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 in four parts:
  1. 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 provide some useful information on the computer.
  2. 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 !
  3. 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 1200 seconds. 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 1230 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (900Mb).
    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.
  4. 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.

General information on the benchmark

Namesubmitted/manquinho/primes-dimacs-cnf/normalized-aim-50-6_0-yes1-4.opb
MD5SUM2beca4d072c9a53c27ee7e09aa5271f2
Bench Categoryoptimization, small integers (OPTSMALLINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 50
Optimality of the best value was proved YES
Number of terms in the objective function 100
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 100
Number of bits of the sum of numbers in the objective function 7
Biggest number in a constraint 2
Number of bits of the biggest number in a constraint 2
Biggest sum of numbers in a constraint 100
Number of bits of the biggest sum of numbers7
Best result obtained on this benchmarkOPTIMUM FOUND
Best CPU time to get the best result obtained on this benchmark0.020995
Number of variables100
Total number of constraints350
Number of constraints which are clauses349
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints1
Minimum length of a constraint2
Maximum length of a constraint3

Trace number 1716

Launcher Data

LAUNCH ON wulflinc25 THE 2005-09-18 16:20:00 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=5978 boxname=wulflinc25 idbench=118 idsolver=6 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  2beca4d072c9a53c27ee7e09aa5271f2  /oldhome/oroussel/tmp/wulflinc25/normalized-aim-50-6_0-yes1-4.opb
REAL COMMAND:  java -server -Xms650M -Xmx650M -jar /oldhome/oroussel/solvers/sat4jPseudoTer.jar /oldhome/oroussel/tmp/wulflinc25/normalized-aim-50-6_0-yes1-4.opb
IDLAUNCH: 5978
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.220
cache size	: 512 KB
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 2
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse
bogomips	: 888.83

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.220
cache size	: 512 KB
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 2
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse
bogomips	: 901.12

/proc/meminfo:
MemTotal:      1034660 kB
MemFree:        918016 kB
Buffers:         35136 kB
Cached:          54476 kB
SwapCached:        896 kB
Active:          65672 kB
Inactive:        26492 kB
HighTotal:      131008 kB
HighFree:        75236 kB
LowTotal:       903652 kB
LowFree:        842780 kB
SwapTotal:     2097892 kB
SwapFree:      2096496 kB
Dirty:              40 kB
Writeback:           0 kB
Mapped:           5716 kB
Slab:            18812 kB
Committed_AS:    64168 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-09-18 16:20:04 (client local time) WITH STATUS 30 IN 4.84126 SECONDS
stats: 5978 0 4.84126 30

Solver Data

c SAT4J: a SATisfiability library for Java (c) 2004-2005 Daniel Le Berre
c This is free software under the GNU LGPL licence. See www.sat4j.org for details.
c version JAVA5.1.1.31
c --- Begin Solver configuration ---
c org.sat4j.minisat.uip.FirstUIP@a20892
c org.sat4j.minisat.constraints.PBMinDataStructure@1e0bc08
c org.sat4j.minisat.learning.MiniSATLearning@158b649
c conflictBoundIncFactor=1.5 learntBoundIncFactor=1.1 initLearntBoundConstraintFactor=0.5 initConflictBound=100 
c VSIDS like heuristics from MiniSAT using a sorted array
c No reason simplification
c --- End Solver configuration ---
c solving /oldhome/oroussel/tmp/wulflinc25/normalized-aim-50-6_0-yes1-4.opb
c reading problem ... done. Time 0.517 ms.
c #vars     100
c #constraints  350
c SATISFIABLE
c OPTIMIZING...
c CURRENT OPTIMUM=                  50 		Current CPU time: 1.30 ms
c starts		: 2
c conflicts		: 21
c decisions		: 27
c propagations		: 791
c inspects		: 3553
c learnt literals	: 0
c learnt binary clauses	: 4
c learnt ternary clauses	: 4
c learnt clauses	: 20
c root simplifications	: 2
c removed literals (reason simplification)	: 0
c reason swapping (by a shorter reason)	: 0
c Calls to reduceDB	: 0
c speed (decisions/second)	: 69.05370843989769
c non guided choices	15
c random choices	0
s OPTIMUM FOUND
v -x1 x2 -x3 x4 x5 -x6 x7 -x8 -x9 x10 x11 -x12 x13 -x14 -x15 x16 x17 -x18 x19 -x20 -x21 x22 x23 -x24 -x25 x26 x27 -x28 x29 -x30 x31 -x32 -x33 x34 x35 -x36 -x37 x38 x39 -x40 x41 -x42 x43 -x44 x45 -x46 -x47 x48 -x49 x50 x51 -x52 x53 -x54 -x55 x56 x57 -x58 x59 -x60 x61 -x62 x63 -x64 -x65 x66 -x67 x68 -x69 x70 -x71 x72 x73 -x74 x75 -x76 -x77 x78 x79 -x80 -x81 x82 x83 -x84 x85 -x86 x87 -x88 -x89 x90 -x91 x92 -x93 x94 -x95 x96 -x97 x98 x99 -x100 
c objective function=50
c Total CPU time (ms) : 2.105

Watcher Data

Enforcing CPU limit (will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime (will send SIGXCPU) limit: 1230 seconds
Enforcing Stack size limit: 67108864 bytes
Enforcing memory limit (will send SIGTERM then SIGKILL): 921600 Kb
Enforcing VSIZE limit: 994918400 bytes
Current StackSize limit: 67108864 bytes
Raw data (/proc/13079/stat): 13079 (java) R 13078 13079 4419 0 -1 0 19 0 0 0 0 0 0 0 23 0 1 0 1842672779 159744 3 4294967295 134512640 134569956 3221224464 3221224464 1073744960 0 0 5 0 0 0 0 17 1 0 0
Raw data (/proc/13079/statm): 39 3 38 16 0 23 0
[pid=13079] vsize: 156
open syscall for file /etc/ld.so.preload
open syscall for file tls/i686/mmx/libpthread.so.0
open syscall for file tls/i686/libpthread.so.0
open syscall for file tls/mmx/libpthread.so.0
open syscall for file tls/libpthread.so.0
open syscall for file i686/mmx/libpthread.so.0
open syscall for file i686/libpthread.so.0
open syscall for file mmx/libpthread.so.0
open syscall for file libpthread.so.0
open syscall for file /oldhome/oroussel/lib/tls/i686/mmx/libpthread.so.0
open syscall for file /oldhome/oroussel/lib/tls/i686/libpthread.so.0
open syscall for file /oldhome/oroussel/lib/tls/mmx/libpthread.so.0
open syscall for file /oldhome/oroussel/lib/tls/libpthread.so.0
open syscall for file /oldhome/oroussel/lib/i686/mmx/libpthread.so.0
open syscall for file /oldhome/oroussel/lib/i686/libpthread.so.0
open syscall for file /oldhome/oroussel/lib/mmx/libpthread.so.0
open syscall for file /oldhome/oroussel/lib/libpthread.so.0
open syscall for file /etc/ld.so.cache
open syscall for file /lib/tls/libpthread.so.0
open syscall for file tls/i686/mmx/libdl.so.2
open syscall for file tls/i686/libdl.so.2
open syscall for file tls/mmx/libdl.so.2
open syscall for file tls/libdl.so.2
open syscall for file i686/mmx/libdl.so.2
open syscall for file i686/libdl.so.2
open syscall for file mmx/libdl.so.2
open syscall for file libdl.so.2
open syscall for file /oldhome/oroussel/lib/libdl.so.2
open syscall for file /lib/libdl.so.2
open syscall for file tls/i686/mmx/libc.so.6
open syscall for file tls/i686/libc.so.6
open syscall for file tls/mmx/libc.so.6
open syscall for file tls/libc.so.6
open syscall for file i686/mmx/libc.so.6
open syscall for file i686/libc.so.6
open syscall for file mmx/libc.so.6
open syscall for file libc.so.6
open syscall for file /oldhome/oroussel/lib/libc.so.6
open syscall for file /lib/tls/libc.so.6
open syscall for file /oldhome/oroussel/solvers/sat4jPseudoTer.jar
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/i386/jvm.cfg
execve syscall for /oldhome/oroussel/jre1.5.0_05/bin/java executable
open syscall for file /etc/ld.so.preload
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/i386/server/tls/i686/mmx/libpthread.so.0
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/i386/server/tls/i686/libpthread.so.0
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/i386/server/tls/mmx/libpthread.so.0
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/i386/server/tls/libpthread.so.0
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/i386/server/i686/mmx/libpthread.so.0
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/i386/server/i686/libpthread.so.0
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/i386/server/mmx/libpthread.so.0
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/i386/server/libpthread.so.0
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/i386/tls/i686/mmx/libpthread.so.0
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/i386/tls/i686/libpthread.so.0
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/i386/tls/mmx/libpthread.so.0
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/i386/tls/libpthread.so.0
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/i386/i686/mmx/libpthread.so.0
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/i386/i686/libpthread.so.0
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/i386/mmx/libpthread.so.0
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/i386/libpthread.so.0
open syscall for file /oldhome/oroussel/jre1.5.0_05/../lib/i386/tls/i686/mmx/libpthread.so.0
open syscall for file /oldhome/oroussel/jre1.5.0_05/../lib/i386/tls/i686/libpthread.so.0
open syscall for file /oldhome/oroussel/jre1.5.0_05/../lib/i386/tls/mmx/libpthread.so.0
open syscall for file /oldhome/oroussel/jre1.5.0_05/../lib/i386/tls/libpthread.so.0
open syscall for file /oldhome/oroussel/jre1.5.0_05/../lib/i386/i686/mmx/libpthread.so.0
open syscall for file /oldhome/oroussel/jre1.5.0_05/../lib/i386/i686/libpthread.so.0
open syscall for file /oldhome/oroussel/jre1.5.0_05/../lib/i386/mmx/libpthread.so.0
open syscall for file /oldhome/oroussel/jre1.5.0_05/../lib/i386/libpthread.so.0
open syscall for file tls/i686/mmx/libpthread.so.0
open syscall for file tls/i686/libpthread.so.0
open syscall for file tls/mmx/libpthread.so.0
open syscall for file tls/libpthread.so.0
open syscall for file i686/mmx/libpthread.so.0
open syscall for file i686/libpthread.so.0
open syscall for file mmx/libpthread.so.0
open syscall for file libpthread.so.0
open syscall for file /oldhome/oroussel/lib/tls/i686/mmx/libpthread.so.0
open syscall for file /oldhome/oroussel/lib/tls/i686/libpthread.so.0
open syscall for file /oldhome/oroussel/lib/tls/mmx/libpthread.so.0
open syscall for file /oldhome/oroussel/lib/tls/libpthread.so.0
open syscall for file /oldhome/oroussel/lib/i686/mmx/libpthread.so.0
open syscall for file /oldhome/oroussel/lib/i686/libpthread.so.0
open syscall for file /oldhome/oroussel/lib/mmx/libpthread.so.0
open syscall for file /oldhome/oroussel/lib/libpthread.so.0
open syscall for file /etc/ld.so.cache
open syscall for file /lib/tls/libpthread.so.0
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/i386/server/libdl.so.2
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/i386/libdl.so.2
open syscall for file tls/i686/mmx/libdl.so.2
open syscall for file tls/i686/libdl.so.2
open syscall for file tls/mmx/libdl.so.2
open syscall for file tls/libdl.so.2
open syscall for file i686/mmx/libdl.so.2
open syscall for file i686/libdl.so.2
open syscall for file mmx/libdl.so.2
open syscall for file libdl.so.2
open syscall for file /oldhome/oroussel/lib/libdl.so.2
open syscall for file /lib/libdl.so.2
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/i386/server/libc.so.6
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/i386/libc.so.6
open syscall for file tls/i686/mmx/libc.so.6
open syscall for file tls/i686/libc.so.6
open syscall for file tls/mmx/libc.so.6
open syscall for file tls/libc.so.6
open syscall for file i686/mmx/libc.so.6
open syscall for file i686/libc.so.6
open syscall for file mmx/libc.so.6
open syscall for file libc.so.6
open syscall for file /oldhome/oroussel/lib/libc.so.6
open syscall for file /lib/tls/libc.so.6
open syscall for file /oldhome/oroussel/solvers/sat4jPseudoTer.jar
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/i386/jvm.cfg
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/i386/server/libjvm.so
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/i386/server/libm.so.6
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/i386/libm.so.6
open syscall for file tls/i686/mmx/libm.so.6
open syscall for file tls/i686/libm.so.6
open syscall for file tls/mmx/libm.so.6
open syscall for file tls/libm.so.6
open syscall for file i686/mmx/libm.so.6
open syscall for file i686/libm.so.6
open syscall for file mmx/libm.so.6
open syscall for file libm.so.6
open syscall for file /oldhome/oroussel/lib/libm.so.6
open syscall for file /etc/ld.so.cache
open syscall for file /lib/tls/libm.so.6
open syscall for file /etc/mtab
open syscall for file /proc/stat
open syscall for file /etc/mtab
open syscall for file /proc/meminfo
open syscall for file .hotspotrc
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/endorsed
open syscall for file /etc/mtab
open syscall for file /proc/stat
open syscall for file /proc/self/maps
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/i386/native_threads/libhpi.so
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/i386/server/libnsl.so.1
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/i386/libnsl.so.1
open syscall for file tls/i686/mmx/libnsl.so.1
open syscall for file tls/i686/libnsl.so.1
open syscall for file tls/mmx/libnsl.so.1
open syscall for file tls/libnsl.so.1
open syscall for file i686/mmx/libnsl.so.1
open syscall for file i686/libnsl.so.1
open syscall for file mmx/libnsl.so.1
open syscall for file libnsl.so.1
open syscall for file /oldhome/oroussel/lib/libnsl.so.1
open syscall for file /etc/ld.so.cache
open syscall for file /lib/libnsl.so.1
socket syscall socket(PF_UNIX,SOCK_STREAM,0)=4
socket syscall connect(4,{sa_family=AF_UNIX,path=/var/run/.nscd_socket},110)
open syscall for file /tmp/hsperfdata_oroussel
open syscall for file /tmp/hsperfdata_oroussel/13079
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/i386/libverify.so
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/i386/libjava.so
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/i386/libzip.so
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/rt.jar
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/jsse.jar
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/jce.jar
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/charsets.jar
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/i386/server/classes.jsa
open syscall for file .hotspot_compiler
New thread pid=13080
New thread pid=13081
New thread pid=13082
socket syscall socket(PF_UNIX,SOCK_STREAM,0)=4
socket syscall connect(4,{sa_family=AF_UNIX,path=/var/run/.nscd_socket},110)
open syscall for file /etc/localtime
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/ext
New thread pid=13083
New thread pid=13084
New thread pid=13085
New thread pid=13086
New thread pid=13087
New thread pid=13088
open syscall for file /oldhome/oroussel/solvers/sat4jPseudoTer.jar
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/ext/sunjce_provider.jar
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/ext/sunpkcs11.jar
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/ext/dnsns.jar
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/ext/localedata.jar
open syscall for file /oldhome/oroussel/jre1.5.0_05/lib/security/java.security
open syscall for file /dev/random
open syscall for file /dev/urandom
open syscall for file /oldhome/oroussel/tmp/wulflinc25/normalized-aim-50-6_0-yes1-4.opb
New thread pid=13089
One traced child (pid=13089) exited with status: 0
New thread pid=13090
One traced child (pid=13090) exited with status: 0
New thread pid=13091
One traced child (pid=13091) exited with status: 0
One traced child (pid=13088) exited with status: 0
One traced child (pid=13083) exited with status: 0
One traced child (pid=13080) exited with status: 30
One traced child (pid=13085) exited with status: 30
One traced child (pid=13081) exited with status: 30
One traced child (pid=13082) exited with status: 30
One traced child (pid=13087) exited with status: 30
One traced child (pid=13086) exited with status: 30
One traced child (pid=13084) exited with status: 30
One traced child (pid=13079) exited with status: 30
All traced children have exited ! Game is over.

Child status: 30
Real time (s): 3.45938
CPU time (s): 4.84126
CPU user time (s): 4.56131
CPU system time (s): 0.279957
CPU usage (%): 139.946
Max. virtual memory (cumulated for all children) (Kb): 0

Verifier Data

Verifier:	OK	50