Trace number 2701515

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 2.6206 2.62092

General information on the benchmark

Name/PARTIAL-BIGINT-LIN/wcsp/
satellite/normalized-satellite02bc_wcsp.wbo
MD5SUM5ff44be474cc118d1f1e3f86110017ca
Bench CategoryPARTIAL-BIGINT-LIN (both soft and hard constraints, big integers, linear constraints)
Best result obtained on this benchmarkMOPT
Best cost obtained on this benchmark2211
Best CPU time to get the best result obtained on this benchmark2.6206
Max-Satisfiable
Max-(Un)Satisfiability was proved
Best value of the cost
Optimality of the best cost was proved
Number of variables1030
Total number of constraints43694
Number of soft constraints43512
Number of constraints which are clauses43512
Number of constraints which are cardinality constraints (but not clauses)182
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint1
Maximum length of a constraint9
Top cost 214775
Min constraint cost 1
Max constraint cost 214775
Sum of constraints costs 9197950033
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 10
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
0.19/0.26	c constraints 182/0 clauses 0/43512 units 0
0.19/0.26	c vars 1030
0.19/0.26	c Setting top cost 214775
1.59/1.64	c 1.51277 241.414 126 45662
1.59/1.64	o 2936
1.59/1.66	c 1.53277 247.648 199 46443
1.59/1.66	o 2511
1.69/1.72	c 1.58676 247.648 437 47248
1.69/1.72	o 2461
1.69/1.78	c 1.64975 247.648 593 47838
1.69/1.78	o 2311
2.10/2.12	c 1.9847 247.648 1371 49794
2.10/2.12	o 2211
2.10/2.15	c 2.01569 247.648 1125 49974
2.10/2.15	s OPTIMUM FOUND
2.10/2.15	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 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Verifier Data 

OK	2211

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2701515-1278540238/watcher-2701515-1278540238 -o /tmp/evaluation-result-2701515-1278540238/solver-2701515-1278540238 -C 1800 -W 2000 -M 3800 HOME/pbct --model HOME/instance-2701515-1278540238.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: 2.26 2.07 2.00 4/178 22270
/proc/meminfo: memFree=28634676/32951124 swapFree=67111528/67111528
[pid=22270] ppid=22268 vsize=2268 CPUtime=0
/proc/22270/stat : 22270 (pbct) R 22268 22270 19096 0 -1 4202496 280 0 0 0 0 0 0 0 25 0 1 0 22237993 2322432 200 4089446400 134512640 136422188 4289515456 18446744073709551615 134517861 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/22270/statm: 567 200 144 467 0 98 0

[startup+0.0345329 s]
/proc/loadavg: 2.26 2.07 2.00 4/178 22270
/proc/meminfo: memFree=28634676/32951124 swapFree=67111528/67111528
[pid=22270] ppid=22268 vsize=2584 CPUtime=0.03
/proc/22270/stat : 22270 (pbct) R 22268 22270 19096 0 -1 4202496 369 0 0 0 3 0 0 0 25 0 1 0 22237993 2646016 289 4089446400 134512640 136422188 4289515456 18446744073709551615 135818320 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/22270/statm: 646 289 144 467 0 177 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 2584

[startup+0.100534 s]
/proc/loadavg: 2.26 2.07 2.00 4/178 22270
/proc/meminfo: memFree=28634676/32951124 swapFree=67111528/67111528
[pid=22270] ppid=22268 vsize=4020 CPUtime=0.09
/proc/22270/stat : 22270 (pbct) R 22268 22270 19096 0 -1 4202496 683 0 0 0 9 0 0 0 25 0 1 0 22237993 4116480 570 4089446400 134512640 136422188 4289515456 18446744073709551615 135818549 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/22270/statm: 1005 570 144 467 0 536 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4020

[startup+0.300482 s]
/proc/loadavg: 2.26 2.07 2.00 4/178 22270
/proc/meminfo: memFree=28634676/32951124 swapFree=67111528/67111528
[pid=22270] ppid=22268 vsize=14176 CPUtime=0.29
/proc/22270/stat : 22270 (pbct) R 22268 22270 19096 0 -1 4202496 3356 0 0 0 29 0 0 0 25 0 1 0 22237993 14516224 3049 4089446400 134512640 136422188 4289515456 18446744073709551615 135810456 0 0 4096 16387 0 0 0 17 0 0 0 0
/proc/22270/statm: 3544 3051 195 467 0 3075 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 14176

[startup+0.700408 s]
/proc/loadavg: 2.26 2.07 2.00 4/178 22270
/proc/meminfo: memFree=28634676/32951124 swapFree=67111528/67111528
[pid=22270] ppid=22268 vsize=103508 CPUtime=0.69
/proc/22270/stat : 22270 (pbct) R 22268 22270 19096 0 -1 4202496 26399 0 0 0 66 3 0 0 25 0 1 0 22237993 105992192 25120 4089446400 134512640 136422188 4289515456 18446744073709551615 135811142 0 0 4096 16387 0 0 0 17 0 0 0 0
/proc/22270/statm: 25877 25120 195 467 0 25408 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 103508

[startup+1.50027 s]
/proc/loadavg: 2.26 2.07 2.00 3/179 22271
/proc/meminfo: memFree=28473972/32951124 swapFree=67111528/67111528
[pid=22270] ppid=22268 vsize=244736 CPUtime=1.49
/proc/22270/stat : 22270 (pbct) R 22268 22270 19096 0 -1 4202496 62962 0 0 0 140 9 0 0 25 0 1 0 22237993 250609664 59899 4089446400 134512640 136422188 4289515456 18446744073709551615 135874785 0 0 4096 16387 0 0 0 17 0 0 0 0
/proc/22270/statm: 61184 59899 217 467 0 60715 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 244736

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

[startup+2.30111 s]
/proc/loadavg: 2.26 2.07 2.00 3/179 22271
/proc/meminfo: memFree=28392896/32951124 swapFree=67111528/67111528
[pid=22270] ppid=22268 vsize=243868 CPUtime=2.29
/proc/22270/stat : 22270 (pbct) R 22268 22270 19096 0 -1 4202496 65254 0 0 0 215 14 0 0 25 0 1 0 22237993 249720832 58786 4089446400 134512640 136422188 4289515456 18446744073709551615 134655204 0 0 4096 16387 0 0 0 17 0 0 0 0
/proc/22270/statm: 60967 58786 241 467 0 60498 0
Current children cumulated CPU time (s) 2.29
Current children cumulated vsize (KiB) 243868

[startup+2.50109 s]
/proc/loadavg: 2.26 2.07 2.00 3/179 22271
/proc/meminfo: memFree=28392896/32951124 swapFree=67111528/67111528
[pid=22270] ppid=22268 vsize=237260 CPUtime=2.49
/proc/22270/stat : 22270 (pbct) R 22268 22270 19096 0 -1 4202496 65254 0 0 0 235 14 0 0 25 0 1 0 22237993 242954240 57559 4089446400 134512640 136422188 4289515456 18446744073709551615 135801441 0 0 4096 16387 0 0 0 17 0 0 0 0
/proc/22270/statm: 59315 57559 241 467 0 58846 0
Current children cumulated CPU time (s) 2.49
Current children cumulated vsize (KiB) 237260

[startup+2.60105 s]
/proc/loadavg: 2.26 2.07 2.00 3/179 22271
/proc/meminfo: memFree=28392896/32951124 swapFree=67111528/67111528
[pid=22270] ppid=22268 vsize=223972 CPUtime=2.59
/proc/22270/stat : 22270 (pbct) R 22268 22270 19096 0 -1 4202496 65254 0 0 0 245 14 0 0 25 0 1 0 22237993 229347328 55498 4089446400 134512640 136422188 4289515456 18446744073709551615 135801495 0 0 4096 16387 0 0 0 17 0 0 0 0
/proc/22270/statm: 55993 55498 241 467 0 55524 0
Current children cumulated CPU time (s) 2.59
Current children cumulated vsize (KiB) 223972

Child status: 0
Real time (s): 2.62092
CPU time (s): 2.6206
CPU user time (s): 2.46862
CPU system time (s): 0.151976
CPU usage (%): 99.9878
Max. virtual memory (cumulated for all children) (KiB): 253588

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.46862
system time used= 0.151976
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 65255
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= 7

runsolver used 0.004999 second user time and 0.014997 second system time

The end

Launcher Data 

Begin job on node111 at 2010-07-08 00:03:58
IDJOB=2701515
IDBENCH=79592
IDSOLVER=1212
FILE ID=node111/2701515-1278540238
PBS_JOBID= 11239256
Free space on /tmp= 73616 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB10/normalized-PB10/PARTIAL-BIGINT-LIN/wcsp/satellite/normalized-satellite02bc_wcsp.wbo
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2701515-1278540238/watcher-2701515-1278540238 -o /tmp/evaluation-result-2701515-1278540238/solver-2701515-1278540238 -C 1800 -W 2000 -M 3800  HOME/pbct --model HOME/instance-2701515-1278540238.wbo

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

MD5SUM BENCH= 5ff44be474cc118d1f1e3f86110017ca
RANDOM SEED=84960661

node111.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		: 2666.825
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	: 5333.65
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		: 2666.825
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	: 5332.98
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		: 2666.825
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	: 5332.67
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		: 2666.825
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	: 5332.86
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		: 2666.825
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	: 5233.30
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		: 2666.825
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		: 2666.825
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	: 5332.75
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		: 2666.825
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:     32951124 kB
MemFree:      28635204 kB
Buffers:        147448 kB
Cached:        3551044 kB
SwapCached:          0 kB
Active:        2444572 kB
Inactive:      1720708 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      28635204 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:            3980 kB
Writeback:           0 kB
AnonPages:      466792 kB
Mapped:          15328 kB
Slab:            86024 kB
PageTables:       5668 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   629740 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    296008 kB
VmallocChunk: 34359440975 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 73616 MiB
End job on node111 at 2010-07-08 00:04:01