Trace number 1719701

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
iPAWS 2009-03-22? 1.36379 1.36468

General information on the benchmark

Namevelev-vliw-uns-4.0-9-i1.cnf
MD5SUM590cca3a58efdeb1c95ef988a53daa1d
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark
Satisfiable
(Un)Satisfiability was proved
Number of variables154309
Number of clauses3230738
Sum of the clauses size9429252
Maximum clause length3625
Minimum clause length1
Number of clauses of size 11
Number of clauses of size 22024994
Number of clauses of size 31081436
Number of clauses of size 48866
Number of clauses of size 58692
Number of clauses of size over 5106749

Solver Data 

1.29/1.36	s UNKNOWN
1.29/1.36	c Clause too long

Verifier Data 

ERROR: Unexpected answer ! (SATISFIABLE/UNSATISFIABLE expected)
Got answer: UNKNOWN

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1719701-1240648711/watcher-1719701-1240648711 -o /tmp/evaluation-result-1719701-1240648711/solver-1719701-1240648711 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/iPAWS HOME/instance-1719701-1240648711.cnf 303766195 

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: 0.99 0.98 0.99 3/64 3420
/proc/meminfo: memFree=1779648/2055920 swapFree=4191900/4192956
[pid=3420] ppid=3418 vsize=335916 CPUtime=0
/proc/3420/stat : 3420 (iPAWS) R 3418 3420 2921 0 -1 4194304 485 0 0 0 0 0 0 0 18 0 1 0 92898431 343977984 469 1992294400 134512640 135114423 4294956208 18446744073709551615 134615614 0 0 4096 0 0 0 0 17 1 0 0
/proc/3420/statm: 83979 470 54 146 0 83831 0

[startup+0.0175631 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 3420
/proc/meminfo: memFree=1779648/2055920 swapFree=4191900/4192956
[pid=3420] ppid=3418 vsize=335916 CPUtime=0.01
/proc/3420/stat : 3420 (iPAWS) R 3418 3420 2921 0 -1 4194304 531 0 0 0 1 0 0 0 18 0 1 0 92898431 343977984 515 1992294400 134512640 135114423 4294956208 18446744073709551615 134615614 0 0 4096 0 0 0 0 17 1 0 0
/proc/3420/statm: 83979 515 54 146 0 83831 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 335916

[startup+0.101571 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 3420
/proc/meminfo: memFree=1779648/2055920 swapFree=4191900/4192956
[pid=3420] ppid=3418 vsize=335916 CPUtime=0.09
/proc/3420/stat : 3420 (iPAWS) R 3418 3420 2921 0 -1 4194304 824 0 0 0 9 0 0 0 18 0 1 0 92898431 343977984 808 1992294400 134512640 135114423 4294956208 18446744073709551615 134533972 0 0 4096 0 0 0 0 17 1 0 0
/proc/3420/statm: 83979 808 54 146 0 83831 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 335916

[startup+0.301592 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 3420
/proc/meminfo: memFree=1779648/2055920 swapFree=4191900/4192956
[pid=3420] ppid=3418 vsize=335916 CPUtime=0.29
/proc/3420/stat : 3420 (iPAWS) R 3418 3420 2921 0 -1 4194304 1492 0 0 0 28 1 0 0 19 0 1 0 92898431 343977984 1476 1992294400 134512640 135114423 4294956208 18446744073709551615 134615614 0 0 4096 0 0 0 0 17 1 0 0
/proc/3420/statm: 83979 1476 54 146 0 83831 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 335916

[startup+0.704704 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 3420
/proc/meminfo: memFree=1779648/2055920 swapFree=4191900/4192956
[pid=3420] ppid=3418 vsize=335916 CPUtime=0.69
/proc/3420/stat : 3420 (iPAWS) R 3418 3420 2921 0 -1 4194304 2831 0 0 0 68 1 0 0 23 0 1 0 92898431 343977984 2815 1992294400 134512640 135114423 4294956208 18446744073709551615 134615614 0 0 4096 0 0 0 0 17 1 0 0
/proc/3420/statm: 83979 2816 54 146 0 83831 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 335916

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

[startup+1.20569 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 3421
/proc/meminfo: memFree=1761464/2055920 swapFree=4191900/4192956
[pid=3420] ppid=3418 vsize=343732 CPUtime=1.2
/proc/3420/stat : 3420 (iPAWS) R 3418 3420 2921 0 -1 4194304 4457 0 0 0 116 4 0 0 25 0 1 0 92898431 351981568 4441 1992294400 134512640 135114423 4294956208 18446744073709551615 134615614 0 0 4096 0 0 0 0 17 1 0 0
/proc/3420/statm: 85933 4441 54 146 0 85785 0
Current children cumulated CPU time (s) 1.2
Current children cumulated vsize (KiB) 343732

[startup+1.3017 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 3421
/proc/meminfo: memFree=1761464/2055920 swapFree=4191900/4192956
[pid=3420] ppid=3418 vsize=343732 CPUtime=1.29
/proc/3420/stat : 3420 (iPAWS) R 3418 3420 2921 0 -1 4194304 4770 0 0 0 125 4 0 0 25 0 1 0 92898431 351981568 4754 1992294400 134512640 135114423 4294956208 18446744073709551615 134533181 0 0 4096 0 0 0 0 17 1 0 0
/proc/3420/statm: 85933 4754 54 146 0 85785 0
Current children cumulated CPU time (s) 1.29
Current children cumulated vsize (KiB) 343732

Child status: 255
Real time (s): 1.36468
CPU time (s): 1.36379
CPU user time (s): 1.3138
CPU system time (s): 0.049992
CPU usage (%): 99.9348
Max. virtual memory (cumulated for all children) (KiB): 343732

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.3138
system time used= 0.049992
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4962
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= 3

runsolver used 0.003999 second user time and 0.013997 second system time

The end

Launcher Data 

Begin job on node64 at 2009-04-25 10:38:35
IDJOB=1719701
IDBENCH=69571
IDSOLVER=516
FILE ID=node64/1719701-1240648711
PBS_JOBID= 9186458
Free space on /tmp= 66100 MiB

SOLVER NAME= iPAWS 2009-03-22
BENCH NAME= SAT_RACE08/cnf/velev-vliw-uns-4.0-9-i1.cnf
COMMAND LINE= HOME/iPAWS BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1719701-1240648711/watcher-1719701-1240648711 -o /tmp/evaluation-result-1719701-1240648711/solver-1719701-1240648711 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/iPAWS HOME/instance-1719701-1240648711.cnf 303766195

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

MD5SUM BENCH= 590cca3a58efdeb1c95ef988a53daa1d
RANDOM SEED=303766195

node64.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		: 3000.218
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		: 3000.218
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:       1780832 kB
Buffers:          9808 kB
Cached:         195348 kB
SwapCached:          0 kB
Active:          75640 kB
Inactive:       143032 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1780832 kB
SwapTotal:     4192956 kB
SwapFree:      4191900 kB
Dirty:           69360 kB
Writeback:           0 kB
Mapped:          22320 kB
Slab:            42124 kB
Committed_AS:   249604 kB
PageTables:       1392 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66096 MiB
End job on node64 at 2009-04-25 10:38:37