Trace number 3494956

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
OptimuS a100_sourceUNSAT 1.27981 1.28074

General information on the benchmark

Namemus/marques-silva/
atpg/ssa2670-140.cnf
MD5SUMd3fc5dc0bd9079817cfd35d259259325
Bench CategoryMUS (MUS)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.285955
Satisfiable
(Un)Satisfiability was proved
Number of variables1327
Number of clauses3201
Sum of the clauses size7397
Maximum clause length5
Minimum clause length1
Number of clauses of size 14
Number of clauses of size 22406
Number of clauses of size 3603
Number of clauses of size 4168
Number of clauses of size 520
Number of clauses of size over 50

Solver Data 

1.19/1.28	c - Reading the instance.. OK! Totally clauses:     3201; Vars:     1327; Time: 0.00
1.19/1.28	c - Unit propagation..     OK! Removed clauses:      101;                 Time: 0.00
1.19/1.28	c - Delete by resolution.. OK! Removed clauses:     1341;                 Time: 0.01
1.19/1.28	c   - Solving the original instance..
1.19/1.28	c     - OK - UNSAT! Continue to clause elimination..
1.19/1.28	c   - round:    1;   Skips in previous round:    0
1.19/1.28	c     - clauses done:  1%; among them skipped: 0.00%;
1.19/1.28	c     - clauses done: 10%; among them skipped: 0.00%;
1.19/1.28	c     - clauses done: 20%; among them skipped: 0.00%;
1.19/1.28	c     - clauses done: 30%; among them skipped: 0.00%;
1.19/1.28	c     - clauses done: 40%; among them skipped: 0.00%;
1.19/1.28	c     - clauses done: 50%; among them skipped: 0.00%;
1.19/1.28	c     - clauses done: 60%; among them skipped: 0.00%;
1.19/1.28	c     - clauses done: 70%; among them skipped: 0.00%;
1.19/1.28	c     - clauses done: 80%; among them skipped: 0.00%;
1.19/1.28	c     - clauses done: 90%; among them skipped: 0.00%;
1.19/1.28	c     - clauses done: 99%; among them skipped: 0.00%;
1.19/1.28	c - Finish! Unsat core size: 1245 / 3201; Time: 1.27 s
1.19/1.28	c - ---------------------------------------------------------------------------
1.19/1.28	c - Statistics: |    unit   |    BCE    | sat-saved | sat-check | unsat-check |
1.19/1.28	c -             |     101   |    1602   |       0   |    1245   |     253     |
1.19/1.28	c - ---------------------------------------------------------------------------
1.19/1.28	s UNSATISFIABLE
1.19/1.28	v 4 52 53 58 60 63 64 65 66 67 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 86 88 90 92 94 96 98 100 101 102 104 105 106 107 108 109 110 111 112 113 114 116 117 119 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 142 336 337 366 367 368 369 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 584 585 586 587 588 589 590 591 592 593 594 595 598 599 604 605 615 616 617 618 619 620 621 622 623 624 626 628 630 632 634 636 638 640 641 642 643 644 645 647 648 649 650 651 652 653 654 655 657 658 660 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 745 746 748 749 750 751 752 754 756 757 760 761 762 763 764 765 772 773 774 775 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2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2615 2625 2626 2628 2638 2639 2640 2642 2643 2653 2663 2664 2665 2666 2667 2669 2670 2671 2672 2673 2675 2676 2677 2678 2679 2680 2681 2683 2684 2686 2687 2689 2690 2691 2692 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2709 2710 2713 2714 2715 2716 2717 2719 2720 2722 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744 2745 2746 2747 2748 2749 2750 2751 2752 2753 2754 2755 2756 2757 2758 2760 2761 2762 2763 2764 2765 2766 3014 3031 3032 3033 3038 3039 3055 3071 3072 3073 3075 3081 3082 3088 3089 3095 3101 3102 3103 3104 3105 3106 3107 3108 3109 3110 3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3184 3185 3186 3187 3188 3189 3190 3191 3192 3193 3194 3195 3196 3197 3198 0

Verifier Data 

OK	1245

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.1 (svn: 988)

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-3494956-1307808555/watcher-3494956-1307808555 -o /tmp/evaluation-result-3494956-1307808555/solver-3494956-1307808555 -C 1800 -W 1850 -M 7680 OptimuS_release HOME/instance-3494956-1307808555.cnf 

running on 2 cores: 5,7

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1850 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: 3.29 3.53 3.63 5/189 22251
/proc/meminfo: memFree=29309868/32951124 swapFree=67056964/67111528
[pid=22251] ppid=22249 vsize=20348 CPUtime=0 cores=5,7
/proc/22251/stat : 22251 (OptimuS_release) R 22249 22251 19995 0 -1 4202496 678 0 0 0 0 0 0 0 25 0 1 0 873271389 20836352 606 33554432000 4194304 4279335 140737266675920 18446744073709551615 4210773 0 0 4096 8388610 0 0 0 17 5 0 0 0
/proc/22251/statm: 5087 606 249 21 0 1724 0

[startup+0.051953 s]
/proc/loadavg: 3.29 3.53 3.63 5/189 22251
/proc/meminfo: memFree=29309868/32951124 swapFree=67056964/67111528
[pid=22251] ppid=22249 vsize=20348 CPUtime=0.04 cores=5,7
/proc/22251/stat : 22251 (OptimuS_release) R 22249 22251 19995 0 -1 4202496 785 0 0 0 4 0 0 0 25 0 1 0 873271389 20836352 713 33554432000 4194304 4279335 140737266675920 18446744073709551615 4237725 0 0 4096 8388610 0 0 0 17 5 0 0 0
/proc/22251/statm: 5087 713 269 21 0 1724 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 20348

[startup+0.100947 s]
/proc/loadavg: 3.29 3.53 3.63 5/189 22251
/proc/meminfo: memFree=29309868/32951124 swapFree=67056964/67111528
[pid=22251] ppid=22249 vsize=20348 CPUtime=0.09 cores=5,7
/proc/22251/stat : 22251 (OptimuS_release) R 22249 22251 19995 0 -1 4202496 821 0 0 0 9 0 0 0 25 0 1 0 873271389 20836352 749 33554432000 4194304 4279335 140737266675920 18446744073709551615 4242207 0 0 4096 8388610 0 0 0 17 5 0 0 0
/proc/22251/statm: 5087 749 269 21 0 1724 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 20348

[startup+0.30091 s]
/proc/loadavg: 3.29 3.53 3.63 5/189 22251
/proc/meminfo: memFree=29309868/32951124 swapFree=67056964/67111528
[pid=22251] ppid=22249 vsize=20608 CPUtime=0.29 cores=5,7
/proc/22251/stat : 22251 (OptimuS_release) R 22249 22251 19995 0 -1 4202496 936 0 0 0 29 0 0 0 25 0 1 0 873271389 21102592 863 33554432000 4194304 4279335 140737266675920 18446744073709551615 4242197 0 0 4096 8388610 0 0 0 17 5 0 0 0
/proc/22251/statm: 5152 863 269 21 0 1789 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 20608

[startup+0.700835 s]
/proc/loadavg: 3.29 3.53 3.63 5/189 22251
/proc/meminfo: memFree=29309868/32951124 swapFree=67056964/67111528
[pid=22251] ppid=22249 vsize=20740 CPUtime=0.69 cores=5,7
/proc/22251/stat : 22251 (OptimuS_release) R 22249 22251 19995 0 -1 4202496 1104 0 0 0 69 0 0 0 25 0 1 0 873271389 21237760 1031 33554432000 4194304 4279335 140737266675920 18446744073709551615 4242187 0 0 4096 8388610 0 0 0 17 5 0 0 0
/proc/22251/statm: 5185 1031 269 21 0 1822 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 20740

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

[startup+1.10676 s]
/proc/loadavg: 3.29 3.53 3.63 5/190 22252
/proc/meminfo: memFree=29306660/32951124 swapFree=67056964/67111528
[pid=22251] ppid=22249 vsize=17532 CPUtime=1.1 cores=5,7
/proc/22251/stat : 22251 (OptimuS_release) R 22249 22251 19995 0 -1 4202496 1376 0 0 0 110 0 0 0 25 0 1 0 873271389 17952768 908 33554432000 4194304 4279335 140737266675920 18446744073709551615 4237912 0 0 4096 8388610 0 0 0 17 5 0 0 0
/proc/22251/statm: 4383 908 270 21 0 1020 0
Current children cumulated CPU time (s) 1.1
Current children cumulated vsize (KiB) 17532

[startup+1.20074 s]
/proc/loadavg: 3.29 3.53 3.63 5/190 22252
/proc/meminfo: memFree=29306660/32951124 swapFree=67056964/67111528
[pid=22251] ppid=22249 vsize=17532 CPUtime=1.19 cores=5,7
/proc/22251/stat : 22251 (OptimuS_release) R 22249 22251 19995 0 -1 4202496 1447 0 0 0 119 0 0 0 25 0 1 0 873271389 17952768 979 33554432000 4194304 4279335 140737266675920 18446744073709551615 4241896 0 0 4096 8388610 0 0 0 17 5 0 0 0
/proc/22251/statm: 4383 979 270 21 0 1020 0
Current children cumulated CPU time (s) 1.19
Current children cumulated vsize (KiB) 17532

Child status: 20
Real time (s): 1.28074
CPU time (s): 1.27981
CPU user time (s): 1.27581
CPU system time (s): 0.003999
CPU usage (%): 99.9268
Max. virtual memory (cumulated for all children) (KiB): 20872

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.27581
system time used= 0.003999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1524
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= 4
involuntary context switches= 6

runsolver used 0.000999 second user time and 0.011998 second system time

The end

Launcher Data 

Begin job on node145 at 2011-06-11 18:09:15
IDJOB=3494956
IDBENCH=89327
IDSOLVER=1986
FILE ID=node145/3494956-1307808555
RUNJOBID= node145-1307808507-21928
PBS_JOBID= 13551003
Free space on /tmp= 73968 MiB

SOLVER NAME= OptimuS a100_source
BENCH NAME= SAT11/mus/marques-silva/atpg/ssa2670-140.cnf
COMMAND LINE= OptimuS_release BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3494956-1307808555/watcher-3494956-1307808555 -o /tmp/evaluation-result-3494956-1307808555/solver-3494956-1307808555 -C 1800 -W 1850 -M 7680  OptimuS_release HOME/instance-3494956-1307808555.cnf

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 7680 MiB
NBCORE= 2

MD5SUM BENCH= d3fc5dc0bd9079817cfd35d259259325
RANDOM SEED=1007255667

node145.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		: 2666.786
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	: 5333.57
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		: 2666.786
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		: 2666.786
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		: 2666.786
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	: 5332.83
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		: 2666.786
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	: 5332.82
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		: 2666.786
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	: 5332.74
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		: 2666.786
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	: 5332.84
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		: 2666.786
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	: 5332.77
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      29310644 kB
Buffers:        179104 kB
Cached:         996140 kB
SwapCached:       7976 kB
Active:        2789120 kB
Inactive:       697804 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      29310644 kB
SwapTotal:    67111528 kB
SwapFree:     67056964 kB
Dirty:          125696 kB
Writeback:           4 kB
AnonPages:     2309224 kB
Mapped:          13668 kB
Slab:            83280 kB
PageTables:       9868 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:  2777072 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= 73968 MiB
End job on node145 at 2011-06-11 18:09:17