Trace number 3730472

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
PB07: bsolo 3.0.17SAT 0.042992 0.0454041

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/
FPGA_SAT05/normalized-fpga25_24_sat_pb.cnf.cr.opb
MD5SUM7b1cf6104f891053895193aa96c054c6
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 benchmark0.026995
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables900
Total number of constraints673
Number of constraints which are clauses624
Number of constraints which are cardinality constraints (but not clauses)49
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 bsolo beta version 3.0.17 - 27/04/2007 : 1600 GMT
0.00/0.00	c Developed by Vasco Manquinho IST/UTL - INESC-ID
0.00/0.00	c type "bsolo -h" for help
0.00/0.00	c Time Limit set via environment variable PBTIMEOUT to 1800
0.00/0.00	c Memory Limit set to 15500 MB
0.00/0.00	c Instance file HOME/instance-3730472-1338680958.opb
0.00/0.00	c File size is 79037 bytes.
0.00/0.01	c Highest Coefficient sum: 26
0.00/0.01	c Parsing was ok!!
0.00/0.01	c Total parsing time: 0.007 s
0.00/0.01	c Var: 900 Constr: 673 624/49/0 Lit: 9300 Watch. Lit: 2148
0.00/0.01	c Obj. Vars: 0 (0 % of total variables)
0.01/0.02	c Pre-processing Time: 0.019 s
0.01/0.02	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.01/0.02	c        0    900      673     9300   13     2148    5959      0      0 0.02
0.01/0.02	c Switching off LPR mode.
0.01/0.04	c      104    900      777    23824   30     2356    6555    104   3999 0.03
0.01/0.04	c      254    900      927    46952   50     2656    7211    254   6864 0.04
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-x499 -x527 -x207 -x530 -x531 -x216 -x8 -x302 -x308 -x303 -x109 -x534 -x25 -x123 -x305 -x533 x125 -x20 -x118 -x203 -x310 -x213 -x548 -x101 -x214 -x9 -x319 -x318 -x543 -x110 -x544 -x102 -x103 -x104 -x117 -x120 -x314 -x535 -x13 -x17 -x304 -x312 -x317 -x212 -x204 
0.01/0.04	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
0.01/0.04	c    2      323    114     2566      996    52336    323   7878 0.04
0.01/0.04	s SATISFIABLE
0.01/0.04	c Total time: 0.041 s

Verifier Data 

OK	0

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 /tmp/evaluation-result-3730472-1338680958/watcher-3730472-1338680958 -o /tmp/evaluation-result-3730472-1338680958/solver-3730472-1338680958 -C 1800 -W 1900 -M 15500 bsolo3.0.17 -m15500 HOME/instance-3730472-1338680958.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: 2.04 2.03 1.86 3/174 26092
/proc/meminfo: memFree=27917516/32873852 swapFree=7624/7624
[pid=26092] ppid=26090 vsize=4768 CPUtime=0 cores=0,2,4,6
/proc/26092/stat : 26092 (bsolo3.0.17) R 26090 26092 25229 0 -1 4202496 466 0 0 0 0 0 0 0 20 0 1 0 334221223 4882432 402 33554432000 134512640 135840783 4292456944 4292455504 11867431 0 0 4096 16384 0 0 0 17 4 0 0 0 0 0
/proc/26092/statm: 1192 402 328 325 0 108 0

[startup+0.023188 s]
/proc/loadavg: 2.04 2.03 1.86 3/174 26092
/proc/meminfo: memFree=27917516/32873852 swapFree=7624/7624
[pid=26092] ppid=26090 vsize=5084 CPUtime=0.01 cores=0,2,4,6
/proc/26092/stat : 26092 (bsolo3.0.17) R 26090 26092 25229 0 -1 4202496 608 0 0 0 1 0 0 0 20 0 1 0 334221223 5206016 524 33554432000 134512640 135840783 4292456944 4292444108 2548784 0 0 4096 16384 0 0 0 17 4 0 0 0 0 0
/proc/26092/statm: 1271 524 344 325 0 207 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 5084

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

[startup+0.023188 s]
/proc/loadavg: 2.04 2.03 1.86 3/174 26092
/proc/meminfo: memFree=27917516/32873852 swapFree=7624/7624
[pid=26092] ppid=26090 vsize=5084 CPUtime=0.01 cores=0,2,4,6
/proc/26092/stat : 26092 (bsolo3.0.17) R 26090 26092 25229 0 -1 4202496 608 0 0 0 1 0 0 0 20 0 1 0 334221223 5206016 524 33554432000 134512640 135840783 4292456944 4292444108 2548784 0 0 4096 16384 0 0 0 17 4 0 0 0 0 0
/proc/26092/statm: 1271 524 344 325 0 207 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 5084

Child status: 0
Real time (s): 0.0454041
CPU time (s): 0.042992
CPU user time (s): 0.039993
CPU system time (s): 0.002999
CPU usage (%): 94.6875
Max. virtual memory (cumulated for all children) (KiB): 5084

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.039993
system time used= 0.002999
maximum resident set size= 2544
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 722
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= 7
involuntary context switches= 2

runsolver used 0.001999 second user time and 0.003999 second system time

The end

Launcher Data 

Begin job on node131 at 2012-06-03 01:49:18
IDJOB=3730472
IDBENCH=1429
IDSOLVER=2318
FILE ID=node131/3730472-1338680958
RUNJOBID= node131-1338678620-25248
PBS_JOBID= 14636682
Free space on /tmp= 71396 MiB

SOLVER NAME= PB07: bsolo 3.0.17
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/FPGA_SAT05/normalized-fpga25_24_sat_pb.cnf.cr.opb
COMMAND LINE= bsolo3.0.17 -mMEMLIMIT BENCHNAME            
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3730472-1338680958/watcher-3730472-1338680958 -o /tmp/evaluation-result-3730472-1338680958/solver-3730472-1338680958 -C 1800 -W 1900 -M 15500  bsolo3.0.17 -m15500 HOME/instance-3730472-1338680958.opb            

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

MD5SUM BENCH= 7b1cf6104f891053895193aa96c054c6
RANDOM SEED=3132280

node131.alineos.net Linux 2.6.32-71.29.1.el6.x86_64 #1 SMP Mon Jun 27 19:49:27 BST 2011

/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		: 2666.805
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 0
initial apicid	: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5333.61
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.805
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 16
initial apicid	: 16
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.805
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 2
initial apicid	: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.805
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 18
initial apicid	: 18
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 4
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.805
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 4
initial apicid	: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 5
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.805
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 20
initial apicid	: 20
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 6
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.805
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 6
initial apicid	: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.92
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.805
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 22
initial apicid	: 22
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.92
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:       32873852 kB
MemFree:        27917764 kB
Buffers:          544024 kB
Cached:          3032964 kB
SwapCached:         2348 kB
Active:          1903008 kB
Inactive:        2188620 kB
Active(anon):     510324 kB
Inactive(anon):     3676 kB
Active(file):    1392684 kB
Inactive(file):  2184944 kB
Unevictable:        7624 kB
Mlocked:            7624 kB
SwapTotal:      67108856 kB
SwapFree:       67099088 kB
Dirty:              6224 kB
Writeback:             0 kB
AnonPages:        531268 kB
Mapped:            15912 kB
Shmem:                 0 kB
Slab:             719860 kB
SReclaimable:     162348 kB
SUnreclaim:       557512 kB
KernelStack:        1464 kB
PageTables:         4776 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545780 kB
Committed_AS:     637012 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346360 kB
VmallocChunk:   34341988004 kB
HardwareCorrupted:     0 kB
AnonHugePages:    239616 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:        7872 kB
DirectMap2M:    33538048 kB

Free space on /tmp at the end= 71392 MiB
End job on node131 at 2012-06-03 01:49:18