Trace number 2684709

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 0.1 fixedSAT 0.309952 0.310287

General information on the benchmark

Name/DEC-SMALLINT-LIN/oliveras/j30/
normalized-j308_6-sat.opb
MD5SUMb8511c7f7603570290c2b75f39e11b42
Bench CategoryDEC-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 benchmark0.039993
Has Objective FunctionNO
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables2976
Total number of constraints9039
Number of constraints which are clauses8851
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints188
Minimum length of a constraint1
Maximum length of a constraint17
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 40
Number of bits of the biggest number in a constraint 6
Biggest sum of numbers in a constraint 127
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

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
0.10/0.10	c constraints 188/0 clauses 1482/0 units 2281
0.10/0.10	c vars 2976
0.19/0.24	c 0.223965 18.2148 1 211
0.19/0.24	s SATISFIABLE
0.19/0.24	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 x186 x187 x188 x189 x190 x191 x192 -x193 -x194 -x195 -x196 -x197 x198 x199 x200 x201 x202 x203 x204 x205 x206 x207 x208 x209 x210 x211 x212 x213 x214 x215 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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-2684709-1278432597/watcher-2684709-1278432597 -o /tmp/evaluation-result-2684709-1278432597/solver-2684709-1278432597 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2684709-1278432597.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: 0.86 0.22 0.07 2/106 20601
/proc/meminfo: memFree=1477608/2059040 swapFree=4192956/4192956
[pid=20601] ppid=20599 vsize=2136 CPUtime=0
/proc/20601/stat : 20601 (pbct) R 20599 20601 20280 0 -1 4202496 248 0 0 0 0 0 0 0 18 0 1 0 11471874 2187264 168 1992294400 134512640 136421960 4287942800 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/20601/statm: 534 168 144 467 0 65 0

[startup+0.05 s]
/proc/loadavg: 0.86 0.22 0.07 2/106 20601
/proc/meminfo: memFree=1477608/2059040 swapFree=4192956/4192956
[pid=20601] ppid=20599 vsize=2268 CPUtime=0.04
/proc/20601/stat : 20601 (pbct) R 20599 20601 20280 0 -1 4202496 293 0 0 0 4 0 0 0 20 0 1 0 11471874 2322432 213 1992294400 134512640 136421960 4287942800 18446744073709551615 134531885 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/20601/statm: 567 213 144 467 0 98 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 2268

[startup+0.101999 s]
/proc/loadavg: 0.86 0.22 0.07 2/106 20601
/proc/meminfo: memFree=1477608/2059040 swapFree=4192956/4192956
[pid=20601] ppid=20599 vsize=2664 CPUtime=0.1
/proc/20601/stat : 20601 (pbct) R 20599 20601 20280 0 -1 4202496 382 0 0 0 10 0 0 0 20 0 1 0 11471874 2727936 302 1992294400 134512640 136421960 4287942800 18446744073709551615 135829965 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/20601/statm: 666 302 146 467 0 197 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 2664

[startup+0.301997 s]
/proc/loadavg: 0.86 0.22 0.07 2/106 20601
/proc/meminfo: memFree=1477608/2059040 swapFree=4192956/4192956
[pid=20601] ppid=20599 vsize=17604 CPUtime=0.29
/proc/20601/stat : 20601 (pbct) R 20599 20601 20280 0 -1 4202496 4324 0 0 0 28 1 0 0 20 0 1 0 11471874 18026496 4041 1992294400 134512640 136421960 4287942800 18446744073709551615 135801367 0 0 4096 16387 0 0 0 17 0 0 0 0
/proc/20601/statm: 4401 4041 238 467 0 3932 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 17604

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

Child status: 0
Real time (s): 0.310287
CPU time (s): 0.309952
CPU user time (s): 0.287956
CPU system time (s): 0.021996
CPU usage (%): 99.892
Max. virtual memory (cumulated for all children) (KiB): 17604

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.287956
system time used= 0.021996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4325
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= 7

runsolver used 0.004999 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node019 at 2010-07-06 18:09:57
IDJOB=2684709
IDBENCH=73416
IDSOLVER=1192
FILE ID=node019/2684709-1278432597
PBS_JOBID= 11233453
Free space on /tmp= 62344 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB10/normalized-PB10/DEC-SMALLINT-LIN/oliveras/j30/normalized-j308_6-sat.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2684709-1278432597/watcher-2684709-1278432597 -o /tmp/evaluation-result-2684709-1278432597/solver-2684709-1278432597 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2684709-1278432597.opb

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

MD5SUM BENCH= b8511c7f7603570290c2b75f39e11b42
RANDOM SEED=653273845

node019.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		: 3000.244
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	: 6000.48
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		: 3000.244
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:       1478004 kB
Buffers:        103100 kB
Cached:         345292 kB
SwapCached:          0 kB
Active:         179356 kB
Inactive:       329232 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1478004 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            2436 kB
Writeback:           0 kB
AnonPages:       60280 kB
Mapped:          14416 kB
Slab:            50612 kB
PageTables:       4164 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182024 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= 62344 MiB
End job on node019 at 2010-07-06 18:09:58