Trace number 209770

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 17.2064 17.3374

General information on the benchmark

Namefapp/fapp26-30/fapp26/
fapp26-2300-10.xml
MD5SUMb0024dc7fcc7e8fbf636a4da6fca16c3
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 benchmark13.145
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables2300
Number of constraints24253
Maximum constraint arity2
Maximum domain size302
Number of constraints which are defined in extension0
Number of constraints which are defined in intension24253
Global constraints used (with number of constraints)

Solver Data (download as text)

c 
c 
c 
c solution file
c 
c 

SAT
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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/node1/watcher-209770-1168294541 -o ROOT/results/node1/solver-209770-1168294541 -C 1800 -M 900 /tmp/evaluation/209770-1168294541/solver2 /tmp/evaluation/209770-1168294541/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
/proc/loadavg: 1.19 1.38 1.41 6/88 10347
/proc/meminfo: memFree=1253400/2055920 swapFree=4165612/4192956
[pid=10346] ppid=10336 vsize=18540 CPUtime=0
/proc/10346/stat : 10346 (runsolver) R 10336 8954 8954 0 -1 4194368 10 0 0 0 0 0 0 0 19 0 1 0 177850103 18984960 277 18446744073709551615 4194304 4267372 548682069072 18446744073709551615 259350658546 0 0 4096 24578 0 0 0 17 1 0 0
/proc/10346/statm: 4635 277 242 17 0 2626 0
Current StackSize limit: 10240 KiB


[startup+0.107284 s]
/proc/loadavg: 1.19 1.38 1.41 6/88 10347
/proc/meminfo: memFree=1253400/2055920 swapFree=4165612/4192956
[pid=10346] ppid=10336 vsize=5352 CPUtime=0
/proc/10346/stat : 10346 (solver2) S 10336 10346 8954 0 -1 4194304 353 334 0 0 0 0 0 0 21 0 1 0 177850103 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 259353273156 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/10346/statm: 1338 242 203 169 0 49 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5352

[startup+0.515331 s]
/proc/loadavg: 1.19 1.38 1.41 6/88 10347
/proc/meminfo: memFree=1253400/2055920 swapFree=4165612/4192956
[pid=10346] ppid=10336 vsize=5352 CPUtime=0
/proc/10346/stat : 10346 (solver2) S 10336 10346 8954 0 -1 4194304 353 334 0 0 0 0 0 0 21 0 1 0 177850103 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 259353273156 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/10346/statm: 1338 242 203 169 0 49 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5352

[startup+1.33643 s]
/proc/loadavg: 1.19 1.38 1.41 3/88 10366
/proc/meminfo: memFree=1181016/2055920 swapFree=4165612/4192956
[pid=10346] ppid=10336 vsize=5352 CPUtime=0.51
/proc/10346/stat : 10346 (solver2) S 10336 10346 8954 0 -1 4194304 376 2628 0 0 0 0 46 5 15 0 1 0 177850103 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 259353273156 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/10346/statm: 1338 242 203 169 0 49 0
[pid=10366] ppid=10346 vsize=36648 CPUtime=0.79
/proc/10366/stat : 10366 (bordewijk) R 10346 10346 8954 0 -1 4194304 8648 0 0 0 74 5 0 0 24 0 1 0 177850155 37527552 8620 18446744073709551615 134512640 134912576 4294956752 18446744073709551615 134544940 0 0 4096 0 0 0 0 17 1 0 0
/proc/10366/statm: 9162 8620 204 97 0 8443 0
Current children cumulated CPU time (s) 1.3
Current children cumulated vsize (KiB) 42000

[startup+2.97362 s]
/proc/loadavg: 1.19 1.38 1.41 3/88 10366
/proc/meminfo: memFree=1079256/2055920 swapFree=4165612/4192956
[pid=10346] ppid=10336 vsize=5352 CPUtime=0.51
/proc/10346/stat : 10346 (solver2) S 10336 10346 8954 0 -1 4194304 376 2628 0 0 0 0 46 5 15 0 1 0 177850103 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 259353273156 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/10346/statm: 1338 242 203 169 0 49 0
[pid=10366] ppid=10346 vsize=80524 CPUtime=2.43
/proc/10366/stat : 10366 (bordewijk) R 10346 10346 8954 0 -1 4194304 21339 0 0 0 226 17 0 0 25 0 1 0 177850155 82456576 19608 18446744073709551615 134512640 134912576 4294956752 18446744073709551615 134561629 0 0 4096 0 0 0 0 17 1 0 0
/proc/10366/statm: 20131 19608 211 97 0 19412 0
Current children cumulated CPU time (s) 2.94
Current children cumulated vsize (KiB) 85876

[startup+6.25281 s]
/proc/loadavg: 1.33 1.40 1.42 3/88 10366
/proc/meminfo: memFree=906328/2055920 swapFree=4165612/4192956
[pid=10346] ppid=10336 vsize=5352 CPUtime=0.51
/proc/10346/stat : 10346 (solver2) S 10336 10346 8954 0 -1 4194304 376 2628 0 0 0 0 46 5 15 0 1 0 177850103 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 259353273156 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/10346/statm: 1338 242 203 169 0 49 0
[pid=10366] ppid=10346 vsize=148388 CPUtime=5.68
/proc/10366/stat : 10366 (bordewijk) R 10346 10346 8954 0 -1 4194304 41018 0 0 0 302 266 0 0 18 0 1 0 177850155 151949312 35787 18446744073709551615 134512640 134912576 4294956752 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/10366/statm: 37097 35787 217 97 0 36378 0
Current children cumulated CPU time (s) 6.19
Current children cumulated vsize (KiB) 153740

[startup+12.7218 s]
/proc/loadavg: 1.39 1.41 1.42 3/88 10368
/proc/meminfo: memFree=1073328/2055920 swapFree=4165612/4192956
[pid=10346] ppid=10336 vsize=5352 CPUtime=10.47
/proc/10346/stat : 10346 (solver2) S 10336 10346 8954 0 -1 4194304 397 43647 0 0 0 0 369 678 16 0 1 0 177850103 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 259353273156 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/10346/statm: 1338 242 203 169 0 49 0
[pid=10368] ppid=10346 vsize=72868 CPUtime=2.13
/proc/10368/stat : 10368 (standalone) R 10346 10346 8954 0 -1 4194304 17413 0 0 0 81 132 0 0 25 0 1 0 177851159 74616832 16856 18446744073709551615 134512640 134775488 4294956880 18446744073709551615 4095141314 0 0 4096 0 0 0 0 17 1 0 0
/proc/10368/statm: 18217 16856 136 64 0 17532 0
Current children cumulated CPU time (s) 12.6
Current children cumulated vsize (KiB) 78220

Child status: 0
Real time (s): 17.3374
CPU time (s): 17.2064
CPU user time (s): 9.05362
CPU system time (s): 8.15276
CPU usage (%): 99.2441
Max. virtual memory (cumulated for all children) (KiB): 153740

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 9.05362
system time used= 8.15276
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 62186
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= 581
involuntary context switches= 735

runsolver used 0.016997 s user time and 0.057991 s system time

The end

Launcher Data (download as text)

Begin job on node1 on Mon Jan  8 22:15:42 UTC 2007


IDJOB= 209770
IDBENCH= 4559
FILE ID= node1/209770-1168294541

PBS_JOBID= 3501895

Free space on /tmp= 66287 MiB

BENCH NAME= HOME/pub/bench/CPAI06/fapp/fapp26-30/fapp26/fapp26-2300-10.xml
COMMAND LINE= /tmp/evaluation/209770-1168294541/solver2 /tmp/evaluation/209770-1168294541/unknown 1800
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node1/watcher-209770-1168294541 -o ROOT/results/node1/solver-209770-1168294541 -C 1800 -M 900  /tmp/evaluation/209770-1168294541/solver2 /tmp/evaluation/209770-1168294541/unknown 1800

META MD5SUM SOLVER= 2182e29fee250f6e45b9a85a6429fa3a
MD5SUM BENCH=  b0024dc7fcc7e8fbf636a4da6fca16c3

RANDOM SEED= 176586119

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		: 3000.234
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		: 3000.234
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:       1254184 kB
Buffers:         76208 kB
Cached:         624244 kB
SwapCached:       3620 kB
Active:         360480 kB
Inactive:       378920 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1254184 kB
SwapTotal:     4192956 kB
SwapFree:      4165612 kB
Dirty:           27860 kB
Writeback:           0 kB
Mapped:          48916 kB
Slab:            47224 kB
Committed_AS:  5450608 kB
PageTables:       2260 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= 66242 MiB



End job on node1 on Mon Jan  8 22:16:01 UTC 2007