Trace number 3266014

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
sattime2011 2011-03-02SAT 0.405937 0.409506

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 

0.39/0.40	c 1713 clauses are redundant and removed
0.39/0.40	c 470 vars are fixed and 11322 clauses are removed after unit propagation
0.39/0.40	c 518 vars are fixed and 12674 clauses are removed after lookahead
0.39/0.40	c initial seed is 1595390227
0.39/0.40	c try=1 flip j=12371 walk=10324 seed 1595390244
0.39/0.40	c A solution is found
0.39/0.40	s SATISFIABLE
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-1475 1476 -1477 1478 -1479 1480 -1481 -1482 -1483 1484 1485 -1486 1487 1488 1489 1490 1491 1492 1493 -1494 1495 1496 -1497 1498 1499 -1500 -1501 -1502 -1503 -1504 1505 1506 1507 -1508 -1509 1510 -1511 -1512 1513 -1514 1515 -1516 -1517 -1518 -1519 1520 1521 -1522 1523 1524 -1525 1526 -1527 -1528 -1529 -1530 -1531 -1532 -1533 -1534 -1535 1536 -1537 -1538 1539 1540 -1541 -1542 -1543 -1544 1545 1546 -1547 -1548 -1549 1550 -1551 -1552 1553 1554 1555 1556 -1557 -1558 -1559 1560 1561 1562 -1563 1564 -1565 -1566 1567 1568 1569 -1570 -1571 1572 -1573 -1574 1575 -1576 -1577 -1578 1579 1580 1581 1582 1583 1584 
0.39/0.40	v 0 
0.39/0.40	c Done (mycputime is 0 seconds)

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-3266014-1303580873/watcher-3266014-1303580873 -o /tmp/evaluation-result-3266014-1303580873/solver-3266014-1303580873 -C 2400 -W 1300 -M 7680 sattime2011 HOME/instance-3266014-1303580873.cnf 1595386770 

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: 3.68 3.93 3.89 4/184 16273
/proc/meminfo: memFree=14417824/32951124 swapFree=67111524/67111528
[pid=16273] ppid=16271 vsize=1185452 CPUtime=0 cores=4,6
/proc/16273/stat : 16273 (sattime2011) R 16271 16273 15898 0 -1 4194304 217 0 0 0 0 0 0 0 22 0 1 0 469685276 1213902848 162 33554432000 4194304 4230460 140735776154960 18446744073709551615 228244348672 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/16273/statm: 296363 163 100 9 0 293520 0

[startup+0.0334501 s]
/proc/loadavg: 3.68 3.93 3.89 4/184 16273
/proc/meminfo: memFree=14417824/32951124 swapFree=67111524/67111528
[pid=16273] ppid=16271 vsize=1187560 CPUtime=0.02 cores=4,6
/proc/16273/stat : 16273 (sattime2011) R 16271 16273 15898 0 -1 4202496 858 0 0 0 2 0 0 0 22 0 1 0 469685276 1216061440 802 33554432000 4194304 4230460 140735776154960 18446744073709551615 4207756 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/16273/statm: 296890 802 103 9 0 294047 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 1187560

[startup+0.100433 s]
/proc/loadavg: 3.68 3.93 3.89 4/184 16273
/proc/meminfo: memFree=14417824/32951124 swapFree=67111524/67111528
[pid=16273] ppid=16271 vsize=1187560 CPUtime=0.09 cores=4,6
/proc/16273/stat : 16273 (sattime2011) R 16271 16273 15898 0 -1 4202496 859 0 0 0 9 0 0 0 22 0 1 0 469685276 1216061440 803 33554432000 4194304 4230460 140735776154960 18446744073709551615 4207720 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/16273/statm: 296890 803 103 9 0 294047 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1187560

[startup+0.300398 s]
/proc/loadavg: 3.68 3.93 3.89 4/184 16273
/proc/meminfo: memFree=14417824/32951124 swapFree=67111524/67111528
[pid=16273] ppid=16271 vsize=1187560 CPUtime=0.29 cores=4,6
/proc/16273/stat : 16273 (sattime2011) R 16271 16273 15898 0 -1 4202496 860 0 0 0 29 0 0 0 23 0 1 0 469685276 1216061440 804 33554432000 4194304 4230460 140735776154960 18446744073709551615 4207715 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/16273/statm: 296890 804 103 9 0 294047 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 1187560

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

[startup+0.400384 s]
/proc/loadavg: 3.68 3.93 3.89 4/184 16273
/proc/meminfo: memFree=14417824/32951124 swapFree=67111524/67111528
[pid=16273] ppid=16271 vsize=1187964 CPUtime=0.39 cores=4,6
/proc/16273/stat : 16273 (sattime2011) R 16271 16273 15898 0 -1 4202496 1077 0 0 0 39 0 0 0 24 0 1 0 469685276 1216475136 1015 33554432000 4194304 4230460 140735776154960 18446744073709551615 228243882689 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/16273/statm: 296991 1015 117 9 0 294148 0
Current children cumulated CPU time (s) 0.39
Current children cumulated vsize (KiB) 1187964

Child status: 10
Real time (s): 0.409506
CPU time (s): 0.405937
CPU user time (s): 0.403938
CPU system time (s): 0.001999
CPU usage (%): 99.1284
Max. virtual memory (cumulated for all children) (KiB): 1187964

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.403938
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= 1080
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= 2
involuntary context switches= 1

runsolver used 0.000999 second user time and 0.005999 second system time

The end

Launcher Data 

Begin job on node136 at 2011-04-23 19:47:53
IDJOB=3266014
IDBENCH=85914
IDSOLVER=1563
FILE ID=node136/3266014-1303580873
RUNJOBID= node136-1303580873-16242
PBS_JOBID= 13150335
Free space on /tmp= 71620 MiB

SOLVER NAME= sattime2011 2011-03-02
BENCH NAME= SAT05/crafted/sorge05/QG8/iso-ukn009.shuffled-as.sat05-3632.cnf
COMMAND LINE= sattime2011 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3266014-1303580873/watcher-3266014-1303580873 -o /tmp/evaluation-result-3266014-1303580873/solver-3266014-1303580873 -C 2400 -W 1300 -M 7680  sattime2011 HOME/instance-3266014-1303580873.cnf 1595386770

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

MD5SUM BENCH= 4502d767c38bfe3825eec510915dae05
RANDOM SEED=1595386770

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:      14418600 kB
Buffers:       1700676 kB
Cached:       16196224 kB
SwapCached:          4 kB
Active:        9449776 kB
Inactive:      8516344 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      14418600 kB
SwapTotal:    67111528 kB
SwapFree:     67111524 kB
Dirty:           25432 kB
Writeback:           0 kB
AnonPages:       68252 kB
Mapped:          14876 kB
Slab:           501280 kB
PageTables:       4736 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:  2596904 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= 71604 MiB
End job on node136 at 2011-04-23 19:47:54