Trace number 350920

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 NameAnswerObjective functionCPU timeWall clock time
minisat+ 1.14Signal 6.74697 6.7751

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/reduced/mps-v2-20-10/plato.asu.edu/
pub/unibo/normalized-reduced-mps-v2-20-10-rail507.opb
MD5SUM1d990dd8841615caa29b3d304bde4f0b
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark153
Best CPU time to get the best result obtained on this benchmark1800.17
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 153
Optimality of the best value was proved NO
Number of variables63009
Total number of constraints508
Number of constraints which are clauses507
Number of constraints which are cardinality constraints (but not clauses)1
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint1
Maximum length of a constraint59416
Number of terms in the objective function 63009
Biggest coefficient in the objective function 1
Number of bits for the biggest coefficient in the objective function 1
Sum of the numbers in the objective function 63009
Number of bits of the sum of numbers in the objective function 16
Biggest number in a constraint 9256
Number of bits of the biggest number in a constraint 14
Biggest sum of numbers in a constraint 68672
Number of bits of the biggest sum of numbers17
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data (download as text)

0.00/0.00	c Parsing PB file...
6.09/6.14	c Converting 495 PB-constraints to clauses...
6.09/6.18	c   -- Unit propagations: (none)
6.09/6.19	c   -- Detecting intervals from adjacent constraints: ==
6.09/6.19	c   -- Clauses(.)/Splits(s): .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
6.19/6.24	c ---[  31]--->

Verifier Data (download as text)

ERROR: no interpretation found !

Conversion Script Data (download as text)

/tmp/evaluation/350920-1176568268/instance-350920-1176568268.opb is already a linear file

Watcher Data (download as text)

runsolver version 3.2.2 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node13/watcher-350920-1176568268 -o ROOT/results/node13/solver-350920-1176568268 -C 1800 -W 3600 -M 1800 --output-limit 1,15 /tmp/evaluation/350920-1176568268/minisat+ /tmp/evaluation/350920-1176568268/instance-350920-1176568268.opb 

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): 3600 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: 0.93 1.01 1.02 3/77 16187
/proc/meminfo: memFree=1838776/2055920 swapFree=4175456/4192956
[pid=16187] ppid=16185 vsize=1352 CPUtime=0
/proc/16187/stat : 16187 (minisat+) R 16185 16187 15466 0 -1 4194304 187 0 0 0 0 0 0 0 18 0 1 0 104744682 1384448 172 18446744073709551615 134512640 135395479 4294956672 18446744073709551615 135031278 0 0 4096 16386 0 0 0 17 1 0 0
/proc/16187/statm: 338 172 67 215 0 120 0

[startup+0.00980604 s]
/proc/loadavg: 0.93 1.01 1.02 3/77 16187
/proc/meminfo: memFree=1838776/2055920 swapFree=4175456/4192956
[pid=16187] ppid=16185 vsize=1856 CPUtime=0
/proc/16187/stat : 16187 (minisat+) R 16185 16187 15466 0 -1 4194304 304 0 0 0 0 0 0 0 18 0 1 0 104744682 1900544 289 18446744073709551615 134512640 135395479 4294956672 18446744073709551615 135031278 0 0 4096 16386 0 0 0 17 1 0 0
/proc/16187/statm: 464 289 67 215 0 246 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 1856

[startup+0.101827 s]
/proc/loadavg: 0.93 1.01 1.02 3/77 16187
/proc/meminfo: memFree=1838776/2055920 swapFree=4175456/4192956
[pid=16187] ppid=16185 vsize=9792 CPUtime=0.09
/proc/16187/stat : 16187 (minisat+) R 16185 16187 15466 0 -1 4194304 2181 0 0 0 8 1 0 0 18 0 1 0 104744682 10027008 2033 18446744073709551615 134512640 135395479 4294956672 18446744073709551615 135007481 0 0 4096 16386 0 0 0 17 1 0 0
/proc/16187/statm: 2448 2034 67 215 0 2230 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 9792

[startup+0.301868 s]
/proc/loadavg: 0.93 1.01 1.02 3/77 16187
/proc/meminfo: memFree=1838776/2055920 swapFree=4175456/4192956
[pid=16187] ppid=16185 vsize=14040 CPUtime=0.29
/proc/16187/stat : 16187 (minisat+) R 16185 16187 15466 0 -1 4194304 3276 0 0 0 28 1 0 0 19 0 1 0 104744682 14376960 2996 18446744073709551615 134512640 135395479 4294956672 18446744073709551615 135003216 0 0 4096 16386 0 0 0 17 1 0 0
/proc/16187/statm: 3510 2996 75 215 0 3292 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 14040

[startup+0.702953 s]
/proc/loadavg: 0.93 1.01 1.02 3/77 16187
/proc/meminfo: memFree=1838776/2055920 swapFree=4175456/4192956
[pid=16187] ppid=16185 vsize=15028 CPUtime=0.69
/proc/16187/stat : 16187 (minisat+) R 16185 16187 15466 0 -1 4194304 3530 0 0 0 68 1 0 0 23 0 1 0 104744682 15388672 3248 18446744073709551615 134512640 135395479 4294956672 18446744073709551615 134838065 0 0 4096 16386 0 0 0 17 1 0 0
/proc/16187/statm: 3757 3248 75 215 0 3539 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 15028

[startup+1.50112 s]
/proc/loadavg: 0.93 1.01 1.02 2/78 16188
/proc/meminfo: memFree=1824304/2055920 swapFree=4175456/4192956
[pid=16187] ppid=16185 vsize=19208 CPUtime=1.49
/proc/16187/stat : 16187 (minisat+) R 16185 16187 15466 0 -1 4194304 4883 0 0 0 147 2 0 0 25 0 1 0 104744682 19668992 4263 18446744073709551615 134512640 135395479 4294956672 18446744073709551615 134809792 0 0 4096 16386 0 0 0 17 1 0 0
/proc/16187/statm: 4802 4263 75 215 0 4584 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 19208

[startup+3.10147 s]
/proc/loadavg: 0.93 1.01 1.02 2/78 16188
/proc/meminfo: memFree=1818928/2055920 swapFree=4175456/4192956
[pid=16187] ppid=16185 vsize=27308 CPUtime=3.09
/proc/16187/stat : 16187 (minisat+) R 16185 16187 15466 0 -1 4194304 7239 0 0 0 306 3 0 0 25 0 1 0 104744682 27963392 6284 18446744073709551615 134512640 135395479 4294956672 18446744073709551615 135031278 0 0 4096 16386 0 0 0 17 1 0 0
/proc/16187/statm: 6827 6284 75 215 0 6609 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 27308

[startup+6.30115 s]
/proc/loadavg: 0.93 1.01 1.02 2/78 16188
/proc/meminfo: memFree=1788784/2055920 swapFree=4175456/4192956
[pid=16187] ppid=16185 vsize=45384 CPUtime=6.29
/proc/16187/stat : 16187 (minisat+) R 16185 16187 15466 0 -1 4194304 15062 0 0 0 623 6 0 0 25 0 1 0 104744682 46473216 10775 18446744073709551615 134512640 135395479 4294956672 18446744073709551615 135003265 0 0 4096 16386 0 0 0 17 1 0 0
/proc/16187/statm: 11346 10775 88 215 0 11128 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 45384

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

[startup+6.70124 s]
/proc/loadavg: 0.93 1.01 1.02 2/78 16188
/proc/meminfo: memFree=1779120/2055920 swapFree=4175456/4192956
[pid=16187] ppid=16185 vsize=62144 CPUtime=6.67
/proc/16187/stat : 16187 (minisat+) R 16185 16187 15466 0 -1 4195840 19379 0 0 0 642 25 0 0 24 0 1 0 104744682 63635456 14982 18446744073709551615 134512640 135395479 4294956672 18446744073709551615 134665153 0 0 4096 16386 0 0 0 17 1 0 0
/proc/16187/statm: 15536 14982 89 215 0 15318 0
Current children cumulated CPU time (s) 6.67
Current children cumulated vsize (KiB) 62144

Child ended because it received signal 11 (SIGSEGV)
Real time (s): 6.7751
CPU time (s): 6.74697
CPU user time (s): 6.42002
CPU system time (s): 0.32695
CPU usage (%): 99.5848
Max. virtual memory (cumulated for all children) (KiB): 62144

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 6.42002
system time used= 0.32695
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 19696
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= 9
involuntary context switches= 138

runsolver used 0.014997 second user time and 0.022996 second system time

The end

Launcher Data (download as text)

Begin job on node13 on Sat Apr 14 16:31:08 UTC 2007

IDJOB= 350920
IDBENCH= 1617
IDSOLVER= 156
FILE ID= node13/350920-1176568268

PBS_JOBID= 4556774

Free space on /tmp= 66517 MiB

SOLVER NAME= minisat+ 1.14
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/OPT-SMALLINT/reduced/mps-v2-20-10/plato.asu.edu/pub/unibo/normalized-reduced-mps-v2-20-10-rail507.opb
COMMAND LINE= /tmp/evaluation/350920-1176568268/minisat+ /tmp/evaluation/350920-1176568268/instance-350920-1176568268.opb            
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node13/convwatcher-350920-1176568268 -o ROOT/results/node13/conversion-350920-1176568268 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/350920-1176568268/instance-350920-1176568268.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node13/watcher-350920-1176568268 -o ROOT/results/node13/solver-350920-1176568268 -C 1800 -W 3600 -M 1800 --output-limit 1,15  /tmp/evaluation/350920-1176568268/minisat+ /tmp/evaluation/350920-1176568268/instance-350920-1176568268.opb            

META MD5SUM SOLVER= e46aded85e5f265b61da9cdcce06370e
MD5SUM BENCH=  1d990dd8841615caa29b3d304bde4f0b

RANDOM SEED= 107710858

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node13.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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	: 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		: 3000.259
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:       1839248 kB
Buffers:         27144 kB
Cached:         107096 kB
SwapCached:       3324 kB
Active:          51952 kB
Inactive:       113156 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1839248 kB
SwapTotal:     4192956 kB
SwapFree:      4175456 kB
Dirty:            7460 kB
Writeback:           0 kB
Mapped:          40884 kB
Slab:            37008 kB
Committed_AS:  4622144 kB
PageTables:       1876 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= 66458 MiB

End job on node13 on Sat Apr 14 16:31:15 UTC 2007