Trace number 3095125

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 2011-03-03SAT 6.36803 6.37031

General information on the benchmark

Namerandom/medium/
unif-k7-r89-v80-c7120-S513640009-027.SATISFIABLE.cnf
MD5SUMd2636969180cffb7d603387033287fe1
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.17082
Satisfiable
(Un)Satisfiability was proved
Number of variables80
Number of clauses7120
Sum of the clauses size49840
Maximum clause length7
Minimum clause length7
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 57120

Solver Data 

6.29/6.36	c MPhaseSAT64 version 402 by Jingchao Chen,  April 1,2011
6.29/6.36	c input CNF file=HOME/instance-3095125-1301758216.cnf 
6.29/6.36	c Clause#=7120  var#=80  ratio=89 
6.29/6.36	c Simplified clause#=7120 
6.29/6.36	c XOR_varElimination deleted var#=0 clauses#=7120 
6.29/6.36	c inative var#=0 
6.29/6.36	c free var#=80  
6.29/6.36	c local search on 
6.29/6.36	c A solution found by local search 
6.29/6.36	c unfixed var#=0 var#=80 
6.29/6.36	c verified 
6.29/6.36	c 
6.29/6.36	s SATISFIABLE
6.29/6.36	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 
6.29/6.36	v 0
6.29/6.36	c 
6.29/6.36	c  Running time=6.367032

Verifier Data 

OK

Watcher Data 

runsolver Copyright (C) 2010 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 893)

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-3095125-1301758216/watcher-3095125-1301758216 -o /tmp/evaluation-result-3095125-1301758216/solver-3095125-1301758216 -C 2400 -W 1300 -M 7680 MPhaseSAT64 HOME/instance-3095125-1301758216.cnf 

running on 2 cores: 0,2

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: 4.01 4.03 3.93 4/193 19501
/proc/meminfo: memFree=20951628/32951124 swapFree=67111528/67111528
[pid=19501] ppid=19499 vsize=3236 CPUtime=0 cores=0,2
/proc/19501/stat : 19501 (MPhaseSAT64) R 19499 19501 19189 0 -1 4202496 338 0 0 0 0 0 0 0 25 0 1 0 287419512 3313664 277 33554432000 134512640 134761588 4291077296 18446744073709551615 4294960144 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/19501/statm: 809 277 225 61 0 112 0

[startup+0.0879581 s]
/proc/loadavg: 4.01 4.03 3.93 4/193 19501
/proc/meminfo: memFree=20951628/32951124 swapFree=67111528/67111528
[pid=19501] ppid=19499 vsize=4968 CPUtime=0.08 cores=0,2
/proc/19501/stat : 19501 (MPhaseSAT64) R 19499 19501 19189 0 -1 4202496 904 0 0 0 8 0 0 0 25 0 1 0 287419512 5087232 793 33554432000 134512640 134761588 4291077296 18446744073709551615 134644716 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/19501/statm: 1242 793 259 61 0 545 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 4968

[startup+0.100955 s]
/proc/loadavg: 4.01 4.03 3.93 4/193 19501
/proc/meminfo: memFree=20951628/32951124 swapFree=67111528/67111528
[pid=19501] ppid=19499 vsize=4968 CPUtime=0.09 cores=0,2
/proc/19501/stat : 19501 (MPhaseSAT64) R 19499 19501 19189 0 -1 4202496 904 0 0 0 9 0 0 0 25 0 1 0 287419512 5087232 793 33554432000 134512640 134761588 4291077296 18446744073709551615 134643576 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/19501/statm: 1242 793 259 61 0 545 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4968

[startup+0.300925 s]
/proc/loadavg: 4.01 4.03 3.93 4/193 19501
/proc/meminfo: memFree=20951628/32951124 swapFree=67111528/67111528
[pid=19501] ppid=19499 vsize=5480 CPUtime=0.29 cores=0,2
/proc/19501/stat : 19501 (MPhaseSAT64) R 19499 19501 19189 0 -1 4202496 1034 0 0 0 29 0 0 0 25 0 1 0 287419512 5611520 923 33554432000 134512640 134761588 4291077296 18446744073709551615 134618386 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/19501/statm: 1370 923 261 61 0 673 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5480

[startup+0.70085 s]
/proc/loadavg: 4.01 4.03 3.93 4/193 19501
/proc/meminfo: memFree=20951628/32951124 swapFree=67111528/67111528
[pid=19501] ppid=19499 vsize=5124 CPUtime=0.69 cores=0,2
/proc/19501/stat : 19501 (MPhaseSAT64) R 19499 19501 19189 0 -1 4202496 1086 0 0 0 69 0 0 0 25 0 1 0 287419512 5246976 847 33554432000 134512640 134761588 4291077296 18446744073709551615 134747199 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/19501/statm: 1281 847 274 61 0 584 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5124

[startup+1.50069 s]
/proc/loadavg: 4.01 4.03 3.93 5/194 19502
/proc/meminfo: memFree=20947908/32951124 swapFree=67111528/67111528
[pid=19501] ppid=19499 vsize=6412 CPUtime=1.49 cores=0,2
/proc/19501/stat : 19501 (MPhaseSAT64) R 19499 19501 19189 0 -1 4202496 1411 0 0 0 149 0 0 0 25 0 1 0 287419512 6565888 1172 33554432000 134512640 134761588 4291077296 18446744073709551615 134606142 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/19501/statm: 1603 1172 277 61 0 906 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 6412

[startup+3.10037 s]
/proc/loadavg: 4.01 4.03 3.93 5/194 19502
/proc/meminfo: memFree=20947164/32951124 swapFree=67111528/67111528
[pid=19501] ppid=19499 vsize=6412 CPUtime=3.09 cores=0,2
/proc/19501/stat : 19501 (MPhaseSAT64) R 19499 19501 19189 0 -1 4202496 1411 0 0 0 309 0 0 0 25 0 1 0 287419512 6565888 1172 33554432000 134512640 134761588 4291077296 18446744073709551615 134605948 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/19501/statm: 1603 1172 277 61 0 906 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 6412

[startup+6.3008 s]
/proc/loadavg: 4.09 4.04 3.93 5/194 19502
/proc/meminfo: memFree=20945408/32951124 swapFree=67111528/67111528
[pid=19501] ppid=19499 vsize=6412 CPUtime=6.29 cores=0,2
/proc/19501/stat : 19501 (MPhaseSAT64) R 19499 19501 19189 0 -1 4202496 1411 0 0 0 629 0 0 0 25 0 1 0 287419512 6565888 1172 33554432000 134512640 134761588 4291077296 18446744073709551615 134605482 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/19501/statm: 1603 1172 277 61 0 906 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 6412

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

Child status: 10
Real time (s): 6.37031
CPU time (s): 6.36803
CPU user time (s): 6.36503
CPU system time (s): 0.002999
CPU usage (%): 99.9642
Max. virtual memory (cumulated for all children) (KiB): 6412

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 6.36503
system time used= 0.002999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1420
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= 17

runsolver used 0.008998 second user time and 0.022996 second system time

The end

Launcher Data 

Begin job on node135 at 2011-04-02 17:30:16
IDJOB=3095125
IDBENCH=83007
IDSOLVER=1521
FILE ID=node135/3095125-1301758216
RUNJOBID= node135-1301756913-19207
PBS_JOBID= 12841067
Free space on /tmp= 71880 MiB

SOLVER NAME= MPhaseSAT64 2011-03-03
BENCH NAME= SAT11/random/medium/unif-k7-r89-v80-c7120-S513640009-027.SATISFIABLE.cnf
COMMAND LINE= MPhaseSAT64 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3095125-1301758216/watcher-3095125-1301758216 -o /tmp/evaluation-result-3095125-1301758216/solver-3095125-1301758216 -C 2400 -W 1300 -M 7680  MPhaseSAT64 HOME/instance-3095125-1301758216.cnf

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

MD5SUM BENCH= d2636969180cffb7d603387033287fe1
RANDOM SEED=97235196

node135.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		: 2666.851
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		: 2666.851
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	: 5332.83
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		: 2666.851
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		: 2666.851
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	: 6640.14
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		: 2666.851
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	: 5332.78
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		: 2666.851
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		: 2666.851
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	: 5332.74
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		: 2666.851
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	: 5332.76
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      20951900 kB
Buffers:        374664 kB
Cached:       11259564 kB
SwapCached:          0 kB
Active:        7968500 kB
Inactive:      3749192 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      20951900 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:             348 kB
Writeback:           0 kB
AnonPages:       83196 kB
Mapped:          17032 kB
Slab:           218240 kB
PageTables:       5072 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   269792 kB
VmallocTotal: 34359738367 kB
VmallocUsed:     33868 kB
VmallocChunk: 34359703231 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 71880 MiB
End job on node135 at 2011-04-02 17:30:23