Trace number 3438858

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
SApperloT2010 2011-05-15 (fixed)SAT 8.21575 8.21762

General information on the benchmark

Namecrafted/skvortsov/
automata-synchronization/rnd_100_28_s.cnf
MD5SUM87b5938a349a8614bebb638e28ff1198
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark5.46017
Satisfiable
(Un)Satisfiability was proved
Number of variables2856
Number of clauses10578
Sum of the clauses size26556
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 25178
Number of clauses of size 35400
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

8.19/8.21	c Solved by BasicSolver 
8.19/8.21	
8.19/8.21	s SATISFIABLE
8.19/8.21	c Basic Model
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Verifier Data 

OK

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 977)

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-3438858-1306899548/watcher-3438858-1306899548 -o /tmp/evaluation-result-3438858-1306899548/solver-3438858-1306899548 -C 5000 -W 5100 -M 15500 SApperloT2010 HOME/instance-3438858-1306899548.cnf 

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

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 5100 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: 1.84 1.97 1.99 2/381 14138
/proc/meminfo: memFree=7377116/32951124 swapFree=49244120/67111528
[pid=14138] ppid=14136 vsize=12484 CPUtime=0 cores=1,3,5,7
/proc/14138/stat : 14138 (SApperloT2010) R 14136 14138 12962 0 -1 4202496 523 0 0 0 0 0 0 0 23 0 1 0 801557565 12783616 462 33554432000 4194304 4394578 140735491641664 18446744073709551615 218370618053 0 0 4096 6 0 0 0 17 1 0 0 0
/proc/14138/statm: 3121 462 247 49 0 262 0

[startup+0.056098 s]
/proc/loadavg: 1.84 1.97 1.99 2/381 14138
/proc/meminfo: memFree=7377116/32951124 swapFree=49244120/67111528
[pid=14138] ppid=14136 vsize=14840 CPUtime=0.05 cores=1,3,5,7
/proc/14138/stat : 14138 (SApperloT2010) R 14136 14138 12962 0 -1 4202496 1137 0 0 0 4 1 0 0 23 0 1 0 801557565 15196160 1075 33554432000 4194304 4394578 140735491641664 18446744073709551615 4299028 0 0 4096 6 0 0 0 17 1 0 0 0
/proc/14138/statm: 3710 1075 267 49 0 851 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 14840

[startup+0.10109 s]
/proc/loadavg: 1.84 1.97 1.99 2/381 14138
/proc/meminfo: memFree=7377116/32951124 swapFree=49244120/67111528
[pid=14138] ppid=14136 vsize=15368 CPUtime=0.09 cores=1,3,5,7
/proc/14138/stat : 14138 (SApperloT2010) R 14136 14138 12962 0 -1 4202496 1256 0 0 0 8 1 0 0 23 0 1 0 801557565 15736832 1194 33554432000 4194304 4394578 140735491641664 18446744073709551615 4298673 0 0 4096 6 0 0 0 17 1 0 0 0
/proc/14138/statm: 3842 1194 267 49 0 983 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 15368

[startup+0.301052 s]
/proc/loadavg: 1.84 1.97 1.99 2/381 14138
/proc/meminfo: memFree=7377116/32951124 swapFree=49244120/67111528
[pid=14138] ppid=14136 vsize=16296 CPUtime=0.29 cores=1,3,5,7
/proc/14138/stat : 14138 (SApperloT2010) R 14136 14138 12962 0 -1 4202496 1471 0 0 0 28 1 0 0 24 0 1 0 801557565 16687104 1409 33554432000 4194304 4394578 140735491641664 18446744073709551615 4316176 0 0 4096 6 0 0 0 17 1 0 0 0
/proc/14138/statm: 4074 1409 267 49 0 1215 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 16296

[startup+0.700988 s]
/proc/loadavg: 1.84 1.97 1.99 2/381 14138
/proc/meminfo: memFree=7377116/32951124 swapFree=49244120/67111528
[pid=14138] ppid=14136 vsize=17140 CPUtime=0.69 cores=1,3,5,7
/proc/14138/stat : 14138 (SApperloT2010) R 14136 14138 12962 0 -1 4202496 1653 0 0 0 68 1 0 0 25 0 1 0 801557565 17551360 1591 33554432000 4194304 4394578 140735491641664 18446744073709551615 4335239 0 0 4096 6 0 0 0 17 1 0 0 0
/proc/14138/statm: 4285 1591 267 49 0 1426 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 17140

[startup+1.50084 s]
/proc/loadavg: 1.84 1.97 1.99 3/387 14149
/proc/meminfo: memFree=7360136/32951124 swapFree=49244120/67111528
[pid=14138] ppid=14136 vsize=17732 CPUtime=1.49 cores=1,3,5,7
/proc/14138/stat : 14138 (SApperloT2010) R 14136 14138 12962 0 -1 4202496 1800 0 0 0 148 1 0 0 25 0 1 0 801557565 18157568 1738 33554432000 4194304 4394578 140735491641664 18446744073709551615 4298876 0 0 4096 6 0 0 0 17 1 0 0 0
/proc/14138/statm: 4433 1738 267 49 0 1574 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 17732

[startup+3.10055 s]
/proc/loadavg: 1.84 1.97 1.99 3/387 14149
/proc/meminfo: memFree=7355920/32951124 swapFree=49244120/67111528
[pid=14138] ppid=14136 vsize=18472 CPUtime=3.09 cores=1,3,5,7
/proc/14138/stat : 14138 (SApperloT2010) R 14136 14138 12962 0 -1 4202496 1967 0 0 0 308 1 0 0 25 0 1 0 801557565 18915328 1905 33554432000 4194304 4394578 140735491641664 18446744073709551615 4308958 0 0 4096 6 0 0 0 17 1 0 0 0
/proc/14138/statm: 4618 1905 267 49 0 1759 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 18472

[startup+6.30099 s]
/proc/loadavg: 1.85 1.97 1.99 3/387 14149
/proc/meminfo: memFree=7352176/32951124 swapFree=49244120/67111528
[pid=14138] ppid=14136 vsize=19644 CPUtime=6.29 cores=1,3,5,7
/proc/14138/stat : 14138 (SApperloT2010) R 14136 14138 12962 0 -1 4202496 2202 0 0 0 628 1 0 0 25 0 1 0 801557565 20115456 2140 33554432000 4194304 4394578 140735491641664 18446744073709551615 4287785 0 0 4096 6 0 0 0 17 1 0 0 0
/proc/14138/statm: 4911 2140 267 49 0 2052 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 19644

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

[startup+7.10085 s]
/proc/loadavg: 1.85 1.97 1.99 3/387 14149
/proc/meminfo: memFree=7351800/32951124 swapFree=49244120/67111528
[pid=14138] ppid=14136 vsize=19804 CPUtime=7.09 cores=1,3,5,7
/proc/14138/stat : 14138 (SApperloT2010) R 14136 14138 12962 0 -1 4202496 2235 0 0 0 708 1 0 0 25 0 1 0 801557565 20279296 2173 33554432000 4194304 4394578 140735491641664 18446744073709551615 4298673 0 0 4096 6 0 0 0 17 1 0 0 0
/proc/14138/statm: 4951 2173 267 49 0 2092 0
Current children cumulated CPU time (s) 7.09
Current children cumulated vsize (KiB) 19804

[startup+7.90071 s]
/proc/loadavg: 1.85 1.97 1.99 3/387 14149
/proc/meminfo: memFree=7351180/32951124 swapFree=49244120/67111528
[pid=14138] ppid=14136 vsize=19940 CPUtime=7.89 cores=1,3,5,7
/proc/14138/stat : 14138 (SApperloT2010) R 14136 14138 12962 0 -1 4202496 2275 0 0 0 788 1 0 0 25 0 1 0 801557565 20418560 2213 33554432000 4194304 4394578 140735491641664 18446744073709551615 4298673 0 0 4096 6 0 0 0 17 1 0 0 0
/proc/14138/statm: 4985 2213 267 49 0 2126 0
Current children cumulated CPU time (s) 7.89
Current children cumulated vsize (KiB) 19940

[startup+8.10067 s]
/proc/loadavg: 1.85 1.97 1.99 3/387 14149
/proc/meminfo: memFree=7351180/32951124 swapFree=49244120/67111528
[pid=14138] ppid=14136 vsize=20132 CPUtime=8.09 cores=1,3,5,7
/proc/14138/stat : 14138 (SApperloT2010) R 14136 14138 12962 0 -1 4202496 2291 0 0 0 808 1 0 0 25 0 1 0 801557565 20615168 2229 33554432000 4194304 4394578 140735491641664 18446744073709551615 4296745 0 0 4096 6 0 0 0 17 1 0 0 0
/proc/14138/statm: 5033 2229 267 49 0 2174 0
Current children cumulated CPU time (s) 8.09
Current children cumulated vsize (KiB) 20132

[startup+8.20065 s]
/proc/loadavg: 1.85 1.97 1.99 3/387 14149
/proc/meminfo: memFree=7351180/32951124 swapFree=49244120/67111528
[pid=14138] ppid=14136 vsize=20132 CPUtime=8.19 cores=1,3,5,7
/proc/14138/stat : 14138 (SApperloT2010) R 14136 14138 12962 0 -1 4202496 2291 0 0 0 818 1 0 0 25 0 1 0 801557565 20615168 2229 33554432000 4194304 4394578 140735491641664 18446744073709551615 4298298 0 0 4096 6 0 0 0 17 1 0 0 0
/proc/14138/statm: 5033 2229 267 49 0 2174 0
Current children cumulated CPU time (s) 8.19
Current children cumulated vsize (KiB) 20132

Child status: 10
Real time (s): 8.21762
CPU time (s): 8.21575
CPU user time (s): 8.19975
CPU system time (s): 0.015997
CPU usage (%): 99.9773
Max. virtual memory (cumulated for all children) (KiB): 20132

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 8.19975
system time used= 0.015997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2385
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= 5
involuntary context switches= 8

runsolver used 0.023996 second user time and 0.080987 second system time

The end

Launcher Data 

Begin job on node101 at 2011-06-01 05:39:08
IDJOB=3438858
IDBENCH=83187
IDSOLVER=1933
FILE ID=node101/3438858-1306899548
RUNJOBID= node101-1306899548-14075
PBS_JOBID= 13488475
Free space on /tmp= 33724 MiB

SOLVER NAME= SApperloT2010 2011-05-15 (fixed)
BENCH NAME= SAT11/crafted/skvortsov/automata-synchronization/rnd_100_28_s.cnf
COMMAND LINE= SApperloT2010 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3438858-1306899548/watcher-3438858-1306899548 -o /tmp/evaluation-result-3438858-1306899548/solver-3438858-1306899548 -C 5000 -W 5100 -M 15500  SApperloT2010 HOME/instance-3438858-1306899548.cnf

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= 87b5938a349a8614bebb638e28ff1198
RANDOM SEED=371777956

node101.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		: 2666.841
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	: 5333.68
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		: 2666.841
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	: 5226.07
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		: 2666.841
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	: 5332.77
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		: 2666.841
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	: 5332.83
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		: 2666.841
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	: 5332.74
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		: 2666.841
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	: 5332.83
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		: 2666.841
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		: 2666.841
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:       7377380 kB
Buffers:         78584 kB
Cached:       16676648 kB
SwapCached:      13388 kB
Active:       14435512 kB
Inactive:     10442316 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:       7377380 kB
SwapTotal:    67111528 kB
SwapFree:     49244120 kB
Dirty:              32 kB
Writeback:           0 kB
AnonPages:     8121180 kB
Mapped:          17144 kB
Slab:           550236 kB
PageTables:      74212 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS: 78585428 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= 33724 MiB
End job on node101 at 2011-06-01 05:39:16