Trace number 2700705

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 fixedOPTIMUM 3.63545 3.63453

General information on the benchmark

Name/PARTIAL-BIGINT-LIN/wcsp/driver/
normalized-driverlog04c_wcsp.wbo
MD5SUM6c0d1f9e1e20434d9703449804930bc4
Bench CategoryPARTIAL-BIGINT-LIN (both soft and hard constraints, big integers, linear constraints)
Best result obtained on this benchmarkMOPT
Best cost obtained on this benchmark1718
Best CPU time to get the best result obtained on this benchmark3.63545
Max-Satisfiable
Max-(Un)Satisfiability was proved
Best value of the cost
Optimality of the best cost was proved
Number of variables1026
Total number of constraints22742
Number of soft constraints22470
Number of constraints which are clauses22470
Number of constraints which are cardinality constraints (but not clauses)272
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint1
Maximum length of a constraint11
Top cost 47382
Min constraint cost 1
Max constraint cost 47382
Sum of constraints costs 1041643943
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 12
Number of bits of the biggest sum of numbers4
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 PB/CT 0.1.2 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.10/0.12	c constraints 272/0 clauses 0/22470 units 0
0.10/0.12	c vars 1026
0.10/0.12	c Setting top cost 47382
0.70/0.72	c 0.646901 132.352 135 24709
0.70/0.72	o 1862
0.70/0.73	c 0.664898 133.953 219 25287
0.70/0.73	o 1842
0.70/0.74	c 0.673897 133.953 252 25700
0.70/0.74	o 1800
0.70/0.75	c 0.680896 133.953 276 25918
0.70/0.75	o 1780
0.70/0.78	c 0.709892 133.953 327 26360
0.70/0.78	o 1718
3.39/3.40	c 3.12752 134.34 323 32560
3.39/3.40	s OPTIMUM FOUND
3.39/3.40	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 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Verifier Data 

OK	1718

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2700705-1278536183/watcher-2700705-1278536183 -o /tmp/evaluation-result-2700705-1278536183/solver-2700705-1278536183 -C 1800 -W 2000 -M 3800 HOME/pbct --model HOME/instance-2700705-1278536183.wbo 

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): 3891200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 3942400 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 2.35 2.08 1.86 4/178 17988
/proc/meminfo: memFree=29932900/32950928 swapFree=4192956/4192956
[pid=17988] ppid=17986 vsize=2268 CPUtime=0
/proc/17988/stat : 17988 (pbct) R 17986 17988 16719 0 -1 4202496 284 0 0 0 0 0 0 0 25 0 1 0 21831733 2322432 203 4089446400 134512640 136422188 4293469776 18446744073709551615 135160473 0 0 4096 0 0 0 0 17 3 0 0 0
/proc/17988/statm: 567 203 144 467 0 98 0

[startup+0.0671139 s]
/proc/loadavg: 2.35 2.08 1.86 4/178 17988
/proc/meminfo: memFree=29932900/32950928 swapFree=4192956/4192956
[pid=17988] ppid=17986 vsize=2980 CPUtime=0.06
/proc/17988/stat : 17988 (pbct) R 17986 17988 16719 0 -1 4202496 493 0 0 0 6 0 0 0 25 0 1 0 21831733 3051520 379 4089446400 134512640 136422188 4293469776 18446744073709551615 135818512 0 0 4096 0 0 0 0 17 2 0 0 0
/proc/17988/statm: 745 379 144 467 0 276 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 2980

[startup+0.101124 s]
/proc/loadavg: 2.35 2.08 1.86 4/178 17988
/proc/meminfo: memFree=29932900/32950928 swapFree=4192956/4192956
[pid=17988] ppid=17986 vsize=3764 CPUtime=0.1
/proc/17988/stat : 17988 (pbct) R 17986 17988 16719 0 -1 4202496 696 0 0 0 10 0 0 0 25 0 1 0 21831733 3854336 517 4089446400 134512640 136422188 4293469776 18446744073709551615 135162526 0 0 4096 0 0 0 0 17 2 0 0 0
/proc/17988/statm: 941 517 144 467 0 472 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 3764

[startup+0.301086 s]
/proc/loadavg: 2.35 2.08 1.86 4/178 17988
/proc/meminfo: memFree=29932900/32950928 swapFree=4192956/4192956
[pid=17988] ppid=17986 vsize=49344 CPUtime=0.29
/proc/17988/stat : 17988 (pbct) R 17986 17988 16719 0 -1 4202496 12013 0 0 0 28 1 0 0 25 0 1 0 21831733 50528256 11752 4089446400 134512640 136422188 4293469776 18446744073709551615 135811945 0 0 4096 16387 0 0 0 17 2 0 0 0
/proc/17988/statm: 12336 11755 195 467 0 11867 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 49344

[startup+0.701016 s]
/proc/loadavg: 2.35 2.08 1.86 4/178 17988
/proc/meminfo: memFree=29932900/32950928 swapFree=4192956/4192956
[pid=17988] ppid=17986 vsize=135524 CPUtime=0.7
/proc/17988/stat : 17988 (pbct) R 17986 17988 16719 0 -1 4202496 34523 0 0 0 63 7 0 0 25 0 1 0 21831733 138776576 32706 4089446400 134512640 136422188 4293469776 18446744073709551615 135874785 0 0 4096 16387 0 0 0 17 2 0 0 0
/proc/17988/statm: 33881 32706 216 467 0 33412 0
Current children cumulated CPU time (s) 0.7
Current children cumulated vsize (KiB) 135524

[startup+1.50088 s]
/proc/loadavg: 2.35 2.08 1.86 3/179 17989
/proc/meminfo: memFree=29801948/32950928 swapFree=4192956/4192956
[pid=17988] ppid=17986 vsize=137296 CPUtime=1.49
/proc/17988/stat : 17988 (pbct) R 17986 17988 16719 0 -1 4202496 35078 0 0 0 136 13 0 0 25 0 1 0 21831733 140591104 32844 4089446400 134512640 136422188 4293469776 18446744073709551615 135022520 0 0 4096 16387 0 0 0 17 2 0 0 0
/proc/17988/statm: 34324 32844 237 467 0 33855 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 137296

[startup+3.10061 s]
/proc/loadavg: 2.35 2.08 1.86 3/179 17989
/proc/meminfo: memFree=29801080/32950928 swapFree=4192956/4192956
[pid=17988] ppid=17986 vsize=137560 CPUtime=3.09
/proc/17988/stat : 17988 (pbct) R 17986 17988 16719 0 -1 4202496 35140 0 0 0 283 26 0 0 25 0 1 0 21831733 140861440 32906 4089446400 134512640 136422188 4293469776 18446744073709551615 135022546 0 0 4096 16387 0 0 0 17 2 0 0 0
/proc/17988/statm: 34390 32906 237 467 0 33921 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 137560

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

[startup+3.50041 s]
/proc/loadavg: 2.35 2.08 1.86 3/179 17989
/proc/meminfo: memFree=29800920/32950928 swapFree=4192956/4192956
[pid=17988] ppid=17986 vsize=128924 CPUtime=3.5
/proc/17988/stat : 17988 (pbct) R 17986 17988 16719 0 -1 4202496 35153 0 0 0 322 28 0 0 25 0 1 0 21831733 132018176 31241 4089446400 134512640 136422188 4293469776 18446744073709551615 134701755 0 0 4096 16387 0 0 0 17 2 0 0 0
/proc/17988/statm: 32231 31241 240 467 0 31762 0
Current children cumulated CPU time (s) 3.5
Current children cumulated vsize (KiB) 128924

[startup+3.6004 s]
/proc/loadavg: 2.35 2.08 1.86 3/179 17989
/proc/meminfo: memFree=29800920/32950928 swapFree=4192956/4192956
[pid=17988] ppid=17986 vsize=128924 CPUtime=3.6
/proc/17988/stat : 17988 (pbct) R 17986 17988 16719 0 -1 4202496 35153 0 0 0 332 28 0 0 25 0 1 0 21831733 132018176 31241 4089446400 134512640 136422188 4293469776 18446744073709551615 135818353 0 0 4096 16387 0 0 0 17 2 0 0 0
/proc/17988/statm: 32231 31241 240 467 0 31762 0
Current children cumulated CPU time (s) 3.6
Current children cumulated vsize (KiB) 128924

Child status: 0
Real time (s): 3.63453
CPU time (s): 3.63545
CPU user time (s): 3.34949
CPU system time (s): 0.285956
CPU usage (%): 100.025
Max. virtual memory (cumulated for all children) (KiB): 137560

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.34949
system time used= 0.285956
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 35154
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= 4

runsolver used 0.003999 second user time and 0.016997 second system time

The end

Launcher Data 

Begin job on node124 at 2010-07-07 22:56:23
IDJOB=2700705
IDBENCH=79457
IDSOLVER=1212
FILE ID=node124/2700705-1278536183
PBS_JOBID= 11239230
Free space on /tmp= 130200 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB10/normalized-PB10/PARTIAL-BIGINT-LIN/wcsp/driver/normalized-driverlog04c_wcsp.wbo
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2700705-1278536183/watcher-2700705-1278536183 -o /tmp/evaluation-result-2700705-1278536183/solver-2700705-1278536183 -C 1800 -W 2000 -M 3800  HOME/pbct --model HOME/instance-2700705-1278536183.wbo

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 3800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 6c0d1f9e1e20434d9703449804930bc4
RANDOM SEED=144015073

node124.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	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.846
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5333.69
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.846
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 16
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5226.14
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.846
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.846
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 18
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.82
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 4
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.846
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 5
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.846
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 20
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.82
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 6
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.846
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.76
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.846
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 22
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.83
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32950928 kB
MemFree:      29933668 kB
Buffers:        134108 kB
Cached:        2512880 kB
SwapCached:          0 kB
Active:        1179944 kB
Inactive:      1727312 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      29933668 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            3064 kB
Writeback:           0 kB
AnonPages:      261252 kB
Mapped:          17268 kB
Slab:            77320 kB
PageTables:       5268 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  20668420 kB
Committed_AS:   417280 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    265212 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 130196 MiB
End job on node124 at 2010-07-07 22:56:27