Trace number 2696003

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_cplex 2010-06-29OPT115 2.53661 2.48621

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/submitted-PB05/
manquinho/logic-synthesis/normalized-rot.b.opb
MD5SUM82ceb454755e01aa6cecb68eb859eaa6
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark115
Best CPU time to get the best result obtained on this benchmark2.53661
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 116
Optimality of the best value was proved NO
Number of variables1451
Total number of constraints2932
Number of constraints which are clauses2932
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint1
Maximum length of a constraint81
Number of terms in the objective function 1451
Biggest coefficient in the objective function 1
Number of bits for the biggest coefficient in the objective function 1
Sum of the numbers in the objective function 1451
Number of bits of the sum of numbers in the objective function 11
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 1451
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_cplex 1.0 - 20100701
0.00/0.00	c Parsing opb file format. File HOME/instance-2696003-1278017972.opb.
0.00/0.00	c Instance file HOME/instance-2696003-1278017972.opb
0.00/0.00	c File size is 363009 bytes.
0.00/0.85	c Highest Coefficient sum: 82
0.00/0.85	c  IBM ILOG License Manager: "IBM ILOG Optimization Suite for Academic Initiative" is accessing CPLEX 12 with option(s): "e m b q ".
0.00/0.87	c ============================[ Problem Statistics ]=============================
0.00/0.87	c |                                                                             |
0.00/0.87	c |  Parsing time:          0.86         s                                      |
0.00/0.87	c |  Number Variables:      1451                                                |
0.00/0.87	c |  Number Constraints:    2932                                                |
0.00/0.87	c ===============================================================================
2.40/2.48	c Remaining time 1799.13 sec.
2.40/2.48	s OPTIMUM FOUND
2.40/2.48	c Solution value = 115.00
2.40/2.48	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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2.40/2.48	c Total CPU time              : 2.49062 s

Verifier Data

OK	115

Watcher Data

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2696003-1278017972/watcher-2696003-1278017972 -o /tmp/evaluation-result-2696003-1278017972/solver-2696003-1278017972 -C 1800 -W 2000 -M 1800 run HOME/instance-2696003-1278017972.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 1.01 3/106 30188
/proc/meminfo: memFree=1444936/2059040 swapFree=4140788/4192956
[pid=30188] ppid=30186 vsize=8700 CPUtime=0
/proc/30188/stat : 30188 (run) S 30186 30188 29904 0 -1 4202496 364 0 0 0 0 0 0 0 18 0 1 0 143090094 8908800 249 1992294400 4194304 4922060 140735509844160 18446744073709551615 222313421957 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/30188/statm: 2175 249 208 178 0 68 0

[startup+0.042994 s]
/proc/loadavg: 1.00 1.00 1.01 3/106 30188
/proc/meminfo: memFree=1444936/2059040 swapFree=4140788/4192956
[pid=30188] ppid=30186 vsize=8700 CPUtime=0
/proc/30188/stat : 30188 (run) S 30186 30188 29904 0 -1 4202496 364 0 0 0 0 0 0 0 18 0 1 0 143090094 8908800 249 1992294400 4194304 4922060 140735509844160 18446744073709551615 222313421957 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/30188/statm: 2175 249 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.100998 s]
/proc/loadavg: 1.00 1.00 1.01 3/106 30188
/proc/meminfo: memFree=1444936/2059040 swapFree=4140788/4192956
[pid=30188] ppid=30186 vsize=8700 CPUtime=0
/proc/30188/stat : 30188 (run) S 30186 30188 29904 0 -1 4202496 364 0 0 0 0 0 0 0 18 0 1 0 143090094 8908800 249 1992294400 4194304 4922060 140735509844160 18446744073709551615 222313421957 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/30188/statm: 2175 249 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.301017 s]
/proc/loadavg: 1.00 1.00 1.01 3/106 30188
/proc/meminfo: memFree=1444936/2059040 swapFree=4140788/4192956
[pid=30188] ppid=30186 vsize=8700 CPUtime=0
/proc/30188/stat : 30188 (run) S 30186 30188 29904 0 -1 4202496 364 0 0 0 0 0 0 0 18 0 1 0 143090094 8908800 249 1992294400 4194304 4922060 140735509844160 18446744073709551615 222313421957 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/30188/statm: 2175 249 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.701057 s]
/proc/loadavg: 1.00 1.00 1.01 3/106 30188
/proc/meminfo: memFree=1444936/2059040 swapFree=4140788/4192956
[pid=30188] ppid=30186 vsize=8700 CPUtime=0
/proc/30188/stat : 30188 (run) S 30186 30188 29904 0 -1 4202496 364 0 0 0 0 0 0 0 18 0 1 0 143090094 8908800 249 1992294400 4194304 4922060 140735509844160 18446744073709551615 222313421957 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/30188/statm: 2175 249 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+1.50114 s]
/proc/loadavg: 1.00 1.00 1.01 2/108 30190
/proc/meminfo: memFree=1437480/2059040 swapFree=4140788/4192956
[pid=30188] ppid=30186 vsize=8700 CPUtime=0
/proc/30188/stat : 30188 (run) S 30186 30188 29904 0 -1 4202496 364 0 0 0 0 0 0 0 18 0 1 0 143090094 8908800 249 1992294400 4194304 4922060 140735509844160 18446744073709551615 222313421957 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/30188/statm: 2175 249 208 178 0 68 0
[pid=30189] ppid=30188 vsize=25156 CPUtime=1.48
/proc/30189/stat : 30189 (pb_cplex) R 30188 30188 29904 0 -1 4202496 5304 0 0 0 147 1 0 0 18 0 1 0 143090094 25759744 3286 1992294400 134512640 146736320 4287806896 18446744073709551615 137708036 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30189/statm: 6289 3286 1008 2985 0 2831 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 33856

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

[startup+1.90117 s]
/proc/loadavg: 1.00 1.00 1.01 2/108 30190
/proc/meminfo: memFree=1437480/2059040 swapFree=4140788/4192956
[pid=30188] ppid=30186 vsize=8700 CPUtime=0
/proc/30188/stat : 30188 (run) S 30186 30188 29904 0 -1 4202496 364 0 0 0 0 0 0 0 18 0 1 0 143090094 8908800 249 1992294400 4194304 4922060 140735509844160 18446744073709551615 222313421957 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/30188/statm: 2175 249 208 178 0 68 0
[pid=30189] ppid=30188 vsize=24076 CPUtime=1.89
/proc/30189/stat : 30189 (pb_cplex) R 30188 30188 29904 0 -1 4202496 6482 0 0 0 187 2 0 0 19 0 1 0 143090094 24653824 3096 1992294400 134512640 146736320 4287806896 18446744073709551615 137084212 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30189/statm: 6019 3096 1008 2985 0 2561 0
Current children cumulated CPU time (s) 1.89
Current children cumulated vsize (KiB) 32776

[startup+2.30222 s]
/proc/loadavg: 1.00 1.00 1.01 2/108 30190
/proc/meminfo: memFree=1435372/2059040 swapFree=4140788/4192956
[pid=30188] ppid=30186 vsize=8700 CPUtime=0
/proc/30188/stat : 30188 (run) S 30186 30188 29904 0 -1 4202496 364 0 0 0 0 0 0 0 18 0 1 0 143090094 8908800 249 1992294400 4194304 4922060 140735509844160 18446744073709551615 222313421957 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/30188/statm: 2175 249 208 178 0 68 0
[pid=30189] ppid=30188 vsize=35988 CPUtime=2.29
/proc/30189/stat : 30189 (pb_cplex) R 30188 30188 29904 0 -1 4202496 7717 0 0 0 226 3 0 0 18 0 1 0 143090094 36851712 3714 1992294400 134512640 146736320 4287806896 18446744073709551615 136015732 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30189/statm: 8997 3714 1060 2985 0 5539 0
Current children cumulated CPU time (s) 2.29
Current children cumulated vsize (KiB) 44688

[startup+2.40023 s]
/proc/loadavg: 1.00 1.00 1.01 2/108 30190
/proc/meminfo: memFree=1435372/2059040 swapFree=4140788/4192956
[pid=30188] ppid=30186 vsize=8700 CPUtime=0
/proc/30188/stat : 30188 (run) S 30186 30188 29904 0 -1 4202496 364 0 0 0 0 0 0 0 18 0 1 0 143090094 8908800 249 1992294400 4194304 4922060 140735509844160 18446744073709551615 222313421957 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/30188/statm: 2175 249 208 178 0 68 0
[pid=30189] ppid=30188 vsize=37012 CPUtime=2.4
/proc/30189/stat : 30189 (pb_cplex) R 30188 30188 29904 0 -1 4202496 7739 0 0 0 237 3 0 0 19 0 2 0 143090094 37900288 3732 1992294400 134512640 146736320 4287806896 18446744073709551615 135851007 0 0 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/30189/statm: 9253 3732 1060 2985 0 5795 0
Current children cumulated CPU time (s) 2.4
Current children cumulated vsize (KiB) 45712

Child status: 0
Real time (s): 2.48621
CPU time (s): 2.53661
CPU user time (s): 2.49162
CPU system time (s): 0.044993
CPU usage (%): 102.027
Max. virtual memory (cumulated for all children) (KiB): 45712

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.49162
system time used= 0.044993
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 8387
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= 277
involuntary context switches= 30

runsolver used 0.009998 second user time and 0.017997 second system time

The end

Launcher Data

Begin job on node036 at 2010-07-01 22:59:32
IDJOB=2696003
IDBENCH=2055
IDSOLVER=1209
FILE ID=node036/2696003-1278017972
PBS_JOBID= 11198727
Free space on /tmp= 62288 MiB

SOLVER NAME= pb_cplex 2010-06-29
BENCH NAME= PB06//final/normalized-PB06/OPT-SMALLINT/submitted-PB05/manquinho/logic-synthesis/normalized-rot.b.opb
COMMAND LINE= run BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2696003-1278017972/watcher-2696003-1278017972 -o /tmp/evaluation-result-2696003-1278017972/solver-2696003-1278017972 -C 1800 -W 2000 -M 1800  run HOME/instance-2696003-1278017972.opb

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

MD5SUM BENCH= 82ceb454755e01aa6cecb68eb859eaa6
RANDOM SEED=887836533

node036.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		: 3000.251
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	: 6000.50
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		: 3000.251
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	: 5599.45
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1445464 kB
Buffers:        154832 kB
Cached:         355124 kB
SwapCached:       6032 kB
Active:         207384 kB
Inactive:       316800 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1445464 kB
SwapTotal:     4192956 kB
SwapFree:      4140788 kB
Dirty:           16908 kB
Writeback:           0 kB
AnonPages:       12532 kB
Mapped:          12220 kB
Slab:            67568 kB
PageTables:       4220 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180796 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= 62272 MiB
End job on node036 at 2010-07-01 22:59:34