Trace number 205847

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 2007-01-08UNSAT 28.8076 29.0053

General information on the benchmark

Namefapp/fapp36-40/fapp38/
fapp38-2500-1.xml
MD5SUMd9a5d0f42873de31e4aba17b1bc51fb2
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark16.1165
SatisfiableNO
(Un)Satisfiability was provedNO
Number of variables2500
Number of constraints62132
Maximum constraint arity2
Maximum domain size698
Number of constraints which are defined in extension0
Number of constraints which are defined in intension62132
Global constraints used (with number of constraints)

Solver Data (download as text)

c 
c 
c 
c solution file
c 
c 

UNSAT

Verifier Data (download as text)

No possible verification on an UNSAT instance

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node6/watcher-205847-1168293706 -o ROOT/results/node6/solver-205847-1168293706 -C 1800 -M 900 /tmp/evaluation/205847-1168293706/solver2 /tmp/evaluation/205847-1168293706/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: 1.23 1.12 1.11 5/93 15316
/proc/meminfo: memFree=1201376/2055924 swapFree=4165672/4192956
[pid=15315] ppid=15313 vsize=5212 CPUtime=0
/proc/15315/stat : 15315 (solver2) R 15313 15315 10343 0 -1 4194304 100 0 0 0 0 0 0 0 21 0 1 0 177766185 5337088 73 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 268582412362 0 0 4096 0 0 0 0 17 1 0 0
/proc/15315/statm: 1303 73 56 169 0 14 0

[startup+0.104163 s]
/proc/loadavg: 1.23 1.12 1.11 5/93 15316
/proc/meminfo: memFree=1201376/2055924 swapFree=4165672/4192956
[pid=15315] ppid=15313 vsize=5352 CPUtime=0
/proc/15315/stat : 15315 (solver2) S 15313 15315 10343 0 -1 4194304 353 334 0 0 0 0 0 0 23 0 1 0 177766185 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 268582839108 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/15315/statm: 1338 242 203 169 0 49 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5352

[startup+0.512207 s]
/proc/loadavg: 1.23 1.12 1.11 5/93 15316
/proc/meminfo: memFree=1201376/2055924 swapFree=4165672/4192956
[pid=15315] ppid=15313 vsize=5352 CPUtime=0
/proc/15315/stat : 15315 (solver2) S 15313 15315 10343 0 -1 4194304 353 334 0 0 0 0 0 0 23 0 1 0 177766185 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 268582839108 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/15315/statm: 1338 242 203 169 0 49 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5352

[startup+1.3333 s]
/proc/loadavg: 1.23 1.12 1.11 3/94 15328
/proc/meminfo: memFree=1181080/2055924 swapFree=4165672/4192956
[pid=15315] ppid=15313 vsize=5352 CPUtime=0.92
/proc/15315/stat : 15315 (solver2) S 15313 15315 10343 0 -1 4194304 376 3172 0 0 0 0 83 9 16 0 1 0 177766185 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 268582839108 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/15315/statm: 1338 242 203 169 0 49 0
[pid=15328] ppid=15315 vsize=18300 CPUtime=0.36
/proc/15328/stat : 15328 (bordewijk) R 15315 15315 10343 0 -1 4194304 4077 0 0 0 33 3 0 0 20 0 1 0 177766279 18739200 4049 18446744073709551615 134512640 134912576 4294956752 18446744073709551615 2618673 0 0 4096 0 0 0 0 17 1 0 0
/proc/15328/statm: 4575 4049 204 97 0 3856 0
Current children cumulated CPU time (s) 1.28
Current children cumulated vsize (KiB) 23652

[startup+2.9715 s]
/proc/loadavg: 1.23 1.12 1.11 3/94 15330
/proc/meminfo: memFree=1129240/2055924 swapFree=4165672/4192956
[pid=15315] ppid=15313 vsize=5352 CPUtime=0.92
/proc/15315/stat : 15315 (solver2) S 15313 15315 10343 0 -1 4194304 376 3172 0 0 0 0 83 9 16 0 1 0 177766185 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 268582839108 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/15315/statm: 1338 242 203 169 0 49 0
[pid=15328] ppid=15315 vsize=83904 CPUtime=1.98
/proc/15328/stat : 15328 (bordewijk) R 15315 15315 10343 0 -1 4194304 20474 0 0 0 182 16 0 0 25 0 1 0 177766279 85917696 20446 18446744073709551615 134512640 134912576 4294956752 18446744073709551615 2621965 0 0 4096 0 0 0 0 17 1 0 0
/proc/15328/statm: 20976 20446 204 97 0 20257 0
Current children cumulated CPU time (s) 2.9
Current children cumulated vsize (KiB) 89256

[startup+6.25388 s]
/proc/loadavg: 1.29 1.13 1.11 3/94 15332
/proc/meminfo: memFree=986136/2055924 swapFree=4165672/4192956
[pid=15315] ppid=15313 vsize=5352 CPUtime=0.92
/proc/15315/stat : 15315 (solver2) S 15313 15315 10343 0 -1 4194304 376 3172 0 0 0 0 83 9 16 0 1 0 177766185 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 268582839108 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/15315/statm: 1338 242 203 169 0 49 0
[pid=15328] ppid=15315 vsize=196676 CPUtime=5.24
/proc/15328/stat : 15328 (bordewijk) R 15315 15315 10343 0 -1 4194304 48675 0 0 0 488 36 0 0 25 0 1 0 177766279 201396224 48645 18446744073709551615 134512640 134912576 4294956752 18446744073709551615 134806399 0 0 4096 0 0 0 0 17 1 0 0
/proc/15328/statm: 49169 48645 211 97 0 48450 0
Current children cumulated CPU time (s) 6.16
Current children cumulated vsize (KiB) 202028

[startup+12.7306 s]
/proc/loadavg: 1.35 1.15 1.12 3/94 15336
/proc/meminfo: memFree=669976/2055924 swapFree=4165672/4192956
[pid=15315] ppid=15313 vsize=5352 CPUtime=0.92
/proc/15315/stat : 15315 (solver2) S 15313 15315 10343 0 -1 4194304 376 3172 0 0 0 0 83 9 16 0 1 0 177766185 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 268582839108 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/15315/statm: 1338 242 203 169 0 49 0
[pid=15328] ppid=15315 vsize=456332 CPUtime=11.66
/proc/15328/stat : 15328 (bordewijk) R 15315 15315 10343 0 -1 4194304 125441 0 0 0 824 342 0 0 25 0 1 0 177766279 467283968 111901 18446744073709551615 134512640 134912576 4294956752 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/15328/statm: 114083 111901 217 97 0 113364 0
Current children cumulated CPU time (s) 12.58
Current children cumulated vsize (KiB) 461684

[startup+25.5662 s]
/proc/loadavg: 1.48 1.19 1.13 2/88 15362
/proc/meminfo: memFree=1319688/2055924 swapFree=4165672/4192956
[pid=15315] ppid=15313 vsize=5352 CPUtime=22.2
/proc/15315/stat : 15315 (solver2) S 15313 15315 10343 0 -1 4194304 397 128614 0 0 0 0 964 1256 16 0 1 0 177766185 5480448 242 18446744073709551615 4194304 4889804 548682069328 18446744073709551615 268582839108 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/15315/statm: 1338 242 203 169 0 49 0
[pid=15356] ppid=15315 vsize=263848 CPUtime=3.16
/proc/15356/stat : 15356 (standalone) R 15315 15315 10343 0 -1 4194304 23312 0 0 0 89 227 0 0 25 0 1 0 177768423 270180352 22061 18446744073709551615 134512640 134775488 4294956880 18446744073709551615 2653911 0 0 4096 0 0 0 0 17 1 0 0
/proc/15356/statm: 65962 22061 129 64 0 65277 0
Current children cumulated CPU time (s) 25.36
Current children cumulated vsize (KiB) 269200

Child status: 0
Real time (s): 29.0053
CPU time (s): 28.8076
CPU user time (s): 13.263
CPU system time (s): 15.5446
CPU usage (%): 99.3186
Max. virtual memory (cumulated for all children) (KiB): 461684

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 13.263
system time used= 15.5446
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 194021
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= 1251
involuntary context switches= 1782

runsolver used 0.039993 s user time and 0.094985 s system time

The end

Launcher Data (download as text)

Begin job on node6 on Mon Jan  8 22:01:48 UTC 2007


IDJOB= 205847
IDBENCH= 4171
FILE ID= node6/205847-1168293706

PBS_JOBID= 3501827

Free space on /tmp= 66464 MiB

BENCH NAME= HOME/pub/bench/CPAI06/fapp/fapp36-40/fapp38/fapp38-2500-1.xml
COMMAND LINE= /tmp/evaluation/205847-1168293706/solver2 /tmp/evaluation/205847-1168293706/unknown 1800
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node6/watcher-205847-1168293706 -o ROOT/results/node6/solver-205847-1168293706 -C 1800 -M 900  /tmp/evaluation/205847-1168293706/solver2 /tmp/evaluation/205847-1168293706/unknown 1800

META MD5SUM SOLVER= 2182e29fee250f6e45b9a85a6429fa3a
MD5SUM BENCH=  d9a5d0f42873de31e4aba17b1bc51fb2

RANDOM SEED= 269104691

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		: 3000.240
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		: 3000.240
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:      2055924 kB
MemFree:       1201920 kB
Buffers:         81276 kB
Cached:         422516 kB
SwapCached:       2944 kB
Active:         580056 kB
Inactive:       210268 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055924 kB
LowFree:       1201920 kB
SwapTotal:     4192956 kB
SwapFree:      4165672 kB
Dirty:           47852 kB
Writeback:           0 kB
Mapped:         297360 kB
Slab:            47616 kB
Committed_AS:  5817168 kB
PageTables:       3104 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= 66478 MiB



End job on node6 on Mon Jan  8 22:02:17 UTC 2007