java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrpbrk-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-12 19:59:25,344 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 19:59:25,345 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 19:59:25,359 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 19:59:25,359 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 19:59:25,360 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 19:59:25,361 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 19:59:25,362 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 19:59:25,364 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 19:59:25,365 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 19:59:25,365 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-04-12 19:59:25,382 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf [2018-04-12 19:59:25,391 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 19:59:25,392 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 19:59:25,392 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 19:59:25,393 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 19:59:25,393 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 19:59:25,393 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 19:59:25,393 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 19:59:25,393 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 19:59:25,393 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 19:59:25,393 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 19:59:25,394 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 19:59:25,394 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 19:59:25,394 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 19:59:25,394 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 19:59:25,394 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 19:59:25,394 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 19:59:25,395 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 19:59:25,395 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 19:59:25,395 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 19:59:25,395 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 19:59:25,395 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 19:59:25,395 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-12 19:59:25,426 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 19:59:25,435 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 19:59:25,438 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 19:59:25,439 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 19:59:25,440 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 19:59:25,440 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,732 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG302a28ee0 [2018-04-12 19:59:25,933 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 19:59:25,934 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 19:59:25,934 INFO L168 CDTParser]: Scanning cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,941 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 19:59:25,941 INFO L215 ultiparseSymbolTable]: [2018-04-12 19:59:25,941 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 19:59:25,941 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,942 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,942 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,942 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__ ('') in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,942 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 19:59:25,942 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,942 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____fsword_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,942 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____uint64_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,942 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__ssize_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,942 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__off_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____int8_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__register_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__timer_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____nlink_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____socklen_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__pid_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__uint in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__nlink_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,943 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__int32_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____intptr_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_short in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__dev_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____uid_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__gid_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__id_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____mode_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____u_short in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__int64_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____loff_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__fsid_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____clock_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____u_int in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__time_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__mode_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,944 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__suseconds_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____uint16_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____qaddr_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_int64_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____blksize_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__int8_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__loff_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__daddr_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____useconds_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____int64_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__ino_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__ldiv_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____key_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__ushort in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____uint8_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_quad_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,945 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____time_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____daddr_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____rlim64_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__sigset_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_int32_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__ulong in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____u_long in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____caddr_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_char in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__int16_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____dev_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,946 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____off_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__clock_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__fd_set in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____fsid_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__blksize_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_long in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____uint32_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____int16_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____ino_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____ino64_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____sigset_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,947 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__caddr_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____rlim_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_int in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_int16_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__quad_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__fd_mask in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____int32_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__div_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__size_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,948 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__clockid_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____clockid_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__uid_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____ssize_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__key_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__lldiv_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____quad_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__wchar_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____gid_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____fd_mask in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,949 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_int8_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,950 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,950 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,950 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____u_quad_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,950 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____id_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,950 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,950 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____timer_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,950 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____u_char in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,950 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____off64_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,950 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____suseconds_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,950 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,950 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____pid_t in cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:25,965 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG302a28ee0 [2018-04-12 19:59:25,968 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 19:59:25,970 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 19:59:25,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 19:59:25,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 19:59:25,976 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 19:59:25,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 07:59:25" (1/1) ... [2018-04-12 19:59:25,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59c41dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:25, skipping insertion in model container [2018-04-12 19:59:25,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 07:59:25" (1/1) ... [2018-04-12 19:59:25,995 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 19:59:26,018 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 19:59:26,158 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 19:59:26,199 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 19:59:26,205 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-12 19:59:26,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:26 WrapperNode [2018-04-12 19:59:26,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 19:59:26,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 19:59:26,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 19:59:26,243 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 19:59:26,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:26" (1/1) ... [2018-04-12 19:59:26,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:26" (1/1) ... [2018-04-12 19:59:26,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:26" (1/1) ... [2018-04-12 19:59:26,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:26" (1/1) ... [2018-04-12 19:59:26,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:26" (1/1) ... [2018-04-12 19:59:26,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:26" (1/1) ... [2018-04-12 19:59:26,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:26" (1/1) ... [2018-04-12 19:59:26,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 19:59:26,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 19:59:26,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 19:59:26,283 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 19:59:26,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:26" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 19:59:26,392 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 19:59:26,392 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 19:59:26,392 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 19:59:26,392 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 19:59:26,392 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrpbrk [2018-04-12 19:59:26,392 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 19:59:26,392 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 19:59:26,392 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 19:59:26,393 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 19:59:26,393 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 19:59:26,393 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 19:59:26,393 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 19:59:26,393 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 19:59:26,393 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 19:59:26,393 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 19:59:26,393 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 19:59:26,393 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 19:59:26,393 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 19:59:26,393 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 19:59:26,394 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 19:59:26,394 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 19:59:26,394 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 19:59:26,394 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 19:59:26,394 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 19:59:26,394 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 19:59:26,394 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 19:59:26,394 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 19:59:26,395 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 19:59:26,395 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 19:59:26,395 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 19:59:26,395 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 19:59:26,395 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 19:59:26,395 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 19:59:26,395 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 19:59:26,395 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 19:59:26,395 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 19:59:26,396 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 19:59:26,396 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 19:59:26,396 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 19:59:26,396 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 19:59:26,396 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 19:59:26,396 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 19:59:26,396 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 19:59:26,396 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 19:59:26,396 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 19:59:26,396 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 19:59:26,397 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 19:59:26,397 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 19:59:26,397 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 19:59:26,397 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 19:59:26,397 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 19:59:26,397 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 19:59:26,397 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 19:59:26,397 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 19:59:26,397 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 19:59:26,397 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 19:59:26,398 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 19:59:26,398 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 19:59:26,398 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 19:59:26,398 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 19:59:26,398 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 19:59:26,398 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 19:59:26,398 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 19:59:26,398 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 19:59:26,398 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 19:59:26,398 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 19:59:26,399 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 19:59:26,399 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 19:59:26,399 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 19:59:26,399 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 19:59:26,399 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 19:59:26,399 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 19:59:26,399 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 19:59:26,399 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 19:59:26,399 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 19:59:26,399 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 19:59:26,399 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 19:59:26,400 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 19:59:26,400 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 19:59:26,400 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 19:59:26,400 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 19:59:26,400 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 19:59:26,400 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 19:59:26,400 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 19:59:26,400 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 19:59:26,400 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 19:59:26,400 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 19:59:26,401 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 19:59:26,401 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 19:59:26,401 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 19:59:26,401 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 19:59:26,401 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 19:59:26,401 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 19:59:26,401 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 19:59:26,401 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 19:59:26,401 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 19:59:26,401 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 19:59:26,402 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 19:59:26,402 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 19:59:26,402 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 19:59:26,402 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 19:59:26,402 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 19:59:26,402 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 19:59:26,402 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 19:59:26,402 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 19:59:26,402 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 19:59:26,402 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 19:59:26,403 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 19:59:26,403 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 19:59:26,403 INFO L128 BoogieDeclarations]: Found specification of procedure cstrpbrk [2018-04-12 19:59:26,403 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 19:59:26,403 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 19:59:26,403 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 19:59:26,403 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 19:59:26,403 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 19:59:26,403 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 19:59:26,403 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 19:59:26,404 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 19:59:26,680 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 19:59:26,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 07:59:26 BoogieIcfgContainer [2018-04-12 19:59:26,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 19:59:26,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 19:59:26,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 19:59:26,683 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 19:59:26,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 07:59:25" (1/3) ... [2018-04-12 19:59:26,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27a162ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 07:59:26, skipping insertion in model container [2018-04-12 19:59:26,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:26" (2/3) ... [2018-04-12 19:59:26,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27a162ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 07:59:26, skipping insertion in model container [2018-04-12 19:59:26,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 07:59:26" (3/3) ... [2018-04-12 19:59:26,686 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:26,691 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-12 19:59:26,695 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-04-12 19:59:26,718 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 19:59:26,719 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 19:59:26,719 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 19:59:26,719 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-12 19:59:26,719 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-12 19:59:26,719 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 19:59:26,719 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 19:59:26,719 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 19:59:26,719 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 19:59:26,720 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 19:59:26,728 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2018-04-12 19:59:26,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-12 19:59:26,736 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:26,736 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:26,736 INFO L408 AbstractCegarLoop]: === Iteration 1 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:26,739 INFO L82 PathProgramCache]: Analyzing trace with hash -1596208369, now seen corresponding path program 1 times [2018-04-12 19:59:26,772 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:26,807 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:26,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:26,868 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:26,868 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 19:59:26,869 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:26,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:26,870 INFO L182 omatonBuilderFactory]: Interpolants [64#(= 1 (select |#valid| main_~nondetString1~0.base)), 61#true, 62#false, 63#(= 1 (select |#valid| |main_#t~malloc12.base|))] [2018-04-12 19:59:26,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:26,871 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 19:59:26,881 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 19:59:26,881 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 19:59:26,883 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 4 states. [2018-04-12 19:59:26,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:26,985 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2018-04-12 19:59:26,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 19:59:26,986 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-12 19:59:26,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:26,992 INFO L225 Difference]: With dead ends: 57 [2018-04-12 19:59:26,993 INFO L226 Difference]: Without dead ends: 54 [2018-04-12 19:59:26,994 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 19:59:27,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-12 19:59:27,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-04-12 19:59:27,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-12 19:59:27,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2018-04-12 19:59:27,017 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 13 [2018-04-12 19:59:27,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:27,017 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2018-04-12 19:59:27,017 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 19:59:27,018 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2018-04-12 19:59:27,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-12 19:59:27,018 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:27,018 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:27,018 INFO L408 AbstractCegarLoop]: === Iteration 2 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:27,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1596208368, now seen corresponding path program 1 times [2018-04-12 19:59:27,019 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:27,035 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:27,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:27,106 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:27,106 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 19:59:27,107 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:27,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:27,107 INFO L182 omatonBuilderFactory]: Interpolants [178#true, 179#false, 180#(<= 1 main_~length1~0), 181#(and (= main_~length1~0 (select |#length| |main_#t~malloc12.base|)) (= (select |#valid| |main_#t~malloc12.base|) 1) (= 0 |main_#t~malloc12.offset|) (<= 1 main_~length1~0)), 182#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (select |#valid| main_~nondetString1~0.base) 1) (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0)), 183#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0))] [2018-04-12 19:59:27,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:27,108 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 19:59:27,108 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 19:59:27,109 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-12 19:59:27,109 INFO L87 Difference]: Start difference. First operand 54 states and 59 transitions. Second operand 6 states. [2018-04-12 19:59:27,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:27,177 INFO L93 Difference]: Finished difference Result 53 states and 58 transitions. [2018-04-12 19:59:27,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 19:59:27,177 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-04-12 19:59:27,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:27,178 INFO L225 Difference]: With dead ends: 53 [2018-04-12 19:59:27,178 INFO L226 Difference]: Without dead ends: 53 [2018-04-12 19:59:27,179 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-04-12 19:59:27,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-04-12 19:59:27,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-04-12 19:59:27,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-12 19:59:27,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2018-04-12 19:59:27,183 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 58 transitions. Word has length 13 [2018-04-12 19:59:27,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:27,184 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 58 transitions. [2018-04-12 19:59:27,184 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 19:59:27,184 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2018-04-12 19:59:27,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 19:59:27,184 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:27,184 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:27,184 INFO L408 AbstractCegarLoop]: === Iteration 3 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:27,184 INFO L82 PathProgramCache]: Analyzing trace with hash 2057148167, now seen corresponding path program 1 times [2018-04-12 19:59:27,186 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:27,197 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:27,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:27,215 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:27,215 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 19:59:27,215 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:27,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:27,215 INFO L182 omatonBuilderFactory]: Interpolants [292#true, 293#false, 294#(= 1 (select |#valid| |main_#t~malloc13.base|)), 295#(= 1 (select |#valid| main_~nondetString2~0.base))] [2018-04-12 19:59:27,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:27,216 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 19:59:27,216 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 19:59:27,217 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 19:59:27,218 INFO L87 Difference]: Start difference. First operand 53 states and 58 transitions. Second operand 4 states. [2018-04-12 19:59:27,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:27,274 INFO L93 Difference]: Finished difference Result 52 states and 57 transitions. [2018-04-12 19:59:27,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 19:59:27,274 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-12 19:59:27,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:27,275 INFO L225 Difference]: With dead ends: 52 [2018-04-12 19:59:27,275 INFO L226 Difference]: Without dead ends: 52 [2018-04-12 19:59:27,276 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 19:59:27,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-04-12 19:59:27,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-04-12 19:59:27,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-12 19:59:27,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 57 transitions. [2018-04-12 19:59:27,279 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 57 transitions. Word has length 14 [2018-04-12 19:59:27,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:27,279 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 57 transitions. [2018-04-12 19:59:27,279 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 19:59:27,279 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2018-04-12 19:59:27,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 19:59:27,280 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:27,280 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:27,280 INFO L408 AbstractCegarLoop]: === Iteration 4 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:27,280 INFO L82 PathProgramCache]: Analyzing trace with hash 2057148168, now seen corresponding path program 1 times [2018-04-12 19:59:27,281 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:27,289 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:27,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:27,320 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:27,320 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 19:59:27,321 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:27,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:27,321 INFO L182 omatonBuilderFactory]: Interpolants [402#true, 403#false, 404#(<= 1 main_~length2~0), 405#(and (= main_~length2~0 (select |#length| |main_#t~malloc13.base|)) (<= 1 main_~length2~0) (= 0 |main_#t~malloc13.offset|)), 406#(and (= main_~nondetString2~0.offset 0) (<= 1 main_~length2~0) (= main_~length2~0 (select |#length| main_~nondetString2~0.base)))] [2018-04-12 19:59:27,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:27,321 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 19:59:27,322 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 19:59:27,322 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 19:59:27,322 INFO L87 Difference]: Start difference. First operand 52 states and 57 transitions. Second operand 5 states. [2018-04-12 19:59:27,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:27,348 INFO L93 Difference]: Finished difference Result 51 states and 56 transitions. [2018-04-12 19:59:27,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 19:59:27,348 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-12 19:59:27,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:27,348 INFO L225 Difference]: With dead ends: 51 [2018-04-12 19:59:27,348 INFO L226 Difference]: Without dead ends: 51 [2018-04-12 19:59:27,349 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-04-12 19:59:27,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-12 19:59:27,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-12 19:59:27,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-12 19:59:27,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2018-04-12 19:59:27,351 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 56 transitions. Word has length 14 [2018-04-12 19:59:27,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:27,351 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 56 transitions. [2018-04-12 19:59:27,351 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 19:59:27,351 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2018-04-12 19:59:27,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 19:59:27,352 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:27,352 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:27,352 INFO L408 AbstractCegarLoop]: === Iteration 5 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:27,352 INFO L82 PathProgramCache]: Analyzing trace with hash 880492650, now seen corresponding path program 1 times [2018-04-12 19:59:27,353 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:27,365 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:27,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:27,383 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:27,383 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 19:59:27,383 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:27,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:27,384 INFO L182 omatonBuilderFactory]: Interpolants [512#false, 513#(= 1 (select |#valid| main_~nondetString1~0.base)), 514#(= 1 (select |#valid| |cstrpbrk_#in~s1.base|)), 515#(= 1 (select |#valid| cstrpbrk_~sc1~0.base)), 511#true] [2018-04-12 19:59:27,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:27,384 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 19:59:27,384 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 19:59:27,384 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 19:59:27,385 INFO L87 Difference]: Start difference. First operand 51 states and 56 transitions. Second operand 5 states. [2018-04-12 19:59:27,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:27,436 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2018-04-12 19:59:27,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 19:59:27,436 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-04-12 19:59:27,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:27,437 INFO L225 Difference]: With dead ends: 49 [2018-04-12 19:59:27,437 INFO L226 Difference]: Without dead ends: 49 [2018-04-12 19:59:27,437 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-12 19:59:27,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-04-12 19:59:27,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-04-12 19:59:27,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-12 19:59:27,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2018-04-12 19:59:27,441 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 18 [2018-04-12 19:59:27,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:27,441 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2018-04-12 19:59:27,441 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 19:59:27,442 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2018-04-12 19:59:27,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 19:59:27,442 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:27,442 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:27,442 INFO L408 AbstractCegarLoop]: === Iteration 6 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:27,442 INFO L82 PathProgramCache]: Analyzing trace with hash 880492651, now seen corresponding path program 1 times [2018-04-12 19:59:27,443 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:27,453 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:27,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:27,511 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:27,511 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 19:59:27,512 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:27,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:27,512 INFO L182 omatonBuilderFactory]: Interpolants [616#true, 617#false, 618#(<= 1 main_~length1~0), 619#(and (= 0 |main_#t~malloc12.offset|) (<= 1 main_~length1~0)), 620#(and (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0)), 621#(and (<= (+ main_~nondetString1~0.offset 1) (select |#length| main_~nondetString1~0.base)) (= main_~nondetString1~0.offset 0)), 622#(and (= 0 |cstrpbrk_#in~s1.offset|) (<= 1 (select |#length| |cstrpbrk_#in~s1.base|))), 623#(and (= cstrpbrk_~sc1~0.offset 0) (<= 1 (select |#length| cstrpbrk_~sc1~0.base)))] [2018-04-12 19:59:27,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:27,512 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 19:59:27,512 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 19:59:27,513 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-12 19:59:27,513 INFO L87 Difference]: Start difference. First operand 49 states and 54 transitions. Second operand 8 states. [2018-04-12 19:59:27,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:27,617 INFO L93 Difference]: Finished difference Result 73 states and 82 transitions. [2018-04-12 19:59:27,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 19:59:27,618 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2018-04-12 19:59:27,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:27,620 INFO L225 Difference]: With dead ends: 73 [2018-04-12 19:59:27,620 INFO L226 Difference]: Without dead ends: 73 [2018-04-12 19:59:27,620 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-04-12 19:59:27,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-04-12 19:59:27,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 53. [2018-04-12 19:59:27,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-12 19:59:27,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 59 transitions. [2018-04-12 19:59:27,622 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 59 transitions. Word has length 18 [2018-04-12 19:59:27,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:27,623 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 59 transitions. [2018-04-12 19:59:27,623 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 19:59:27,623 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2018-04-12 19:59:27,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-12 19:59:27,623 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:27,623 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:27,623 INFO L408 AbstractCegarLoop]: === Iteration 7 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:27,624 INFO L82 PathProgramCache]: Analyzing trace with hash 1252202925, now seen corresponding path program 1 times [2018-04-12 19:59:27,624 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:27,633 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:27,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:27,665 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:27,665 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 19:59:27,665 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:27,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:27,665 INFO L182 omatonBuilderFactory]: Interpolants [758#true, 759#false, 760#(= 1 (select |#valid| main_~nondetString2~0.base)), 761#(= 1 (select |#valid| |cstrpbrk_#in~s2.base|)), 762#(= 1 (select |#valid| cstrpbrk_~s2.base)), 763#(= 1 (select |#valid| cstrpbrk_~s~0.base))] [2018-04-12 19:59:27,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:27,666 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 19:59:27,666 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 19:59:27,666 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 19:59:27,666 INFO L87 Difference]: Start difference. First operand 53 states and 59 transitions. Second operand 6 states. [2018-04-12 19:59:27,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:27,732 INFO L93 Difference]: Finished difference Result 53 states and 59 transitions. [2018-04-12 19:59:27,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 19:59:27,732 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-04-12 19:59:27,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:27,732 INFO L225 Difference]: With dead ends: 53 [2018-04-12 19:59:27,732 INFO L226 Difference]: Without dead ends: 53 [2018-04-12 19:59:27,732 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-12 19:59:27,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-04-12 19:59:27,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 50. [2018-04-12 19:59:27,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-12 19:59:27,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2018-04-12 19:59:27,734 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 23 [2018-04-12 19:59:27,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:27,735 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2018-04-12 19:59:27,735 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 19:59:27,735 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2018-04-12 19:59:27,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-12 19:59:27,735 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:27,735 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:27,735 INFO L408 AbstractCegarLoop]: === Iteration 8 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:27,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1252202926, now seen corresponding path program 1 times [2018-04-12 19:59:27,736 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:27,743 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:27,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:27,799 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:27,799 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-12 19:59:27,799 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:27,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:27,800 INFO L182 omatonBuilderFactory]: Interpolants [871#true, 872#false, 873#(<= 1 main_~length2~0), 874#(and (= main_~length2~0 (select |#length| |main_#t~malloc13.base|)) (<= 1 main_~length2~0) (= 0 |main_#t~malloc13.offset|)), 875#(and (= 0 main_~nondetString2~0.offset) (<= 1 main_~length2~0) (= main_~length2~0 (select |#length| main_~nondetString2~0.base))), 876#(and (= 0 main_~nondetString2~0.offset) (<= 1 (select |#length| main_~nondetString2~0.base))), 877#(and (<= 1 (select |#length| |cstrpbrk_#in~s2.base|)) (= 0 |cstrpbrk_#in~s2.offset|)), 878#(and (<= 1 (select |#length| cstrpbrk_~s2.base)) (= 0 cstrpbrk_~s2.offset)), 879#(and (= cstrpbrk_~s~0.offset 0) (<= 1 (select |#length| cstrpbrk_~s~0.base)))] [2018-04-12 19:59:27,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:27,800 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 19:59:27,800 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 19:59:27,801 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-04-12 19:59:27,801 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. Second operand 9 states. [2018-04-12 19:59:27,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:27,910 INFO L93 Difference]: Finished difference Result 67 states and 77 transitions. [2018-04-12 19:59:27,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 19:59:27,910 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-04-12 19:59:27,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:27,911 INFO L225 Difference]: With dead ends: 67 [2018-04-12 19:59:27,911 INFO L226 Difference]: Without dead ends: 67 [2018-04-12 19:59:27,911 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-04-12 19:59:27,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-04-12 19:59:27,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 58. [2018-04-12 19:59:27,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-04-12 19:59:27,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 66 transitions. [2018-04-12 19:59:27,915 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 66 transitions. Word has length 23 [2018-04-12 19:59:27,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:27,915 INFO L459 AbstractCegarLoop]: Abstraction has 58 states and 66 transitions. [2018-04-12 19:59:27,915 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 19:59:27,915 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2018-04-12 19:59:27,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-12 19:59:27,916 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:27,916 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:27,916 INFO L408 AbstractCegarLoop]: === Iteration 9 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:27,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1282364997, now seen corresponding path program 1 times [2018-04-12 19:59:27,917 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:27,927 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:27,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:27,947 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:27,947 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 19:59:27,947 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:27,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:27,948 INFO L182 omatonBuilderFactory]: Interpolants [1011#true, 1012#false, 1013#(not |cstrpbrk_#t~short7|)] [2018-04-12 19:59:27,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:27,948 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-12 19:59:27,948 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-12 19:59:27,948 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 19:59:27,948 INFO L87 Difference]: Start difference. First operand 58 states and 66 transitions. Second operand 3 states. [2018-04-12 19:59:27,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:27,953 INFO L93 Difference]: Finished difference Result 60 states and 68 transitions. [2018-04-12 19:59:27,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-12 19:59:27,953 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2018-04-12 19:59:27,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:27,954 INFO L225 Difference]: With dead ends: 60 [2018-04-12 19:59:27,954 INFO L226 Difference]: Without dead ends: 60 [2018-04-12 19:59:27,955 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 19:59:27,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-04-12 19:59:27,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-04-12 19:59:27,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-04-12 19:59:27,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 68 transitions. [2018-04-12 19:59:27,958 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 68 transitions. Word has length 28 [2018-04-12 19:59:27,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:27,958 INFO L459 AbstractCegarLoop]: Abstraction has 60 states and 68 transitions. [2018-04-12 19:59:27,958 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-12 19:59:27,958 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2018-04-12 19:59:27,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-12 19:59:27,959 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:27,959 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:27,959 INFO L408 AbstractCegarLoop]: === Iteration 10 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:27,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1110592865, now seen corresponding path program 1 times [2018-04-12 19:59:27,960 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:27,971 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:28,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:28,030 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:28,030 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 19:59:28,031 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:28,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:28,031 INFO L182 omatonBuilderFactory]: Interpolants [1136#(= |#valid| |old(#valid)|), 1137#(and (= (select |#valid| |main_#t~malloc12.base|) 1) (= (store |#valid| |main_#t~malloc12.base| 0) |old(#valid)|)), 1138#(and (not (= |main_#t~malloc12.base| |main_#t~malloc13.base|)) (= (store (store |#valid| |main_#t~malloc13.base| 0) |main_#t~malloc12.base| 0) |old(#valid)|)), 1139#(= |old(#valid)| (store |#valid| |main_#t~malloc13.base| 0)), 1134#true, 1135#false] [2018-04-12 19:59:28,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:28,031 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 19:59:28,031 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 19:59:28,032 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 19:59:28,032 INFO L87 Difference]: Start difference. First operand 60 states and 68 transitions. Second operand 6 states. [2018-04-12 19:59:28,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:28,130 INFO L93 Difference]: Finished difference Result 59 states and 67 transitions. [2018-04-12 19:59:28,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 19:59:28,131 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2018-04-12 19:59:28,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:28,131 INFO L225 Difference]: With dead ends: 59 [2018-04-12 19:59:28,131 INFO L226 Difference]: Without dead ends: 50 [2018-04-12 19:59:28,131 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-04-12 19:59:28,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-12 19:59:28,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-12 19:59:28,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-12 19:59:28,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2018-04-12 19:59:28,134 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 28 [2018-04-12 19:59:28,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:28,134 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2018-04-12 19:59:28,134 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 19:59:28,134 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2018-04-12 19:59:28,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-12 19:59:28,135 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:28,135 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:28,135 INFO L408 AbstractCegarLoop]: === Iteration 11 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:28,135 INFO L82 PathProgramCache]: Analyzing trace with hash 121291838, now seen corresponding path program 1 times [2018-04-12 19:59:28,136 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:28,151 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:28,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 19:59:28,289 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:28,289 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-04-12 19:59:28,289 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:28,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:28,289 INFO L182 omatonBuilderFactory]: Interpolants [1253#true, 1254#false, 1255#(and (<= 1 main_~length1~0) (<= main_~length1~0 1)), 1256#(and (= (select |#valid| |main_#t~malloc12.base|) 1) (= 0 |main_#t~malloc12.offset|) (<= 1 main_~length1~0) (<= main_~length1~0 1)), 1257#(and (= (select |#valid| main_~nondetString1~0.base) 1) (<= 1 main_~length1~0) (<= main_~length1~0 1) (= main_~nondetString1~0.offset 0)), 1258#(and (<= 1 main_~length1~0) (<= main_~length1~0 1) (not (= main_~nondetString1~0.base |main_#t~malloc13.base|)) (= main_~nondetString1~0.offset 0)), 1259#(and (<= 1 main_~length1~0) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (<= main_~length1~0 1) (= main_~nondetString1~0.offset 0)), 1260#(and (= 0 (select (select |#memory_int| main_~nondetString1~0.base) main_~nondetString1~0.offset)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (= main_~nondetString1~0.offset 0)), 1261#(= 0 (select (select |#memory_int| |cstrpbrk_#in~s1.base|) |cstrpbrk_#in~s1.offset|)), 1262#(= 0 (select (select |#memory_int| cstrpbrk_~sc1~0.base) cstrpbrk_~sc1~0.offset)), 1263#(and (= |cstrpbrk_#t~mem3| (select (select |#memory_int| cstrpbrk_~sc1~0.base) cstrpbrk_~sc1~0.offset)) (= 0 (select (select |#memory_int| cstrpbrk_~sc1~0.base) cstrpbrk_~sc1~0.offset)))] [2018-04-12 19:59:28,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 19:59:28,289 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 19:59:28,290 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 19:59:28,290 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2018-04-12 19:59:28,290 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. Second operand 11 states. [2018-04-12 19:59:28,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:28,385 INFO L93 Difference]: Finished difference Result 62 states and 68 transitions. [2018-04-12 19:59:28,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-12 19:59:28,385 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 30 [2018-04-12 19:59:28,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:28,385 INFO L225 Difference]: With dead ends: 62 [2018-04-12 19:59:28,386 INFO L226 Difference]: Without dead ends: 50 [2018-04-12 19:59:28,386 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2018-04-12 19:59:28,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-12 19:59:28,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-12 19:59:28,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-12 19:59:28,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2018-04-12 19:59:28,389 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 30 [2018-04-12 19:59:28,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:28,389 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2018-04-12 19:59:28,389 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 19:59:28,389 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2018-04-12 19:59:28,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-12 19:59:28,389 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:28,390 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:28,390 INFO L408 AbstractCegarLoop]: === Iteration 12 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:28,390 INFO L82 PathProgramCache]: Analyzing trace with hash -12721668, now seen corresponding path program 1 times [2018-04-12 19:59:28,390 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:28,403 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:28,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:28,476 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:28,476 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-04-12 19:59:28,477 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:28,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:28,477 INFO L182 omatonBuilderFactory]: Interpolants [1392#(and (= 0 main_~nondetString2~0.offset) (= (+ main_~nondetString2~0.offset main_~length2~0) 1)), 1393#(and (= main_~nondetString2~0.offset 0) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) main_~nondetString2~0.offset))), 1394#(= 0 (select (select |#memory_int| |cstrpbrk_#in~s2.base|) |cstrpbrk_#in~s2.offset|)), 1395#(= 0 (select (select |#memory_int| cstrpbrk_~s2.base) cstrpbrk_~s2.offset)), 1396#(= 0 (select (select |#memory_int| cstrpbrk_~s~0.base) cstrpbrk_~s~0.offset)), 1397#(and (= 0 (select (select |#memory_int| cstrpbrk_~s~0.base) cstrpbrk_~s~0.offset)) (= |cstrpbrk_#t~mem5| (select (select |#memory_int| cstrpbrk_~s~0.base) cstrpbrk_~s~0.offset))), 1398#(not |cstrpbrk_#t~short7|), 1388#true, 1389#false, 1390#(and (<= main_~length2~0 1) (<= 1 main_~length2~0)), 1391#(and (<= main_~length2~0 1) (<= 1 main_~length2~0) (= 0 |main_#t~malloc13.offset|))] [2018-04-12 19:59:28,477 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:28,477 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 19:59:28,477 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 19:59:28,477 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-04-12 19:59:28,478 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand 11 states. [2018-04-12 19:59:28,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:28,605 INFO L93 Difference]: Finished difference Result 77 states and 82 transitions. [2018-04-12 19:59:28,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-12 19:59:28,605 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 30 [2018-04-12 19:59:28,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:28,605 INFO L225 Difference]: With dead ends: 77 [2018-04-12 19:59:28,606 INFO L226 Difference]: Without dead ends: 77 [2018-04-12 19:59:28,606 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-04-12 19:59:28,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-04-12 19:59:28,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2018-04-12 19:59:28,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-04-12 19:59:28,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 82 transitions. [2018-04-12 19:59:28,609 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 82 transitions. Word has length 30 [2018-04-12 19:59:28,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:28,609 INFO L459 AbstractCegarLoop]: Abstraction has 75 states and 82 transitions. [2018-04-12 19:59:28,609 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 19:59:28,609 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 82 transitions. [2018-04-12 19:59:28,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-12 19:59:28,610 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:28,610 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:28,610 INFO L408 AbstractCegarLoop]: === Iteration 13 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:28,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1818160002, now seen corresponding path program 1 times [2018-04-12 19:59:28,611 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:28,621 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:28,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:28,752 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 19:59:28,752 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-12 19:59:28,752 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:28,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:28,752 INFO L182 omatonBuilderFactory]: Interpolants [1568#(and (= 0 main_~nondetString2~0.offset) (or (= 0 (select (select |#memory_int| main_~nondetString2~0.base) main_~nondetString2~0.offset)) (<= 2 (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base))))), 1569#(and (= 0 |cstrpbrk_#in~s2.offset|) (or (= 0 (select (select |#memory_int| |cstrpbrk_#in~s2.base|) |cstrpbrk_#in~s2.offset|)) (<= 2 (select |#length| |cstrpbrk_#in~s2.base|)))), 1570#(and (or (<= 2 (select |#length| cstrpbrk_~s2.base)) (= 0 (select (select |#memory_int| cstrpbrk_~s2.base) cstrpbrk_~s2.offset))) (= 0 cstrpbrk_~s2.offset)), 1571#(and (= cstrpbrk_~s~0.offset 0) (or (= 0 (select (select |#memory_int| cstrpbrk_~s~0.base) cstrpbrk_~s~0.offset)) (<= 2 (select |#length| cstrpbrk_~s~0.base)))), 1572#(and (= cstrpbrk_~s~0.offset 0) (or (<= 2 (select |#length| cstrpbrk_~s~0.base)) (and (= 0 (select (select |#memory_int| cstrpbrk_~s~0.base) cstrpbrk_~s~0.offset)) (= |cstrpbrk_#t~mem5| (select (select |#memory_int| cstrpbrk_~s~0.base) cstrpbrk_~s~0.offset))))), 1573#(and (= cstrpbrk_~s~0.offset 0) (or (not |cstrpbrk_#t~short7|) (<= 2 (select |#length| cstrpbrk_~s~0.base)))), 1574#(and (= cstrpbrk_~s~0.offset 0) (<= 2 (select |#length| cstrpbrk_~s~0.base))), 1575#(and (<= (+ cstrpbrk_~s~0.offset 1) (select |#length| cstrpbrk_~s~0.base)) (<= 1 cstrpbrk_~s~0.offset)), 1563#true, 1564#false, 1565#(<= 1 main_~length2~0), 1566#(and (= main_~length2~0 (select |#length| |main_#t~malloc13.base|)) (<= 1 main_~length2~0) (= 0 |main_#t~malloc13.offset|)), 1567#(and (= 0 main_~nondetString2~0.offset) (<= 1 main_~length2~0) (= main_~length2~0 (select |#length| main_~nondetString2~0.base)))] [2018-04-12 19:59:28,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:28,753 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 19:59:28,753 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 19:59:28,753 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-04-12 19:59:28,753 INFO L87 Difference]: Start difference. First operand 75 states and 82 transitions. Second operand 13 states. [2018-04-12 19:59:28,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:28,960 INFO L93 Difference]: Finished difference Result 103 states and 112 transitions. [2018-04-12 19:59:28,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 19:59:28,961 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 30 [2018-04-12 19:59:28,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:28,962 INFO L225 Difference]: With dead ends: 103 [2018-04-12 19:59:28,962 INFO L226 Difference]: Without dead ends: 103 [2018-04-12 19:59:28,962 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2018-04-12 19:59:28,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-04-12 19:59:28,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 82. [2018-04-12 19:59:28,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-04-12 19:59:28,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 91 transitions. [2018-04-12 19:59:28,965 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 91 transitions. Word has length 30 [2018-04-12 19:59:28,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:28,965 INFO L459 AbstractCegarLoop]: Abstraction has 82 states and 91 transitions. [2018-04-12 19:59:28,965 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 19:59:28,965 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2018-04-12 19:59:28,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-12 19:59:28,965 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:28,965 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:28,965 INFO L408 AbstractCegarLoop]: === Iteration 14 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:28,966 INFO L82 PathProgramCache]: Analyzing trace with hash 904755746, now seen corresponding path program 1 times [2018-04-12 19:59:28,966 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:28,971 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:29,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:29,036 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:29,037 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-12 19:59:29,037 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:29,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:29,037 INFO L182 omatonBuilderFactory]: Interpolants [1777#true, 1778#false, 1779#(= |cstrpbrk_#t~mem3| (select (select |#memory_int| cstrpbrk_~sc1~0.base) cstrpbrk_~sc1~0.offset)), 1780#(not (= 0 (select (select |#memory_int| cstrpbrk_~sc1~0.base) cstrpbrk_~sc1~0.offset))), 1781#(not (= 0 |cstrpbrk_#t~mem4|)), 1782#(not (= 0 cstrpbrk_~c~0)), 1783#(and (= (select (select |#memory_int| cstrpbrk_~s~0.base) cstrpbrk_~s~0.offset) |cstrpbrk_#t~mem5|) (not (= 0 cstrpbrk_~c~0))), 1784#(or (not (= (select (select |#memory_int| cstrpbrk_~s~0.base) cstrpbrk_~s~0.offset) cstrpbrk_~c~0)) |cstrpbrk_#t~short7|), 1785#(not (= (select (select |#memory_int| cstrpbrk_~s~0.base) cstrpbrk_~s~0.offset) cstrpbrk_~c~0)), 1786#(not (= |cstrpbrk_#t~mem9| cstrpbrk_~c~0))] [2018-04-12 19:59:29,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:29,037 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-12 19:59:29,037 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-12 19:59:29,037 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-04-12 19:59:29,038 INFO L87 Difference]: Start difference. First operand 82 states and 91 transitions. Second operand 10 states. [2018-04-12 19:59:29,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:29,173 INFO L93 Difference]: Finished difference Result 82 states and 87 transitions. [2018-04-12 19:59:29,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-12 19:59:29,174 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 31 [2018-04-12 19:59:29,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:29,174 INFO L225 Difference]: With dead ends: 82 [2018-04-12 19:59:29,174 INFO L226 Difference]: Without dead ends: 59 [2018-04-12 19:59:29,175 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-04-12 19:59:29,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-04-12 19:59:29,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2018-04-12 19:59:29,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-04-12 19:59:29,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 61 transitions. [2018-04-12 19:59:29,178 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 61 transitions. Word has length 31 [2018-04-12 19:59:29,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:29,178 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 61 transitions. [2018-04-12 19:59:29,178 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-12 19:59:29,178 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2018-04-12 19:59:29,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-12 19:59:29,179 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:29,179 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:29,179 INFO L408 AbstractCegarLoop]: === Iteration 15 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:29,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1006314883, now seen corresponding path program 1 times [2018-04-12 19:59:29,180 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:29,191 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:29,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:29,356 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 19:59:29,356 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-12 19:59:29,356 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:29,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:29,356 INFO L182 omatonBuilderFactory]: Interpolants [1952#(and (= 0 |cstrpbrk_#in~s1.offset|) (or (<= 2 (select |#length| |cstrpbrk_#in~s1.base|)) (= 0 (select (select |#memory_int| |cstrpbrk_#in~s1.base|) |cstrpbrk_#in~s1.offset|)))), 1953#(and (= cstrpbrk_~sc1~0.offset 0) (or (<= 2 (select |#length| cstrpbrk_~sc1~0.base)) (= 0 (select (select |#memory_int| cstrpbrk_~sc1~0.base) cstrpbrk_~sc1~0.offset)))), 1954#(and (or (<= 2 (select |#length| cstrpbrk_~sc1~0.base)) (and (= |cstrpbrk_#t~mem3| (select (select |#memory_int| cstrpbrk_~sc1~0.base) cstrpbrk_~sc1~0.offset)) (= 0 (select (select |#memory_int| cstrpbrk_~sc1~0.base) cstrpbrk_~sc1~0.offset)))) (= cstrpbrk_~sc1~0.offset 0)), 1955#(and (<= 2 (select |#length| cstrpbrk_~sc1~0.base)) (= cstrpbrk_~sc1~0.offset 0)), 1956#(and (<= (+ cstrpbrk_~sc1~0.offset 1) (select |#length| cstrpbrk_~sc1~0.base)) (<= 1 cstrpbrk_~sc1~0.offset)), 1944#true, 1945#false, 1946#(<= 1 main_~length1~0), 1947#(and (= (select |#valid| |main_#t~malloc12.base|) 1) (= 0 |main_#t~malloc12.offset|) (<= 1 main_~length1~0)), 1948#(and (or (not (= (+ main_~nondetString1~0.offset main_~length1~0) 1)) (= (select |#valid| main_~nondetString1~0.base) 1)) (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0)), 1949#(and (<= 1 main_~length1~0) (or (not (= (+ main_~nondetString1~0.offset main_~length1~0) 1)) (not (= main_~nondetString1~0.base |main_#t~malloc13.base|))) (= main_~nondetString1~0.offset 0)), 1950#(and (= 0 main_~nondetString1~0.offset) (or (not (= (+ main_~nondetString1~0.offset main_~length1~0) 1)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))) (<= 1 main_~length1~0)), 1951#(and (= 0 main_~nondetString1~0.offset) (or (and (= 0 (select (select |#memory_int| main_~nondetString1~0.base) main_~nondetString1~0.offset)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))) (<= 2 (select |#length| main_~nondetString1~0.base))))] [2018-04-12 19:59:29,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:29,356 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 19:59:29,356 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 19:59:29,356 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2018-04-12 19:59:29,357 INFO L87 Difference]: Start difference. First operand 57 states and 61 transitions. Second operand 13 states. [2018-04-12 19:59:29,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:29,586 INFO L93 Difference]: Finished difference Result 123 states and 135 transitions. [2018-04-12 19:59:29,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 19:59:29,586 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 33 [2018-04-12 19:59:29,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:29,587 INFO L225 Difference]: With dead ends: 123 [2018-04-12 19:59:29,587 INFO L226 Difference]: Without dead ends: 123 [2018-04-12 19:59:29,588 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2018-04-12 19:59:29,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-04-12 19:59:29,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 87. [2018-04-12 19:59:29,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-04-12 19:59:29,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 98 transitions. [2018-04-12 19:59:29,590 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 98 transitions. Word has length 33 [2018-04-12 19:59:29,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:29,591 INFO L459 AbstractCegarLoop]: Abstraction has 87 states and 98 transitions. [2018-04-12 19:59:29,591 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 19:59:29,591 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 98 transitions. [2018-04-12 19:59:29,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-12 19:59:29,592 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:29,592 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:29,592 INFO L408 AbstractCegarLoop]: === Iteration 16 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:29,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1684275054, now seen corresponding path program 2 times [2018-04-12 19:59:29,593 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:29,608 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:29,908 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:29,908 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 19:59:29,908 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-12 19:59:29,908 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:29,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:29,909 INFO L182 omatonBuilderFactory]: Interpolants [2183#true, 2184#false, 2185#(and (= main_~length2~0 (select |#length| |main_#t~malloc13.base|)) (= 0 |main_#t~malloc13.offset|)), 2186#(and (= 0 main_~nondetString2~0.offset) (or (= (+ main_~nondetString2~0.offset main_~length2~0) 2) (= main_~length2~0 (select |#length| main_~nondetString2~0.base)))), 2187#(and (= 0 main_~nondetString2~0.offset) (or (= 0 (select (select |#memory_int| main_~nondetString2~0.base) 1)) (<= (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base)) 1) (<= 3 (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base))))), 2188#(and (or (= 0 (select (select |#memory_int| |cstrpbrk_#in~s2.base|) 1)) (<= (select |#length| |cstrpbrk_#in~s2.base|) 1) (<= 3 (select |#length| |cstrpbrk_#in~s2.base|))) (= 0 |cstrpbrk_#in~s2.offset|)), 2189#(and (= 0 cstrpbrk_~s2.offset) (or (<= 3 (select |#length| cstrpbrk_~s2.base)) (= 0 (select (select |#memory_int| cstrpbrk_~s2.base) 1)) (<= (select |#length| cstrpbrk_~s2.base) 1))), 2190#(and (= cstrpbrk_~s~0.offset 0) (or (<= (select |#length| cstrpbrk_~s~0.base) 1) (<= 3 (select |#length| cstrpbrk_~s~0.base)) (= 0 (select (select |#memory_int| cstrpbrk_~s~0.base) 1)))), 2191#(and (<= cstrpbrk_~s~0.offset 1) (or (<= (select |#length| cstrpbrk_~s~0.base) cstrpbrk_~s~0.offset) (= 0 (select (select |#memory_int| cstrpbrk_~s~0.base) cstrpbrk_~s~0.offset)) (<= (+ cstrpbrk_~s~0.offset 2) (select |#length| cstrpbrk_~s~0.base))) (< 0 cstrpbrk_~s~0.offset)), 2192#(and (or (<= (+ cstrpbrk_~s~0.offset 2) (select |#length| cstrpbrk_~s~0.base)) (and (= 0 (select (select |#memory_int| cstrpbrk_~s~0.base) cstrpbrk_~s~0.offset)) (= |cstrpbrk_#t~mem5| (select (select |#memory_int| cstrpbrk_~s~0.base) cstrpbrk_~s~0.offset)))) (<= cstrpbrk_~s~0.offset 1) (< 0 cstrpbrk_~s~0.offset)), 2193#(and (or (not |cstrpbrk_#t~short7|) (<= (+ cstrpbrk_~s~0.offset 2) (select |#length| cstrpbrk_~s~0.base))) (<= cstrpbrk_~s~0.offset 1) (< 0 cstrpbrk_~s~0.offset)), 2194#(and (<= (+ cstrpbrk_~s~0.offset 2) (select |#length| cstrpbrk_~s~0.base)) (<= cstrpbrk_~s~0.offset 1) (< 0 cstrpbrk_~s~0.offset)), 2195#(and (<= (+ cstrpbrk_~s~0.offset 1) (select |#length| cstrpbrk_~s~0.base)) (<= 2 cstrpbrk_~s~0.offset))] [2018-04-12 19:59:29,909 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:29,909 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 19:59:29,909 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 19:59:29,910 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-04-12 19:59:29,910 INFO L87 Difference]: Start difference. First operand 87 states and 98 transitions. Second operand 13 states. [2018-04-12 19:59:30,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:30,224 INFO L93 Difference]: Finished difference Result 140 states and 154 transitions. [2018-04-12 19:59:30,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 19:59:30,224 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 37 [2018-04-12 19:59:30,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:30,225 INFO L225 Difference]: With dead ends: 140 [2018-04-12 19:59:30,225 INFO L226 Difference]: Without dead ends: 138 [2018-04-12 19:59:30,225 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2018-04-12 19:59:30,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-04-12 19:59:30,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 101. [2018-04-12 19:59:30,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-04-12 19:59:30,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 114 transitions. [2018-04-12 19:59:30,228 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 114 transitions. Word has length 37 [2018-04-12 19:59:30,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:30,228 INFO L459 AbstractCegarLoop]: Abstraction has 101 states and 114 transitions. [2018-04-12 19:59:30,228 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 19:59:30,228 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 114 transitions. [2018-04-12 19:59:30,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-12 19:59:30,229 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:30,229 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:30,229 INFO L408 AbstractCegarLoop]: === Iteration 17 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:30,229 INFO L82 PathProgramCache]: Analyzing trace with hash -880810370, now seen corresponding path program 3 times [2018-04-12 19:59:30,229 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:30,237 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:30,363 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-12 19:59:30,363 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 19:59:30,363 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-12 19:59:30,364 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:30,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:30,364 INFO L182 omatonBuilderFactory]: Interpolants [2464#(or (and (<= (+ cstrpbrk_~s~0.offset 2) (select |#length| cstrpbrk_~s~0.base)) (<= 0 cstrpbrk_~s~0.offset)) (and (= 0 (select (select |#memory_int| cstrpbrk_~s~0.base) cstrpbrk_~s~0.offset)) (= |cstrpbrk_#t~mem5| (select (select |#memory_int| cstrpbrk_~s~0.base) cstrpbrk_~s~0.offset)))), 2465#(or (and (<= (+ cstrpbrk_~s~0.offset 2) (select |#length| cstrpbrk_~s~0.base)) (<= 0 cstrpbrk_~s~0.offset)) (not |cstrpbrk_#t~short7|)), 2466#(and (<= (+ cstrpbrk_~s~0.offset 2) (select |#length| cstrpbrk_~s~0.base)) (<= 0 cstrpbrk_~s~0.offset)), 2467#(and (<= (+ cstrpbrk_~s~0.offset 1) (select |#length| cstrpbrk_~s~0.base)) (<= 1 cstrpbrk_~s~0.offset)), 2455#true, 2456#false, 2457#(and (= main_~length2~0 (select |#length| |main_#t~malloc13.base|)) (= 0 |main_#t~malloc13.offset|)), 2458#(and (= main_~nondetString2~0.offset 0) (= main_~length2~0 (select |#length| main_~nondetString2~0.base))), 2459#(and (= main_~nondetString2~0.offset 0) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ (select |#length| main_~nondetString2~0.base) (+ main_~nondetString2~0.offset (- 1)))))), 2460#(= 0 (select (select |#memory_int| |cstrpbrk_#in~s2.base|) (+ (select |#length| |cstrpbrk_#in~s2.base|) (- 1)))), 2461#(= 0 (select (select |#memory_int| cstrpbrk_~s2.base) (+ (select |#length| cstrpbrk_~s2.base) (- 1)))), 2462#(= 0 (select (select |#memory_int| cstrpbrk_~s~0.base) (+ (select |#length| cstrpbrk_~s~0.base) (- 1)))), 2463#(or (<= (select |#length| cstrpbrk_~s~0.base) cstrpbrk_~s~0.offset) (= 0 (select (select |#memory_int| cstrpbrk_~s~0.base) cstrpbrk_~s~0.offset)) (<= (+ cstrpbrk_~s~0.offset 2) (select |#length| cstrpbrk_~s~0.base)))] [2018-04-12 19:59:30,364 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-12 19:59:30,364 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 19:59:30,364 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 19:59:30,364 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2018-04-12 19:59:30,364 INFO L87 Difference]: Start difference. First operand 101 states and 114 transitions. Second operand 13 states. [2018-04-12 19:59:30,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:30,610 INFO L93 Difference]: Finished difference Result 111 states and 120 transitions. [2018-04-12 19:59:30,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-12 19:59:30,610 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 44 [2018-04-12 19:59:30,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:30,611 INFO L225 Difference]: With dead ends: 111 [2018-04-12 19:59:30,611 INFO L226 Difference]: Without dead ends: 109 [2018-04-12 19:59:30,611 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2018-04-12 19:59:30,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-04-12 19:59:30,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 52. [2018-04-12 19:59:30,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-12 19:59:30,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2018-04-12 19:59:30,614 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 44 [2018-04-12 19:59:30,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:30,614 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2018-04-12 19:59:30,614 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 19:59:30,614 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2018-04-12 19:59:30,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-12 19:59:30,615 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:30,615 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:30,615 INFO L408 AbstractCegarLoop]: === Iteration 18 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:30,615 INFO L82 PathProgramCache]: Analyzing trace with hash 918606443, now seen corresponding path program 2 times [2018-04-12 19:59:30,616 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:30,633 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:30,907 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:30,907 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 19:59:30,907 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-12 19:59:30,907 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:30,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:30,908 INFO L182 omatonBuilderFactory]: Interpolants [2656#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (select |#valid| main_~nondetString1~0.base) 1) (= main_~nondetString1~0.offset 0)), 2657#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (not (= main_~nondetString1~0.base |main_#t~malloc13.base|)) (= main_~nondetString1~0.offset 0)), 2658#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (= main_~nondetString1~0.offset 0)), 2659#(and (or (<= 3 (+ main_~nondetString1~0.offset (select |#length| main_~nondetString1~0.base))) (<= (+ main_~nondetString1~0.offset (select |#length| main_~nondetString1~0.base)) 1) (and (= 0 (select (select |#memory_int| main_~nondetString1~0.base) 1)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)))) (= main_~nondetString1~0.offset 0)), 2660#(and (= 0 |cstrpbrk_#in~s1.offset|) (or (= 0 (select (select |#memory_int| |cstrpbrk_#in~s1.base|) 1)) (<= 3 (select |#length| |cstrpbrk_#in~s1.base|)) (<= (select |#length| |cstrpbrk_#in~s1.base|) 1))), 2661#(and (= cstrpbrk_~sc1~0.offset 0) (or (<= 3 (select |#length| cstrpbrk_~sc1~0.base)) (<= (select |#length| cstrpbrk_~sc1~0.base) 1) (= 0 (select (select |#memory_int| cstrpbrk_~sc1~0.base) 1)))), 2662#(and (or (<= (+ cstrpbrk_~sc1~0.offset 2) (select |#length| cstrpbrk_~sc1~0.base)) (= 0 (select (select |#memory_int| cstrpbrk_~sc1~0.base) cstrpbrk_~sc1~0.offset)) (<= (select |#length| cstrpbrk_~sc1~0.base) cstrpbrk_~sc1~0.offset)) (<= cstrpbrk_~sc1~0.offset 1) (<= 1 cstrpbrk_~sc1~0.offset)), 2663#(and (<= cstrpbrk_~sc1~0.offset 1) (<= 1 cstrpbrk_~sc1~0.offset) (or (<= (+ cstrpbrk_~sc1~0.offset 2) (select |#length| cstrpbrk_~sc1~0.base)) (and (= |cstrpbrk_#t~mem3| (select (select |#memory_int| cstrpbrk_~sc1~0.base) cstrpbrk_~sc1~0.offset)) (= 0 (select (select |#memory_int| cstrpbrk_~sc1~0.base) cstrpbrk_~sc1~0.offset))))), 2664#(and (<= (+ cstrpbrk_~sc1~0.offset 2) (select |#length| cstrpbrk_~sc1~0.base)) (<= cstrpbrk_~sc1~0.offset 1) (<= 1 cstrpbrk_~sc1~0.offset)), 2665#(and (<= 2 cstrpbrk_~sc1~0.offset) (<= (+ cstrpbrk_~sc1~0.offset 1) (select |#length| cstrpbrk_~sc1~0.base))), 2653#true, 2654#false, 2655#(and (= main_~length1~0 (select |#length| |main_#t~malloc12.base|)) (= (select |#valid| |main_#t~malloc12.base|) 1) (= 0 |main_#t~malloc12.offset|))] [2018-04-12 19:59:30,908 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:30,908 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 19:59:30,908 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 19:59:30,908 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2018-04-12 19:59:30,908 INFO L87 Difference]: Start difference. First operand 52 states and 54 transitions. Second operand 13 states. [2018-04-12 19:59:31,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:31,145 INFO L93 Difference]: Finished difference Result 78 states and 82 transitions. [2018-04-12 19:59:31,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 19:59:31,145 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 48 [2018-04-12 19:59:31,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:31,145 INFO L225 Difference]: With dead ends: 78 [2018-04-12 19:59:31,145 INFO L226 Difference]: Without dead ends: 78 [2018-04-12 19:59:31,145 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=382, Unknown=0, NotChecked=0, Total=462 [2018-04-12 19:59:31,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-04-12 19:59:31,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 67. [2018-04-12 19:59:31,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-04-12 19:59:31,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 70 transitions. [2018-04-12 19:59:31,147 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 70 transitions. Word has length 48 [2018-04-12 19:59:31,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:31,148 INFO L459 AbstractCegarLoop]: Abstraction has 67 states and 70 transitions. [2018-04-12 19:59:31,148 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 19:59:31,148 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2018-04-12 19:59:31,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-04-12 19:59:31,148 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:31,149 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:31,149 INFO L408 AbstractCegarLoop]: === Iteration 19 === [cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:31,149 INFO L82 PathProgramCache]: Analyzing trace with hash 156516541, now seen corresponding path program 3 times [2018-04-12 19:59:31,149 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:31,168 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:31,543 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 1 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 19:59:31,543 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 19:59:31,543 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-12 19:59:31,543 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:31,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:31,543 INFO L182 omatonBuilderFactory]: Interpolants [2848#(or (and (not (= (select (select |#memory_int| cstrpbrk_~sc1~0.base) cstrpbrk_~sc1~0.offset) (select (select |#memory_int| cstrpbrk_~s~0.base) cstrpbrk_~s~0.offset))) (= cstrpbrk_~c~0 (select (select |#memory_int| cstrpbrk_~sc1~0.base) cstrpbrk_~sc1~0.offset))) (and (<= (+ cstrpbrk_~sc1~0.offset 2) (select |#length| cstrpbrk_~sc1~0.base)) (<= 0 cstrpbrk_~sc1~0.offset))), 2849#(or (and (<= (+ cstrpbrk_~sc1~0.offset 2) (select |#length| cstrpbrk_~sc1~0.base)) (<= 0 cstrpbrk_~sc1~0.offset)) (not (= cstrpbrk_~c~0 |cstrpbrk_#t~mem9|))), 2850#(and (<= (+ cstrpbrk_~sc1~0.offset 2) (select |#length| cstrpbrk_~sc1~0.base)) (<= 0 cstrpbrk_~sc1~0.offset)), 2851#(and (<= (+ cstrpbrk_~sc1~0.offset 1) (select |#length| cstrpbrk_~sc1~0.base)) (<= 1 cstrpbrk_~sc1~0.offset)), 2829#true, 2830#false, 2831#(and (= main_~length1~0 (select |#length| |main_#t~malloc12.base|)) (= (select |#valid| |main_#t~malloc12.base|) 1) (= 0 |main_#t~malloc12.offset|)), 2832#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (select |#valid| main_~nondetString1~0.base) 1) (= main_~nondetString1~0.offset 0)), 2833#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (not (= main_~nondetString1~0.base |main_#t~malloc13.base|)) (= main_~nondetString1~0.offset 0)), 2834#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (= main_~nondetString1~0.offset 0)), 2835#(and (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (= 0 (select (select |#memory_int| main_~nondetString1~0.base) (+ (select |#length| main_~nondetString1~0.base) (+ main_~nondetString1~0.offset (- 1))))) (= main_~nondetString1~0.offset 0)), 2836#(= 0 (select (select |#memory_int| |cstrpbrk_#in~s1.base|) (+ (select |#length| |cstrpbrk_#in~s1.base|) (- 1)))), 2837#(= 0 (select (select |#memory_int| cstrpbrk_~sc1~0.base) (+ (select |#length| cstrpbrk_~sc1~0.base) (- 1)))), 2838#(and (= |cstrpbrk_#t~mem3| (select (select |#memory_int| cstrpbrk_~sc1~0.base) cstrpbrk_~sc1~0.offset)) (= 0 (select (select |#memory_int| cstrpbrk_~sc1~0.base) (+ (select |#length| cstrpbrk_~sc1~0.base) (- 1))))), 2839#(and (= cstrpbrk_~s~0.base cstrpbrk_~s2.base) (= cstrpbrk_~s~0.offset cstrpbrk_~s2.offset) (not (= (select (select |#memory_int| cstrpbrk_~sc1~0.base) (+ (select |#length| cstrpbrk_~sc1~0.base) (- 1))) (select (select |#memory_int| cstrpbrk_~sc1~0.base) cstrpbrk_~sc1~0.offset)))), 2840#(and (= cstrpbrk_~s~0.base cstrpbrk_~s2.base) (= cstrpbrk_~s~0.offset cstrpbrk_~s2.offset) (not (= (select (select |#memory_int| cstrpbrk_~sc1~0.base) (+ (select |#length| cstrpbrk_~sc1~0.base) (- 1))) |cstrpbrk_#t~mem4|))), 2841#(and (= cstrpbrk_~s~0.base cstrpbrk_~s2.base) (= cstrpbrk_~s~0.offset cstrpbrk_~s2.offset) (not (= (select (select |#memory_int| cstrpbrk_~sc1~0.base) (+ (select |#length| cstrpbrk_~sc1~0.base) (- 1))) cstrpbrk_~c~0))), 2842#(and (= |cstrpbrk_#t~mem9| (select (select |#memory_int| cstrpbrk_~s2.base) cstrpbrk_~s2.offset)) (not (= (select (select |#memory_int| cstrpbrk_~sc1~0.base) (+ (select |#length| cstrpbrk_~sc1~0.base) (- 1))) cstrpbrk_~c~0))), 2843#(not (= (select (select |#memory_int| cstrpbrk_~sc1~0.base) (+ (select |#length| cstrpbrk_~sc1~0.base) (- 1))) (select (select |#memory_int| cstrpbrk_~s2.base) cstrpbrk_~s2.offset))), 2844#(or (<= (+ cstrpbrk_~sc1~0.offset 2) (select |#length| cstrpbrk_~sc1~0.base)) (not (= (select (select |#memory_int| cstrpbrk_~sc1~0.base) cstrpbrk_~sc1~0.offset) (select (select |#memory_int| cstrpbrk_~s2.base) cstrpbrk_~s2.offset))) (<= (select |#length| cstrpbrk_~sc1~0.base) cstrpbrk_~sc1~0.offset)), 2845#(or (not (= (select (select |#memory_int| cstrpbrk_~sc1~0.base) cstrpbrk_~sc1~0.offset) (select (select |#memory_int| cstrpbrk_~s2.base) cstrpbrk_~s2.offset))) (and (<= (+ cstrpbrk_~sc1~0.offset 2) (select |#length| cstrpbrk_~sc1~0.base)) (<= 0 cstrpbrk_~sc1~0.offset))), 2846#(or (not (= (select (select |#memory_int| cstrpbrk_~sc1~0.base) cstrpbrk_~sc1~0.offset) (select (select |#memory_int| cstrpbrk_~s~0.base) cstrpbrk_~s~0.offset))) (and (<= (+ cstrpbrk_~sc1~0.offset 2) (select |#length| cstrpbrk_~sc1~0.base)) (<= 0 cstrpbrk_~sc1~0.offset))), 2847#(or (and (not (= (select (select |#memory_int| cstrpbrk_~sc1~0.base) cstrpbrk_~sc1~0.offset) (select (select |#memory_int| cstrpbrk_~s~0.base) cstrpbrk_~s~0.offset))) (= |cstrpbrk_#t~mem4| (select (select |#memory_int| cstrpbrk_~sc1~0.base) cstrpbrk_~sc1~0.offset))) (and (<= (+ cstrpbrk_~sc1~0.offset 2) (select |#length| cstrpbrk_~sc1~0.base)) (<= 0 cstrpbrk_~sc1~0.offset)))] [2018-04-12 19:59:31,543 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 1 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 19:59:31,544 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-12 19:59:31,544 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-12 19:59:31,544 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2018-04-12 19:59:31,544 INFO L87 Difference]: Start difference. First operand 67 states and 70 transitions. Second operand 23 states. [2018-04-12 19:59:32,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:32,369 INFO L93 Difference]: Finished difference Result 156 states and 166 transitions. [2018-04-12 19:59:32,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-12 19:59:32,369 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 63 [2018-04-12 19:59:32,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:32,370 INFO L225 Difference]: With dead ends: 156 [2018-04-12 19:59:32,370 INFO L226 Difference]: Without dead ends: 0 [2018-04-12 19:59:32,370 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 405 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=508, Invalid=2144, Unknown=0, NotChecked=0, Total=2652 [2018-04-12 19:59:32,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-12 19:59:32,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-12 19:59:32,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-12 19:59:32,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-12 19:59:32,371 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2018-04-12 19:59:32,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:32,371 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-12 19:59:32,371 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-12 19:59:32,371 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-12 19:59:32,371 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-12 19:59:32,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 07:59:32 BoogieIcfgContainer [2018-04-12 19:59:32,374 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 19:59:32,374 INFO L168 Benchmark]: Toolchain (without parser) took 6405.61 ms. Allocated memory was 383.3 MB in the beginning and 692.1 MB in the end (delta: 308.8 MB). Free memory was 319.9 MB in the beginning and 554.7 MB in the end (delta: -234.8 MB). Peak memory consumption was 74.0 MB. Max. memory is 5.3 GB. [2018-04-12 19:59:32,375 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 383.3 MB. Free memory is still 346.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 19:59:32,376 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.84 ms. Allocated memory is still 383.3 MB. Free memory was 318.6 MB in the beginning and 294.8 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. [2018-04-12 19:59:32,376 INFO L168 Benchmark]: Boogie Preprocessor took 40.32 ms. Allocated memory is still 383.3 MB. Free memory was 294.8 MB in the beginning and 293.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-04-12 19:59:32,376 INFO L168 Benchmark]: RCFGBuilder took 397.32 ms. Allocated memory was 383.3 MB in the beginning and 564.1 MB in the end (delta: 180.9 MB). Free memory was 292.1 MB in the beginning and 497.9 MB in the end (delta: -205.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 5.3 GB. [2018-04-12 19:59:32,377 INFO L168 Benchmark]: TraceAbstraction took 5693.07 ms. Allocated memory was 564.1 MB in the beginning and 692.1 MB in the end (delta: 127.9 MB). Free memory was 497.9 MB in the beginning and 554.7 MB in the end (delta: -56.9 MB). Peak memory consumption was 71.1 MB. Max. memory is 5.3 GB. [2018-04-12 19:59:32,379 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 383.3 MB. Free memory is still 346.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 271.84 ms. Allocated memory is still 383.3 MB. Free memory was 318.6 MB in the beginning and 294.8 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 40.32 ms. Allocated memory is still 383.3 MB. Free memory was 294.8 MB in the beginning and 293.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 397.32 ms. Allocated memory was 383.3 MB in the beginning and 564.1 MB in the end (delta: 180.9 MB). Free memory was 292.1 MB in the beginning and 497.9 MB in the end (delta: -205.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 5693.07 ms. Allocated memory was 564.1 MB in the beginning and 692.1 MB in the end (delta: 127.9 MB). Free memory was 497.9 MB in the beginning and 554.7 MB in the end (delta: -56.9 MB). Peak memory consumption was 71.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 566]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 566]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 64 locations, 15 error locations. SAFE Result, 5.6s OverallTime, 19 OverallIterations, 4 TraceHistogramMax, 3.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 714 SDtfs, 1385 SDslu, 2251 SDs, 0 SdLazy, 2400 SolverSat, 184 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 289 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 249 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 789 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 18/120 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 19 MinimizatonAttempts, 198 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 538 NumberOfCodeBlocks, 538 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 519 ConstructedInterpolants, 0 QuantifiedInterpolants, 176643 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 13 PerfectInterpolantSequences, 18/120 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_19-59-32-387.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_19-59-32-387.csv Received shutdown request...