Trace number 2668843

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 2.90556 2.90645

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1111217380.opb
MD5SUMfbac82926fe3d2a8355fb98756d16ff9
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
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 benchmark0.052991
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables169
Total number of constraints101
Number of constraints which are clauses30
Number of constraints which are cardinality constraints (but not clauses)70
Number of constraints which are nor clauses,nor cardinality constraints1
Minimum length of a constraint2
Maximum length of a constraint169
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 38
Number of bits of the biggest number in a constraint 6
Biggest sum of numbers in a constraint 1172
Number of bits of the biggest sum of numbers11
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

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
0.00/0.00	c constraints 71/0 clauses 30/0 units 0
0.00/0.00	c vars 169
2.79/2.89	c 2.6326 7.74219 1547 16155
2.79/2.89	s SATISFIABLE
2.79/2.89	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

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-2668843-1276432010/watcher-2668843-1276432010 -o /tmp/evaluation-result-2668843-1276432010/solver-2668843-1276432010 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2668843-1276432010.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: 0.97 0.98 0.99 3/106 23107
/proc/meminfo: memFree=1832880/2059040 swapFree=4140476/4192956
[pid=23107] ppid=23105 vsize=3384 CPUtime=0
/proc/23107/stat : 23107 (pbct) R 23105 23107 23028 0 -1 4202496 531 0 0 0 0 0 0 0 20 0 1 0 18804480 3465216 454 1992294400 134512640 136485738 4289330912 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23107/statm: 846 455 190 482 0 362 0

[startup+0.0113001 s]
/proc/loadavg: 0.97 0.98 0.99 3/106 23107
/proc/meminfo: memFree=1832880/2059040 swapFree=4140476/4192956
[pid=23107] ppid=23105 vsize=3644 CPUtime=0
/proc/23107/stat : 23107 (pbct) R 23105 23107 23028 0 -1 4202496 609 0 0 0 0 0 0 0 20 0 1 0 18804480 3731456 532 1992294400 134512640 136485738 4289330912 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23107/statm: 911 533 196 482 0 427 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 3644

[startup+0.101317 s]
/proc/loadavg: 0.97 0.98 0.99 3/106 23107
/proc/meminfo: memFree=1832880/2059040 swapFree=4140476/4192956
[pid=23107] ppid=23105 vsize=7408 CPUtime=0.09
/proc/23107/stat : 23107 (pbct) R 23105 23107 23028 0 -1 4202496 1553 0 0 0 9 0 0 0 20 0 1 0 18804480 7585792 1476 1992294400 134512640 136485738 4289330912 18446744073709551615 135047572 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23107/statm: 1852 1476 223 482 0 1368 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7408

[startup+0.301354 s]
/proc/loadavg: 0.97 0.98 0.99 3/106 23107
/proc/meminfo: memFree=1832880/2059040 swapFree=4140476/4192956
[pid=23107] ppid=23105 vsize=7668 CPUtime=0.29
/proc/23107/stat : 23107 (pbct) R 23105 23107 23028 0 -1 4202496 1603 0 0 0 27 2 0 0 20 0 1 0 18804480 7852032 1526 1992294400 134512640 136485738 4289330912 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23107/statm: 1917 1526 223 482 0 1433 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7668

[startup+0.701428 s]
/proc/loadavg: 0.97 0.98 0.99 3/106 23107
/proc/meminfo: memFree=1832880/2059040 swapFree=4140476/4192956
[pid=23107] ppid=23105 vsize=7796 CPUtime=0.69
/proc/23107/stat : 23107 (pbct) R 23105 23107 23028 0 -1 4202496 1641 0 0 0 62 7 0 0 20 0 1 0 18804480 7983104 1564 1992294400 134512640 136485738 4289330912 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23107/statm: 1949 1564 223 482 0 1465 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 7796

[startup+1.50058 s]
/proc/loadavg: 0.97 0.98 0.99 2/107 23108
/proc/meminfo: memFree=1827416/2059040 swapFree=4140476/4192956
[pid=23107] ppid=23105 vsize=7796 CPUtime=1.49
/proc/23107/stat : 23107 (pbct) R 23105 23107 23028 0 -1 4202496 1656 0 0 0 135 14 0 0 22 0 1 0 18804480 7983104 1579 1992294400 134512640 136485738 4289330912 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23107/statm: 1949 1579 223 482 0 1465 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 7796

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

[startup+2.30072 s]
/proc/loadavg: 0.97 0.98 0.99 2/107 23108
/proc/meminfo: memFree=1827168/2059040 swapFree=4140476/4192956
[pid=23107] ppid=23105 vsize=7796 CPUtime=2.29
/proc/23107/stat : 23107 (pbct) R 23105 23107 23028 0 -1 4202496 1656 0 0 0 209 20 0 0 25 0 1 0 18804480 7983104 1579 1992294400 134512640 136485738 4289330912 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23107/statm: 1949 1579 223 482 0 1465 0
Current children cumulated CPU time (s) 2.29
Current children cumulated vsize (KiB) 7796

[startup+2.7008 s]
/proc/loadavg: 0.97 0.98 0.99 2/107 23108
/proc/meminfo: memFree=1827168/2059040 swapFree=4140476/4192956
[pid=23107] ppid=23105 vsize=7796 CPUtime=2.69
/proc/23107/stat : 23107 (pbct) R 23105 23107 23028 0 -1 4202496 1657 0 0 0 245 24 0 0 25 0 1 0 18804480 7983104 1580 1992294400 134512640 136485738 4289330912 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23107/statm: 1949 1580 223 482 0 1465 0
Current children cumulated CPU time (s) 2.69
Current children cumulated vsize (KiB) 7796

[startup+2.90084 s]
/proc/loadavg: 0.97 0.98 0.99 2/107 23108
/proc/meminfo: memFree=1827168/2059040 swapFree=4140476/4192956
[pid=23107] ppid=23105 vsize=7144 CPUtime=2.89
/proc/23107/stat : 23107 (pbct) R 23105 23107 23028 0 -1 4202496 1688 0 0 0 264 25 0 0 25 0 1 0 18804480 7315456 1471 1992294400 134512640 136485738 4289330912 18446744073709551615 134720107 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23107/statm: 1786 1471 245 482 0 1302 0
Current children cumulated CPU time (s) 2.89
Current children cumulated vsize (KiB) 7144

Child status: 0
Real time (s): 2.90645
CPU time (s): 2.90556
CPU user time (s): 2.6456
CPU system time (s): 0.25996
CPU usage (%): 99.9693
Max. virtual memory (cumulated for all children) (KiB): 7924

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.6456
system time used= 0.25996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1689
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= 6

runsolver used 0.006998 second user time and 0.018997 second system time

The end

Launcher Data 

Begin job on node007 at 2010-06-13 14:26:50
IDJOB=2668843
IDBENCH=1175
IDSOLVER=1170
FILE ID=node007/2668843-1276432010
PBS_JOBID= 11173317
Free space on /tmp= 62456 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1111217380.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2668843-1276432010/watcher-2668843-1276432010 -o /tmp/evaluation-result-2668843-1276432010/solver-2668843-1276432010 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2668843-1276432010.opb

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

MD5SUM BENCH= fbac82926fe3d2a8355fb98756d16ff9
RANDOM SEED=1463560235

node007.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	: 5599.44
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1833400 kB
Buffers:         23832 kB
Cached:         122680 kB
SwapCached:       6692 kB
Active:         101980 kB
Inactive:        58040 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1833400 kB
SwapTotal:     4192956 kB
SwapFree:      4140476 kB
Dirty:            1968 kB
Writeback:           0 kB
AnonPages:       11088 kB
Mapped:          12896 kB
Slab:            43896 kB
PageTables:       4084 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181504 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= 62456 MiB
End job on node007 at 2010-06-13 14:26:53