Bug report

When analyzing code like this:
$sql = sprintf('UPDATE {{%loans}} SET field=1');
i get
Warning: sprintf(): Too few arguments in /var/www/html/vendor/phpstan/phpstan/src/Type/Php/SprintfFunctionDynamicReturnTypeExtension.php on line 39
in console during progress run

/var/www/html # vendor/bin/phpstan analyze --memory-limit=2G -c phpstan.neon

Warning: sprintf(): Too few arguments in /var/www/html/vendor/phpstan/phpstan/src/Type/Php/SprintfFunctionDynamicReturnTypeExtension.php on line 39
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Code snippet that reproduces the problem

$sql = sprintf('UPDATE {{%loans}} SET field=1');

PHPStan - PHP Static Analysis Tool 0.11.12

parameters:
    level: max
    reportMagicProperties: false
    autoload_files:
        - %rootDir%/../../yiisoft/yii2/Yii.php

PHP 7.1.30 (cli) (built: Jun 18 2019 00:54:58) ( NTS )

Expected output

without warnings