18446744073709551615 136575102 0 0 4096 16384 0 0 0 17 1 0 0
/proc/351/statm: 2698 236 175 640 0 2033 0

[startup+0.057719 s]
/proc/loadavg: 1.00 0.98 1.00 3/65 351
/proc/meminfo: memFree=889968/2055920 swapFree=4192812/4192956
[pid=351] ppid=349 vsize=11236 CPUtime=0.05
/proc/351/stat : 351 (bsolo) R 349 351 32018 0 -1 4194304 435 0 0 0 5 0 0 0 20 0 1 0 168288312 11505664 398 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/351/statm: 2809 398 195 640 0 2165 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 11236

[startup+0.101722 s]
/proc/loadavg: 1.00 0.98 1.00 3/65 351
/proc/meminfo: memFree=889968/2055920 swapFree=4192812/4192956
[pid=351] ppid=349 vsize=11492 CPUtime=0.09
/proc/351/stat : 351 (bsolo) R 349 351 32018 0 -1 4194304 479 0 0 0 9 0 0 0 20 0 1 0 168288312 11767808 442 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/351/statm: 2873 442 195 640 0 2229 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11492

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

[startup+0.201731 s]
/proc/loadavg: 1.00 0.98 1.00 3/65 351
/proc/meminfo: memFree=889968/2055920 swapFree=4192812/4192956
[pid=351] ppid=349 vsize=11752 CPUtime=0.19
/proc/351/stat : 351 (bsolo) R 349 351 32018 0 -1 4194304 552 0 0 0 19 0 0 0 21 0 1 0 168288312 12034048 515 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/351/statm: 2938 515 195 640 0 2294 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 11752

Child status: 0
Real time (s): 0.205565
CPU time (s): 0.204968
CPU user time (s): 0.202969
CPU system time (s): 0.001999
CPU usage (%): 99.7095
Max. virtual memory (cumulated for all children) (KiB): 11752

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.202969
system time used= 0.001999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 557
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= 3

runsolver used 0.001999 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node8 at 2009-06-16 04:00:19
IDJOB=1878781
IDBENCH=1286
IDSOLVER=700
FILE ID=node8/1878781-1245117619
PBS_JOBID= 9363662
Free space on /tmp= 66316 MiB

SOLVER NAME= bsolo 3.1 cl
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/tsp/normalized-t3002.11tsp11.1900554389.opb
COMMAND LINE= bsolo -l1 -tTIMEOUT -mMEMLIMIT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1878781-1245117619/watcher-1878781-1245117619 -o /tmp/evaluation-result-1878781-1245117619/solver-1878781-1245117619 -C 1800 -W 2000 -M 1800  bsolo -l1 -t1800 -m1800 HOME/instance-1878781-1245117619.opb

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

MD5SUM BENCH= fa7503c73050df8d21f546636c8bda5e
RANDOM SEED=665601393

node8.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		: 3000.234
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		: 3000.234
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:        890384 kB
Buffers:         89580 kB
Cached:         965640 kB
SwapCached:        140 kB
Active:         150232 kB
Inactive:       919952 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        890384 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            4248 kB
Writeback:           0 kB
Mapped:          24600 kB
Slab:            81128 kB
Committed_AS:   159668 kB
PageTables:       1376 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66312 MiB
End job on node8 at 2009-06-16 04:00:19