java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-12 02:51:27,217 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 02:51:27,219 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 02:51:27,232 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 02:51:27,233 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 02:51:27,233 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 02:51:27,234 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 02:51:27,236 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 02:51:27,238 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 02:51:27,239 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 02:51:27,239 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 02:51:27,240 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 02:51:27,240 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 02:51:27,241 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 02:51:27,242 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 02:51:27,244 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 02:51:27,245 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 02:51:27,247 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 02:51:27,247 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 02:51:27,248 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 02:51:27,250 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-12 02:51:27,254 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-12 02:51:27,255 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-12 02:51:27,255 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf [2018-04-12 02:51:27,277 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 02:51:27,277 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 02:51:27,278 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 02:51:27,278 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 02:51:27,279 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 02:51:27,279 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 02:51:27,279 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 02:51:27,279 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 02:51:27,279 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 02:51:27,279 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 02:51:27,279 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 02:51:27,280 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 02:51:27,280 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 02:51:27,280 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 02:51:27,280 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 02:51:27,280 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 02:51:27,280 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 02:51:27,281 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 02:51:27,281 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 02:51:27,281 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 02:51:27,281 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 02:51:27,281 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-12 02:51:27,311 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 02:51:27,322 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 02:51:27,326 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 02:51:27,328 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 02:51:27,328 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 02:51:27,329 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 [2018-04-12 02:51:27,635 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG96dcf1562 [2018-04-12 02:51:27,772 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 02:51:27,772 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 02:51:27,772 INFO L168 CDTParser]: Scanning openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:27,780 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 02:51:27,780 INFO L215 ultiparseSymbolTable]: [2018-04-12 02:51:27,780 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 02:51:27,780 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 [2018-04-12 02:51:27,780 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:27,780 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 [2018-04-12 02:51:27,780 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 [2018-04-12 02:51:27,781 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 02:51:27,781 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 [2018-04-12 02:51:27,781 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 [2018-04-12 02:51:27,781 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 [2018-04-12 02:51:27,781 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 [2018-04-12 02:51:27,781 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 [2018-04-12 02:51:27,781 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 [2018-04-12 02:51:27,781 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 [2018-04-12 02:51:27,781 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 [2018-04-12 02:51:27,781 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 [2018-04-12 02:51:27,781 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 [2018-04-12 02:51:27,782 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 [2018-04-12 02:51:27,782 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 [2018-04-12 02:51:27,782 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 [2018-04-12 02:51:27,782 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 [2018-04-12 02:51:27,782 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 [2018-04-12 02:51:27,782 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 [2018-04-12 02:51:27,782 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 [2018-04-12 02:51:27,782 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 [2018-04-12 02:51:27,782 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 [2018-04-12 02:51:27,782 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 [2018-04-12 02:51:27,782 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 [2018-04-12 02:51:27,782 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 [2018-04-12 02:51:27,782 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 [2018-04-12 02:51:27,782 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 [2018-04-12 02:51:27,782 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 [2018-04-12 02:51:27,782 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 [2018-04-12 02:51:27,782 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 [2018-04-12 02:51:27,782 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 [2018-04-12 02:51:27,783 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 [2018-04-12 02:51:27,783 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 [2018-04-12 02:51:27,783 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 [2018-04-12 02:51:27,783 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 [2018-04-12 02:51:27,783 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 [2018-04-12 02:51:27,783 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 [2018-04-12 02:51:27,783 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 [2018-04-12 02:51:27,783 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 [2018-04-12 02:51:27,783 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 [2018-04-12 02:51:27,783 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 [2018-04-12 02:51:27,783 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 [2018-04-12 02:51:27,783 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 [2018-04-12 02:51:27,784 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 [2018-04-12 02:51:27,784 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 [2018-04-12 02:51:27,784 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 [2018-04-12 02:51:27,784 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 [2018-04-12 02:51:27,784 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 [2018-04-12 02:51:27,784 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 [2018-04-12 02:51:27,784 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 [2018-04-12 02:51:27,784 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 [2018-04-12 02:51:27,784 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 [2018-04-12 02:51:27,784 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 [2018-04-12 02:51:27,784 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 [2018-04-12 02:51:27,785 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 [2018-04-12 02:51:27,785 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 [2018-04-12 02:51:27,785 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 [2018-04-12 02:51:27,785 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 [2018-04-12 02:51:27,785 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 [2018-04-12 02:51:27,785 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 [2018-04-12 02:51:27,785 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 [2018-04-12 02:51:27,785 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 [2018-04-12 02:51:27,785 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 [2018-04-12 02:51:27,785 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 [2018-04-12 02:51:27,785 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 [2018-04-12 02:51:27,785 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 [2018-04-12 02:51:27,786 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 [2018-04-12 02:51:27,786 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 [2018-04-12 02:51:27,786 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 [2018-04-12 02:51:27,786 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 [2018-04-12 02:51:27,786 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 [2018-04-12 02:51:27,786 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 [2018-04-12 02:51:27,786 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 [2018-04-12 02:51:27,786 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 [2018-04-12 02:51:27,786 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 [2018-04-12 02:51:27,786 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 [2018-04-12 02:51:27,786 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 [2018-04-12 02:51:27,786 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 [2018-04-12 02:51:27,786 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 [2018-04-12 02:51:27,787 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 [2018-04-12 02:51:27,787 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 [2018-04-12 02:51:27,787 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 [2018-04-12 02:51:27,787 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 [2018-04-12 02:51:27,787 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 [2018-04-12 02:51:27,787 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 [2018-04-12 02:51:27,787 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 [2018-04-12 02:51:27,787 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 [2018-04-12 02:51:27,787 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 [2018-04-12 02:51:27,787 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 [2018-04-12 02:51:27,787 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 [2018-04-12 02:51:27,787 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 [2018-04-12 02:51:27,788 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 [2018-04-12 02:51:27,788 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 [2018-04-12 02:51:27,788 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 [2018-04-12 02:51:27,788 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 [2018-04-12 02:51:27,788 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 [2018-04-12 02:51:27,788 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 [2018-04-12 02:51:27,788 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 [2018-04-12 02:51:27,788 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 [2018-04-12 02:51:27,788 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 [2018-04-12 02:51:27,788 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 [2018-04-12 02:51:27,788 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 [2018-04-12 02:51:27,789 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 [2018-04-12 02:51:27,789 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 [2018-04-12 02:51:27,789 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 [2018-04-12 02:51:27,789 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 [2018-04-12 02:51:27,789 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 [2018-04-12 02:51:27,789 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 [2018-04-12 02:51:27,789 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 [2018-04-12 02:51:27,789 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 [2018-04-12 02:51:27,789 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 [2018-04-12 02:51:27,789 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 [2018-04-12 02:51:27,789 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 [2018-04-12 02:51:27,790 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 [2018-04-12 02:51:27,790 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 [2018-04-12 02:51:27,790 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 [2018-04-12 02:51:27,790 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 [2018-04-12 02:51:27,790 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 [2018-04-12 02:51:27,790 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 [2018-04-12 02:51:27,790 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 [2018-04-12 02:51:27,790 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 [2018-04-12 02:51:27,790 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 [2018-04-12 02:51:27,790 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 [2018-04-12 02:51:27,804 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG96dcf1562 [2018-04-12 02:51:27,807 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 02:51:27,808 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 02:51:27,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 02:51:27,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 02:51:27,812 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 02:51:27,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 02:51:27" (1/1) ... [2018-04-12 02:51:27,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75405684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:27, skipping insertion in model container [2018-04-12 02:51:27,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 02:51:27" (1/1) ... [2018-04-12 02:51:27,825 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 02:51:27,849 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 02:51:27,968 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 02:51:28,003 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 02:51:28,010 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-12 02:51:28,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:28 WrapperNode [2018-04-12 02:51:28,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 02:51:28,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 02:51:28,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 02:51:28,042 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 02:51:28,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:28" (1/1) ... [2018-04-12 02:51:28,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:28" (1/1) ... [2018-04-12 02:51:28,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:28" (1/1) ... [2018-04-12 02:51:28,062 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:28" (1/1) ... [2018-04-12 02:51:28,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:28" (1/1) ... [2018-04-12 02:51:28,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:28" (1/1) ... [2018-04-12 02:51:28,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:28" (1/1) ... [2018-04-12 02:51:28,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 02:51:28,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 02:51:28,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 02:51:28,079 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 02:51:28,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:28" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 02:51:28,208 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 02:51:28,208 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 02:51:28,208 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 02:51:28,208 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 02:51:28,209 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen [2018-04-12 02:51:28,209 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 02:51:28,209 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 02:51:28,209 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 02:51:28,209 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 02:51:28,209 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 02:51:28,209 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 02:51:28,209 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 02:51:28,209 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 02:51:28,210 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 02:51:28,210 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 02:51:28,210 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 02:51:28,210 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 02:51:28,210 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 02:51:28,210 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 02:51:28,210 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 02:51:28,210 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 02:51:28,210 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 02:51:28,211 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 02:51:28,211 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 02:51:28,211 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 02:51:28,211 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 02:51:28,211 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 02:51:28,211 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 02:51:28,211 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 02:51:28,211 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 02:51:28,211 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 02:51:28,211 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 02:51:28,211 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 02:51:28,212 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 02:51:28,212 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 02:51:28,212 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 02:51:28,212 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 02:51:28,212 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 02:51:28,212 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 02:51:28,212 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 02:51:28,212 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 02:51:28,213 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 02:51:28,213 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 02:51:28,213 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 02:51:28,213 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 02:51:28,213 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 02:51:28,213 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 02:51:28,213 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 02:51:28,213 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 02:51:28,213 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 02:51:28,214 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 02:51:28,214 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 02:51:28,214 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 02:51:28,214 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 02:51:28,214 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 02:51:28,214 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 02:51:28,214 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 02:51:28,214 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 02:51:28,214 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 02:51:28,214 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 02:51:28,215 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 02:51:28,215 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 02:51:28,215 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 02:51:28,215 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 02:51:28,215 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 02:51:28,215 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 02:51:28,215 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 02:51:28,215 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 02:51:28,215 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 02:51:28,216 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 02:51:28,216 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 02:51:28,216 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 02:51:28,216 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 02:51:28,216 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 02:51:28,216 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 02:51:28,216 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 02:51:28,216 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 02:51:28,216 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 02:51:28,216 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 02:51:28,217 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 02:51:28,217 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 02:51:28,217 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 02:51:28,217 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 02:51:28,217 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 02:51:28,217 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 02:51:28,217 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 02:51:28,217 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 02:51:28,217 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 02:51:28,217 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 02:51:28,218 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 02:51:28,218 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 02:51:28,218 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 02:51:28,218 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 02:51:28,218 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 02:51:28,218 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 02:51:28,218 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 02:51:28,218 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 02:51:28,218 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 02:51:28,219 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 02:51:28,219 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 02:51:28,219 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 02:51:28,219 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 02:51:28,219 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 02:51:28,219 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 02:51:28,219 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 02:51:28,219 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 02:51:28,219 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 02:51:28,219 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 02:51:28,219 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 02:51:28,220 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen [2018-04-12 02:51:28,220 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 02:51:28,220 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 02:51:28,220 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 02:51:28,220 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 02:51:28,220 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 02:51:28,220 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 02:51:28,220 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 02:51:28,220 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 02:51:28,453 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 02:51:28,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 02:51:28 BoogieIcfgContainer [2018-04-12 02:51:28,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 02:51:28,454 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 02:51:28,454 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 02:51:28,456 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 02:51:28,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 02:51:27" (1/3) ... [2018-04-12 02:51:28,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f13eb17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 02:51:28, skipping insertion in model container [2018-04-12 02:51:28,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 02:51:28" (2/3) ... [2018-04-12 02:51:28,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f13eb17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 02:51:28, skipping insertion in model container [2018-04-12 02:51:28,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 02:51:28" (3/3) ... [2018-04-12 02:51:28,458 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-04-12 02:51:28,464 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-12 02:51:28,470 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-04-12 02:51:28,493 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 02:51:28,494 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 02:51:28,494 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 02:51:28,494 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-12 02:51:28,494 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-12 02:51:28,494 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 02:51:28,494 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 02:51:28,494 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 02:51:28,494 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 02:51:28,495 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 02:51:28,503 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2018-04-12 02:51:28,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-12 02:51:28,510 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:28,510 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:28,510 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]=== [2018-04-12 02:51:28,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1666854936, now seen corresponding path program 1 times [2018-04-12 02:51:28,547 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:28,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:28,581 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:28,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:28,622 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:28,622 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 02:51:28,623 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:28,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:28,623 INFO L182 omatonBuilderFactory]: Interpolants [34#true, 35#false, 36#(= 1 (select |#valid| |main_#t~malloc5.base|)), 37#(= 1 (select |#valid| main_~nondetString1~0.base))] [2018-04-12 02:51:28,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:28,624 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 02:51:28,632 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 02:51:28,633 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 02:51:28,634 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 4 states. [2018-04-12 02:51:28,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:28,672 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2018-04-12 02:51:28,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 02:51:28,673 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-04-12 02:51:28,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:28,678 INFO L225 Difference]: With dead ends: 30 [2018-04-12 02:51:28,678 INFO L226 Difference]: Without dead ends: 27 [2018-04-12 02:51:28,683 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 02:51:28,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-04-12 02:51:28,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-04-12 02:51:28,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-04-12 02:51:28,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2018-04-12 02:51:28,707 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 10 [2018-04-12 02:51:28,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:28,707 INFO L459 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2018-04-12 02:51:28,707 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 02:51:28,707 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-04-12 02:51:28,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-12 02:51:28,708 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:28,708 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:28,708 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]=== [2018-04-12 02:51:28,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1666854937, now seen corresponding path program 1 times [2018-04-12 02:51:28,709 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:28,720 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:28,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:28,768 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:28,768 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 02:51:28,768 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:28,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:28,768 INFO L182 omatonBuilderFactory]: Interpolants [97#true, 98#false, 99#(<= 1 main_~length1~0), 100#(and (= 0 |main_#t~malloc5.offset|) (= main_~length1~0 (select |#length| |main_#t~malloc5.base|)) (<= 1 main_~length1~0)), 101#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0))] [2018-04-12 02:51:28,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:28,769 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 02:51:28,769 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 02:51:28,769 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 02:51:28,770 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 5 states. [2018-04-12 02:51:28,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:28,790 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2018-04-12 02:51:28,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 02:51:28,791 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-04-12 02:51:28,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:28,791 INFO L225 Difference]: With dead ends: 26 [2018-04-12 02:51:28,791 INFO L226 Difference]: Without dead ends: 26 [2018-04-12 02:51:28,792 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-04-12 02:51:28,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-04-12 02:51:28,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-04-12 02:51:28,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-04-12 02:51:28,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2018-04-12 02:51:28,796 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 10 [2018-04-12 02:51:28,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:28,796 INFO L459 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2018-04-12 02:51:28,796 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 02:51:28,796 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2018-04-12 02:51:28,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 02:51:28,796 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:28,796 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:28,796 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]=== [2018-04-12 02:51:28,796 INFO L82 PathProgramCache]: Analyzing trace with hash -870578270, now seen corresponding path program 1 times [2018-04-12 02:51:28,797 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:28,804 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:28,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:28,845 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:28,845 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 02:51:28,845 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:28,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:28,846 INFO L182 omatonBuilderFactory]: Interpolants [160#(= 1 (select |#valid| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.base)), 156#true, 157#false, 158#(= 1 (select |#valid| main_~nondetString1~0.base)), 159#(= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_#in~str.base|))] [2018-04-12 02:51:28,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:28,846 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 02:51:28,846 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 02:51:28,846 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 02:51:28,846 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 5 states. [2018-04-12 02:51:28,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:28,871 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2018-04-12 02:51:28,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 02:51:28,872 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-12 02:51:28,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:28,872 INFO L225 Difference]: With dead ends: 25 [2018-04-12 02:51:28,872 INFO L226 Difference]: Without dead ends: 25 [2018-04-12 02:51:28,873 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-12 02:51:28,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-04-12 02:51:28,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-04-12 02:51:28,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-04-12 02:51:28,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2018-04-12 02:51:28,875 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 14 [2018-04-12 02:51:28,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:28,876 INFO L459 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2018-04-12 02:51:28,876 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 02:51:28,876 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-04-12 02:51:28,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 02:51:28,876 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:28,876 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:28,876 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]=== [2018-04-12 02:51:28,877 INFO L82 PathProgramCache]: Analyzing trace with hash -870578269, now seen corresponding path program 1 times [2018-04-12 02:51:28,877 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:28,888 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:28,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:28,957 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:28,957 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 02:51:28,957 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:28,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:28,957 INFO L182 omatonBuilderFactory]: Interpolants [213#true, 214#false, 215#(<= 1 main_~length1~0), 216#(and (= 0 |main_#t~malloc5.offset|) (= main_~length1~0 (select |#length| |main_#t~malloc5.base|)) (<= 1 main_~length1~0)), 217#(and (= 0 main_~nondetString1~0.offset) (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (<= 1 main_~length1~0)), 218#(and (= 0 main_~nondetString1~0.offset) (<= 1 (select |#length| main_~nondetString1~0.base))), 219#(and (= 0 |__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_#in~str.offset|) (<= 1 (select |#length| |__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_#in~str.base|))), 220#(and (= __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.offset 0) (<= 1 (select |#length| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.base)))] [2018-04-12 02:51:28,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:28,957 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 02:51:28,958 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 02:51:28,958 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-12 02:51:28,958 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 8 states. [2018-04-12 02:51:29,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:29,031 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2018-04-12 02:51:29,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 02:51:29,032 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2018-04-12 02:51:29,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:29,033 INFO L225 Difference]: With dead ends: 32 [2018-04-12 02:51:29,033 INFO L226 Difference]: Without dead ends: 32 [2018-04-12 02:51:29,034 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 [2018-04-12 02:51:29,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-04-12 02:51:29,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 27. [2018-04-12 02:51:29,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-04-12 02:51:29,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2018-04-12 02:51:29,036 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 14 [2018-04-12 02:51:29,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:29,036 INFO L459 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2018-04-12 02:51:29,036 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 02:51:29,036 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-04-12 02:51:29,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 02:51:29,036 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:29,036 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:29,036 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]=== [2018-04-12 02:51:29,037 INFO L82 PathProgramCache]: Analyzing trace with hash -911327578, now seen corresponding path program 1 times [2018-04-12 02:51:29,037 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:29,048 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:29,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:29,126 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:29,126 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-12 02:51:29,126 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:29,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:29,126 INFO L182 omatonBuilderFactory]: Interpolants [288#(and (<= 1 main_~length1~0) (<= main_~length1~0 1) (= main_~nondetString1~0.offset 0)), 289#(and (= 0 (select (select |#memory_int| main_~nondetString1~0.base) main_~nondetString1~0.offset)) (= main_~nondetString1~0.offset 0)), 290#(= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_#in~str.base|) |__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_#in~str.offset|)), 291#(= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.base) __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.offset)), 292#(= 0 |__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_#t~mem3|), 284#true, 285#false, 286#(and (<= 1 main_~length1~0) (<= main_~length1~0 1)), 287#(and (= 0 |main_#t~malloc5.offset|) (<= 1 main_~length1~0) (<= main_~length1~0 1))] [2018-04-12 02:51:29,126 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:29,126 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 02:51:29,127 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 02:51:29,127 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-12 02:51:29,127 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 9 states. [2018-04-12 02:51:29,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:29,212 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2018-04-12 02:51:29,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-12 02:51:29,212 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2018-04-12 02:51:29,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:29,213 INFO L225 Difference]: With dead ends: 43 [2018-04-12 02:51:29,213 INFO L226 Difference]: Without dead ends: 43 [2018-04-12 02:51:29,213 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 [2018-04-12 02:51:29,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-04-12 02:51:29,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 38. [2018-04-12 02:51:29,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-04-12 02:51:29,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2018-04-12 02:51:29,217 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 18 [2018-04-12 02:51:29,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:29,217 INFO L459 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2018-04-12 02:51:29,217 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 02:51:29,217 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2018-04-12 02:51:29,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 02:51:29,218 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:29,218 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:29,218 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]=== [2018-04-12 02:51:29,218 INFO L82 PathProgramCache]: Analyzing trace with hash -653162140, now seen corresponding path program 1 times [2018-04-12 02:51:29,219 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:29,229 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:29,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:29,383 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:51:29,383 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-04-12 02:51:29,383 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:29,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:29,383 INFO L182 omatonBuilderFactory]: Interpolants [384#true, 385#false, 386#(<= 1 main_~length1~0), 387#(and (= 0 |main_#t~malloc5.offset|) (= main_~length1~0 (select |#length| |main_#t~malloc5.base|)) (<= 1 main_~length1~0)), 388#(and (<= 1 main_~length1~0) (or (= (+ main_~nondetString1~0.offset main_~length1~0) 1) (= main_~length1~0 (select |#length| main_~nondetString1~0.base))) (= main_~nondetString1~0.offset 0)), 389#(and (or (<= 2 (+ main_~nondetString1~0.offset (select |#length| main_~nondetString1~0.base))) (= 0 (select (select |#memory_int| main_~nondetString1~0.base) main_~nondetString1~0.offset))) (= main_~nondetString1~0.offset 0)), 390#(and (= 0 |__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_#in~str.offset|) (or (<= 2 (select |#length| |__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_#in~str.base|)) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_#in~str.base|) |__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_#in~str.offset|)))), 391#(and (= __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.offset 0) (or (<= 2 (select |#length| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.base)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.base) __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.offset)))), 392#(and (= __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.offset 0) (or (<= 2 (select |#length| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.base)) (= 0 |__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_#t~mem3|))), 393#(and (= __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.offset 0) (<= 2 (select |#length| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.base))), 394#(and (<= (+ __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.base)) (<= 1 __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.offset))] [2018-04-12 02:51:29,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:29,384 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 02:51:29,384 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 02:51:29,384 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-04-12 02:51:29,384 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand 11 states. [2018-04-12 02:51:29,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:29,526 INFO L93 Difference]: Finished difference Result 50 states and 53 transitions. [2018-04-12 02:51:29,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-12 02:51:29,526 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2018-04-12 02:51:29,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:29,527 INFO L225 Difference]: With dead ends: 50 [2018-04-12 02:51:29,527 INFO L226 Difference]: Without dead ends: 50 [2018-04-12 02:51:29,527 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2018-04-12 02:51:29,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-12 02:51:29,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 42. [2018-04-12 02:51:29,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-04-12 02:51:29,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2018-04-12 02:51:29,530 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 18 [2018-04-12 02:51:29,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:29,530 INFO L459 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2018-04-12 02:51:29,530 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 02:51:29,530 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2018-04-12 02:51:29,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-12 02:51:29,531 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:29,531 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:29,531 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]=== [2018-04-12 02:51:29,531 INFO L82 PathProgramCache]: Analyzing trace with hash -739684335, now seen corresponding path program 1 times [2018-04-12 02:51:29,531 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:29,548 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:29,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:29,590 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 02:51:29,590 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 02:51:29,590 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:29,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:29,590 INFO L182 omatonBuilderFactory]: Interpolants [501#true, 502#false, 503#(= |#valid| |old(#valid)|), 504#(= |old(#valid)| (store |#valid| |main_#t~malloc5.base| 0))] [2018-04-12 02:51:29,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:29,591 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 02:51:29,591 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 02:51:29,591 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 02:51:29,591 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 4 states. [2018-04-12 02:51:29,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:29,620 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2018-04-12 02:51:29,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 02:51:29,620 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-04-12 02:51:29,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:29,621 INFO L225 Difference]: With dead ends: 41 [2018-04-12 02:51:29,621 INFO L226 Difference]: Without dead ends: 23 [2018-04-12 02:51:29,621 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 02:51:29,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-04-12 02:51:29,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-04-12 02:51:29,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-04-12 02:51:29,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2018-04-12 02:51:29,624 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 22 [2018-04-12 02:51:29,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:29,624 INFO L459 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2018-04-12 02:51:29,624 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 02:51:29,624 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2018-04-12 02:51:29,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-12 02:51:29,624 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:29,624 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:29,624 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]=== [2018-04-12 02:51:29,624 INFO L82 PathProgramCache]: Analyzing trace with hash 2023421927, now seen corresponding path program 2 times [2018-04-12 02:51:29,625 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:29,636 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:29,867 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:29,867 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:51:29,867 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-04-12 02:51:29,867 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:29,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:29,867 INFO L182 omatonBuilderFactory]: Interpolants [576#(and (or (<= (select |#length| |__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_#in~str.base|) 1) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_#in~str.base|) 1)) (<= 3 (select |#length| |__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_#in~str.base|))) (= 0 |__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_#in~str.offset|)), 577#(and (= __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.offset 0) (or (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.base) 1)) (<= (select |#length| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.base) 1) (<= 3 (select |#length| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.base)))), 578#(and (<= 1 __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.offset) (or (and (= 1 __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.offset) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.base) __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.offset))) (<= (select |#length| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.base) __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.base)))), 579#(and (or (and (= 1 __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.offset) (= 0 |__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_#t~mem3|)) (<= (+ __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.base))) (<= 1 __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.offset)), 580#(and (<= 1 __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.base))), 581#(and (<= (+ __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.base)) (<= 2 __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.offset)), 571#true, 572#false, 573#(and (= 0 |main_#t~malloc5.offset|) (= main_~length1~0 (select |#length| |main_#t~malloc5.base|))), 574#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= main_~nondetString1~0.offset 0)), 575#(and (or (= 0 (select (select |#memory_int| main_~nondetString1~0.base) 1)) (<= 3 (+ main_~nondetString1~0.offset (select |#length| main_~nondetString1~0.base))) (<= (+ main_~nondetString1~0.offset (select |#length| main_~nondetString1~0.base)) 1)) (= main_~nondetString1~0.offset 0))] [2018-04-12 02:51:29,868 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:29,868 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 02:51:29,868 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 02:51:29,868 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-04-12 02:51:29,868 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 11 states. [2018-04-12 02:51:30,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:30,031 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2018-04-12 02:51:30,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-12 02:51:30,032 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 22 [2018-04-12 02:51:30,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:30,032 INFO L225 Difference]: With dead ends: 29 [2018-04-12 02:51:30,032 INFO L226 Difference]: Without dead ends: 29 [2018-04-12 02:51:30,033 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2018-04-12 02:51:30,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-04-12 02:51:30,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2018-04-12 02:51:30,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-04-12 02:51:30,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2018-04-12 02:51:30,034 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 22 [2018-04-12 02:51:30,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:30,035 INFO L459 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2018-04-12 02:51:30,035 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 02:51:30,035 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2018-04-12 02:51:30,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-12 02:51:30,035 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 02:51:30,035 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 02:51:30,035 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]=== [2018-04-12 02:51:30,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1089694954, now seen corresponding path program 3 times [2018-04-12 02:51:30,036 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 02:51:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 02:51:30,047 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 02:51:30,134 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-12 02:51:30,134 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 02:51:30,134 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-04-12 02:51:30,134 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 02:51:30,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 02:51:30,134 INFO L182 omatonBuilderFactory]: Interpolants [656#(and (= 0 (select (select |#memory_int| main_~nondetString1~0.base) (+ (select |#length| main_~nondetString1~0.base) (+ main_~nondetString1~0.offset (- 1))))) (= main_~nondetString1~0.offset 0)), 657#(= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_#in~str.base|) (+ (select |#length| |__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_#in~str.base|) (- 1)))), 658#(= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.base) (- 1)))), 659#(or (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.base) __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.offset)) (<= (select |#length| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.base) __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.base))), 660#(or (and (<= 0 __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.base))) (= 0 |__U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_#t~mem3|)), 661#(and (<= 0 __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.offset) (<= (+ __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.offset 2) (select |#length| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.base))), 662#(and (<= (+ __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.base)) (<= 1 __U_MULTI_fopenbsd_cstrlen_alloca_true_valid_memsafety_true_termination_i__cstrlen_~s~0.offset)), 652#true, 653#false, 654#(and (= 0 |main_#t~malloc5.offset|) (= main_~length1~0 (select |#length| |main_#t~malloc5.base|))), 655#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= main_~nondetString1~0.offset 0))] [2018-04-12 02:51:30,135 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-12 02:51:30,135 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 02:51:30,135 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 02:51:30,135 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-04-12 02:51:30,135 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 11 states. [2018-04-12 02:51:30,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 02:51:30,255 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2018-04-12 02:51:30,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-12 02:51:30,255 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 26 [2018-04-12 02:51:30,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 02:51:30,255 INFO L225 Difference]: With dead ends: 26 [2018-04-12 02:51:30,255 INFO L226 Difference]: Without dead ends: 0 [2018-04-12 02:51:30,256 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2018-04-12 02:51:30,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-12 02:51:30,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-12 02:51:30,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-12 02:51:30,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-12 02:51:30,256 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-04-12 02:51:30,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 02:51:30,257 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-12 02:51:30,257 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 02:51:30,257 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-12 02:51:30,257 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-12 02:51:30,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 02:51:30 BoogieIcfgContainer [2018-04-12 02:51:30,260 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 02:51:30,260 INFO L168 Benchmark]: Toolchain (without parser) took 2452.88 ms. Allocated memory was 475.5 MB in the beginning and 675.8 MB in the end (delta: 200.3 MB). Free memory was 409.5 MB in the beginning and 489.4 MB in the end (delta: -79.9 MB). Peak memory consumption was 120.4 MB. Max. memory is 5.3 GB. [2018-04-12 02:51:30,261 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 475.5 MB. Free memory is still 435.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 02:51:30,262 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.11 ms. Allocated memory is still 475.5 MB. Free memory was 408.2 MB in the beginning and 381.8 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 5.3 GB. [2018-04-12 02:51:30,262 INFO L168 Benchmark]: Boogie Preprocessor took 36.55 ms. Allocated memory is still 475.5 MB. Free memory is still 381.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 02:51:30,262 INFO L168 Benchmark]: RCFGBuilder took 374.52 ms. Allocated memory was 475.5 MB in the beginning and 599.8 MB in the end (delta: 124.3 MB). Free memory was 381.8 MB in the beginning and 529.2 MB in the end (delta: -147.5 MB). Peak memory consumption was 38.7 MB. Max. memory is 5.3 GB. [2018-04-12 02:51:30,262 INFO L168 Benchmark]: TraceAbstraction took 1806.13 ms. Allocated memory was 599.8 MB in the beginning and 675.8 MB in the end (delta: 76.0 MB). Free memory was 529.2 MB in the beginning and 489.4 MB in the end (delta: 39.9 MB). Peak memory consumption was 115.9 MB. Max. memory is 5.3 GB. [2018-04-12 02:51:30,264 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 475.5 MB. Free memory is still 435.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 233.11 ms. Allocated memory is still 475.5 MB. Free memory was 408.2 MB in the beginning and 381.8 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 36.55 ms. Allocated memory is still 475.5 MB. Free memory is still 381.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * RCFGBuilder took 374.52 ms. Allocated memory was 475.5 MB in the beginning and 599.8 MB in the end (delta: 124.3 MB). Free memory was 381.8 MB in the beginning and 529.2 MB in the end (delta: -147.5 MB). Peak memory consumption was 38.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1806.13 ms. Allocated memory was 599.8 MB in the beginning and 675.8 MB in the end (delta: 76.0 MB). Free memory was 529.2 MB in the beginning and 489.4 MB in the end (delta: 39.9 MB). Peak memory consumption was 115.9 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, 1.7s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 166 SDtfs, 182 SDslu, 471 SDs, 0 SdLazy, 452 SolverSat, 57 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 95 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 6/30 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, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 18082 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 6/30 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_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_02-51-30-270.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_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_02-51-30-270.csv Received shutdown request...