Trace number 2682766

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
PB/CT 0.1 fixedOPT20 1.63375 1.63394

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/submitted-PB05/
manquinho/ttp/normalized-circ4_3.opb
MD5SUM6b7a318661ea9d7a03f30f3e64874f46
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark20
Best CPU time to get the best result obtained on this benchmark0.548916
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 20
Optimality of the best value was proved YES
Number of variables144
Total number of constraints704
Number of constraints which are clauses464
Number of constraints which are cardinality constraints (but not clauses)96
Number of constraints which are nor clauses,nor cardinality constraints144
Minimum length of a constraint2
Maximum length of a constraint12
Number of terms in the objective function 48
Biggest coefficient in the objective function 2
Number of bits for the biggest coefficient in the objective function 2
Sum of the numbers in the objective function 64
Number of bits of the sum of numbers in the objective function 7
Biggest number in a constraint 8
Number of bits of the biggest number in a constraint 4
Biggest sum of numbers in a constraint 64
Number of bits of the biggest sum of numbers7
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Quality of the solution as a function of time


Download the above graph as a PDF file / as an EPS file

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
0.00/0.00	c constraints 240/0 clauses 464/0 units 0
0.00/0.00	c vars 144
0.00/0.00	c objective 48 + 0
0.00/0.09	c 0.084987 9.64453 27 298
0.00/0.09	o 24
0.09/0.10	c 0.098984 9.83203 73 417
0.09/0.10	o 20
1.60/1.60	c 1.55776 9.95703 656 4917
1.60/1.60	s OPTIMUM FOUND
1.60/1.60	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

Verifier Data 

OK	20

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2682766-1277479323/watcher-2682766-1277479323 -o /tmp/evaluation-result-2682766-1277479323/solver-2682766-1277479323 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2682766-1277479323.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: 0.99 0.97 0.91 3/105 27787
/proc/meminfo: memFree=1815972/2059040 swapFree=4140332/4192956
[pid=27787] ppid=27785 vsize=2136 CPUtime=0
/proc/27787/stat : 27787 (pbct) R 27785 27787 27558 0 -1 4202496 270 0 0 0 0 0 0 0 25 0 1 0 89226386 2187264 189 1992294400 134512640 136421960 4287157232 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/27787/statm: 534 189 145 467 0 65 0

[startup+0.098255 s]
/proc/loadavg: 0.99 0.97 0.91 3/105 27787
/proc/meminfo: memFree=1815972/2059040 swapFree=4140332/4192956
[pid=27787] ppid=27785 vsize=10064 CPUtime=0.08
/proc/27787/stat : 27787 (pbct) R 27785 27787 27558 0 -1 4202496 2226 0 0 0 8 0 0 0 25 0 1 0 89226386 10305536 2144 1992294400 134512640 136421960 4287157232 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27787/statm: 2516 2144 237 467 0 2047 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 10064

[startup+0.101256 s]
/proc/loadavg: 0.99 0.97 0.91 3/105 27787
/proc/meminfo: memFree=1815972/2059040 swapFree=4140332/4192956
[pid=27787] ppid=27785 vsize=10064 CPUtime=0.09
/proc/27787/stat : 27787 (pbct) R 27785 27787 27558 0 -1 4202496 2226 0 0 0 9 0 0 0 25 0 1 0 89226386 10305536 2144 1992294400 134512640 136421960 4287157232 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27787/statm: 2516 2144 237 467 0 2047 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 10064

[startup+0.301276 s]
/proc/loadavg: 0.99 0.97 0.91 3/105 27787
/proc/meminfo: memFree=1815972/2059040 swapFree=4140332/4192956
[pid=27787] ppid=27785 vsize=10064 CPUtime=0.29
/proc/27787/stat : 27787 (pbct) R 27785 27787 27558 0 -1 4202496 2229 0 0 0 28 1 0 0 25 0 1 0 89226386 10305536 2146 1992294400 134512640 136421960 4287157232 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27787/statm: 2516 2146 237 467 0 2047 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 10064

[startup+0.701319 s]
/proc/loadavg: 0.99 0.97 0.91 3/105 27787
/proc/meminfo: memFree=1815972/2059040 swapFree=4140332/4192956
[pid=27787] ppid=27785 vsize=10192 CPUtime=0.69
/proc/27787/stat : 27787 (pbct) R 27785 27787 27558 0 -1 4202496 2246 0 0 0 67 2 0 0 25 0 1 0 89226386 10436608 2163 1992294400 134512640 136421960 4287157232 18446744073709551615 135020636 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27787/statm: 2548 2163 237 467 0 2079 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 10192

[startup+1.5014 s]
/proc/loadavg: 0.99 0.97 0.91 2/106 27788
/proc/meminfo: memFree=1808028/2059040 swapFree=4140332/4192956
[pid=27787] ppid=27785 vsize=10192 CPUtime=1.49
/proc/27787/stat : 27787 (pbct) R 27785 27787 27558 0 -1 4202496 2265 0 0 0 145 4 0 0 25 0 1 0 89226386 10436608 2182 1992294400 134512640 136421960 4287157232 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27787/statm: 2548 2182 237 467 0 2079 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 10192

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

[startup+1.60141 s]
/proc/loadavg: 0.99 0.97 0.91 2/106 27788
/proc/meminfo: memFree=1808028/2059040 swapFree=4140332/4192956
[pid=27787] ppid=27785 vsize=10192 CPUtime=1.6
/proc/27787/stat : 27787 (pbct) R 27785 27787 27558 0 -1 4202496 2265 0 0 0 155 5 0 0 25 0 1 0 89226386 10436608 2182 1992294400 134512640 136421960 4287157232 18446744073709551615 134862087 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/27787/statm: 2548 2182 237 467 0 2079 0
Current children cumulated CPU time (s) 1.6
Current children cumulated vsize (KiB) 10192

Child status: 0
Real time (s): 1.63394
CPU time (s): 1.63375
CPU user time (s): 1.58176
CPU system time (s): 0.051992
CPU usage (%): 99.9882
Max. virtual memory (cumulated for all children) (KiB): 10192

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.58176
system time used= 0.051992
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2270
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= 5

runsolver used 0.007998 second user time and 0.010998 second system time

The end

Launcher Data 

Begin job on node081 at 2010-06-25 17:22:03
IDJOB=2682766
IDBENCH=2012
IDSOLVER=1192
FILE ID=node081/2682766-1277479323
PBS_JOBID= 11190487
Free space on /tmp= 121788 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB06//final/normalized-PB06/OPT-SMALLINT/submitted-PB05/manquinho/ttp/normalized-circ4_3.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2682766-1277479323/watcher-2682766-1277479323 -o /tmp/evaluation-result-2682766-1277479323/solver-2682766-1277479323 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2682766-1277479323.opb

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

MD5SUM BENCH= 6b7a318661ea9d7a03f30f3e64874f46
RANDOM SEED=1516700408

node081.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		: 3000.212
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	: 6000.42
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		: 3000.212
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	: 5999.41
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1816376 kB
Buffers:         40196 kB
Cached:         104056 kB
SwapCached:       5772 kB
Active:          61016 kB
Inactive:        96736 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1816376 kB
SwapTotal:     4192956 kB
SwapFree:      4140332 kB
Dirty:            2052 kB
Writeback:           0 kB
AnonPages:       11720 kB
Mapped:          12108 kB
Slab:            63060 kB
PageTables:       4036 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180620 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264964 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 121784 MiB
End job on node081 at 2010-06-25 17:22:05