Trace number 3266030

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
CryptoMiniSat Strange-Night-1-stSAT 0.035993 0.0365659

General information on the benchmark

NameSAT05/crafted/sorge05/QG8/
iso-ukn009.shuffled-as.sat05-3632.cnf
MD5SUM4502d767c38bfe3825eec510915dae05
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.003998
Satisfiable
(Un)Satisfiability was proved
Number of variables1584
Number of clauses16587
Sum of the clauses size75691
Maximum clause length22
Minimum clause length1
Number of clauses of size 1143
Number of clauses of size 22152
Number of clauses of size 310834
Number of clauses of size 4110
Number of clauses of size 5140
Number of clauses of size over 53208

Solver Data 

0.00/0.00	c Outputting solution to console
0.00/0.00	c This is CryptoMiniSat 2.9.0
0.00/0.00	c compiled with gcc version 4.4.5
0.00/0.00	c WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	c Reading file 'HOME/instance-3266030-1303578988.cnf'
0.00/0.00	c -- header says num vars:           1584
0.00/0.00	c -- header says num clauses:       16587
0.00/0.01	c -- clauses added:            0 learnts,        16587 normals,            0 xors
0.00/0.01	c -- vars added       1584
0.00/0.01	c Parsing time:  0.01 s
0.00/0.01	c  N st     0         0      1584      9523      3149         0     60100         0   no data   no data  --
0.00/0.02	c asymm  cl-useful: 453/2083/2083 lits-rem:612 time: 0.01
0.00/0.02	c Flit:    15 Blit:     17 bXBeca:    0 bXProp:  104 Bins:      0 BRemL:      0 BRemN:      0 P:  0.1M T:  0.00
0.00/0.02	c Replacing      104 vars Replaced     5770 lits Time:     0.00 s 
0.00/0.02	c bin-w-bin subsume rem         1369 bins  time:  0.00 s
0.00/0.02	c subs with bin:       83  lits-rem:       126  v-fix:    0  time:  0.00 s
0.00/0.02	c Subs w/ non-existent bins:      0 l-rem:      5 v-fix:     0 done:    959 time:  0.00 s
0.00/0.02	c Removed useless bin:      15  fixed:     0  props:   0.01M  time:  0.00 s
0.03/0.03	c lits-rem:      3301  cl-subs:      667  v-elim:    319  v-fix:    0  time:  0.00 s
0.03/0.03	c Finding binary XORs  T:     0.00 s  found:       3
0.03/0.03	c Replacing        3 vars Replaced       76 lits Time:     0.00 s 
0.03/0.03	c Finding non-binary XORs:     0.00 s (found:       0, avg size: nan)
0.03/0.03	c calculated reachability. Time: 0.00
0.03/0.03	c Calc default polars -  time:   0.00 s pos:     245 undec:    1084 neg:     255
0.03/0.03	c =========================================================================================
0.03/0.03	c types(t): F = full restart, N = normal restart
0.03/0.03	c types(t): S = simplification begin/end, E = solution found
0.03/0.03	c restart types(rt): st = static, dy = dynamic
0.03/0.03	c  t rt  Rest     Confl      Vars   NormCls    BinCls   Learnts    ClLits    LtLits
0.03/0.03	c  B st     0         0       637       754       432         0      6514         0   no data   no data  --
0.03/0.03	c  E st     1         7         0       754       432         6      6514        38   no data   no data  --
0.03/0.03	c Verified 754 clauses.
0.03/0.03	c Solution needs extension. Extending.
0.03/0.03	c Verified 754 clauses.
0.03/0.03	c num threads              : 1          
0.03/0.03	c restarts                 : 1          
0.03/0.03	c dynamic restarts         : 0          
0.03/0.03	c static restarts          : 1          
0.03/0.03	c full restarts            : 0          
0.03/0.03	c total simplify time      : 0.00       
0.03/0.03	c learnts DL2              : 0          
0.03/0.03	c learnts size 2           : 5221       
0.03/0.03	c learnts size 1           : 524         (33.08     % of vars)
0.03/0.03	c filedLit time            : 0.00        (11.77     % time)
0.03/0.03	c v-elim SatELite          : 319         (20.14     % vars)
0.03/0.03	c SatELite time            : 0.00        (5.89      % time)
0.03/0.03	c v-elim xor               : 0           (0.00      % vars)
0.03/0.03	c xor elim time            : 0.00        (0.00      % time)
0.03/0.03	c num binary xor trees     : 75         
0.03/0.03	c binxor trees' crown      : 107         (1.43      leafs/tree)
0.03/0.03	c bin xor find time        : 0.00       
0.03/0.03	c OTF clause improved      : 0           (0.00      clauses/conflict)
0.03/0.03	c OTF impr. size diff      : 0           (nan        lits/clause)
0.03/0.03	c OTF cl watch-shrink      : 0           (0.00      clauses/conflict)
0.03/0.03	c OTF cl watch-sh-lit      : 0           (nan        lits/clause)
0.03/0.03	c tried to recurMin cls    : 0           (0.00       % of conflicts)
0.03/0.03	c updated cache            : 0           (nan        lits/tried recurMin)
0.03/0.03	c clauses over max glue    : 0           (0.00      % of all clauses)
0.03/0.03	c conflicts                : 7           (205.92    / sec)
0.03/0.03	c decisions                : 1027        (0.00      % random)
0.03/0.03	c bogo-props               : 734617      (21610195.92 / sec)
0.03/0.03	c conflict literals        : 39          (0.00      % deleted)
0.03/0.03	c Memory used              : 31.08       MB
0.03/0.03	c CPU time                 : 0.03        s
0.03/0.03	s SATISFIABLE
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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-3266030-1303578988/watcher-3266030-1303578988 -o /tmp/evaluation-result-3266030-1303578988/solver-3266030-1303578988 -C 2400 -W 1300 -M 7680 ./strangenight1-st HOME/instance-3266030-1303578988.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: 3.95 3.99 3.78 5/189 31612
/proc/meminfo: memFree=13835984/32950928 swapFree=67111528/67111528
[pid=31612] ppid=31610 vsize=30476 CPUtime=0 cores=4,6
/proc/31612/stat : 31612 (strangenight1-s) R 31610 31612 31283 0 -1 4202496 766 0 0 0 0 0 0 0 25 0 1 0 469497469 31207424 705 33554432000 4194304 4650387 140737000417040 18446744073709551615 4373864 0 0 4096 2 0 0 0 17 4 0 0 0
/proc/31612/statm: 7619 705 328 112 0 2584 0

[startup+0.032502 s]
/proc/loadavg: 3.95 3.99 3.78 5/189 31612
/proc/meminfo: memFree=13835984/32950928 swapFree=67111528/67111528
[pid=31612] ppid=31610 vsize=31488 CPUtime=0.03 cores=4,6
/proc/31612/stat : 31612 (strangenight1-s) R 31610 31612 31283 0 -1 4202496 1093 0 0 0 3 0 0 0 25 0 1 0 469497469 32243712 944 33554432000 4194304 4650387 140737000417040 18446744073709551615 4439587 0 0 4096 2 0 0 0 17 4 0 0 0
/proc/31612/statm: 7872 944 369 112 0 2837 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 31488

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

[startup+0.032502 s]
/proc/loadavg: 3.95 3.99 3.78 5/189 31612
/proc/meminfo: memFree=13835984/32950928 swapFree=67111528/67111528
[pid=31612] ppid=31610 vsize=31488 CPUtime=0.03 cores=4,6
/proc/31612/stat : 31612 (strangenight1-s) R 31610 31612 31283 0 -1 4202496 1093 0 0 0 3 0 0 0 25 0 1 0 469497469 32243712 944 33554432000 4194304 4650387 140737000417040 18446744073709551615 4439587 0 0 4096 2 0 0 0 17 4 0 0 0
/proc/31612/statm: 7872 944 369 112 0 2837 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 31488

Child status: 10
Real time (s): 0.0365659
CPU time (s): 0.035993
CPU user time (s): 0.033994
CPU system time (s): 0.001999
CPU usage (%): 98.4332
Max. virtual memory (cumulated for all children) (KiB): 31488

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.033994
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= 1232
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= 0

runsolver used 0.001999 second user time and 0.004999 second system time

The end

Launcher Data 

Begin job on node126 at 2011-04-23 19:16:28
IDJOB=3266030
IDBENCH=85914
IDSOLVER=1589
FILE ID=node126/3266030-1303578988
RUNJOBID= node126-1303577605-31302
PBS_JOBID= 13150328
Free space on /tmp= 71368 MiB

SOLVER NAME= CryptoMiniSat Strange-Night-1-st
BENCH NAME= SAT05/crafted/sorge05/QG8/iso-ukn009.shuffled-as.sat05-3632.cnf
COMMAND LINE= ./strangenight1-st BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3266030-1303578988/watcher-3266030-1303578988 -o /tmp/evaluation-result-3266030-1303578988/solver-3266030-1303578988 -C 2400 -W 1300 -M 7680  ./strangenight1-st HOME/instance-3266030-1303578988.cnf

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

MD5SUM BENCH= 4502d767c38bfe3825eec510915dae05
RANDOM SEED=732952524

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:      13836140 kB
Buffers:       1984400 kB
Cached:       16394704 kB
SwapCached:          0 kB
Active:        7740800 kB
Inactive:     10802940 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      13836140 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:            8840 kB
Writeback:           0 kB
AnonPages:      164712 kB
Mapped:          16244 kB
Slab:           507260 kB
PageTables:       5280 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS:   369708 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= 71364 MiB
End job on node126 at 2011-04-23 19:16:28