Trace number 3157818

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-4coresSAT 0.535917 0.139574

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 1765210637 used seed: 1765210637
0.50/0.13	s SATISFIABLE
0.50/0.13	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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-2374 -2375 2376 -2377 -2378 2379 2380 -2381 2382 2383 2384 2385 -2386 -2387 2388 2389 -2390 -2391 -2392 2393 2394 -2395 2396 -2397 2398 2399 2400 2401 -2402 -2403 -2404 -2405 2406 2407 -2408 -2409 -2410 -2411 -2412 2413 2414 -2415 -2416 -2417 2418 2419 -2420 2421 2422 -2423 -2424 2425 -2426 -2427 -2428 2429 -2430 -2431 -2432 2433 -2434 -2435 -2436 -2437 2438 2439 -2440 -2441 -2442 -2443 2444 -2445 -2446 2447 2448 -2449 -2450 2451 -2452 2453 -2454 2455 2456 -2457 2458 2459 -2460 -2461 -2462 2463 2464 -2465 -2466 -2467 -2468 2469 -2470 -2471 -2472 -2473 -2474 -2475 2476 2477 2478 -2479 -2480 2481 -2482 -2483 2484 -2485 -2486 -2487 2488 -2489 2490 -2491 -2492 2493 -2494 -2495 2496 -2497 -2498 -2499 -2500 0
0.50/0.13	c Min false clauses Core[0]: 0
0.50/0.13	c Min false clauses Core[1]: 1
0.50/0.13	c Min false clauses Core[2]: 5
0.50/0.13	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-3157818-1304055296/watcher-3157818-1304055296 -o /tmp/evaluation-result-3157818-1304055296/solver-3157818-1304055296 -C 4800 -W 1300 -M 15500 HOME/csls-prob -maxcores 4 HOME/instance-3157818-1304055296.cnf 4 1765210637 

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: 1.89 2.02 2.65 2/173 29495
/proc/meminfo: memFree=31574276/32950928 swapFree=67111404/67111528
[pid=29495] ppid=29492 vsize=50760 CPUtime=0 cores=1,3,5,7
/proc/29495/stat : 29495 (csls-prob) R 29492 29495 27293 0 -1 4202496 422 0 0 0 0 0 0 0 25 0 4 0 517128327 51978240 361 33554432000 4194304 4563014 140737137973248 18446744073709551615 47571529447346 0 0 4096 16384 18446744073709551615 0 0 17 1 0 0 0
/proc/29495/statm: 12690 361 297 91 0 8208 0
[pid=29495/tid=29499] ppid=29492 vsize=50760 CPUtime=0 cores=1,3,5,7
/proc/29495/task/29499/stat : 29499 (csls-prob) R 29492 29495 27293 0 -1 4202560 0 0 0 0 0 0 0 0 25 0 4 0 517128328 51978240 361 33554432000 4194304 4563014 140737137973248 18446744073709551615 235594922993 0 0 4096 16384 0 0 0 -1 1 0 0 0
[pid=29495/tid=29500] ppid=29492 vsize=50760 CPUtime=0 cores=1,3,5,7
/proc/29495/task/29500/stat : 29500 (csls-prob) R 29492 29495 27293 0 -1 4202560 1 0 0 0 0 0 0 0 25 0 4 0 517128328 51978240 361 33554432000 4194304 4563014 140737137973248 18446744073709551615 235589898472 0 0 4096 16384 0 0 0 -1 5 0 0 0
[pid=29495/tid=29501] ppid=29492 vsize=50760 CPUtime=0 cores=1,3,5,7
/proc/29495/task/29501/stat : 29501 (csls-prob) R 29492 29495 27293 0 -1 4202560 1 0 0 0 0 0 0 0 25 0 4 0 517128328 51978240 361 33554432000 4194304 4563014 140737137973248 18446744073709551615 235589898472 0 0 4096 16384 0 0 0 -1 3 0 0 0

[startup+0.131984 s]
/proc/loadavg: 1.89 2.02 2.65 2/173 29495
/proc/meminfo: memFree=31574276/32950928 swapFree=67111404/67111528
[pid=29495] ppid=29492 vsize=128596 CPUtime=0.5 cores=1,3,5,7
/proc/29495/stat : 29495 (csls-prob) R 29492 29495 27293 0 -1 4202496 1425 0 0 0 50 0 0 0 25 0 4 0 517128327 131682304 1319 33554432000 4194304 4563014 140737137973248 18446744073709551615 4451019 0 0 4096 16384 18446744073709551615 0 0 17 1 0 0 0
/proc/29495/statm: 32149 1319 339 91 0 27667 0
[pid=29495/tid=29499] ppid=29492 vsize=128596 CPUtime=0.12 cores=1,3,5,7
/proc/29495/task/29499/stat : 29499 (csls-prob) R 29492 29495 27293 0 -1 4202560 247 0 0 0 12 0 0 0 25 0 4 0 517128328 131682304 1319 33554432000 4194304 4563014 140737137973248 18446744073709551615 4229236 0 0 4096 16384 0 0 0 -1 7 0 0 0
[pid=29495/tid=29500] ppid=29492 vsize=128596 CPUtime=0.12 cores=1,3,5,7
/proc/29495/task/29500/stat : 29500 (csls-prob) R 29492 29495 27293 0 -1 4202560 245 0 0 0 12 0 0 0 25 0 4 0 517128328 131682304 1319 33554432000 4194304 4563014 140737137973248 18446744073709551615 47571529445691 0 0 4096 16384 0 0 0 -1 5 0 0 0
[pid=29495/tid=29501] ppid=29492 vsize=128596 CPUtime=0.12 cores=1,3,5,7
/proc/29495/task/29501/stat : 29501 (csls-prob) R 29492 29495 27293 0 -1 4202560 238 0 0 0 12 0 0 0 25 0 4 0 517128328 131682304 1319 33554432000 4194304 4563014 140737137973248 18446744073709551615 4439464 0 0 4096 16384 0 0 0 -1 3 0 0 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 128596

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

[startup+0.131984 s]
/proc/loadavg: 1.89 2.02 2.65 2/173 29495
/proc/meminfo: memFree=31574276/32950928 swapFree=67111404/67111528
[pid=29495] ppid=29492 vsize=128596 CPUtime=0.5 cores=1,3,5,7
/proc/29495/stat : 29495 (csls-prob) R 29492 29495 27293 0 -1 4202496 1425 0 0 0 50 0 0 0 25 0 4 0 517128327 131682304 1319 33554432000 4194304 4563014 140737137973248 18446744073709551615 4451019 0 0 4096 16384 18446744073709551615 0 0 17 1 0 0 0
/proc/29495/statm: 32149 1319 339 91 0 27667 0
[pid=29495/tid=29499] ppid=29492 vsize=128596 CPUtime=0.12 cores=1,3,5,7
/proc/29495/task/29499/stat : 29499 (csls-prob) R 29492 29495 27293 0 -1 4202560 247 0 0 0 12 0 0 0 25 0 4 0 517128328 131682304 1319 33554432000 4194304 4563014 140737137973248 18446744073709551615 4229236 0 0 4096 16384 0 0 0 -1 7 0 0 0
[pid=29495/tid=29500] ppid=29492 vsize=128596 CPUtime=0.12 cores=1,3,5,7
/proc/29495/task/29500/stat : 29500 (csls-prob) R 29492 29495 27293 0 -1 4202560 245 0 0 0 12 0 0 0 25 0 4 0 517128328 131682304 1319 33554432000 4194304 4563014 140737137973248 18446744073709551615 47571529445691 0 0 4096 16384 0 0 0 -1 5 0 0 0
[pid=29495/tid=29501] ppid=29492 vsize=128596 CPUtime=0.12 cores=1,3,5,7
/proc/29495/task/29501/stat : 29501 (csls-prob) R 29492 29495 27293 0 -1 4202560 238 0 0 0 12 0 0 0 25 0 4 0 517128328 131682304 1319 33554432000 4194304 4563014 140737137973248 18446744073709551615 4439464 0 0 4096 16384 0 0 0 -1 3 0 0 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 128596

Child status: 0
Real time (s): 0.139574
CPU time (s): 0.535917
CPU user time (s): 0.534918
CPU system time (s): 0.000999
CPU usage (%): 383.966
Max. virtual memory (cumulated for all children) (KiB): 128596

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.534918
system time used= 0.000999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1428
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= 56
involuntary context switches= 8

runsolver used 0.002999 second user time and 0.003999 second system time

The end

Launcher Data

Begin job on node120 at 2011-04-29 07:34:56
IDJOB=3157818
IDBENCH=82641
IDSOLVER=1568
FILE ID=node120/3157818-1304055296
RUNJOBID= node120-1304055296-29480
PBS_JOBID= 13170379
Free space on /tmp= 72076 MiB

SOLVER NAME= csls prob-4cores
BENCH NAME= SAT11/random/large/unif-k3-r4.2-v2500-c10500-S89508070-083-UNKNOWN.cnf
COMMAND LINE= HOME/csls-prob -maxcores 4 BENCHNAME NBCORE RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3157818-1304055296/watcher-3157818-1304055296 -o /tmp/evaluation-result-3157818-1304055296/solver-3157818-1304055296 -C 4800 -W 1300 -M 15500  HOME/csls-prob -maxcores 4 HOME/instance-3157818-1304055296.cnf 4 1765210637

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

MD5SUM BENCH= cfefee970fb9a956a9dde1bcb9deab97
RANDOM SEED=1765210637

node120.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		: 2666.809
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	: 5333.61
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		: 2666.809
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		: 2666.809
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	: 5332.82
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		: 2666.809
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		: 2666.809
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	: 5332.78
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		: 2666.809
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		: 2666.809
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		: 2666.809
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:     32950928 kB
MemFree:      31574564 kB
Buffers:        429016 kB
Cached:         524656 kB
SwapCached:          8 kB
Active:         350116 kB
Inactive:       667200 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      31574564 kB
SwapTotal:    67111528 kB
SwapFree:     67111404 kB
Dirty:            1188 kB
Writeback:           4 kB
AnonPages:       63492 kB
Mapped:          14640 kB
Slab:           294944 kB
PageTables:       4260 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS:   185512 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= 72072 MiB
End job on node120 at 2011-04-29 07:34:56