Trace number 209626

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, and are wall clock time (not CPU 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
buggy_2_5_s 2007-01-08SAT 69.6014 69.6996

General information on the benchmark

Namefapp/fapp26-30/fapp28/
fapp28-2800-10.xml
MD5SUM2a510cad7dfac736b737121c9f0fe12e
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark37.0364
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables2800
Number of constraints22569
Maximum constraint arity2
Maximum domain size998
Number of constraints which are defined in extension0
Number of constraints which are defined in intension22569
Global constraints used (with number of constraints)

Solver Data (download as text)

c 
c 
c 
c solution file
c 
c 

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Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.1.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node2/watcher-209626-1168294491 -o ROOT/results/node2/solver-209626-1168294491 -C 1800 -M 900 /tmp/evaluation/209626-1168294491/solver2 /tmp/evaluation/209626-1168294491/unknown 1800 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 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

/proc/loadavg: 2.12 2.02 1.92 5/87 1989
/proc/meminfo: memFree=1371880/2055920 swapFree=4191880/4192956
[pid=1988] ppid=1986 vsize=5352 CPUtime=0
/proc/1988/stat : 1988 (solver2) R 1986 1988 28020 0 -1 4194304 280 0 0 0 0 0 0 0 21 0 1 0 177844945 5480448 231 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 206381312671 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/1988/statm: 1338 231 193 169 0 49 0
[pid=1990] ppid=1988 vsize=5352 CPUtime=0
/proc/1990/stat : 1990 (solver2) R 1988 1988 28020 0 -1 4194368 14 0 0 0 0 0 0 0 21 0 1 0 177844946 5480448 232 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 4412747 0 0 4100 65536 0 0 0 17 1 0 0
/proc/1990/statm: 1338 232 194 169 0 49 0
[pid=1991] ppid=1988 vsize=5352 CPUtime=0
/proc/1991/stat : 1991 (solver2) R 1988 1988 28020 0 -1 4194368 0 0 0 0 0 0 0 0 21 0 1 0 177844946 5480448 231 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 206381312671 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/1991/statm: 1338 231 193 169 0 49 0

[startup+0.105049 s]
/proc/loadavg: 2.12 2.02 1.92 5/87 1989
/proc/meminfo: memFree=1371880/2055920 swapFree=4191880/4192956
[pid=1988] ppid=1986 vsize=5352 CPUtime=0
/proc/1988/stat : 1988 (solver2) S 1986 1988 28020 0 -1 4194304 353 334 0 0 0 0 0 0 22 0 1 0 177844945 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 206381310788 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/1988/statm: 1338 242 203 169 0 49 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5352

[startup+0.514126 s]
/proc/loadavg: 2.12 2.02 1.92 5/87 1989
/proc/meminfo: memFree=1371880/2055920 swapFree=4191880/4192956
[pid=1988] ppid=1986 vsize=5352 CPUtime=0.34
/proc/1988/stat : 1988 (solver2) S 1986 1988 28020 0 -1 4194304 376 2622 0 0 0 0 31 3 15 0 1 0 177844945 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 206381310788 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/1988/statm: 1338 242 203 169 0 49 0
Current children cumulated CPU time (s) 0.34
Current children cumulated vsize (KiB) 5352

[startup+1.34128 s]
/proc/loadavg: 2.12 2.02 1.92 3/88 2002
/proc/meminfo: memFree=1330528/2055920 swapFree=4191880/4192956
[pid=1988] ppid=1986 vsize=5352 CPUtime=0.34
/proc/1988/stat : 1988 (solver2) S 1986 1988 28020 0 -1 4194304 376 2622 0 0 0 0 31 3 15 0 1 0 177844945 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 206381310788 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/1988/statm: 1338 242 203 169 0 49 0
[pid=2002] ppid=1988 vsize=42188 CPUtime=0.95
/proc/2002/stat : 2002 (bordewijk) R 1988 1988 28020 0 -1 4194304 10031 0 0 0 88 7 0 0 25 0 1 0 177844983 43200512 10003 18446744073709551615 134512640 134912576 4294956752 18446744073709551615 10968858 0 0 4096 0 0 0 0 17 1 0 0
/proc/2002/statm: 10547 10003 204 97 0 9828 0
Current children cumulated CPU time (s) 1.29
Current children cumulated vsize (KiB) 47540

[startup+2.97858 s]
/proc/loadavg: 2.11 2.02 1.92 3/88 2002
/proc/meminfo: memFree=1283104/2055920 swapFree=4191880/4192956
[pid=1988] ppid=1986 vsize=5352 CPUtime=0.34
/proc/1988/stat : 1988 (solver2) S 1986 1988 28020 0 -1 4194304 376 2622 0 0 0 0 31 3 15 0 1 0 177844945 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 206381310788 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/1988/statm: 1338 242 203 169 0 49 0
[pid=2002] ppid=1988 vsize=79520 CPUtime=2.58
/proc/2002/stat : 2002 (bordewijk) R 1988 1988 28020 0 -1 4194304 21063 0 0 0 239 19 0 0 25 0 1 0 177844983 81428480 19337 18446744073709551615 134512640 134912576 4294956752 18446744073709551615 134738274 0 0 4096 0 0 0 0 17 1 0 0
/proc/2002/statm: 19880 19337 211 97 0 19161 0
Current children cumulated CPU time (s) 2.92
Current children cumulated vsize (KiB) 84872

[startup+6.26519 s]
/proc/loadavg: 2.11 2.02 1.92 3/88 2002
/proc/meminfo: memFree=1090656/2055920 swapFree=4191880/4192956
[pid=1988] ppid=1986 vsize=5352 CPUtime=0.34
/proc/1988/stat : 1988 (solver2) S 1986 1988 28020 0 -1 4194304 376 2622 0 0 0 0 31 3 15 0 1 0 177844945 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 206381310788 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/1988/statm: 1338 242 203 169 0 49 0
[pid=2002] ppid=1988 vsize=257312 CPUtime=5.85
/proc/2002/stat : 2002 (bordewijk) R 1988 1988 28020 0 -1 4194304 66770 0 0 0 297 288 0 0 25 0 1 0 177844983 263487488 61576 18446744073709551615 134512640 134912576 4294956752 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/2002/statm: 64328 61576 217 97 0 63609 0
Current children cumulated CPU time (s) 6.19
Current children cumulated vsize (KiB) 262664

[startup+12.6852 s]
/proc/loadavg: 2.09 2.02 1.92 3/88 2002
/proc/meminfo: memFree=1078240/2055920 swapFree=4191880/4192956
[pid=1988] ppid=1986 vsize=5352 CPUtime=0.34
/proc/1988/stat : 1988 (solver2) S 1986 1988 28020 0 -1 4194304 376 2622 0 0 0 0 31 3 15 0 1 0 177844945 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 206381310788 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/1988/statm: 1338 242 203 169 0 49 0
[pid=2002] ppid=1988 vsize=257312 CPUtime=12.26
/proc/2002/stat : 2002 (bordewijk) R 1988 1988 28020 0 -1 4194304 66770 0 0 0 326 900 0 0 25 0 1 0 177844983 263487488 61576 18446744073709551615 134512640 134912576 4294956752 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/2002/statm: 64328 61576 217 97 0 63609 0
Current children cumulated CPU time (s) 12.6
Current children cumulated vsize (KiB) 262664

[startup+25.5095 s]
/proc/loadavg: 2.08 2.02 1.92 3/88 2004
/proc/meminfo: memFree=1329568/2055920 swapFree=4191880/4192956
[pid=1988] ppid=1986 vsize=5352 CPUtime=21.3
/proc/1988/stat : 1988 (solver2) S 1986 1988 28020 0 -1 4194304 397 69393 0 0 0 0 406 1724 16 0 1 0 177844945 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 206381310788 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/1988/statm: 1338 242 203 169 0 49 0
[pid=2004] ppid=1988 vsize=186936 CPUtime=4.13
/proc/2004/stat : 2004 (standalone) R 1988 1988 28020 0 -1 4194304 22571 0 0 0 100 313 0 0 25 0 1 0 177847082 191422464 22073 18446744073709551615 134512640 134775488 4294956880 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/2004/statm: 46734 22073 129 64 0 46049 0
Current children cumulated CPU time (s) 25.43
Current children cumulated vsize (KiB) 192288

[startup+51.1692 s]
/proc/loadavg: 2.05 2.02 1.92 3/88 2004
/proc/meminfo: memFree=1215136/2055920 swapFree=4191880/4192956
[pid=1988] ppid=1986 vsize=5352 CPUtime=21.3
/proc/1988/stat : 1988 (solver2) S 1986 1988 28020 0 -1 4194304 397 69393 0 0 0 0 406 1724 16 0 1 0 177844945 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 206381310788 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/1988/statm: 1338 242 203 169 0 49 0
[pid=2004] ppid=1988 vsize=187012 CPUtime=29.78
/proc/2004/stat : 2004 (standalone) R 1988 1988 28020 0 -1 4194304 46424 0 0 0 2596 382 0 0 25 0 1 0 177847082 191500288 45909 18446744073709551615 134512640 134775488 4294956880 18446744073709551615 3976816018 0 0 4096 0 0 0 0 17 1 0 0
/proc/2004/statm: 46753 45909 137 64 0 46068 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 192364

Child status: 0
Real time (s): 69.6996
CPU time (s): 69.6014
CPU user time (s): 48.4836
CPU system time (s): 21.1178
CPU usage (%): 99.8592
Max. virtual memory (cumulated for all children) (KiB): 262664

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 48.4836
system time used= 21.1178
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 116392
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= 498
involuntary context switches= 741

runsolver used 0.06399 s user time and 0.19697 s system time

The end

Launcher Data (download as text)

Begin job on node2 on Mon Jan  8 22:14:53 UTC 2007


IDJOB= 209626
IDBENCH= 4550
FILE ID= node2/209626-1168294491

PBS_JOBID= 3501799

Free space on /tmp= 66284 MiB

BENCH NAME= HOME/pub/bench/CPAI06/fapp/fapp26-30/fapp28/fapp28-2800-10.xml
COMMAND LINE= /tmp/evaluation/209626-1168294491/solver2 /tmp/evaluation/209626-1168294491/unknown 1800
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node2/watcher-209626-1168294491 -o ROOT/results/node2/solver-209626-1168294491 -C 1800 -M 900  /tmp/evaluation/209626-1168294491/solver2 /tmp/evaluation/209626-1168294491/unknown 1800

META MD5SUM SOLVER= 2182e29fee250f6e45b9a85a6429fa3a
MD5SUM BENCH=  2a510cad7dfac736b737121c9f0fe12e

RANDOM SEED= 406417998

TIME LIMIT= 1800 seconds

MEMORY LIMIT= 900 MiB


/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	: 5931.00
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	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1372424 kB
Buffers:         57908 kB
Cached:         267048 kB
SwapCached:        288 kB
Active:         527320 kB
Inactive:       104620 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1372424 kB
SwapTotal:     4192956 kB
SwapFree:      4191880 kB
Dirty:           58316 kB
Writeback:           0 kB
Mapped:         326592 kB
Slab:            35872 kB
Committed_AS:  4896412 kB
PageTables:       2872 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= 66296 MiB



End job on node2 on Mon Jan  8 22:16:03 UTC 2007