Trace number 1736766

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
SATzilla2009_C 2009-03-22SAT 5.10322 5.11816

General information on the benchmark

NameCRAFTED/parity-games/
instance_n4_i4_pp_ci_ce.cnf
MD5SUM91bf0f1cf73f97e8e8862cc30d68727a
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.012998
Satisfiable
(Un)Satisfiability was proved
Number of variables1572
Number of clauses9175
Sum of the clauses size28832
Maximum clause length12
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 22524
Number of clauses of size 33596
Number of clauses of size 42300
Number of clauses of size 5752
Number of clauses of size over 53

Solver Data 

4.99/5.11	c SATzilla is building models for class 2
4.99/5.11	c run presolver march_dl2004 for 5 seconds ... 
4.99/5.11	c Bin: Executing march_dl2004
4.99/5.11	c spawning binary file with 5 seconds ...
4.99/5.11	c child exit by a signal
4.99/5.11	c march_dl2004 returned code 137.
4.99/5.11	c run presolver mxc-sr08 for 5 seconds ... 
4.99/5.11	c Bin: Executing mxc-sr08
4.99/5.11	c spawning binary file with 5 seconds ...
4.99/5.11	c child exited successfully
4.99/5.11	c mxc-sr08 returned code 10.
4.99/5.11	s SATISFIABLE
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4.99/5.11	c SATZILLA_TIME=5.090000

Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1736766-1240813140/watcher-1736766-1240813140 -o /tmp/evaluation-result-1736766-1240813140/solver-1736766-1240813140 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/SATzilla2009_C HOME/instance-1736766-1240813140.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.91 0.95 0.98 3/64 29832
/proc/meminfo: memFree=1676488/2055920 swapFree=4180892/4192956
[pid=29832] ppid=29830 vsize=2056 CPUtime=0
/proc/29832/stat : 29832 (SATzilla2009_C) S 29830 29832 29489 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 109346926 2105344 112 1992294400 134512640 136149437 4294956208 18446744073709551615 135542781 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/29832/statm: 514 112 96 399 0 111 0
[pid=29833] ppid=29832 vsize=768 CPUtime=0
/proc/29833/stat : 29833 (march_dl2004) R 29832 29832 29489 0 -1 4194304 109 0 0 0 0 0 0 0 19 0 1 0 109346926 786432 104 1992294400 134512640 134996440 4294956176 18446744073709551615 134669245 0 0 8392704 0 0 0 0 17 0 0 0
/proc/29833/statm: 192 104 50 118 0 71 0

[startup+0.023927 s]
/proc/loadavg: 0.91 0.95 0.98 3/64 29832
/proc/meminfo: memFree=1676488/2055920 swapFree=4180892/4192956
[pid=29832] ppid=29830 vsize=2056 CPUtime=0
/proc/29832/stat : 29832 (SATzilla2009_C) S 29830 29832 29489 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 109346926 2105344 112 1992294400 134512640 136149437 4294956208 18446744073709551615 135542781 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/29832/statm: 514 112 96 399 0 111 0
[pid=29833] ppid=29832 vsize=1312 CPUtime=0.02
/proc/29833/stat : 29833 (march_dl2004) R 29832 29832 29489 0 -1 4194304 237 0 0 0 2 0 0 0 19 0 1 0 109346926 1343488 228 1992294400 134512640 134996440 4294956176 18446744073709551615 134542963 0 0 8392704 0 0 0 0 17 0 0 0
/proc/29833/statm: 328 234 56 118 0 207 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 3368

[startup+0.101934 s]
/proc/loadavg: 0.91 0.95 0.98 3/64 29832
/proc/meminfo: memFree=1676488/2055920 swapFree=4180892/4192956
[pid=29832] ppid=29830 vsize=2056 CPUtime=0
/proc/29832/stat : 29832 (SATzilla2009_C) S 29830 29832 29489 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 109346926 2105344 112 1992294400 134512640 136149437 4294956208 18446744073709551615 135542781 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/29832/statm: 514 112 96 399 0 111 0
[pid=29833] ppid=29832 vsize=1936 CPUtime=0.09
/proc/29833/stat : 29833 (march_dl2004) R 29832 29832 29489 0 -1 4194304 415 0 0 0 9 0 0 0 19 0 1 0 109346926 1982464 406 1992294400 134512640 134996440 4294956176 18446744073709551615 134560262 0 0 8392704 0 0 0 0 17 0 0 0
/proc/29833/statm: 484 406 69 118 0 363 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3992

[startup+0.301953 s]
/proc/loadavg: 0.91 0.95 0.98 3/64 29832
/proc/meminfo: memFree=1676488/2055920 swapFree=4180892/4192956
[pid=29832] ppid=29830 vsize=2056 CPUtime=0
/proc/29832/stat : 29832 (SATzilla2009_C) S 29830 29832 29489 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 109346926 2105344 112 1992294400 134512640 136149437 4294956208 18446744073709551615 135542781 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/29832/statm: 514 112 96 399 0 111 0
[pid=29833] ppid=29832 vsize=5144 CPUtime=0.29
/proc/29833/stat : 29833 (march_dl2004) R 29832 29832 29489 0 -1 4194304 1171 0 0 0 29 0 0 0 21 0 1 0 109346926 5267456 1152 1992294400 134512640 134996440 4294956176 18446744073709551615 134533698 0 0 8392704 0 0 0 0 17 0 0 0
/proc/29833/statm: 1286 1152 73 118 0 1165 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7200

[startup+0.701994 s]
/proc/loadavg: 0.91 0.95 0.98 3/64 29832
/proc/meminfo: memFree=1676488/2055920 swapFree=4180892/4192956
[pid=29832] ppid=29830 vsize=2056 CPUtime=0
/proc/29832/stat : 29832 (SATzilla2009_C) S 29830 29832 29489 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 109346926 2105344 112 1992294400 134512640 136149437 4294956208 18446744073709551615 135542781 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/29832/statm: 514 112 96 399 0 111 0
[pid=29833] ppid=29832 vsize=5256 CPUtime=0.69
/proc/29833/stat : 29833 (march_dl2004) R 29832 29832 29489 0 -1 4194304 1241 0 0 0 69 0 0 0 25 0 1 0 109346926 5382144 1180 1992294400 134512640 134996440 4294956176 18446744073709551615 134675049 0 0 8392704 0 0 0 0 17 0 0 0
/proc/29833/statm: 1314 1180 73 118 0 1193 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 7312

[startup+1.50108 s]
/proc/loadavg: 0.91 0.95 0.98 2/66 29834
/proc/meminfo: memFree=1671928/2055920 swapFree=4180892/4192956
[pid=29832] ppid=29830 vsize=2056 CPUtime=0
/proc/29832/stat : 29832 (SATzilla2009_C) S 29830 29832 29489 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 109346926 2105344 112 1992294400 134512640 136149437 4294956208 18446744073709551615 135542781 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/29832/statm: 514 112 96 399 0 111 0
[pid=29833] ppid=29832 vsize=5416 CPUtime=1.49
/proc/29833/stat : 29833 (march_dl2004) R 29832 29832 29489 0 -1 4194304 1271 0 0 0 148 1 0 0 25 0 1 0 109346926 5545984 1210 1992294400 134512640 134996440 4294956176 18446744073709551615 134675049 0 0 8392704 0 0 0 0 17 0 0 0
/proc/29833/statm: 1354 1210 73 118 0 1233 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 7472

[startup+3.10124 s]
/proc/loadavg: 0.91 0.95 0.98 2/66 29834
/proc/meminfo: memFree=1671672/2055920 swapFree=4180892/4192956
[pid=29832] ppid=29830 vsize=2056 CPUtime=0
/proc/29832/stat : 29832 (SATzilla2009_C) S 29830 29832 29489 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 109346926 2105344 112 1992294400 134512640 136149437 4294956208 18446744073709551615 135542781 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/29832/statm: 514 112 96 399 0 111 0
[pid=29833] ppid=29832 vsize=5712 CPUtime=3.09
/proc/29833/stat : 29833 (march_dl2004) R 29832 29832 29489 0 -1 4194304 1345 0 0 0 305 4 0 0 25 0 1 0 109346926 5849088 1282 1992294400 134512640 134996440 4294956176 18446744073709551615 134533681 0 0 8392704 0 0 0 0 17 1 0 0
/proc/29833/statm: 1428 1282 73 118 0 1307 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 7768

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

[startup+3.90132 s]
/proc/loadavg: 0.91 0.95 0.98 2/66 29834
/proc/meminfo: memFree=1670840/2055920 swapFree=4180892/4192956
[pid=29832] ppid=29830 vsize=2056 CPUtime=0
/proc/29832/stat : 29832 (SATzilla2009_C) S 29830 29832 29489 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 109346926 2105344 112 1992294400 134512640 136149437 4294956208 18446744073709551615 135542781 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/29832/statm: 514 112 96 399 0 111 0
[pid=29833] ppid=29832 vsize=5868 CPUtime=3.88
/proc/29833/stat : 29833 (march_dl2004) R 29832 29832 29489 0 -1 4194304 1379 0 0 0 382 6 0 0 25 0 1 0 109346926 6008832 1316 1992294400 134512640 134996440 4294956176 18446744073709551615 134675049 0 0 8392704 0 0 0 0 17 1 0 0
/proc/29833/statm: 1467 1316 73 118 0 1346 0
Current children cumulated CPU time (s) 3.88
Current children cumulated vsize (KiB) 7924

[startup+4.7014 s]
/proc/loadavg: 0.92 0.95 0.98 2/66 29834
/proc/meminfo: memFree=1671416/2055920 swapFree=4180892/4192956
[pid=29832] ppid=29830 vsize=2056 CPUtime=0
/proc/29832/stat : 29832 (SATzilla2009_C) S 29830 29832 29489 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 109346926 2105344 112 1992294400 134512640 136149437 4294956208 18446744073709551615 135542781 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/29832/statm: 514 112 96 399 0 111 0
[pid=29833] ppid=29832 vsize=6164 CPUtime=4.68
/proc/29833/stat : 29833 (march_dl2004) R 29832 29832 29489 0 -1 4194304 1385 0 0 0 461 7 0 0 25 0 1 0 109346926 6311936 1322 1992294400 134512640 134996440 4294956176 18446744073709551615 134533671 0 0 8392704 0 0 0 0 17 1 0 0
/proc/29833/statm: 1541 1322 73 118 0 1420 0
Current children cumulated CPU time (s) 4.68
Current children cumulated vsize (KiB) 8220

[startup+5.10144 s]
/proc/loadavg: 0.92 0.95 0.98 2/66 29834
/proc/meminfo: memFree=1671416/2055920 swapFree=4180892/4192956
[pid=29832] ppid=29830 vsize=2056 CPUtime=4.99
/proc/29832/stat : 29832 (SATzilla2009_C) S 29830 29832 29489 0 -1 4194304 152 1385 0 0 0 0 491 8 19 0 1 0 109346926 2105344 121 1992294400 134512640 136149437 4294956208 18446744073709551615 135542781 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/29832/statm: 514 121 104 399 0 111 0
Current children cumulated CPU time (s) 4.99
Current children cumulated vsize (KiB) 2056

Child status: 10
Real time (s): 5.11816
CPU time (s): 5.10322
CPU user time (s): 5.01524
CPU system time (s): 0.087986
CPU usage (%): 99.7083
Max. virtual memory (cumulated for all children) (KiB): 8220

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 5.01524
system time used= 0.087986
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1957
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= 11
involuntary context switches= 42

runsolver used 0.008998 second user time and 0.016997 second system time

The end

Launcher Data 

Begin job on node27 at 2009-04-27 08:19:00
IDJOB=1736766
IDBENCH=71632
IDSOLVER=527
FILE ID=node27/1736766-1240813140
PBS_JOBID= 9187399
Free space on /tmp= 66264 MiB

SOLVER NAME= SATzilla2009_C 2009-03-22
BENCH NAME= SAT09/CRAFTED/parity-games/instance_n4_i4_pp_ci_ce.cnf
COMMAND LINE= HOME/SATzilla2009_C BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1736766-1240813140/watcher-1736766-1240813140 -o /tmp/evaluation-result-1736766-1240813140/solver-1736766-1240813140 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/SATzilla2009_C HOME/instance-1736766-1240813140.cnf

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 91bf0f1cf73f97e8e8862cc30d68727a
RANDOM SEED=1966434941

node27.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 2800.234
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
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 lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5521.40
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 2800.234
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
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 lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1677032 kB
Buffers:         45212 kB
Cached:         258700 kB
SwapCached:       5080 kB
Active:         104404 kB
Inactive:       207516 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1677032 kB
SwapTotal:     4192956 kB
SwapFree:      4180892 kB
Dirty:           31604 kB
Writeback:           0 kB
Mapped:          14068 kB
Slab:            52968 kB
Committed_AS:   400088 kB
PageTables:       1372 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264948 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66232 MiB
End job on node27 at 2009-04-27 08:19:05