Trace number 3158303

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 0.755884 0.193305

General information on the benchmark

Namerandom/large/
unif-k3-r4.2-v2500-c10500-S924370159-018-UNKNOWN.cnf
MD5SUM392862e8cb399d235b8f33dd872803fb
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.755884
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 58422152 used seed: 58422152
0.60/0.19	s SATISFIABLE
0.60/0.19	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 -243 244 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-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
0.60/0.19	c Min false clauses Core[0]: 0
0.60/0.19	c Min false clauses Core[1]: 5
0.60/0.19	c Min false clauses Core[2]: 12
0.60/0.19	c Min false clauses Core[3]: 9

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-3158303-1304038923/watcher-3158303-1304038923 -o /tmp/evaluation-result-3158303-1304038923/solver-3158303-1304038923 -C 4800 -W 1300 -M 15500 HOME/csls-prob -maxcores 8 HOME/instance-3158303-1304038923.cnf 4 58422152 

running on 4 cores: 0,2,4,6

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: 7.82 7.91 7.20 6/180 10655
/proc/meminfo: memFree=26353564/32950928 swapFree=67111364/67111528
[pid=10655] ppid=10653 vsize=128608 CPUtime=0 cores=0,2,4,6
/proc/10655/stat : 10655 (csls-prob) R 10653 10655 10480 0 -1 4202496 701 0 0 0 0 0 0 0 25 0 4 0 515492006 131694592 627 33554432000 4194304 4563014 140736021335104 18446744073709551615 208080232251 0 0 4096 16384 18446744073709551615 0 0 17 4 0 0 0
/proc/10655/statm: 32152 632 330 91 0 27670 0
[pid=10655/tid=10656] ppid=10653 vsize=128608 CPUtime=0 cores=0,2,4,6
/proc/10655/task/10656/stat : 10656 (csls-prob) R 10653 10655 10480 0 -1 4202560 55 0 0 0 0 0 0 0 25 0 4 0 515492006 131694592 655 33554432000 4194304 4563014 140736021335104 18446744073709551615 4307832 0 0 4096 16384 0 0 0 -1 0 0 0 0
[pid=10655/tid=10657] ppid=10653 vsize=128608 CPUtime=0 cores=0,2,4,6
/proc/10655/task/10657/stat : 10657 (csls-prob) R 10653 10655 10480 0 -1 4202560 63 0 0 0 0 0 0 0 25 0 4 0 515492006 131694592 658 33554432000 4194304 4563014 140736021335104 18446744073709551615 4470124 0 0 4096 16384 0 0 0 -1 2 0 0 0
[pid=10655/tid=10658] ppid=10653 vsize=128608 CPUtime=0 cores=0,2,4,6
/proc/10655/task/10658/stat : 10658 (csls-prob) R 10653 10655 10480 0 -1 4202560 91 0 0 0 0 0 0 0 25 0 4 0 515492006 131694592 659 33554432000 4194304 4563014 140736021335104 18446744073709551615 4470124 0 0 4096 16384 0 0 0 -1 0 0 0 0

[startup+0.0559961 s]
/proc/loadavg: 7.82 7.91 7.20 6/180 10655
/proc/meminfo: memFree=26353564/32950928 swapFree=67111364/67111528
[pid=10655] ppid=10653 vsize=128596 CPUtime=0.2 cores=0,2,4,6
/proc/10655/stat : 10655 (csls-prob) R 10653 10655 10480 0 -1 4202496 1396 0 0 0 20 0 0 0 25 0 4 0 515492006 131682304 1318 33554432000 4194304 4563014 140736021335104 18446744073709551615 4451008 0 0 4096 16384 18446744073709551615 0 0 17 4 0 0 0
/proc/10655/statm: 32149 1318 338 91 0 27667 0
[pid=10655/tid=10656] ppid=10653 vsize=128596 CPUtime=0.05 cores=0,2,4,6
/proc/10655/task/10656/stat : 10656 (csls-prob) R 10653 10655 10480 0 -1 4202560 226 0 0 0 5 0 0 0 25 0 4 0 515492006 131682304 1318 33554432000 4194304 4563014 140736021335104 18446744073709551615 4229229 0 0 4096 16384 0 0 0 -1 0 0 0 0
[pid=10655/tid=10657] ppid=10653 vsize=128596 CPUtime=0.05 cores=0,2,4,6
/proc/10655/task/10657/stat : 10657 (csls-prob) R 10653 10655 10480 0 -1 4202560 220 0 0 0 5 0 0 0 25 0 4 0 515492006 131682304 1318 33554432000 4194304 4563014 140736021335104 18446744073709551615 4439487 0 0 4096 16384 0 0 0 -1 2 0 0 0
[pid=10655/tid=10658] ppid=10653 vsize=128596 CPUtime=0.04 cores=0,2,4,6
/proc/10655/task/10658/stat : 10658 (csls-prob) R 10653 10655 10480 0 -1 4202560 249 0 0 0 4 0 0 0 25 0 4 0 515492006 131682304 1318 33554432000 4194304 4563014 140736021335104 18446744073709551615 4438773 0 0 4096 16384 0 0 0 -1 6 0 0 0
Current children cumulated CPU time (s) 0.2
Current children cumulated vsize (KiB) 128596

[startup+0.155977 s]
/proc/loadavg: 7.82 7.91 7.20 6/180 10655
/proc/meminfo: memFree=26353564/32950928 swapFree=67111364/67111528
[pid=10655] ppid=10653 vsize=128596 CPUtime=0.6 cores=0,2,4,6
/proc/10655/stat : 10655 (csls-prob) R 10653 10655 10480 0 -1 4202496 1396 0 0 0 60 0 0 0 25 0 4 0 515492006 131682304 1318 33554432000 4194304 4563014 140736021335104 18446744073709551615 4451035 0 0 4096 16384 18446744073709551615 0 0 17 4 0 0 0
/proc/10655/statm: 32149 1318 338 91 0 27667 0
[pid=10655/tid=10656] ppid=10653 vsize=128596 CPUtime=0.15 cores=0,2,4,6
/proc/10655/task/10656/stat : 10656 (csls-prob) R 10653 10655 10480 0 -1 4202560 226 0 0 0 15 0 0 0 25 0 4 0 515492006 131682304 1318 33554432000 4194304 4563014 140736021335104 18446744073709551615 4438773 0 0 4096 16384 0 0 0 -1 0 0 0 0
[pid=10655/tid=10657] ppid=10653 vsize=128596 CPUtime=0.15 cores=0,2,4,6
/proc/10655/task/10657/stat : 10657 (csls-prob) R 10653 10655 10480 0 -1 4202560 220 0 0 0 15 0 0 0 25 0 4 0 515492006 131682304 1318 33554432000 4194304 4563014 140736021335104 18446744073709551615 4439573 0 0 4096 16384 0 0 0 -1 2 0 0 0
[pid=10655/tid=10658] ppid=10653 vsize=128596 CPUtime=0.14 cores=0,2,4,6
/proc/10655/task/10658/stat : 10658 (csls-prob) R 10653 10655 10480 0 -1 4202560 249 0 0 0 14 0 0 0 25 0 4 0 515492006 131682304 1318 33554432000 4194304 4563014 140736021335104 18446744073709551615 4229024 0 0 4096 16384 0 0 0 -1 6 0 0 0
Current children cumulated CPU time (s) 0.6
Current children cumulated vsize (KiB) 128596

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

Child status: 0
Real time (s): 0.193305
CPU time (s): 0.755884
CPU user time (s): 0.752885
CPU system time (s): 0.002999
CPU usage (%): 391.032
Max. virtual memory (cumulated for all children) (KiB): 128596

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.752885
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= 1399
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= 42
involuntary context switches= 12

runsolver used 0.000999 second user time and 0.005999 second system time

The end

Launcher Data

Begin job on node127 at 2011-04-29 03:02:03
IDJOB=3158303
IDBENCH=82526
IDSOLVER=1569
FILE ID=node127/3158303-1304038923
RUNJOBID= node127-1304037672-10498
PBS_JOBID= 13170372
Free space on /tmp= 71820 MiB

SOLVER NAME= csls prob-8cores
BENCH NAME= SAT11/random/large/unif-k3-r4.2-v2500-c10500-S924370159-018-UNKNOWN.cnf
COMMAND LINE= HOME/csls-prob -maxcores 8 BENCHNAME NBCORE RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3158303-1304038923/watcher-3158303-1304038923 -o /tmp/evaluation-result-3158303-1304038923/solver-3158303-1304038923 -C 4800 -W 1300 -M 15500  HOME/csls-prob -maxcores 8 HOME/instance-3158303-1304038923.cnf 4 58422152

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

MD5SUM BENCH= 392862e8cb399d235b8f33dd872803fb
RANDOM SEED=58422152

node127.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		: 2666.823
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	: 5333.64
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		: 2666.823
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		: 2666.823
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	: 5332.74
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		: 2666.823
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	: 5332.86
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		: 2666.823
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		: 2666.823
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		: 2666.823
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	: 5332.60
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		: 2666.823
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:     32950928 kB
MemFree:      26353596 kB
Buffers:       1377568 kB
Cached:        4671164 kB
SwapCached:          0 kB
Active:        1705952 kB
Inactive:      4417096 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      26353596 kB
SwapTotal:    67111528 kB
SwapFree:     67111364 kB
Dirty:             408 kB
Writeback:           0 kB
AnonPages:       74244 kB
Mapped:          15572 kB
Slab:           409492 kB
PageTables:       4512 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS:   257972 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= 71820 MiB
End job on node127 at 2011-04-29 03:02:04