Trace number 3158418

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 prob-8coresSAT 0.304953 0.0806559

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 benchmark0.086986
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 1522391454 used seed: 1522391454
0.30/0.08	s SATISFIABLE
0.30/0.08	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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0.30/0.08	c Min false clauses Core[0]: 11
0.30/0.08	c Min false clauses Core[1]: 3
0.30/0.08	c Min false clauses Core[2]: 0
0.30/0.08	c Min false clauses Core[3]: 5

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-3158418-1304056779/watcher-3158418-1304056779 -o /tmp/evaluation-result-3158418-1304056779/solver-3158418-1304056779 -C 4800 -W 1300 -M 15500 HOME/csls-prob -maxcores 8 HOME/instance-3158418-1304056779.cnf 4 1522391454 

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

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 4800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 4830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1300 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: 8.17 8.12 7.71 6/180 15188
/proc/meminfo: memFree=17951312/32951124 swapFree=67111528/67111528
[pid=15188] ppid=15186 vsize=50760 CPUtime=0 cores=1,3,5,7
/proc/15188/stat : 15188 (csls-prob) R 15186 15188 12737 0 -1 4202496 420 0 0 0 0 0 0 0 25 0 4 0 517280505 51978240 359 33554432000 4194304 4563014 140734368063472 18446744073709551615 47070067177394 0 0 4096 16384 18446744073709551615 0 0 17 3 0 0 0
/proc/15188/statm: 12690 359 297 91 0 8208 0
[pid=15188/tid=15189] ppid=15186 vsize=50760 CPUtime=0 cores=1,3,5,7
/proc/15188/task/15189/stat : 15189 (csls-prob) R 15186 15188 12737 0 -1 4202560 1 0 0 0 0 0 0 0 25 0 4 0 517280506 51978240 359 33554432000 4194304 4563014 140734368063472 18446744073709551615 47070067177394 0 0 4096 16384 0 0 0 -1 3 0 0 0
[pid=15188/tid=15190] ppid=15186 vsize=50760 CPUtime=0 cores=1,3,5,7
/proc/15188/task/15190/stat : 15190 (csls-prob) R 15186 15188 12737 0 -1 4202560 0 0 0 0 0 0 0 0 25 0 4 0 517280506 51978240 359 33554432000 4194304 4563014 140734368063472 18446744073709551615 216634571761 0 0 4096 16384 0 0 0 -1 3 0 0 0
[pid=15188/tid=15191] ppid=15186 vsize=50760 CPUtime=0 cores=1,3,5,7
/proc/15188/task/15191/stat : 15191 (csls-prob) R 15186 15188 12737 0 -1 4202560 0 0 0 0 0 0 0 0 25 0 4 0 517280506 51978240 359 33554432000 4194304 4563014 140734368063472 18446744073709551615 47070067177394 0 0 4096 16384 0 0 0 -1 1 0 0 0

[startup+0.080483 s]
/proc/loadavg: 8.17 8.12 7.71 6/180 15188
/proc/meminfo: memFree=17951312/32951124 swapFree=67111528/67111528
[pid=15188] ppid=15186 vsize=0 CPUtime=0.3 cores=1,3,5,7
/proc/15188/stat : 15188 (csls-prob) Z 15186 15188 12737 0 -1 4202524 1422 0 0 0 30 0 0 0 18 0 2 0 517280505 0 0 33554432000 0 0 0 0 0 0 0 4096 16384 18446744073709551615 0 0 17 3 0 0 0
/proc/15188/statm: 0 0 0 0 0 0 0
[pid=15188/tid=15190] ppid=15186 vsize=0 CPUtime=0.07 cores=1,3,5,7
/proc/15188/task/15190/stat : 15190 (csls-prob) R 15186 15188 12737 0 -1 4203588 245 0 0 0 7 0 0 0 25 0 2 0 517280506 0 0 33554432000 0 0 0 0 0 0 0 4096 16384 18446744073709551615 0 0 -1 5 0 0 0
Current children cumulated CPU time (s) 0.3
Current children cumulated vsize (KiB) 0

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

[startup+0.080483 s]
/proc/loadavg: 8.17 8.12 7.71 6/180 15188
/proc/meminfo: memFree=17951312/32951124 swapFree=67111528/67111528
[pid=15188] ppid=15186 vsize=0 CPUtime=0.3 cores=1,3,5,7
/proc/15188/stat : 15188 (csls-prob) Z 15186 15188 12737 0 -1 4202524 1422 0 0 0 30 0 0 0 18 0 2 0 517280505 0 0 33554432000 0 0 0 0 0 0 0 4096 16384 18446744073709551615 0 0 17 3 0 0 0
/proc/15188/statm: 0 0 0 0 0 0 0
[pid=15188/tid=15190] ppid=15186 vsize=0 CPUtime=0.07 cores=1,3,5,7
/proc/15188/task/15190/stat : 15190 (csls-prob) R 15186 15188 12737 0 -1 4203588 245 0 0 0 7 0 0 0 25 0 2 0 517280506 0 0 33554432000 0 0 0 0 0 0 0 4096 16384 18446744073709551615 0 0 -1 5 0 0 0
Current children cumulated CPU time (s) 0.3
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 0.0806559
CPU time (s): 0.304953
CPU user time (s): 0.301954
CPU system time (s): 0.002999
CPU usage (%): 378.091
Max. virtual memory (cumulated for all children) (KiB): 0

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.301954
system time used= 0.002999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1422
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= 41
involuntary context switches= 6

runsolver used 0 second user time and 0.005999 second system time

The end

Launcher Data

Begin job on node103 at 2011-04-29 07:59:39
IDJOB=3158418
IDBENCH=82641
IDSOLVER=1569
FILE ID=node103/3158418-1304056779
RUNJOBID= node103-1304054224-14854
PBS_JOBID= 13170359
Free space on /tmp= 71516 MiB

SOLVER NAME= csls prob-8cores
BENCH NAME= SAT11/random/large/unif-k3-r4.2-v2500-c10500-S89508070-083-UNKNOWN.cnf
COMMAND LINE= HOME/csls-prob -maxcores 8 BENCHNAME NBCORE RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3158418-1304056779/watcher-3158418-1304056779 -o /tmp/evaluation-result-3158418-1304056779/solver-3158418-1304056779 -C 4800 -W 1300 -M 15500  HOME/csls-prob -maxcores 8 HOME/instance-3158418-1304056779.cnf 4 1522391454

TIME LIMIT= 4800 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= cfefee970fb9a956a9dde1bcb9deab97
RANDOM SEED=1522391454

node103.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		: 2666.858
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	: 5333.71
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		: 2666.858
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		: 2666.858
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		: 2666.858
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	: 5332.77
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		: 2666.858
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		: 2666.858
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		: 2666.858
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	: 5332.83
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		: 2666.858
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	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      17951468 kB
Buffers:       2145484 kB
Cached:       12200128 kB
SwapCached:          0 kB
Active:        5544968 kB
Inactive:      8873344 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      17951468 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:             440 kB
Writeback:           0 kB
AnonPages:       72532 kB
Mapped:          15348 kB
Slab:           518108 kB
PageTables:       4776 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   258360 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= 71516 MiB
End job on node103 at 2011-04-29 07:59:39