Trace number 2681329

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 0.1 fixedSAT 4.68029 4.68055

General information on the benchmark

Namenormalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/
manquinho/dbsg/normalized-dbsg_500_10_3_15.opb
MD5SUMbd09cdc4b500cb737de1028eb4fdb581
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 benchmark1.08383
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)12632
Sum of products size (including duplicates)25264
Number of different products6316
Sum of products size12632

Solver Data 

0.00/0.00	c PB/CT 0.1.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.09/0.13	c constraints 7318/0 clauses 6816/0 units 0
0.09/0.13	c vars 1000
3.69/3.75	c 3.49547 197.258 451 20303
3.69/3.75	s SATISFIABLE
3.69/3.75	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 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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-2681329-1277505352/watcher-2681329-1277505352 -o /tmp/evaluation-result-2681329-1277505352/solver-2681329-1277505352 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2681329-1277505352.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: 1.09 1.04 1.00 3/106 31049
/proc/meminfo: memFree=1860660/2059040 swapFree=4139836/4192956
[pid=31049] ppid=31047 vsize=2268 CPUtime=0
/proc/31049/stat : 31049 (pbct) R 31047 31049 30997 0 -1 4202496 292 0 0 0 0 0 0 0 20 0 1 0 91827483 2322432 211 1992294400 134512640 136421960 4288744928 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31049/statm: 567 211 144 467 0 98 0

[startup+0.0913149 s]
/proc/loadavg: 1.09 1.04 1.00 3/106 31049
/proc/meminfo: memFree=1860660/2059040 swapFree=4139836/4192956
[pid=31049] ppid=31047 vsize=4648 CPUtime=0.08
/proc/31049/stat : 31049 (pbct) R 31047 31049 30997 0 -1 4202496 887 0 0 0 8 0 0 0 20 0 1 0 91827483 4759552 806 1992294400 134512640 136421960 4288744928 18446744073709551615 135818454 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31049/statm: 1162 807 145 467 0 693 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 4648

[startup+0.101316 s]
/proc/loadavg: 1.09 1.04 1.00 3/106 31049
/proc/meminfo: memFree=1860660/2059040 swapFree=4139836/4192956
[pid=31049] ppid=31047 vsize=5060 CPUtime=0.09
/proc/31049/stat : 31049 (pbct) R 31047 31049 30997 0 -1 4202496 972 0 0 0 9 0 0 0 20 0 1 0 91827483 5181440 891 1992294400 134512640 136421960 4288744928 18446744073709551615 135818454 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31049/statm: 1265 892 145 467 0 796 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5060

[startup+0.301353 s]
/proc/loadavg: 1.09 1.04 1.00 3/106 31049
/proc/meminfo: memFree=1860660/2059040 swapFree=4139836/4192956
[pid=31049] ppid=31047 vsize=23568 CPUtime=0.29
/proc/31049/stat : 31049 (pbct) R 31047 31049 30997 0 -1 4202496 5626 0 0 0 27 2 0 0 20 0 1 0 91827483 24133632 5545 1992294400 134512640 136421960 4288744928 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31049/statm: 5892 5546 188 467 0 5423 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 23568

[startup+0.701425 s]
/proc/loadavg: 1.09 1.04 1.00 3/106 31049
/proc/meminfo: memFree=1860660/2059040 swapFree=4139836/4192956
[pid=31049] ppid=31047 vsize=53676 CPUtime=0.69
/proc/31049/stat : 31049 (pbct) R 31047 31049 30997 0 -1 4202496 13627 0 0 0 63 6 0 0 20 0 1 0 91827483 54964224 12977 1992294400 134512640 136421960 4288744928 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31049/statm: 13419 12977 193 467 0 12950 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 53676

[startup+1.50157 s]
/proc/loadavg: 1.09 1.04 1.00 2/107 31050
/proc/meminfo: memFree=1789104/2059040 swapFree=4139836/4192956
[pid=31049] ppid=31047 vsize=106892 CPUtime=1.49
/proc/31049/stat : 31049 (pbct) R 31047 31049 30997 0 -1 4202496 27830 0 0 0 136 13 0 0 22 0 1 0 91827483 109457408 26343 1992294400 134512640 136421960 4288744928 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31049/statm: 26723 26344 193 467 0 26254 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 106892

[startup+3.10086 s]
/proc/loadavg: 1.08 1.04 1.00 2/107 31050
/proc/meminfo: memFree=1690276/2059040 swapFree=4139836/4192956
[pid=31049] ppid=31047 vsize=201296 CPUtime=3.09
/proc/31049/stat : 31049 (pbct) R 31047 31049 30997 0 -1 4202496 51655 0 0 0 286 23 0 0 25 0 1 0 91827483 206127104 48110 1992294400 134512640 136421960 4288744928 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31049/statm: 50324 48110 214 467 0 49855 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 201296

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

[startup+3.90101 s]
/proc/loadavg: 1.08 1.04 1.00 2/107 31050
/proc/meminfo: memFree=1668336/2059040 swapFree=4139836/4192956
[pid=31049] ppid=31047 vsize=193324 CPUtime=3.89
/proc/31049/stat : 31049 (pbct) R 31047 31049 30997 0 -1 4202496 51868 0 0 0 364 25 0 0 25 0 1 0 91827483 197963776 46673 1992294400 134512640 136421960 4288744928 18446744073709551615 135801307 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31049/statm: 48331 46673 240 467 0 47862 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 193324

[startup+4.30108 s]
/proc/loadavg: 1.08 1.04 1.00 2/107 31050
/proc/meminfo: memFree=1677760/2059040 swapFree=4139836/4192956
[pid=31049] ppid=31047 vsize=188572 CPUtime=4.29
/proc/31049/stat : 31049 (pbct) R 31047 31049 30997 0 -1 4202496 51868 0 0 0 404 25 0 0 25 0 1 0 91827483 193097728 45656 1992294400 134512640 136421960 4288744928 18446744073709551615 135801367 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31049/statm: 47143 45656 240 467 0 46674 0
Current children cumulated CPU time (s) 4.29
Current children cumulated vsize (KiB) 188572

[startup+4.50112 s]
/proc/loadavg: 1.08 1.04 1.00 2/107 31050
/proc/meminfo: memFree=1677760/2059040 swapFree=4139836/4192956
[pid=31049] ppid=31047 vsize=188572 CPUtime=4.49
/proc/31049/stat : 31049 (pbct) R 31047 31049 30997 0 -1 4202496 51868 0 0 0 424 25 0 0 25 0 1 0 91827483 193097728 45656 1992294400 134512640 136421960 4288744928 18446744073709551615 135805345 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31049/statm: 47143 45656 240 467 0 46674 0
Current children cumulated CPU time (s) 4.49
Current children cumulated vsize (KiB) 188572

[startup+4.60113 s]
/proc/loadavg: 1.08 1.04 1.00 2/107 31050
/proc/meminfo: memFree=1677760/2059040 swapFree=4139836/4192956
[pid=31049] ppid=31047 vsize=177764 CPUtime=4.59
/proc/31049/stat : 31049 (pbct) R 31047 31049 30997 0 -1 4202496 51868 0 0 0 434 25 0 0 25 0 1 0 91827483 182030336 44019 1992294400 134512640 136421960 4288744928 18446744073709551615 135801367 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31049/statm: 44441 44019 240 467 0 43972 0
Current children cumulated CPU time (s) 4.59
Current children cumulated vsize (KiB) 177764

Child status: 0
Real time (s): 4.68055
CPU time (s): 4.68029
CPU user time (s): 4.40233
CPU system time (s): 0.277957
CPU usage (%): 99.9944
Max. virtual memory (cumulated for all children) (KiB): 201560

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.40233
system time used= 0.277957
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 51869
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= 12

runsolver used 0.011998 second user time and 0.028995 second system time

The end

Launcher Data 

Begin job on node044 at 2010-06-26 00:35:52
IDJOB=2681329
IDBENCH=48323
IDSOLVER=1192
FILE ID=node044/2681329-1277505352
PBS_JOBID= 11190611
Free space on /tmp= 62224 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB07/normalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/manquinho/dbsg/normalized-dbsg_500_10_3_15.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2681329-1277505352/watcher-2681329-1277505352 -o /tmp/evaluation-result-2681329-1277505352/solver-2681329-1277505352 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2681329-1277505352.opb

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

MD5SUM BENCH= bd09cdc4b500cb737de1028eb4fdb581
RANDOM SEED=776384162

node044.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		: 3000.266
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	: 6000.53
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		: 3000.266
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	: 5599.46
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1861188 kB
Buffers:         35204 kB
Cached:          86036 kB
SwapCached:       6152 kB
Active:          62752 kB
Inactive:        71516 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1861188 kB
SwapTotal:     4192956 kB
SwapFree:      4139836 kB
Dirty:            2368 kB
Writeback:           0 kB
AnonPages:       11724 kB
Mapped:          11964 kB
Slab:            41436 kB
PageTables:       4128 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181320 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= 62220 MiB
End job on node044 at 2010-06-26 00:35:57