Trace number 2667710

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 4.54631 4.54673

General information on the benchmark

Namenormalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/
manquinho/dbsg/normalized-dbsg_500_10_5_15.opb
MD5SUM5332756aaf3462bb729ff5c6a427694c
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 benchmark1.09683
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)12540
Sum of products size (including duplicates)25080
Number of different products6270
Sum of products size12540

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
0.09/0.16	c constraints 7272/0 clauses 6770/0 units 0
0.09/0.16	c vars 1000
3.59/3.63	c 3.39548 196.285 443 16350
3.59/3.63	s SATISFIABLE
3.59/3.63	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 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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-2667710-1276676534/watcher-2667710-1276676534 -o /tmp/evaluation-result-2667710-1276676534/solver-2667710-1276676534 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2667710-1276676534.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: 0.94 0.98 0.99 3/106 16288
/proc/meminfo: memFree=1824184/2059040 swapFree=4163504/4192956
[pid=16288] ppid=16286 vsize=2340 CPUtime=0
/proc/16288/stat : 16288 (pbct) R 16286 16288 15942 0 -1 4202496 297 0 0 0 0 0 0 0 18 0 1 0 8944348 2396160 219 1992294400 134512640 136485738 4294942160 18446744073709551615 135850441 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/16288/statm: 585 219 156 482 0 101 0

[startup+0.029741 s]
/proc/loadavg: 0.94 0.98 0.99 3/106 16288
/proc/meminfo: memFree=1824184/2059040 swapFree=4163504/4192956
[pid=16288] ppid=16286 vsize=2868 CPUtime=0.02
/proc/16288/stat : 16288 (pbct) R 16286 16288 15942 0 -1 4202496 425 0 0 0 2 0 0 0 20 0 1 0 8944348 2936832 347 1992294400 134512640 136485738 4294942160 18446744073709551615 135850441 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/16288/statm: 717 347 156 482 0 233 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 2868

[startup+0.101748 s]
/proc/loadavg: 0.94 0.98 0.99 3/106 16288
/proc/meminfo: memFree=1824184/2059040 swapFree=4163504/4192956
[pid=16288] ppid=16286 vsize=4584 CPUtime=0.09
/proc/16288/stat : 16288 (pbct) R 16286 16288 15942 0 -1 4202496 843 0 0 0 9 0 0 0 20 0 1 0 8944348 4694016 765 1992294400 134512640 136485738 4294942160 18446744073709551615 134527282 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/16288/statm: 1146 765 156 482 0 662 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4584

[startup+0.301768 s]
/proc/loadavg: 0.94 0.98 0.99 3/106 16288
/proc/meminfo: memFree=1824184/2059040 swapFree=4163504/4192956
[pid=16288] ppid=16286 vsize=20912 CPUtime=0.29
/proc/16288/stat : 16288 (pbct) R 16286 16288 15942 0 -1 4202496 4917 0 0 0 27 2 0 0 20 0 1 0 8944348 21413888 4839 1992294400 134512640 136485738 4294942160 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16288/statm: 5228 4840 191 482 0 4744 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 20912

[startup+0.701808 s]
/proc/loadavg: 0.94 0.98 0.99 3/106 16288
/proc/meminfo: memFree=1824184/2059040 swapFree=4163504/4192956
[pid=16288] ppid=16286 vsize=49852 CPUtime=0.69
/proc/16288/stat : 16288 (pbct) R 16286 16288 15942 0 -1 4202496 12514 0 0 0 64 5 0 0 20 0 1 0 8944348 51048448 11964 1992294400 134512640 136485738 4294942160 18446744073709551615 135857072 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16288/statm: 12463 11965 196 482 0 11979 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 49852

[startup+1.50089 s]
/proc/loadavg: 0.94 0.98 0.99 2/107 16289
/proc/meminfo: memFree=1759448/2059040 swapFree=4163504/4192956
[pid=16288] ppid=16286 vsize=96844 CPUtime=1.49
/proc/16288/stat : 16288 (pbct) R 16286 16288 15942 0 -1 4202496 25142 0 0 0 138 11 0 0 23 0 1 0 8944348 99168256 23658 1992294400 134512640 136485738 4294942160 18446744073709551615 134725667 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16288/statm: 24211 23658 196 482 0 23727 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 96844

[startup+3.10104 s]
/proc/loadavg: 0.94 0.98 0.99 2/107 16289
/proc/meminfo: memFree=1659752/2059040 swapFree=4163504/4192956
[pid=16288] ppid=16286 vsize=199804 CPUtime=3.09
/proc/16288/stat : 16288 (pbct) R 16286 16288 15942 0 -1 4202496 51278 0 0 0 288 21 0 0 25 0 1 0 8944348 204599296 47740 1992294400 134512640 136485738 4294942160 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16288/statm: 49951 47740 224 482 0 49467 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 199804

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

[startup+3.90112 s]
/proc/loadavg: 0.94 0.98 0.99 2/107 16291
/proc/meminfo: memFree=1633092/2059040 swapFree=4163504/4192956
[pid=16288] ppid=16286 vsize=192336 CPUtime=3.89
/proc/16288/stat : 16288 (pbct) R 16286 16288 15942 0 -1 4202496 51602 0 0 0 366 23 0 0 25 0 1 0 8944348 196952064 46423 1992294400 134512640 136485738 4294942160 18446744073709551615 134673556 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16288/statm: 48084 46423 247 482 0 47600 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 192336

[startup+4.30116 s]
/proc/loadavg: 0.94 0.98 0.99 2/107 16291
/proc/meminfo: memFree=1642144/2059040 swapFree=4163504/4192956
[pid=16288] ppid=16286 vsize=187592 CPUtime=4.3
/proc/16288/stat : 16288 (pbct) R 16286 16288 15942 0 -1 4202496 51602 0 0 0 407 23 0 0 25 0 1 0 8944348 192094208 45410 1992294400 134512640 136485738 4294942160 18446744073709551615 135839796 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16288/statm: 46898 45410 247 482 0 46414 0
Current children cumulated CPU time (s) 4.3
Current children cumulated vsize (KiB) 187592

[startup+4.50118 s]
/proc/loadavg: 0.94 0.98 0.99 2/107 16291
/proc/meminfo: memFree=1642144/2059040 swapFree=4163504/4192956
[pid=16288] ppid=16286 vsize=176820 CPUtime=4.49
/proc/16288/stat : 16288 (pbct) R 16286 16288 15942 0 -1 4202496 51602 0 0 0 426 23 0 0 25 0 1 0 8944348 181063680 43783 1992294400 134512640 136485738 4294942160 18446744073709551615 135839787 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16288/statm: 44205 43783 247 482 0 43721 0
Current children cumulated CPU time (s) 4.49
Current children cumulated vsize (KiB) 176820

Child status: 0
Real time (s): 4.54673
CPU time (s): 4.54631
CPU user time (s): 4.29235
CPU system time (s): 0.253961
CPU usage (%): 99.9907
Max. virtual memory (cumulated for all children) (KiB): 200728

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.29235
system time used= 0.253961
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 51603
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= 1
involuntary context switches= 16

runsolver used 0.011998 second user time and 0.027995 second system time

The end

Launcher Data 

Begin job on node056 at 2010-06-16 10:22:14
IDJOB=2667710
IDBENCH=48298
IDSOLVER=1170
FILE ID=node056/2667710-1276676534
PBS_JOBID= 11172540
Free space on /tmp= 98640 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB07/normalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/manquinho/dbsg/normalized-dbsg_500_10_5_15.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2667710-1276676534/watcher-2667710-1276676534 -o /tmp/evaluation-result-2667710-1276676534/solver-2667710-1276676534 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2667710-1276676534.opb

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

MD5SUM BENCH= 5332756aaf3462bb729ff5c6a427694c
RANDOM SEED=993262867

node056.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		: 3000.215
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	: 6000.43
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		: 3000.215
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	: 5599.47
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1824580 kB
Buffers:         29892 kB
Cached:          85484 kB
SwapCached:      12596 kB
Active:          76244 kB
Inactive:        81660 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1824580 kB
SwapTotal:     4192956 kB
SwapFree:      4163504 kB
Dirty:            2196 kB
Writeback:           0 kB
AnonPages:       30152 kB
Mapped:          14072 kB
Slab:            54572 kB
PageTables:       4004 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180184 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= 98636 MiB
End job on node056 at 2010-06-16 10:22:19