Trace number 1784694

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
clasp 1.2.0-SAT09-32SAT 3.21751 3.2239

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
MD5SUM74af041eb51b172e799baf4bb7eaa52f
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark2.47462
Satisfiable
(Un)Satisfiability was proved
Number of variables2737
Number of clauses18375
Sum of the clauses size129048
Maximum clause length13
Minimum clause length1
Number of clauses of size 149
Number of clauses of size 2491
Number of clauses of size 32419
Number of clauses of size 4526
Number of clauses of size 5691
Number of clauses of size over 514199

Solver Data 

3.19/3.21	c clasp version 1.2.0-SAT09 
3.19/3.21	c Reading from ...864646/instance-1784694-1241864646.cnf
3.19/3.21	c Reading      : Done(0.020s)
3.19/3.21	c Preprocessing: |-\|Done(0.120s)
3.19/3.21	c Solving...
3.19/3.21	c Model: 1
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3.19/3.21	v 1641 -1642 1643 -1644 1645 1646 1647 1648 -1649 1650
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3.19/3.22	v -2181 -2182 -2183 -2184 -2185 2186 -2187 2188 -2189 -2190
3.19/3.22	v 2191 2192 2193 -2194 -2195 -2196 2197 2198 -2199 -2200
3.19/3.22	v -2201 -2202 -2203 -2204 2205 2206 -2207 2208 -2209 2210
3.19/3.22	v -2211 -2212 2213 -2214 -2215 2216 -2217 2218 -2219 2220
3.19/3.22	v 2221 2222 -2223 2224 2225 2226 -2227 -2228 -2229 2230
3.19/3.22	v -2231 -2232 2233 -2234 -2235 -2236 -2237 -2238 -2239 -2240
3.19/3.22	v 2241 -2242 2243 2244 -2245 2246 -2247 2248 -2249 2250
3.19/3.22	v 2251 -2252 2253 2254 -2255 2256 -2257 -2258 -2259 -2260
3.19/3.22	v -2261 -2262 -2263 -2264 -2265 -2266 -2267 2268 2269 -2270
3.19/3.22	v 2271 -2272 -2273 -2274 -2275 -2276 -2277 2278 2279 2280
3.19/3.22	v -2281 -2282 2283 -2284 -2285 -2286 2287 -2288 -2289 2290
3.19/3.22	v -2291 2292 2293 2294 -2295 -2296 -2297 2298 2299 2300
3.19/3.22	v -2301 -2302 -2303 -2304 -2305 -2306 2307 -2308 2309 2310
3.19/3.22	v -2311 -2312 -2313 -2314 2315 -2316 2317 -2318 2319 -2320
3.19/3.22	v -2321 -2322 -2323 2324 -2325 2326 2327 2328 -2329 2330
3.19/3.22	v 2331 -2332 -2333 2334 -2335 2336 -2337 -2338 2339 -2340
3.19/3.22	v -2341 -2342 2343 -2344 -2345 -2346 -2347 -2348 -2349 -2350
3.19/3.22	v -2351 -2352 -2353 -2354 -2355 2356 2357 2358 -2359 -2360
3.19/3.22	v -2361 -2362 2363 -2364 -2365 -2366 -2367 2368 -2369 -2370
3.19/3.22	v 2371 2372 2373 -2374 2375 -2376 2377 -2378 2379 -2380
3.19/3.22	v 2381 -2382 -2383 2384 -2385 2386 2387 -2388 2389 -2390
3.19/3.22	v -2391 -2392 2393 2394 -2395 2396 -2397 2398 -2399 2400
3.19/3.22	v 2401 -2402 2403 -2404 2405 2406 -2407 -2408 -2409 -2410
3.19/3.22	v -2411 -2412 -2413 -2414 2415 -2416 -2417 -2418 -2419 -2420
3.19/3.22	v 2421 -2422 -2423 -2424 2425 -2426 2427 -2428 2429 2430
3.19/3.22	v -2431 -2432 2433 2434 -2435 2436 -2437 -2438 2439 2440
3.19/3.22	v 2441 2442 -2443 -2444 2445 2446 -2447 2448 -2449 2450
3.19/3.22	v 2451 -2452 -2453 2454 2455 -2456 -2457 -2458 -2459 -2460
3.19/3.22	v 2461 -2462 -2463 -2464 -2465 2466 -2467 2468 -2469 -2470
3.19/3.22	v 2471 2472 2473 -2474 -2475 -2476 -2477 -2478 -2479 2480
3.19/3.22	v -2481 2482 -2483 2484 -2485 2486 -2487 2488 -2489 2490
3.19/3.22	v -2491 -2492 -2493 2494 2495 -2496 2497 -2498 -2499 2500
3.19/3.22	v -2501 -2502 -2503 -2504 -2505 -2506 2507 2508 -2509 -2510
3.19/3.22	v 2511 2512 2513 -2514 -2515 2516 2517 2518 -2519 -2520
3.19/3.22	v -2521 -2522 -2523 -2524 -2525 -2526 2527 2528 -2529 -2530
3.19/3.22	v -2531 -2532 2533 2534 2535 2536 -2537 2538 -2539 -2540
3.19/3.22	v 2541 -2542 2543 2544 2545 -2546 -2547 -2548 2549 -2550
3.19/3.22	v -2551 -2552 -2553 2554 2555 2556 -2557 2558 -2559 2560
3.19/3.22	v 2561 -2562 2563 2564 -2565 -2566 2567 -2568 -2569 -2570
3.19/3.22	v 2571 2572 -2573 2574 2575 -2576 -2577 -2578 -2579 2580
3.19/3.22	v -2581 2582 -2583 2584 2585 2586 -2587 -2588 2589 -2590
3.19/3.22	v 2591 -2592 2593 -2594 -2595 -2596 2597 -2598 2599 -2600
3.19/3.22	v -2601 -2602 2603 -2604 -2605 -2606 -2607 -2608 -2609 -2610
3.19/3.22	v 2611 -2612 2613 2614 -2615 -2616 -2617 -2618 2619 -2620
3.19/3.22	v -2621 2622 -2623 2624 -2625 2626 -2627 -2628 -2629 -2630
3.19/3.22	v -2631 2632 -2633 -2634 2635 -2636 -2637 2638 -2639 -2640
3.19/3.22	v 2641 2642 2643 -2644 2645 2646 2647 2648 2649 -2650
3.19/3.22	v -2651 2652 2653 -2654 2655 -2656 -2657 2658 -2659 2660
3.19/3.22	v -2661 -2662 2663 -2664 -2665 -2666 -2667 -2668 -2669 -2670
3.19/3.22	v 2671 -2672 -2673 -2674 2675 2676 -2677 2678 -2679 -2680
3.19/3.22	v -2681 -2682 -2683 2684 2685 2686 -2687 -2688 -2689 -2690
3.19/3.22	v 2691 -2692 -2693 2694 -2695 2696 -2697 2698 -2699 -2700
3.19/3.22	v -2701 2702 2703 2704 -2705 2706 -2707 2708 2709 -2710
3.19/3.22	v 2711 2712 -2713 -2714 -2715 2716 -2717 -2718 -2719 -2720
3.19/3.22	v -2721 -2722 -2723 -2724 -2725 2726 -2727 -2728 -2729 -2730
3.19/3.22	v -2731 2732 2733 -2734 2735 -2736 -2737 0 
3.19/3.22	
3.19/3.22	c Models    : 1+    
3.19/3.22	c Time         : 3.210s (Solve: 3.070s)
3.19/3.22	s SATISFIABLE

Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1784694-1241864646/watcher-1784694-1241864646 -o /tmp/evaluation-result-1784694-1241864646/solver-1784694-1241864646 -C 5000 -W 6000 -M 1800 HOME/clasp --file=HOME/instance-1784694-1241864646.cnf --dimacs --number=1 --sat-p=20,25,150 --hParam=0,512 

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): 6000 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.99 0.97 0.91 2/64 22437
/proc/meminfo: memFree=1830976/2055920 swapFree=4082376/4192956
[pid=22437] ppid=22435 vsize=1696 CPUtime=0
/proc/22437/stat : 22437 (clasp) R 22435 22437 22365 0 -1 4194304 164 0 0 0 0 0 0 0 20 0 1 0 214498530 1736704 148 1992294400 134512640 136057169 4294956176 18446744073709551615 135499438 0 0 4096 16386 0 0 0 17 1 0 0
/proc/22437/statm: 424 158 139 377 0 44 0

[startup+0.0303401 s]
/proc/loadavg: 0.99 0.97 0.91 2/64 22437
/proc/meminfo: memFree=1830976/2055920 swapFree=4082376/4192956
[pid=22437] ppid=22435 vsize=3068 CPUtime=0.02
/proc/22437/stat : 22437 (clasp) R 22435 22437 22365 0 -1 4194304 575 0 0 0 2 0 0 0 20 0 1 0 214498530 3141632 539 1992294400 134512640 136057169 4294956176 18446744073709551615 135443142 0 0 4096 16386 0 0 0 17 1 0 0
/proc/22437/statm: 767 543 165 377 0 387 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 3068

[startup+0.101346 s]
/proc/loadavg: 0.99 0.97 0.91 2/64 22437
/proc/meminfo: memFree=1830976/2055920 swapFree=4082376/4192956
[pid=22437] ppid=22435 vsize=3904 CPUtime=0.09
/proc/22437/stat : 22437 (clasp) R 22435 22437 22365 0 -1 4194304 761 0 0 0 9 0 0 0 20 0 1 0 214498530 3997696 725 1992294400 134512640 136057169 4294956176 18446744073709551615 135440814 0 0 4096 16386 0 0 0 17 1 0 0
/proc/22437/statm: 976 725 169 377 0 596 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3904

[startup+0.301368 s]
/proc/loadavg: 0.99 0.97 0.91 2/64 22437
/proc/meminfo: memFree=1830976/2055920 swapFree=4082376/4192956
[pid=22437] ppid=22435 vsize=4052 CPUtime=0.29
/proc/22437/stat : 22437 (clasp) R 22435 22437 22365 0 -1 4194304 825 0 0 0 29 0 0 0 21 0 1 0 214498530 4149248 789 1992294400 134512640 136057169 4294956176 18446744073709551615 134651752 0 0 4096 16386 0 0 0 17 1 0 0
/proc/22437/statm: 1013 789 183 377 0 633 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4052

[startup+0.701413 s]
/proc/loadavg: 0.99 0.97 0.91 2/64 22437
/proc/meminfo: memFree=1830976/2055920 swapFree=4082376/4192956
[pid=22437] ppid=22435 vsize=4052 CPUtime=0.69
/proc/22437/stat : 22437 (clasp) R 22435 22437 22365 0 -1 4194304 837 0 0 0 69 0 0 0 25 0 1 0 214498530 4149248 801 1992294400 134512640 136057169 4294956176 18446744073709551615 134824962 0 0 4096 16386 0 0 0 17 1 0 0
/proc/22437/statm: 1013 801 183 377 0 633 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4052

[startup+1.5015 s]
/proc/loadavg: 0.99 0.97 0.91 2/65 22438
/proc/meminfo: memFree=1828216/2055920 swapFree=4082376/4192956
[pid=22437] ppid=22435 vsize=4448 CPUtime=1.49
/proc/22437/stat : 22437 (clasp) R 22435 22437 22365 0 -1 4194304 929 0 0 0 149 0 0 0 25 0 1 0 214498530 4554752 893 1992294400 134512640 136057169 4294956176 18446744073709551615 134618289 0 0 4096 16386 0 0 0 17 1 0 0
/proc/22437/statm: 1112 893 183 377 0 732 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 4448

[startup+3.10168 s]
/proc/loadavg: 0.99 0.97 0.91 2/65 22438
/proc/meminfo: memFree=1827832/2055920 swapFree=4082376/4192956
[pid=22437] ppid=22435 vsize=4844 CPUtime=3.09
/proc/22437/stat : 22437 (clasp) R 22435 22437 22365 0 -1 4194304 1042 0 0 0 309 0 0 0 25 0 1 0 214498530 4960256 1006 1992294400 134512640 136057169 4294956176 18446744073709551615 134823794 0 0 4096 16386 0 0 0 17 1 0 0
/proc/22437/statm: 1211 1006 183 377 0 831 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 4844

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

[startup+3.20169 s]
/proc/loadavg: 0.99 0.97 0.91 2/65 22438
/proc/meminfo: memFree=1827512/2055920 swapFree=4082376/4192956
[pid=22437] ppid=22435 vsize=4844 CPUtime=3.19
/proc/22437/stat : 22437 (clasp) R 22435 22437 22365 0 -1 4194304 1044 0 0 0 319 0 0 0 25 0 1 0 214498530 4960256 1008 1992294400 134512640 136057169 4294956176 18446744073709551615 134645315 0 0 4096 16386 0 0 0 17 1 0 0
/proc/22437/statm: 1211 1008 183 377 0 831 0
Current children cumulated CPU time (s) 3.19
Current children cumulated vsize (KiB) 4844

Child status: 10
Real time (s): 3.2239
CPU time (s): 3.21751
CPU user time (s): 3.21251
CPU system time (s): 0.004999
CPU usage (%): 99.8017
Max. virtual memory (cumulated for all children) (KiB): 4844

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.21251
system time used= 0.004999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1051
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= 10
involuntary context switches= 8

runsolver used 0.008998 second user time and 0.013997 second system time

The end

Launcher Data 

Begin job on node5 at 2009-05-09 12:24:06
IDJOB=1784694
IDBENCH=24595
IDSOLVER=637
FILE ID=node5/1784694-1241864646
PBS_JOBID= 9264607
Free space on /tmp= 66332 MiB

SOLVER NAME= clasp 1.2.0-SAT09-32
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
COMMAND LINE= HOME/clasp --file=BENCHNAME --dimacs --number=1 --sat-p=20,25,150 --hParam=0,512
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1784694-1241864646/watcher-1784694-1241864646 -o /tmp/evaluation-result-1784694-1241864646/solver-1784694-1241864646 -C 5000 -W 6000 -M 1800  HOME/clasp --file=HOME/instance-1784694-1241864646.cnf --dimacs --number=1 --sat-p=20,25,150 --hParam=0,512

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 74af041eb51b172e799baf4bb7eaa52f
RANDOM SEED=1932464036

node5.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.212
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
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 lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5914.62
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.212
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
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 lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1831392 kB
Buffers:         23688 kB
Cached:          53052 kB
SwapCached:     105296 kB
Active:          52068 kB
Inactive:       131420 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1831392 kB
SwapTotal:     4192956 kB
SwapFree:      4082376 kB
Dirty:            2520 kB
Writeback:           0 kB
Mapped:          13476 kB
Slab:            27052 kB
Committed_AS:   743000 kB
PageTables:       1388 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66332 MiB
End job on node5 at 2009-05-09 12:24:09