Trace number 3445689

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
MPhaseSAT 2011-02-15SAT 0.802877 0.80416

General information on the benchmark

Namecrafted/spence/sgen/
sgen3-n120-s12930489-sat.cnf
MD5SUM8ed9a0140bec35e5e912931daa661f80
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.005998
Satisfiable
(Un)Satisfiability was proved
Number of variables120
Number of clauses288
Sum of the clauses size720
Maximum clause length5
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 2240
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 548
Number of clauses of size over 50

Solver Data 

0.79/0.80	c MPhaseSAT version 401 by Jingchao Chen,  April 1, 2011
0.79/0.80	c input CNF file=HOME/instance-3445689-1306973214.cnf 
0.79/0.80	c Clause#=288  var#=120  ratio=2 
0.79/0.80	c Simplified clause#=288 
0.79/0.80	c XOR_varElimination deleted var#=0 clauses#=288 
0.79/0.80	c inative var#=0 
0.79/0.80	c free var#=120  
0.79/0.80	c local search on 
0.79/0.80	c A solution found by local search 
0.79/0.80	c unfixed var#=0 var#=120 
0.79/0.80	c verified 
0.79/0.80	c 
0.79/0.80	s SATISFIABLE
0.79/0.80	v 1 -2 3 -4 -5 6 -7 8 9 -10 -11 -12 13 -14 15 -16 -17 18 -19 -20 21 22 23 24 -25 -26 -27 -28 29 -30 -31 -32 33 -34 35 36 37 38 39 40 -41 -42 -43 44 45 -46 47 48 -49 -50 51 52 53 -54 -55 56 57 58 -59 60 61 62 -63 64 65 -66 -67 -68 69 70 -71 -72 -73 -74 -75 -76 77 78 79 -80 -81 82 -83 84 85 86 87 88 89 90 -91 -92 93 94 -95 -96 -97 98 99 -100 101 102 103 104 105 -106 -107 -108 -109 110 -111 -112 -113 -114 115 116 -117 118 119 -120 
0.79/0.80	v 0
0.79/0.80	c 
0.79/0.80	c  Running time=0.801878

Verifier Data 

OK

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-3445689-1306973214/watcher-3445689-1306973214 -o /tmp/evaluation-result-3445689-1306973214/solver-3445689-1306973214 -C 5000 -W 5100 -M 15500 MPhaseSAT HOME/instance-3445689-1306973214.cnf 

running on 4 cores: 1,3,5,7

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 5100 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: 2.01 2.03 2.30 2/530 15562
/proc/meminfo: memFree=15316160/32951132 swapFree=46579808/67111528
[pid=15562] ppid=15560 vsize=3168 CPUtime=0 cores=1,3,5,7
/proc/15562/stat : 15562 (MPhaseSAT) R 15560 15562 15411 0 -1 4202496 391 0 0 0 0 0 0 0 23 0 1 0 808920005 3244032 332 33554432000 134512640 134731564 4287903824 18446744073709551615 8971772 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/15562/statm: 792 332 268 54 0 102 0

[startup+0.108843 s]
/proc/loadavg: 2.01 2.03 2.30 2/530 15562
/proc/meminfo: memFree=15316160/32951132 swapFree=46579808/67111528
[pid=15562] ppid=15560 vsize=3432 CPUtime=0.1 cores=1,3,5,7
/proc/15562/stat : 15562 (MPhaseSAT) R 15560 15562 15411 0 -1 4202496 484 0 0 0 10 0 0 0 23 0 1 0 808920005 3514368 425 33554432000 134512640 134731564 4287903824 18446744073709551615 134721774 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/15562/statm: 858 425 268 54 0 168 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 3432

[startup+0.200814 s]
/proc/loadavg: 2.01 2.03 2.30 2/530 15562
/proc/meminfo: memFree=15316160/32951132 swapFree=46579808/67111528
[pid=15562] ppid=15560 vsize=3564 CPUtime=0.19 cores=1,3,5,7
/proc/15562/stat : 15562 (MPhaseSAT) R 15560 15562 15411 0 -1 4202496 508 0 0 0 19 0 0 0 23 0 1 0 808920005 3649536 449 33554432000 134512640 134731564 4287903824 18446744073709551615 134659597 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/15562/statm: 891 449 268 54 0 201 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 3564

[startup+0.300798 s]
/proc/loadavg: 2.01 2.03 2.30 2/530 15562
/proc/meminfo: memFree=15316160/32951132 swapFree=46579808/67111528
[pid=15562] ppid=15560 vsize=3696 CPUtime=0.29 cores=1,3,5,7
/proc/15562/stat : 15562 (MPhaseSAT) R 15560 15562 15411 0 -1 4202496 547 0 0 0 29 0 0 0 24 0 1 0 808920005 3784704 488 33554432000 134512640 134731564 4287903824 18446744073709551615 134721042 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/15562/statm: 924 488 268 54 0 234 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3696

[startup+0.700741 s]
/proc/loadavg: 2.01 2.03 2.30 2/530 15562
/proc/meminfo: memFree=15316160/32951132 swapFree=46579808/67111528
[pid=15562] ppid=15560 vsize=3960 CPUtime=0.69 cores=1,3,5,7
/proc/15562/stat : 15562 (MPhaseSAT) R 15560 15562 15411 0 -1 4202496 617 0 0 0 69 0 0 0 25 0 1 0 808920005 4055040 558 33554432000 134512640 134731564 4287903824 18446744073709551615 134715461 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/15562/statm: 990 558 268 54 0 300 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 3960

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

[startup+0.800723 s]
/proc/loadavg: 2.01 2.03 2.30 2/530 15562
/proc/meminfo: memFree=15316160/32951132 swapFree=46579808/67111528
[pid=15562] ppid=15560 vsize=4092 CPUtime=0.79 cores=1,3,5,7
/proc/15562/stat : 15562 (MPhaseSAT) R 15560 15562 15411 0 -1 4202496 622 0 0 0 79 0 0 0 25 0 1 0 808920005 4190208 563 33554432000 134512640 134731564 4287903824 18446744073709551615 134607413 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/15562/statm: 1023 563 271 54 0 333 0
Current children cumulated CPU time (s) 0.79
Current children cumulated vsize (KiB) 4092

Child status: 10
Real time (s): 0.80416
CPU time (s): 0.802877
CPU user time (s): 0.800878
CPU system time (s): 0.001999
CPU usage (%): 99.8405
Max. virtual memory (cumulated for all children) (KiB): 4092

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.800878
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= 631
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= 12
involuntary context switches= 1

runsolver used 0.009998 second user time and 0.009998 second system time

The end

Launcher Data 

Begin job on node128 at 2011-06-02 02:06:54
IDJOB=3445689
IDBENCH=83152
IDSOLVER=1941
FILE ID=node128/3445689-1306973214
RUNJOBID= node128-1306970437-15430
PBS_JOBID= 13497685
Free space on /tmp= 73800 MiB

SOLVER NAME= MPhaseSAT 2011-02-15
BENCH NAME= SAT11/crafted/spence/sgen/sgen3-n120-s12930489-sat.cnf
COMMAND LINE= MPhaseSAT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3445689-1306973214/watcher-3445689-1306973214 -o /tmp/evaluation-result-3445689-1306973214/solver-3445689-1306973214 -C 5000 -W 5100 -M 15500  MPhaseSAT HOME/instance-3445689-1306973214.cnf

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= 8ed9a0140bec35e5e912931daa661f80
RANDOM SEED=420088010

node128.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		: 2666.852
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	: 5333.70
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		: 2666.852
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		: 2666.852
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	: 5332.82
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		: 2666.852
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		: 2666.852
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		: 2666.852
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	: 5332.75
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		: 2666.852
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	: 5332.82
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		: 2666.852
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	: 5434.49
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951132 kB
MemFree:      15316440 kB
Buffers:        298032 kB
Cached:        3422276 kB
SwapCached:      35620 kB
Active:        8828600 kB
Inactive:      8490364 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951132 kB
LowFree:      15316440 kB
SwapTotal:    67111528 kB
SwapFree:     46579808 kB
Dirty:            1760 kB
Writeback:           0 kB
AnonPages:    13572236 kB
Mapped:          18896 kB
Slab:           133288 kB
PageTables:     111992 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587092 kB
Committed_AS: 174809712 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    296000 kB
VmallocChunk: 34359440975 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 73800 MiB
End job on node128 at 2011-06-02 02:06:54