Trace number 3260730

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 2.09068 2.0925

General information on the benchmark

Namecrafted/skvortsov/
automata-synchronization/rnd_100_27_s.cnf
MD5SUM5d70a835e78bdc6fb258373ec795225f
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark2.09068
Satisfiable
(Un)Satisfiability was proved
Number of variables2754
Number of clauses10377
Sum of the clauses size25954
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 25177
Number of clauses of size 35200
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data

1.99/2.09	c MPhaseSAT version 401 by Jingchao Chen,  April 1, 2011
1.99/2.09	c input CNF file=HOME/instance-3260730-1303539685.cnf 
1.99/2.09	c Clause#=10377  var#=2754  ratio=3 
1.99/2.09	c phase 1 
1.99/2.09	c verified 
1.99/2.09	c 
1.99/2.09	s SATISFIABLE
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1.99/2.09	v 0
1.99/2.09	c 
1.99/2.09	c  Running time=2.089682 

Verifier Data

OK

Watcher Data

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 935)

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-3260730-1303539685/watcher-3260730-1303539685 -o /tmp/evaluation-result-3260730-1303539685/solver-3260730-1303539685 -C 2400 -W 1300 -M 7680 MPhaseSAT HOME/instance-3260730-1303539685.cnf 

running on 2 cores: 1,3

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: 0.00 0.00 0.00 3/184 10400
/proc/meminfo: memFree=14498372/32951124 swapFree=67111524/67111528
[pid=10400] ppid=10398 vsize=3284 CPUtime=0 cores=1,3
/proc/10400/stat : 10400 (MPhaseSAT) R 10398 10400 10350 0 -1 4202496 332 0 0 0 0 0 0 0 23 0 1 0 465566462 3362816 274 33554432000 134512640 134731564 4291658256 18446744073709551615 4294960144 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/10400/statm: 821 274 225 54 0 131 0

[startup+0.0939629 s]
/proc/loadavg: 0.00 0.00 0.00 3/184 10400
/proc/meminfo: memFree=14498372/32951124 swapFree=67111524/67111528
[pid=10400] ppid=10398 vsize=4988 CPUtime=0.09 cores=1,3
/proc/10400/stat : 10400 (MPhaseSAT) R 10398 10400 10350 0 -1 4202496 937 0 0 0 9 0 0 0 23 0 1 0 465566462 5107712 793 33554432000 134512640 134731564 4291658256 18446744073709551615 134659293 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/10400/statm: 1247 793 265 54 0 557 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4988

[startup+0.100961 s]
/proc/loadavg: 0.00 0.00 0.00 3/184 10400
/proc/meminfo: memFree=14498372/32951124 swapFree=67111524/67111528
[pid=10400] ppid=10398 vsize=4988 CPUtime=0.09 cores=1,3
/proc/10400/stat : 10400 (MPhaseSAT) R 10398 10400 10350 0 -1 4202496 937 0 0 0 9 0 0 0 23 0 1 0 465566462 5107712 793 33554432000 134512640 134731564 4291658256 18446744073709551615 134720344 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/10400/statm: 1247 793 265 54 0 557 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4988

[startup+0.300924 s]
/proc/loadavg: 0.00 0.00 0.00 3/184 10400
/proc/meminfo: memFree=14498372/32951124 swapFree=67111524/67111528
[pid=10400] ppid=10398 vsize=4988 CPUtime=0.29 cores=1,3
/proc/10400/stat : 10400 (MPhaseSAT) R 10398 10400 10350 0 -1 4202496 937 0 0 0 29 0 0 0 25 0 1 0 465566462 5107712 793 33554432000 134512640 134731564 4291658256 18446744073709551615 134719994 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/10400/statm: 1247 793 265 54 0 557 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4988

[startup+0.700854 s]
/proc/loadavg: 0.00 0.00 0.00 3/184 10400
/proc/meminfo: memFree=14498372/32951124 swapFree=67111524/67111528
[pid=10400] ppid=10398 vsize=5336 CPUtime=0.69 cores=1,3
/proc/10400/stat : 10400 (MPhaseSAT) R 10398 10400 10350 0 -1 4202496 1019 0 0 0 69 0 0 0 25 0 1 0 465566462 5464064 874 33554432000 134512640 134731564 4291658256 18446744073709551615 134659523 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/10400/statm: 1334 874 271 54 0 644 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5336

[startup+1.50071 s]
/proc/loadavg: 0.00 0.00 0.00 5/190 10411
/proc/meminfo: memFree=14489084/32951124 swapFree=67111524/67111528
[pid=10400] ppid=10398 vsize=5576 CPUtime=1.49 cores=1,3
/proc/10400/stat : 10400 (MPhaseSAT) R 10398 10400 10350 0 -1 4202496 1079 0 0 0 149 0 0 0 25 0 1 0 465566462 5709824 934 33554432000 134512640 134731564 4291658256 18446744073709551615 134723260 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/10400/statm: 1394 934 271 54 0 704 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5576

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

[startup+1.90065 s]
/proc/loadavg: 0.00 0.00 0.00 5/190 10411
/proc/meminfo: memFree=14489084/32951124 swapFree=67111524/67111528
[pid=10400] ppid=10398 vsize=5704 CPUtime=1.89 cores=1,3
/proc/10400/stat : 10400 (MPhaseSAT) R 10398 10400 10350 0 -1 4202496 1108 0 0 0 189 0 0 0 25 0 1 0 465566462 5840896 963 33554432000 134512640 134731564 4291658256 18446744073709551615 134621039 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/10400/statm: 1426 963 271 54 0 736 0
Current children cumulated CPU time (s) 1.89
Current children cumulated vsize (KiB) 5704

[startup+2.00062 s]
/proc/loadavg: 0.00 0.00 0.00 5/190 10411
/proc/meminfo: memFree=14489084/32951124 swapFree=67111524/67111528
[pid=10400] ppid=10398 vsize=5704 CPUtime=1.99 cores=1,3
/proc/10400/stat : 10400 (MPhaseSAT) R 10398 10400 10350 0 -1 4202496 1111 0 0 0 199 0 0 0 25 0 1 0 465566462 5840896 966 33554432000 134512640 134731564 4291658256 18446744073709551615 134723650 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/10400/statm: 1426 966 271 54 0 736 0
Current children cumulated CPU time (s) 1.99
Current children cumulated vsize (KiB) 5704

Child status: 10
Real time (s): 2.0925
CPU time (s): 2.09068
CPU user time (s): 2.08868
CPU system time (s): 0.001999
CPU usage (%): 99.9128
Max. virtual memory (cumulated for all children) (KiB): 5704

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.08868
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= 1149
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= 6
involuntary context switches= 16

runsolver used 0.006998 second user time and 0.010998 second system time

The end

Launcher Data

Begin job on node136 at 2011-04-23 08:21:25
IDJOB=3260730
IDBENCH=83195
IDSOLVER=1520
FILE ID=node136/3260730-1303539685
RUNJOBID= node136-1303539682-10370
PBS_JOBID= 13143102
Free space on /tmp= 71640 MiB

SOLVER NAME= MPhaseSAT 2011-02-15
BENCH NAME= SAT11/crafted/skvortsov/automata-synchronization/rnd_100_27_s.cnf
COMMAND LINE= MPhaseSAT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3260730-1303539685/watcher-3260730-1303539685 -o /tmp/evaluation-result-3260730-1303539685/solver-3260730-1303539685 -C 2400 -W 1300 -M 7680  MPhaseSAT HOME/instance-3260730-1303539685.cnf

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

MD5SUM BENCH= 5d70a835e78bdc6fb258373ec795225f
RANDOM SEED=1564588163

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:      14498652 kB
Buffers:       1698044 kB
Cached:       16119728 kB
SwapCached:          4 kB
Active:        9398636 kB
Inactive:      8490444 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      14498652 kB
SwapTotal:    67111528 kB
SwapFree:     67111524 kB
Dirty:             880 kB
Writeback:           0 kB
AnonPages:       70216 kB
Mapped:          15692 kB
Slab:           499680 kB
PageTables:       5264 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   237200 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= 71640 MiB
End job on node136 at 2011-04-23 08:21:27