Trace number 2683827

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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
SAT4J PB Resolution 2.2.0 2010-05-26OPT126 0.917859 0.616033

General information on the benchmark

Name/OPT-SMALLINT-LIN/leberre/opb-paranoid/misc2010/
datasets/caixa/normalized-1094.cudf.paranoid.opb
MD5SUMdf01e3a04dd15d00e30df0eb146eefce
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark126
Best CPU time to get the best result obtained on this benchmark0.017996
Has Objective FunctionYES
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables331
Total number of constraints2032
Number of constraints which are clauses2032
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint1
Maximum length of a constraint3
Number of terms in the objective function 156
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 156
Number of bits of the sum of numbers in the objective function 8
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 156
Number of bits of the biggest sum of numbers8
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

0.08/0.13	c SAT4J: a SATisfiability library for Java (c) 2004-2010 Daniel Le Berre
0.08/0.13	c This is free software under the dual EPL/GNU LGPL licenses.
0.08/0.13	c See www.sat4j.org for details.
0.08/0.14	c version 2.2.0.v20100526
0.08/0.14	c java.runtime.name	Java(TM) SE Runtime Environment
0.08/0.14	c java.vm.name		Java HotSpot(TM) Server VM
0.08/0.14	c java.vm.version	11.2-b01
0.08/0.14	c java.vm.vendor	Sun Microsystems Inc.
0.08/0.14	c sun.arch.data.model	32
0.08/0.14	c java.version		1.6.0_12
0.08/0.14	c os.name		Linux
0.08/0.14	c os.version		2.6.18-164.el5
0.08/0.14	c os.arch		i386
0.08/0.14	c Free memory 		1393557488
0.08/0.14	c Max memory 		1395916800
0.08/0.14	c Total memory 		1395916800
0.08/0.14	c Number of processors 	2
0.24/0.20	c Pseudo Boolean Optimization
0.24/0.20	c --- Begin Solver configuration ---
0.24/0.20	c Stops conflict analysis at the first Unique Implication Point
0.24/0.20	c org.sat4j.pb.constraints.CompetResolutionPBMixedWLClauseCardConstrDataStructure@1ac1fe4
0.24/0.20	c Learn all clauses as in MiniSAT
0.24/0.20	c claDecay=0.999 varDecay=0.95 conflictBoundIncFactor=1.5 initConflictBound=100 
0.24/0.20	c VSIDS like heuristics from MiniSAT using a heap lightweight component caching from RSAT taking into account the objective function
0.24/0.20	c Expensive reason simplification
0.24/0.20	c Armin Biere (Picosat) restarts strategy
0.24/0.20	c Glucose learned constraints deletion strategy
0.24/0.20	c timeout=2147483s
0.24/0.20	c DB Simplification allowed=false
0.24/0.20	c --- End Solver configuration ---
0.24/0.20	c solving HOME/instance-2683827-1277511647.opb
0.24/0.20	c reading problem ... 
0.71/0.51	c ... done. Wall clock time 0.309s.
0.71/0.51	c #vars     331
0.71/0.51	c #constraints  2018
0.71/0.51	c constraints type 
0.71/0.51	c org.sat4j.minisat.constraints.cnf.OriginalWLClause => 223
0.71/0.51	c org.sat4j.minisat.constraints.cnf.OriginalBinaryClause => 1793
0.71/0.56	c SATISFIABLE
0.71/0.56	c OPTIMIZING...
0.71/0.56	c Got one! Elapsed wall clock time (in seconds):0.361
0.71/0.56	o 126
0.71/0.59	c starts		: 2
0.71/0.59	c conflicts		: 27
0.71/0.59	c decisions		: 501
0.71/0.59	c propagations		: 2125
0.71/0.59	c inspects		: 9028
0.71/0.59	c learnt literals	: 20
0.71/0.59	c learnt binary clauses	: 5
0.71/0.59	c learnt ternary clauses	: 1
0.71/0.59	c learnt clauses	: 6
0.71/0.59	c ignored clauses	: 0
0.71/0.59	c root simplifications	: 0
0.71/0.59	c removed literals (reason simplification)	: 0
0.71/0.59	c reason swapping (by a shorter reason)	: 0
0.71/0.59	c Calls to reduceDB	: 0
0.71/0.59	c number of reductions to clauses (during analyze)	: 0
0.71/0.59	c number of learned constraints concerned by reduction	: 0
0.71/0.59	c number of learning phase by resolution	: 0
0.71/0.59	c number of learning phase by cutting planes	: 0
0.71/0.59	c speed (assignments/second)	: 78703.70370370371
0.71/0.59	c non guided choices	1
0.71/0.59	c learnt constraints type 
0.71/0.59	c constraints type 
0.71/0.59	c org.sat4j.minisat.constraints.cnf.OriginalWLClause => 223
0.71/0.59	c org.sat4j.minisat.constraints.card.MinWatchCard => 0
0.71/0.59	c org.sat4j.minisat.constraints.cnf.OriginalBinaryClause => 1793
0.71/0.59	s OPTIMUM FOUND
0.71/0.59	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 x101 x102 x103 x104 x105 -x106 -x107 x108 x109 x110 x111 x112 x113 x114 x115 x116 x117 x118 x119 -x120 -x121 x122 x123 x124 x125 -x126 x127 x128 x129 x130 x131 x132 x133 x134 x135 -x136 -x137 -x138 -x139 -x140 -x141 -x142 -x143 -x144 -x145 -x146 -x147 -x148 -x149 -x150 -x151 -x152 -x153 -x154 -x155 -x156 -x157 -x158 -x159 -x160 -x161 -x162 -x163 -x164 -x165 x166 x167 x168 x169 x170 x171 x172 x173 x174 x175 x176 x177 x178 x179 x180 x181 x182 x183 x184 x185 x186 x187 x188 x189 x190 x191 x192 x193 x194 x195 x196 x197 x198 x199 x200 x201 x202 x203 x204 x205 x206 x207 x208 x209 x210 x211 x212 x213 x214 x215 x216 x217 x218 x219 x220 x221 x222 x223 x224 x225 x226 x227 x228 x229 x230 x231 x232 x233 x234 x235 x236 x237 x238 x239 x240 x241 x242 x243 x244 x245 x246 x247 x248 x249 x250 x251 x252 x253 x254 x255 x256 x257 x258 x259 x260 x261 x262 x263 x264 x265 x266 x267 x268 x269 x270 x271 x272 x273 x274 x275 x276 x277 -x278 -x279 -x280 -x281 -x282 -x283 -x284 -x285 -x286 -x287 -x288 -x289 -x290 -x291 -x292 -x293 -x294 -x295 -x296 -x297 -x298 -x299 -x300 -x301 -x302 -x303 -x304 -x305 -x306 x307 -x308 x309 x310 x311 x312 x313 x314 x315 x316 x317 x318 x319 x320 x321 x322 x323 x324 x325 x326 x327 x328 x329 x330 x331 
0.71/0.59	c objective function=126
0.71/0.59	c Total wall clock time (in seconds): 0.395

Verifier Data 

OK	126

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2683827-1277511647/watcher-2683827-1277511647 -o /tmp/evaluation-result-2683827-1277511647/solver-2683827-1277511647 -C 1800 -W 2000 -M 1800 java6 -server -Xmx1350m -Xms1350m -jar HOME/sat4j-pb.jar HOME/instance-2683827-1277511647.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): 2000 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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.93 0.97 0.98 3/106 26162
/proc/meminfo: memFree=1850264/2059040 swapFree=4135236/4192956
[pid=26162] ppid=26160 vsize=1832 CPUtime=0
/proc/26162/stat : 26162 (java) S 26160 26162 24533 0 -1 4194304 430 0 0 0 0 0 0 0 18 0 1 0 126766040 1875968 160 1992294400 134512640 134550932 4293945872 18446744073709551615 9183828 0 2147483391 4096 0 18446744071699383486 0 0 17 1 0 0 0
/proc/26162/statm: 458 160 123 10 0 63 0

[startup+0.093621 s]
/proc/loadavg: 0.93 0.97 0.98 3/106 26162
/proc/meminfo: memFree=1850264/2059040 swapFree=4135236/4192956
[pid=26162] ppid=26160 vsize=1524184 CPUtime=0.08
/proc/26162/stat : 26162 (java) S 26160 26162 24533 0 -1 4202496 3956 0 1 0 6 2 0 0 18 0 12 0 126766040 1560764416 3396 1992294400 134512640 134550932 4293945872 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0 0
/proc/26162/statm: 381046 3396 1076 10 0 378348 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 1524184

[startup+0.10162 s]
/proc/loadavg: 0.93 0.97 0.98 3/106 26162
/proc/meminfo: memFree=1850264/2059040 swapFree=4135236/4192956
[pid=26162] ppid=26160 vsize=1524184 CPUtime=0.08
/proc/26162/stat : 26162 (java) S 26160 26162 24533 0 -1 4202496 4001 0 1 0 6 2 0 0 18 0 12 0 126766040 1560764416 3441 1992294400 134512640 134550932 4293945872 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0 0
/proc/26162/statm: 381046 3441 1078 10 0 378348 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 1524184

[startup+0.300642 s]
/proc/loadavg: 0.93 0.97 0.98 3/106 26162
/proc/meminfo: memFree=1850264/2059040 swapFree=4135236/4192956
[pid=26162] ppid=26160 vsize=1526548 CPUtime=0.36
/proc/26162/stat : 26162 (java) S 26160 26162 24533 0 -1 4202496 5398 0 1 0 33 3 0 0 18 0 12 0 126766040 1563185152 4836 1992294400 134512640 134550932 4293945872 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0 0
/proc/26162/statm: 381637 4836 1361 10 0 378939 0
Current children cumulated CPU time (s) 0.36
Current children cumulated vsize (KiB) 1526548

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

[startup+0.500656 s]
/proc/loadavg: 0.93 0.97 0.98 3/106 26162
/proc/meminfo: memFree=1850264/2059040 swapFree=4135236/4192956
[pid=26162] ppid=26160 vsize=1528048 CPUtime=0.71
/proc/26162/stat : 26162 (java) S 26160 26162 24533 0 -1 4202496 6339 0 1 0 67 4 0 0 18 0 12 0 126766040 1564721152 5736 1992294400 134512640 134550932 4293945872 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0 0
/proc/26162/statm: 382012 5736 1382 10 0 379314 0
Current children cumulated CPU time (s) 0.71
Current children cumulated vsize (KiB) 1528048

[startup+0.600665 s]
/proc/loadavg: 0.93 0.97 0.98 3/106 26162
/proc/meminfo: memFree=1850264/2059040 swapFree=4135236/4192956
[pid=26162] ppid=26160 vsize=1528696 CPUtime=0.91
/proc/26162/stat : 26162 (java) S 26160 26162 24533 0 -1 4202496 6664 0 1 0 87 4 0 0 18 0 13 0 126766040 1565384704 6027 1992294400 134512640 134550932 4293945872 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0 0
/proc/26162/statm: 382174 6027 1407 10 0 379476 0
Current children cumulated CPU time (s) 0.91
Current children cumulated vsize (KiB) 1528696

Child status: 30
Real time (s): 0.616033
CPU time (s): 0.917859
CPU user time (s): 0.870867
CPU system time (s): 0.046992
CPU usage (%): 148.995
Max. virtual memory (cumulated for all children) (KiB): 1528696

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.870867
system time used= 0.046992
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 6671
page faults= 1
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 115
involuntary context switches= 114

runsolver used 0.002999 second user time and 0.011998 second system time

The end

Launcher Data 

Begin job on node015 at 2010-06-26 02:20:47
IDJOB=2683827
IDBENCH=72142
IDSOLVER=1164
FILE ID=node015/2683827-1277511647
PBS_JOBID= 11190607
Free space on /tmp= 62412 MiB

SOLVER NAME= SAT4J PB Resolution 2.2.0 2010-05-26
BENCH NAME= PB10/normalized-PB10/OPT-SMALLINT-LIN/leberre/opb-paranoid/misc2010/datasets/caixa/normalized-1094.cudf.paranoid.opb
COMMAND LINE= java6 -server -Xmx1350m -Xms1350m -jar HOME/sat4j-pb.jar BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2683827-1277511647/watcher-2683827-1277511647 -o /tmp/evaluation-result-2683827-1277511647/solver-2683827-1277511647 -C 1800 -W 2000 -M 1800  java6 -server -Xmx1350m -Xms1350m -jar HOME/sat4j-pb.jar HOME/instance-2683827-1277511647.opb

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= df01e3a04dd15d00e30df0eb146eefce
RANDOM SEED=498978565

node015.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/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		: 3000.244
cache size	: 2048 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 0
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 6000.48
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		: 3000.244
cache size	: 2048 KB
physical id	: 3
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 6
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5599.36
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1850536 kB
Buffers:          8324 kB
Cached:         105608 kB
SwapCached:      10172 kB
Active:         102984 kB
Inactive:        24164 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1850536 kB
SwapTotal:     4192956 kB
SwapFree:      4135236 kB
Dirty:            1224 kB
Writeback:           0 kB
AnonPages:       11772 kB
Mapped:           8264 kB
Slab:            59296 kB
PageTables:       4100 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182400 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62412 MiB
End job on node015 at 2010-06-26 02:20:48