Trace number 1877721

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 NameAnswerobjCPU timeWall clock time
bsolo 3.1OPT165 6.41302 6.41577

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/submitted-PB06/
manquiho/logic_synthesis/normalized-addm4.r.opb
MD5SUM9633aa6e9fb6df7104bc0e43c44542c0
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark165
Best CPU time to get the best result obtained on this benchmark1.89485
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 165
Optimality of the best value was proved YES
Number of variables1073
Total number of constraints832
Number of constraints which are clauses832
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 constraint2
Maximum length of a constraint19
Number of terms in the objective function 1073
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 1073
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 1073
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

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 bsolo beta version 3.1 - 13/04/2009 : 1630 GMT
0.00/0.00	c Developed by Vasco Manquinho and José Santos IST/UTL - INESC-ID
0.00/0.00	c type "bsolo -h" for help
0.00/0.00	c Time Limit set via environment variable PBTIMEOUT to 1800
0.00/0.00	c Learning Strategy: Cardinality Constraint Learning
0.00/0.00	c Time Limit set to 1800
0.00/0.00	c Memory Limit set to 1800 MB
0.00/0.00	c Instance file HOME/instance-1877721-1245172193.opb
0.00/0.00	c File size is 57348 bytes.
0.00/0.00	c Highest Coefficient sum: 1073
0.00/0.00	c Parsing was ok!!
0.00/0.00	c Total parsing time: 0.008 s
0.00/0.01	c Var: 1073 Constr: 832 832/0/0 Lit: 5389 Watch. Lit: 1664
0.00/0.01	c Obj. Vars: 1073 (100 % of total variables)
0.00/0.02	c Formula reductions applied at preprocessing
0.00/0.02	c Pre-processing Time: 0.019 s
0.00/0.07	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.00/0.07	c        0    449      525     2970    5     1050     174      0      0 0.02
0.00/0.07	c Initial Lower Bound: 164
0.00/0.07	c Initial Path Cost: 53
0.00/0.07	o 191
0.19/0.24	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.19/0.24	c        0    449      526     3419    6     1363    1174      1      0 0.07
0.19/0.24	o 169
0.49/0.50	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.49/0.50	c        0    449      527     3868    7     1698    2174      2      0 0.24
0.49/0.50	o 168
0.79/0.84	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.79/0.84	c        6    449      545     5400    9     2068    2174     20     11 0.50
0.79/0.84	o 167
0.89/0.97	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.89/0.97	c       18    449      580     8335   14     2473    2174     55     21 0.84
0.89/0.97	o 166
1.89/1.97	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
1.89/1.97	c       19    449      584     8838   15     2817    2174     59     19 0.97
1.89/1.97	c      119    449      869    19531   22     3387    2392    344     64 1.84
1.89/1.97	o 165
6.39/6.41	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
6.39/6.41	c      121    449      876    20061   22     3738    2174    351     61 1.97
6.39/6.41	c      224    449     1179    30239   25     4344    2392    654     80 2.77
6.39/6.41	c      477    449     1922    55429   28     5830    2632   1397    103 4.61
6.39/6.41	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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-x1036 -x1037 -x1038 -x1039 -x1040 x1041 -x1042 -x1043 -x1044 -x1045 -x1046 -x1047 -x1048 -x1049 -x1050 -x1051 -x1052 -x1053 -x1054 -x1055 -x1056 -x1057 x1058 -x1059 x1060 -x1061 -x1062 -x1063 -x1064 -x1065 -x1066 x1067 x1068 -x1069 x1070 -x1071 -x1072 -x1073 
6.39/6.41	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
6.39/6.41	c    9      718     12     1379     2634    75271   2109    111 6.41
6.39/6.41	c Objective: 165
6.39/6.41	s OPTIMUM FOUND
6.39/6.41	c Total time: 6.412 s

Verifier Data 

OK	165

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1877721-1245172193/watcher-1877721-1245172193 -o /tmp/evaluation-result-1877721-1245172193/solver-1877721-1245172193 -C 1800 -W 2000 -M 1800 bsolo -l2 -t1800 -m1800 HOME/instance-1877721-1245172193.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 1.00 3/64 8547
/proc/meminfo: memFree=1916392/2055920 swapFree=4180860/4192956
[pid=8547] ppid=8545 vsize=10784 CPUtime=0
/proc/8547/stat : 8547 (bsolo) R 8545 8547 8198 0 -1 4194304 254 0 0 0 0 0 0 0 18 0 1 0 184819938 11042816 238 1992294400 134512640 137136520 4294956256 18446744073709551615 136525854 0 0 4096 16384 0 0 0 17 1 0 0
/proc/8547/statm: 2696 238 174 640 0 2037 0

[startup+0.075687 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 8547
/proc/meminfo: memFree=1916392/2055920 swapFree=4180860/4192956
[pid=8547] ppid=8545 vsize=11948 CPUtime=0.07
/proc/8547/stat : 8547 (bsolo) R 8545 8547 8198 0 -1 4194304 671 0 0 0 7 0 0 0 18 0 1 0 184819938 12234752 519 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/8547/statm: 2987 519 289 640 0 2343 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 11948

[startup+0.101692 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 8547
/proc/meminfo: memFree=1916392/2055920 swapFree=4180860/4192956
[pid=8547] ppid=8545 vsize=12008 CPUtime=0.09
/proc/8547/stat : 8547 (bsolo) R 8545 8547 8198 0 -1 4194304 1387 0 0 0 9 0 0 0 18 0 1 0 184819938 12296192 521 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/8547/statm: 3002 522 289 640 0 2358 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 12008

[startup+0.301728 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 8547
/proc/meminfo: memFree=1916392/2055920 swapFree=4180860/4192956
[pid=8547] ppid=8545 vsize=12500 CPUtime=0.29
/proc/8547/stat : 8547 (bsolo) R 8545 8547 8198 0 -1 4194304 5100 0 0 0 28 1 0 0 19 0 1 0 184819938 12800000 568 1992294400 134512640 137136520 4294956256 18446744073709551615 136504572 0 0 4096 16384 0 0 0 17 1 0 0
/proc/8547/statm: 3125 568 290 640 0 2481 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12500

[startup+0.7018 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 8547
/proc/meminfo: memFree=1916392/2055920 swapFree=4180860/4192956
[pid=8547] ppid=8545 vsize=12180 CPUtime=0.69
/proc/8547/stat : 8547 (bsolo) R 8545 8547 8198 0 -1 4194304 13233 0 0 0 66 3 0 0 22 0 1 0 184819938 12472320 530 1992294400 134512640 137136520 4294956256 18446744073709551615 136504572 0 0 4096 16384 0 0 0 17 1 0 0
/proc/8547/statm: 3078 534 292 640 0 2434 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 12180

[startup+1.50194 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 8548
/proc/meminfo: memFree=1915296/2055920 swapFree=4180860/4192956
[pid=8547] ppid=8545 vsize=12140 CPUtime=1.49
/proc/8547/stat : 8547 (bsolo) R 8545 8547 8198 0 -1 4194304 30878 0 0 0 140 9 0 0 25 0 1 0 184819938 12431360 562 1992294400 134512640 137136520 4294956256 18446744073709551615 135380750 0 0 4096 16384 0 0 0 17 1 0 0
/proc/8547/statm: 3035 562 292 640 0 2391 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 12140

[startup+3.10123 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 8548
/proc/meminfo: memFree=1914976/2055920 swapFree=4180860/4192956
[pid=8547] ppid=8545 vsize=12468 CPUtime=3.09
/proc/8547/stat : 8547 (bsolo) R 8545 8547 8198 0 -1 4194304 66641 0 0 0 289 20 0 0 25 0 1 0 184819938 12767232 637 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/8547/statm: 3117 637 292 640 0 2473 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 12468

[startup+6.3018 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 8548
/proc/meminfo: memFree=1914080/2055920 swapFree=4180860/4192956
[pid=8547] ppid=8545 vsize=13448 CPUtime=6.29
/proc/8547/stat : 8547 (bsolo) R 8545 8547 8198 0 -1 4194304 138463 0 0 0 587 42 0 0 25 0 1 0 184819938 13770752 837 1992294400 134512640 137136520 4294956256 18446744073709551615 135443216 0 0 4096 16384 0 0 0 17 1 0 0
/proc/8547/statm: 3362 837 292 640 0 2718 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 13448

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

[startup+6.40182 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 8548
/proc/meminfo: memFree=1914080/2055920 swapFree=4180860/4192956
[pid=8547] ppid=8545 vsize=12292 CPUtime=6.39
/proc/8547/stat : 8547 (bsolo) R 8545 8547 8198 0 -1 4194304 139848 0 0 0 597 42 0 0 25 0 1 0 184819938 12587008 766 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/8547/statm: 3073 766 292 640 0 2429 0
Current children cumulated CPU time (s) 6.39
Current children cumulated vsize (KiB) 12292

Child status: 0
Real time (s): 6.41577
CPU time (s): 6.41302
CPU user time (s): 5.98209
CPU system time (s): 0.430934
CPU usage (%): 99.9573
Max. virtual memory (cumulated for all children) (KiB): 13452

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 5.98209
system time used= 0.430934
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 140113
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= 3
involuntary context switches= 6

runsolver used 0.011998 second user time and 0.019996 second system time

The end

Launcher Data 

Begin job on node12 at 2009-06-16 19:09:53
IDJOB=1877721
IDBENCH=2842
IDSOLVER=699
FILE ID=node12/1877721-1245172193
PBS_JOBID= 9363884
Free space on /tmp= 66236 MiB

SOLVER NAME= bsolo 3.1
BENCH NAME= PB06/final/normalized-PB06/OPT-SMALLINT/submitted-PB06/manquiho/logic_synthesis/normalized-addm4.r.opb
COMMAND LINE= bsolo -l2 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1877721-1245172193/watcher-1877721-1245172193 -o /tmp/evaluation-result-1877721-1245172193/solver-1877721-1245172193 -C 1800 -W 2000 -M 1800  bsolo -l2 -t1800 -m1800 HOME/instance-1877721-1245172193.opb

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

MD5SUM BENCH= 9633aa6e9fb6df7104bc0e43c44542c0
RANDOM SEED=738090730

node12.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.281
cache size	: 2048 KB
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 pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5914.62
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		: 3000.281
cache size	: 2048 KB
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 pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1916744 kB
Buffers:         30056 kB
Cached:          60240 kB
SwapCached:       6264 kB
Active:          51964 kB
Inactive:        46648 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1916744 kB
SwapTotal:     4192956 kB
SwapFree:      4180860 kB
Dirty:            4000 kB
Writeback:           0 kB
Mapped:          13500 kB
Slab:            26520 kB
Committed_AS:   174800 kB
PageTables:       1380 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-1877721-1245172193.opb

Free space on /tmp at the end= 66232 MiB
End job on node12 at 2009-06-16 19:10:00