Trace number 2067004

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
bpsolver 09SAT 4.38833 4.51159

General information on the benchmark

Namecsp/pseudo/logic-synthesis/
normalized-apex4-a.xml
MD5SUM1df25d128c07e6240cda8abcd5079c1b
Bench CategoryN-ARY-INT (n-ary constraints in intension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark2.00569
Satisfiable
(Un)Satisfiability was proved
Number of variables4316
Number of constraints11739
Maximum constraint arity160
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension11739
Global constraints used (with number of constraints)

Solver Data 

0.00/0.02	c bpsolver version 6.29.2009
0.00/0.02	c converting(HOME/instance-2067004-1247343766)
3.66/3.73	c Converted in 1641 ms
4.15/4.23	c solving(HOME/instance-2067004-1247343766,1800000)
4.15/4.23	c solving(HOME/instance-2067004-1247343766,1800000)
4.24/4.38	c (ffc_inout)
4.24/4.38	s SATISFIABLE
4.24/4.38	v 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 1 1 1 0 1 0 0 0 1 0 0 0 0 1 0 0 0 0 0 1 0 0 0 1 0 0 1 0 0 1 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 1 0 0 1 0 0 0 0 0 0 0 0 1 1 0 0 1 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 1 1 1 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 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4.37/4.50	
4.37/4.50	c Time=636 ms Backtracks=21
4.37/4.50

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-2067004-1247343766/watcher-2067004-1247343766 -o /tmp/evaluation-result-2067004-1247343766/solver-2067004-1247343766 -C 1800 -W 2000 -M 900 HOME/solver HOME/instance-2067004-1247343766 1800 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2000 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 921600 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 972800 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.99 2.00 2.00 4/83 15642
/proc/meminfo: memFree=1384024/2055920 swapFree=4192812/4192956
[pid=15642] ppid=15640 vsize=5256 CPUtime=0
/proc/15642/stat : 15642 (sh) R 15640 15642 14121 0 -1 4194304 61 0 0 0 0 0 0 0 20 0 1 0 21439927 5382144 45 996147200 4194304 4889804 548682068864 18446744073709551615 251252481779 0 0 4096 0 0 0 0 17 1 0 0
/proc/15642/statm: 1314 45 34 169 0 13 0

[startup+0.0850019 s]
/proc/loadavg: 1.99 2.00 2.00 4/83 15642
/proc/meminfo: memFree=1384024/2055920 swapFree=4192812/4192956
[pid=15642] ppid=15640 vsize=62208 CPUtime=0.07
/proc/15642/stat : 15642 (bprolog) R 15640 15642 14121 0 -1 4194304 1217 0 0 0 4 3 0 0 20 0 1 0 21439927 63700992 930 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/15642/statm: 15552 930 174 144 0 15036 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 62208

[startup+0.102001 s]
/proc/loadavg: 1.99 2.00 2.00 4/83 15642
/proc/meminfo: memFree=1384024/2055920 swapFree=4192812/4192956
[pid=15642] ppid=15640 vsize=62208 CPUtime=0.09
/proc/15642/stat : 15642 (bprolog) R 15640 15642 14121 0 -1 4194304 1253 0 0 0 5 4 0 0 20 0 1 0 21439927 63700992 966 996147200 134512640 135105188 4294956096 18446744073709551615 134598072 0 0 4096 2 0 0 0 17 1 0 0
/proc/15642/statm: 15552 966 174 144 0 15036 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 62208

[startup+0.301023 s]
/proc/loadavg: 1.99 2.00 2.00 4/83 15642
/proc/meminfo: memFree=1384024/2055920 swapFree=4192812/4192956
[pid=15642] ppid=15640 vsize=70244 CPUtime=0.28
/proc/15642/stat : 15642 (bprolog) R 15640 15642 14121 0 -1 4194304 1688 0 0 0 12 16 0 0 21 0 1 0 21439927 71929856 1401 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 0 0 0 17 1 0 0
/proc/15642/statm: 17561 1401 175 144 0 17045 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 70244

[startup+0.701066 s]
/proc/loadavg: 1.99 2.00 2.00 4/83 15642
/proc/meminfo: memFree=1384024/2055920 swapFree=4192812/4192956
[pid=15642] ppid=15640 vsize=70244 CPUtime=0.68
/proc/15642/stat : 15642 (bprolog) R 15640 15642 14121 0 -1 4194304 1708 0 0 0 34 34 0 0 25 0 1 0 21439927 71929856 1421 996147200 134512640 135105188 4294956096 18446744073709551615 134652052 0 0 4096 2 0 0 0 17 1 0 0
/proc/15642/statm: 17561 1421 178 144 0 17045 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 70244

[startup+1.50116 s]
/proc/loadavg: 1.99 2.00 2.00 3/84 15643
/proc/meminfo: memFree=1378576/2055920 swapFree=4192812/4192956
[pid=15642] ppid=15640 vsize=70244 CPUtime=1.47
/proc/15642/stat : 15642 (bprolog) R 15640 15642 14121 0 -1 4194304 1721 0 0 0 72 75 0 0 25 0 1 0 21439927 71929856 1434 996147200 134512640 135105188 4294956096 18446744073709551615 134570706 0 0 4096 2 0 0 0 17 1 0 0
/proc/15642/statm: 17561 1434 178 144 0 17045 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 70244

[startup+3.10133 s]
/proc/loadavg: 1.99 2.00 2.00 3/84 15643
/proc/meminfo: memFree=1377936/2055920 swapFree=4192812/4192956
[pid=15642] ppid=15640 vsize=70244 CPUtime=3.06
/proc/15642/stat : 15642 (bprolog) R 15640 15642 14121 0 -1 4194304 1724 0 0 0 140 166 0 0 25 0 1 0 21439927 71929856 1437 996147200 134512640 135105188 4294956096 18446744073709551615 134561667 0 0 4096 2 0 0 0 17 1 0 0
/proc/15642/statm: 17561 1437 178 144 0 17045 0
Current children cumulated CPU time (s) 3.06
Current children cumulated vsize (KiB) 70244

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

[startup+3.90142 s]
/proc/loadavg: 1.99 2.00 2.00 3/84 15643
/proc/meminfo: memFree=1377616/2055920 swapFree=4192812/4192956
[pid=15642] ppid=15640 vsize=70240 CPUtime=3.85
/proc/15642/stat : 15642 (bprolog) R 15640 15642 14121 0 -1 4194304 2669 0 0 0 181 204 0 0 25 0 1 0 21439927 71925760 2380 996147200 134512640 135105188 4294956096 18446744073709551615 134557556 0 0 4096 2 0 0 0 17 1 0 0
/proc/15642/statm: 17560 2380 180 144 0 17044 0
Current children cumulated CPU time (s) 3.85
Current children cumulated vsize (KiB) 70240

[startup+4.30147 s]
/proc/loadavg: 1.99 2.00 2.00 3/84 15643
/proc/meminfo: memFree=1361296/2055920 swapFree=4192812/4192956
[pid=15642] ppid=15640 vsize=70236 CPUtime=4.24
/proc/15642/stat : 15642 (bprolog) R 15640 15642 14121 0 -1 4194304 5769 0 0 0 219 205 0 0 25 0 1 0 21439927 71921664 5479 996147200 134512640 135105188 4294956096 18446744073709551615 134570583 0 0 4096 2 0 0 0 17 1 0 0
/proc/15642/statm: 17559 5479 200 144 0 17043 0
Current children cumulated CPU time (s) 4.24
Current children cumulated vsize (KiB) 70236

[startup+4.50148 s]
/proc/loadavg: 1.99 2.00 2.00 3/84 15643
/proc/meminfo: memFree=1361296/2055920 swapFree=4192812/4192956
[pid=15642] ppid=15640 vsize=82276 CPUtime=4.37
/proc/15642/stat : 15642 (bprolog) R 15640 15642 14121 0 -1 4194304 7780 0 0 0 229 208 0 0 25 0 2 0 21439927 84250624 6932 996147200 134512640 135105188 4294956096 18446744073709551615 4294960144 0 0 4096 2 18446744073709551615 0 0 17 1 0 0
/proc/15642/statm: 20569 6932 207 144 0 20053 0
Current children cumulated CPU time (s) 4.37
Current children cumulated vsize (KiB) 82276

Child status: 0
Real time (s): 4.51159
CPU time (s): 4.38833
CPU user time (s): 2.29465
CPU system time (s): 2.09368
CPU usage (%): 97.268
Max. virtual memory (cumulated for all children) (KiB): 82276

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.29465
system time used= 2.09368
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 7780
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= 5
involuntary context switches= 4534

runsolver used 0.038994 second user time and 0.06199 second system time

The end

Launcher Data 

Begin job on node64 at 2009-07-11 22:22:46
IDJOB=2067004
IDBENCH=54594
IDSOLVER=770
FILE ID=node64/2067004-1247343766
PBS_JOBID= 9506753
Free space on /tmp= 66320 MiB

SOLVER NAME= bpsolver 09
BENCH NAME= CPAI08/csp/pseudo/logic-synthesis/normalized-apex4-a.xml
COMMAND LINE= HOME/solver BENCHNAMENOEXT TIMEOUT
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2067004-1247343766/watcher-2067004-1247343766 -o /tmp/evaluation-result-2067004-1247343766/solver-2067004-1247343766 -C 1800 -W 2000 -M 900  HOME/solver HOME/instance-2067004-1247343766 1800

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 1df25d128c07e6240cda8abcd5079c1b
RANDOM SEED=1940300362

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		: 3000.220
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		: 3000.220
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:       1384504 kB
Buffers:         47844 kB
Cached:         429984 kB
SwapCached:        144 kB
Active:         216924 kB
Inactive:       401756 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1384504 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            3560 kB
Writeback:           0 kB
Mapped:         156348 kB
Slab:            37588 kB
Committed_AS:   887004 kB
PageTables:       2020 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= 66320 MiB
End job on node64 at 2009-07-11 22:22:51