Trace number 3250921

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
sattime 2011-03-02SAT 10.1205 10.1207

General information on the benchmark

Namecrafted/anton/SRHD-SGI/
srhd-sgi-m37-q446.25-n35-p30-s33692332.cnf
MD5SUM1002234f62b5dfa01a75197c65e66327
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.921859
Satisfiable
(Un)Satisfiability was proved
Number of variables1285
Number of clauses166723
Sum of the clauses size334661
Maximum clause length37
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 2166688
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 535

Solver Data 

10.09/10.11	c 0 clauses are redundant and removed
10.09/10.11	c 0 vars are fixed and 0 clauses are removed after unit propagation
10.09/10.11	c 0 vars are fixed and 0 clauses are removed after lookahead
10.09/10.11	c initial seed is 823711092
10.09/10.11	c try=1 flip j=1399786 walk=1167130 seed 823711109
10.09/10.11	c A solution is found
10.09/10.11	s SATISFIABLE
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10.09/10.11	v 0 
10.09/10.11	c Done (mycputime is 10 seconds)

Verifier Data 

OK

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 935)

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-3250921-1303580561/watcher-3250921-1303580561 -o /tmp/evaluation-result-3250921-1303580561/solver-3250921-1303580561 -C 2400 -W 1300 -M 7680 sattime HOME/instance-3250921-1303580561.cnf 823711092 

running on 2 cores: 1,3

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 2400 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 2430 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1300 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 7864320 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 7915520 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 4.08 4.00 3.91 4/189 21462
/proc/meminfo: memFree=15750804/32951124 swapFree=67111528/67111528
[pid=21462] ppid=21460 vsize=990536 CPUtime=0 cores=1,3
/proc/21462/stat : 21462 (sattime) R 21460 21462 21120 0 -1 4194304 357 0 0 0 0 0 0 0 25 0 1 0 469653842 1014308864 301 33554432000 4194304 4228548 140733625389840 18446744073709551615 4203165 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/21462/statm: 247634 302 101 9 0 244791 0

[startup+0.0110959 s]
/proc/loadavg: 4.08 4.00 3.91 4/189 21462
/proc/meminfo: memFree=15750804/32951124 swapFree=67111528/67111528
[pid=21462] ppid=21460 vsize=990932 CPUtime=0.01 cores=1,3
/proc/21462/stat : 21462 (sattime) R 21460 21462 21120 0 -1 4194304 499 0 0 0 1 0 0 0 25 0 1 0 469653842 1014714368 443 33554432000 4194304 4228548 140733625389840 18446744073709551615 212687675136 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/21462/statm: 247733 444 101 9 0 244890 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 990932

[startup+0.100115 s]
/proc/loadavg: 4.08 4.00 3.91 4/189 21462
/proc/meminfo: memFree=15750804/32951124 swapFree=67111528/67111528
[pid=21462] ppid=21460 vsize=1003204 CPUtime=0.09 cores=1,3
/proc/21462/stat : 21462 (sattime) R 21460 21462 21120 0 -1 4202496 4453 0 0 0 9 0 0 0 25 0 1 0 469653842 1027280896 4396 33554432000 4194304 4228548 140733625389840 18446744073709551615 4207272 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/21462/statm: 250801 4396 104 9 0 247958 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1003204

[startup+0.301081 s]
/proc/loadavg: 4.08 4.00 3.91 4/189 21462
/proc/meminfo: memFree=15750804/32951124 swapFree=67111528/67111528
[pid=21462] ppid=21460 vsize=1003204 CPUtime=0.29 cores=1,3
/proc/21462/stat : 21462 (sattime) R 21460 21462 21120 0 -1 4202496 4453 0 0 0 29 0 0 0 25 0 1 0 469653842 1027280896 4396 33554432000 4194304 4228548 140733625389840 18446744073709551615 4207327 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/21462/statm: 250801 4396 104 9 0 247958 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 1003204

[startup+0.701004 s]
/proc/loadavg: 4.08 4.00 3.91 4/189 21462
/proc/meminfo: memFree=15750804/32951124 swapFree=67111528/67111528
[pid=21462] ppid=21460 vsize=1003204 CPUtime=0.69 cores=1,3
/proc/21462/stat : 21462 (sattime) R 21460 21462 21120 0 -1 4202496 4453 0 0 0 69 0 0 0 25 0 1 0 469653842 1027280896 4396 33554432000 4194304 4228548 140733625389840 18446744073709551615 4207114 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/21462/statm: 250801 4396 104 9 0 247958 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 1003204

[startup+1.50086 s]
/proc/loadavg: 4.08 4.00 3.91 6/190 21463
/proc/meminfo: memFree=15724764/32951124 swapFree=67111528/67111528
[pid=21462] ppid=21460 vsize=1009676 CPUtime=1.49 cores=1,3
/proc/21462/stat : 21462 (sattime) R 21460 21462 21120 0 -1 4202496 7326 0 0 0 149 0 0 0 25 0 1 0 469653842 1033908224 7268 33554432000 4194304 4228548 140733625389840 18446744073709551615 4217478 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/21462/statm: 252419 7268 116 9 0 249576 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 1009676

[startup+3.10058 s]
/proc/loadavg: 4.08 4.00 3.91 6/190 21463
/proc/meminfo: memFree=15721292/32951124 swapFree=67111528/67111528
[pid=21462] ppid=21460 vsize=1009676 CPUtime=3.09 cores=1,3
/proc/21462/stat : 21462 (sattime) R 21460 21462 21120 0 -1 4202496 7326 0 0 0 309 0 0 0 25 0 1 0 469653842 1033908224 7268 33554432000 4194304 4228548 140733625389840 18446744073709551615 4218920 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/21462/statm: 252419 7268 116 9 0 249576 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 1009676

[startup+6.30099 s]
/proc/loadavg: 4.15 4.02 3.91 6/190 21463
/proc/meminfo: memFree=15681892/32951124 swapFree=67111528/67111528
[pid=21462] ppid=21460 vsize=1009676 CPUtime=6.29 cores=1,3
/proc/21462/stat : 21462 (sattime) R 21460 21462 21120 0 -1 4202496 7326 0 0 0 629 0 0 0 25 0 1 0 469653842 1033908224 7268 33554432000 4194304 4228548 140733625389840 18446744073709551615 4217469 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/21462/statm: 252419 7268 116 9 0 249576 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 1009676

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

[startup+7.9007 s]
/proc/loadavg: 4.15 4.02 3.91 6/190 21463
/proc/meminfo: memFree=15681148/32951124 swapFree=67111528/67111528
[pid=21462] ppid=21460 vsize=1009676 CPUtime=7.89 cores=1,3
/proc/21462/stat : 21462 (sattime) R 21460 21462 21120 0 -1 4202496 7326 0 0 0 789 0 0 0 25 0 1 0 469653842 1033908224 7268 33554432000 4194304 4228548 140733625389840 18446744073709551615 4217280 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/21462/statm: 252419 7268 116 9 0 249576 0
Current children cumulated CPU time (s) 7.89
Current children cumulated vsize (KiB) 1009676

[startup+9.50041 s]
/proc/loadavg: 4.15 4.02 3.91 6/190 21463
/proc/meminfo: memFree=15681024/32951124 swapFree=67111528/67111528
[pid=21462] ppid=21460 vsize=1009676 CPUtime=9.49 cores=1,3
/proc/21462/stat : 21462 (sattime) R 21460 21462 21120 0 -1 4202496 7326 0 0 0 949 0 0 0 25 0 1 0 469653842 1033908224 7268 33554432000 4194304 4228548 140733625389840 18446744073709551615 4218970 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/21462/statm: 252419 7268 116 9 0 249576 0
Current children cumulated CPU time (s) 9.49
Current children cumulated vsize (KiB) 1009676

[startup+9.90733 s]
/proc/loadavg: 4.14 4.02 3.91 6/190 21463
/proc/meminfo: memFree=15681288/32951124 swapFree=67111528/67111528
[pid=21462] ppid=21460 vsize=1009676 CPUtime=9.9 cores=1,3
/proc/21462/stat : 21462 (sattime) R 21460 21462 21120 0 -1 4202496 7326 0 0 0 990 0 0 0 25 0 1 0 469653842 1033908224 7268 33554432000 4194304 4228548 140733625389840 18446744073709551615 4217469 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/21462/statm: 252419 7268 116 9 0 249576 0
Current children cumulated CPU time (s) 9.9
Current children cumulated vsize (KiB) 1009676

[startup+10.1003 s]
/proc/loadavg: 4.14 4.02 3.91 6/190 21463
/proc/meminfo: memFree=15681288/32951124 swapFree=67111528/67111528
[pid=21462] ppid=21460 vsize=1009680 CPUtime=10.09 cores=1,3
/proc/21462/stat : 21462 (sattime) R 21460 21462 21120 0 -1 4202496 7327 0 0 0 1009 0 0 0 25 0 1 0 469653842 1033912320 7269 33554432000 4194304 4228548 140733625389840 18446744073709551615 212687675136 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/21462/statm: 252420 7269 116 9 0 249577 0
Current children cumulated CPU time (s) 10.09
Current children cumulated vsize (KiB) 1009680

Child status: 10
Real time (s): 10.1207
CPU time (s): 10.1205
CPU user time (s): 10.1105
CPU system time (s): 0.009998
CPU usage (%): 99.9977
Max. virtual memory (cumulated for all children) (KiB): 1009680

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 10.1105
system time used= 0.009998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 7330
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= 3
involuntary context switches= 17

runsolver used 0.013997 second user time and 0.046992 second system time

The end

Launcher Data 

Begin job on node139 at 2011-04-23 19:42:41
IDJOB=3250921
IDBENCH=88205
IDSOLVER=1564
FILE ID=node139/3250921-1303580561
RUNJOBID= node139-1303579252-21140
PBS_JOBID= 13150340
Free space on /tmp= 72336 MiB

SOLVER NAME= sattime 2011-03-02
BENCH NAME= SAT11/crafted/anton/SRHD-SGI/srhd-sgi-m37-q446.25-n35-p30-s33692332.cnf
COMMAND LINE= sattime BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3250921-1303580561/watcher-3250921-1303580561 -o /tmp/evaluation-result-3250921-1303580561/solver-3250921-1303580561 -C 2400 -W 1300 -M 7680  sattime HOME/instance-3250921-1303580561.cnf 823711092

TIME LIMIT= 2400 seconds
MEMORY LIMIT= 7680 MiB
NBCORE= 2

MD5SUM BENCH= 1002234f62b5dfa01a75197c65e66327
RANDOM SEED=823711092

node139.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		: 2666.852
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	: 5333.70
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		: 2666.852
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	: 5332.75
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		: 2666.852
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	: 5332.74
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		: 2666.852
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	: 5332.75
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		: 2666.852
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	: 5321.49
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		: 2666.852
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	: 5332.75
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		: 2666.852
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	: 5332.82
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		: 2666.852
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	: 5332.74
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      15750960 kB
Buffers:       2142168 kB
Cached:       14290572 kB
SwapCached:          0 kB
Active:       10065392 kB
Inactive:      6612376 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      15750960 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:           56124 kB
Writeback:           0 kB
AnonPages:      244404 kB
Mapped:          15228 kB
Slab:           459536 kB
PageTables:       5640 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:  3346352 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= 72328 MiB
End job on node139 at 2011-04-23 19:42:51