hikaru@desktop:/tmp/spectre/spectre-attack-demo-master$ ./spectre spectre.c 
Reading 100 bytes:
Reading at malicious_x = 0xffffffffffdff868... Unclear: 0xED=??? score=999 (second best: 0xDF score=999)
Reading at malicious_x = 0xffffffffffdff869... Unclear: 0xFE=??? score=999 (second best: 0xFD score=999)
Reading at malicious_x = 0xffffffffffdff86a... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff86b... Unclear: 0xF9=??? score=999 (second best: 0xF7 score=999)
Reading at malicious_x = 0xffffffffffdff86c... Unclear: 0xFD=??? score=999 (second best: 0xFC score=999)
Reading at malicious_x = 0xffffffffffdff86d... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff86e... Unclear: 0xFF=??? score=999 (second best: 0xFC score=999)
Reading at malicious_x = 0xffffffffffdff86f... Unclear: 0xFE=??? score=999 (second best: 0xFD score=999)
Reading at malicious_x = 0xffffffffffdff870... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff871... Unclear: 0xFD=??? score=999 (second best: 0xFC score=999)
Reading at malicious_x = 0xffffffffffdff872... Unclear: 0xFD=??? score=999 (second best: 0xFC score=999)
Reading at malicious_x = 0xffffffffffdff873... Unclear: 0xFE=??? score=999 (second best: 0xFD score=999)
Reading at malicious_x = 0xffffffffffdff874... Unclear: 0xFD=??? score=999 (second best: 0xFC score=999)
Reading at malicious_x = 0xffffffffffdff875... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff876... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff877... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff878... Unclear: 0xFF=??? score=999 (second best: 0xFD score=999)
Reading at malicious_x = 0xffffffffffdff879... Unclear: 0xFE=??? score=999 (second best: 0xFC score=999)
Reading at malicious_x = 0xffffffffffdff87a... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff87b... Unclear: 0xFF=??? score=999 (second best: 0xFD score=999)
Reading at malicious_x = 0xffffffffffdff87c... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff87d... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff87e... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff87f... Unclear: 0xFF=??? score=999 (second best: 0xFD score=999)
Reading at malicious_x = 0xffffffffffdff880... Unclear: 0xFE=??? score=999 (second best: 0xFD score=999)
Reading at malicious_x = 0xffffffffffdff881... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff882... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff883... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff884... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff885... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff886... Unclear: 0xFE=??? score=999 (second best: 0xFD score=999)
Reading at malicious_x = 0xffffffffffdff887... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff888... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff889... Unclear: 0xFF=??? score=999 (second best: 0xFD score=999)
Reading at malicious_x = 0xffffffffffdff88a... Unclear: 0xFE=??? score=999 (second best: 0xFC score=999)
Reading at malicious_x = 0xffffffffffdff88b... Unclear: 0xFE=??? score=999 (second best: 0xFD score=999)
Reading at malicious_x = 0xffffffffffdff88c... Unclear: 0xFE=??? score=999 (second best: 0xFD score=999)
Reading at malicious_x = 0xffffffffffdff88d... Unclear: 0xFE=??? score=999 (second best: 0xFD score=999)
Reading at malicious_x = 0xffffffffffdff88e... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff88f... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff890... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff891... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff892... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff893... Unclear: 0xFD=??? score=999 (second best: 0xFC score=999)
Reading at malicious_x = 0xffffffffffdff894... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff895... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff896... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff897... Unclear: 0xFF=??? score=999 (second best: 0xFD score=999)
Reading at malicious_x = 0xffffffffffdff898... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff899... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff89a... Unclear: 0xFE=??? score=999 (second best: 0xFD score=999)
Reading at malicious_x = 0xffffffffffdff89b... Unclear: 0xFE=??? score=999 (second best: 0xFC score=999)
Reading at malicious_x = 0xffffffffffdff89c... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff89d... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff89e... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff89f... Unclear: 0xFF=??? score=999 (second best: 0xFD score=999)
Reading at malicious_x = 0xffffffffffdff8a0... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff8a1... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff8a2... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff8a3... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff8a4... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff8a5... Unclear: 0xFF=??? score=999 (second best: 0xFD score=999)
Reading at malicious_x = 0xffffffffffdff8a6... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff8a7... Unclear: 0xFD=??? score=999 (second best: 0xFC score=999)
Reading at malicious_x = 0xffffffffffdff8a8... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff8a9... Unclear: 0xFD=??? score=999 (second best: 0xFC score=999)
Reading at malicious_x = 0xffffffffffdff8aa... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff8ab... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff8ac... Unclear: 0xFF=??? score=999 (second best: 0xFD score=999)
Reading at malicious_x = 0xffffffffffdff8ad... Unclear: 0xFC=??? score=999 (second best: 0xF9 score=999)
Reading at malicious_x = 0xffffffffffdff8ae... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff8af... Unclear: 0xFD=??? score=999 (second best: 0xFC score=999)
Reading at malicious_x = 0xffffffffffdff8b0... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff8b1... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff8b2... Unclear: 0xFF=??? score=999 (second best: 0xFD score=999)
Reading at malicious_x = 0xffffffffffdff8b3... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff8b4... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff8b5... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff8b6... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff8b7... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff8b8... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff8b9... Unclear: 0xFF=??? score=999 (second best: 0xFC score=999)
Reading at malicious_x = 0xffffffffffdff8ba... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff8bb... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff8bc... Unclear: 0xFE=??? score=999 (second best: 0xFD score=999)
Reading at malicious_x = 0xffffffffffdff8bd... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff8be... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff8bf... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff8c0... Unclear: 0xFE=??? score=999 (second best: 0xFC score=999)
Reading at malicious_x = 0xffffffffffdff8c1... Unclear: 0xFD=??? score=999 (second best: 0xFC score=999)
Reading at malicious_x = 0xffffffffffdff8c2... Unclear: 0xFE=??? score=999 (second best: 0xFC score=999)
Reading at malicious_x = 0xffffffffffdff8c3... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff8c4... Unclear: 0xFB=??? score=999 (second best: 0xF9 score=999)
Reading at malicious_x = 0xffffffffffdff8c5... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff8c6... Unclear: 0xFF=??? score=999 (second best: 0xFD score=999)
Reading at malicious_x = 0xffffffffffdff8c7... Unclear: 0xFD=??? score=999 (second best: 0xFC score=999)
Reading at malicious_x = 0xffffffffffdff8c8... Unclear: 0xFE=??? score=999 (second best: 0xFD score=999)
Reading at malicious_x = 0xffffffffffdff8c9... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)
Reading at malicious_x = 0xffffffffffdff8ca... Unclear: 0xFD=??? score=999 (second best: 0xFC score=999)
Reading at malicious_x = 0xffffffffffdff8cb... Unclear: 0xFF=??? score=999 (second best: 0xFE score=999)