Trace number 2669074

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 0.1SAT 1.3078 1.30849

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/
FPGA_SAT05/normalized-fpga35_35_sat_pb.cnf.cr.opb
MD5SUM23ed8dbd20669d86dd929140e0f9c164
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 benchmark0.031994
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1838
Total number of constraints1330
Number of constraints which are clauses1260
Number of constraints which are cardinality constraints (but not clauses)70
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 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.07/0.08	c constraints 70/0 clauses 1260/0 units 0
0.07/0.08	c vars 1838
1.19/1.23	c 1.01885 20.5859 3255 28267
1.19/1.23	s SATISFIABLE
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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-2669074-1276433837/watcher-2669074-1276433837 -o /tmp/evaluation-result-2669074-1276433837/solver-2669074-1276433837 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2669074-1276433837.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: 0.94 0.96 0.98 3/106 24799
/proc/meminfo: memFree=1824136/2059040 swapFree=4140112/4192956
[pid=24799] ppid=24797 vsize=2208 CPUtime=0
/proc/24799/stat : 24799 (pbct) R 24797 24799 24181 0 -1 4202496 254 0 0 0 0 0 0 0 25 0 1 0 18987399 2260992 176 1992294400 134512640 136485738 4290176752 18446744073709551615 135565469 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/24799/statm: 552 176 156 482 0 68 0

[startup+0.074081 s]
/proc/loadavg: 0.94 0.96 0.98 3/106 24799
/proc/meminfo: memFree=1824136/2059040 swapFree=4140112/4192956
[pid=24799] ppid=24797 vsize=2336 CPUtime=0.07
/proc/24799/stat : 24799 (pbct) R 24797 24799 24181 0 -1 4202496 284 0 0 0 7 0 0 0 25 0 1 0 18987399 2392064 206 1992294400 134512640 136485738 4290176752 18446744073709551615 135415654 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/24799/statm: 584 206 156 482 0 100 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 2336

[startup+0.101084 s]
/proc/loadavg: 0.94 0.96 0.98 3/106 24799
/proc/meminfo: memFree=1824136/2059040 swapFree=4140112/4192956
[pid=24799] ppid=24797 vsize=5892 CPUtime=0.09
/proc/24799/stat : 24799 (pbct) R 24797 24799 24181 0 -1 4202496 1147 0 0 0 9 0 0 0 25 0 1 0 18987399 6033408 1069 1992294400 134512640 136485738 4290176752 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24799/statm: 1473 1071 191 482 0 989 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5892

[startup+0.301107 s]
/proc/loadavg: 0.94 0.96 0.98 3/106 24799
/proc/meminfo: memFree=1824136/2059040 swapFree=4140112/4192956
[pid=24799] ppid=24797 vsize=18424 CPUtime=0.29
/proc/24799/stat : 24799 (pbct) R 24797 24799 24181 0 -1 4202496 4271 0 0 0 26 3 0 0 25 0 1 0 18987399 18866176 4173 1992294400 134512640 136485738 4290176752 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24799/statm: 4606 4173 223 482 0 4122 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 18424

[startup+0.701153 s]
/proc/loadavg: 0.94 0.96 0.98 3/106 24799
/proc/meminfo: memFree=1824136/2059040 swapFree=4140112/4192956
[pid=24799] ppid=24797 vsize=19876 CPUtime=0.69
/proc/24799/stat : 24799 (pbct) R 24797 24799 24181 0 -1 4202496 4653 0 0 0 58 11 0 0 25 0 1 0 18987399 20353024 4555 1992294400 134512640 136485738 4290176752 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24799/statm: 4969 4555 224 482 0 4485 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 19876

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

[startup+1.1092 s]
/proc/loadavg: 0.95 0.96 0.98 2/107 24800
/proc/meminfo: memFree=1805528/2059040 swapFree=4140112/4192956
[pid=24799] ppid=24797 vsize=21076 CPUtime=1.09
/proc/24799/stat : 24799 (pbct) R 24797 24799 24181 0 -1 4202496 4934 0 0 0 90 19 0 0 25 0 1 0 18987399 21581824 4836 1992294400 134512640 136485738 4290176752 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24799/statm: 5269 4836 224 482 0 4785 0
Current children cumulated CPU time (s) 1.09
Current children cumulated vsize (KiB) 21076

[startup+1.30122 s]
/proc/loadavg: 0.95 0.96 0.98 2/107 24800
/proc/meminfo: memFree=1805528/2059040 swapFree=4140112/4192956
[pid=24799] ppid=24797 vsize=19836 CPUtime=1.29
/proc/24799/stat : 24799 (pbct) R 24797 24799 24181 0 -1 4202496 4957 0 0 0 108 21 0 0 25 0 1 0 18987399 20312064 4597 1992294400 134512640 136485738 4290176752 18446744073709551615 135839940 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24799/statm: 4959 4597 246 482 0 4475 0
Current children cumulated CPU time (s) 1.29
Current children cumulated vsize (KiB) 19836

Child status: 0
Real time (s): 1.30849
CPU time (s): 1.3078
CPU user time (s): 1.08583
CPU system time (s): 0.221966
CPU usage (%): 99.9471
Max. virtual memory (cumulated for all children) (KiB): 21076

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.08583
system time used= 0.221966
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4958
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= 2
involuntary context switches= 13

runsolver used 0.005999 second user time and 0.013997 second system time

The end

Launcher Data

Begin job on node006 at 2010-06-13 14:57:17
IDJOB=2669074
IDBENCH=1420
IDSOLVER=1170
FILE ID=node006/2669074-1276433837
PBS_JOBID= 11173315
Free space on /tmp= 62472 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/FPGA_SAT05/normalized-fpga35_35_sat_pb.cnf.cr.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2669074-1276433837/watcher-2669074-1276433837 -o /tmp/evaluation-result-2669074-1276433837/solver-2669074-1276433837 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2669074-1276433837.opb

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

MD5SUM BENCH= 23ed8dbd20669d86dd929140e0f9c164
RANDOM SEED=1600084263

node006.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		: 3000.204
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	: 6000.40
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		: 3000.204
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:       1824540 kB
Buffers:         28456 kB
Cached:         125528 kB
SwapCached:       6336 kB
Active:          31236 kB
Inactive:       136068 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1824540 kB
SwapTotal:     4192956 kB
SwapFree:      4140112 kB
Dirty:            2148 kB
Writeback:           0 kB
AnonPages:       11880 kB
Mapped:          13036 kB
Slab:            45284 kB
PageTables:       3992 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182460 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= 62472 MiB
End job on node006 at 2010-06-13 14:57:19