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/openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-12 20:12:25,819 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 20:12:25,820 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 20:12:25,832 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 20:12:25,832 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 20:12:25,833 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 20:12:25,834 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 20:12:25,835 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 20:12:25,837 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 20:12:25,837 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 20:12:25,838 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 20:12:25,839 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 20:12:25,839 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 20:12:25,840 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 20:12:25,841 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 20:12:25,843 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 20:12:25,844 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 20:12:25,846 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 20:12:25,847 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 20:12:25,848 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 20:12:25,849 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-12 20:12:25,855 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 20:12:25,864 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 20:12:25,864 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 20:12:25,865 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 20:12:25,865 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 20:12:25,865 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 20:12:25,866 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 20:12:25,866 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 20:12:25,866 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 20:12:25,866 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 20:12:25,866 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 20:12:25,866 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 20:12:25,866 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 20:12:25,866 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 20:12:25,866 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 20:12:25,866 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 20:12:25,867 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 20:12:25,867 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 20:12:25,867 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 20:12:25,867 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 20:12:25,867 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 20:12:25,867 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 20:12:25,867 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 20:12:25,893 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 20:12:25,901 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 20:12:25,903 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 20:12:25,904 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 20:12:25,905 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 20:12:25,905 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,205 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG22d55dbb3 [2018-04-12 20:12:26,356 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 20:12:26,357 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 20:12:26,358 INFO L168 CDTParser]: Scanning openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,366 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 20:12:26,367 INFO L215 ultiparseSymbolTable]: [2018-04-12 20:12:26,367 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 20:12:26,367 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,367 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,367 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,367 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp ('cstrcmp') in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,368 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 20:12:26,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,369 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,369 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,369 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,369 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,369 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,369 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,369 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,369 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,369 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,369 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,370 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,370 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,370 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,370 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,370 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,370 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,370 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,370 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,370 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,370 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,370 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,371 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,371 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,371 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,371 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,371 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,371 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,371 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,371 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,371 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,371 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,371 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,371 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,371 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,371 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,371 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,372 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,372 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,372 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,372 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,372 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,372 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,372 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,372 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,372 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,372 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,372 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,372 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,372 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,372 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,372 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,372 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,372 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,372 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,372 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,373 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,373 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,373 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,373 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,373 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,373 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,373 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,373 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,373 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,373 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,373 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,373 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,373 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,373 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,373 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,373 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,373 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,373 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,374 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,374 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,374 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,374 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,374 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,374 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,374 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,374 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,374 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,374 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,374 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,375 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,375 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,375 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,375 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,375 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,375 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,375 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,375 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,375 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,375 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,375 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,376 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,376 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,376 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,376 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,376 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,376 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,376 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,376 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,376 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,376 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,377 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,377 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,377 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,377 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,377 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,377 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,377 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:26,390 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG22d55dbb3 [2018-04-12 20:12:26,393 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 20:12:26,395 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 20:12:26,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 20:12:26,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 20:12:26,401 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 20:12:26,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 08:12:26" (1/1) ... [2018-04-12 20:12:26,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63431bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:12:26, skipping insertion in model container [2018-04-12 20:12:26,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 08:12:26" (1/1) ... [2018-04-12 20:12:26,416 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 20:12:26,438 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 20:12:26,568 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 20:12:26,599 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 20:12:26,605 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-12 20:12:26,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:12:26 WrapperNode [2018-04-12 20:12:26,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 20:12:26,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 20:12:26,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 20:12:26,642 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 20:12:26,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:12:26" (1/1) ... [2018-04-12 20:12:26,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:12:26" (1/1) ... [2018-04-12 20:12:26,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:12:26" (1/1) ... [2018-04-12 20:12:26,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:12:26" (1/1) ... [2018-04-12 20:12:26,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:12:26" (1/1) ... [2018-04-12 20:12:26,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:12:26" (1/1) ... [2018-04-12 20:12:26,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:12:26" (1/1) ... [2018-04-12 20:12:26,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 20:12:26,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 20:12:26,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 20:12:26,680 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 20:12:26,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:12:26" (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 20:12:26,779 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 20:12:26,779 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 20:12:26,779 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 20:12:26,779 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 20:12:26,779 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp [2018-04-12 20:12:26,780 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 20:12:26,780 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 20:12:26,780 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 20:12:26,780 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 20:12:26,780 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 20:12:26,780 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 20:12:26,780 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 20:12:26,780 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 20:12:26,780 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 20:12:26,781 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 20:12:26,781 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 20:12:26,781 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 20:12:26,781 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 20:12:26,781 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 20:12:26,781 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 20:12:26,781 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 20:12:26,781 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 20:12:26,781 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 20:12:26,782 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 20:12:26,782 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 20:12:26,782 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 20:12:26,782 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 20:12:26,782 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 20:12:26,782 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 20:12:26,782 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 20:12:26,782 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 20:12:26,782 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 20:12:26,783 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 20:12:26,783 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 20:12:26,783 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 20:12:26,783 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 20:12:26,783 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 20:12:26,783 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 20:12:26,783 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 20:12:26,783 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 20:12:26,783 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 20:12:26,783 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 20:12:26,784 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 20:12:26,784 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 20:12:26,784 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 20:12:26,784 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 20:12:26,784 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 20:12:26,784 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 20:12:26,784 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 20:12:26,784 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 20:12:26,784 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 20:12:26,785 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 20:12:26,785 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 20:12:26,785 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 20:12:26,785 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 20:12:26,785 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 20:12:26,785 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 20:12:26,785 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 20:12:26,785 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 20:12:26,785 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 20:12:26,785 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 20:12:26,786 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 20:12:26,786 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 20:12:26,786 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 20:12:26,786 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 20:12:26,786 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 20:12:26,786 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 20:12:26,786 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 20:12:26,786 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 20:12:26,786 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 20:12:26,787 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 20:12:26,787 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 20:12:26,787 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 20:12:26,787 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 20:12:26,787 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 20:12:26,787 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 20:12:26,787 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 20:12:26,787 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 20:12:26,787 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 20:12:26,787 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 20:12:26,788 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 20:12:26,788 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 20:12:26,788 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 20:12:26,788 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 20:12:26,788 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 20:12:26,788 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 20:12:26,788 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 20:12:26,788 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 20:12:26,789 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 20:12:26,789 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 20:12:26,789 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 20:12:26,789 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 20:12:26,789 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 20:12:26,789 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 20:12:26,789 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 20:12:26,789 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 20:12:26,789 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 20:12:26,789 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 20:12:26,790 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 20:12:26,790 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 20:12:26,790 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 20:12:26,790 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 20:12:26,790 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 20:12:26,790 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 20:12:26,790 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 20:12:26,790 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 20:12:26,791 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 20:12:26,791 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 20:12:26,791 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 20:12:26,791 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp [2018-04-12 20:12:26,791 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 20:12:26,791 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 20:12:26,791 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 20:12:26,791 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 20:12:26,791 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 20:12:26,791 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 20:12:26,792 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 20:12:26,792 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 20:12:27,087 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 20:12:27,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 08:12:27 BoogieIcfgContainer [2018-04-12 20:12:27,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 20:12:27,089 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 20:12:27,089 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 20:12:27,091 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 20:12:27,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 08:12:26" (1/3) ... [2018-04-12 20:12:27,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@338d8740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 08:12:27, skipping insertion in model container [2018-04-12 20:12:27,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 08:12:26" (2/3) ... [2018-04-12 20:12:27,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@338d8740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 08:12:27, skipping insertion in model container [2018-04-12 20:12:27,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 08:12:27" (3/3) ... [2018-04-12 20:12:27,094 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-12 20:12:27,102 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-12 20:12:27,109 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-04-12 20:12:27,140 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 20:12:27,140 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 20:12:27,140 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 20:12:27,140 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-12 20:12:27,140 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-12 20:12:27,140 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 20:12:27,141 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 20:12:27,141 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 20:12:27,141 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 20:12:27,141 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 20:12:27,149 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2018-04-12 20:12:27,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-12 20:12:27,154 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:27,155 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:12:27,155 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-04-12 20:12:27,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1034793114, now seen corresponding path program 1 times [2018-04-12 20:12:27,190 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:27,232 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:27,306 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 20:12:27,309 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:12:27,309 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 20:12:27,310 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:27,310 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 20:12:27,310 INFO L182 omatonBuilderFactory]: Interpolants [56#true, 57#false, 58#(= 1 (select |#valid| |main_#t~malloc12.base|)), 59#(= 1 (select |#valid| main_~nondetString1~0.base))] [2018-04-12 20:12:27,311 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 20:12:27,312 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 20:12:27,321 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 20:12:27,321 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 20:12:27,323 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 4 states. [2018-04-12 20:12:27,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:27,384 INFO L93 Difference]: Finished difference Result 52 states and 55 transitions. [2018-04-12 20:12:27,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 20:12:27,386 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-12 20:12:27,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:27,393 INFO L225 Difference]: With dead ends: 52 [2018-04-12 20:12:27,393 INFO L226 Difference]: Without dead ends: 49 [2018-04-12 20:12:27,395 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 20:12:27,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-04-12 20:12:27,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-04-12 20:12:27,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-12 20:12:27,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 52 transitions. [2018-04-12 20:12:27,419 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 52 transitions. Word has length 13 [2018-04-12 20:12:27,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:27,419 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 52 transitions. [2018-04-12 20:12:27,419 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 20:12:27,419 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2018-04-12 20:12:27,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-12 20:12:27,420 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:27,420 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:12:27,420 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-04-12 20:12:27,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1034793115, now seen corresponding path program 1 times [2018-04-12 20:12:27,421 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:27,437 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:27,493 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 20:12:27,494 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:12:27,494 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 20:12:27,494 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:27,494 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 20:12:27,494 INFO L182 omatonBuilderFactory]: Interpolants [163#true, 164#false, 165#(<= 1 main_~length1~0), 166#(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)), 167#(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)), 168#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0))] [2018-04-12 20:12:27,494 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 20:12:27,495 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 20:12:27,495 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 20:12:27,496 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-12 20:12:27,496 INFO L87 Difference]: Start difference. First operand 49 states and 52 transitions. Second operand 6 states. [2018-04-12 20:12:27,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:27,546 INFO L93 Difference]: Finished difference Result 48 states and 51 transitions. [2018-04-12 20:12:27,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 20:12:27,547 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-04-12 20:12:27,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:27,547 INFO L225 Difference]: With dead ends: 48 [2018-04-12 20:12:27,548 INFO L226 Difference]: Without dead ends: 48 [2018-04-12 20:12:27,548 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 20:12:27,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-04-12 20:12:27,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-04-12 20:12:27,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-04-12 20:12:27,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 51 transitions. [2018-04-12 20:12:27,552 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 51 transitions. Word has length 13 [2018-04-12 20:12:27,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:27,553 INFO L459 AbstractCegarLoop]: Abstraction has 48 states and 51 transitions. [2018-04-12 20:12:27,553 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 20:12:27,553 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 51 transitions. [2018-04-12 20:12:27,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 20:12:27,553 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:27,554 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:12:27,554 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-04-12 20:12:27,554 INFO L82 PathProgramCache]: Analyzing trace with hash 2013815454, now seen corresponding path program 1 times [2018-04-12 20:12:27,555 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:27,565 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:27,589 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 20:12:27,590 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:12:27,590 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 20:12:27,590 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:27,590 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 20:12:27,590 INFO L182 omatonBuilderFactory]: Interpolants [267#true, 268#false, 269#(= 1 (select |#valid| |main_#t~malloc13.base|)), 270#(= 1 (select |#valid| main_~nondetString2~0.base))] [2018-04-12 20:12:27,591 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 20:12:27,591 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 20:12:27,591 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 20:12:27,591 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 20:12:27,591 INFO L87 Difference]: Start difference. First operand 48 states and 51 transitions. Second operand 4 states. [2018-04-12 20:12:27,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:27,638 INFO L93 Difference]: Finished difference Result 47 states and 50 transitions. [2018-04-12 20:12:27,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 20:12:27,638 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-12 20:12:27,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:27,638 INFO L225 Difference]: With dead ends: 47 [2018-04-12 20:12:27,639 INFO L226 Difference]: Without dead ends: 47 [2018-04-12 20:12:27,639 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 20:12:27,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-04-12 20:12:27,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-04-12 20:12:27,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-04-12 20:12:27,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 50 transitions. [2018-04-12 20:12:27,644 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 50 transitions. Word has length 14 [2018-04-12 20:12:27,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:27,644 INFO L459 AbstractCegarLoop]: Abstraction has 47 states and 50 transitions. [2018-04-12 20:12:27,644 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 20:12:27,644 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2018-04-12 20:12:27,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 20:12:27,645 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:27,645 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:12:27,645 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-04-12 20:12:27,645 INFO L82 PathProgramCache]: Analyzing trace with hash 2013815455, now seen corresponding path program 1 times [2018-04-12 20:12:27,646 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:27,656 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:27,689 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 20:12:27,689 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:12:27,689 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 20:12:27,689 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:27,690 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 20:12:27,690 INFO L182 omatonBuilderFactory]: Interpolants [368#false, 369#(<= 1 main_~length2~0), 370#(and (= main_~length2~0 (select |#length| |main_#t~malloc13.base|)) (<= 1 main_~length2~0) (= 0 |main_#t~malloc13.offset|)), 371#(and (= main_~nondetString2~0.offset 0) (<= 1 main_~length2~0) (= main_~length2~0 (select |#length| main_~nondetString2~0.base))), 367#true] [2018-04-12 20:12:27,690 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 20:12:27,690 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 20:12:27,690 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 20:12:27,690 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 20:12:27,691 INFO L87 Difference]: Start difference. First operand 47 states and 50 transitions. Second operand 5 states. [2018-04-12 20:12:27,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:27,721 INFO L93 Difference]: Finished difference Result 46 states and 49 transitions. [2018-04-12 20:12:27,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 20:12:27,721 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-12 20:12:27,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:27,722 INFO L225 Difference]: With dead ends: 46 [2018-04-12 20:12:27,722 INFO L226 Difference]: Without dead ends: 46 [2018-04-12 20:12:27,722 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 20:12:27,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-04-12 20:12:27,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-04-12 20:12:27,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-04-12 20:12:27,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 49 transitions. [2018-04-12 20:12:27,725 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 49 transitions. Word has length 14 [2018-04-12 20:12:27,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:27,726 INFO L459 AbstractCegarLoop]: Abstraction has 46 states and 49 transitions. [2018-04-12 20:12:27,726 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 20:12:27,726 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2018-04-12 20:12:27,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 20:12:27,726 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:27,727 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 20:12:27,727 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-04-12 20:12:27,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1580249804, now seen corresponding path program 1 times [2018-04-12 20:12:27,728 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:27,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:27,738 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:27,762 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 20:12:27,763 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:12:27,763 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 20:12:27,763 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:27,763 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 20:12:27,763 INFO L182 omatonBuilderFactory]: Interpolants [466#true, 467#false, 468#(= 1 (select |#valid| main_~nondetString1~0.base)), 469#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s1.base|)), 470#(= 1 (select |#valid| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base))] [2018-04-12 20:12:27,763 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 20:12:27,763 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 20:12:27,763 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 20:12:27,764 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 20:12:27,764 INFO L87 Difference]: Start difference. First operand 46 states and 49 transitions. Second operand 5 states. [2018-04-12 20:12:27,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:27,801 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2018-04-12 20:12:27,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 20:12:27,801 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-04-12 20:12:27,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:27,801 INFO L225 Difference]: With dead ends: 44 [2018-04-12 20:12:27,801 INFO L226 Difference]: Without dead ends: 44 [2018-04-12 20:12:27,802 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 20:12:27,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-04-12 20:12:27,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-04-12 20:12:27,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-04-12 20:12:27,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2018-04-12 20:12:27,804 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 18 [2018-04-12 20:12:27,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:27,804 INFO L459 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2018-04-12 20:12:27,804 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 20:12:27,804 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2018-04-12 20:12:27,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 20:12:27,804 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:27,804 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 20:12:27,804 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-04-12 20:12:27,804 INFO L82 PathProgramCache]: Analyzing trace with hash -1580249803, now seen corresponding path program 1 times [2018-04-12 20:12:27,805 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:27,814 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:27,860 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 20:12:27,860 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:12:27,861 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 20:12:27,861 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:27,861 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 20:12:27,861 INFO L182 omatonBuilderFactory]: Interpolants [561#true, 562#false, 563#(<= 1 main_~length1~0), 564#(and (= 0 |main_#t~malloc12.offset|) (<= 1 main_~length1~0)), 565#(and (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0)), 566#(and (<= (+ main_~nondetString1~0.offset 1) (select |#length| main_~nondetString1~0.base)) (= main_~nondetString1~0.offset 0)), 567#(and (<= 1 (select |#length| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s1.base|)) (= 0 |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s1.offset|)), 568#(and (= __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset 0) (<= 1 (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base)))] [2018-04-12 20:12:27,861 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 20:12:27,861 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 20:12:27,862 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 20:12:27,862 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-12 20:12:27,862 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand 8 states. [2018-04-12 20:12:27,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:27,954 INFO L93 Difference]: Finished difference Result 59 states and 63 transitions. [2018-04-12 20:12:27,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 20:12:27,954 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2018-04-12 20:12:27,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:27,956 INFO L225 Difference]: With dead ends: 59 [2018-04-12 20:12:27,956 INFO L226 Difference]: Without dead ends: 59 [2018-04-12 20:12:27,957 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 20:12:27,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-04-12 20:12:27,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 50. [2018-04-12 20:12:27,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-12 20:12:27,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2018-04-12 20:12:27,959 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 18 [2018-04-12 20:12:27,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:27,959 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2018-04-12 20:12:27,959 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 20:12:27,959 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2018-04-12 20:12:27,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-12 20:12:27,960 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:27,960 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] [2018-04-12 20:12:27,960 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-04-12 20:12:27,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1798361525, now seen corresponding path program 1 times [2018-04-12 20:12:27,960 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:27,974 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:28,002 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 20:12:28,002 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:12:28,002 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 20:12:28,002 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:28,003 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 20:12:28,003 INFO L182 omatonBuilderFactory]: Interpolants [688#(= 1 (select |#valid| main_~nondetString2~0.base)), 689#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s2.base|)), 690#(= 1 (select |#valid| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base)), 691#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.base|)), 686#true, 687#false] [2018-04-12 20:12:28,003 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 20:12:28,003 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 20:12:28,003 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 20:12:28,003 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 20:12:28,003 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. Second operand 6 states. [2018-04-12 20:12:28,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:28,050 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2018-04-12 20:12:28,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 20:12:28,050 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2018-04-12 20:12:28,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:28,050 INFO L225 Difference]: With dead ends: 49 [2018-04-12 20:12:28,050 INFO L226 Difference]: Without dead ends: 49 [2018-04-12 20:12:28,051 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 20:12:28,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-04-12 20:12:28,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-04-12 20:12:28,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-12 20:12:28,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2018-04-12 20:12:28,053 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 20 [2018-04-12 20:12:28,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:28,053 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2018-04-12 20:12:28,053 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 20:12:28,053 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2018-04-12 20:12:28,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-12 20:12:28,053 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:28,053 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] [2018-04-12 20:12:28,053 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-04-12 20:12:28,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1798361526, now seen corresponding path program 1 times [2018-04-12 20:12:28,054 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:28,063 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:28,149 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 20:12:28,149 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:12:28,149 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-12 20:12:28,149 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:28,150 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 20:12:28,150 INFO L182 omatonBuilderFactory]: Interpolants [800#(and (<= 1 (select |#length| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s2.base|)) (= 0 |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s2.offset|)), 801#(and (<= 1 (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base)) (= 0 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset)), 802#(and (= |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.offset| 0) (<= 1 (select |#length| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.base|))), 794#true, 795#false, 796#(<= 1 main_~length2~0), 797#(and (= main_~length2~0 (select |#length| |main_#t~malloc13.base|)) (<= 1 main_~length2~0) (= 0 |main_#t~malloc13.offset|)), 798#(and (= 0 main_~nondetString2~0.offset) (<= 1 main_~length2~0) (= main_~length2~0 (select |#length| main_~nondetString2~0.base))), 799#(and (= 0 main_~nondetString2~0.offset) (<= 1 (select |#length| main_~nondetString2~0.base)))] [2018-04-12 20:12:28,150 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 20:12:28,150 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 20:12:28,150 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 20:12:28,151 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-04-12 20:12:28,151 INFO L87 Difference]: Start difference. First operand 49 states and 54 transitions. Second operand 9 states. [2018-04-12 20:12:28,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:28,237 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2018-04-12 20:12:28,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 20:12:28,237 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2018-04-12 20:12:28,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:28,237 INFO L225 Difference]: With dead ends: 49 [2018-04-12 20:12:28,237 INFO L226 Difference]: Without dead ends: 49 [2018-04-12 20:12:28,238 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-04-12 20:12:28,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-04-12 20:12:28,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-04-12 20:12:28,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-12 20:12:28,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2018-04-12 20:12:28,241 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 20 [2018-04-12 20:12:28,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:28,241 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2018-04-12 20:12:28,242 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 20:12:28,242 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2018-04-12 20:12:28,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-12 20:12:28,242 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:28,242 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] [2018-04-12 20:12:28,242 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-04-12 20:12:28,243 INFO L82 PathProgramCache]: Analyzing trace with hash 1648573174, now seen corresponding path program 1 times [2018-04-12 20:12:28,243 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:28,253 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:28,274 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 20:12:28,275 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:12:28,275 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 20:12:28,275 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:28,275 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 20:12:28,275 INFO L182 omatonBuilderFactory]: Interpolants [912#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post5.base|)), 907#true, 908#false, 909#(= 1 (select |#valid| main_~nondetString1~0.base)), 910#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s1.base|)), 911#(= 1 (select |#valid| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base))] [2018-04-12 20:12:28,275 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 20:12:28,275 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 20:12:28,275 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 20:12:28,276 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 20:12:28,276 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand 6 states. [2018-04-12 20:12:28,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:28,319 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2018-04-12 20:12:28,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 20:12:28,319 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-04-12 20:12:28,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:28,320 INFO L225 Difference]: With dead ends: 48 [2018-04-12 20:12:28,320 INFO L226 Difference]: Without dead ends: 48 [2018-04-12 20:12:28,320 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 20:12:28,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-04-12 20:12:28,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-04-12 20:12:28,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-04-12 20:12:28,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 52 transitions. [2018-04-12 20:12:28,323 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 52 transitions. Word has length 22 [2018-04-12 20:12:28,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:28,323 INFO L459 AbstractCegarLoop]: Abstraction has 48 states and 52 transitions. [2018-04-12 20:12:28,323 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 20:12:28,324 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2018-04-12 20:12:28,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-12 20:12:28,324 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:28,324 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] [2018-04-12 20:12:28,324 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-04-12 20:12:28,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1648573175, now seen corresponding path program 1 times [2018-04-12 20:12:28,325 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:28,333 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:28,398 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 20:12:28,398 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:12:28,398 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 20:12:28,398 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:28,399 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 20:12:28,399 INFO L182 omatonBuilderFactory]: Interpolants [1013#true, 1014#false, 1015#(= 0 |main_#t~malloc12.offset|), 1016#(= 0 main_~nondetString1~0.offset), 1017#(= 0 |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s1.offset|), 1018#(= 0 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset), 1019#(and (= 0 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset) (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base))), 1020#(and (<= 1 (select |#length| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post5.base|)) (= |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post5.offset| 0))] [2018-04-12 20:12:28,399 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 20:12:28,399 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 20:12:28,399 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 20:12:28,399 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-04-12 20:12:28,399 INFO L87 Difference]: Start difference. First operand 48 states and 52 transitions. Second operand 8 states. [2018-04-12 20:12:28,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:28,480 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2018-04-12 20:12:28,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 20:12:28,480 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2018-04-12 20:12:28,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:28,481 INFO L225 Difference]: With dead ends: 57 [2018-04-12 20:12:28,481 INFO L226 Difference]: Without dead ends: 57 [2018-04-12 20:12:28,481 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-04-12 20:12:28,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-04-12 20:12:28,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 49. [2018-04-12 20:12:28,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-12 20:12:28,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2018-04-12 20:12:28,484 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 22 [2018-04-12 20:12:28,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:28,485 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2018-04-12 20:12:28,485 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 20:12:28,485 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2018-04-12 20:12:28,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-12 20:12:28,485 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:28,486 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] [2018-04-12 20:12:28,486 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-04-12 20:12:28,486 INFO L82 PathProgramCache]: Analyzing trace with hash -564160893, now seen corresponding path program 1 times [2018-04-12 20:12:28,487 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:28,494 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:28,525 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 20:12:28,525 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:12:28,525 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 20:12:28,525 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:28,526 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 20:12:28,526 INFO L182 omatonBuilderFactory]: Interpolants [1136#false, 1137#(= 1 (select |#valid| main_~nondetString2~0.base)), 1138#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s2.base|)), 1139#(= 1 (select |#valid| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base)), 1140#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~pre7.base|)), 1135#true] [2018-04-12 20:12:28,526 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 20:12:28,526 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 20:12:28,526 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 20:12:28,526 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 20:12:28,527 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand 6 states. [2018-04-12 20:12:28,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:28,575 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2018-04-12 20:12:28,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 20:12:28,575 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-04-12 20:12:28,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:28,576 INFO L225 Difference]: With dead ends: 48 [2018-04-12 20:12:28,576 INFO L226 Difference]: Without dead ends: 48 [2018-04-12 20:12:28,577 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 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 20:12:28,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-04-12 20:12:28,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-04-12 20:12:28,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-04-12 20:12:28,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 52 transitions. [2018-04-12 20:12:28,580 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 52 transitions. Word has length 24 [2018-04-12 20:12:28,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:28,580 INFO L459 AbstractCegarLoop]: Abstraction has 48 states and 52 transitions. [2018-04-12 20:12:28,580 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 20:12:28,580 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2018-04-12 20:12:28,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-12 20:12:28,580 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:28,581 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] [2018-04-12 20:12:28,581 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-04-12 20:12:28,581 INFO L82 PathProgramCache]: Analyzing trace with hash -564160892, now seen corresponding path program 1 times [2018-04-12 20:12:28,581 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:28,594 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:28,652 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 20:12:28,653 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:12:28,653 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-12 20:12:28,653 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:28,653 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 20:12:28,653 INFO L182 omatonBuilderFactory]: Interpolants [1248#(and (<= 1 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset) (<= __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base))), 1249#(and (<= (+ |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~pre7.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~pre7.base|)) (<= 0 |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~pre7.offset|)), 1241#true, 1242#false, 1243#(= 0 |main_#t~malloc13.offset|), 1244#(= 0 main_~nondetString2~0.offset), 1245#(= 0 |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s2.offset|), 1246#(= 0 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset), 1247#(and (= |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.offset| 0) (<= (+ |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.offset| 1) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset) (= |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.base| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base) (<= __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset (+ |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.offset| 1)))] [2018-04-12 20:12:28,653 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 20:12:28,653 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 20:12:28,654 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 20:12:28,654 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-04-12 20:12:28,654 INFO L87 Difference]: Start difference. First operand 48 states and 52 transitions. Second operand 9 states. [2018-04-12 20:12:28,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:28,779 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2018-04-12 20:12:28,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-12 20:12:28,779 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2018-04-12 20:12:28,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:28,779 INFO L225 Difference]: With dead ends: 57 [2018-04-12 20:12:28,780 INFO L226 Difference]: Without dead ends: 57 [2018-04-12 20:12:28,780 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2018-04-12 20:12:28,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-04-12 20:12:28,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 50. [2018-04-12 20:12:28,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-12 20:12:28,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2018-04-12 20:12:28,783 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 24 [2018-04-12 20:12:28,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:28,783 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2018-04-12 20:12:28,783 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 20:12:28,783 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2018-04-12 20:12:28,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-12 20:12:28,784 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:28,784 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] [2018-04-12 20:12:28,786 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-04-12 20:12:28,786 INFO L82 PathProgramCache]: Analyzing trace with hash -307576952, now seen corresponding path program 1 times [2018-04-12 20:12:28,786 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:28,797 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:28,922 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 20:12:28,923 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:12:28,923 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-04-12 20:12:28,923 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:28,923 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 20:12:28,923 INFO L182 omatonBuilderFactory]: Interpolants [1376#(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)), 1377#(= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s1.base|) |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s1.offset|)), 1378#(= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset)), 1379#(= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post5.base|) |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post5.offset|)), 1380#(= 0 |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~mem6|), 1369#true, 1370#false, 1371#(and (<= 1 main_~length1~0) (<= main_~length1~0 1)), 1372#(and (= (select |#valid| |main_#t~malloc12.base|) 1) (= 0 |main_#t~malloc12.offset|) (<= 1 main_~length1~0) (<= main_~length1~0 1)), 1373#(and (= (select |#valid| main_~nondetString1~0.base) 1) (<= 1 main_~length1~0) (<= main_~length1~0 1) (= main_~nondetString1~0.offset 0)), 1374#(and (<= 1 main_~length1~0) (<= main_~length1~0 1) (not (= main_~nondetString1~0.base |main_#t~malloc13.base|)) (= main_~nondetString1~0.offset 0)), 1375#(and (<= 1 main_~length1~0) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (<= main_~length1~0 1) (= main_~nondetString1~0.offset 0))] [2018-04-12 20:12:28,923 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 20:12:28,923 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-12 20:12:28,924 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-12 20:12:28,924 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-04-12 20:12:28,924 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand 12 states. [2018-04-12 20:12:29,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:29,130 INFO L93 Difference]: Finished difference Result 81 states and 86 transitions. [2018-04-12 20:12:29,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-12 20:12:29,130 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 25 [2018-04-12 20:12:29,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:29,131 INFO L225 Difference]: With dead ends: 81 [2018-04-12 20:12:29,131 INFO L226 Difference]: Without dead ends: 81 [2018-04-12 20:12:29,132 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=335, Unknown=0, NotChecked=0, Total=420 [2018-04-12 20:12:29,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-04-12 20:12:29,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 72. [2018-04-12 20:12:29,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-04-12 20:12:29,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 78 transitions. [2018-04-12 20:12:29,134 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 78 transitions. Word has length 25 [2018-04-12 20:12:29,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:29,135 INFO L459 AbstractCegarLoop]: Abstraction has 72 states and 78 transitions. [2018-04-12 20:12:29,135 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-12 20:12:29,135 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 78 transitions. [2018-04-12 20:12:29,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-12 20:12:29,135 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:29,135 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] [2018-04-12 20:12:29,135 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-04-12 20:12:29,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1996520694, now seen corresponding path program 1 times [2018-04-12 20:12:29,136 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:29,142 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:29,275 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 20:12:29,275 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 20:12:29,275 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-12 20:12:29,275 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:29,276 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 20:12:29,276 INFO L182 omatonBuilderFactory]: Interpolants [1552#true, 1553#false, 1554#(<= 1 main_~length1~0), 1555#(and (= (select |#valid| |main_#t~malloc12.base|) 1) (= 0 |main_#t~malloc12.offset|) (<= 1 main_~length1~0)), 1556#(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)), 1557#(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)), 1558#(and (or (not (= (+ main_~nondetString1~0.offset main_~length1~0) 1)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))) (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0)), 1559#(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)))), 1560#(and (= 0 |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s1.offset|) (or (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s1.base|) |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s1.offset|)) (<= 2 (select |#length| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s1.base|)))), 1561#(and (or (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset)) (<= 2 (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base))) (= 0 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset)), 1562#(and (or (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post5.base|) |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post5.offset|)) (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset 1) (+ |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post5.offset| (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base)))) (= |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post5.offset| 0) (<= (+ |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post5.offset| 1) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset)), 1563#(and (or (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base)) (= 0 |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~mem6|)) (<= 1 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset)), 1564#(and (<= 1 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset) (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base)))] [2018-04-12 20:12:29,276 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 20:12:29,276 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 20:12:29,276 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 20:12:29,276 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2018-04-12 20:12:29,276 INFO L87 Difference]: Start difference. First operand 72 states and 78 transitions. Second operand 13 states. [2018-04-12 20:12:29,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:29,576 INFO L93 Difference]: Finished difference Result 91 states and 99 transitions. [2018-04-12 20:12:29,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-12 20:12:29,576 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 25 [2018-04-12 20:12:29,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:29,577 INFO L225 Difference]: With dead ends: 91 [2018-04-12 20:12:29,577 INFO L226 Difference]: Without dead ends: 91 [2018-04-12 20:12:29,577 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=413, Unknown=0, NotChecked=0, Total=506 [2018-04-12 20:12:29,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-04-12 20:12:29,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 79. [2018-04-12 20:12:29,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-04-12 20:12:29,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 88 transitions. [2018-04-12 20:12:29,581 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 88 transitions. Word has length 25 [2018-04-12 20:12:29,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:29,581 INFO L459 AbstractCegarLoop]: Abstraction has 79 states and 88 transitions. [2018-04-12 20:12:29,581 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 20:12:29,581 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 88 transitions. [2018-04-12 20:12:29,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-12 20:12:29,582 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:29,582 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:12:29,582 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-04-12 20:12:29,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1193993803, now seen corresponding path program 1 times [2018-04-12 20:12:29,582 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:29,593 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:29,703 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:29,703 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:12:29,703 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-04-12 20:12:29,704 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:29,704 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 20:12:29,704 INFO L182 omatonBuilderFactory]: Interpolants [1760#(and (= main_~nondetString2~0.offset 0) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) main_~nondetString2~0.offset))), 1761#(= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s2.base|) |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s2.offset|)), 1762#(= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset)), 1763#(and (= (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset) |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~mem3|) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset))), 1764#(and (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.base|) |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.offset|)) (= (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset) |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~mem3|)), 1765#(and (= 0 |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~mem4|) (= (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset) |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~mem3|)), 1766#(= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post5.base|) |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post5.offset|)), 1767#(= 0 |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~mem6|), 1755#true, 1756#false, 1757#(and (<= main_~length2~0 1) (<= 1 main_~length2~0)), 1758#(and (<= main_~length2~0 1) (<= 1 main_~length2~0) (= 0 |main_#t~malloc13.offset|)), 1759#(and (= main_~nondetString2~0.offset 0) (<= 1 main_~length2~0) (<= (+ main_~nondetString2~0.offset main_~length2~0) 1))] [2018-04-12 20:12:29,704 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:29,704 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 20:12:29,704 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 20:12:29,704 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2018-04-12 20:12:29,704 INFO L87 Difference]: Start difference. First operand 79 states and 88 transitions. Second operand 13 states. [2018-04-12 20:12:29,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:29,864 INFO L93 Difference]: Finished difference Result 128 states and 138 transitions. [2018-04-12 20:12:29,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-12 20:12:29,864 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 27 [2018-04-12 20:12:29,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:29,865 INFO L225 Difference]: With dead ends: 128 [2018-04-12 20:12:29,865 INFO L226 Difference]: Without dead ends: 128 [2018-04-12 20:12:29,865 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=388, Unknown=0, NotChecked=0, Total=462 [2018-04-12 20:12:29,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-04-12 20:12:29,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 79. [2018-04-12 20:12:29,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-04-12 20:12:29,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 88 transitions. [2018-04-12 20:12:29,868 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 88 transitions. Word has length 27 [2018-04-12 20:12:29,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:29,868 INFO L459 AbstractCegarLoop]: Abstraction has 79 states and 88 transitions. [2018-04-12 20:12:29,868 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 20:12:29,868 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 88 transitions. [2018-04-12 20:12:29,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-12 20:12:29,868 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:29,868 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:12:29,868 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-04-12 20:12:29,868 INFO L82 PathProgramCache]: Analyzing trace with hash 376345353, now seen corresponding path program 1 times [2018-04-12 20:12:29,869 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:29,877 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:30,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:30,066 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 20:12:30,066 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-12 20:12:30,067 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:30,067 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 20:12:30,067 INFO L182 omatonBuilderFactory]: Interpolants [1993#true, 1994#false, 1995#(<= 1 main_~length2~0), 1996#(and (= main_~length2~0 (select |#length| |main_#t~malloc13.base|)) (<= 1 main_~length2~0) (= 0 |main_#t~malloc13.offset|)), 1997#(and (= 0 main_~nondetString2~0.offset) (<= 1 main_~length2~0) (or (= (+ main_~nondetString2~0.offset main_~length2~0) 1) (= main_~length2~0 (select |#length| main_~nondetString2~0.base)))), 1998#(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))))), 1999#(and (= 0 |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s2.offset|) (or (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s2.base|) |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s2.offset|)) (<= 2 (select |#length| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s2.base|)))), 2000#(and (or (<= 2 (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset))) (= 0 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset)), 2001#(and (= 0 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset) (or (<= 2 (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base)) (and (= (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset) |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~mem3|) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset))))), 2002#(and (= |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.offset| 0) (or (and (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset 1) (+ |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.offset| (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base))) (<= (+ |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.offset| 1) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset)) (and (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.base|) |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.offset|)) (= (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset) |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~mem3|)))), 2003#(or (and (<= 1 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset) (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base))) (and (= 0 |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~mem4|) (= (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset) |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~mem3|))), 2004#(or (and (<= 1 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset) (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base))) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post5.base|) |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post5.offset|))), 2005#(or (and (<= 1 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset) (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base))) (= 0 |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~mem6|)), 2006#(and (<= 1 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset) (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base))), 2007#(and (<= 1 |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.base|)))] [2018-04-12 20:12:30,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:30,067 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-12 20:12:30,067 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-12 20:12:30,068 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-04-12 20:12:30,068 INFO L87 Difference]: Start difference. First operand 79 states and 88 transitions. Second operand 15 states. [2018-04-12 20:12:30,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:30,471 INFO L93 Difference]: Finished difference Result 79 states and 87 transitions. [2018-04-12 20:12:30,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-12 20:12:30,472 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 27 [2018-04-12 20:12:30,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:30,472 INFO L225 Difference]: With dead ends: 79 [2018-04-12 20:12:30,473 INFO L226 Difference]: Without dead ends: 79 [2018-04-12 20:12:30,473 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=556, Unknown=0, NotChecked=0, Total=650 [2018-04-12 20:12:30,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-04-12 20:12:30,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-04-12 20:12:30,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-04-12 20:12:30,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 87 transitions. [2018-04-12 20:12:30,476 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 87 transitions. Word has length 27 [2018-04-12 20:12:30,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:30,476 INFO L459 AbstractCegarLoop]: Abstraction has 79 states and 87 transitions. [2018-04-12 20:12:30,476 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-12 20:12:30,476 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2018-04-12 20:12:30,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-12 20:12:30,477 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:30,477 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:12:30,477 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-04-12 20:12:30,477 INFO L82 PathProgramCache]: Analyzing trace with hash 890631050, now seen corresponding path program 1 times [2018-04-12 20:12:30,478 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:30,487 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:30,541 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:30,541 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 20:12:30,541 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-04-12 20:12:30,541 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:30,542 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 20:12:30,542 INFO L182 omatonBuilderFactory]: Interpolants [2192#(= 0 |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s1.offset|), 2193#(= 0 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset), 2194#(and (= |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post5.offset| 0) (<= (+ |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post5.offset| 1) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset)), 2195#(<= 1 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset), 2196#(and (<= 1 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset) (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base))), 2197#(and (<= (+ |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post5.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post5.base|)) (<= 1 |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post5.offset|)), 2188#true, 2189#false, 2190#(= 0 |main_#t~malloc12.offset|), 2191#(= 0 main_~nondetString1~0.offset)] [2018-04-12 20:12:30,542 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:30,542 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-12 20:12:30,542 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-12 20:12:30,542 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-04-12 20:12:30,543 INFO L87 Difference]: Start difference. First operand 79 states and 87 transitions. Second operand 10 states. [2018-04-12 20:12:30,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:30,660 INFO L93 Difference]: Finished difference Result 84 states and 92 transitions. [2018-04-12 20:12:30,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-12 20:12:30,661 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 29 [2018-04-12 20:12:30,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:30,661 INFO L225 Difference]: With dead ends: 84 [2018-04-12 20:12:30,661 INFO L226 Difference]: Without dead ends: 84 [2018-04-12 20:12:30,662 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2018-04-12 20:12:30,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-04-12 20:12:30,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 75. [2018-04-12 20:12:30,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-04-12 20:12:30,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 82 transitions. [2018-04-12 20:12:30,665 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 82 transitions. Word has length 29 [2018-04-12 20:12:30,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:30,665 INFO L459 AbstractCegarLoop]: Abstraction has 75 states and 82 transitions. [2018-04-12 20:12:30,665 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-12 20:12:30,665 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 82 transitions. [2018-04-12 20:12:30,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-12 20:12:30,666 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:30,666 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, 1, 1, 1] [2018-04-12 20:12:30,666 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-04-12 20:12:30,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1581359984, now seen corresponding path program 1 times [2018-04-12 20:12:30,667 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:30,674 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:30,741 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 20:12:30,742 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 20:12:30,742 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-12 20:12:30,742 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:30,742 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 20:12:30,742 INFO L182 omatonBuilderFactory]: Interpolants [2369#true, 2370#false, 2371#(= |#valid| |old(#valid)|), 2372#(and (= (select |#valid| |main_#t~malloc12.base|) 1) (= (store |#valid| |main_#t~malloc12.base| 0) |old(#valid)|)), 2373#(and (= (store |#valid| |main_#t~malloc12.base| 0) |old(#valid)|) (= (select |#valid| main_~nondetString1~0.base) 1) (= main_~nondetString1~0.base |main_#t~malloc12.base|)), 2374#(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)|)), 2375#(= |old(#valid)| (store |#valid| |main_#t~malloc13.base| 0))] [2018-04-12 20:12:30,742 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 20:12:30,743 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-12 20:12:30,743 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-12 20:12:30,743 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-04-12 20:12:30,743 INFO L87 Difference]: Start difference. First operand 75 states and 82 transitions. Second operand 7 states. [2018-04-12 20:12:30,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:30,826 INFO L93 Difference]: Finished difference Result 74 states and 81 transitions. [2018-04-12 20:12:30,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 20:12:30,826 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2018-04-12 20:12:30,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:30,827 INFO L225 Difference]: With dead ends: 74 [2018-04-12 20:12:30,827 INFO L226 Difference]: Without dead ends: 40 [2018-04-12 20:12:30,827 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-04-12 20:12:30,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-04-12 20:12:30,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-04-12 20:12:30,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-04-12 20:12:30,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2018-04-12 20:12:30,829 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 40 transitions. Word has length 31 [2018-04-12 20:12:30,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:30,829 INFO L459 AbstractCegarLoop]: Abstraction has 40 states and 40 transitions. [2018-04-12 20:12:30,829 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-12 20:12:30,829 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2018-04-12 20:12:30,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-12 20:12:30,829 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:30,830 INFO L355 BasicCegarLoop]: trace histogram [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, 1] [2018-04-12 20:12:30,830 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-04-12 20:12:30,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1197897303, now seen corresponding path program 1 times [2018-04-12 20:12:30,831 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:30,838 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:30,938 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:30,938 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 20:12:30,938 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-12 20:12:30,938 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:30,938 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 20:12:30,938 INFO L182 omatonBuilderFactory]: Interpolants [2496#(and (= main_~length2~0 (select |#length| |main_#t~malloc13.base|)) (= 0 |main_#t~malloc13.offset|)), 2497#(and (= 0 main_~nondetString2~0.offset) (= main_~length2~0 (select |#length| main_~nondetString2~0.base))), 2498#(= 0 main_~nondetString2~0.offset), 2499#(= 0 |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s2.offset|), 2500#(= 0 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset), 2501#(and (= |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.offset| 0) (<= (+ |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.offset| 1) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset)), 2502#(<= 1 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset), 2503#(and (<= 2 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset) (<= (+ (select |#length| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.base|) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset) (+ (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base) |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.offset| 1))), 2504#(and (<= 2 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset) (<= __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base))), 2505#(and (<= (+ |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~pre7.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~pre7.base|)) (<= 1 |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~pre7.offset|)), 2494#true, 2495#false] [2018-04-12 20:12:30,939 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:30,939 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-12 20:12:30,939 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-12 20:12:30,939 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-04-12 20:12:30,939 INFO L87 Difference]: Start difference. First operand 40 states and 40 transitions. Second operand 12 states. [2018-04-12 20:12:31,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:31,058 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2018-04-12 20:12:31,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-12 20:12:31,058 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 31 [2018-04-12 20:12:31,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:31,058 INFO L225 Difference]: With dead ends: 39 [2018-04-12 20:12:31,058 INFO L226 Difference]: Without dead ends: 36 [2018-04-12 20:12:31,059 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2018-04-12 20:12:31,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-04-12 20:12:31,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-04-12 20:12:31,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-04-12 20:12:31,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2018-04-12 20:12:31,059 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 31 [2018-04-12 20:12:31,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:31,060 INFO L459 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2018-04-12 20:12:31,060 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-12 20:12:31,060 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2018-04-12 20:12:31,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-12 20:12:31,060 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:31,060 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] [2018-04-12 20:12:31,060 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-04-12 20:12:31,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1518347755, now seen corresponding path program 1 times [2018-04-12 20:12:31,061 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:31,067 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:31,303 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 20:12:31,303 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 20:12:31,303 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-12 20:12:31,303 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:31,304 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 20:12:31,304 INFO L182 omatonBuilderFactory]: Interpolants [2597#true, 2598#false, 2599#(and (= main_~length1~0 (select |#length| |main_#t~malloc12.base|)) (= (select |#valid| |main_#t~malloc12.base|) 1) (= 0 |main_#t~malloc12.offset|)), 2600#(and (= 0 main_~nondetString1~0.offset) (= (select |#valid| main_~nondetString1~0.base) 1) (or (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (+ main_~nondetString1~0.offset main_~length1~0) 2))), 2601#(and (= 0 main_~nondetString1~0.offset) (or (not (= (+ main_~nondetString1~0.offset main_~length1~0) 2)) (not (= main_~nondetString1~0.base |main_#t~malloc13.base|))) (or (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (+ main_~nondetString1~0.offset main_~length1~0) 2))), 2602#(and (or (not (= (+ main_~nondetString1~0.offset main_~length1~0) 2)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))) (= 0 main_~nondetString1~0.offset) (or (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (+ main_~nondetString1~0.offset main_~length1~0) 2))), 2603#(and (= 0 main_~nondetString1~0.offset) (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))))), 2604#(and (= 0 |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s1.offset|) (or (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s1.base|) 1)) (<= 3 (select |#length| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s1.base|)) (<= (select |#length| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s1.base|) 1))), 2605#(and (= 0 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset) (or (<= (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base) 1) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base) 1)) (<= 3 (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base)))), 2606#(and (or (<= (+ |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post5.offset| (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base)) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset) (and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base) 1)) (= 1 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset)) (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset 2) (+ |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post5.offset| (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base)))) (= |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post5.offset| 0)), 2607#(or (and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base) 1)) (= 1 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset)) (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base)) (<= (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset)), 2608#(or (and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base) 1)) (= 1 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset)) (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base))), 2609#(or (and (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base)) (<= (+ |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post5.offset| 1) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset)) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post5.base|) |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post5.offset|))), 2610#(or (and (<= 1 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset) (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base))) (= 0 |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~mem6|)), 2611#(and (<= 1 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset) (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base)))] [2018-04-12 20:12:31,304 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 20:12:31,304 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-12 20:12:31,304 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-12 20:12:31,304 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2018-04-12 20:12:31,304 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand 15 states. [2018-04-12 20:12:31,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:31,639 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2018-04-12 20:12:31,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-12 20:12:31,639 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 32 [2018-04-12 20:12:31,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:31,639 INFO L225 Difference]: With dead ends: 45 [2018-04-12 20:12:31,640 INFO L226 Difference]: Without dead ends: 45 [2018-04-12 20:12:31,640 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=557, Unknown=0, NotChecked=0, Total=650 [2018-04-12 20:12:31,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-04-12 20:12:31,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 41. [2018-04-12 20:12:31,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-04-12 20:12:31,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2018-04-12 20:12:31,642 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 32 [2018-04-12 20:12:31,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:31,642 INFO L459 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2018-04-12 20:12:31,642 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-12 20:12:31,642 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2018-04-12 20:12:31,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-12 20:12:31,643 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:31,643 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:12:31,643 INFO L408 AbstractCegarLoop]: === Iteration 21 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-04-12 20:12:31,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1156687510, now seen corresponding path program 2 times [2018-04-12 20:12:31,644 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:31,654 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:31,880 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:31,880 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 20:12:31,880 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-12 20:12:31,880 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:31,880 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 20:12:31,881 INFO L182 omatonBuilderFactory]: Interpolants [2720#true, 2721#false, 2722#(and (= main_~length2~0 (select |#length| |main_#t~malloc13.base|)) (= 0 |main_#t~malloc13.offset|)), 2723#(and (= 0 main_~nondetString2~0.offset) (or (= (+ main_~nondetString2~0.offset main_~length2~0) 2) (= main_~length2~0 (select |#length| main_~nondetString2~0.base)))), 2724#(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))))), 2725#(and (= 0 |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s2.offset|) (or (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s2.base|) 1)) (<= 3 (select |#length| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s2.base|)) (<= (select |#length| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s2.base|) 1))), 2726#(and (or (<= (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base) 1) (<= 3 (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base) 1))) (= 0 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset)), 2727#(and (= |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.offset| 0) (or (and (<= (+ |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.offset| 1) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset) (<= __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset (+ |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.offset| 1)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base) 1))) (and (<= (+ |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.offset| 1) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset) (or (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset 2) (+ |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.offset| (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base))) (<= (+ |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.offset| (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base)) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset))))), 2728#(or (and (<= __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset 1) (<= 1 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base) 1))) (and (<= 1 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset) (or (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base)) (<= (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset)))), 2729#(or (and (<= __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset 1) (<= 1 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset) (= (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset) |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~mem3|) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base) 1))) (and (<= 1 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset) (or (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base)) (<= (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset)))), 2730#(or (and (<= 2 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset) (or (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base)) (<= (select |#length| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.base|) |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.offset|))) (and (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.base|) |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.offset|)) (= (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset) |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~mem3|) (= 1 |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.offset|))), 2731#(or (and (= 0 |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~mem4|) (= (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset) |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~mem3|)) (and (<= 2 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset) (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base)))), 2732#(or (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post5.base|) |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post5.offset|)) (and (<= 2 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset) (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base)))), 2733#(or (and (<= 2 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset) (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base))) (= 0 |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~mem6|)), 2734#(and (<= 2 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset) (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base))), 2735#(and (<= 2 |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.base|)))] [2018-04-12 20:12:31,881 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 20:12:31,881 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-12 20:12:31,881 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-12 20:12:31,881 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2018-04-12 20:12:31,882 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 16 states. [2018-04-12 20:12:32,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:32,262 INFO L93 Difference]: Finished difference Result 44 states and 44 transitions. [2018-04-12 20:12:32,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-12 20:12:32,262 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 34 [2018-04-12 20:12:32,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:32,262 INFO L225 Difference]: With dead ends: 44 [2018-04-12 20:12:32,262 INFO L226 Difference]: Without dead ends: 44 [2018-04-12 20:12:32,263 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2018-04-12 20:12:32,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-04-12 20:12:32,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2018-04-12 20:12:32,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-12 20:12:32,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2018-04-12 20:12:32,264 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 34 [2018-04-12 20:12:32,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:32,264 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2018-04-12 20:12:32,264 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-12 20:12:32,264 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2018-04-12 20:12:32,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-12 20:12:32,265 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:32,265 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] [2018-04-12 20:12:32,265 INFO L408 AbstractCegarLoop]: === Iteration 22 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-04-12 20:12:32,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1837889192, now seen corresponding path program 2 times [2018-04-12 20:12:32,266 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:32,273 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:32,390 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-12 20:12:32,390 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 20:12:32,391 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-12 20:12:32,391 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:32,391 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 20:12:32,391 INFO L182 omatonBuilderFactory]: Interpolants [2848#false, 2849#(and (= main_~length1~0 (select |#length| |main_#t~malloc12.base|)) (= (select |#valid| |main_#t~malloc12.base|) 1) (= 0 |main_#t~malloc12.offset|)), 2850#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (select |#valid| main_~nondetString1~0.base) 1) (= main_~nondetString1~0.offset 0)), 2851#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (not (= main_~nondetString1~0.base |main_#t~malloc13.base|)) (= main_~nondetString1~0.offset 0)), 2852#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (= main_~nondetString1~0.offset 0)), 2853#(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)), 2854#(= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s1.base|) (+ (select |#length| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s1.base|) (- 1)))), 2855#(= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base) (- 1)))), 2856#(or (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset)) (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base)) (<= (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset)), 2857#(or (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset)) (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base))), 2858#(or (and (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base)) (<= (+ |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post5.offset| 1) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset)) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post5.base|) |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post5.offset|))), 2859#(or (and (<= 1 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset) (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base))) (= 0 |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~mem6|)), 2860#(and (<= 1 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset) (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base))), 2847#true] [2018-04-12 20:12:32,391 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-12 20:12:32,391 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-12 20:12:32,391 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-12 20:12:32,391 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2018-04-12 20:12:32,392 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 14 states. [2018-04-12 20:12:32,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:32,549 INFO L93 Difference]: Finished difference Result 42 states and 42 transitions. [2018-04-12 20:12:32,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 20:12:32,549 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 39 [2018-04-12 20:12:32,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:32,549 INFO L225 Difference]: With dead ends: 42 [2018-04-12 20:12:32,549 INFO L226 Difference]: Without dead ends: 42 [2018-04-12 20:12:32,550 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=412, Unknown=0, NotChecked=0, Total=506 [2018-04-12 20:12:32,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-04-12 20:12:32,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-04-12 20:12:32,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-04-12 20:12:32,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2018-04-12 20:12:32,551 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 39 [2018-04-12 20:12:32,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:32,551 INFO L459 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2018-04-12 20:12:32,551 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-12 20:12:32,551 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2018-04-12 20:12:32,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-04-12 20:12:32,551 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 20:12:32,551 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 20:12:32,551 INFO L408 AbstractCegarLoop]: === Iteration 23 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-04-12 20:12:32,551 INFO L82 PathProgramCache]: Analyzing trace with hash 979954281, now seen corresponding path program 3 times [2018-04-12 20:12:32,552 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 20:12:32,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 20:12:32,563 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 20:12:32,699 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-04-12 20:12:32,699 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 20:12:32,699 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-12 20:12:32,699 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 20:12:32,700 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 20:12:32,700 INFO L182 omatonBuilderFactory]: Interpolants [2976#(and (<= 1 |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.offset|) (<= (+ |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.offset| 1) (select |#length| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.base|))), 2963#true, 2964#false, 2965#(and (= main_~length2~0 (select |#length| |main_#t~malloc13.base|)) (= 0 |main_#t~malloc13.offset|)), 2966#(and (= main_~nondetString2~0.offset 0) (= main_~length2~0 (select |#length| main_~nondetString2~0.base))), 2967#(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)))))), 2968#(= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s2.base|) (+ (select |#length| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s2.base|) (- 1)))), 2969#(= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base) (- 1)))), 2970#(and (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base) (- 1)))) (= (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset) |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~mem3|)), 2971#(or (and (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.base|) |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.offset|)) (= (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset) |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~mem3|)) (and (or (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base)) (<= (select |#length| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.base|) |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.offset|)) (<= (+ |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post2.offset| 1) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset))), 2972#(or (and (<= 1 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset) (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base))) (and (= 0 |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~mem4|) (= (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base) __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset) |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~mem3|))), 2973#(or (and (<= 1 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset) (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base))) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post5.base|) |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~post5.offset|))), 2974#(or (and (<= 1 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset) (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base))) (= 0 |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#t~mem6|)), 2975#(and (<= 1 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset) (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base)))] [2018-04-12 20:12:32,700 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-04-12 20:12:32,700 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-12 20:12:32,700 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-12 20:12:32,700 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2018-04-12 20:12:32,700 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand 14 states. [2018-04-12 20:12:33,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 20:12:33,045 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2018-04-12 20:12:33,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-12 20:12:33,045 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 41 [2018-04-12 20:12:33,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 20:12:33,046 INFO L225 Difference]: With dead ends: 41 [2018-04-12 20:12:33,046 INFO L226 Difference]: Without dead ends: 0 [2018-04-12 20:12:33,046 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=521, Unknown=0, NotChecked=0, Total=650 [2018-04-12 20:12:33,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-12 20:12:33,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-12 20:12:33,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-12 20:12:33,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-12 20:12:33,046 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2018-04-12 20:12:33,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 20:12:33,046 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-12 20:12:33,046 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-12 20:12:33,047 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-12 20:12:33,047 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-12 20:12:33,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 08:12:33 BoogieIcfgContainer [2018-04-12 20:12:33,049 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 20:12:33,050 INFO L168 Benchmark]: Toolchain (without parser) took 6656.17 ms. Allocated memory was 398.5 MB in the beginning and 765.5 MB in the end (delta: 367.0 MB). Free memory was 335.3 MB in the beginning and 710.7 MB in the end (delta: -375.4 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 20:12:33,051 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 398.5 MB. Free memory is still 361.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 20:12:33,051 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.93 ms. Allocated memory is still 398.5 MB. Free memory was 335.3 MB in the beginning and 310.2 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. [2018-04-12 20:12:33,052 INFO L168 Benchmark]: Boogie Preprocessor took 37.69 ms. Allocated memory is still 398.5 MB. Free memory was 310.2 MB in the beginning and 308.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-04-12 20:12:33,052 INFO L168 Benchmark]: RCFGBuilder took 408.55 ms. Allocated memory was 398.5 MB in the beginning and 606.6 MB in the end (delta: 208.1 MB). Free memory was 308.9 MB in the beginning and 542.2 MB in the end (delta: -233.3 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. [2018-04-12 20:12:33,052 INFO L168 Benchmark]: TraceAbstraction took 5960.91 ms. Allocated memory was 606.6 MB in the beginning and 765.5 MB in the end (delta: 158.9 MB). Free memory was 542.2 MB in the beginning and 710.7 MB in the end (delta: -168.5 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 20:12:33,054 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 398.5 MB. Free memory is still 361.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 245.93 ms. Allocated memory is still 398.5 MB. Free memory was 335.3 MB in the beginning and 310.2 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 37.69 ms. Allocated memory is still 398.5 MB. Free memory was 310.2 MB in the beginning and 308.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 408.55 ms. Allocated memory was 398.5 MB in the beginning and 606.6 MB in the end (delta: 208.1 MB). Free memory was 308.9 MB in the beginning and 542.2 MB in the end (delta: -233.3 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 5960.91 ms. Allocated memory was 606.6 MB in the beginning and 765.5 MB in the end (delta: 158.9 MB). Free memory was 542.2 MB in the beginning and 710.7 MB in the end (delta: -168.5 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 560]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 560]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: 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, 59 locations, 15 error locations. SAFE Result, 5.9s OverallTime, 23 OverallIterations, 4 TraceHistogramMax, 3.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 702 SDtfs, 1027 SDslu, 2588 SDs, 0 SdLazy, 2609 SolverSat, 182 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 337 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 298 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 709 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 25/109 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, 23 MinimizatonAttempts, 108 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 563 NumberOfCodeBlocks, 563 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 540 ConstructedInterpolants, 0 QuantifiedInterpolants, 113294 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 15 PerfectInterpolantSequences, 25/109 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/openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_20-12-33-063.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_20-12-33-063.csv Received shutdown request...