Trace number 1554238

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 198.502 198.576

General information on the benchmark

NameAPPLICATIONS/
bitverif/minand/minand128.cnf
MD5SUM34e3afebec3eaf03cbcceb51b352993a
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark16.6065
Satisfiable
(Un)Satisfiability was proved
Number of variables53999
Number of clauses159692
Sum of the clauses size372612
Maximum clause length3
Minimum clause length1
Number of clauses of size 12
Number of clauses of size 2106460
Number of clauses of size 353230
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

198.42/198.57	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-1554238-1238725353/watcher-1554238-1238725353 -o /tmp/evaluation-result-1554238-1238725353/solver-1554238-1238725353 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/picosat HOME/instance-1554238-1238725353.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: 0.85 0.97 0.99 3/73 31409
/proc/meminfo: memFree=1720816/2055920 swapFree=4173988/4192956
[pid=31409] ppid=31407 vsize=568 CPUtime=0
/proc/31409/stat : 31409 (picosat) R 31407 31409 31372 0 -1 4194304 80 0 0 0 0 0 0 0 20 0 1 0 1145200361 581632 66 1992294400 134512640 134931368 4294956240 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 1 0 0
/proc/31409/statm: 142 66 40 102 0 37 0

[startup+0.0706639 s]
/proc/loadavg: 0.85 0.97 0.99 3/73 31409
/proc/meminfo: memFree=1720816/2055920 swapFree=4173988/4192956
[pid=31409] ppid=31407 vsize=1316 CPUtime=0.06
/proc/31409/stat : 31409 (picosat) R 31407 31409 31372 0 -1 4194304 228 0 0 0 2 4 0 0 20 0 1 0 1145200361 1347584 214 1992294400 134512640 134931368 4294956240 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 1 0 0
/proc/31409/statm: 329 214 40 102 0 224 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 1316

[startup+0.102668 s]
/proc/loadavg: 0.85 0.97 0.99 3/73 31409
/proc/meminfo: memFree=1720816/2055920 swapFree=4173988/4192956
[pid=31409] ppid=31407 vsize=1316 CPUtime=0.09
/proc/31409/stat : 31409 (picosat) R 31407 31409 31372 0 -1 4194304 252 0 0 0 4 5 0 0 21 0 1 0 1145200361 1347584 238 1992294400 134512640 134931368 4294956240 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 1 0 0
/proc/31409/statm: 329 238 40 102 0 224 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1316

[startup+0.301706 s]
/proc/loadavg: 0.85 0.97 0.99 3/73 31409
/proc/meminfo: memFree=1720816/2055920 swapFree=4173988/4192956
[pid=31409] ppid=31407 vsize=2516 CPUtime=0.29
/proc/31409/stat : 31409 (picosat) R 31407 31409 31372 0 -1 4194304 548 0 0 0 12 17 0 0 22 0 1 0 1145200361 2576384 534 1992294400 134512640 134931368 4294956240 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 1 0 0
/proc/31409/statm: 629 534 40 102 0 524 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 2516

[startup+0.702789 s]
/proc/loadavg: 0.85 0.97 0.99 3/73 31409
/proc/meminfo: memFree=1720816/2055920 swapFree=4173988/4192956
[pid=31409] ppid=31407 vsize=7084 CPUtime=0.69
/proc/31409/stat : 31409 (picosat) R 31407 31409 31372 0 -1 4194304 1208 0 0 0 30 39 0 0 25 0 1 0 1145200361 7254016 1194 1992294400 134512640 134931368 4294956240 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 1 0 0
/proc/31409/statm: 1771 1194 40 102 0 1666 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 7084

[startup+1.50194 s]
/proc/loadavg: 0.85 0.97 0.99 2/74 31410
/proc/meminfo: memFree=1714536/2055920 swapFree=4173988/4192956
[pid=31409] ppid=31407 vsize=8712 CPUtime=1.49
/proc/31409/stat : 31409 (picosat) R 31407 31409 31372 0 -1 4194304 1904 0 0 0 87 62 0 0 25 0 1 0 1145200361 8921088 1874 1992294400 134512640 134931368 4294956240 18446744073709551615 134544809 0 0 4096 0 0 0 0 17 1 0 0
/proc/31409/statm: 2178 1874 42 102 0 2073 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 8712

[startup+3.10124 s]
/proc/loadavg: 0.85 0.97 0.99 2/74 31410
/proc/meminfo: memFree=1713064/2055920 swapFree=4173988/4192956
[pid=31409] ppid=31407 vsize=9636 CPUtime=3.09
/proc/31409/stat : 31409 (picosat) R 31407 31409 31372 0 -1 4194304 2099 0 0 0 246 63 0 0 25 0 1 0 1145200361 9867264 2010 1992294400 134512640 134931368 4294956240 18446744073709551615 134529604 0 0 4096 0 0 0 0 17 1 0 0
/proc/31409/statm: 2409 2010 48 102 0 2304 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 9636

[startup+6.30186 s]
/proc/loadavg: 0.86 0.97 0.99 2/74 31410
/proc/meminfo: memFree=1711528/2055920 swapFree=4173988/4192956
[pid=31409] ppid=31407 vsize=11336 CPUtime=6.28
/proc/31409/stat : 31409 (picosat) R 31407 31409 31372 0 -1 4194304 2530 0 0 0 565 63 0 0 25 0 1 0 1145200361 11608064 2441 1992294400 134512640 134931368 4294956240 18446744073709551615 134529466 0 0 4096 0 0 0 0 17 1 0 0
/proc/31409/statm: 2834 2441 48 102 0 2729 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 11336

[startup+12.7011 s]
/proc/loadavg: 0.87 0.97 0.99 2/74 31410
/proc/meminfo: memFree=1708080/2055920 swapFree=4173988/4192956
[pid=31409] ppid=31407 vsize=14340 CPUtime=12.68
/proc/31409/stat : 31409 (picosat) R 31407 31409 31372 0 -1 4194304 3237 0 0 0 1204 64 0 0 25 0 1 0 1145200361 14684160 3148 1992294400 134512640 134931368 4294956240 18446744073709551615 134525754 0 0 4096 0 0 0 0 17 1 0 0
/proc/31409/statm: 3585 3148 48 102 0 3480 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 14340

[startup+25.5015 s]
/proc/loadavg: 0.90 0.97 0.99 2/74 31410
/proc/meminfo: memFree=1704496/2055920 swapFree=4173988/4192956
[pid=31409] ppid=31407 vsize=17860 CPUtime=25.48
/proc/31409/stat : 31409 (picosat) R 31407 31409 31372 0 -1 4194304 4128 0 0 0 2483 65 0 0 25 0 1 0 1145200361 18288640 4039 1992294400 134512640 134931368 4294956240 18446744073709551615 134544827 0 0 4096 0 0 0 0 17 1 0 0
/proc/31409/statm: 4465 4039 48 102 0 4360 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 17860

[startup+51.1014 s]
/proc/loadavg: 0.93 0.97 0.99 2/74 31410
/proc/meminfo: memFree=1699504/2055920 swapFree=4173988/4192956
[pid=31409] ppid=31407 vsize=22980 CPUtime=51.07
/proc/31409/stat : 31409 (picosat) R 31407 31409 31372 0 -1 4194304 5402 0 0 0 5041 66 0 0 25 0 1 0 1145200361 23531520 5313 1992294400 134512640 134931368 4294956240 18446744073709551615 134522836 0 0 4096 0 0 0 0 17 1 0 0
/proc/31409/statm: 5745 5313 48 102 0 5640 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 22980

[startup+102.306 s]
/proc/loadavg: 0.97 0.97 0.99 2/74 31410
/proc/meminfo: memFree=1694192/2055920 swapFree=4173988/4192956
[pid=31409] ppid=31407 vsize=28336 CPUtime=102.25
/proc/31409/stat : 31409 (picosat) R 31407 31409 31372 0 -1 4194304 6743 0 0 0 10157 68 0 0 25 0 1 0 1145200361 29016064 6654 1992294400 134512640 134931368 4294956240 18446744073709551615 134530012 0 0 4096 0 0 0 0 17 1 0 0
/proc/31409/statm: 7084 6654 48 102 0 6979 0
Current children cumulated CPU time (s) 102.25
Current children cumulated vsize (KiB) 28336

[startup+162.302 s]
/proc/loadavg: 0.99 0.97 0.99 2/74 31410
/proc/meminfo: memFree=1689456/2055920 swapFree=4173988/4192956
[pid=31409] ppid=31407 vsize=32912 CPUtime=162.23
/proc/31409/stat : 31409 (picosat) R 31407 31409 31372 0 -1 4194304 7893 0 0 0 16154 69 0 0 25 0 1 0 1145200361 33701888 7804 1992294400 134512640 134931368 4294956240 18446744073709551615 134530208 0 0 4096 0 0 0 0 17 1 0 0
/proc/31409/statm: 8228 7804 48 102 0 8123 0
Current children cumulated CPU time (s) 162.23
Current children cumulated vsize (KiB) 32912

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

[startup+179.102 s]
/proc/loadavg: 0.99 0.97 0.99 2/74 31410
/proc/meminfo: memFree=1689456/2055920 swapFree=4173988/4192956
[pid=31409] ppid=31407 vsize=32912 CPUtime=179.03
/proc/31409/stat : 31409 (picosat) R 31407 31409 31372 0 -1 4194304 7893 0 0 0 17834 69 0 0 25 0 1 0 1145200361 33701888 7804 1992294400 134512640 134931368 4294956240 18446744073709551615 134520253 0 0 4096 0 0 0 0 17 1 0 0
/proc/31409/statm: 8228 7804 48 102 0 8123 0
Current children cumulated CPU time (s) 179.03
Current children cumulated vsize (KiB) 32912

[startup+191.901 s]
/proc/loadavg: 0.99 0.97 0.99 2/74 31410
/proc/meminfo: memFree=1687408/2055920 swapFree=4173988/4192956
[pid=31409] ppid=31407 vsize=34924 CPUtime=191.82
/proc/31409/stat : 31409 (picosat) R 31407 31409 31372 0 -1 4194304 8399 0 0 0 19112 70 0 0 25 0 1 0 1145200361 35762176 8310 1992294400 134512640 134931368 4294956240 18446744073709551615 134525606 0 0 4096 0 0 0 0 17 1 0 0
/proc/31409/statm: 8731 8310 48 102 0 8626 0
Current children cumulated CPU time (s) 191.82
Current children cumulated vsize (KiB) 34924

[startup+195.102 s]
/proc/loadavg: 0.99 0.97 0.99 2/74 31410
/proc/meminfo: memFree=1687408/2055920 swapFree=4173988/4192956
[pid=31409] ppid=31407 vsize=34924 CPUtime=195.02
/proc/31409/stat : 31409 (picosat) R 31407 31409 31372 0 -1 4194304 8399 0 0 0 19432 70 0 0 25 0 1 0 1145200361 35762176 8310 1992294400 134512640 134931368 4294956240 18446744073709551615 134525621 0 0 4096 0 0 0 0 17 1 0 0
/proc/31409/statm: 8731 8310 48 102 0 8626 0
Current children cumulated CPU time (s) 195.02
Current children cumulated vsize (KiB) 34924

[startup+196.701 s]
/proc/loadavg: 0.99 0.97 0.99 2/74 31410
/proc/meminfo: memFree=1687408/2055920 swapFree=4173988/4192956
[pid=31409] ppid=31407 vsize=34924 CPUtime=196.62
/proc/31409/stat : 31409 (picosat) R 31407 31409 31372 0 -1 4194304 8399 0 0 0 19592 70 0 0 25 0 1 0 1145200361 35762176 8310 1992294400 134512640 134931368 4294956240 18446744073709551615 134525606 0 0 4096 0 0 0 0 17 1 0 0
/proc/31409/statm: 8731 8310 48 102 0 8626 0
Current children cumulated CPU time (s) 196.62
Current children cumulated vsize (KiB) 34924

[startup+197.501 s]
/proc/loadavg: 0.99 0.97 0.99 2/74 31410
/proc/meminfo: memFree=1687408/2055920 swapFree=4173988/4192956
[pid=31409] ppid=31407 vsize=34924 CPUtime=197.42
/proc/31409/stat : 31409 (picosat) R 31407 31409 31372 0 -1 4194304 8399 0 0 0 19672 70 0 0 25 0 1 0 1145200361 35762176 8310 1992294400 134512640 134931368 4294956240 18446744073709551615 134525669 0 0 4096 0 0 0 0 17 1 0 0
/proc/31409/statm: 8731 8310 48 102 0 8626 0
Current children cumulated CPU time (s) 197.42
Current children cumulated vsize (KiB) 34924

[startup+198.302 s]
/proc/loadavg: 0.99 0.97 0.99 2/74 31410
/proc/meminfo: memFree=1687408/2055920 swapFree=4173988/4192956
[pid=31409] ppid=31407 vsize=34924 CPUtime=198.22
/proc/31409/stat : 31409 (picosat) R 31407 31409 31372 0 -1 4194304 8399 0 0 0 19752 70 0 0 25 0 1 0 1145200361 35762176 8310 1992294400 134512640 134931368 4294956240 18446744073709551615 134522823 0 0 4096 0 0 0 0 17 1 0 0
/proc/31409/statm: 8731 8310 48 102 0 8626 0
Current children cumulated CPU time (s) 198.22
Current children cumulated vsize (KiB) 34924

[startup+198.502 s]
/proc/loadavg: 0.99 0.97 0.99 2/74 31410
/proc/meminfo: memFree=1687408/2055920 swapFree=4173988/4192956
[pid=31409] ppid=31407 vsize=34924 CPUtime=198.42
/proc/31409/stat : 31409 (picosat) R 31407 31409 31372 0 -1 4194304 8399 0 0 0 19772 70 0 0 25 0 1 0 1145200361 35762176 8310 1992294400 134512640 134931368 4294956240 18446744073709551615 134525886 0 0 4096 0 0 0 0 17 1 0 0
/proc/31409/statm: 8731 8310 48 102 0 8626 0
Current children cumulated CPU time (s) 198.42
Current children cumulated vsize (KiB) 34924

Child status: 20
Real time (s): 198.576
CPU time (s): 198.502
CPU user time (s): 197.795
CPU system time (s): 0.706892
CPU usage (%): 99.9628
Max. virtual memory (cumulated for all children) (KiB): 34924

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 197.795
system time used= 0.706892
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 8401
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= 190

runsolver used 0.172973 second user time and 0.558915 second system time

The end

Launcher Data 

Begin job on node76 at 2009-04-03 04:22:34
IDJOB=1554238
IDBENCH=70776
IDSOLVER=563
FILE ID=node76/1554238-1238725353
PBS_JOBID= 9085348
Free space on /tmp= 66472 MiB

SOLVER NAME= SAT07 reference solver: picosat 535
BENCH NAME= SAT09/APPLICATIONS/bitverif/minand/minand128.cnf
COMMAND LINE= HOME/picosat BENCHNAME            
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1554238-1238725353/watcher-1554238-1238725353 -o /tmp/evaluation-result-1554238-1238725353/solver-1554238-1238725353 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/picosat HOME/instance-1554238-1238725353.cnf            

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

MD5SUM BENCH= 34e3afebec3eaf03cbcceb51b352993a
RANDOM SEED=1488248116

node76.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		: 3000.259
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		: 3000.259
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:       1721296 kB
Buffers:         39996 kB
Cached:         207380 kB
SwapCached:      10684 kB
Active:          29160 kB
Inactive:       230472 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1721296 kB
SwapTotal:     4192956 kB
SwapFree:      4173988 kB
Dirty:            3148 kB
Writeback:           0 kB
Mapped:          18904 kB
Slab:            59988 kB
Committed_AS:  2935508 kB
PageTables:       2048 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= 66472 MiB
End job on node76 at 2009-04-03 04:25:52