Trace number 3461007

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 1.6SAT 0.406937 0.407338

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/
prestwich/robin/normalized-robin10.opb
MD5SUM93a881e30e7c33fefd66d9521eb49849
Bench CategoryDEC-SMALLINT-LIN (no optimisation, small integers, linear constraints)
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 benchmark0.110983
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables2025
Total number of constraints410
Number of constraints which are clauses180
Number of constraints which are cardinality constraints (but not clauses)230
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint45
Maximum length of a constraint81
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 2
Number of bits of the biggest number in a constraint 2
Biggest sum of numbers in a constraint 83
Number of bits of the biggest sum of numbers7
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 opb file format. File HOME/instance-3461007-1307065864.opb.
0.00/0.00	c Instance file HOME/instance-3461007-1307065864.opb
0.00/0.00	c File size is 174482 bytes.
0.00/0.01	c Highest Coefficient sum: 83
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:      2025                                                |
0.00/0.01	c |  Number Clauses:        180                                                 |
0.00/0.01	c |  Number Cardinality:    230                                                 |
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 |    2025      410    20250 |     5000        0   -nan |  0.000 % |
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 |    2025      410    20250 |     5000        0   -nan |  0.000 % |
0.00/0.02	c |       101 |    2025      410    20250 |     5500      101     90 |  0.000 % |
0.03/0.03	c |       252 |    2025      410    20250 |     6050      252    182 |  0.000 % |
0.03/0.05	c |       477 |    2025      410    20250 |     6655      477    168 |  0.000 % |
0.03/0.09	c |       819 |    2025      410    20250 |     7320      819    206 |  0.000 % |
0.09/0.15	c |      1325 |    2025      410    20250 |     8052     1325    254 |  0.000 % |
0.19/0.21	c |      2087 |    2025      410    20250 |     8857     2087    240 |  0.000 % |
0.29/0.35	c |      3226 |    2025      410    20250 |     9743     3226    248 |  0.000 % |
0.39/0.40	c ===============================================================================
0.39/0.40	c #cores: 0
0.39/0.40	c Final Weight: 0
0.39/0.40	s SATISFIABLE
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-x2017 -x2018 -x2019 -x2020 -x2021 -x2022 -x2023 -x2024 -x2025
0.39/0.40	c Total CPU time: 0.397939 s

Verifier Data 

OK	0

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 977)

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 /tmp/evaluation-result-3461007-1307065864/watcher-3461007-1307065864 -o /tmp/evaluation-result-3461007-1307065864/solver-3461007-1307065864 -C 1800 -W 1900 -M 15500 wbo1.6 -file-format=opb -time-limit=1800 HOME/instance-3461007-1307065864.opb 

running on 4 cores: 0,2,4,6

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: 1.91 1.98 1.94 3/400 20330
/proc/meminfo: memFree=30124324/32950904 swapFree=56615552/67111528
[pid=20330] ppid=20328 vsize=3500 CPUtime=0.01 cores=0,2,4,6
/proc/20330/stat : 20330 (wbo1.6) R 20328 20330 19672 0 -1 4202496 708 0 0 0 1 0 0 0 25 0 1 0 818186141 3584000 619 33554432000 4194304 5714214 140734132239808 18446744073709551615 4207531 0 0 4096 3 0 0 0 17 0 0 0 0
/proc/20330/statm: 875 619 171 372 0 500 0

[startup+0.0331481 s]
/proc/loadavg: 1.91 1.98 1.94 3/400 20330
/proc/meminfo: memFree=30124324/32950904 swapFree=56615552/67111528
[pid=20330] ppid=20328 vsize=4472 CPUtime=0.03 cores=0,2,4,6
/proc/20330/stat : 20330 (wbo1.6) R 20328 20330 19672 0 -1 4202496 959 0 0 0 3 0 0 0 25 0 1 0 818186141 4579328 870 33554432000 4194304 5714214 140734132239808 18446744073709551615 4309222 0 0 4096 3 0 0 0 17 0 0 0 0
/proc/20330/statm: 1118 870 180 372 0 743 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 4472

[startup+0.100136 s]
/proc/loadavg: 1.91 1.98 1.94 3/400 20330
/proc/meminfo: memFree=30124324/32950904 swapFree=56615552/67111528
[pid=20330] ppid=20328 vsize=4604 CPUtime=0.09 cores=0,2,4,6
/proc/20330/stat : 20330 (wbo1.6) R 20328 20330 19672 0 -1 4202496 971 0 0 0 9 0 0 0 25 0 1 0 818186141 4714496 882 33554432000 4194304 5714214 140734132239808 18446744073709551615 5070807 0 0 4096 3 0 0 0 17 0 0 0 0
/proc/20330/statm: 1151 882 180 372 0 776 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4604

[startup+0.300101 s]
/proc/loadavg: 1.91 1.98 1.94 3/400 20330
/proc/meminfo: memFree=30124324/32950904 swapFree=56615552/67111528
[pid=20330] ppid=20328 vsize=6984 CPUtime=0.29 cores=0,2,4,6
/proc/20330/stat : 20330 (wbo1.6) R 20328 20330 19672 0 -1 4202496 1565 0 0 0 29 0 0 0 25 0 1 0 818186141 7151616 1476 33554432000 4194304 5714214 140734132239808 18446744073709551615 4319248 0 0 4096 3 0 0 0 17 0 0 0 0
/proc/20330/statm: 1746 1476 180 372 0 1371 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 6984

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

[startup+0.400082 s]
/proc/loadavg: 1.91 1.98 1.94 3/400 20330
/proc/meminfo: memFree=30124324/32950904 swapFree=56615552/67111528
[pid=20330] ppid=20328 vsize=8044 CPUtime=0.39 cores=0,2,4,6
/proc/20330/stat : 20330 (wbo1.6) R 20328 20330 19672 0 -1 4202496 1826 0 0 0 39 0 0 0 25 0 1 0 818186141 8237056 1737 33554432000 4194304 5714214 140734132239808 18446744073709551615 4198960 0 0 4096 3 0 0 0 17 0 0 0 0
/proc/20330/statm: 2011 1737 180 372 0 1636 0
Current children cumulated CPU time (s) 0.39
Current children cumulated vsize (KiB) 8044

Child status: 0
Real time (s): 0.407338
CPU time (s): 0.406937
CPU user time (s): 0.397939
CPU system time (s): 0.008998
CPU usage (%): 99.9015
Max. virtual memory (cumulated for all children) (KiB): 8044

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.397939
system time used= 0.008998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1841
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= 3

runsolver used 0.002999 second user time and 0.011998 second system time

The end

Launcher Data 

Begin job on node121 at 2011-06-03 03:51:04
IDJOB=3461007
IDBENCH=1154
IDSOLVER=1953
FILE ID=node121/3461007-1307065864
RUNJOBID= node121-1307065826-20255
PBS_JOBID= 13497865
Free space on /tmp= 73828 MiB

SOLVER NAME= wbo 1.6
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/prestwich/robin/normalized-robin10.opb
COMMAND LINE= wbo1.6 -file-format=opb -time-limit=TIMEOUT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3461007-1307065864/watcher-3461007-1307065864 -o /tmp/evaluation-result-3461007-1307065864/solver-3461007-1307065864 -C 1800 -W 1900 -M 15500  wbo1.6 -file-format=opb -time-limit=1800 HOME/instance-3461007-1307065864.opb

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

MD5SUM BENCH= 93a881e30e7c33fefd66d9521eb49849
RANDOM SEED=1239906645

node121.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		: 2666.817
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	: 5333.63
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		: 2666.817
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	: 5226.07
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		: 2666.817
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	: 5332.84
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		: 2666.817
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	: 5332.77
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		: 2666.817
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	: 5332.82
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		: 2666.817
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		: 2666.817
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		: 2666.817
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	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32950904 kB
MemFree:      30124480 kB
Buffers:        253068 kB
Cached:         362800 kB
SwapCached:       9896 kB
Active:        2221984 kB
Inactive:       347116 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950904 kB
LowFree:      30124480 kB
SwapTotal:    67111528 kB
SwapFree:     56615552 kB
Dirty:            6032 kB
Writeback:           0 kB
AnonPages:     1950204 kB
Mapped:          13788 kB
Slab:           139432 kB
PageTables:      52280 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586980 kB
Committed_AS: 83630876 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= 73824 MiB
End job on node121 at 2011-06-03 03:51:04