Trace number 1825134

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
SAT07 reference solver: picosat 535UNSAT 41.3287 41.3398

General information on the benchmark

NameAPPLICATIONS/
bitverif/maxand/maxand064.cnf
MD5SUMb2d2617ddc348aef0d35df3c8f228dcb
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark2.97355
Satisfiable
(Un)Satisfiability was proved
Number of variables14578
Number of clauses42581
Sum of the clauses size99353
Maximum clause length3
Minimum clause length1
Number of clauses of size 12
Number of clauses of size 228386
Number of clauses of size 314193
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

41.28/41.33	s UNSATISFIABLE

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1825134-1242487076/watcher-1825134-1242487076 -o /tmp/evaluation-result-1825134-1242487076/solver-1825134-1242487076 -C 10000 -W 12000 -M 1800 --output-limit 1,15 HOME/picosat HOME/instance-1825134-1242487076.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 10000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 10030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 12000 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: 1.84 1.91 1.90 3/65 19492
/proc/meminfo: memFree=1172640/2055920 swapFree=4174024/4192956
[pid=19492] ppid=19490 vsize=568 CPUtime=0
/proc/19492/stat : 19492 (picosat) R 19490 19492 19425 0 -1 4194304 80 0 0 0 0 0 0 0 20 0 1 0 276737293 581632 66 1992294400 134512640 134931368 4294956240 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 1 0 0
/proc/19492/statm: 142 66 40 102 0 37 0

[startup+0.077769 s]
/proc/loadavg: 1.84 1.91 1.90 3/65 19492
/proc/meminfo: memFree=1172640/2055920 swapFree=4174024/4192956
[pid=19492] ppid=19490 vsize=1344 CPUtime=0.06
/proc/19492/stat : 19492 (picosat) R 19490 19492 19425 0 -1 4194304 232 0 0 0 3 3 0 0 20 0 1 0 276737293 1376256 218 1992294400 134512640 134931368 4294956240 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 1 0 0
/proc/19492/statm: 336 218 40 102 0 231 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 1344

[startup+0.101771 s]
/proc/loadavg: 1.84 1.91 1.90 3/65 19492
/proc/meminfo: memFree=1172640/2055920 swapFree=4174024/4192956
[pid=19492] ppid=19490 vsize=1344 CPUtime=0.09
/proc/19492/stat : 19492 (picosat) R 19490 19492 19425 0 -1 4194304 246 0 0 0 4 5 0 0 20 0 1 0 276737293 1376256 232 1992294400 134512640 134931368 4294956240 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 1 0 0
/proc/19492/statm: 336 232 40 102 0 231 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1344

[startup+0.301792 s]
/proc/loadavg: 1.84 1.91 1.90 3/65 19492
/proc/meminfo: memFree=1172640/2055920 swapFree=4174024/4192956
[pid=19492] ppid=19490 vsize=2612 CPUtime=0.29
/proc/19492/stat : 19492 (picosat) R 19490 19492 19425 0 -1 4194304 551 0 0 0 14 15 0 0 22 0 1 0 276737293 2674688 537 1992294400 134512640 134931368 4294956240 18446744073709551615 134525754 0 0 4096 0 0 0 0 17 1 0 0
/proc/19492/statm: 653 537 42 102 0 548 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 2612

[startup+0.701838 s]
/proc/loadavg: 1.84 1.91 1.90 3/65 19492
/proc/meminfo: memFree=1172640/2055920 swapFree=4174024/4192956
[pid=19492] ppid=19490 vsize=2904 CPUtime=0.69
/proc/19492/stat : 19492 (picosat) R 19490 19492 19425 0 -1 4194304 635 0 0 0 54 15 0 0 25 0 1 0 276737293 2973696 613 1992294400 134512640 134931368 4294956240 18446744073709551615 134522823 0 0 4096 0 0 0 0 17 1 0 0
/proc/19492/statm: 726 613 42 102 0 621 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 2904

[startup+1.50193 s]
/proc/loadavg: 1.77 1.90 1.89 2/66 19493
/proc/meminfo: memFree=1170008/2055920 swapFree=4174024/4192956
[pid=19492] ppid=19490 vsize=3440 CPUtime=1.49
/proc/19492/stat : 19492 (picosat) R 19490 19492 19425 0 -1 4194304 766 0 0 0 134 15 0 0 25 0 1 0 276737293 3522560 742 1992294400 134512640 134931368 4294956240 18446744073709551615 134525788 0 0 4096 0 0 0 0 17 1 0 0
/proc/19492/statm: 860 742 48 102 0 755 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 3440

[startup+3.10111 s]
/proc/loadavg: 1.77 1.90 1.89 2/66 19493
/proc/meminfo: memFree=1169496/2055920 swapFree=4174024/4192956
[pid=19492] ppid=19490 vsize=4100 CPUtime=3.08
/proc/19492/stat : 19492 (picosat) R 19490 19492 19425 0 -1 4194304 932 0 0 0 293 15 0 0 25 0 1 0 276737293 4198400 908 1992294400 134512640 134931368 4294956240 18446744073709551615 134529919 0 0 4096 0 0 0 0 17 1 0 0
/proc/19492/statm: 1025 908 48 102 0 920 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 4100

[startup+6.30149 s]
/proc/loadavg: 1.77 1.90 1.89 2/66 19493
/proc/meminfo: memFree=1168344/2055920 swapFree=4174024/4192956
[pid=19492] ppid=19490 vsize=4880 CPUtime=6.29
/proc/19492/stat : 19492 (picosat) R 19490 19492 19425 0 -1 4194304 1110 0 0 0 613 16 0 0 25 0 1 0 276737293 4997120 1086 1992294400 134512640 134931368 4294956240 18446744073709551615 134520025 0 0 4096 0 0 0 0 17 1 0 0
/proc/19492/statm: 1220 1086 48 102 0 1115 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 4880

[startup+12.7012 s]
/proc/loadavg: 1.65 1.87 1.88 2/66 19493
/proc/meminfo: memFree=1167512/2055920 swapFree=4174024/4192956
[pid=19492] ppid=19490 vsize=5524 CPUtime=12.69
/proc/19492/stat : 19492 (picosat) R 19490 19492 19425 0 -1 4194304 1290 0 0 0 1253 16 0 0 25 0 1 0 276737293 5656576 1266 1992294400 134512640 134931368 4294956240 18446744073709551615 134529909 0 0 4096 0 0 0 0 17 1 0 0
/proc/19492/statm: 1381 1266 48 102 0 1276 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 5524

[startup+25.5017 s]
/proc/loadavg: 1.55 1.84 1.87 2/66 19493
/proc/meminfo: memFree=1164824/2055920 swapFree=4174024/4192956
[pid=19492] ppid=19490 vsize=8224 CPUtime=25.48
/proc/19492/stat : 19492 (picosat) R 19490 19492 19425 0 -1 4194304 1970 0 0 0 2532 16 0 0 25 0 1 0 276737293 8421376 1946 1992294400 134512640 134931368 4294956240 18446744073709551615 134522775 0 0 4096 0 0 0 0 17 1 0 0
/proc/19492/statm: 2056 1946 48 102 0 1951 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 8224

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

[startup+31.9064 s]
/proc/loadavg: 1.47 1.81 1.86 2/66 19493
/proc/meminfo: memFree=1164888/2055920 swapFree=4174024/4192956
[pid=19492] ppid=19490 vsize=8224 CPUtime=31.89
/proc/19492/stat : 19492 (picosat) R 19490 19492 19425 0 -1 4194304 1971 0 0 0 3173 16 0 0 25 0 1 0 276737293 8421376 1947 1992294400 134512640 134931368 4294956240 18446744073709551615 134530328 0 0 4096 0 0 0 0 17 1 0 0
/proc/19492/statm: 2056 1947 48 102 0 1951 0
Current children cumulated CPU time (s) 31.89
Current children cumulated vsize (KiB) 8224

[startup+38.3011 s]
/proc/loadavg: 1.43 1.80 1.86 2/66 19493
/proc/meminfo: memFree=1164888/2055920 swapFree=4174024/4192956
[pid=19492] ppid=19490 vsize=8224 CPUtime=38.28
/proc/19492/stat : 19492 (picosat) R 19490 19492 19425 0 -1 4194304 1972 0 0 0 3812 16 0 0 25 0 1 0 276737293 8421376 1948 1992294400 134512640 134931368 4294956240 18446744073709551615 134549282 0 0 4096 0 0 0 0 17 1 0 0
/proc/19492/statm: 2056 1948 48 102 0 1951 0
Current children cumulated CPU time (s) 38.28
Current children cumulated vsize (KiB) 8224

[startup+39.9013 s]
/proc/loadavg: 1.43 1.80 1.86 2/66 19493
/proc/meminfo: memFree=1164888/2055920 swapFree=4174024/4192956
[pid=19492] ppid=19490 vsize=8224 CPUtime=39.88
/proc/19492/stat : 19492 (picosat) R 19490 19492 19425 0 -1 4194304 1972 0 0 0 3972 16 0 0 25 0 1 0 276737293 8421376 1948 1992294400 134512640 134931368 4294956240 18446744073709551615 134549452 0 0 4096 0 0 0 0 17 1 0 0
/proc/19492/statm: 2056 1948 48 102 0 1951 0
Current children cumulated CPU time (s) 39.88
Current children cumulated vsize (KiB) 8224

[startup+40.7054 s]
/proc/loadavg: 1.43 1.80 1.86 2/66 19493
/proc/meminfo: memFree=1164888/2055920 swapFree=4174024/4192956
[pid=19492] ppid=19490 vsize=8224 CPUtime=40.68
/proc/19492/stat : 19492 (picosat) R 19490 19492 19425 0 -1 4194304 1972 0 0 0 4052 16 0 0 25 0 1 0 276737293 8421376 1948 1992294400 134512640 134931368 4294956240 18446744073709551615 134525918 0 0 4096 0 0 0 0 17 1 0 0
/proc/19492/statm: 2056 1948 48 102 0 1951 0
Current children cumulated CPU time (s) 40.68
Current children cumulated vsize (KiB) 8224

[startup+41.1014 s]
/proc/loadavg: 1.43 1.80 1.86 2/66 19493
/proc/meminfo: memFree=1164888/2055920 swapFree=4174024/4192956
[pid=19492] ppid=19490 vsize=8224 CPUtime=41.08
/proc/19492/stat : 19492 (picosat) R 19490 19492 19425 0 -1 4194304 1972 0 0 0 4092 16 0 0 25 0 1 0 276737293 8421376 1948 1992294400 134512640 134931368 4294956240 18446744073709551615 134524068 0 0 4096 0 0 0 0 17 1 0 0
/proc/19492/statm: 2056 1948 48 102 0 1951 0
Current children cumulated CPU time (s) 41.08
Current children cumulated vsize (KiB) 8224

[startup+41.3015 s]
/proc/loadavg: 1.43 1.80 1.86 2/66 19493
/proc/meminfo: memFree=1164888/2055920 swapFree=4174024/4192956
[pid=19492] ppid=19490 vsize=8224 CPUtime=41.28
/proc/19492/stat : 19492 (picosat) R 19490 19492 19425 0 -1 4194304 1972 0 0 0 4112 16 0 0 25 0 1 0 276737293 8421376 1948 1992294400 134512640 134931368 4294956240 18446744073709551615 134530822 0 0 4096 0 0 0 0 17 1 0 0
/proc/19492/statm: 2056 1948 48 102 0 1951 0
Current children cumulated CPU time (s) 41.28
Current children cumulated vsize (KiB) 8224

Child status: 20
Real time (s): 41.3398
CPU time (s): 41.3287
CPU user time (s): 41.1617
CPU system time (s): 0.166974
CPU usage (%): 99.9731
Max. virtual memory (cumulated for all children) (KiB): 8224

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 41.1617
system time used= 0.166974
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1974
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= 107

runsolver used 0.048992 second user time and 0.104984 second system time

The end

Launcher Data 

Begin job on node85 at 2009-05-16 17:17:56
IDJOB=1825134
IDBENCH=70803
IDSOLVER=666
FILE ID=node85/1825134-1242487076
PBS_JOBID= 9306919
Free space on /tmp= 126380 MiB

SOLVER NAME= SAT07 reference solver: picosat 535
BENCH NAME= SAT09/APPLICATIONS/bitverif/maxand/maxand064.cnf
COMMAND LINE= HOME/picosat BENCHNAME            
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1825134-1242487076/watcher-1825134-1242487076 -o /tmp/evaluation-result-1825134-1242487076/solver-1825134-1242487076 -C 10000 -W 12000 -M 1800 --output-limit 1,15  HOME/picosat HOME/instance-1825134-1242487076.cnf            

TIME LIMIT= 10000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= b2d2617ddc348aef0d35df3c8f228dcb
RANDOM SEED=320452656

node85.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		: 3000.238
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	: 5914.62
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		: 3000.238
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1173056 kB
Buffers:         86456 kB
Cached:         692592 kB
SwapCached:      14036 kB
Active:          93488 kB
Inactive:       701680 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1173056 kB
SwapTotal:     4192956 kB
SwapFree:      4174024 kB
Dirty:            1348 kB
Writeback:           0 kB
Mapped:          13612 kB
Slab:            73648 kB
Committed_AS:   908536 kB
PageTables:       1372 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 126380 MiB
End job on node85 at 2009-05-16 17:18:38