Trace number 2655620

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
wbo 1.4aSAT 6.74097 6.74295

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/
FPGA_SAT05/normalized-fpga25_23_sat_pb.cnf.cr.opb
MD5SUMf5648c05fd08b8fac6342afd4b5bd61d
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 benchmark0.015997
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables863
Total number of constraints646
Number of constraints which are clauses598
Number of constraints which are cardinality constraints (but not clauses)48
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint12
Maximum length of a constraint25
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 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 26
Number of bits of the biggest sum of numbers5
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 wbo 1.4 beta - 20100517
0.00/0.00	c Parsing opb file format. File HOME/instance-2655620-1276322316.opb.
0.00/0.00	c Instance file HOME/instance-2655620-1276322316.opb
0.00/0.00	c File size is 73543 bytes.
0.00/0.01	c Highest Coefficient sum: 26
0.00/0.01	c ============================[ Problem Statistics ]=============================
0.00/0.01	c |                                                                             |
0.00/0.01	c |  Parsing time:          0.01         s                                      |
0.00/0.01	c |  Number Variables:      863                                                 |
0.00/0.01	c |  Number Clauses:        598                                                 |
0.00/0.01	c |  Number Cardinality:    48                                                  |
0.00/0.01	c |  Number PB Constraints: 0                                                   |
0.00/0.01	c ============================[ Search Statistics ]==============================
0.00/0.01	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.01	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.00/0.01	c ===============================================================================
0.00/0.01	c |         0 |     863      646     8637 |     5000        0    nan |  0.000 % |
0.00/0.01	c |       101 |     863      646     8637 |     5500      101     44 |  0.000 % |
0.00/0.03	c |       253 |     863      646     8637 |     6050      253    121 |  0.000 % |
0.00/0.05	c |       478 |     863      646     8637 |     6655      478    104 |  0.000 % |
0.07/0.09	c |       815 |     863      646     8637 |     7320      815    114 |  0.000 % |
0.09/0.16	c |      1321 |     863      646     8637 |     8052     1321    112 |  0.000 % |
0.19/0.21	c |      2080 |     863      646     8637 |     8857     2080     87 |  0.000 % |
0.49/0.52	c |      3220 |     863      646     8637 |     9743     3220    115 |  0.000 % |
0.99/1.06	c |      4930 |     863      646     8637 |    10717     4930    120 |  0.000 % |
2.19/2.29	c |      7492 |     863      646     8637 |    11789     7492    152 |  0.000 % |
2.79/2.89	c |     11340 |     863      646     8637 |    12968    11340    125 |  0.000 % |
6.69/6.72	c |     17108 |     863      646     8637 |    14265    10289    175 |  0.000 % |
6.69/6.74	c ===============================================================================
6.69/6.74	c #cores: 0
6.69/6.74	c Final Weight: 0
6.69/6.74	s SATISFIABLE
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-x291 -x281 -x283 -x286 -x288 -x297 -x299
6.69/6.74	c Total CPU time: 6.68598 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-2655620-1276322316/watcher-2655620-1276322316 -o /tmp/evaluation-result-2655620-1276322316/solver-2655620-1276322316 -C 1800 -W 2000 -M 1800 wbo1.4a -file-format=opb -time-limit=1800 HOME/instance-2655620-1276322316.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: 1.32 1.08 1.02 3/106 11066
/proc/meminfo: memFree=1409728/2059040 swapFree=4192956/4192956
[pid=11066] ppid=11064 vsize=2780 CPUtime=0
/proc/11066/stat : 11066 (wbo1.4a) R 11064 11066 10335 0 -1 4202496 297 0 0 0 0 0 0 0 20 0 1 0 5887993 2846720 216 1992294400 134512640 135751879 4287899344 18446744073709551615 134564614 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/11066/statm: 695 217 139 303 0 372 0

[startup+0.0748471 s]
/proc/loadavg: 1.32 1.08 1.02 3/106 11066
/proc/meminfo: memFree=1409728/2059040 swapFree=4192956/4192956
[pid=11066] ppid=11064 vsize=3104 CPUtime=0.07
/proc/11066/stat : 11066 (wbo1.4a) R 11064 11066 10335 0 -1 4202496 430 0 0 0 7 0 0 0 20 0 1 0 5887993 3178496 331 1992294400 134512640 135751879 4287899344 18446744073709551615 134519024 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/11066/statm: 776 331 143 303 0 471 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 3104

[startup+0.101849 s]
/proc/loadavg: 1.32 1.08 1.02 3/106 11066
/proc/meminfo: memFree=1409728/2059040 swapFree=4192956/4192956
[pid=11066] ppid=11064 vsize=3236 CPUtime=0.09
/proc/11066/stat : 11066 (wbo1.4a) R 11064 11066 10335 0 -1 4202496 461 0 0 0 9 0 0 0 20 0 1 0 5887993 3313664 362 1992294400 134512640 135751879 4287899344 18446744073709551615 135270609 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/11066/statm: 809 362 143 303 0 504 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3236

[startup+0.301868 s]
/proc/loadavg: 1.32 1.08 1.02 3/106 11066
/proc/meminfo: memFree=1409728/2059040 swapFree=4192956/4192956
[pid=11066] ppid=11064 vsize=4028 CPUtime=0.29
/proc/11066/stat : 11066 (wbo1.4a) R 11064 11066 10335 0 -1 4202496 655 0 0 0 29 0 0 0 20 0 1 0 5887993 4124672 556 1992294400 134512640 135751879 4287899344 18446744073709551615 134616507 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/11066/statm: 1007 556 143 303 0 702 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4028

[startup+0.701906 s]
/proc/loadavg: 1.32 1.08 1.02 3/106 11066
/proc/meminfo: memFree=1409728/2059040 swapFree=4192956/4192956
[pid=11066] ppid=11064 vsize=4952 CPUtime=0.69
/proc/11066/stat : 11066 (wbo1.4a) R 11064 11066 10335 0 -1 4202496 910 0 0 0 68 1 0 0 21 0 1 0 5887993 5070848 811 1992294400 134512640 135751879 4287899344 18446744073709551615 135270609 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/11066/statm: 1238 811 143 303 0 933 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4952

[startup+1.50198 s]
/proc/loadavg: 1.32 1.08 1.02 2/107 11067
/proc/meminfo: memFree=1406372/2059040 swapFree=4192956/4192956
[pid=11066] ppid=11064 vsize=6668 CPUtime=1.49
/proc/11066/stat : 11066 (wbo1.4a) R 11064 11066 10335 0 -1 4202496 1338 0 0 0 147 2 0 0 23 0 1 0 5887993 6828032 1239 1992294400 134512640 135751879 4287899344 18446744073709551615 134517408 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/11066/statm: 1667 1239 143 303 0 1362 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 6668

[startup+3.10114 s]
/proc/loadavg: 1.32 1.08 1.02 2/107 11067
/proc/meminfo: memFree=1403768/2059040 swapFree=4192956/4192956
[pid=11066] ppid=11064 vsize=10232 CPUtime=3.09
/proc/11066/stat : 11066 (wbo1.4a) R 11064 11066 10335 0 -1 4202496 2230 0 0 0 306 3 0 0 25 0 1 0 5887993 10477568 2131 1992294400 134512640 135751879 4287899344 18446744073709551615 134517408 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/11066/statm: 2558 2131 143 303 0 2253 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 10232

[startup+6.30144 s]
/proc/loadavg: 1.29 1.08 1.02 2/107 11067
/proc/meminfo: memFree=1397940/2059040 swapFree=4192956/4192956
[pid=11066] ppid=11064 vsize=15292 CPUtime=6.29
/proc/11066/stat : 11066 (wbo1.4a) R 11064 11066 10335 0 -1 4202496 3486 0 0 0 624 5 0 0 25 0 1 0 5887993 15659008 3387 1992294400 134512640 135751879 4287899344 18446744073709551615 134616467 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/11066/statm: 3823 3387 143 303 0 3518 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 15292

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

[startup+6.70148 s]
/proc/loadavg: 1.29 1.08 1.02 2/107 11067
/proc/meminfo: memFree=1396080/2059040 swapFree=4192956/4192956
[pid=11066] ppid=11064 vsize=16084 CPUtime=6.69
/proc/11066/stat : 11066 (wbo1.4a) R 11064 11066 10335 0 -1 4202496 3664 0 0 0 664 5 0 0 25 0 1 0 5887993 16470016 3565 1992294400 134512640 135751879 4287899344 18446744073709551615 134516976 0 0 4096 3 0 0 0 17 1 0 0 0
/proc/11066/statm: 4021 3565 143 303 0 3716 0
Current children cumulated CPU time (s) 6.69
Current children cumulated vsize (KiB) 16084

Child status: 0
Real time (s): 6.74295
CPU time (s): 6.74097
CPU user time (s): 6.68598
CPU system time (s): 0.054991
CPU usage (%): 99.9707
Max. virtual memory (cumulated for all children) (KiB): 16084

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 6.68598
system time used= 0.054991
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3696
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= 88

runsolver used 0.018997 second user time and 0.038994 second system time

The end

Launcher Data 

Begin job on node018 at 2010-06-12 07:58:37
IDJOB=2655620
IDBENCH=1400
IDSOLVER=1160
FILE ID=node018/2655620-1276322316
PBS_JOBID= 11173162
Free space on /tmp= 62292 MiB

SOLVER NAME= wbo 1.4a
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/FPGA_SAT05/normalized-fpga25_23_sat_pb.cnf.cr.opb
COMMAND LINE= wbo1.4a -file-format=opb -time-limit=TIMEOUT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2655620-1276322316/watcher-2655620-1276322316 -o /tmp/evaluation-result-2655620-1276322316/solver-2655620-1276322316 -C 1800 -W 2000 -M 1800  wbo1.4a -file-format=opb -time-limit=1800 HOME/instance-2655620-1276322316.opb

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

MD5SUM BENCH= f5648c05fd08b8fac6342afd4b5bd61d
RANDOM SEED=278807461

node018.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		: 3000.248
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	: 6000.49
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		: 3000.248
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	: 5599.47
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1410256 kB
Buffers:         99808 kB
Cached:         405728 kB
SwapCached:          0 kB
Active:         198376 kB
Inactive:       366392 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1410256 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            3124 kB
Writeback:           0 kB
AnonPages:       59192 kB
Mapped:          15388 kB
Slab:            62344 kB
PageTables:       3988 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181300 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62292 MiB
End job on node018 at 2010-06-12 07:58:43