Trace number 3491000

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
MinisatID 2.5.2 (fixed)SAT 0.724889 0.725159

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/
FPGA_SAT05/normalized-fpga40_40_sat_pb.cnf.cr.opb
MD5SUMd54e874b22823be807136681f90fbed4
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 benchmark0.05799
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables2400
Total number of constraints1720
Number of constraints which are clauses1640
Number of constraints which are cardinality constraints (but not clauses)80
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint20
Maximum length of a constraint40
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 41
Number of bits of the biggest sum of numbers6
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	>>> IMPORTANT: two aggregates with the same head occurred. Assuming that this head is certainly true.
0.69/0.72	s SATISFIABLE
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Verifier Data

OK	0

Watcher Data

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.1 (svn: 988)

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-3491000-1307754553/watcher-3491000-1307754553 -o /tmp/evaluation-result-3491000-1307754553/solver-3491000-1307754553 -C 1800 -W 1900 -M 15500 HOME/minisatid HOME/instance-3491000-1307754553.opb --verbosity=0 --format=opb --randomseed=1720358325 

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: 2.00 2.00 1.93 2/177 17714
/proc/meminfo: memFree=32000656/32951124 swapFree=67055708/67111528
[pid=17714] ppid=17712 vsize=7636 CPUtime=0 cores=1,3,5,7
/proc/17714/stat : 17714 (minisatid) R 17712 17714 17032 0 -1 4202496 409 0 0 0 0 0 0 0 23 0 1 0 619646620 7819264 361 33554432000 4194304 6720400 140736030261216 18446744073709551615 5517842 0 0 4096 17571 0 0 0 17 5 0 0 0
/proc/17714/statm: 1909 361 230 617 0 1283 0

[startup+0.0924849 s]
/proc/loadavg: 2.00 2.00 1.93 2/177 17714
/proc/meminfo: memFree=32000656/32951124 swapFree=67055708/67111528
[pid=17714] ppid=17712 vsize=16632 CPUtime=0.08 cores=1,3,5,7
/proc/17714/stat : 17714 (minisatid) R 17712 17714 17032 0 -1 4202496 2680 0 0 0 8 0 0 0 23 0 1 0 619646620 17031168 2632 33554432000 4194304 6720400 140736030261216 18446744073709551615 4591856 0 0 4096 17571 0 0 0 17 5 0 0 0
/proc/17714/statm: 4158 2632 255 617 0 3532 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 16632

[startup+0.100468 s]
/proc/loadavg: 2.00 2.00 1.93 2/177 17714
/proc/meminfo: memFree=32000656/32951124 swapFree=67055708/67111528
[pid=17714] ppid=17712 vsize=16632 CPUtime=0.09 cores=1,3,5,7
/proc/17714/stat : 17714 (minisatid) R 17712 17714 17032 0 -1 4202496 2697 0 0 0 9 0 0 0 23 0 1 0 619646620 17031168 2649 33554432000 4194304 6720400 140736030261216 18446744073709551615 5518017 0 0 4096 17571 0 0 0 17 5 0 0 0
/proc/17714/statm: 4158 2649 255 617 0 3532 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 16632

[startup+0.300444 s]
/proc/loadavg: 2.00 2.00 1.93 2/177 17714
/proc/meminfo: memFree=32000656/32951124 swapFree=67055708/67111528
[pid=17714] ppid=17712 vsize=16632 CPUtime=0.29 cores=1,3,5,7
/proc/17714/stat : 17714 (minisatid) R 17712 17714 17032 0 -1 4202496 2714 0 0 0 29 0 0 0 25 0 1 0 619646620 17031168 2665 33554432000 4194304 6720400 140736030261216 18446744073709551615 4592336 0 0 4096 17571 0 0 0 17 5 0 0 0
/proc/17714/statm: 4158 2665 262 617 0 3532 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 16632

[startup+0.700363 s]
/proc/loadavg: 2.00 2.00 1.93 2/177 17714
/proc/meminfo: memFree=32000656/32951124 swapFree=67055708/67111528
[pid=17714] ppid=17712 vsize=16632 CPUtime=0.69 cores=1,3,5,7
/proc/17714/stat : 17714 (minisatid) R 17712 17714 17032 0 -1 4202496 2727 0 0 0 69 0 0 0 25 0 1 0 619646620 17031168 2676 33554432000 4194304 6720400 140736030261216 18446744073709551615 4617388 0 0 4096 17571 0 0 0 17 5 0 0 0
/proc/17714/statm: 4158 2676 262 617 0 3532 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 16632

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

Child status: 10
Real time (s): 0.725159
CPU time (s): 0.724889
CPU user time (s): 0.71989
CPU system time (s): 0.004999
CPU usage (%): 99.9628
Max. virtual memory (cumulated for all children) (KiB): 16632

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.71989
system time used= 0.004999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2742
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 0.001999 second user time and 0.003999 second system time

The end

Launcher Data

Begin job on node107 at 2011-06-11 03:09:14
IDJOB=3491000
IDBENCH=1416
IDSOLVER=1980
FILE ID=node107/3491000-1307754553
RUNJOBID= node107-1307750180-17051
PBS_JOBID= 13550853
Free space on /tmp= 74128 MiB

SOLVER NAME= MinisatID 2.5.2 (fixed)
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/FPGA_SAT05/normalized-fpga40_40_sat_pb.cnf.cr.opb
COMMAND LINE= HOME/minisatid BENCHNAME --verbosity=0 --format=opb --randomseed=RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3491000-1307754553/watcher-3491000-1307754553 -o /tmp/evaluation-result-3491000-1307754553/solver-3491000-1307754553 -C 1800 -W 1900 -M 15500  HOME/minisatid HOME/instance-3491000-1307754553.opb --verbosity=0 --format=opb --randomseed=1720358325

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

MD5SUM BENCH= d54e874b22823be807136681f90fbed4
RANDOM SEED=1720358325

node107.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		: 2666.829
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	: 5333.65
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		: 2666.829
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		: 2666.829
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	: 5332.67
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		: 2666.829
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	: 5332.82
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		: 2666.829
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	: 5332.74
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		: 2666.829
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	: 5359.47
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		: 2666.829
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		: 2666.829
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	: 5332.83
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      32001596 kB
Buffers:        125308 kB
Cached:         542036 kB
SwapCached:      19468 kB
Active:         296552 kB
Inactive:       467064 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      32001596 kB
SwapTotal:    67111528 kB
SwapFree:     67055708 kB
Dirty:            3128 kB
Writeback:           0 kB
AnonPages:       94156 kB
Mapped:          13948 kB
Slab:           120968 kB
PageTables:       4776 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   278008 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= 74128 MiB
End job on node107 at 2011-06-11 03:09:14