Trace number 3375483

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)UNSAT 1.62675 1.62738

General information on the benchmark

NameSAT05/crafted/sabharwal05/counting/php/unsat/
easier/php-010-008.shuffled-as.sat05-1171.cnf
MD5SUM421970908f111607c59182237109849e
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.029994
Satisfiable
(Un)Satisfiability was proved
Number of variables80
Number of clauses370
Sum of the clauses size800
Maximum clause length8
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 2360
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 510

Solver Data 

1.59/1.62	c MPhaseSAT64 version 514 by Jingchao Chen,  May 13,2011
1.59/1.62	c input CNF file=HOME/instance-3375483-1305462122.cnf 
1.59/1.62	c Clause#=370  var#=80  ratio=4 
1.59/1.62	c Simplified clause#=370 
1.59/1.62	c XOR_varElimination deleted var#=0 clauses#=370 
1.59/1.62	c inative var#=0 
1.59/1.62	c free var#=70  
1.59/1.62	c local search off 
1.59/1.62	c 
1.59/1.62	s UNSATISFIABLE
1.59/1.62	c 
1.59/1.62	c  Running time=1.624753

Verifier Data 

No possible verification on an UNSAT instance

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-3375483-1305462122/watcher-3375483-1305462122 -o /tmp/evaluation-result-3375483-1305462122/solver-3375483-1305462122 -C 2400 -W 1300 -M 7680 MPhaseSAT64 HOME/instance-3375483-1305462122.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: 3.06 3.84 3.93 5/397 9328
/proc/meminfo: memFree=30352452/32950928 swapFree=41934208/67111528
[pid=9328] ppid=9326 vsize=12004 CPUtime=0 cores=1,3
/proc/9328/stat : 9328 (MPhaseSAT64) R 9326 9328 8602 0 -1 4202496 454 0 0 0 0 0 0 0 23 0 1 0 657810850 12292096 394 33554432000 4194304 4479436 140734545729696 18446744073709551615 4451131 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/9328/statm: 3001 394 323 70 0 121 0

[startup+0.0584849 s]
/proc/loadavg: 3.06 3.84 3.93 5/397 9328
/proc/meminfo: memFree=30352452/32950928 swapFree=41934208/67111528
[pid=9328] ppid=9326 vsize=12608 CPUtime=0.05 cores=1,3
/proc/9328/stat : 9328 (MPhaseSAT64) R 9326 9328 8602 0 -1 4202496 623 0 0 0 5 0 0 0 23 0 1 0 657810850 12910592 563 33554432000 4194304 4479436 140734545729696 18446744073709551615 4450905 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/9328/statm: 3152 563 325 70 0 272 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 12608

[startup+0.100511 s]
/proc/loadavg: 3.06 3.84 3.93 5/397 9328
/proc/meminfo: memFree=30352452/32950928 swapFree=41934208/67111528
[pid=9328] ppid=9326 vsize=13260 CPUtime=0.09 cores=1,3
/proc/9328/stat : 9328 (MPhaseSAT64) R 9326 9328 8602 0 -1 4202496 802 0 0 0 9 0 0 0 23 0 1 0 657810850 13578240 742 33554432000 4194304 4479436 140734545729696 18446744073709551615 4380794 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/9328/statm: 3315 742 325 70 0 435 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 13260

[startup+0.300417 s]
/proc/loadavg: 3.06 3.84 3.93 5/397 9328
/proc/meminfo: memFree=30352452/32950928 swapFree=41934208/67111528
[pid=9328] ppid=9326 vsize=14296 CPUtime=0.29 cores=1,3
/proc/9328/stat : 9328 (MPhaseSAT64) R 9326 9328 8602 0 -1 4202496 1093 0 0 0 29 0 0 0 25 0 1 0 657810850 14639104 1001 33554432000 4194304 4479436 140734545729696 18446744073709551615 4451085 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/9328/statm: 3574 1001 325 70 0 694 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 14296

[startup+0.70035 s]
/proc/loadavg: 3.06 3.84 3.93 5/397 9328
/proc/meminfo: memFree=30352452/32950928 swapFree=41934208/67111528
[pid=9328] ppid=9326 vsize=15628 CPUtime=0.69 cores=1,3
/proc/9328/stat : 9328 (MPhaseSAT64) R 9326 9328 8602 0 -1 4202496 1258 0 0 0 69 0 0 0 25 0 1 0 657810850 16003072 1102 33554432000 4194304 4479436 140734545729696 18446744073709551615 4331671 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/9328/statm: 3907 1102 326 70 0 1027 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 15628

[startup+1.50027 s]
/proc/loadavg: 3.06 3.84 3.93 4/393 9346
/proc/meminfo: memFree=30353988/32950928 swapFree=41934208/67111528
[pid=9328] ppid=9326 vsize=17064 CPUtime=1.49 cores=1,3
/proc/9328/stat : 9328 (MPhaseSAT64) R 9326 9328 8602 0 -1 4202496 1711 0 0 0 149 0 0 0 25 0 1 0 657810850 17473536 1456 33554432000 4194304 4479436 140734545729696 18446744073709551615 4384928 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/9328/statm: 4266 1456 326 70 0 1386 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 17064

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

[startup+1.60026 s]
/proc/loadavg: 3.06 3.84 3.93 4/393 9346
/proc/meminfo: memFree=30353988/32950928 swapFree=41934208/67111528
[pid=9328] ppid=9326 vsize=17064 CPUtime=1.59 cores=1,3
/proc/9328/stat : 9328 (MPhaseSAT64) R 9326 9328 8602 0 -1 4202496 1775 0 0 0 159 0 0 0 25 0 1 0 657810850 17473536 1456 33554432000 4194304 4479436 140734545729696 18446744073709551615 4380813 0 0 4096 1026 0 0 0 17 1 0 0 0
/proc/9328/statm: 4266 1456 326 70 0 1386 0
Current children cumulated CPU time (s) 1.59
Current children cumulated vsize (KiB) 17064

Child status: 20
Real time (s): 1.62738
CPU time (s): 1.62675
CPU user time (s): 1.62275
CPU system time (s): 0.003999
CPU usage (%): 99.9616
Max. virtual memory (cumulated for all children) (KiB): 17064

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.62275
system time used= 0.003999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1782
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= 4
involuntary context switches= 4

runsolver used 0.007998 second user time and 0.020996 second system time

The end

Launcher Data 

Begin job on node126 at 2011-05-15 14:22:02
IDJOB=3375483
IDBENCH=85447
IDSOLVER=1855
FILE ID=node126/3375483-1305462122
RUNJOBID= node126-1305462121-9288
PBS_JOBID= 13324901
Free space on /tmp= 73364 MiB

SOLVER NAME= MPhaseSAT64 2011-05-14 (fixed)
BENCH NAME= SAT05/crafted/sabharwal05/counting/php/unsat/easier/php-010-008.shuffled-as.sat05-1171.cnf
COMMAND LINE= MPhaseSAT64 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3375483-1305462122/watcher-3375483-1305462122 -o /tmp/evaluation-result-3375483-1305462122/solver-3375483-1305462122 -C 2400 -W 1300 -M 7680  MPhaseSAT64 HOME/instance-3375483-1305462122.cnf

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

MD5SUM BENCH= 421970908f111607c59182237109849e
RANDOM SEED=1842313967

node126.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		: 2666.783
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	: 5333.56
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		: 2666.783
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		: 2666.783
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	: 5332.74
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		: 2666.783
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	: 5332.74
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		: 2666.783
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	: 5332.80
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		: 2666.783
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		: 2666.783
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		: 2666.783
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:     32950928 kB
MemFree:      30352500 kB
Buffers:        174824 kB
Cached:        1702232 kB
SwapCached:      49560 kB
Active:         102896 kB
Inactive:      2249980 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      30352500 kB
SwapTotal:    67111528 kB
SwapFree:     41934208 kB
Dirty:            2932 kB
Writeback:           0 kB
AnonPages:      438744 kB
Mapped:          10692 kB
Slab:           103748 kB
PageTables:      75920 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS: 88165416 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= 73364 MiB
End job on node126 at 2011-05-15 14:22:03