INFO:Detectors: Pragma version "^0.4.23" allows old versions (tests/solc_version_incorrect.sol#2) Pragma version ">=0.4.0<0.6.0" allows old versions (tests/solc_version_incorrect.sol#3) Reference: https://github.com/crytic/slither/wiki/Detector-Documentation#incorrect-version-of-solidity INFO:Slither:tests/solc_version_incorrect.sol analyzed (1 contracts), 2 result(s) found