Trace number 3728636

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
pwbo 2.02OPTIMUM 0.12498 0.07521

General information on the benchmark

Name/PARTIAL-SMALLINT-LIN/PB06/web/uclid_pb_benchmarks/
normalized-46s.smv--soft-33-100-0.wbo
MD5SUMc0de7a271d508347ff52629783e8132d
Bench CategoryPARTIAL-SMALLINT-LIN (both soft and hard constraints, small integers, linear constraints)
Best result obtained on this benchmarkMOPT
Best cost obtained on this benchmark1
Best CPU time to get the best result obtained on this benchmark0.06299
Max-Satisfiable
Max-(Un)Satisfiability was proved
Best value of the cost
Optimality of the best cost was proved
Number of variables1612
Total number of constraints3653
Number of soft constraints2427
Number of constraints which are clauses3273
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints380
Minimum length of a constraint1
Maximum length of a constraint13
Top cost 124130
Min constraint cost 1
Max constraint cost 100
Sum of constraints costs 124129
Biggest number in a constraint 79
Number of bits of the biggest number in a constraint 7
Biggest sum of numbers in a constraint 268
Number of bits of the biggest sum of numbers9
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

0.00/0.00	c ==============================[ Solver Version ]===============================
0.00/0.00	c |                                                                             |
0.00/0.00	c |  pwbo:                     2.02 beta - May, 2012                            |
0.00/0.00	c |                                                                             |
0.00/0.00	c Parsing wbo file format. File HOME/instance-3728636-1338673023.wbo.
0.00/0.00	c Instance file HOME/instance-3728636-1338673023.wbo
0.00/0.00	c File size is 146601 bytes.
0.00/0.01	c Highest Coefficient sum: 268
0.00/0.01	c ============================[ Problem Statistics ]=============================
0.00/0.01	c |                                                                             |
0.00/0.01	c |  Parsing time:          0.01         s                                      |
0.00/0.01	c |  Number Variables:      4038                                                |
0.00/0.01	c |  Number Clauses:        3272                                                |
0.00/0.01	c |  Number Cardinality:    0                                                   |
0.00/0.01	c |  Number PB Constraints: 380                                                 |
0.00/0.01	c |                                                                             |
0.00/0.02	c |  Problem Type:          Optimization                                        |
0.00/0.02	c |  Objective Function:    PB Constraint                                       |
0.00/0.02	c |                                                                             |
0.00/0.02	c ===============================================================================
0.00/0.07	o 2643
0.00/0.07	o 2642
0.00/0.07	o 1
0.00/0.07	c ===============================================================================
0.00/0.07	c Wall Clock Time: 0.07 s
0.00/0.07	c Best Solution: 1
0.00/0.07	s OPTIMUM FOUND
0.00/0.07	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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Verifier Data

OK	1

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-3728636-1338673023/watcher-3728636-1338673023 -o /tmp/evaluation-result-3728636-1338673023/solver-3728636-1338673023 -C 1800 -W 1900 -M 15500 pwbo2.02 -file-format=wbo -verbosity=0 HOME/instance-3728636-1338673023.wbo 

running on 4 cores: 0,2,4,6

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: 3.92 3.95 3.73 4/178 31456
/proc/meminfo: memFree=26335568/32873844 swapFree=7628/7628
[pid=31456] ppid=31454 vsize=5004 CPUtime=0 cores=0,2,4,6
/proc/31456/stat : 31456 (pwbo2.02) R 31454 31456 30325 0 -1 4202496 515 0 0 0 0 0 0 0 20 0 1 0 333426711 5124096 467 33554432000 4194304 5964478 140736619519776 140735992495048 5179673 0 0 4096 16387 0 0 0 17 4 0 0 0 0 0
/proc/31456/statm: 1251 467 167 433 0 779 0

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

Child status: 255
Real time (s): 0.07521
CPU time (s): 0.12498
CPU user time (s): 0.104984
CPU system time (s): 0.019996
CPU usage (%): 166.175
Max. virtual memory (cumulated for all children) (KiB): 0

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.104984
system time used= 0.019996
maximum resident set size= 11648
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3136
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= 187
involuntary context switches= 1

runsolver used 0.002999 second user time and 0.003999 second system time

The end

Launcher Data

Begin job on node145 at 2012-06-02 23:37:03
IDJOB=3728636
IDBENCH=79031
IDSOLVER=2316
FILE ID=node145/3728636-1338673023
RUNJOBID= node145-1338670978-30966
PBS_JOBID= 14636492
Free space on /tmp= 70920 MiB

SOLVER NAME= pwbo 2.02
BENCH NAME= PB10/normalized-PB10/PARTIAL-SMALLINT-LIN/PB06/web/uclid_pb_benchmarks/normalized-46s.smv--soft-33-100-0.wbo
COMMAND LINE= pwbo2.02 -file-format=wbo -verbosity=0 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3728636-1338673023/watcher-3728636-1338673023 -o /tmp/evaluation-result-3728636-1338673023/solver-3728636-1338673023 -C 1800 -W 1900 -M 15500  pwbo2.02 -file-format=wbo -verbosity=0 HOME/instance-3728636-1338673023.wbo

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

MD5SUM BENCH= c0de7a271d508347ff52629783e8132d
RANDOM SEED=241865181

node145.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		: 2667.149
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	: 5334.29
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		: 2667.149
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		: 2667.149
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	: 5313.38
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		: 2667.149
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		: 2667.149
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		: 2667.149
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	: 5331.91
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		: 2667.149
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		: 2667.149
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	: 5331.89
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:       32873844 kB
MemFree:        26335576 kB
Buffers:          428152 kB
Cached:          4780552 kB
SwapCached:            0 kB
Active:          2074564 kB
Inactive:        3609156 kB
Active(anon):     465968 kB
Inactive(anon):    10928 kB
Active(file):    1608596 kB
Inactive(file):  3598228 kB
Unevictable:        7628 kB
Mlocked:            7628 kB
SwapTotal:      67108856 kB
SwapFree:       67108856 kB
Dirty:              5732 kB
Writeback:             4 kB
AnonPages:        481792 kB
Mapped:            14868 kB
Shmem:               200 kB
Slab:             716412 kB
SReclaimable:     157152 kB
SUnreclaim:       559260 kB
KernelStack:        1472 kB
PageTables:         4588 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545776 kB
Committed_AS:     170940 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346368 kB
VmallocChunk:   34341987984 kB
HardwareCorrupted:     0 kB
AnonHugePages:    147456 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= 70916 MiB
End job on node145 at 2012-06-02 23:37:04