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_NoArray.epf -i ../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 15:22:57,409 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 15:22:57,411 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 15:22:57,424 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 15:22:57,424 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 15:22:57,425 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 15:22:57,425 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 15:22:57,427 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 15:22:57,429 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 15:22:57,429 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 15:22:57,430 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 15:22:57,430 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 15:22:57,431 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 15:22:57,432 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 15:22:57,432 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 15:22:57,434 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 15:22:57,435 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 15:22:57,437 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 15:22:57,437 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 15:22:57,438 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 15:22:57,440 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 15:22:57,440 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 15:22:57,440 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 15:22:57,441 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 15:22:57,441 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 15:22:57,442 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 15:22:57,442 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 15:22:57,443 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 15:22:57,444 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 15:22:57,444 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 15:22:57,444 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 15:22:57,444 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_NoArray.epf [2018-04-11 15:22:57,465 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 15:22:57,466 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 15:22:57,466 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 15:22:57,467 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 15:22:57,467 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 15:22:57,467 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 15:22:57,467 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 15:22:57,467 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 15:22:57,467 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 15:22:57,468 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 15:22:57,468 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 15:22:57,468 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 15:22:57,468 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 15:22:57,468 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 15:22:57,468 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 15:22:57,468 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 15:22:57,469 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 15:22:57,469 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 15:22:57,469 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 15:22:57,469 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 15:22:57,469 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 15:22:57,469 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 15:22:57,469 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 15:22:57,470 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 15:22:57,497 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 15:22:57,506 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 15:22:57,509 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 15:22:57,510 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 15:22:57,510 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 15:22:57,511 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,785 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGfaf15136e [2018-04-11 15:22:57,918 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 15:22:57,918 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 15:22:57,919 INFO L168 CDTParser]: Scanning openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,928 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 15:22:57,928 INFO L215 ultiparseSymbolTable]: [2018-04-11 15:22:57,928 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 15:22:57,928 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,928 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,928 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,928 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrk ('cstrpbrk') in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,929 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 15:22:57,929 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,929 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,929 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,929 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,929 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,929 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,929 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,929 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,929 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,930 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,930 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,930 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,930 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,930 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,930 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,930 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,930 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,930 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,930 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,931 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,931 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,931 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,931 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,931 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,931 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,931 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,931 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,931 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,931 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,931 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,932 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,932 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,932 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,932 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,932 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,932 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,932 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,932 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,932 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,932 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,933 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,933 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,933 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,933 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,933 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,933 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,933 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,933 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,933 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,934 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,934 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,934 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,934 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,934 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,934 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,934 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,934 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,934 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,934 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,935 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,936 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,937 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,938 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,939 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:57,950 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGfaf15136e [2018-04-11 15:22:57,953 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 15:22:57,954 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 15:22:57,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 15:22:57,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 15:22:57,958 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 15:22:57,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 03:22:57" (1/1) ... [2018-04-11 15:22:57,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@162177b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:22:57, skipping insertion in model container [2018-04-11 15:22:57,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 03:22:57" (1/1) ... [2018-04-11 15:22:57,975 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 15:22:57,995 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 15:22:58,118 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 15:22:58,148 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 15:22:58,154 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-11 15:22:58,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:22:58 WrapperNode [2018-04-11 15:22:58,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 15:22:58,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 15:22:58,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 15:22:58,190 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 15:22:58,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:22:58" (1/1) ... [2018-04-11 15:22:58,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:22:58" (1/1) ... [2018-04-11 15:22:58,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:22:58" (1/1) ... [2018-04-11 15:22:58,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:22:58" (1/1) ... [2018-04-11 15:22:58,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:22:58" (1/1) ... [2018-04-11 15:22:58,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:22:58" (1/1) ... [2018-04-11 15:22:58,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:22:58" (1/1) ... [2018-04-11 15:22:58,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 15:22:58,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 15:22:58,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 15:22:58,227 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 15:22:58,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:22:58" (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 [2018-04-11 15:22:58,309 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 15:22:58,309 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 15:22:58,309 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 15:22:58,309 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 15:22:58,309 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrk [2018-04-11 15:22:58,309 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 15:22:58,310 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 15:22:58,310 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 15:22:58,310 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 15:22:58,310 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 15:22:58,310 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 15:22:58,310 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 15:22:58,310 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 15:22:58,310 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 15:22:58,310 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 15:22:58,311 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 15:22:58,311 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 15:22:58,311 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 15:22:58,311 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 15:22:58,311 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 15:22:58,311 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 15:22:58,311 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 15:22:58,311 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 15:22:58,311 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 15:22:58,312 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 15:22:58,312 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 15:22:58,312 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 15:22:58,312 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 15:22:58,312 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 15:22:58,312 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 15:22:58,312 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 15:22:58,312 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 15:22:58,312 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 15:22:58,313 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 15:22:58,313 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 15:22:58,313 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 15:22:58,313 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 15:22:58,313 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 15:22:58,313 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 15:22:58,313 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 15:22:58,313 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 15:22:58,313 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 15:22:58,313 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 15:22:58,314 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 15:22:58,314 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 15:22:58,314 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 15:22:58,314 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 15:22:58,314 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 15:22:58,314 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 15:22:58,314 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 15:22:58,314 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 15:22:58,314 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 15:22:58,315 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 15:22:58,315 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 15:22:58,315 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 15:22:58,315 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 15:22:58,315 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 15:22:58,315 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 15:22:58,315 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 15:22:58,315 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 15:22:58,315 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 15:22:58,315 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 15:22:58,316 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 15:22:58,316 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 15:22:58,316 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 15:22:58,316 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 15:22:58,316 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 15:22:58,316 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 15:22:58,316 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 15:22:58,316 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 15:22:58,316 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 15:22:58,316 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 15:22:58,316 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 15:22:58,317 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 15:22:58,317 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 15:22:58,317 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 15:22:58,317 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 15:22:58,317 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 15:22:58,317 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 15:22:58,317 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 15:22:58,317 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 15:22:58,317 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 15:22:58,317 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 15:22:58,317 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 15:22:58,318 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 15:22:58,318 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 15:22:58,318 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 15:22:58,318 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 15:22:58,318 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 15:22:58,318 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 15:22:58,318 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 15:22:58,318 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 15:22:58,318 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 15:22:58,318 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 15:22:58,319 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 15:22:58,319 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 15:22:58,319 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 15:22:58,319 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 15:22:58,319 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 15:22:58,319 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 15:22:58,319 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 15:22:58,319 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 15:22:58,319 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 15:22:58,319 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 15:22:58,319 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 15:22:58,320 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 15:22:58,320 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 15:22:58,320 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 15:22:58,320 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 15:22:58,320 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrk [2018-04-11 15:22:58,320 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 15:22:58,320 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 15:22:58,320 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 15:22:58,320 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 15:22:58,320 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 15:22:58,321 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 15:22:58,321 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 15:22:58,321 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 15:22:58,577 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 15:22:58,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 03:22:58 BoogieIcfgContainer [2018-04-11 15:22:58,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 15:22:58,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 15:22:58,578 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 15:22:58,580 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 15:22:58,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 03:22:57" (1/3) ... [2018-04-11 15:22:58,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be31469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 03:22:58, skipping insertion in model container [2018-04-11 15:22:58,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:22:58" (2/3) ... [2018-04-11 15:22:58,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be31469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 03:22:58, skipping insertion in model container [2018-04-11 15:22:58,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 03:22:58" (3/3) ... [2018-04-11 15:22:58,582 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i [2018-04-11 15:22:58,589 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 15:22:58,594 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-04-11 15:22:58,615 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 15:22:58,616 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 15:22:58,616 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 15:22:58,616 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 15:22:58,616 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 15:22:58,616 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 15:22:58,616 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 15:22:58,616 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 15:22:58,616 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 15:22:58,617 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 15:22:58,623 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2018-04-11 15:22:58,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 15:22:58,628 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:22:58,628 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:22:58,628 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 15:22:58,631 INFO L82 PathProgramCache]: Analyzing trace with hash 121930495, now seen corresponding path program 1 times [2018-04-11 15:22:58,632 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:22:58,632 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:22:58,658 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:22:58,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:22:58,658 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:22:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:22:58,695 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:22:58,707 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:22:58,707 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:22:58,707 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:22:58,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:22:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:22:58,741 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:22:58,773 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 15:22:58,774 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:22:58,777 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:22:58,777 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 15:22:58,791 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:22:58,792 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:22:58,793 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-11 15:22:58,793 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:22:58,801 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 15:22:58,801 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-04-11 15:22:58,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:22:58,816 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:22:58,816 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 15:22:58,818 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 15:22:58,826 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 15:22:58,827 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-04-11 15:22:58,828 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 5 states. [2018-04-11 15:22:58,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:22:58,904 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2018-04-11 15:22:58,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 15:22:58,906 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-04-11 15:22:58,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:22:58,912 INFO L225 Difference]: With dead ends: 46 [2018-04-11 15:22:58,912 INFO L226 Difference]: Without dead ends: 43 [2018-04-11 15:22:58,913 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-04-11 15:22:58,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-04-11 15:22:58,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-04-11 15:22:58,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-11 15:22:58,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2018-04-11 15:22:58,935 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 13 [2018-04-11 15:22:58,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:22:58,935 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2018-04-11 15:22:58,935 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 15:22:58,935 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2018-04-11 15:22:58,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 15:22:58,936 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:22:58,936 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:22:58,936 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 15:22:58,936 INFO L82 PathProgramCache]: Analyzing trace with hash 121930496, now seen corresponding path program 1 times [2018-04-11 15:22:58,936 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:22:58,936 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:22:58,937 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:22:58,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:22:58,937 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:22:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:22:58,948 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:22:58,955 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:22:58,955 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:22:58,956 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:22:58,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:22:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:22:58,978 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:22:58,988 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 15:22:58,988 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:22:58,996 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 15:22:58,996 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:22:59,001 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:22:59,001 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:17 [2018-04-11 15:22:59,024 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:22:59,024 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:22:59,025 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-11 15:22:59,025 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:22:59,034 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-11 15:22:59,034 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:22:59,042 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:22:59,042 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:28, output treesize:12 [2018-04-11 15:22:59,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:22:59,050 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:22:59,050 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 15:22:59,051 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 15:22:59,051 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 15:22:59,051 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-11 15:22:59,052 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 6 states. [2018-04-11 15:22:59,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:22:59,122 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2018-04-11 15:22:59,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 15:22:59,122 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-04-11 15:22:59,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:22:59,122 INFO L225 Difference]: With dead ends: 42 [2018-04-11 15:22:59,122 INFO L226 Difference]: Without dead ends: 42 [2018-04-11 15:22:59,123 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-04-11 15:22:59,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-04-11 15:22:59,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-04-11 15:22:59,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-04-11 15:22:59,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2018-04-11 15:22:59,126 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 13 [2018-04-11 15:22:59,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:22:59,126 INFO L459 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2018-04-11 15:22:59,126 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 15:22:59,126 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2018-04-11 15:22:59,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 15:22:59,126 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:22:59,126 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:22:59,126 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 15:22:59,127 INFO L82 PathProgramCache]: Analyzing trace with hash -515121957, now seen corresponding path program 1 times [2018-04-11 15:22:59,127 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:22:59,127 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:22:59,128 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:22:59,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:22:59,128 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:22:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:22:59,139 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:22:59,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:22:59,163 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:22:59,164 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 15:22:59,164 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 15:22:59,164 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 15:22:59,164 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 15:22:59,164 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 4 states. [2018-04-11 15:22:59,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:22:59,196 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2018-04-11 15:22:59,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 15:22:59,197 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-11 15:22:59,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:22:59,197 INFO L225 Difference]: With dead ends: 41 [2018-04-11 15:22:59,197 INFO L226 Difference]: Without dead ends: 41 [2018-04-11 15:22:59,198 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 [2018-04-11 15:22:59,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-04-11 15:22:59,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-04-11 15:22:59,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-04-11 15:22:59,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2018-04-11 15:22:59,201 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 14 [2018-04-11 15:22:59,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:22:59,201 INFO L459 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2018-04-11 15:22:59,201 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 15:22:59,202 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2018-04-11 15:22:59,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 15:22:59,202 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:22:59,202 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:22:59,202 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 15:22:59,203 INFO L82 PathProgramCache]: Analyzing trace with hash -515121956, now seen corresponding path program 1 times [2018-04-11 15:22:59,203 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:22:59,203 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:22:59,204 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:22:59,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:22:59,204 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:22:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:22:59,215 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:22:59,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:22:59,255 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:22:59,255 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 15:22:59,256 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 15:22:59,256 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 15:22:59,256 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 15:22:59,256 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 5 states. [2018-04-11 15:22:59,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:22:59,313 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2018-04-11 15:22:59,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 15:22:59,313 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-11 15:22:59,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:22:59,314 INFO L225 Difference]: With dead ends: 40 [2018-04-11 15:22:59,314 INFO L226 Difference]: Without dead ends: 40 [2018-04-11 15:22:59,314 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 [2018-04-11 15:22:59,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-04-11 15:22:59,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-04-11 15:22:59,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-04-11 15:22:59,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2018-04-11 15:22:59,318 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 14 [2018-04-11 15:22:59,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:22:59,318 INFO L459 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2018-04-11 15:22:59,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 15:22:59,318 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2018-04-11 15:22:59,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 15:22:59,319 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:22:59,319 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:22:59,319 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 15:22:59,319 INFO L82 PathProgramCache]: Analyzing trace with hash 408036158, now seen corresponding path program 1 times [2018-04-11 15:22:59,319 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:22:59,319 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:22:59,320 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:22:59,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:22:59,320 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:22:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:22:59,330 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:22:59,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:22:59,370 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:22:59,370 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 15:22:59,371 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 15:22:59,371 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 15:22:59,371 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 15:22:59,371 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand 6 states. [2018-04-11 15:22:59,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:22:59,424 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions. [2018-04-11 15:22:59,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 15:22:59,424 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-04-11 15:22:59,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:22:59,425 INFO L225 Difference]: With dead ends: 39 [2018-04-11 15:22:59,425 INFO L226 Difference]: Without dead ends: 39 [2018-04-11 15:22:59,426 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 [2018-04-11 15:22:59,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-04-11 15:22:59,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-04-11 15:22:59,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-04-11 15:22:59,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2018-04-11 15:22:59,428 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 19 [2018-04-11 15:22:59,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:22:59,428 INFO L459 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2018-04-11 15:22:59,428 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 15:22:59,428 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2018-04-11 15:22:59,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 15:22:59,429 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:22:59,429 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:22:59,429 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 15:22:59,429 INFO L82 PathProgramCache]: Analyzing trace with hash 408036159, now seen corresponding path program 1 times [2018-04-11 15:22:59,429 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:22:59,429 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:22:59,429 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:22:59,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:22:59,429 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:22:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:22:59,440 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:22:59,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:22:59,526 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:22:59,527 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-11 15:22:59,527 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 15:22:59,527 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 15:22:59,527 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-11 15:22:59,527 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 9 states. [2018-04-11 15:22:59,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:22:59,616 INFO L93 Difference]: Finished difference Result 44 states and 49 transitions. [2018-04-11 15:22:59,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 15:22:59,616 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-04-11 15:22:59,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:22:59,617 INFO L225 Difference]: With dead ends: 44 [2018-04-11 15:22:59,617 INFO L226 Difference]: Without dead ends: 44 [2018-04-11 15:22:59,617 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-04-11 15:22:59,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-04-11 15:22:59,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2018-04-11 15:22:59,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-04-11 15:22:59,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2018-04-11 15:22:59,619 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 19 [2018-04-11 15:22:59,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:22:59,619 INFO L459 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2018-04-11 15:22:59,619 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 15:22:59,619 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2018-04-11 15:22:59,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-11 15:22:59,620 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:22:59,620 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:22:59,620 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 15:22:59,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1879477276, now seen corresponding path program 1 times [2018-04-11 15:22:59,620 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:22:59,620 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:22:59,620 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:22:59,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:22:59,621 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:22:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:22:59,630 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:22:59,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:22:59,669 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:22:59,669 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 15:22:59,669 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 15:22:59,669 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 15:22:59,669 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-11 15:22:59,670 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 7 states. [2018-04-11 15:22:59,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:22:59,733 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2018-04-11 15:22:59,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 15:22:59,733 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-04-11 15:22:59,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:22:59,735 INFO L225 Difference]: With dead ends: 46 [2018-04-11 15:22:59,735 INFO L226 Difference]: Without dead ends: 46 [2018-04-11 15:22:59,736 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-04-11 15:22:59,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-04-11 15:22:59,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 41. [2018-04-11 15:22:59,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-04-11 15:22:59,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2018-04-11 15:22:59,738 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 23 [2018-04-11 15:22:59,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:22:59,739 INFO L459 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2018-04-11 15:22:59,739 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 15:22:59,739 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2018-04-11 15:22:59,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-11 15:22:59,739 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:22:59,739 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:22:59,740 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 15:22:59,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1879477275, now seen corresponding path program 1 times [2018-04-11 15:22:59,740 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:22:59,740 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:22:59,741 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:22:59,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:22:59,741 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:22:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:22:59,751 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:22:59,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:22:59,841 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:22:59,841 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-11 15:22:59,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 15:22:59,842 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 15:22:59,842 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-04-11 15:22:59,842 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 10 states. [2018-04-11 15:22:59,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:22:59,937 INFO L93 Difference]: Finished difference Result 45 states and 50 transitions. [2018-04-11 15:22:59,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 15:22:59,937 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-04-11 15:22:59,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:22:59,938 INFO L225 Difference]: With dead ends: 45 [2018-04-11 15:22:59,938 INFO L226 Difference]: Without dead ends: 45 [2018-04-11 15:22:59,938 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2018-04-11 15:22:59,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-04-11 15:22:59,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2018-04-11 15:22:59,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-11 15:22:59,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2018-04-11 15:22:59,941 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 23 [2018-04-11 15:22:59,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:22:59,941 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2018-04-11 15:22:59,942 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 15:22:59,942 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2018-04-11 15:22:59,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-11 15:22:59,942 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:22:59,942 INFO L355 BasicCegarLoop]: trace histogram [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, 1] [2018-04-11 15:22:59,943 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 15:22:59,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1201678180, now seen corresponding path program 1 times [2018-04-11 15:22:59,943 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:22:59,943 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:22:59,944 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:22:59,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:22:59,949 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:22:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:22:59,962 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:22:59,966 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:22:59,966 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:22:59,966 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:22:59,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:23:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:23:00,008 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:23:00,015 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 15:23:00,015 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:00,018 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:23:00,018 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-11 15:23:00,029 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:23:00,030 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:23:00,030 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-11 15:23:00,031 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:00,033 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:23:00,033 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-04-11 15:23:00,048 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-11 15:23:00,051 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-11 15:23:00,051 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:00,052 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:23:00,057 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 15:23:00,057 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:26 [2018-04-11 15:23:00,070 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 26 [2018-04-11 15:23:00,071 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-11 15:23:00,071 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:00,075 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:23:00,082 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-11 15:23:00,082 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:40, output treesize:36 [2018-04-11 15:23:00,181 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2018-04-11 15:23:00,185 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-04-11 15:23:00,186 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:00,194 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:23:00,195 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2018-04-11 15:23:00,196 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:00,200 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:23:00,215 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:23:00,215 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:49, output treesize:8 [2018-04-11 15:23:00,238 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:23:00,238 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:23:00,238 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-04-11 15:23:00,238 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-11 15:23:00,239 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-11 15:23:00,239 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2018-04-11 15:23:00,239 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 14 states. [2018-04-11 15:23:00,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:23:00,592 INFO L93 Difference]: Finished difference Result 67 states and 71 transitions. [2018-04-11 15:23:00,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-11 15:23:00,593 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 28 [2018-04-11 15:23:00,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:23:00,593 INFO L225 Difference]: With dead ends: 67 [2018-04-11 15:23:00,593 INFO L226 Difference]: Without dead ends: 67 [2018-04-11 15:23:00,594 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=118, Invalid=532, Unknown=0, NotChecked=0, Total=650 [2018-04-11 15:23:00,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-04-11 15:23:00,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 60. [2018-04-11 15:23:00,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-04-11 15:23:00,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 65 transitions. [2018-04-11 15:23:00,596 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 65 transitions. Word has length 28 [2018-04-11 15:23:00,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:23:00,596 INFO L459 AbstractCegarLoop]: Abstraction has 60 states and 65 transitions. [2018-04-11 15:23:00,596 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-11 15:23:00,596 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2018-04-11 15:23:00,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-11 15:23:00,597 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:23:00,597 INFO L355 BasicCegarLoop]: trace histogram [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, 1] [2018-04-11 15:23:00,597 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 15:23:00,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1420532898, now seen corresponding path program 1 times [2018-04-11 15:23:00,597 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:23:00,597 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:23:00,598 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:23:00,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:23:00,598 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:23:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:23:00,609 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:23:00,612 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:23:00,612 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:23:00,612 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:23:00,613 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:23:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:23:00,647 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:23:00,660 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 15:23:00,660 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:00,666 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 15:23:00,666 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:00,671 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:23:00,671 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-11 15:23:00,689 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:23:00,690 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:23:00,691 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-11 15:23:00,691 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:00,699 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-11 15:23:00,700 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:00,713 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:23:00,713 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-11 15:23:00,737 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-11 15:23:00,739 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-11 15:23:00,740 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:00,741 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:23:00,747 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:23:00,747 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:36, output treesize:32 [2018-04-11 15:23:00,768 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-11 15:23:00,770 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-11 15:23:00,770 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:00,773 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:23:00,778 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 15:23:00,778 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:43, output treesize:39 [2018-04-11 15:23:00,870 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2018-04-11 15:23:00,871 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 1 [2018-04-11 15:23:00,872 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:00,880 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 15 [2018-04-11 15:23:00,881 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-11 15:23:00,884 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 15:23:00,895 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 15:23:00,895 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:56, output treesize:54 [2018-04-11 15:23:00,976 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:23:00,976 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 15:23:00,976 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-11 15:23:00,977 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-11 15:23:00,977 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-11 15:23:00,977 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2018-04-11 15:23:00,977 INFO L87 Difference]: Start difference. First operand 60 states and 65 transitions. Second operand 15 states. [2018-04-11 15:23:02,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:23:02,840 INFO L93 Difference]: Finished difference Result 83 states and 92 transitions. [2018-04-11 15:23:02,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-11 15:23:02,840 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 28 [2018-04-11 15:23:02,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:23:02,841 INFO L225 Difference]: With dead ends: 83 [2018-04-11 15:23:02,841 INFO L226 Difference]: Without dead ends: 83 [2018-04-11 15:23:02,841 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=115, Invalid=641, Unknown=0, NotChecked=0, Total=756 [2018-04-11 15:23:02,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-04-11 15:23:02,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 72. [2018-04-11 15:23:02,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-04-11 15:23:02,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions. [2018-04-11 15:23:02,846 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 81 transitions. Word has length 28 [2018-04-11 15:23:02,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:23:02,846 INFO L459 AbstractCegarLoop]: Abstraction has 72 states and 81 transitions. [2018-04-11 15:23:02,846 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-11 15:23:02,846 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2018-04-11 15:23:02,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-11 15:23:02,847 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:23:02,847 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:23:02,847 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 15:23:02,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1420619804, now seen corresponding path program 1 times [2018-04-11 15:23:02,847 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:23:02,847 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:23:02,848 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:23:02,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:23:02,848 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:23:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:23:02,859 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:23:02,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:23:02,942 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:23:02,942 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-04-11 15:23:02,942 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 15:23:02,942 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 15:23:02,942 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-04-11 15:23:02,942 INFO L87 Difference]: Start difference. First operand 72 states and 81 transitions. Second operand 12 states. [2018-04-11 15:23:03,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:23:03,119 INFO L93 Difference]: Finished difference Result 135 states and 145 transitions. [2018-04-11 15:23:03,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-11 15:23:03,119 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 28 [2018-04-11 15:23:03,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:23:03,120 INFO L225 Difference]: With dead ends: 135 [2018-04-11 15:23:03,120 INFO L226 Difference]: Without dead ends: 135 [2018-04-11 15:23:03,120 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2018-04-11 15:23:03,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-04-11 15:23:03,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 104. [2018-04-11 15:23:03,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-04-11 15:23:03,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 116 transitions. [2018-04-11 15:23:03,124 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 116 transitions. Word has length 28 [2018-04-11 15:23:03,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:23:03,124 INFO L459 AbstractCegarLoop]: Abstraction has 104 states and 116 transitions. [2018-04-11 15:23:03,124 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 15:23:03,124 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 116 transitions. [2018-04-11 15:23:03,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-11 15:23:03,125 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:23:03,125 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:23:03,125 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 15:23:03,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1843321630, now seen corresponding path program 1 times [2018-04-11 15:23:03,125 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:23:03,125 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:23:03,125 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:23:03,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:23:03,126 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:23:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:23:03,133 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:23:03,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:23:03,297 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:23:03,297 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:23:03,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:23:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:23:03,324 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:23:03,327 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 15:23:03,327 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:03,341 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:23:03,341 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-11 15:23:03,382 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-11 15:23:03,383 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-11 15:23:03,383 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:03,385 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:23:03,389 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:23:03,390 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:23 [2018-04-11 15:23:03,535 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2018-04-11 15:23:03,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 15 [2018-04-11 15:23:03,541 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 15:23:03,544 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 15:23:03,551 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 15:23:03,552 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:40, output treesize:54 [2018-04-11 15:23:03,663 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:23:03,663 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 15:23:03,663 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2018-04-11 15:23:03,664 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-11 15:23:03,664 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-11 15:23:03,664 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2018-04-11 15:23:03,665 INFO L87 Difference]: Start difference. First operand 104 states and 116 transitions. Second operand 25 states. [2018-04-11 15:23:04,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:23:04,367 INFO L93 Difference]: Finished difference Result 135 states and 154 transitions. [2018-04-11 15:23:04,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-11 15:23:04,368 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 28 [2018-04-11 15:23:04,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:23:04,369 INFO L225 Difference]: With dead ends: 135 [2018-04-11 15:23:04,369 INFO L226 Difference]: Without dead ends: 135 [2018-04-11 15:23:04,369 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=183, Invalid=1149, Unknown=0, NotChecked=0, Total=1332 [2018-04-11 15:23:04,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-04-11 15:23:04,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 114. [2018-04-11 15:23:04,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-04-11 15:23:04,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 130 transitions. [2018-04-11 15:23:04,374 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 130 transitions. Word has length 28 [2018-04-11 15:23:04,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:23:04,374 INFO L459 AbstractCegarLoop]: Abstraction has 114 states and 130 transitions. [2018-04-11 15:23:04,374 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-11 15:23:04,375 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 130 transitions. [2018-04-11 15:23:04,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-11 15:23:04,375 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:23:04,375 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] [2018-04-11 15:23:04,375 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 15:23:04,376 INFO L82 PathProgramCache]: Analyzing trace with hash -1739552138, now seen corresponding path program 1 times [2018-04-11 15:23:04,376 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:23:04,376 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:23:04,376 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:23:04,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:23:04,377 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:23:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:23:04,385 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:23:04,387 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:23:04,387 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:23:04,387 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:23:04,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:23:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:23:04,401 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:23:04,434 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:23:04,434 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-04-11 15:23:04,439 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-04-11 15:23:04,439 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:04,443 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:23:04,447 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 15:23:04,448 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-11 15:23:04,480 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc8.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc8.base| 1))) (and (= 0 (select .cse0 |c_main_#t~malloc9.base|)) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc9.base| 1) |main_#t~malloc8.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc8.base|))))) is different from true [2018-04-11 15:23:04,485 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc8.base| Int) (|main_#t~malloc9.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc8.base| 1))) (and (= 0 (select .cse0 |main_#t~malloc9.base|)) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc9.base| 1) |main_#t~malloc8.base| 0) |main_#t~malloc9.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc8.base|))))) is different from true [2018-04-11 15:23:04,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:23:04,489 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:23:04,489 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 15:23:04,490 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 15:23:04,490 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 15:23:04,490 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=22, Unknown=2, NotChecked=18, Total=56 [2018-04-11 15:23:04,490 INFO L87 Difference]: Start difference. First operand 114 states and 130 transitions. Second operand 8 states. [2018-04-11 15:23:04,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:23:04,563 INFO L93 Difference]: Finished difference Result 113 states and 129 transitions. [2018-04-11 15:23:04,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 15:23:04,563 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2018-04-11 15:23:04,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:23:04,564 INFO L225 Difference]: With dead ends: 113 [2018-04-11 15:23:04,564 INFO L226 Difference]: Without dead ends: 84 [2018-04-11 15:23:04,564 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=30, Unknown=2, NotChecked=22, Total=72 [2018-04-11 15:23:04,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-04-11 15:23:04,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2018-04-11 15:23:04,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-04-11 15:23:04,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 91 transitions. [2018-04-11 15:23:04,568 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 91 transitions. Word has length 30 [2018-04-11 15:23:04,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:23:04,568 INFO L459 AbstractCegarLoop]: Abstraction has 84 states and 91 transitions. [2018-04-11 15:23:04,568 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 15:23:04,568 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 91 transitions. [2018-04-11 15:23:04,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-11 15:23:04,569 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:23:04,569 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:23:04,569 INFO L408 AbstractCegarLoop]: === Iteration 14 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 15:23:04,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1967697733, now seen corresponding path program 2 times [2018-04-11 15:23:04,570 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:23:04,570 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:23:04,570 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:23:04,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:23:04,571 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:23:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:23:04,579 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:23:04,862 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:23:04,862 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:23:04,862 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:23:04,863 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-11 15:23:04,893 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-11 15:23:04,893 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-11 15:23:04,897 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:23:04,902 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 15:23:04,902 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:04,905 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:23:04,905 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 15:23:04,928 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-11 15:23:04,929 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-11 15:23:04,929 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:04,931 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:23:04,934 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:23:04,934 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2018-04-11 15:23:05,109 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-04-11 15:23:05,117 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 14 [2018-04-11 15:23:05,117 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 15:23:05,121 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 15:23:05,144 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 15:23:05,144 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:35, output treesize:38 [2018-04-11 15:23:05,306 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:23:05,306 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 15:23:05,307 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2018-04-11 15:23:05,307 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-11 15:23:05,307 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-11 15:23:05,308 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2018-04-11 15:23:05,308 INFO L87 Difference]: Start difference. First operand 84 states and 91 transitions. Second operand 27 states. [2018-04-11 15:23:06,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:23:06,189 INFO L93 Difference]: Finished difference Result 119 states and 130 transitions. [2018-04-11 15:23:06,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-11 15:23:06,189 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 33 [2018-04-11 15:23:06,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:23:06,189 INFO L225 Difference]: With dead ends: 119 [2018-04-11 15:23:06,189 INFO L226 Difference]: Without dead ends: 119 [2018-04-11 15:23:06,190 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=253, Invalid=1639, Unknown=0, NotChecked=0, Total=1892 [2018-04-11 15:23:06,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-04-11 15:23:06,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 94. [2018-04-11 15:23:06,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-04-11 15:23:06,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 103 transitions. [2018-04-11 15:23:06,192 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 103 transitions. Word has length 33 [2018-04-11 15:23:06,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:23:06,192 INFO L459 AbstractCegarLoop]: Abstraction has 94 states and 103 transitions. [2018-04-11 15:23:06,192 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-11 15:23:06,192 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 103 transitions. [2018-04-11 15:23:06,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-11 15:23:06,192 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:23:06,193 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:23:06,193 INFO L408 AbstractCegarLoop]: === Iteration 15 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 15:23:06,193 INFO L82 PathProgramCache]: Analyzing trace with hash 239439201, now seen corresponding path program 2 times [2018-04-11 15:23:06,193 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:23:06,193 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:23:06,193 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:23:06,193 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-11 15:23:06,193 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:23:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:23:06,201 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:23:06,212 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:23:06,212 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:23:06,213 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:23:06,213 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-11 15:23:06,235 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-11 15:23:06,235 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-11 15:23:06,238 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:23:06,244 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 15:23:06,244 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:06,250 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 15:23:06,250 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:06,255 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:23:06,255 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:17 [2018-04-11 15:23:06,272 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:23:06,273 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-11 15:23:06,273 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:06,284 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:23:06,285 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:23:06,286 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-11 15:23:06,286 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:06,293 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:23:06,293 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:21 [2018-04-11 15:23:06,314 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-11 15:23:06,319 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-11 15:23:06,319 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:06,320 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:23:06,325 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:23:06,326 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:37, output treesize:30 [2018-04-11 15:23:06,337 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-11 15:23:06,339 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-11 15:23:06,339 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:06,342 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:23:06,347 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 15:23:06,347 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:37 [2018-04-11 15:23:06,446 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2018-04-11 15:23:06,447 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 1 [2018-04-11 15:23:06,447 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:06,453 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 14 [2018-04-11 15:23:06,454 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-11 15:23:06,456 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 15:23:06,462 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 15:23:06,462 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:56, output treesize:46 [2018-04-11 15:23:06,560 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:23:06,561 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 15:23:06,561 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-11 15:23:06,561 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-11 15:23:06,561 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-11 15:23:06,561 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2018-04-11 15:23:06,561 INFO L87 Difference]: Start difference. First operand 94 states and 103 transitions. Second operand 19 states. [2018-04-11 15:23:07,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:23:07,237 INFO L93 Difference]: Finished difference Result 131 states and 142 transitions. [2018-04-11 15:23:07,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-11 15:23:07,237 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 37 [2018-04-11 15:23:07,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:23:07,237 INFO L225 Difference]: With dead ends: 131 [2018-04-11 15:23:07,237 INFO L226 Difference]: Without dead ends: 131 [2018-04-11 15:23:07,238 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=133, Invalid=923, Unknown=0, NotChecked=0, Total=1056 [2018-04-11 15:23:07,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-04-11 15:23:07,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 125. [2018-04-11 15:23:07,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-04-11 15:23:07,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 138 transitions. [2018-04-11 15:23:07,240 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 138 transitions. Word has length 37 [2018-04-11 15:23:07,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:23:07,241 INFO L459 AbstractCegarLoop]: Abstraction has 125 states and 138 transitions. [2018-04-11 15:23:07,241 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-11 15:23:07,241 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 138 transitions. [2018-04-11 15:23:07,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-11 15:23:07,242 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:23:07,242 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:23:07,242 INFO L408 AbstractCegarLoop]: === Iteration 16 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 15:23:07,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1385145474, now seen corresponding path program 3 times [2018-04-11 15:23:07,242 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:23:07,242 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:23:07,243 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:23:07,243 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-11 15:23:07,243 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:23:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:23:07,250 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:23:07,352 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-11 15:23:07,352 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:23:07,352 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:23:07,353 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-11 15:23:07,383 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-04-11 15:23:07,383 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-11 15:23:07,386 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:23:07,408 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 15:23:07,408 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:07,421 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:23:07,421 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 15:23:07,428 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-11 15:23:07,429 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-11 15:23:07,429 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:07,432 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:23:07,433 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:23:07,433 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-04-11 15:23:07,470 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-04-11 15:23:07,475 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 14 [2018-04-11 15:23:07,475 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 15:23:07,477 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 15:23:07,482 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 15:23:07,482 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:32 [2018-04-11 15:23:07,525 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-11 15:23:07,526 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 15:23:07,526 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 16 [2018-04-11 15:23:07,526 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-11 15:23:07,526 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-11 15:23:07,526 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2018-04-11 15:23:07,526 INFO L87 Difference]: Start difference. First operand 125 states and 138 transitions. Second operand 17 states. [2018-04-11 15:23:07,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:23:07,824 INFO L93 Difference]: Finished difference Result 124 states and 135 transitions. [2018-04-11 15:23:07,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-11 15:23:07,824 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 38 [2018-04-11 15:23:07,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:23:07,825 INFO L225 Difference]: With dead ends: 124 [2018-04-11 15:23:07,825 INFO L226 Difference]: Without dead ends: 124 [2018-04-11 15:23:07,826 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 29 SyntacticMatches, 7 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=166, Invalid=646, Unknown=0, NotChecked=0, Total=812 [2018-04-11 15:23:07,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-04-11 15:23:07,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 88. [2018-04-11 15:23:07,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-04-11 15:23:07,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 93 transitions. [2018-04-11 15:23:07,827 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 93 transitions. Word has length 38 [2018-04-11 15:23:07,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:23:07,828 INFO L459 AbstractCegarLoop]: Abstraction has 88 states and 93 transitions. [2018-04-11 15:23:07,828 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-11 15:23:07,828 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 93 transitions. [2018-04-11 15:23:07,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-04-11 15:23:07,829 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:23:07,829 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:23:07,829 INFO L408 AbstractCegarLoop]: === Iteration 17 === [__U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr0RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr3RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr1RequiresViolation, __U_MULTI_fopenbsd_cstrpbrk_alloca_true_valid_memsafety_true_termination_i__cstrpbrkErr2RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 15:23:07,829 INFO L82 PathProgramCache]: Analyzing trace with hash 765789058, now seen corresponding path program 3 times [2018-04-11 15:23:07,829 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:23:07,829 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:23:07,830 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:23:07,830 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-11 15:23:07,830 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:23:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:23:07,836 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:23:07,847 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:23:07,847 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:23:07,847 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:23:07,847 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-11 15:23:07,869 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-04-11 15:23:07,869 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-11 15:23:07,872 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:23:07,875 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 15:23:07,875 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:07,879 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 15:23:07,879 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:07,882 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:23:07,882 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-11 15:23:07,893 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:23:07,894 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-11 15:23:07,894 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:07,905 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:23:07,905 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:23:07,906 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-11 15:23:07,906 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:07,910 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:23:07,910 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-11 15:23:07,926 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-11 15:23:07,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-11 15:23:07,940 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:07,942 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:23:07,947 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:23:07,947 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2018-04-11 15:23:07,963 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 29 [2018-04-11 15:23:07,966 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-11 15:23:07,966 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:07,970 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:23:07,976 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 15:23:07,976 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:32, output treesize:28 [2018-04-11 15:23:08,062 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2018-04-11 15:23:08,068 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 14 [2018-04-11 15:23:08,069 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 15:23:08,075 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 1 [2018-04-11 15:23:08,075 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 15:23:08,090 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 15:23:08,098 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 15:23:08,098 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:45, output treesize:32 [2018-04-11 15:23:08,178 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-04-11 15:23:08,178 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 15:23:08,178 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-11 15:23:08,179 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-11 15:23:08,179 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-11 15:23:08,179 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2018-04-11 15:23:08,179 INFO L87 Difference]: Start difference. First operand 88 states and 93 transitions. Second operand 15 states. [2018-04-11 15:23:08,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:23:08,737 INFO L93 Difference]: Finished difference Result 87 states and 91 transitions. [2018-04-11 15:23:08,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-11 15:23:08,737 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 46 [2018-04-11 15:23:08,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:23:08,737 INFO L225 Difference]: With dead ends: 87 [2018-04-11 15:23:08,737 INFO L226 Difference]: Without dead ends: 0 [2018-04-11 15:23:08,737 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=139, Invalid=617, Unknown=0, NotChecked=0, Total=756 [2018-04-11 15:23:08,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-11 15:23:08,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-11 15:23:08,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-11 15:23:08,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-11 15:23:08,738 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2018-04-11 15:23:08,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:23:08,738 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-11 15:23:08,738 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-11 15:23:08,738 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-11 15:23:08,738 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-11 15:23:08,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 03:23:08 BoogieIcfgContainer [2018-04-11 15:23:08,741 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 15:23:08,742 INFO L168 Benchmark]: Toolchain (without parser) took 10788.52 ms. Allocated memory was 402.7 MB in the beginning and 734.0 MB in the end (delta: 331.4 MB). Free memory was 334.3 MB in the beginning and 687.0 MB in the end (delta: -352.6 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 15:23:08,742 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 402.7 MB. Free memory is still 360.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 15:23:08,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.23 ms. Allocated memory is still 402.7 MB. Free memory was 333.0 MB in the beginning and 308.6 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 5.3 GB. [2018-04-11 15:23:08,742 INFO L168 Benchmark]: Boogie Preprocessor took 37.15 ms. Allocated memory is still 402.7 MB. Free memory was 308.6 MB in the beginning and 307.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-04-11 15:23:08,743 INFO L168 Benchmark]: RCFGBuilder took 350.70 ms. Allocated memory was 402.7 MB in the beginning and 591.9 MB in the end (delta: 189.3 MB). Free memory was 307.2 MB in the beginning and 529.3 MB in the end (delta: -222.0 MB). Peak memory consumption was 24.4 MB. Max. memory is 5.3 GB. [2018-04-11 15:23:08,743 INFO L168 Benchmark]: TraceAbstraction took 10163.09 ms. Allocated memory was 591.9 MB in the beginning and 734.0 MB in the end (delta: 142.1 MB). Free memory was 527.9 MB in the beginning and 687.0 MB in the end (delta: -159.1 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 15:23:08,744 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 402.7 MB. Free memory is still 360.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 235.23 ms. Allocated memory is still 402.7 MB. Free memory was 333.0 MB in the beginning and 308.6 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 37.15 ms. Allocated memory is still 402.7 MB. Free memory was 308.6 MB in the beginning and 307.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 350.70 ms. Allocated memory was 402.7 MB in the beginning and 591.9 MB in the end (delta: 189.3 MB). Free memory was 307.2 MB in the beginning and 529.3 MB in the end (delta: -222.0 MB). Peak memory consumption was 24.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 10163.09 ms. Allocated memory was 591.9 MB in the beginning and 734.0 MB in the end (delta: 142.1 MB). Free memory was 527.9 MB in the beginning and 687.0 MB in the end (delta: -159.1 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 545]: 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: 545]: 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: 564]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 564]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 53 locations, 9 error locations. SAFE Result, 10.1s OverallTime, 17 OverallIterations, 4 TraceHistogramMax, 6.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 550 SDtfs, 986 SDslu, 3183 SDs, 0 SdLazy, 2766 SolverSat, 203 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 496 GetRequests, 192 SyntacticMatches, 10 SemanticMatches, 294 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1128 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 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, 17 MinimizatonAttempts, 146 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 728 NumberOfCodeBlocks, 728 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 513 ConstructedInterpolants, 71 QuantifiedInterpolants, 193748 SizeOfPredicates, 110 NumberOfNonLiveVariables, 1394 ConjunctsInSsa, 336 ConjunctsInUnsatCore, 20 InterpolantComputations, 11 PerfectInterpolantSequences, 36/123 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_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_15-23-08-750.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrpbrk-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_15-23-08-750.csv Received shutdown request...