Trace number 3266016

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
shortsattime2011 2011-03-02SAT 0.464928 0.4653

General information on the benchmark

NameSAT05/crafted/sorge05/QG8/
iso-ukn009.shuffled-as.sat05-3632.cnf
MD5SUM4502d767c38bfe3825eec510915dae05
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.003998
Satisfiable
(Un)Satisfiability was proved
Number of variables1584
Number of clauses16587
Sum of the clauses size75691
Maximum clause length22
Minimum clause length1
Number of clauses of size 1143
Number of clauses of size 22152
Number of clauses of size 310834
Number of clauses of size 4110
Number of clauses of size 5140
Number of clauses of size over 53208

Solver Data 

0.40/0.46	c 1713 clauses are redundant and removed
0.40/0.46	c 470 vars are fixed and 11322 clauses are removed after unit propagation
0.40/0.46	c 518 vars are fixed and 12674 clauses are removed after lookahead
0.40/0.46	c initial seed is 1673101094
0.40/0.46	c try=1 flip j=29083 walk=24707 seed 1673101111
0.40/0.46	c A solution is found
0.40/0.46	s SATISFIABLE
0.40/0.46	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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-1467 1468 -1469 1470 1471 -1472 -1473 1474 -1475 -1476 -1477 1478 -1479 1480 1481 -1482 -1483 1484 -1485 -1486 1487 -1488 1489 1490 1491 1492 -1493 1494 1495 -1496 1497 1498 1499 -1500 -1501 -1502 1503 1504 1505 1506 -1507 1508 -1509 1510 -1511 1512 1513 -1514 1515 -1516 -1517 -1518 -1519 1520 1521 -1522 1523 -1524 -1525 1526 1527 1528 1529 1530 -1531 -1532 1533 1534 -1535 -1536 1537 -1538 1539 1540 -1541 -1542 -1543 -1544 -1545 -1546 -1547 1548 1549 1550 1551 1552 1553 -1554 1555 1556 -1557 -1558 -1559 1560 1561 1562 -1563 -1564 -1565 -1566 -1567 -1568 1569 -1570 1571 1572 -1573 -1574 1575 1576 -1577 -1578 1579 1580 1581 1582 1583 1584 
0.40/0.46	v 0 
0.40/0.46	c Done (mycputime is 0 seconds)

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-3266016-1303578387/watcher-3266016-1303578387 -o /tmp/evaluation-result-3266016-1303578387/solver-3266016-1303578387 -C 2400 -W 1300 -M 7680 shortsattime2011 HOME/instance-3266016-1303578387.cnf 1673094307 

running on 2 cores: 0,2

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 2400 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 2430 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1300 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 7864320 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 7915520 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 2.57 3.15 3.55 5/189 17309
/proc/meminfo: memFree=13892908/32950928 swapFree=67111528/67111528
[pid=17309] ppid=17307 vsize=1185584 CPUtime=0 cores=0,2
/proc/17309/stat : 17309 (shortsattime201) R 17307 17309 16147 0 -1 4194304 255 0 0 0 0 0 0 0 25 0 1 0 548069359 1214038016 199 33554432000 4194304 4230460 140737407970048 18446744073709551615 251367094666 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/17309/statm: 296396 199 100 9 0 293553 0

[startup+0.013232 s]
/proc/loadavg: 2.57 3.15 3.55 5/189 17309
/proc/meminfo: memFree=13892908/32950928 swapFree=67111528/67111528
[pid=17309] ppid=17307 vsize=1185848 CPUtime=0.01 cores=0,2
/proc/17309/stat : 17309 (shortsattime201) R 17307 17309 16147 0 -1 4194304 347 0 0 0 1 0 0 0 25 0 1 0 548069359 1214308352 291 33554432000 4194304 4230460 140737407970048 18446744073709551615 251367094666 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/17309/statm: 296462 292 100 9 0 293619 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 1185848

[startup+0.100242 s]
/proc/loadavg: 2.57 3.15 3.55 5/189 17309
/proc/meminfo: memFree=13892908/32950928 swapFree=67111528/67111528
[pid=17309] ppid=17307 vsize=1187560 CPUtime=0.09 cores=0,2
/proc/17309/stat : 17309 (shortsattime201) R 17307 17309 16147 0 -1 4202496 859 0 0 0 9 0 0 0 25 0 1 0 548069359 1216061440 802 33554432000 4194304 4230460 140737407970048 18446744073709551615 4207772 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/17309/statm: 296890 802 103 9 0 294047 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1187560

[startup+0.300205 s]
/proc/loadavg: 2.57 3.15 3.55 5/189 17309
/proc/meminfo: memFree=13892908/32950928 swapFree=67111528/67111528
[pid=17309] ppid=17307 vsize=1187560 CPUtime=0.29 cores=0,2
/proc/17309/stat : 17309 (shortsattime201) R 17307 17309 16147 0 -1 4202496 860 0 0 0 29 0 0 0 25 0 1 0 548069359 1216061440 803 33554432000 4194304 4230460 140737407970048 18446744073709551615 4207765 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/17309/statm: 296890 803 103 9 0 294047 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 1187560

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

[startup+0.40119 s]
/proc/loadavg: 2.57 3.15 3.55 5/189 17309
/proc/meminfo: memFree=13892908/32950928 swapFree=67111528/67111528
[pid=17309] ppid=17307 vsize=1187560 CPUtime=0.4 cores=0,2
/proc/17309/stat : 17309 (shortsattime201) R 17307 17309 16147 0 -1 4202496 860 0 0 0 40 0 0 0 25 0 1 0 548069359 1216061440 803 33554432000 4194304 4230460 140737407970048 18446744073709551615 4207725 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/17309/statm: 296890 803 103 9 0 294047 0
Current children cumulated CPU time (s) 0.4
Current children cumulated vsize (KiB) 1187560

Child status: 10
Real time (s): 0.4653
CPU time (s): 0.464928
CPU user time (s): 0.463929
CPU system time (s): 0.000999
CPU usage (%): 99.9201
Max. virtual memory (cumulated for all children) (KiB): 1187560

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.463929
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= 1080
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= 2
involuntary context switches= 8

runsolver used 0.001999 second user time and 0.004999 second system time

The end

Launcher Data 

Begin job on node113 at 2011-04-23 19:06:27
IDJOB=3266016
IDBENCH=85914
IDSOLVER=1566
FILE ID=node113/3266016-1303578387
RUNJOBID= node113-1303578386-17240
PBS_JOBID= 13150316
Free space on /tmp= 70768 MiB

SOLVER NAME= shortsattime2011 2011-03-02
BENCH NAME= SAT05/crafted/sorge05/QG8/iso-ukn009.shuffled-as.sat05-3632.cnf
COMMAND LINE= shortsattime2011 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3266016-1303578387/watcher-3266016-1303578387 -o /tmp/evaluation-result-3266016-1303578387/solver-3266016-1303578387 -C 2400 -W 1300 -M 7680  shortsattime2011 HOME/instance-3266016-1303578387.cnf 1673094307

TIME LIMIT= 2400 seconds
MEMORY LIMIT= 7680 MiB
NBCORE= 2

MD5SUM BENCH= 4502d767c38bfe3825eec510915dae05
RANDOM SEED=1673094307

node113.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		: 2666.846
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	: 5333.69
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		: 2666.846
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	: 5332.76
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		: 2666.846
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		: 2666.846
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		: 2666.846
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	: 5332.74
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		: 2666.846
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		: 2666.846
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		: 2666.846
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	: 5332.74
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32950928 kB
MemFree:      13893072 kB
Buffers:       1840468 kB
Cached:       16547376 kB
SwapCached:          0 kB
Active:       10605128 kB
Inactive:      7864036 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      13893072 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:           33284 kB
Writeback:          12 kB
AnonPages:       80260 kB
Mapped:          15192 kB
Slab:           524496 kB
PageTables:       5352 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS:  3808088 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= 70760 MiB
End job on node113 at 2011-04-23 19:06:27