Trace number 3374865

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
MPhaseSAT64 2011-05-14 (fixed)SAT 12.937 12.9438

General information on the benchmark

Namerandom/large/
unif-k3-r4.2-v2500-c10500-S882087907-088-UNKNOWN.cnf
MD5SUM3cf1ca6aaef3b8ffa068d087f2b6934e
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark2.16467
Satisfiable
(Un)Satisfiability was proved
Number of variables2500
Number of clauses10500
Sum of the clauses size31500
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 310500
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data

12.89/12.94	c MPhaseSAT64 version 514 by Jingchao Chen,  May 13,2011
12.89/12.94	c input CNF file=HOME/instance-3374865-1305448112.cnf 
12.89/12.94	c Clause#=10500  var#=2500  ratio=4 
12.89/12.94	c phase 1 
12.89/12.94	c height=129 
12.89/12.94	c eliminated 67 out of 2500 variables 
12.89/12.94	c Simplified clause#=10466 
12.89/12.94	c XOR_varElimination deleted var#=0 clauses#=10466 
12.89/12.94	c inative var#=0 
12.89/12.94	c free var#=2425  
12.89/12.94	c local search on 
12.89/12.94	c A solution found by local search 
12.89/12.94	c unfixed var#=75 var#=2500 
12.89/12.94	c verified 
12.89/12.94	c 
12.89/12.94	s SATISFIABLE
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12.89/12.94	v 0
12.89/12.94	c 
12.89/12.94	c  Running time=12.935033 

Verifier Data

OK

Watcher Data

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 961)

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-3374865-1305448112/watcher-3374865-1305448112 -o /tmp/evaluation-result-3374865-1305448112/solver-3374865-1305448112 -C 2400 -W 1300 -M 7680 MPhaseSAT64 HOME/instance-3374865-1305448112.cnf 

running on 2 cores: 4,6

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 2400 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 2430 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1300 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 7864320 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 7915520 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 3.86 3.99 4.22 4/351 23787
/proc/meminfo: memFree=17506208/32951124 swapFree=67082152/67111528
[pid=23787] ppid=23785 vsize=12116 CPUtime=0 cores=4,6
/proc/23787/stat : 23787 (MPhaseSAT64) R 23785 23787 23389 0 -1 4202496 372 0 0 0 0 0 0 0 25 0 1 0 656409152 12406784 313 33554432000 4194304 4479436 140733269227792 18446744073709551615 4213885 0 0 4096 1026 0 0 0 17 4 0 0 0
/proc/23787/statm: 3029 313 266 70 0 149 0

[startup+0.108793 s]
/proc/loadavg: 3.86 3.99 4.22 4/351 23787
/proc/meminfo: memFree=17506208/32951124 swapFree=67082152/67111528
[pid=23787] ppid=23785 vsize=13964 CPUtime=0.1 cores=4,6
/proc/23787/stat : 23787 (MPhaseSAT64) R 23785 23787 23389 0 -1 4202496 1076 0 0 0 10 0 0 0 25 0 1 0 656409152 14299136 707 33554432000 4194304 4479436 140733269227792 18446744073709551615 4451020 0 0 4096 1026 0 0 0 17 4 0 0 0
/proc/23787/statm: 3491 707 318 70 0 611 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 13964

[startup+0.200788 s]
/proc/loadavg: 3.86 3.99 4.22 4/351 23787
/proc/meminfo: memFree=17506208/32951124 swapFree=67082152/67111528
[pid=23787] ppid=23785 vsize=14096 CPUtime=0.19 cores=4,6
/proc/23787/stat : 23787 (MPhaseSAT64) R 23785 23787 23389 0 -1 4202496 1102 0 0 0 19 0 0 0 25 0 1 0 656409152 14434304 733 33554432000 4194304 4479436 140733269227792 18446744073709551615 4450994 0 0 4096 1026 0 0 0 17 4 0 0 0
/proc/23787/statm: 3524 733 318 70 0 644 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 14096

[startup+0.300759 s]
/proc/loadavg: 3.86 3.99 4.22 4/351 23787
/proc/meminfo: memFree=17506208/32951124 swapFree=67082152/67111528
[pid=23787] ppid=23785 vsize=14096 CPUtime=0.29 cores=4,6
/proc/23787/stat : 23787 (MPhaseSAT64) R 23785 23787 23389 0 -1 4202496 1134 0 0 0 29 0 0 0 25 0 1 0 656409152 14434304 765 33554432000 4194304 4479436 140733269227792 18446744073709551615 4450999 0 0 4096 1026 0 0 0 17 4 0 0 0
/proc/23787/statm: 3524 765 318 70 0 644 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 14096

[startup+0.700688 s]
/proc/loadavg: 3.86 3.99 4.22 4/351 23787
/proc/meminfo: memFree=17506208/32951124 swapFree=67082152/67111528
[pid=23787] ppid=23785 vsize=15024 CPUtime=0.69 cores=4,6
/proc/23787/stat : 23787 (MPhaseSAT64) R 23785 23787 23389 0 -1 4202496 1334 0 0 0 69 0 0 0 25 0 1 0 656409152 15384576 965 33554432000 4194304 4479436 140733269227792 18446744073709551615 4452303 0 0 4096 1026 0 0 0 17 4 0 0 0
/proc/23787/statm: 3756 965 318 70 0 876 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 15024

[startup+1.50056 s]
/proc/loadavg: 3.86 3.99 4.22 5/352 23788
/proc/meminfo: memFree=17498820/32951124 swapFree=67082152/67111528
[pid=23787] ppid=23785 vsize=16072 CPUtime=1.49 cores=4,6
/proc/23787/stat : 23787 (MPhaseSAT64) R 23785 23787 23389 0 -1 4202496 1596 0 0 0 149 0 0 0 25 0 1 0 656409152 16457728 1227 33554432000 4194304 4479436 140733269227792 18446744073709551615 4452315 0 0 4096 1026 0 0 0 17 4 0 0 0
/proc/23787/statm: 4018 1227 318 70 0 1138 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 16072

[startup+3.10027 s]
/proc/loadavg: 3.86 3.99 4.22 5/352 23788
/proc/meminfo: memFree=17497208/32951124 swapFree=67082152/67111528
[pid=23787] ppid=23785 vsize=17356 CPUtime=3.09 cores=4,6
/proc/23787/stat : 23787 (MPhaseSAT64) R 23785 23787 23389 0 -1 4202496 1981 0 0 0 309 0 0 0 25 0 1 0 656409152 17772544 1548 33554432000 4194304 4479436 140733269227792 18446744073709551615 4453594 0 0 4096 1026 0 0 0 17 4 0 0 0
/proc/23787/statm: 4339 1548 318 70 0 1459 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 17356

[startup+6.30071 s]
/proc/loadavg: 3.87 3.99 4.22 5/352 23788
/proc/meminfo: memFree=17496920/32951124 swapFree=67082152/67111528
[pid=23787] ppid=23785 vsize=17612 CPUtime=6.29 cores=4,6
/proc/23787/stat : 23787 (MPhaseSAT64) R 23785 23787 23389 0 -1 4202496 2109 0 0 0 629 0 0 0 25 0 1 0 656409152 18034688 1612 33554432000 4194304 4479436 140733269227792 18446744073709551615 4307020 0 0 4096 1026 0 0 0 17 4 0 0 0
/proc/23787/statm: 4403 1612 318 70 0 1523 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 17612

[startup+12.7006 s]
/proc/loadavg: 3.88 3.99 4.22 5/352 23788
/proc/meminfo: memFree=17495560/32951124 swapFree=67082152/67111528
[pid=23787] ppid=23785 vsize=17384 CPUtime=12.69 cores=4,6
/proc/23787/stat : 23787 (MPhaseSAT64) R 23785 23787 23389 0 -1 4202496 2770 0 0 0 1269 0 0 0 25 0 1 0 656409152 17801216 1632 33554432000 4194304 4479436 140733269227792 18446744073709551615 4295392 0 0 4096 1026 0 0 0 17 4 0 0 0
/proc/23787/statm: 4346 1632 329 70 0 1466 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 17384

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

[startup+12.8006 s]
/proc/loadavg: 3.88 3.99 4.22 5/352 23788
/proc/meminfo: memFree=17495560/32951124 swapFree=67082152/67111528
[pid=23787] ppid=23785 vsize=17384 CPUtime=12.79 cores=4,6
/proc/23787/stat : 23787 (MPhaseSAT64) R 23785 23787 23389 0 -1 4202496 2770 0 0 0 1279 0 0 0 25 0 1 0 656409152 17801216 1632 33554432000 4194304 4479436 140733269227792 18446744073709551615 4295092 0 0 4096 1026 0 0 0 17 4 0 0 0
/proc/23787/statm: 4346 1632 329 70 0 1466 0
Current children cumulated CPU time (s) 12.79
Current children cumulated vsize (KiB) 17384

[startup+12.9006 s]
/proc/loadavg: 3.88 3.99 4.22 5/352 23788
/proc/meminfo: memFree=17495560/32951124 swapFree=67082152/67111528
[pid=23787] ppid=23785 vsize=17384 CPUtime=12.89 cores=4,6
/proc/23787/stat : 23787 (MPhaseSAT64) R 23785 23787 23389 0 -1 4202496 2770 0 0 0 1289 0 0 0 25 0 1 0 656409152 17801216 1632 33554432000 4194304 4479436 140733269227792 18446744073709551615 4295887 0 0 4096 1026 0 0 0 17 4 0 0 0
/proc/23787/statm: 4346 1632 329 70 0 1466 0
Current children cumulated CPU time (s) 12.89
Current children cumulated vsize (KiB) 17384

Child status: 10
Real time (s): 12.9438
CPU time (s): 12.937
CPU user time (s): 12.935
CPU system time (s): 0.001999
CPU usage (%): 99.9475
Max. virtual memory (cumulated for all children) (KiB): 17612

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 12.935
system time used= 0.001999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2779
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= 5
involuntary context switches= 159

runsolver used 0.046992 second user time and 0.097985 second system time

The end

Launcher Data

Begin job on node136 at 2011-05-15 10:28:32
IDJOB=3374865
IDBENCH=82574
IDSOLVER=1855
FILE ID=node136/3374865-1305448112
RUNJOBID= node136-1305446809-23571
PBS_JOBID= 13324854
Free space on /tmp= 73060 MiB

SOLVER NAME= MPhaseSAT64 2011-05-14 (fixed)
BENCH NAME= SAT11/random/large/unif-k3-r4.2-v2500-c10500-S882087907-088-UNKNOWN.cnf
COMMAND LINE= MPhaseSAT64 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3374865-1305448112/watcher-3374865-1305448112 -o /tmp/evaluation-result-3374865-1305448112/solver-3374865-1305448112 -C 2400 -W 1300 -M 7680  MPhaseSAT64 HOME/instance-3374865-1305448112.cnf

TIME LIMIT= 2400 seconds
MEMORY LIMIT= 7680 MiB
NBCORE= 2

MD5SUM BENCH= 3cf1ca6aaef3b8ffa068d087f2b6934e
RANDOM SEED=2065300139

node136.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		: 2666.809
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	: 5333.61
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		: 2666.809
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		: 2666.809
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		: 2666.809
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	: 5332.76
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		: 2666.809
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		: 2666.809
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		: 2666.809
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		: 2666.809
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:     32951124 kB
MemFree:      17506364 kB
Buffers:        306268 kB
Cached:        5655336 kB
SwapCached:       2740 kB
Active:       10586276 kB
Inactive:      4519052 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      17506364 kB
SwapTotal:    67111528 kB
SwapFree:     67082152 kB
Dirty:            1212 kB
Writeback:           0 kB
AnonPages:     9141992 kB
Mapped:          28288 kB
Slab:           235020 kB
PageTables:      39572 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS: 69955600 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= 73060 MiB
End job on node136 at 2011-05-15 10:28:45