Trace number 2689839

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 0.046992 0.047932

General information on the benchmark

Name/SOFT-SMALLINT-LIN/PB06/web/uclid_pb_benchmarks/
normalized-blast-tlan2.ucl--soft-0-100-0.wbo
MD5SUM8cd432ce35ac43809c1c027beb7ff72a
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 benchmark0.046992
Max-Satisfiable
Max-(Un)Satisfiability was proved
Best value of the cost
Optimality of the best cost was proved
Number of variables2221
Total number of constraints3050
Number of soft constraints3050
Number of constraints which are clauses2330
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints720
Minimum length of a constraint1
Maximum length of a constraint19
Top cost 154947
Min constraint cost 1
Max constraint cost 100
Sum of constraints costs 154946
Biggest number in a constraint 641
Number of bits of the biggest number in a constraint 10
Biggest sum of numbers in a constraint 2174
Number of bits of the biggest sum of numbers12
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-2689839-1277931873.wbo.
0.00/0.00	c Instance file HOME/instance-2689839-1277931873.wbo
0.00/0.00	c File size is 215859 bytes.
0.00/0.01	c Highest Coefficient sum: 2174
0.00/0.01	c ============================[ Problem Statistics ]=============================
0.00/0.01	c |                                                                             |
0.00/0.01	c |  Parsing time:          0.02         s                                      |
0.00/0.01	c |  Number Variables:      2221                                                |
0.00/0.01	c |  Number Clauses:        2330                                                |
0.00/0.01	c |  Number Cardinality:    0                                                   |
0.00/0.01	c |  Number PB Constraints: 720                                                 |
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 |    1861     3050    15895 |     5000        0    nan |  0.000 % |
0.00/0.01	c |       101 |    1861     3050    15895 |     5500      101     16 | 16.209 % |
0.00/0.02	c |       251 |    1861     3050    15895 |     6050      251     17 | 16.209 % |
0.02/0.03	c |       477 |    1834     3050    15895 |     6655      118     18 | 17.920 % |
0.02/0.03	c ===============================================================================
0.02/0.04	c core #1
0.02/0.04	c ============================[ Search Statistics ]==============================
0.02/0.04	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.02/0.04	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.02/0.04	c ===============================================================================
0.02/0.04	c |         0 |    2249     3156    19299 |     5000        0    nan |  0.000 % |
0.02/0.04	c |       100 |    2249     3156    19299 |     5500      100     17 |  1.273 % |
0.02/0.04	c ===============================================================================
0.02/0.04	c #cores: 1
0.02/0.04	c Final Weight: 1
0.02/0.04	o 1
0.02/0.04	s OPTIMUM FOUND
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0.02/0.04	c Total CPU time: 0.045993 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-2689839-1277931873/watcher-2689839-1277931873 -o /tmp/evaluation-result-2689839-1277931873/solver-2689839-1277931873 -C 1800 -W 2000 -M 3800 wbo1.4a -file-format=wbo -time-limit=1800 HOME/instance-2689839-1277931873.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: 2.00 2.00 2.00 3/178 16567
/proc/meminfo: memFree=30021764/32951124 swapFree=67111528/67111528
[pid=16567] ppid=16565 vsize=3052 CPUtime=0
/proc/16567/stat : 16567 (wbo1.4a) R 16565 16567 16271 0 -1 4202496 362 0 0 0 0 0 0 0 24 0 1 0 134482704 3125248 281 4089446400 134512640 135751879 4291259536 18446744073709551615 134564342 0 0 4096 3 0 0 0 17 5 0 0 0
/proc/16567/statm: 763 281 150 303 0 405 0

[startup+0.0262831 s]
/proc/loadavg: 2.00 2.00 2.00 3/178 16567
/proc/meminfo: memFree=30021764/32951124 swapFree=67111528/67111528
[pid=16567] ppid=16565 vsize=3412 CPUtime=0.02
/proc/16567/stat : 16567 (wbo1.4a) R 16565 16567 16271 0 -1 4202496 559 0 0 0 2 0 0 0 18 0 1 0 134482704 3493888 425 4089446400 134512640 135751879 4291259536 18446744073709551615 135270609 0 0 4096 3 0 0 0 17 5 0 0 0
/proc/16567/statm: 853 425 143 303 0 548 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 3412

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

[startup+0.0262831 s]
/proc/loadavg: 2.00 2.00 2.00 3/178 16567
/proc/meminfo: memFree=30021764/32951124 swapFree=67111528/67111528
[pid=16567] ppid=16565 vsize=3412 CPUtime=0.02
/proc/16567/stat : 16567 (wbo1.4a) R 16565 16567 16271 0 -1 4202496 559 0 0 0 2 0 0 0 18 0 1 0 134482704 3493888 425 4089446400 134512640 135751879 4291259536 18446744073709551615 135270609 0 0 4096 3 0 0 0 17 5 0 0 0
/proc/16567/statm: 853 425 143 303 0 548 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 3412

Child status: 0
Real time (s): 0.047932
CPU time (s): 0.046992
CPU user time (s): 0.045993
CPU system time (s): 0.000999
CPU usage (%): 98.0389
Max. virtual memory (cumulated for all children) (KiB): 3412

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.045993
system time used= 0.000999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 777
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 0.002999 second user time and 0.005999 second system time

The end

Launcher Data 

Begin job on node137 at 2010-06-30 23:04:33
IDJOB=2689839
IDBENCH=79328
IDSOLVER=1200
FILE ID=node137/2689839-1277931873
PBS_JOBID= 11197430
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-blast-tlan2.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-2689839-1277931873/watcher-2689839-1277931873 -o /tmp/evaluation-result-2689839-1277931873/solver-2689839-1277931873 -C 1800 -W 2000 -M 3800  wbo1.4a -file-format=wbo -time-limit=1800 HOME/instance-2689839-1277931873.wbo

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

MD5SUM BENCH= 8cd432ce35ac43809c1c027beb7ff72a
RANDOM SEED=676163804

node137.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		: 2666.876
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	: 5333.75
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		: 2666.876
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	: 5332.75
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		: 2666.876
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	: 5332.74
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		: 2666.876
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		: 2666.876
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	: 5332.75
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		: 2666.876
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	: 5332.83
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		: 2666.876
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	: 5332.74
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		: 2666.876
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	: 5332.82
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      30022416 kB
Buffers:        219432 kB
Cached:        1263940 kB
SwapCached:          0 kB
Active:        1845736 kB
Inactive:       935356 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      30022416 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:            2764 kB
Writeback:           0 kB
AnonPages:     1297180 kB
Mapped:          14864 kB
Slab:            81092 kB
PageTables:       7228 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:  1443200 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 node137 at 2010-06-30 23:04:33