Trace number 3713921

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
npSolver incOPTIMUM 0.908861 0.911685

General information on the benchmark

Name/SOFT-SMALLINT-LIN/PB06/web/uclid_pb_benchmarks/
normalized-cache.inv8.ucl--soft-0-100-0.wbo
MD5SUMd41d4dcc01415e574abb081114a32401
Bench CategorySOFT-SMALLINT-LIN (only soft constraints, small integers, linear constraints)
Best result obtained on this benchmarkMOPT
Best cost obtained on this benchmark16
Best CPU time to get the best result obtained on this benchmark0.036993
Max-Satisfiable
Max-(Un)Satisfiability was proved
Best value of the cost
Optimality of the best cost was proved
Number of variables2355
Total number of constraints6744
Number of soft constraints6744
Number of constraints which are clauses6568
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints176
Minimum length of a constraint1
Maximum length of a constraint9
Top cost 341452
Min constraint cost 1
Max constraint cost 100
Sum of constraints costs 341451
Biggest number in a constraint 17
Number of bits of the biggest number in a constraint 5
Biggest sum of numbers in a constraint 62
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

Quality of the solution as a function of time


Download the above graph as a PDF file / as an EPS file

Solver Data 

0.00/0.19	c run usual solver
0.00/0.47	o 65
0.00/0.47	c current bound: 32
0.00/0.73	o 16
0.00/0.73	c current bound: 8
0.00/0.76	c current bound: 12
0.00/0.81	c current bound: 14
0.00/0.85	c current bound: 15
0.00/0.90	c display solution
0.00/0.90	s OPTIMUM FOUND
0.00/0.90	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 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-x2351 -x2352 -x2353 -x2354 -x2355

Verifier Data 

OK	16

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.1 (svn: 989)

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-3713921-1338213302/watcher-3713921-1338213302 -o /tmp/evaluation-result-3713921-1338213302/solver-3713921-1338213302 -C 1800 -W 1900 -M 15500 HOME/npSolver-wbo-I.sh HOME/instance-3713921-1338213302.wbo 655160478 HOME HOME 

running on 4 cores: 1,3,5,7

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): 1900 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 15872000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 15923200 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 2.67 2.38 2.16 3/179 494
/proc/meminfo: memFree=30337300/32873844 swapFree=7900/7900
[pid=494] ppid=492 vsize=9148 CPUtime=0 cores=1,3,5,7
/proc/494/stat : 494 (npSolver-wbo-I.) S 492 494 27515 0 -1 4202496 357 0 0 0 0 0 0 0 20 0 1 0 287454699 9367552 275 33554432000 4194304 5064252 140736127885824 140736127884736 225444521550 0 65536 4100 65538 18446744071579302229 0 0 17 5 0 0 0 0 0
/proc/494/statm: 2287 275 233 213 0 72 0

[startup+0.057156 s]
/proc/loadavg: 2.67 2.38 2.16 3/179 494
/proc/meminfo: memFree=30337300/32873844 swapFree=7900/7900
[pid=494] ppid=492 vsize=9148 CPUtime=0 cores=1,3,5,7
/proc/494/stat : 494 (npSolver-wbo-I.) S 492 494 27515 0 -1 4202496 357 0 0 0 0 0 0 0 20 0 1 0 287454699 9367552 275 33554432000 4194304 5064252 140736127885824 140736127884736 225444521550 0 65536 4100 65538 18446744071579302229 0 0 17 5 0 0 0 0 0
/proc/494/statm: 2287 275 233 213 0 72 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 9148

[startup+0.100261 s]
/proc/loadavg: 2.67 2.38 2.16 3/179 494
/proc/meminfo: memFree=30337300/32873844 swapFree=7900/7900
[pid=494] ppid=492 vsize=9148 CPUtime=0 cores=1,3,5,7
/proc/494/stat : 494 (npSolver-wbo-I.) S 492 494 27515 0 -1 4202496 357 0 0 0 0 0 0 0 20 0 1 0 287454699 9367552 275 33554432000 4194304 5064252 140736127885824 140736127884736 225444521550 0 65536 4100 65538 18446744071579302229 0 0 17 5 0 0 0 0 0
/proc/494/statm: 2287 275 233 213 0 72 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 9148

[startup+0.300258 s]
/proc/loadavg: 2.67 2.38 2.16 3/179 494
/proc/meminfo: memFree=30337300/32873844 swapFree=7900/7900
[pid=494] ppid=492 vsize=9148 CPUtime=0 cores=1,3,5,7
/proc/494/stat : 494 (npSolver-wbo-I.) S 492 494 27515 0 -1 4202496 357 0 0 0 0 0 0 0 20 0 1 0 287454699 9367552 275 33554432000 4194304 5064252 140736127885824 140736127884736 225444521550 0 65536 4100 65538 18446744071579302229 0 0 17 5 0 0 0 0 0
/proc/494/statm: 2287 275 233 213 0 72 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 9148

[startup+0.700196 s]
/proc/loadavg: 2.67 2.38 2.16 3/179 494
/proc/meminfo: memFree=30337300/32873844 swapFree=7900/7900
[pid=494] ppid=492 vsize=9148 CPUtime=0 cores=1,3,5,7
/proc/494/stat : 494 (npSolver-wbo-I.) S 492 494 27515 0 -1 4202496 357 0 0 0 0 0 0 0 20 0 1 0 287454699 9367552 275 33554432000 4194304 5064252 140736127885824 140736127884736 225444521550 0 65536 4100 65538 18446744071579302229 0 0 17 5 0 0 0 0 0
/proc/494/statm: 2287 275 233 213 0 72 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 9148

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

[startup+0.900291 s]
/proc/loadavg: 2.67 2.38 2.16 3/179 494
/proc/meminfo: memFree=30337300/32873844 swapFree=7900/7900
[pid=494] ppid=492 vsize=9148 CPUtime=0 cores=1,3,5,7
/proc/494/stat : 494 (npSolver-wbo-I.) S 492 494 27515 0 -1 4202496 357 0 0 0 0 0 0 0 20 0 1 0 287454699 9367552 275 33554432000 4194304 5064252 140736127885824 140736127884736 225444521550 0 65536 4100 65538 18446744071579302229 0 0 17 5 0 0 0 0 0
/proc/494/statm: 2287 275 233 213 0 72 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 9148

Child status: 0
Real time (s): 0.911685
CPU time (s): 0.908861
CPU user time (s): 0.707892
CPU system time (s): 0.200969
CPU usage (%): 99.6903
Max. virtual memory (cumulated for all children) (KiB): 9148

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.707892
system time used= 0.200969
maximum resident set size= 20812
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 42252
page faults= 0
swaps= 0
block input operations= 0
block output operations= 32896
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 207
involuntary context switches= 70

runsolver used 0.003999 second user time and 0.009998 second system time

The end

Launcher Data 

Begin job on node137 at 2012-05-28 15:55:02
IDJOB=3713921
IDBENCH=79334
IDSOLVER=2295
FILE ID=node137/3713921-1338213302
RUNJOBID= node137-1338210757-32082
PBS_JOBID= 14624572
Free space on /tmp= 71172 MiB

SOLVER NAME= npSolver inc
BENCH NAME= PB10/normalized-PB10/SOFT-SMALLINT-LIN/PB06/web/uclid_pb_benchmarks/normalized-cache.inv8.ucl--soft-0-100-0.wbo
COMMAND LINE= DIR/npSolver-wbo-I.sh BENCHNAME RANDOMSEED TMPDIR DIR
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3713921-1338213302/watcher-3713921-1338213302 -o /tmp/evaluation-result-3713921-1338213302/solver-3713921-1338213302 -C 1800 -W 1900 -M 15500  HOME/npSolver-wbo-I.sh HOME/instance-3713921-1338213302.wbo 655160478 HOME HOME

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= d41d4dcc01415e574abb081114a32401
RANDOM SEED=655160478

node137.alineos.net Linux 2.6.32-71.29.1.el6.x86_64 #1 SMP Mon Jun 27 19:49:27 BST 2011

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.600
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 0
initial apicid	: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5333.20
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.600
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 16
initial apicid	: 16
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.600
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 2
initial apicid	: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.92
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.600
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 18
initial apicid	: 18
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 4
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.600
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 4
initial apicid	: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 5
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.600
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 20
initial apicid	: 20
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.90
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 6
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.600
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 6
initial apicid	: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.600
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 22
initial apicid	: 22
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:       32873844 kB
MemFree:        30337664 kB
Buffers:          400632 kB
Cached:           987188 kB
SwapCached:        20904 kB
Active:          1456332 kB
Inactive:         217076 kB
Active(anon):     264972 kB
Inactive(anon):    22936 kB
Active(file):    1191360 kB
Inactive(file):   194140 kB
Unevictable:        7900 kB
Mlocked:            7900 kB
SwapTotal:      67108856 kB
SwapFree:       67082664 kB
Dirty:              9396 kB
Writeback:             0 kB
AnonPages:        273876 kB
Mapped:            10664 kB
Shmem:                 0 kB
Slab:             721500 kB
SReclaimable:     162276 kB
SUnreclaim:       559224 kB
KernelStack:        1512 kB
PageTables:         4824 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545776 kB
Committed_AS:     445136 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346368 kB
VmallocChunk:   34341987984 kB
HardwareCorrupted:     0 kB
AnonHugePages:    155648 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:        7872 kB
DirectMap2M:    33538048 kB

Free space on /tmp at the end= 71160 MiB
End job on node137 at 2012-05-28 15:55:03