Trace number 1876303

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 1.0OPT76 0.312951 0.313452

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/submitted-PB06/
manquiho/logic_synthesis/normalized-exps.r.opb
MD5SUM37869a33fb7d76f12c52d22950a4fb50
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark76
Best CPU time to get the best result obtained on this benchmark0.034994
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 76
Optimality of the best value was proved YES
Number of variables696
Total number of constraints680
Number of constraints which are clauses680
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 constraint2
Maximum length of a constraint32
Number of terms in the objective function 696
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 696
Number of bits of the sum of numbers in the objective function 10
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 696
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 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-1876303-1245172461.opb.
0.00/0.00	c Instance file HOME/instance-1876303-1245172461.opb
0.00/0.00	c File size is 55097 bytes.
0.00/0.00	c Highest Coefficient sum: 33
0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.00/0.00	c |  Parsing time:          0.01         s                                      |
0.00/0.00	c |  Number Variables:      696                                                 |
0.00/0.00	c |  Number Clauses:        1376                                                |
0.00/0.00	c |  Number Cardinality:    0                                                   |
0.00/0.00	c |  Number PB Constraints: 0                                                   |
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0.09/0.12	c ============================[ Search Statistics ]==============================
0.09/0.12	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.09/0.12	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.09/0.12	c ===============================================================================
0.09/0.12	c |         0 |     565     1444     6411 |     5000        0    nan |  0.000 % |
0.09/0.12	c ===============================================================================
0.09/0.12	c core #69
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0.09/0.12	c Elapsed CPU time: 0.123981 s	Remaining CPU time: 1799.88 s
0.09/0.12	c ============================[ Search Statistics ]==============================
0.09/0.12	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.09/0.12	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.09/0.12	c ===============================================================================
0.09/0.12	c |         0 |     589     1445     6453 |     5000        0    nan |  0.000 % |
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0.09/0.13	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.09/0.13	c ===============================================================================
0.09/0.13	c |         0 |     663     1446     6724 |     5000        0    nan |  0.000 % |
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0.09/0.13	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
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0.09/0.13	c |         0 |     688     1447     6770 |     5000        0    nan |  0.000 % |
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0.09/0.13	c core #72
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0.09/0.13	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.09/0.13	c ===============================================================================
0.09/0.13	c |         0 |     749     1448     6891 |     5000        0    nan |  0.000 % |
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0.09/0.14	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.09/0.14	c ===============================================================================
0.09/0.14	c |         0 |     782     1449     6954 |     5000        0    nan |  0.000 % |
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0.09/0.14	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.09/0.14	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.09/0.14	c ===============================================================================
0.09/0.14	c |         0 |     824     1450     7036 |     5000        0    nan |  0.000 % |
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0.09/0.14	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
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0.09/0.14	c |         0 |     878     1451     7134 |     5000        0    nan |  0.000 % |
0.09/0.15	c |       103 |     816     1451     7134 |     5500      100     10 | 34.720 % |
0.09/0.16	c |       258 |     813     1451     7134 |     6050      255     14 | 35.840 % |
0.09/0.17	c |       483 |     801     1451     7134 |     6655      477     18 | 36.000 % |
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0.09/0.17	c Elapsed CPU time: 0.170974 s	Remaining CPU time: 1799.83 s
0.09/0.18	c ============================[ Search Statistics ]==============================
0.09/0.18	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.09/0.18	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.09/0.18	c ===============================================================================
0.09/0.18	c |         0 |    1042     1452     7402 |     5000        0    nan |  0.000 % |
0.09/0.18	c |       100 |    1042     1452     7402 |     5500      100     16 | 24.171 % |
0.09/0.19	c |       256 |    1027     1452     7402 |     6050      254     15 | 24.318 % |
0.19/0.20	c |       483 |     948     1452     7402 |     6655      476     15 | 30.140 % |
0.19/0.22	c |       820 |     948     1452     7402 |     7320      813     18 | 30.140 % |
0.19/0.25	c |      1326 |     948     1452     7402 |     8052     1319     18 | 30.140 % |
0.19/0.29	c |      2085 |     946     1452     7402 |     8857     2077     20 | 30.287 % |
0.29/0.31	c ===============================================================================
0.29/0.31	c Verified 1452 original clauses.
0.29/0.31	c #cores: 76
0.29/0.31	c Final Weight: 76
0.29/0.31	o 76
0.29/0.31	s OPTIMUM FOUND
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Verifier Data 

OK	76

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1876303-1245172461/watcher-1876303-1245172461 -o /tmp/evaluation-result-1876303-1245172461/solver-1876303-1245172461 -C 1800 -W 2000 -M 1800 wbo -file-format=opb -time-limit=1800 HOME/instance-1876303-1245172461.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 0.95 3/67 9497
/proc/meminfo: memFree=1303256/2055920 swapFree=4192956/4192956
[pid=9497] ppid=9495 vsize=2592 CPUtime=0
/proc/9497/stat : 9497 (wbo) R 9495 9497 9148 0 -1 4194304 210 0 0 0 0 0 0 0 18 0 1 0 173735456 2654208 194 1992294400 134512640 135709839 4294956240 18446744073709551615 135168571 0 0 4096 3 0 0 0 17 1 0 0
/proc/9497/statm: 648 194 128 292 0 339 0

[startup+0.0776571 s]
/proc/loadavg: 1.00 1.00 0.95 3/67 9497
/proc/meminfo: memFree=1303256/2055920 swapFree=4192956/4192956
[pid=9497] ppid=9495 vsize=2872 CPUtime=0.07
/proc/9497/stat : 9497 (wbo) R 9495 9497 9148 0 -1 4194304 324 0 0 0 7 0 0 0 18 0 1 0 173735456 2940928 294 1992294400 134512640 135709839 4294956240 18446744073709551615 135230974 0 0 4096 3 0 0 0 17 1 0 0
/proc/9497/statm: 718 294 133 292 0 423 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 2872

[startup+0.10166 s]
/proc/loadavg: 1.00 1.00 0.95 3/67 9497
/proc/meminfo: memFree=1303256/2055920 swapFree=4192956/4192956
[pid=9497] ppid=9495 vsize=2980 CPUtime=0.09
/proc/9497/stat : 9497 (wbo) R 9495 9497 9148 0 -1 4194304 330 0 0 0 9 0 0 0 18 0 1 0 173735456 3051520 300 1992294400 134512640 135709839 4294956240 18446744073709551615 135382478 0 0 4096 3 0 0 0 17 1 0 0
/proc/9497/statm: 745 300 133 292 0 450 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2980

[startup+0.301677 s]
/proc/loadavg: 1.00 1.00 0.95 3/67 9497
/proc/meminfo: memFree=1303256/2055920 swapFree=4192956/4192956
[pid=9497] ppid=9495 vsize=3512 CPUtime=0.29
/proc/9497/stat : 9497 (wbo) R 9495 9497 9148 0 -1 4194304 479 0 0 0 29 0 0 0 19 0 1 0 173735456 3596288 449 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/9497/statm: 878 449 136 292 0 583 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3512

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

Child status: 0
Real time (s): 0.313452
CPU time (s): 0.312951
CPU user time (s): 0.302953
CPU system time (s): 0.009998
CPU usage (%): 99.8402
Max. virtual memory (cumulated for all children) (KiB): 3512

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.302953
system time used= 0.009998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 495
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= 1

runsolver used 0.004999 second user time and 0.004999 second system time

The end

Launcher Data 

Begin job on node68 at 2009-06-16 19:14:21
IDJOB=1876303
IDBENCH=2858
IDSOLVER=698
FILE ID=node68/1876303-1245172461
PBS_JOBID= 9363870
Free space on /tmp= 66472 MiB

SOLVER NAME= wbo 1.0
BENCH NAME= PB06/final/normalized-PB06/OPT-SMALLINT/submitted-PB06/manquiho/logic_synthesis/normalized-exps.r.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-1876303-1245172461/watcher-1876303-1245172461 -o /tmp/evaluation-result-1876303-1245172461/solver-1876303-1245172461 -C 1800 -W 2000 -M 1800  wbo -file-format=opb -time-limit=1800 HOME/instance-1876303-1245172461.opb

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

MD5SUM BENCH= 37869a33fb7d76f12c52d22950a4fb50
RANDOM SEED=586303962

node68.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		: 3000.238
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		: 3000.238
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:       1303672 kB
Buffers:         69120 kB
Cached:         586672 kB
SwapCached:          0 kB
Active:         325184 kB
Inactive:       347044 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1303672 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            2432 kB
Writeback:           0 kB
Mapped:          26464 kB
Slab:            65632 kB
Committed_AS:    81836 kB
PageTables:       1564 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-1876303-1245172461.opb

Free space on /tmp at the end= 66472 MiB
End job on node68 at 2009-06-16 19:14:22