Trace number 2682640

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 1.79273 1.79337

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/
FPGA_SAT05/normalized-fpga35_33_sat_pb.cnf.cr.opb
MD5SUMd807de21f10c00acae1479f7b1348df5
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
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 benchmark0.029995
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1733
Total number of constraints1256
Number of constraints which are clauses1188
Number of constraints which are cardinality constraints (but not clauses)68
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint17
Maximum length of a constraint35
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 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 36
Number of bits of the biggest sum of numbers6
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
0.01/0.07	c constraints 68/0 clauses 1188/0 units 0
0.01/0.07	c vars 1733
1.69/1.72	c 1.43778 19.707 3593 41522
1.69/1.72	s SATISFIABLE
1.69/1.72	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 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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-2682640-1277476191/watcher-2682640-1277476191 -o /tmp/evaluation-result-2682640-1277476191/solver-2682640-1277476191 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2682640-1277476191.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 0.84 0.44 3/106 29210
/proc/meminfo: memFree=1782560/2059040 swapFree=4139096/4192956
[pid=29210] ppid=29208 vsize=2136 CPUtime=0
/proc/29210/stat : 29210 (pbct) R 29208 29210 29007 0 -1 4202496 243 0 0 0 0 0 0 0 25 0 1 0 88914514 2187264 162 1992294400 134512640 136421960 4291538352 18446744073709551615 135810571 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29210/statm: 534 163 144 467 0 65 0

[startup+0.021037 s]
/proc/loadavg: 0.99 0.84 0.44 3/106 29210
/proc/meminfo: memFree=1782560/2059040 swapFree=4139096/4192956
[pid=29210] ppid=29208 vsize=2136 CPUtime=0.01
/proc/29210/stat : 29210 (pbct) R 29208 29210 29007 0 -1 4202496 250 0 0 0 1 0 0 0 25 0 1 0 88914514 2187264 169 1992294400 134512640 136421960 4291538352 18446744073709551615 135521402 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29210/statm: 534 169 144 467 0 65 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 2136

[startup+0.101042 s]
/proc/loadavg: 0.99 0.84 0.44 3/106 29210
/proc/meminfo: memFree=1782560/2059040 swapFree=4139096/4192956
[pid=29210] ppid=29208 vsize=6772 CPUtime=0.09
/proc/29210/stat : 29210 (pbct) R 29208 29210 29007 0 -1 4202496 1394 0 0 0 9 0 0 0 25 0 1 0 88914514 6934528 1313 1992294400 134512640 136421960 4291538352 18446744073709551615 135810024 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29210/statm: 1693 1313 187 467 0 1224 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6772

[startup+0.301054 s]
/proc/loadavg: 0.99 0.84 0.44 3/106 29210
/proc/meminfo: memFree=1782560/2059040 swapFree=4139096/4192956
[pid=29210] ppid=29208 vsize=17520 CPUtime=0.29
/proc/29210/stat : 29210 (pbct) R 29208 29210 29007 0 -1 4202496 4065 0 0 0 27 2 0 0 25 0 1 0 88914514 17940480 3967 1992294400 134512640 136421960 4291538352 18446744073709551615 134868561 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29210/statm: 4380 3967 214 467 0 3911 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 17520

[startup+0.701078 s]
/proc/loadavg: 0.99 0.84 0.44 3/106 29210
/proc/meminfo: memFree=1782560/2059040 swapFree=4139096/4192956
[pid=29210] ppid=29208 vsize=18836 CPUtime=0.69
/proc/29210/stat : 29210 (pbct) R 29208 29210 29007 0 -1 4202496 4418 0 0 0 58 11 0 0 25 0 1 0 88914514 19288064 4320 1992294400 134512640 136421960 4291538352 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29210/statm: 4709 4320 214 467 0 4240 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 18836

[startup+1.50113 s]
/proc/loadavg: 0.99 0.84 0.44 2/107 29211
/proc/meminfo: memFree=1765192/2059040 swapFree=4139096/4192956
[pid=29210] ppid=29208 vsize=20176 CPUtime=1.49
/proc/29210/stat : 29210 (pbct) R 29208 29210 29007 0 -1 4202496 4745 0 0 0 125 24 0 0 25 0 1 0 88914514 20660224 4647 1992294400 134512640 136421960 4291538352 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29210/statm: 5044 4647 214 467 0 4575 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 20176

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

[startup+1.70114 s]
/proc/loadavg: 0.99 0.84 0.44 2/107 29211
/proc/meminfo: memFree=1765192/2059040 swapFree=4139096/4192956
[pid=29210] ppid=29208 vsize=20176 CPUtime=1.69
/proc/29210/stat : 29210 (pbct) R 29208 29210 29007 0 -1 4202496 4745 0 0 0 141 28 0 0 25 0 1 0 88914514 20660224 4647 1992294400 134512640 136421960 4291538352 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29210/statm: 5044 4647 214 467 0 4575 0
Current children cumulated CPU time (s) 1.69
Current children cumulated vsize (KiB) 20176

Child status: 0
Real time (s): 1.79337
CPU time (s): 1.79273
CPU user time (s): 1.50177
CPU system time (s): 0.290955
CPU usage (%): 99.9643
Max. virtual memory (cumulated for all children) (KiB): 20176

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.50177
system time used= 0.290955
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4774
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= 21

runsolver used 0.004999 second user time and 0.015997 second system time

The end

Launcher Data

Begin job on node029 at 2010-06-25 16:29:51
IDJOB=2682640
IDBENCH=1392
IDSOLVER=1192
FILE ID=node029/2682640-1277476191
PBS_JOBID= 11190514
Free space on /tmp= 62480 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/FPGA_SAT05/normalized-fpga35_33_sat_pb.cnf.cr.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2682640-1277476191/watcher-2682640-1277476191 -o /tmp/evaluation-result-2682640-1277476191/solver-2682640-1277476191 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2682640-1277476191.opb

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

MD5SUM BENCH= d807de21f10c00acae1479f7b1348df5
RANDOM SEED=243738644

node029.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		: 3000.221
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	: 6000.44
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		: 3000.221
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	: 5599.46
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1783088 kB
Buffers:         63696 kB
Cached:         112840 kB
SwapCached:       7392 kB
Active:          70112 kB
Inactive:       121216 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1783088 kB
SwapTotal:     4192956 kB
SwapFree:      4139096 kB
Dirty:            2140 kB
Writeback:           0 kB
AnonPages:       12484 kB
Mapped:          11944 kB
Slab:            62828 kB
PageTables:       4200 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   183096 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= 62480 MiB
End job on node029 at 2010-06-25 16:29:53