Trace number 3446634

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 1.6OPTIMUM 0.631903 0.631789

General information on the benchmark

Name/PARTIAL-SMALLINT-LIN/PB06/web/uclid_pb_benchmarks/
normalized-ooo.burch_dill.2.accl.ucl--soft-66-100-0.wbo
MD5SUMf80d40564f1db7b3506c9182fa0d36f6
Bench CategoryPARTIAL-SMALLINT-LIN (both soft and hard 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 benchmark0.631903
Max-Satisfiable
Max-(Un)Satisfiability was proved
Best value of the cost
Optimality of the best cost was proved
Number of variables2152
Total number of constraints5613
Number of soft constraints1896
Number of constraints which are clauses5137
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints476
Minimum length of a constraint1
Maximum length of a constraint11
Top cost 96673
Min constraint cost 1
Max constraint cost 100
Sum of constraints costs 96672
Biggest number in a constraint 35
Number of bits of the biggest number in a constraint 6
Biggest sum of numbers in a constraint 129
Number of bits of the biggest sum of numbers8
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 1.6 beta - 20110321
0.00/0.00	c Parsing wbo file format. File HOME/instance-3446634-1307906200.wbo.
0.00/0.00	c Instance file HOME/instance-3446634-1307906200.wbo
0.00/0.00	c File size is 196685 bytes.
0.00/0.01	c Highest Coefficient sum: 129
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:      2152                                                |
0.00/0.01	c |  Number Clauses:        5137                                                |
0.00/0.01	c |  Number Cardinality:    0                                                   |
0.00/0.01	c |  Number PB Constraints: 476                                                 |
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 |    2129     5613    16906 |     5000        0   -nan |  0.000 % |
0.00/0.02	c |       101 |    2129     5613    16906 |     5500      101     36 |  1.069 % |
0.00/0.02	c |       251 |    2129     5613    16906 |     6050      251     21 |  1.069 % |
0.00/0.03	c |       476 |    1998     5613    16906 |     6655      476     21 |  7.156 % |
0.00/0.05	c |       813 |    1862     5613    16906 |     7320      813     18 | 13.476 % |
0.05/0.08	c |      1320 |    1862     5613    16906 |     8052     1320     31 | 13.476 % |
0.09/0.12	c |      2079 |    1862     5613    16906 |     8857     2079     41 | 13.476 % |
0.09/0.19	c |      3218 |    1862     5613    16906 |     9743     3218     44 | 13.476 % |
0.29/0.31	c |      4927 |    1862     5613    16906 |    10717     4927     47 | 13.476 % |
0.39/0.49	c |      7489 |    1859     5613    16906 |    11789     7489     47 | 13.619 % |
0.49/0.57	c ===============================================================================
0.59/0.61	c core #1
0.59/0.61	c 
0.59/0.61	c 
0.59/0.61	c Core size: 1450	Core Weight: 1	Total Weight: 1
0.59/0.61	c Current CPU time: 0.575912 s
0.59/0.61	c
0.59/0.61	c ============================[ Search Statistics ]==============================
0.59/0.61	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.59/0.61	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.59/0.61	c ===============================================================================
0.59/0.61	c |         0 |    2846     6693    21771 |     5000        0   -nan |  0.000 % |
0.59/0.61	c |       101 |    2846     6693    21771 |     5500      101     12 |  0.802 % |
0.59/0.62	c |       252 |    2846     6693    21771 |     6050      252     12 |  0.806 % |
0.59/0.63	c ===============================================================================
0.59/0.63	c #cores: 1
0.59/0.63	o 1
0.59/0.63	s OPTIMUM FOUND
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0.59/0.63	c Total CPU time: 0.599908 s

Verifier Data

OK	1

Watcher Data

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.1 (svn: 989)

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

command line: BIN/runsolver --timestamp -w /var/tmp/evaluation-result-3446634-1307906200/watcher-3446634-1307906200 -o /var/tmp/evaluation-result-3446634-1307906200/solver-3446634-1307906200 -C 1800 -W 1900 -M 15500 wbo1.6 -file-format=wbo -time-limit=1800 -search-mode=0 HOME/instance-3446634-1307906200.wbo 

running on 4 cores: 1,3,5,7

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): 1900 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 15872000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 15923200 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.85 1.97 1.85 2/177 14244
/proc/meminfo: memFree=1302680/32950928 swapFree=67056212/67111528
[pid=14244] ppid=14242 vsize=2592 CPUtime=0 cores=1,3,5,7
/proc/14244/stat : 14244 (wbo1.6) R 14242 14244 11872 0 -1 4202496 386 0 0 0 0 0 0 0 25 0 1 0 980850653 2654208 337 33554432000 4194304 5714214 140733812865088 18446744073709551615 4970426 0 0 4096 3 0 0 0 17 5 0 0 0
/proc/14244/statm: 648 337 178 372 0 224 0

[startup+0.0637341 s]
/proc/loadavg: 1.85 1.97 1.85 2/177 14244
/proc/meminfo: memFree=1302680/32950928 swapFree=67056212/67111528
[pid=14244] ppid=14242 vsize=3560 CPUtime=0.05 cores=1,3,5,7
/proc/14244/stat : 14244 (wbo1.6) R 14242 14244 11872 0 -1 4202496 737 0 0 0 5 0 0 0 25 0 1 0 980850653 3645440 639 33554432000 4194304 5714214 140733812865088 18446744073709551615 5070807 0 0 4096 3 0 0 0 17 5 0 0 0
/proc/14244/statm: 890 639 177 372 0 515 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 3560

[startup+0.100731 s]
/proc/loadavg: 1.85 1.97 1.85 2/177 14244
/proc/meminfo: memFree=1302680/32950928 swapFree=67056212/67111528
[pid=14244] ppid=14242 vsize=3972 CPUtime=0.09 cores=1,3,5,7
/proc/14244/stat : 14244 (wbo1.6) R 14242 14244 11872 0 -1 4202496 815 0 0 0 8 1 0 0 25 0 1 0 980850653 4067328 717 33554432000 4194304 5714214 140733812865088 18446744073709551615 5070807 0 0 4096 3 0 0 0 17 5 0 0 0
/proc/14244/statm: 993 717 177 372 0 618 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3972

[startup+0.300699 s]
/proc/loadavg: 1.85 1.97 1.85 2/177 14244
/proc/meminfo: memFree=1302680/32950928 swapFree=67056212/67111528
[pid=14244] ppid=14242 vsize=5448 CPUtime=0.29 cores=1,3,5,7
/proc/14244/stat : 14244 (wbo1.6) R 14242 14244 11872 0 -1 4202496 1186 0 0 0 28 1 0 0 25 0 1 0 980850653 5578752 1088 33554432000 4194304 5714214 140733812865088 18446744073709551615 5070807 0 0 4096 3 0 0 0 17 5 0 0 0
/proc/14244/statm: 1362 1088 177 372 0 987 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5448

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

[startup+0.500665 s]
/proc/loadavg: 1.85 1.97 1.85 2/177 14244
/proc/meminfo: memFree=1302680/32950928 swapFree=67056212/67111528
[pid=14244] ppid=14242 vsize=6644 CPUtime=0.49 cores=1,3,5,7
/proc/14244/stat : 14244 (wbo1.6) R 14242 14244 11872 0 -1 4202496 1501 0 0 0 47 2 0 0 25 0 1 0 980850653 6803456 1403 33554432000 4194304 5714214 140733812865088 18446744073709551615 5070807 0 0 4096 3 0 0 0 17 5 0 0 0
/proc/14244/statm: 1661 1403 177 372 0 1286 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 6644

[startup+0.600635 s]
/proc/loadavg: 1.85 1.97 1.85 2/177 14244
/proc/meminfo: memFree=1302680/32950928 swapFree=67056212/67111528
[pid=14244] ppid=14242 vsize=7600 CPUtime=0.59 cores=1,3,5,7
/proc/14244/stat : 14244 (wbo1.6) R 14242 14244 11872 0 -1 4202496 1714 0 0 0 56 3 0 0 25 0 1 0 980850653 7782400 1616 33554432000 4194304 5714214 140733812865088 18446744073709551615 4324431 0 0 4096 3 0 0 0 17 5 0 0 0
/proc/14244/statm: 1900 1616 177 372 0 1525 0
Current children cumulated CPU time (s) 0.59
Current children cumulated vsize (KiB) 7600

Child status: 0
Real time (s): 0.631789
CPU time (s): 0.631903
CPU user time (s): 0.599908
CPU system time (s): 0.031995
CPU usage (%): 100.018
Max. virtual memory (cumulated for all children) (KiB): 7600

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.599908
system time used= 0.031995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2039
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= 4
involuntary context switches= 2

runsolver used 0.003999 second user time and 0.003999 second system time

The end

Launcher Data

Begin job on node115 at 2011-06-12 21:16:40
IDJOB=3446634
IDBENCH=79043
IDSOLVER=1943
FILE ID=node115/3446634-1307906200
RUNJOBID= node115-1307904390-13511
PBS_JOBID= 13559590
Free space on /var/tmp= 2880 MiB

SOLVER NAME= wbo 1.6
BENCH NAME= PB10/normalized-PB10/PARTIAL-SMALLINT-LIN/PB06/web/uclid_pb_benchmarks/normalized-ooo.burch_dill.2.accl.ucl--soft-66-100-0.wbo
COMMAND LINE= wbo1.6 -file-format=wbo -time-limit=TIMEOUT -search-mode=0 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /var/tmp/evaluation-result-3446634-1307906200/watcher-3446634-1307906200 -o /var/tmp/evaluation-result-3446634-1307906200/solver-3446634-1307906200 -C 1800 -W 1900 -M 15500  wbo1.6 -file-format=wbo -time-limit=1800 -search-mode=0 HOME/instance-3446634-1307906200.wbo

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= f80d40564f1db7b3506c9182fa0d36f6
RANDOM SEED=891749513

node115.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		: 2666.811
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	: 5333.62
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		: 2666.811
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		: 2666.811
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	: 5332.75
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		: 2666.811
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		: 2666.811
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	: 5332.77
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		: 2666.811
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	: 5332.74
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		: 2666.811
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	: 5332.75
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		: 2666.811
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	: 5332.74
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32950928 kB
MemFree:       1302860 kB
Buffers:         60460 kB
Cached:       30588788 kB
SwapCached:       9240 kB
Active:       15800472 kB
Inactive:     14889880 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:       1302860 kB
SwapTotal:    67111528 kB
SwapFree:     67056212 kB
Dirty:            9768 kB
Writeback:           8 kB
AnonPages:       38436 kB
Mapped:          14044 kB
Slab:           892788 kB
PageTables:       4708 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS:   232764 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 /var/tmp at the end= 2876 MiB
End job on node115 at 2011-06-12 21:16:41