Trace number 2689870

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 1.4aOPTIMUM 0.174973 0.175155

General information on the benchmark

Name/SOFT-SMALLINT-LIN/PB06/web/uclid_pb_benchmarks/
normalized-ooo.burch_dill.4.accl.ucl--soft-0-100-0.wbo
MD5SUMa305848cf761b3c7939395660924f4d7
Bench CategorySOFT-SMALLINT-LIN (only soft constraints, small integers, linear constraints)
Best result obtained on this benchmarkMOPT
Best cost obtained on this benchmark1
Best CPU time to get the best result obtained on this benchmark0.174973
Max-Satisfiable
Max-(Un)Satisfiability was proved
Best value of the cost
Optimality of the best cost was proved
Number of variables3939
Total number of constraints10412
Number of soft constraints10412
Number of constraints which are clauses9740
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints672
Minimum length of a constraint1
Maximum length of a constraint13
Top cost 524426
Min constraint cost 1
Max constraint cost 100
Sum of constraints costs 524425
Biggest number in a constraint 69
Number of bits of the biggest number in a constraint 7
Biggest sum of numbers in a constraint 258
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 wbo 1.4 beta - 20100517
0.00/0.00	c Parsing wbo file format. File HOME/instance-2689870-1277932337.wbo.
0.00/0.00	c Instance file HOME/instance-2689870-1277932337.wbo
0.00/0.00	c File size is 402770 bytes.
0.02/0.02	c Highest Coefficient sum: 258
0.02/0.02	c ============================[ Problem Statistics ]=============================
0.02/0.02	c |                                                                             |
0.02/0.02	c |  Parsing time:          0.03         s                                      |
0.02/0.02	c |  Number Variables:      3939                                                |
0.02/0.02	c |  Number Clauses:        9740                                                |
0.02/0.02	c |  Number Cardinality:    0                                                   |
0.02/0.02	c |  Number PB Constraints: 672                                                 |
0.02/0.02	c ============================[ Search Statistics ]==============================
0.02/0.02	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.02/0.02	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.02/0.02	c ===============================================================================
0.02/0.02	c |         0 |    3896    10412    31121 |     5000        0    nan |  0.000 % |
0.02/0.03	c |       101 |    2823    10412    31121 |     5500       94     19 | 28.333 % |
0.02/0.04	c |       251 |    2823    10412    31121 |     6050      244     34 | 28.332 % |
0.02/0.05	c |       478 |    2818    10412    31121 |     6655      409     24 | 28.586 % |
0.02/0.07	c |       816 |    2814    10412    31121 |     7320      747     39 | 28.586 % |
0.09/0.11	c |      1322 |    2809    10412    31121 |     8052     1247     51 | 28.967 % |
0.09/0.13	c ===============================================================================
0.09/0.15	c core #1
0.09/0.15	c ============================[ Search Statistics ]==============================
0.09/0.15	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.09/0.15	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.09/0.15	c ===============================================================================
0.09/0.15	c |         0 |    5568    13406    43373 |     5000        0    nan |  0.000 % |
0.09/0.16	c |       101 |    5567    13406    43373 |     5500      101     19 |  0.707 % |
0.09/0.17	c ===============================================================================
0.09/0.17	c #cores: 1
0.09/0.17	c Final Weight: 1
0.09/0.17	o 1
0.09/0.17	s OPTIMUM FOUND
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0.09/0.17	c Total CPU time: 0.168974 s

Verifier Data

OK	1

Watcher Data

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2689870-1277932337/watcher-2689870-1277932337 -o /tmp/evaluation-result-2689870-1277932337/solver-2689870-1277932337 -C 1800 -W 2000 -M 3800 wbo1.4a -file-format=wbo -time-limit=1800 HOME/instance-2689870-1277932337.wbo 

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): 3891200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 3942400 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.92 1.98 1.99 4/178 13335
/proc/meminfo: memFree=30138672/32951124 swapFree=67111528/67111528
[pid=13335] ppid=13333 vsize=3244 CPUtime=0
/proc/13335/stat : 13335 (wbo1.4a) R 13333 13335 12625 0 -1 4202496 367 0 0 0 0 0 0 0 25 0 1 0 134531051 3321856 286 4089446400 134512640 135751879 4292495936 18446744073709551615 134576086 0 0 4096 3 0 0 0 17 4 0 0 0
/proc/13335/statm: 811 286 150 303 0 407 0

[startup+0.022277 s]
/proc/loadavg: 1.92 1.98 1.99 4/178 13335
/proc/meminfo: memFree=30138672/32951124 swapFree=67111528/67111528
[pid=13335] ppid=13333 vsize=4064 CPUtime=0.02
/proc/13335/stat : 13335 (wbo1.4a) R 13333 13335 12625 0 -1 4202496 634 0 0 0 2 0 0 0 25 0 1 0 134531051 4161536 553 4089446400 134512640 135751879 4292495936 18446744073709551615 134564614 0 0 4096 3 0 0 0 17 4 0 0 0
/proc/13335/statm: 1016 554 212 303 0 612 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 4064

[startup+0.100262 s]
/proc/loadavg: 1.92 1.98 1.99 4/178 13335
/proc/meminfo: memFree=30138672/32951124 swapFree=67111528/67111528
[pid=13335] ppid=13333 vsize=4736 CPUtime=0.09
/proc/13335/stat : 13335 (wbo1.4a) R 13333 13335 12625 0 -1 4202496 910 0 0 0 9 0 0 0 25 0 1 0 134531051 4849664 730 4089446400 134512640 135751879 4292495936 18446744073709551615 135270609 0 0 4096 3 0 0 0 17 4 0 0 0
/proc/13335/statm: 1184 731 143 303 0 879 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4736

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

Child status: 0
Real time (s): 0.175155
CPU time (s): 0.174973
CPU user time (s): 0.168974
CPU system time (s): 0.005999
CPU usage (%): 99.8961
Max. virtual memory (cumulated for all children) (KiB): 4736

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.168974
system time used= 0.005999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1436
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= 1
involuntary context switches= 2

runsolver used 0.001999 second user time and 0.006998 second system time

The end

Launcher Data

Begin job on node105 at 2010-06-30 23:12:17
IDJOB=2689870
IDBENCH=79338
IDSOLVER=1200
FILE ID=node105/2689870-1277932337
PBS_JOBID= 11197368
Free space on /tmp= 74208 MiB

SOLVER NAME= wbo 1.4a
BENCH NAME= PB10/normalized-PB10/SOFT-SMALLINT-LIN/PB06/web/uclid_pb_benchmarks/normalized-ooo.burch_dill.4.accl.ucl--soft-0-100-0.wbo
COMMAND LINE= wbo1.4a -file-format=wbo -time-limit=TIMEOUT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2689870-1277932337/watcher-2689870-1277932337 -o /tmp/evaluation-result-2689870-1277932337/solver-2689870-1277932337 -C 1800 -W 2000 -M 3800  wbo1.4a -file-format=wbo -time-limit=1800 HOME/instance-2689870-1277932337.wbo

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 3800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= a305848cf761b3c7939395660924f4d7
RANDOM SEED=509714393

node105.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	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.840
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5333.68
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.840
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 16
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5226.15
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.840
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.82
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.840
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 18
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 4
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.840
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.94
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 5
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.840
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 20
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.70
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 6
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.840
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.82
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.840
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 22
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.76
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      30139076 kB
Buffers:        214348 kB
Cached:        1822188 kB
SwapCached:          0 kB
Active:        1110172 kB
Inactive:      1556228 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      30139076 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:            3396 kB
Writeback:           0 kB
AnonPages:      630160 kB
Mapped:          16872 kB
Slab:            81712 kB
PageTables:       6048 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   847880 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    296008 kB
VmallocChunk: 34359440975 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 74204 MiB
End job on node105 at 2010-06-30 23:12:17