Trace number 2667697

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 NameAnswerCPU timeWall clock time
PB/CT 0.1SAT 10.7754 10.7788

General information on the benchmark

Namenormalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/
manquinho/dbsg/normalized-dbsg_500_25_4_15.opb
MD5SUM8407562d9bb1379ab6a9e056478d010c
Bench CategoryDEC-SMALLINT-NLC (no optimisation, small integers, non linear constraints)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark2.06169
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1000
Total number of constraints1502
Number of constraints which are clauses500
Number of constraints which are cardinality constraints (but not clauses)1
Number of constraints which are nor clauses,nor cardinality constraints1001
Minimum length of a constraint2
Maximum length of a constraint1000
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 15
Number of bits of the biggest number in a constraint 4
Biggest sum of numbers in a constraint 1000
Number of bits of the biggest sum of numbers10
Number of products (including duplicates)31508
Sum of products size (including duplicates)63016
Number of different products15754
Sum of products size31508

Solver Data 

0.00/0.00	c PB/CT 0.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.29/0.38	c constraints 16756/0 clauses 16254/0 units 0
0.29/0.38	c vars 1000
8.49/8.57	c 8.03878 460.352 299 22295
8.49/8.57	s SATISFIABLE
8.49/8.57	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 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Verifier Data 

OK	0

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2667697-1276675216/watcher-2667697-1276675216 -o /tmp/evaluation-result-2667697-1276675216/solver-2667697-1276675216 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2667697-1276675216.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: 1.00 1.00 1.00 3/106 9500
/proc/meminfo: memFree=1754560/2059040 swapFree=4140352/4192956
[pid=9500] ppid=9498 vsize=2340 CPUtime=0
/proc/9500/stat : 9500 (pbct) R 9498 9500 9043 0 -1 4202496 301 0 0 0 0 0 0 0 18 0 1 0 41177903 2396160 224 1992294400 134512640 136485738 4286917168 18446744073709551615 135850441 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/9500/statm: 585 224 156 482 0 101 0

[startup+0.0692919 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 9500
/proc/meminfo: memFree=1754560/2059040 swapFree=4140352/4192956
[pid=9500] ppid=9498 vsize=3924 CPUtime=0.06
/proc/9500/stat : 9500 (pbct) R 9498 9500 9043 0 -1 4202496 707 0 0 0 6 0 0 0 20 0 1 0 41177903 4018176 630 1992294400 134512640 136485738 4286917168 18446744073709551615 135850441 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/9500/statm: 981 630 156 482 0 497 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 3924

[startup+0.101297 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 9500
/proc/meminfo: memFree=1754560/2059040 swapFree=4140352/4192956
[pid=9500] ppid=9498 vsize=4716 CPUtime=0.09
/proc/9500/stat : 9500 (pbct) R 9498 9500 9043 0 -1 4202496 890 0 0 0 9 0 0 0 20 0 1 0 41177903 4829184 813 1992294400 134512640 136485738 4286917168 18446744073709551615 135850441 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/9500/statm: 1179 813 156 482 0 695 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4716

[startup+0.301334 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 9500
/proc/meminfo: memFree=1754560/2059040 swapFree=4140352/4192956
[pid=9500] ppid=9498 vsize=9800 CPUtime=0.29
/proc/9500/stat : 9500 (pbct) R 9498 9500 9043 0 -1 4202496 2139 0 0 0 28 1 0 0 20 0 1 0 41177903 10035200 2062 1992294400 134512640 136485738 4286917168 18446744073709551615 135178807 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/9500/statm: 2450 2063 156 482 0 1966 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 9800

[startup+0.701409 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 9500
/proc/meminfo: memFree=1754560/2059040 swapFree=4140352/4192956
[pid=9500] ppid=9498 vsize=42968 CPUtime=0.69
/proc/9500/stat : 9500 (pbct) R 9498 9500 9043 0 -1 4202496 10529 0 0 0 64 5 0 0 20 0 1 0 41177903 43999232 10353 1992294400 134512640 136485738 4286917168 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/9500/statm: 10742 10354 191 482 0 10258 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 42968

[startup+1.50156 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 9501
/proc/meminfo: memFree=1690320/2059040 swapFree=4140352/4192956
[pid=9500] ppid=9498 vsize=100220 CPUtime=1.49
/proc/9500/stat : 9500 (pbct) R 9498 9500 9043 0 -1 4202496 25729 0 0 0 136 13 0 0 23 0 1 0 41177903 102625280 24373 1992294400 134512640 136485738 4286917168 18446744073709551615 134742056 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/9500/statm: 25055 24374 196 482 0 24571 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 100220

[startup+3.10186 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 9501
/proc/meminfo: memFree=1623856/2059040 swapFree=4140352/4192956
[pid=9500] ppid=9498 vsize=191620 CPUtime=3.09
/proc/9500/stat : 9500 (pbct) R 9498 9500 9043 0 -1 4202496 50389 0 0 0 286 23 0 0 25 0 1 0 41177903 196218880 47171 1992294400 134512640 136485738 4286917168 18446744073709551615 135690961 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/9500/statm: 47905 47172 196 482 0 47421 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 191620

[startup+6.30145 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 9501
/proc/meminfo: memFree=1349692/2059040 swapFree=4140352/4192956
[pid=9500] ppid=9498 vsize=426280 CPUtime=6.29
/proc/9500/stat : 9500 (pbct) R 9498 9500 9043 0 -1 4202496 111682 0 0 0 583 46 0 0 25 0 1 0 41177903 436510720 103066 1992294400 134512640 136485738 4286917168 18446744073709551615 134804454 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/9500/statm: 106570 103066 208 482 0 106086 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 426280

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

[startup+7.90175 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 9501
/proc/meminfo: memFree=1300340/2059040 swapFree=4140352/4192956
[pid=9500] ppid=9498 vsize=470324 CPUtime=7.89
/proc/9500/stat : 9500 (pbct) R 9498 9500 9043 0 -1 4202496 122707 0 0 0 737 52 0 0 25 0 1 0 41177903 481611776 113466 1992294400 134512640 136485738 4286917168 18446744073709551615 135024897 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/9500/statm: 117581 113466 224 482 0 117097 0
Current children cumulated CPU time (s) 7.89
Current children cumulated vsize (KiB) 470324

[startup+9.50105 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 9501
/proc/meminfo: memFree=1310880/2059040 swapFree=4140352/4192956
[pid=9500] ppid=9498 vsize=434088 CPUtime=9.49
/proc/9500/stat : 9500 (pbct) R 9498 9500 9043 0 -1 4202496 123021 0 0 0 896 53 0 0 25 0 1 0 41177903 444506112 106035 1992294400 134512640 136485738 4286917168 18446744073709551615 134720182 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/9500/statm: 108522 106035 247 482 0 108038 0
Current children cumulated CPU time (s) 9.49
Current children cumulated vsize (KiB) 434088

[startup+10.3012 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 9501
/proc/meminfo: memFree=1329604/2059040 swapFree=4140352/4192956
[pid=9500] ppid=9498 vsize=434088 CPUtime=10.29
/proc/9500/stat : 9500 (pbct) R 9498 9500 9043 0 -1 4202496 123021 0 0 0 976 53 0 0 25 0 1 0 41177903 444506112 106035 1992294400 134512640 136485738 4286917168 18446744073709551615 134720130 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/9500/statm: 108522 106035 247 482 0 108038 0
Current children cumulated CPU time (s) 10.29
Current children cumulated vsize (KiB) 434088

[startup+10.7013 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 9501
/proc/meminfo: memFree=1329604/2059040 swapFree=4140352/4192956
[pid=9500] ppid=9498 vsize=409192 CPUtime=10.69
/proc/9500/stat : 9500 (pbct) R 9498 9500 9043 0 -1 4202496 123021 0 0 0 1016 53 0 0 25 0 1 0 41177903 419012608 101954 1992294400 134512640 136485738 4286917168 18446744073709551615 135839892 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/9500/statm: 102298 101954 247 482 0 101814 0
Current children cumulated CPU time (s) 10.69
Current children cumulated vsize (KiB) 409192

Child status: 0
Real time (s): 10.7788
CPU time (s): 10.7754
CPU user time (s): 10.1935
CPU system time (s): 0.581911
CPU usage (%): 99.9679
Max. virtual memory (cumulated for all children) (KiB): 470868

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 10.1935
system time used= 0.581911
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 123022
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= 2
involuntary context switches= 23

runsolver used 0.021996 second user time and 0.051992 second system time

The end

Launcher Data 

Begin job on node019 at 2010-06-16 10:00:16
IDJOB=2667697
IDBENCH=48285
IDSOLVER=1170
FILE ID=node019/2667697-1276675216
PBS_JOBID= 11172516
Free space on /tmp= 62412 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB07/normalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/manquinho/dbsg/normalized-dbsg_500_25_4_15.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2667697-1276675216/watcher-2667697-1276675216 -o /tmp/evaluation-result-2667697-1276675216/solver-2667697-1276675216 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2667697-1276675216.opb

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

MD5SUM BENCH= 8407562d9bb1379ab6a9e056478d010c
RANDOM SEED=2085602193

node019.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		: 3000.264
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	: 6000.52
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		: 3000.264
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	: 5599.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1755080 kB
Buffers:         97776 kB
Cached:         115280 kB
SwapCached:       6068 kB
Active:         105632 kB
Inactive:       120760 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1755080 kB
SwapTotal:     4192956 kB
SwapFree:      4140352 kB
Dirty:            2388 kB
Writeback:           0 kB
AnonPages:       11752 kB
Mapped:          13088 kB
Slab:            55720 kB
PageTables:       4024 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182960 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 node019 at 2010-06-16 10:00:27