Trace number 1876308

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 NameAnswerobjCPU timeWall clock time
wbo 1.0OPT87 0.45493 0.455755

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/submitted-PB06/
manquiho/logic_synthesis/normalized-C880.a.opb
MD5SUMb05f470b70f12c211f6d9c7c351d242f
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark87
Best CPU time to get the best result obtained on this benchmark0.376942
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 87
Optimality of the best value was proved YES
Number of variables301
Total number of constraints732
Number of constraints which are clauses732
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint1
Maximum length of a constraint23
Number of terms in the objective function 301
Biggest coefficient in the objective function 1
Number of bits for the biggest coefficient in the objective function 1
Sum of the numbers in the objective function 301
Number of bits of the sum of numbers in the objective function 9
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 301
Number of bits of the biggest sum of numbers9
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 This is wbo 1.0 alpha (based on Minisat 2.0 beta)
0.00/0.00	c WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	c Parsing opb file format. File HOME/instance-1876308-1245172480.opb.
0.00/0.00	c Instance file HOME/instance-1876308-1245172480.opb
0.00/0.00	c File size is 27228 bytes.
0.00/0.00	c Highest Coefficient sum: 24
0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.00/0.00	c |  Parsing time:          0.00         s                                      |
0.00/0.00	c |  Number Variables:      301                                                 |
0.00/0.00	c |  Number Clauses:        1033                                                |
0.00/0.00	c |  Number Cardinality:    0                                                   |
0.00/0.00	c |  Number PB Constraints: 0                                                   |
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0.04/0.08	c ============================[ Search Statistics ]==============================
0.04/0.08	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.04/0.08	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.04/0.08	c ===============================================================================
0.04/0.08	c |         0 |     424     1112     2589 |     5000        0    nan |  0.000 % |
0.04/0.08	c ===============================================================================
0.04/0.08	c core #80
0.04/0.08	c Core size: 37	Core Weight: 1	Total Weight: 80
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0.04/0.08	c ============================[ Search Statistics ]==============================
0.04/0.08	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.04/0.08	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.04/0.08	c ===============================================================================
0.04/0.08	c |         0 |     449     1113     2671 |     5000        0    nan |  0.000 % |
0.04/0.08	c ===============================================================================
0.04/0.08	c core #81
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0.04/0.08	c Learning 1 hard constraints
0.04/0.08	c ============================[ Search Statistics ]==============================
0.04/0.08	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.04/0.08	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.04/0.08	c ===============================================================================
0.04/0.08	c |         0 |     477     1115     2731 |     5000        0    nan |  0.000 % |
0.04/0.08	c ===============================================================================
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0.04/0.08	c ============================[ Search Statistics ]==============================
0.04/0.08	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.04/0.09	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.04/0.09	c ===============================================================================
0.04/0.09	c |         0 |     518     1116     2874 |     5000        0    nan |  0.000 % |
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0.04/0.09	c ============================[ Search Statistics ]==============================
0.04/0.09	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.04/0.09	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.04/0.09	c ===============================================================================
0.04/0.09	c |         0 |     528     1117     2896 |     5000        0    nan |  0.000 % |
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0.04/0.09	c Elapsed CPU time: 0.091986 s	Remaining CPU time: 1799.91 s
0.04/0.09	c ============================[ Search Statistics ]==============================
0.04/0.09	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.04/0.09	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.04/0.09	c ===============================================================================
0.04/0.09	c |         0 |     542     1118     2930 |     5000        0    nan |  0.000 % |
0.04/0.09	c ===============================================================================
0.04/0.09	c core #85
0.04/0.09	c Core size: 56	Core Weight: 1	Total Weight: 85
0.04/0.09	c Elapsed CPU time: 0.094985 s	Remaining CPU time: 1799.91 s
0.04/0.09	c Learning 2 hard constraints
0.04/0.09	c ============================[ Search Statistics ]==============================
0.04/0.09	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.04/0.09	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.04/0.09	c ===============================================================================
0.04/0.09	c |         0 |     567     1121     2996 |     5000        0    nan |  0.000 % |
0.09/0.10	c |       100 |     564     1121     2996 |     5500       96     10 | 17.302 % |
0.09/0.10	c |       255 |     564     1121     2996 |     6050      251     14 | 17.302 % |
0.09/0.11	c ===============================================================================
0.09/0.11	c core #86
0.09/0.11	c Core size: 148	Core Weight: 1	Total Weight: 86
0.09/0.11	c Elapsed CPU time: 0.113982 s	Remaining CPU time: 1799.89 s
0.09/0.11	c Learning 3 hard constraints
0.09/0.11	c ============================[ Search Statistics ]==============================
0.09/0.11	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.09/0.11	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.09/0.11	c ===============================================================================
0.09/0.11	c |         0 |     641     1125     3163 |     5000        0    nan |  0.000 % |
0.09/0.12	c |       100 |     641     1125     3163 |     5500      100     29 | 15.212 % |
0.09/0.12	c |       250 |     641     1125     3163 |     6050      250     27 | 15.212 % |
0.09/0.14	c |       475 |     641     1125     3163 |     6655      475     31 | 15.212 % |
0.09/0.15	c |       812 |     641     1125     3163 |     7320      812     37 | 15.212 % |
0.19/0.20	c |      1320 |     641     1125     3163 |     8052     1320     42 | 15.212 % |
0.29/0.30	c |      2079 |     641     1125     3163 |     8857     2079     42 | 15.212 % |
0.29/0.38	c ===============================================================================
0.39/0.40	c core #87
0.39/0.40	c Core size: 168	Core Weight: 1	Total Weight: 87
0.39/0.40	c Elapsed CPU time: 0.38994 s	Remaining CPU time: 1799.61 s
0.39/0.40	c Learning 2 hard constraints
0.39/0.40	c ============================[ Search Statistics ]==============================
0.39/0.40	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.39/0.40	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.39/0.40	c ===============================================================================
0.39/0.40	c |         0 |     720     1128     3331 |     5000        0    nan |  0.000 % |
0.39/0.40	c |       100 |     720     1128     3331 |     5500      100     28 | 13.773 % |
0.39/0.41	c |       253 |     719     1128     3331 |     6050      252     34 | 13.892 % |
0.39/0.42	c |       479 |     719     1128     3331 |     6655      478     38 | 14.132 % |
0.39/0.45	c ===============================================================================
0.39/0.45	c Verified 1128 original clauses.
0.39/0.45	c #cores: 87
0.39/0.45	c Final Weight: 87
0.39/0.45	o 87
0.39/0.45	s OPTIMUM FOUND
0.39/0.45	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 x186 -x187 -x188 x189 x190 x191 -x192 -x193 -x194 -x195 -x196 x197 -x198 -x199 -x200 -x201 x202 -x203 -x204 -x205 -x206 -x207 -x208 -x209 -x210 x211 x212 x213 -x214 -x215 -x216 -x217 -x218 -x219 -x220 -x221 -x222 -x223 -x224 -x225 -x226 x227 -x228 x229 -x230 -x231 x232 -x233 x234 -x235 -x236 -x237 -x238 x239 -x240 -x241 x242 x243 x244 -x245 -x246 x247 -x248 -x249 -x250 -x251 -x252 x253 x254 -x255 x256 -x257 x258 -x259 x260 x261 x262 -x263 -x264 x265 -x266 x267 -x268 x269 x270 -x271 x272 x273 x274 -x275 x276 -x277 -x278 -x279 x280 -x281 -x282 -x283 x284 x285 x286 -x287 -x288 -x289 x290 x291 -x292 x293 -x294 x295 x296 x297 x298 -x299 x300 -x301

Verifier Data 

OK	87

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1876308-1245172480/watcher-1876308-1245172480 -o /tmp/evaluation-result-1876308-1245172480/solver-1876308-1245172480 -C 1800 -W 2000 -M 1800 wbo -file-format=opb -time-limit=1800 HOME/instance-1876308-1245172480.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 3/64 3423
/proc/meminfo: memFree=1918952/2055920 swapFree=4181652/4192956
[pid=3423] ppid=3421 vsize=2552 CPUtime=0
/proc/3423/stat : 3423 (wbo) R 3421 3423 2588 0 -1 4194304 194 0 0 0 0 0 0 0 18 0 1 0 184848145 2613248 178 1992294400 134512640 135709839 4294956240 18446744073709551615 135187186 0 0 4096 3 0 0 0 17 1 0 0
/proc/3423/statm: 638 178 128 292 0 336 0

[startup+0.0425659 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 3423
/proc/meminfo: memFree=1918952/2055920 swapFree=4181652/4192956
[pid=3423] ppid=3421 vsize=2664 CPUtime=0.04
/proc/3423/stat : 3423 (wbo) R 3421 3423 2588 0 -1 4194304 253 0 0 0 4 0 0 0 18 0 1 0 184848145 2727936 230 1992294400 134512640 135709839 4294956240 18446744073709551615 135230974 0 0 4096 3 0 0 0 17 1 0 0
/proc/3423/statm: 666 230 133 292 0 371 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 2664

[startup+0.101568 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 3423
/proc/meminfo: memFree=1918952/2055920 swapFree=4181652/4192956
[pid=3423] ppid=3421 vsize=2924 CPUtime=0.09
/proc/3423/stat : 3423 (wbo) R 3421 3423 2588 0 -1 4194304 304 0 0 0 9 0 0 0 18 0 1 0 184848145 2994176 281 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/3423/statm: 731 281 135 292 0 436 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2924

[startup+0.301586 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 3423
/proc/meminfo: memFree=1918952/2055920 swapFree=4181652/4192956
[pid=3423] ppid=3421 vsize=3584 CPUtime=0.29
/proc/3423/stat : 3423 (wbo) R 3421 3423 2588 0 -1 4194304 483 0 0 0 29 0 0 0 19 0 1 0 184848145 3670016 460 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/3423/statm: 896 460 136 292 0 601 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3584

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

[startup+0.401595 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 3423
/proc/meminfo: memFree=1918952/2055920 swapFree=4181652/4192956
[pid=3423] ppid=3421 vsize=3848 CPUtime=0.39
/proc/3423/stat : 3423 (wbo) R 3421 3423 2588 0 -1 4194304 565 0 0 0 38 1 0 0 19 0 1 0 184848145 3940352 542 1992294400 134512640 135709839 4294956240 18446744073709551615 134675251 0 0 4096 3 0 0 0 17 1 0 0
/proc/3423/statm: 962 542 136 292 0 667 0
Current children cumulated CPU time (s) 0.39
Current children cumulated vsize (KiB) 3848

Child status: 0
Real time (s): 0.455755
CPU time (s): 0.45493
CPU user time (s): 0.438933
CPU system time (s): 0.015997
CPU usage (%): 99.819
Max. virtual memory (cumulated for all children) (KiB): 3848

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.438933
system time used= 0.015997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 604
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= 0

runsolver used 0.007998 second user time and 0.014997 second system time

The end

Launcher Data 

Begin job on node18 at 2009-06-16 19:14:40
IDJOB=1876308
IDBENCH=2863
IDSOLVER=698
FILE ID=node18/1876308-1245172480
PBS_JOBID= 9363849
Free space on /tmp= 66172 MiB

SOLVER NAME= wbo 1.0
BENCH NAME= PB06/final/normalized-PB06/OPT-SMALLINT/submitted-PB06/manquiho/logic_synthesis/normalized-C880.a.opb
COMMAND LINE= wbo -file-format=opb -time-limit=TIMEOUT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1876308-1245172480/watcher-1876308-1245172480 -o /tmp/evaluation-result-1876308-1245172480/solver-1876308-1245172480 -C 1800 -W 2000 -M 1800  wbo -file-format=opb -time-limit=1800 HOME/instance-1876308-1245172480.opb

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

MD5SUM BENCH= b05f470b70f12c211f6d9c7c351d242f
RANDOM SEED=1645907355

node18.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		: 3000.236
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		: 3000.236
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:      2055920 kB
MemFree:       1919432 kB
Buffers:         33548 kB
Cached:          58560 kB
SwapCached:       5540 kB
Active:          47216 kB
Inactive:        52708 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1919432 kB
SwapTotal:     4192956 kB
SwapFree:      4181652 kB
Dirty:            2756 kB
Writeback:           0 kB
Mapped:          12940 kB
Slab:            22624 kB
Committed_AS:   150060 kB
PageTables:       1376 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-1876308-1245172480.opb

Free space on /tmp at the end= 66172 MiB
End job on node18 at 2009-06-16 19:14:40