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_cstrlen-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-13 04:26:00,840 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-13 04:26:00,841 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-13 04:26:00,853 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-13 04:26:00,853 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-13 04:26:00,854 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-13 04:26:00,854 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-13 04:26:00,856 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-13 04:26:00,857 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-13 04:26:00,858 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-13 04:26:00,858 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-13 04:26:00,859 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-13 04:26:00,859 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-13 04:26:00,860 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-13 04:26:00,861 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-13 04:26:00,863 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-13 04:26:00,864 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-13 04:26:00,866 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-13 04:26:00,867 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-13 04:26:00,868 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-13 04:26:00,869 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-13 04:26:00,874 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-13 04:26:00,874 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-13 04:26:00,874 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 [2018-04-13 04:26:00,884 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-13 04:26:00,884 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-13 04:26:00,885 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-13 04:26:00,885 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-13 04:26:00,885 INFO L133 SettingsManager]: * Use SBE=true [2018-04-13 04:26:00,886 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-13 04:26:00,886 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-13 04:26:00,886 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-13 04:26:00,886 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-13 04:26:00,886 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-13 04:26:00,886 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-13 04:26:00,887 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-13 04:26:00,887 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-13 04:26:00,887 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-13 04:26:00,887 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-13 04:26:00,887 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-13 04:26:00,887 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-13 04:26:00,888 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-13 04:26:00,888 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-13 04:26:00,888 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-13 04:26:00,888 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-13 04:26:00,888 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-13 04:26:00,888 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-13 04:26:00,889 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-13 04:26:00,917 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-13 04:26:00,929 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-13 04:26:00,932 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-13 04:26:00,935 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-13 04:26:00,935 INFO L276 PluginConnector]: CDTParser initialized [2018-04-13 04:26:00,936 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,238 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG0536438d8 [2018-04-13 04:26:01,398 INFO L287 CDTParser]: IsIndexed: true [2018-04-13 04:26:01,398 INFO L288 CDTParser]: Found 1 translation units. [2018-04-13 04:26:01,399 INFO L168 CDTParser]: Scanning openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,406 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-13 04:26:01,406 INFO L215 ultiparseSymbolTable]: [2018-04-13 04:26:01,406 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-13 04:26:01,406 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,407 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,407 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,407 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen ('cstrlen') in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,407 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-13 04:26:01,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,414 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:01,426 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG0536438d8 [2018-04-13 04:26:01,430 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-13 04:26:01,431 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-13 04:26:01,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-13 04:26:01,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-13 04:26:01,434 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-13 04:26:01,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 04:26:01" (1/1) ... [2018-04-13 04:26:01,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@494b7f40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:26:01, skipping insertion in model container [2018-04-13 04:26:01,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 04:26:01" (1/1) ... [2018-04-13 04:26:01,451 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-13 04:26:01,473 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-13 04:26:01,581 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-13 04:26:01,611 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-13 04:26:01,618 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-13 04:26:01,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:26:01 WrapperNode [2018-04-13 04:26:01,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-13 04:26:01,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-13 04:26:01,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-13 04:26:01,661 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-13 04:26:01,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:26:01" (1/1) ... [2018-04-13 04:26:01,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:26:01" (1/1) ... [2018-04-13 04:26:01,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:26:01" (1/1) ... [2018-04-13 04:26:01,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:26:01" (1/1) ... [2018-04-13 04:26:01,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:26:01" (1/1) ... [2018-04-13 04:26:01,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:26:01" (1/1) ... [2018-04-13 04:26:01,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:26:01" (1/1) ... [2018-04-13 04:26:01,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-13 04:26:01,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-13 04:26:01,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-13 04:26:01,709 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-13 04:26:01,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:26:01" (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 [2018-04-13 04:26:01,836 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-13 04:26:01,836 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-13 04:26:01,836 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-13 04:26:01,836 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-13 04:26:01,836 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen [2018-04-13 04:26:01,836 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-13 04:26:01,836 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-13 04:26:01,836 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-13 04:26:01,837 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-13 04:26:01,837 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-13 04:26:01,837 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-13 04:26:01,837 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-13 04:26:01,837 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-13 04:26:01,837 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-13 04:26:01,837 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-13 04:26:01,837 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-13 04:26:01,837 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-13 04:26:01,837 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-13 04:26:01,838 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-13 04:26:01,838 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-13 04:26:01,838 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-13 04:26:01,838 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-13 04:26:01,838 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-13 04:26:01,838 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-13 04:26:01,838 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-13 04:26:01,838 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-13 04:26:01,838 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-13 04:26:01,838 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-13 04:26:01,838 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-13 04:26:01,839 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-13 04:26:01,839 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-13 04:26:01,839 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-13 04:26:01,839 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-13 04:26:01,839 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-13 04:26:01,839 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-13 04:26:01,839 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-13 04:26:01,839 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-13 04:26:01,839 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-13 04:26:01,839 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-13 04:26:01,840 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-13 04:26:01,840 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-13 04:26:01,840 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-13 04:26:01,840 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-13 04:26:01,840 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-13 04:26:01,840 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-13 04:26:01,840 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-13 04:26:01,840 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-13 04:26:01,840 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-13 04:26:01,840 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-13 04:26:01,841 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-13 04:26:01,841 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-13 04:26:01,841 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-13 04:26:01,841 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-13 04:26:01,841 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-13 04:26:01,841 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-13 04:26:01,841 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-13 04:26:01,841 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-13 04:26:01,841 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-13 04:26:01,841 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-13 04:26:01,841 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-13 04:26:01,842 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-13 04:26:01,842 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-13 04:26:01,842 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-13 04:26:01,842 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-13 04:26:01,842 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-13 04:26:01,842 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-13 04:26:01,842 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-13 04:26:01,842 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-13 04:26:01,842 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-13 04:26:01,842 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-13 04:26:01,842 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-13 04:26:01,843 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-13 04:26:01,843 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-13 04:26:01,843 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-13 04:26:01,843 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-13 04:26:01,843 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-13 04:26:01,843 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-13 04:26:01,843 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-13 04:26:01,843 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-13 04:26:01,843 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-13 04:26:01,843 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-13 04:26:01,843 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-13 04:26:01,844 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-13 04:26:01,844 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-13 04:26:01,844 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-13 04:26:01,846 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-13 04:26:01,846 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-13 04:26:01,846 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-13 04:26:01,846 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-13 04:26:01,846 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-13 04:26:01,846 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-13 04:26:01,846 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-13 04:26:01,846 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-13 04:26:01,847 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-13 04:26:01,847 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-13 04:26:01,847 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-13 04:26:01,847 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-13 04:26:01,847 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-13 04:26:01,847 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-13 04:26:01,847 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-13 04:26:01,847 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-13 04:26:01,847 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-13 04:26:01,847 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-13 04:26:01,848 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-13 04:26:01,848 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-13 04:26:01,848 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-13 04:26:01,848 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-13 04:26:01,848 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-13 04:26:01,848 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-13 04:26:01,848 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen [2018-04-13 04:26:01,848 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-13 04:26:01,848 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-13 04:26:01,848 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-13 04:26:01,849 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-13 04:26:01,849 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-13 04:26:01,849 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-13 04:26:01,849 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-13 04:26:01,849 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-13 04:26:02,180 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-13 04:26:02,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 04:26:02 BoogieIcfgContainer [2018-04-13 04:26:02,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-13 04:26:02,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-13 04:26:02,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-13 04:26:02,184 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-13 04:26:02,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 04:26:01" (1/3) ... [2018-04-13 04:26:02,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38928f79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 04:26:02, skipping insertion in model container [2018-04-13 04:26:02,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 04:26:01" (2/3) ... [2018-04-13 04:26:02,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38928f79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 04:26:02, skipping insertion in model container [2018-04-13 04:26:02,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 04:26:02" (3/3) ... [2018-04-13 04:26:02,188 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-13 04:26:02,196 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-13 04:26:02,203 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-04-13 04:26:02,238 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-13 04:26:02,239 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-13 04:26:02,239 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-13 04:26:02,239 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-13 04:26:02,239 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-13 04:26:02,239 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-13 04:26:02,239 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-13 04:26:02,239 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-13 04:26:02,239 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-13 04:26:02,240 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-13 04:26:02,253 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2018-04-13 04:26:02,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-13 04:26:02,262 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:26:02,263 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 04:26:02,263 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:26:02,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1666854936, now seen corresponding path program 1 times [2018-04-13 04:26:02,269 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:26:02,270 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:26:02,308 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:26:02,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:26:02,308 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:26:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:26:02,343 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:26:02,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:26:02,380 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 04:26:02,380 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-13 04:26:02,381 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-13 04:26:02,394 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-13 04:26:02,395 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-13 04:26:02,397 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 4 states. [2018-04-13 04:26:02,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:26:02,451 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2018-04-13 04:26:02,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-13 04:26:02,453 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-04-13 04:26:02,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:26:02,460 INFO L225 Difference]: With dead ends: 30 [2018-04-13 04:26:02,460 INFO L226 Difference]: Without dead ends: 27 [2018-04-13 04:26:02,461 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 [2018-04-13 04:26:02,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-04-13 04:26:02,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-04-13 04:26:02,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-04-13 04:26:02,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2018-04-13 04:26:02,484 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 10 [2018-04-13 04:26:02,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:26:02,484 INFO L459 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2018-04-13 04:26:02,485 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-13 04:26:02,485 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-04-13 04:26:02,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-13 04:26:02,485 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:26:02,485 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 04:26:02,485 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:26:02,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1666854937, now seen corresponding path program 1 times [2018-04-13 04:26:02,485 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:26:02,485 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:26:02,486 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:26:02,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:26:02,486 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:26:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:26:02,497 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:26:02,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:26:02,539 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 04:26:02,539 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-13 04:26:02,540 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 04:26:02,541 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 04:26:02,541 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-13 04:26:02,541 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 5 states. [2018-04-13 04:26:02,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:26:02,571 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2018-04-13 04:26:02,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 04:26:02,571 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-04-13 04:26:02,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:26:02,572 INFO L225 Difference]: With dead ends: 26 [2018-04-13 04:26:02,572 INFO L226 Difference]: Without dead ends: 26 [2018-04-13 04:26:02,572 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 [2018-04-13 04:26:02,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-04-13 04:26:02,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-04-13 04:26:02,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-04-13 04:26:02,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2018-04-13 04:26:02,575 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 10 [2018-04-13 04:26:02,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:26:02,575 INFO L459 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2018-04-13 04:26:02,576 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 04:26:02,576 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2018-04-13 04:26:02,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-13 04:26:02,576 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:26:02,576 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 04:26:02,576 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:26:02,577 INFO L82 PathProgramCache]: Analyzing trace with hash -870578270, now seen corresponding path program 1 times [2018-04-13 04:26:02,577 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:26:02,577 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:26:02,577 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:26:02,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:26:02,578 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:26:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:26:02,588 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:26:02,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:26:02,627 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 04:26:02,627 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-13 04:26:02,627 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 04:26:02,628 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 04:26:02,628 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-13 04:26:02,628 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 5 states. [2018-04-13 04:26:02,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:26:02,658 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2018-04-13 04:26:02,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 04:26:02,659 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-13 04:26:02,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:26:02,659 INFO L225 Difference]: With dead ends: 25 [2018-04-13 04:26:02,659 INFO L226 Difference]: Without dead ends: 25 [2018-04-13 04:26:02,659 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-13 04:26:02,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-04-13 04:26:02,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-04-13 04:26:02,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-04-13 04:26:02,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2018-04-13 04:26:02,662 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 14 [2018-04-13 04:26:02,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:26:02,662 INFO L459 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2018-04-13 04:26:02,662 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 04:26:02,663 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-04-13 04:26:02,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-13 04:26:02,663 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:26:02,663 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 04:26:02,663 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:26:02,663 INFO L82 PathProgramCache]: Analyzing trace with hash -870578269, now seen corresponding path program 1 times [2018-04-13 04:26:02,663 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:26:02,663 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:26:02,664 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:26:02,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:26:02,664 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:26:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:26:02,671 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:26:02,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:26:02,721 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 04:26:02,721 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-13 04:26:02,721 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-13 04:26:02,721 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-13 04:26:02,722 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-13 04:26:02,722 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 8 states. [2018-04-13 04:26:02,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:26:02,784 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2018-04-13 04:26:02,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-13 04:26:02,784 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2018-04-13 04:26:02,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:26:02,786 INFO L225 Difference]: With dead ends: 32 [2018-04-13 04:26:02,786 INFO L226 Difference]: Without dead ends: 32 [2018-04-13 04:26:02,787 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-04-13 04:26:02,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-04-13 04:26:02,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 27. [2018-04-13 04:26:02,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-04-13 04:26:02,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2018-04-13 04:26:02,790 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 14 [2018-04-13 04:26:02,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:26:02,790 INFO L459 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2018-04-13 04:26:02,790 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-13 04:26:02,790 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-04-13 04:26:02,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-13 04:26:02,791 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:26:02,791 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 04:26:02,791 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:26:02,791 INFO L82 PathProgramCache]: Analyzing trace with hash -911327578, now seen corresponding path program 1 times [2018-04-13 04:26:02,792 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:26:02,792 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:26:02,792 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:26:02,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:26:02,793 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:26:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:26:02,805 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:26:02,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:26:02,880 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 04:26:02,880 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-13 04:26:02,880 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-13 04:26:02,880 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-13 04:26:02,881 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-13 04:26:02,881 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 9 states. [2018-04-13 04:26:02,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:26:02,968 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2018-04-13 04:26:02,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-13 04:26:02,969 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2018-04-13 04:26:02,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:26:02,969 INFO L225 Difference]: With dead ends: 43 [2018-04-13 04:26:02,969 INFO L226 Difference]: Without dead ends: 43 [2018-04-13 04:26:02,969 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2018-04-13 04:26:02,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-04-13 04:26:02,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 38. [2018-04-13 04:26:02,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-04-13 04:26:02,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2018-04-13 04:26:02,972 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 18 [2018-04-13 04:26:02,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:26:02,972 INFO L459 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2018-04-13 04:26:02,972 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-13 04:26:02,972 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2018-04-13 04:26:02,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-13 04:26:02,972 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:26:02,972 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 04:26:02,972 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:26:02,972 INFO L82 PathProgramCache]: Analyzing trace with hash -653162140, now seen corresponding path program 1 times [2018-04-13 04:26:02,972 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:26:02,973 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:26:02,973 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:26:02,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:26:02,973 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:26:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:26:02,980 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:26:03,095 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:26:03,095 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 04:26:03,095 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 04:26:03,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:26:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:26:03,127 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 04:26:03,150 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 [2018-04-13 04:26:03,152 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 04:26:03,165 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:26:03,165 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 04:26:03,189 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 [2018-04-13 04:26:03,191 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 [2018-04-13 04:26:03,191 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 04:26:03,193 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:26:03,207 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:26:03,208 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:27, output treesize:23 [2018-04-13 04:26:03,263 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 20 treesize of output 16 [2018-04-13 04:26:03,273 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 16 treesize of output 13 [2018-04-13 04:26:03,273 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 04:26:03,276 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 04:26:03,288 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 04:26:03,289 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:54 [2018-04-13 04:26:03,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:26:03,362 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-13 04:26:03,362 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17 [2018-04-13 04:26:03,363 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-13 04:26:03,363 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-13 04:26:03,363 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2018-04-13 04:26:03,363 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand 18 states. [2018-04-13 04:26:03,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:26:03,707 INFO L93 Difference]: Finished difference Result 50 states and 53 transitions. [2018-04-13 04:26:03,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-13 04:26:03,708 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 18 [2018-04-13 04:26:03,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:26:03,709 INFO L225 Difference]: With dead ends: 50 [2018-04-13 04:26:03,709 INFO L226 Difference]: Without dead ends: 50 [2018-04-13 04:26:03,709 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=106, Invalid=544, Unknown=0, NotChecked=0, Total=650 [2018-04-13 04:26:03,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-13 04:26:03,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 42. [2018-04-13 04:26:03,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-04-13 04:26:03,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2018-04-13 04:26:03,712 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 18 [2018-04-13 04:26:03,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:26:03,712 INFO L459 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2018-04-13 04:26:03,712 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-13 04:26:03,712 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2018-04-13 04:26:03,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-13 04:26:03,713 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:26:03,713 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 04:26:03,713 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:26:03,713 INFO L82 PathProgramCache]: Analyzing trace with hash -739684335, now seen corresponding path program 1 times [2018-04-13 04:26:03,713 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:26:03,713 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:26:03,714 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:26:03,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:26:03,714 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:26:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:26:03,726 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:26:03,730 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 04:26:03,730 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 04:26:03,730 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 04:26:03,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:26:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:26:03,750 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 04:26:03,767 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 04:26:03,768 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 5 [2018-04-13 04:26:03,768 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 04:26:03,769 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. [2018-04-13 04:26:03,770 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-04-13 04:26:03,785 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc5.base| Int)) (and (= |c_#valid| (store |c_old(#valid)| |main_#t~malloc5.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc5.base|)))) is different from true [2018-04-13 04:26:03,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:26:03,787 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 04:26:03,787 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-13 04:26:03,788 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-13 04:26:03,788 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-13 04:26:03,788 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=13, Unknown=1, NotChecked=6, Total=30 [2018-04-13 04:26:03,788 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 6 states. [2018-04-13 04:26:03,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:26:03,820 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2018-04-13 04:26:03,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 04:26:03,820 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-04-13 04:26:03,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:26:03,820 INFO L225 Difference]: With dead ends: 41 [2018-04-13 04:26:03,821 INFO L226 Difference]: Without dead ends: 23 [2018-04-13 04:26:03,821 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=28, Unknown=1, NotChecked=10, Total=56 [2018-04-13 04:26:03,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-04-13 04:26:03,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-04-13 04:26:03,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-04-13 04:26:03,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2018-04-13 04:26:03,822 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 22 [2018-04-13 04:26:03,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:26:03,823 INFO L459 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2018-04-13 04:26:03,823 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-13 04:26:03,823 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2018-04-13 04:26:03,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-13 04:26:03,823 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:26:03,823 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 04:26:03,823 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:26:03,823 INFO L82 PathProgramCache]: Analyzing trace with hash 2023421927, now seen corresponding path program 2 times [2018-04-13 04:26:03,823 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:26:03,823 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:26:03,824 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:26:03,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 04:26:03,824 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:26:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:26:03,832 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:26:03,962 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:26:03,963 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 04:26:03,963 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 04:26:03,963 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-13 04:26:03,983 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-13 04:26:03,983 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 04:26:03,985 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 04:26:03,988 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 [2018-04-13 04:26:03,989 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 04:26:03,991 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:26:03,991 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 04:26:03,996 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 [2018-04-13 04:26:03,998 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 [2018-04-13 04:26:03,998 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 04:26:03,999 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:26:04,000 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:26:04,001 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2018-04-13 04:26:04,059 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 19 treesize of output 15 [2018-04-13 04:26:04,064 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 15 treesize of output 12 [2018-04-13 04:26:04,064 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 04:26:04,066 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 04:26:04,072 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 04:26:04,073 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:35, output treesize:40 [2018-04-13 04:26:04,138 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 04:26:04,138 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-13 04:26:04,138 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 18 [2018-04-13 04:26:04,138 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-13 04:26:04,138 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-13 04:26:04,139 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2018-04-13 04:26:04,139 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 19 states. [2018-04-13 04:26:04,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:26:04,370 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2018-04-13 04:26:04,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-13 04:26:04,371 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 22 [2018-04-13 04:26:04,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:26:04,371 INFO L225 Difference]: With dead ends: 29 [2018-04-13 04:26:04,371 INFO L226 Difference]: Without dead ends: 29 [2018-04-13 04:26:04,372 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=595, Unknown=0, NotChecked=0, Total=702 [2018-04-13 04:26:04,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-04-13 04:26:04,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2018-04-13 04:26:04,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-04-13 04:26:04,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2018-04-13 04:26:04,373 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 22 [2018-04-13 04:26:04,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:26:04,373 INFO L459 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2018-04-13 04:26:04,373 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-13 04:26:04,373 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2018-04-13 04:26:04,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-13 04:26:04,374 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 04:26:04,374 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 04:26:04,374 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr1RequiresViolation, __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlenErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-13 04:26:04,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1089694954, now seen corresponding path program 3 times [2018-04-13 04:26:04,374 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 04:26:04,374 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 04:26:04,374 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:26:04,375 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 04:26:04,375 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 04:26:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 04:26:04,383 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 04:26:04,469 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-13 04:26:04,469 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 04:26:04,469 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 04:26:04,469 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-13 04:26:04,487 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-04-13 04:26:04,487 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 04:26:04,490 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 04:26:04,493 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 [2018-04-13 04:26:04,493 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 04:26:04,496 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:26:04,496 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 04:26:04,503 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 [2018-04-13 04:26:04,506 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 [2018-04-13 04:26:04,506 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 04:26:04,508 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:26:04,509 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 04:26:04,510 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-04-13 04:26:04,560 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 19 treesize of output 15 [2018-04-13 04:26:04,568 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 15 treesize of output 12 [2018-04-13 04:26:04,569 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 04:26:04,572 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 04:26:04,578 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-13 04:26:04,579 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:34 [2018-04-13 04:26:04,608 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-04-13 04:26:04,609 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-13 04:26:04,609 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 12 [2018-04-13 04:26:04,609 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-13 04:26:04,609 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-13 04:26:04,609 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-04-13 04:26:04,610 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 13 states. [2018-04-13 04:26:04,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 04:26:04,790 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2018-04-13 04:26:04,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-13 04:26:04,790 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 26 [2018-04-13 04:26:04,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 04:26:04,790 INFO L225 Difference]: With dead ends: 26 [2018-04-13 04:26:04,790 INFO L226 Difference]: Without dead ends: 0 [2018-04-13 04:26:04,791 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 18 SyntacticMatches, 7 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2018-04-13 04:26:04,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-13 04:26:04,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-13 04:26:04,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-13 04:26:04,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-13 04:26:04,791 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-04-13 04:26:04,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 04:26:04,791 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-13 04:26:04,792 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-13 04:26:04,792 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-13 04:26:04,792 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-13 04:26:04,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.04 04:26:04 BoogieIcfgContainer [2018-04-13 04:26:04,795 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-13 04:26:04,795 INFO L168 Benchmark]: Toolchain (without parser) took 3365.27 ms. Allocated memory was 398.5 MB in the beginning and 681.6 MB in the end (delta: 283.1 MB). Free memory was 330.8 MB in the beginning and 497.9 MB in the end (delta: -167.1 MB). Peak memory consumption was 116.0 MB. Max. memory is 5.3 GB. [2018-04-13 04:26:04,796 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 398.5 MB. Free memory is still 359.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-13 04:26:04,797 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.02 ms. Allocated memory is still 398.5 MB. Free memory was 330.8 MB in the beginning and 307.0 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. [2018-04-13 04:26:04,797 INFO L168 Benchmark]: Boogie Preprocessor took 47.33 ms. Allocated memory is still 398.5 MB. Free memory was 307.0 MB in the beginning and 304.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-13 04:26:04,797 INFO L168 Benchmark]: RCFGBuilder took 471.64 ms. Allocated memory was 398.5 MB in the beginning and 611.8 MB in the end (delta: 213.4 MB). Free memory was 304.4 MB in the beginning and 551.6 MB in the end (delta: -247.2 MB). Peak memory consumption was 24.4 MB. Max. memory is 5.3 GB. [2018-04-13 04:26:04,798 INFO L168 Benchmark]: TraceAbstraction took 2613.63 ms. Allocated memory was 611.8 MB in the beginning and 681.6 MB in the end (delta: 69.7 MB). Free memory was 551.6 MB in the beginning and 497.9 MB in the end (delta: 53.7 MB). Peak memory consumption was 123.5 MB. Max. memory is 5.3 GB. [2018-04-13 04:26:04,800 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 398.5 MB. Free memory is still 359.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 230.02 ms. Allocated memory is still 398.5 MB. Free memory was 330.8 MB in the beginning and 307.0 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 47.33 ms. Allocated memory is still 398.5 MB. Free memory was 307.0 MB in the beginning and 304.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 471.64 ms. Allocated memory was 398.5 MB in the beginning and 611.8 MB in the end (delta: 213.4 MB). Free memory was 304.4 MB in the beginning and 551.6 MB in the end (delta: -247.2 MB). Peak memory consumption was 24.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2613.63 ms. Allocated memory was 611.8 MB in the beginning and 681.6 MB in the end (delta: 69.7 MB). Free memory was 551.6 MB in the beginning and 497.9 MB in the end (delta: 53.7 MB). Peak memory consumption was 123.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 37 locations, 5 error locations. SAFE Result, 2.5s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 166 SDtfs, 240 SDslu, 607 SDs, 0 SdLazy, 581 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 178 GetRequests, 62 SyntacticMatches, 11 SemanticMatches, 105 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=6, 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, 9 MinimizatonAttempts, 20 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 242 NumberOfCodeBlocks, 242 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 208 ConstructedInterpolants, 12 QuantifiedInterpolants, 34005 SizeOfPredicates, 24 NumberOfNonLiveVariables, 347 ConjunctsInSsa, 91 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 14/58 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_cstrlen-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-13_04-26-04-808.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-13_04-26-04-808.csv Received shutdown request...