Trace number 3417794

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
csls pnorm-8coresSAT 0.417936 0.0639789

General information on the benchmark

Namerandom/large/
unif-k3-r4.2-v2500-c10500-S89508070-083-UNKNOWN.cnf
MD5SUMcfefee970fb9a956a9dde1bcb9deab97
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.072988
Satisfiable
(Un)Satisfiability was proved
Number of variables2500
Number of clauses10500
Sum of the clauses size31500
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 310500
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data

0.00/0.00	c Input seed 122475029 used seed: 122475029
0.00/0.06	s SATISFIABLE
0.00/0.06	v 1 -2 3 4 5 6 7 -8 9 10 -11 -12 13 14 -15 -16 17 -18 -19 20 21 22 23 24 25 -26 27 28 -29 30 31 -32 -33 -34 35 36 37 -38 39 40 41 42 -43 44 -45 -46 47 -48 -49 50 51 52 53 -54 -55 56 -57 58 -59 -60 -61 62 -63 -64 -65 66 67 68 -69 -70 -71 72 73 -74 -75 -76 77 -78 -79 80 -81 -82 -83 -84 85 -86 87 -88 -89 -90 91 -92 93 94 -95 96 97 -98 99 -100 -101 102 103 -104 105 106 -107 108 109 -110 -111 -112 -113 -114 -115 -116 -117 -118 119 120 -121 122 123 -124 -125 -126 127 128 -129 130 131 132 133 134 135 136 -137 138 -139 -140 -141 142 -143 144 145 146 147 -148 -149 -150 -151 -152 153 154 -155 156 157 -158 -159 160 -161 162 -163 164 165 -166 -167 168 169 170 171 -172 173 174 -175 176 177 -178 -179 -180 -181 182 -183 184 -185 -186 -187 -188 -189 -190 -191 -192 193 -194 -195 196 -197 198 -199 200 -201 -202 -203 204 205 206 -207 -208 209 -210 -211 -212 213 -214 215 216 217 218 219 220 -221 -222 223 224 -225 -226 227 -228 229 -230 -231 232 -233 -234 -235 236 -237 238 239 240 241 -242 -243 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0.00/0.06	c Min false clauses Core[0]: 0
0.00/0.06	c Min false clauses Core[1]: 2
0.00/0.06	c Min false clauses Core[2]: 26
0.00/0.06	c Min false clauses Core[3]: 10
0.00/0.06	c Min false clauses Core[4]: 4
0.00/0.06	c Min false clauses Core[5]: 21
0.00/0.06	c Min false clauses Core[6]: 22
0.00/0.06	c Min false clauses Core[7]: 11

Verifier Data

OK

Watcher Data

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 961)

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-3417794-1306423680/watcher-3417794-1306423680 -o /tmp/evaluation-result-3417794-1306423680/solver-3417794-1306423680 -C 40000 -W 5100 -M 31000 HOME/csls-pnorm -maxcores 8 HOME/instance-3417794-1306423680.cnf 8 122475029 

running on 8 cores: 0,2,4,6,1,3,5,7

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 40000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 40030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 5100 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 31744000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 31795200 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 7.38 7.89 7.92 2/320 10634
/proc/meminfo: memFree=18694860/32951124 swapFree=67083432/67111528
[pid=10634] ppid=10632 vsize=93464 CPUtime=0.03 cores=0-7
/proc/10634/stat : 10634 (csls-pnorm) R 10632 10634 10428 0 -1 4202496 435 0 0 0 3 0 0 0 25 0 8 0 832598557 95707136 376 33554432000 4194304 4563110 140736768061312 18446744073709551615 47134924523436 0 0 4096 16384 18446744073709551615 0 0 17 4 0 0 0
/proc/10634/statm: 23366 376 298 91 0 18884 0
[pid=10634/tid=10635] ppid=10632 vsize=93464 CPUtime=0 cores=0-7
/proc/10634/task/10635/stat : 10635 (csls-pnorm) R 10632 10634 10428 0 -1 4202560 1 0 0 0 0 0 0 0 25 0 8 0 832598557 95707136 376 33554432000 4194304 4563110 140736768061312 18446744073709551615 47134924523436 0 0 4096 16384 0 0 0 -1 2 0 0 0
[pid=10634/tid=10636] ppid=10632 vsize=93464 CPUtime=0 cores=0-7
/proc/10634/task/10636/stat : 10636 (csls-pnorm) R 10632 10634 10428 0 -1 4202560 0 0 0 0 0 0 0 0 25 0 8 0 832598557 95707136 376 33554432000 4194304 4563110 140736768061312 18446744073709551615 47134924523442 0 0 4096 16384 0 0 0 -1 2 0 0 0
[pid=10634/tid=10637] ppid=10632 vsize=93464 CPUtime=0 cores=0-7
/proc/10634/task/10637/stat : 10637 (csls-pnorm) R 10632 10634 10428 0 -1 4202560 0 0 0 0 0 0 0 0 25 0 8 0 832598557 95707136 376 33554432000 4194304 4563110 140736768061312 18446744073709551615 47134924523436 0 0 4096 16384 0 0 0 -1 6 0 0 0
[pid=10634/tid=10638] ppid=10632 vsize=93464 CPUtime=0 cores=0-7
/proc/10634/task/10638/stat : 10638 (csls-pnorm) R 10632 10634 10428 0 -1 4202560 0 0 0 0 0 0 0 0 25 0 8 0 832598557 95707136 376 33554432000 4194304 4563110 140736768061312 18446744073709551615 47134924523446 0 0 4096 16384 0 0 0 -1 0 0 0 0
[pid=10634/tid=10639] ppid=10632 vsize=93464 CPUtime=0 cores=0-7
/proc/10634/task/10639/stat : 10639 (csls-pnorm) R 10632 10634 10428 0 -1 4202560 0 0 0 0 0 0 0 0 25 0 8 0 832598557 95707136 376 33554432000 4194304 4563110 140736768061312 18446744073709551615 47134924523436 0 0 4096 16384 0 0 0 -1 1 0 0 0
[pid=10634/tid=10640] ppid=10632 vsize=93464 CPUtime=0 cores=0-7
/proc/10634/task/10640/stat : 10640 (csls-pnorm) R 10632 10634 10428 0 -1 4202560 0 0 0 0 0 0 0 0 25 0 8 0 832598557 95707136 376 33554432000 4194304 4563110 140736768061312 18446744073709551615 260020452337 0 0 4096 16384 0 0 0 -1 4 0 0 0
[pid=10634/tid=10641] ppid=10632 vsize=93464 CPUtime=0 cores=0-7
/proc/10634/task/10641/stat : 10641 (csls-pnorm) R 10632 10634 10428 0 -1 4202560 0 0 0 0 0 0 0 0 25 0 8 0 832598557 95707136 376 33554432000 4194304 4563110 140736768061312 18446744073709551615 260020452337 0 0 4096 16384 0 0 0 -1 4 0 0 0

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

Child status: 0
Real time (s): 0.0639789
CPU time (s): 0.417936
CPU user time (s): 0.413937
CPU system time (s): 0.003999
CPU usage (%): 653.24
Max. virtual memory (cumulated for all children) (KiB): 0

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.413937
system time used= 0.003999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2391
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= 132
involuntary context switches= 6

runsolver used 0.002999 second user time and 0.009998 second system time

The end

Launcher Data

Begin job on node110 at 2011-05-26 17:28:00
IDJOB=3417794
IDBENCH=82641
IDSOLVER=1909
FILE ID=node110/3417794-1306423680
RUNJOBID= node110-1306418671-10442
PBS_JOBID= 13471274
Free space on /tmp= 73316 MiB

SOLVER NAME= csls pnorm-8cores
BENCH NAME= SAT11/random/large/unif-k3-r4.2-v2500-c10500-S89508070-083-UNKNOWN.cnf
COMMAND LINE= HOME/csls-pnorm -maxcores 8 BENCHNAME NBCORE RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3417794-1306423680/watcher-3417794-1306423680 -o /tmp/evaluation-result-3417794-1306423680/solver-3417794-1306423680 -C 40000 -W 5100 -M 31000  HOME/csls-pnorm -maxcores 8 HOME/instance-3417794-1306423680.cnf 8 122475029

TIME LIMIT= 40000 seconds
MEMORY LIMIT= 31000 MiB
NBCORE= 8

MD5SUM BENCH= cfefee970fb9a956a9dde1bcb9deab97
RANDOM SEED=122475029

node110.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		: 2666.830
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	: 5333.66
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		: 2666.830
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	: 5332.83
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		: 2666.830
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		: 2666.830
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		: 2666.830
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	: 5332.76
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		: 2666.830
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		: 2666.830
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	: 5332.74
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		: 2666.830
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:      18694644 kB
Buffers:        334764 kB
Cached:        9963060 kB
SwapCached:       1416 kB
Active:        7413656 kB
Inactive:      6508476 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      18694644 kB
SwapTotal:    67111528 kB
SwapFree:     67083432 kB
Dirty:             428 kB
Writeback:           0 kB
AnonPages:     3622628 kB
Mapped:          27832 kB
Slab:           241152 kB
PageTables:      26652 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS: 75582984 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= 73312 MiB
End job on node110 at 2011-05-26 17:28:00