Trace number 39550

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, and are wall clock time (not CPU 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
bsolo 2006/05SAT 12.6681 12.6918

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/
namasivayam/tsp/normalized-t3002.11tsp11.1900557413.opb
MD5SUMf1d4a2e32a581ad991c79b68e8396da7
Bench CategorySATUNSAT-SMALLINT-LIN (no optimisation, small integers, 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 benchmark0.526919
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables231
Total number of constraints2707
Number of constraints which are clauses2684
Number of constraints which are cardinality constraints (but not clauses)22
Number of constraints which are nor clauses,nor cardinality constraints1
Minimum length of a constraint2
Maximum length of a constraint110
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 25
Number of bits of the biggest number in a constraint 5
Biggest sum of numbers in a constraint 593
Number of bits of the biggest sum of numbers10
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data (download as text)

0.00	c Time Limit set via PBTIMEOUT to 1800
0.01	c INFO: OSL Context initialized.
0.06	c Initial problem consists of 231 variables and 2707 constraints.
0.08	c Using non-optimization problem switches.
0.08	c No problem reductions applied in OPT. instance.
0.08	c	preprocess terminated. Elapsed time: 0.063
0.08	c After prepocess the problem consists of 231 variables and 2586 constraints.
0.11	c Restart #1 #Var: 231 LB: 0 @ 0.099
0.25	c Restart #2 #Var: 231 LB: 0 @ 0.233
0.43	c Restart #3 #Var: 231 LB: 0 @ 0.418
0.60	c Restart #4 #Var: 231 LB: 0 @ 0.588
0.81	c Restart #5 #Var: 231 LB: 0 @ 0.801
1.03	c Restart #6 #Var: 231 LB: 0 @ 1.019
1.35	c Restart #7 #Var: 231 LB: 0 @ 1.337
1.69	c Restart #8 #Var: 231 LB: 0 @ 1.68
2.13	c Restart #9 #Var: 231 LB: 0 @ 2.121
2.65	c Restart #10 #Var: 231 LB: 0 @ 2.639
3.13	c Restart #11 #Var: 231 LB: 0 @ 3.119
3.90	c Restart #12 #Var: 231 LB: 0 @ 3.884
4.71	c Restart #13 #Var: 231 LB: 0 @ 4.701
5.62	c Restart #14 #Var: 231 LB: 0 @ 5.603
6.66	c Restart #15 #Var: 231 LB: 0 @ 6.641
7.64	c Restart #16 #Var: 231 LB: 0 @ 7.623
8.86	c Restart #17 #Var: 231 LB: 0 @ 8.845
9.94	c Restart #18 #Var: 231 LB: 0 @ 9.924
11.70	c Restart #19 #Var: 231 LB: 0 @ 11.68
12.68	c Sol. found (all assignments made)...
12.68	o 0
12.68	c NEW SOLUTION FOUND: 0 @ 12.66
12.68	s SATISFIABLE
12.68	c Cost: 0
12.68	v -x1 -x12 -x2 -x13 -x3 -x14 -x4 -x15 -x5 -x16 -x6 -x17 -x7 -x18 -x8 -x19 x9 -x20 -x10 -x21 -x11 x22 x23 -x24 -x25 -x26 -x27 -x28 -x29
12.68	v -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
12.68	v -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
12.68	v -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
12.68	v x107 -x108 -x109 -x110 -x111 -x112 -x113 -x114 -x115 -x116 x117 -x118 -x119 -x120 -x121 -x132 -x142 -x152 -x162 -x172 -x182
12.68	v -x192 -x202 -x212 x222 x122 -x143 -x153 -x163 -x173 -x183 -x193 -x203 -x213 -x223 -x123 -x133 -x154 -x164 x174 -x184 -x194
12.68	v -x204 -x214 -x224 -x124 x134 -x144 -x165 -x175 -x185 -x195 -x205 -x215 -x225 -x125 -x135 -x145 -x155 -x176 -x186 -x196 -x206
12.68	v x216 -x226 -x126 -x136 -x146 -x156 x166 -x187 -x197 -x207 -x217 -x227 -x127 -x137 -x147 -x157 -x167 -x177 x198 -x208 -x218
12.68	v -x228 -x128 -x138 x148 -x158 -x168 -x178 -x188 -x209 -x219 -x229 -x129 -x139 -x149 -x159 -x169 -x179 x189 -x199 -x220 -x230
12.68	v -x130 -x140 -x150 x160 -x170 -x180 -x190 -x200 -x210 -x231 -x131 -x141 -x151 -x161 -x171 -x181 -x191 -x201 x211 -x221
12.68	c Exit Code: 10
12.68	c Total time: 12.66 s

Verifier Data (download as text)

OK	0

Watcher Data (download as text)

Enforcing CPU limit (will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime (will send SIGXCPU) limit: 1830 seconds
Enforcing Stack size limit: 67108864 bytes
Enforcing memory limit (will send SIGKILL): 1843200 Kb
Enforcing VSIZE limit: 1887436800 bytes
runsolver version 3.0.0 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node41/watcher-39550-1149217071 -o ROOT/results/node41/solver-39550-1149217071 -C 1800 -M 1800 -S 64 ROOT/solvers/PB/PB06final/user10/bsolo ROOT/tmp/node41/39550-1149217071/instance-39550-1149217071.opb 

Current StackSize limit: 67108864 bytes

/proc/loadavg: 0.68 0.90 0.91 2/64 18523
/proc/meminfo: memFree=1280504/2055920 swapFree=4180940/4192956
[pid=18523] ppid=18521 vsize=3364 CPUtime=0
/proc/18523/stat : 18523 (bsolo) R 18521 18523 18478 0 -1 0 56 0 0 0 0 0 0 0 19 0 1 0 187373718 3444736 39 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 1964685 0 0 4096 0 0 0 0 17 1 0 0
/proc/18523/statm: 841 43 32 55 0 40 0

[startup+10.0021 s]
/proc/loadavg: 0.72 0.91 0.91 2/64 18523
/proc/meminfo: memFree=1256760/2055920 swapFree=4180940/4192956
[pid=18523] ppid=18521 vsize=28104 CPUtime=9.98
/proc/18523/stat : 18523 (bsolo) R 18521 18523 18478 0 -1 0 6304 0 0 0 992 6 0 0 25 0 1 0 187373718 28778496 6219 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 134718240 0 0 4096 16384 0 0 0 17 1 0 0
/proc/18523/statm: 7026 6219 296 55 0 5918 0
Current children cumulated CPU time (s) 9.98
Current children cumulated vsize (Kb) 28104

Child status: 10
Real time (s): 12.6918
CPU time (s): 12.6681
CPU user time (s): 12.5901
CPU system time (s): 0.077988
CPU usage (%): 99.8127
Max. virtual memory (cumulated for all children) (Kb): 28104

Launcher Data (download as text)

Begin job on node41 on Fri Jun  2 02:57:52 UTC 2006


FILE ID= 39550-1149217071

PBS_JOBID= 294901

BENCH NAME= ROOT/tmp/node41/39550-1149217071/instance-39550-1149217071.opb
COMMAND LINE= ROOT/solvers/PB/PB06final/user10/bsolo ROOT/tmp/node41/39550-1149217071/instance-39550-1149217071.opb
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node41/watcher-39550-1149217071 -o ROOT/results/node41/solver-39550-1149217071 -C 1800 -M 1800 -S 64  ROOT/solvers/PB/PB06final/user10/bsolo ROOT/tmp/node41/39550-1149217071/instance-39550-1149217071.opb

MD5SUM SOLVER= 05cada221eb1efaaae980ebc7509e7e8
MD5SUM BENCH=  f1d4a2e32a581ad991c79b68e8396da7

RANDOM SEED= 520229599


/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		: 3000.265
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		: 3000.265
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:       1280712 kB
Buffers:         31108 kB
Cached:         671676 kB
SwapCached:       4008 kB
Active:         138876 kB
Inactive:       572896 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1280712 kB
SwapTotal:     4192956 kB
SwapFree:      4180940 kB
Dirty:             276 kB
Writeback:           0 kB
Mapped:          14924 kB
Slab:            49452 kB
Committed_AS:   210828 kB
PageTables:       1496 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB


End job on node41 on Fri Jun  2 02:58:04 UTC 2006