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 -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-4cf2d92 [2018-03-28 12:27:25,675 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-28 12:27:25,677 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-28 12:27:25,692 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-28 12:27:25,693 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-28 12:27:25,693 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-28 12:27:25,695 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-28 12:27:25,696 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-28 12:27:25,699 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-28 12:27:25,699 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-28 12:27:25,700 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-28 12:27:25,701 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-28 12:27:25,702 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-28 12:27:25,703 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-28 12:27:25,704 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-28 12:27:25,706 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-28 12:27:25,708 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-28 12:27:25,709 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-28 12:27:25,711 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-28 12:27:25,712 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-28 12:27:25,714 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-03-28 12:27:25,720 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-03-28 12:27:25,720 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-03-28 12:27:25,721 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-03-28 12:27:25,745 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-28 12:27:25,745 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-28 12:27:25,746 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-03-28 12:27:25,746 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-03-28 12:27:25,747 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-28 12:27:25,747 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-28 12:27:25,747 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-28 12:27:25,747 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-28 12:27:25,747 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-28 12:27:25,748 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-03-28 12:27:25,748 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-03-28 12:27:25,748 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-28 12:27:25,748 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-28 12:27:25,749 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-28 12:27:25,749 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-28 12:27:25,749 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-28 12:27:25,749 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-28 12:27:25,749 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-28 12:27:25,750 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-28 12:27:25,750 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-28 12:27:25,750 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-28 12:27:25,750 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-28 12:27:25,750 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-28 12:27:25,751 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-28 12:27:25,751 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-28 12:27:25,751 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-28 12:27:25,751 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-28 12:27:25,751 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-28 12:27:25,752 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-28 12:27:25,752 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-28 12:27:25,752 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-28 12:27:25,752 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:27:25,752 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-28 12:27:25,753 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-28 12:27:25,753 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-28 12:27:25,754 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-03-28 12:27:25,754 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-03-28 12:27:25,788 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-28 12:27:25,800 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-28 12:27:25,804 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-28 12:27:25,806 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-28 12:27:25,806 INFO L276 PluginConnector]: CDTParser initialized [2018-03-28 12:27:25,807 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,124 INFO L228 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGb03cd6179 [2018-03-28 12:27:26,286 INFO L291 CDTParser]: IsIndexed: true [2018-03-28 12:27:26,287 INFO L292 CDTParser]: Found 1 translation units. [2018-03-28 12:27:26,287 INFO L171 CDTParser]: Scanning openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,298 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-28 12:27:26,298 INFO L215 ultiparseSymbolTable]: [2018-03-28 12:27:26,299 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-28 12:27:26,299 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp ('cstrncmp') in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,299 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,299 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,299 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,299 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-28 12:27:26,299 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,299 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,300 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,300 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,300 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,300 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,300 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,300 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,300 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,300 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,301 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,301 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,301 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,301 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,301 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,301 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,301 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,301 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,302 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,302 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,302 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,302 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,302 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,302 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,302 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,302 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,303 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,303 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,303 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,303 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,303 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,303 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,303 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,303 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,303 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,304 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,304 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,304 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,304 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,304 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,304 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,304 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,305 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,305 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,305 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,305 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,305 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,305 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,305 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,305 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,305 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,307 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,307 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,307 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,307 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,307 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,307 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,307 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,307 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,307 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,307 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,307 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,307 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,307 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,307 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,307 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,307 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,311 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,311 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:26,331 INFO L334 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGb03cd6179 [2018-03-28 12:27:26,334 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-28 12:27:26,337 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-03-28 12:27:26,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-28 12:27:26,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-28 12:27:26,344 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-28 12:27:26,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:27:26" (1/1) ... [2018-03-28 12:27:26,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bccb384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:26, skipping insertion in model container [2018-03-28 12:27:26,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:27:26" (1/1) ... [2018-03-28 12:27:26,368 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-28 12:27:26,398 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-28 12:27:26,558 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-28 12:27:26,602 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-28 12:27:26,609 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-03-28 12:27:26,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:26 WrapperNode [2018-03-28 12:27:26,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-28 12:27:26,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-28 12:27:26,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-28 12:27:26,658 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-28 12:27:26,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:26" (1/1) ... [2018-03-28 12:27:26,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:26" (1/1) ... [2018-03-28 12:27:26,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:26" (1/1) ... [2018-03-28 12:27:26,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:26" (1/1) ... [2018-03-28 12:27:26,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:26" (1/1) ... [2018-03-28 12:27:26,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:26" (1/1) ... [2018-03-28 12:27:26,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:26" (1/1) ... [2018-03-28 12:27:26,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-28 12:27:26,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-28 12:27:26,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-28 12:27:26,717 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-28 12:27:26,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:26" (1/1) ... No working directory specified, using /storage/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 [2018-03-28 12:27:26,842 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-28 12:27:26,842 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-28 12:27:26,842 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-03-28 12:27:26,842 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-03-28 12:27:26,842 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp [2018-03-28 12:27:26,842 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-28 12:27:26,842 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-03-28 12:27:26,843 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-03-28 12:27:26,843 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-03-28 12:27:26,843 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-03-28 12:27:26,843 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-03-28 12:27:26,843 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-03-28 12:27:26,843 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-03-28 12:27:26,843 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-03-28 12:27:26,844 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-03-28 12:27:26,844 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-03-28 12:27:26,844 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-03-28 12:27:26,844 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-03-28 12:27:26,844 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-03-28 12:27:26,844 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-03-28 12:27:26,845 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-03-28 12:27:26,845 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-03-28 12:27:26,845 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-03-28 12:27:26,845 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-03-28 12:27:26,845 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-03-28 12:27:26,845 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-03-28 12:27:26,846 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-03-28 12:27:26,846 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-03-28 12:27:26,846 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-03-28 12:27:26,846 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-03-28 12:27:26,846 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-03-28 12:27:26,846 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-03-28 12:27:26,846 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-03-28 12:27:26,847 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-03-28 12:27:26,847 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-03-28 12:27:26,847 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-03-28 12:27:26,847 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-03-28 12:27:26,847 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-03-28 12:27:26,847 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-03-28 12:27:26,847 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-03-28 12:27:26,847 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-03-28 12:27:26,848 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-03-28 12:27:26,848 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-03-28 12:27:26,848 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-03-28 12:27:26,848 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-03-28 12:27:26,848 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-03-28 12:27:26,848 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-03-28 12:27:26,848 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-03-28 12:27:26,848 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-03-28 12:27:26,849 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-03-28 12:27:26,849 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-03-28 12:27:26,849 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-03-28 12:27:26,849 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-03-28 12:27:26,849 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-03-28 12:27:26,849 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-03-28 12:27:26,849 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-03-28 12:27:26,849 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-03-28 12:27:26,850 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-03-28 12:27:26,850 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-03-28 12:27:26,850 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-03-28 12:27:26,850 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-03-28 12:27:26,850 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-03-28 12:27:26,850 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-03-28 12:27:26,850 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-03-28 12:27:26,850 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-03-28 12:27:26,851 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-03-28 12:27:26,851 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-03-28 12:27:26,851 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-03-28 12:27:26,851 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-03-28 12:27:26,851 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-03-28 12:27:26,851 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-03-28 12:27:26,851 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-03-28 12:27:26,851 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-03-28 12:27:26,852 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-03-28 12:27:26,852 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-03-28 12:27:26,852 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-03-28 12:27:26,852 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-03-28 12:27:26,852 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-03-28 12:27:26,852 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-03-28 12:27:26,852 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-03-28 12:27:26,852 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-03-28 12:27:26,852 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-03-28 12:27:26,853 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-03-28 12:27:26,853 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-03-28 12:27:26,853 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-03-28 12:27:26,853 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-03-28 12:27:26,853 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-03-28 12:27:26,853 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-03-28 12:27:26,853 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-03-28 12:27:26,853 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-03-28 12:27:26,854 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-03-28 12:27:26,854 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-03-28 12:27:26,854 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-03-28 12:27:26,854 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-03-28 12:27:26,854 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-03-28 12:27:26,854 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-03-28 12:27:26,854 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-03-28 12:27:26,855 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-03-28 12:27:26,855 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-03-28 12:27:26,855 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-03-28 12:27:26,855 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-03-28 12:27:26,855 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-03-28 12:27:26,855 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-03-28 12:27:26,855 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-03-28 12:27:26,855 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-03-28 12:27:26,855 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-03-28 12:27:26,856 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-03-28 12:27:26,856 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-03-28 12:27:26,856 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-03-28 12:27:26,856 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp [2018-03-28 12:27:26,856 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-28 12:27:26,856 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-28 12:27:26,856 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-28 12:27:26,856 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-28 12:27:26,857 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-28 12:27:26,857 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-28 12:27:26,857 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-28 12:27:26,857 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-28 12:27:27,311 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-28 12:27:27,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:27:27 BoogieIcfgContainer [2018-03-28 12:27:27,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-28 12:27:27,312 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-28 12:27:27,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-28 12:27:27,314 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-28 12:27:27,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:27:26" (1/3) ... [2018-03-28 12:27:27,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@656e576b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:27:27, skipping insertion in model container [2018-03-28 12:27:27,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:26" (2/3) ... [2018-03-28 12:27:27,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@656e576b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:27:27, skipping insertion in model container [2018-03-28 12:27:27,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:27:27" (3/3) ... [2018-03-28 12:27:27,317 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:27:27,324 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-28 12:27:27,331 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-03-28 12:27:27,368 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-28 12:27:27,368 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-28 12:27:27,368 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-28 12:27:27,368 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-28 12:27:27,368 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-28 12:27:27,368 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-28 12:27:27,368 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-28 12:27:27,369 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-28 12:27:27,369 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-28 12:27:27,369 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-28 12:27:27,384 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2018-03-28 12:27:27,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-03-28 12:27:27,389 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:27:27,390 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:27:27,390 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-03-28 12:27:27,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1532505966, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:27:27,405 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:27:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:27:27,445 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:27:27,480 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 12:27:27,481 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:27,488 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:27,489 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 12:27:27,512 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-03-28 12:27:27,513 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:27,521 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 12:27:27,522 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-03-28 12:27:27,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:27,532 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:27:27,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:27,597 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:27:27,597 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-28 12:27:27,599 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-28 12:27:27,614 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-28 12:27:27,614 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-28 12:27:27,617 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 4 states. [2018-03-28 12:27:27,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:27:27,718 INFO L93 Difference]: Finished difference Result 108 states and 113 transitions. [2018-03-28 12:27:27,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-28 12:27:27,720 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2018-03-28 12:27:27,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:27:27,731 INFO L225 Difference]: With dead ends: 108 [2018-03-28 12:27:27,731 INFO L226 Difference]: Without dead ends: 88 [2018-03-28 12:27:27,734 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-28 12:27:27,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-03-28 12:27:27,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2018-03-28 12:27:27,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-03-28 12:27:27,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 93 transitions. [2018-03-28 12:27:27,770 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 93 transitions. Word has length 19 [2018-03-28 12:27:27,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:27:27,770 INFO L459 AbstractCegarLoop]: Abstraction has 88 states and 93 transitions. [2018-03-28 12:27:27,770 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-28 12:27:27,771 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 93 transitions. [2018-03-28 12:27:27,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-03-28 12:27:27,771 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:27:27,772 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:27:27,772 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-03-28 12:27:27,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1532505967, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:27:27,778 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:27:27,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:27:27,794 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:27:27,822 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 12:27:27,823 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:27,832 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 12:27:27,832 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:27,860 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:27,860 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:17 [2018-03-28 12:27:27,911 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:27,919 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:27,920 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 12:27:27,921 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:27,937 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-03-28 12:27:27,938 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:27,954 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:27,955 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:28, output treesize:12 [2018-03-28 12:27:27,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:27,977 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:27:30,060 WARN L148 SmtUtils]: Spent 2057ms on a formula simplification that was a NOOP. DAG size: 26 [2018-03-28 12:27:30,100 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:30,101 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 5 variables, input treesize:25, output treesize:3 [2018-03-28 12:27:30,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:30,127 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:27:30,127 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2018-03-28 12:27:30,129 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-03-28 12:27:30,129 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-03-28 12:27:30,129 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-03-28 12:27:30,129 INFO L87 Difference]: Start difference. First operand 88 states and 93 transitions. Second operand 9 states. [2018-03-28 12:27:30,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:27:30,329 INFO L93 Difference]: Finished difference Result 88 states and 93 transitions. [2018-03-28 12:27:30,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-28 12:27:30,330 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-03-28 12:27:30,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:27:30,331 INFO L225 Difference]: With dead ends: 88 [2018-03-28 12:27:30,331 INFO L226 Difference]: Without dead ends: 87 [2018-03-28 12:27:30,332 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-03-28 12:27:30,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-03-28 12:27:30,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-03-28 12:27:30,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-03-28 12:27:30,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 92 transitions. [2018-03-28 12:27:30,349 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 92 transitions. Word has length 19 [2018-03-28 12:27:30,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:27:30,350 INFO L459 AbstractCegarLoop]: Abstraction has 87 states and 92 transitions. [2018-03-28 12:27:30,350 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-03-28 12:27:30,350 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 92 transitions. [2018-03-28 12:27:30,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-03-28 12:27:30,351 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:27:30,351 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:27:30,351 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-03-28 12:27:30,351 INFO L82 PathProgramCache]: Analyzing trace with hash 263044694, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:27:30,360 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:27:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:27:30,377 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:27:30,393 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 12:27:30,394 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:30,395 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:30,395 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 12:27:30,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:30,414 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:27:30,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:30,456 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:27:30,456 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-28 12:27:30,456 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-28 12:27:30,457 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-28 12:27:30,457 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-28 12:27:30,457 INFO L87 Difference]: Start difference. First operand 87 states and 92 transitions. Second operand 4 states. [2018-03-28 12:27:30,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:27:30,505 INFO L93 Difference]: Finished difference Result 87 states and 92 transitions. [2018-03-28 12:27:30,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-28 12:27:30,506 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-03-28 12:27:30,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:27:30,507 INFO L225 Difference]: With dead ends: 87 [2018-03-28 12:27:30,507 INFO L226 Difference]: Without dead ends: 86 [2018-03-28 12:27:30,508 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-28 12:27:30,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-03-28 12:27:30,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-03-28 12:27:30,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-03-28 12:27:30,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 91 transitions. [2018-03-28 12:27:30,513 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 91 transitions. Word has length 20 [2018-03-28 12:27:30,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:27:30,514 INFO L459 AbstractCegarLoop]: Abstraction has 86 states and 91 transitions. [2018-03-28 12:27:30,514 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-28 12:27:30,514 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 91 transitions. [2018-03-28 12:27:30,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-03-28 12:27:30,514 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:27:30,514 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:27:30,514 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-03-28 12:27:30,515 INFO L82 PathProgramCache]: Analyzing trace with hash 263044695, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:27:30,521 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:27:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:27:30,535 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:27:30,553 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 12:27:30,553 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:30,559 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:30,559 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-03-28 12:27:30,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:30,586 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:27:30,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:30,653 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:27:30,653 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-03-28 12:27:30,654 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-03-28 12:27:30,654 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-03-28 12:27:30,654 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-03-28 12:27:30,654 INFO L87 Difference]: Start difference. First operand 86 states and 91 transitions. Second operand 7 states. [2018-03-28 12:27:30,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:27:30,759 INFO L93 Difference]: Finished difference Result 86 states and 91 transitions. [2018-03-28 12:27:30,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-28 12:27:30,760 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-03-28 12:27:30,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:27:30,761 INFO L225 Difference]: With dead ends: 86 [2018-03-28 12:27:30,761 INFO L226 Difference]: Without dead ends: 85 [2018-03-28 12:27:30,761 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-03-28 12:27:30,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-03-28 12:27:30,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-03-28 12:27:30,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-03-28 12:27:30,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 90 transitions. [2018-03-28 12:27:30,767 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 90 transitions. Word has length 20 [2018-03-28 12:27:30,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:27:30,767 INFO L459 AbstractCegarLoop]: Abstraction has 85 states and 90 transitions. [2018-03-28 12:27:30,767 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-03-28 12:27:30,767 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 90 transitions. [2018-03-28 12:27:30,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-03-28 12:27:30,768 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:27:30,768 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:27:30,768 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-03-28 12:27:30,768 INFO L82 PathProgramCache]: Analyzing trace with hash -1342074601, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:27:30,774 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:27:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:27:30,791 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:27:30,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:30,817 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:27:30,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:30,850 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:27:30,851 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-03-28 12:27:30,851 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-03-28 12:27:30,851 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-03-28 12:27:30,851 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-03-28 12:27:30,851 INFO L87 Difference]: Start difference. First operand 85 states and 90 transitions. Second operand 5 states. [2018-03-28 12:27:30,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:27:30,953 INFO L93 Difference]: Finished difference Result 91 states and 96 transitions. [2018-03-28 12:27:30,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-28 12:27:30,954 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2018-03-28 12:27:30,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:27:30,958 INFO L225 Difference]: With dead ends: 91 [2018-03-28 12:27:30,958 INFO L226 Difference]: Without dead ends: 89 [2018-03-28 12:27:30,958 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-03-28 12:27:30,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-03-28 12:27:30,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 86. [2018-03-28 12:27:30,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-03-28 12:27:30,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 92 transitions. [2018-03-28 12:27:30,966 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 92 transitions. Word has length 28 [2018-03-28 12:27:30,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:27:30,966 INFO L459 AbstractCegarLoop]: Abstraction has 86 states and 92 transitions. [2018-03-28 12:27:30,966 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-03-28 12:27:30,967 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 92 transitions. [2018-03-28 12:27:30,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-03-28 12:27:30,968 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:27:30,968 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:27:30,968 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-03-28 12:27:30,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1342074600, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:27:30,977 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:27:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:27:31,003 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:27:31,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:31,044 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:27:31,051 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-03-28 12:27:31,052 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:31,064 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-03-28 12:27:31,064 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:31,067 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:27:31,067 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-03-28 12:27:31,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:31,101 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:27:31,101 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2018-03-28 12:27:31,101 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-03-28 12:27:31,101 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-03-28 12:27:31,101 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-03-28 12:27:31,102 INFO L87 Difference]: Start difference. First operand 86 states and 92 transitions. Second operand 8 states. [2018-03-28 12:27:31,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:27:31,223 INFO L93 Difference]: Finished difference Result 89 states and 94 transitions. [2018-03-28 12:27:31,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-03-28 12:27:31,223 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2018-03-28 12:27:31,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:27:31,224 INFO L225 Difference]: With dead ends: 89 [2018-03-28 12:27:31,225 INFO L226 Difference]: Without dead ends: 87 [2018-03-28 12:27:31,225 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-03-28 12:27:31,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-03-28 12:27:31,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 85. [2018-03-28 12:27:31,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-03-28 12:27:31,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 90 transitions. [2018-03-28 12:27:31,232 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 90 transitions. Word has length 28 [2018-03-28 12:27:31,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:27:31,233 INFO L459 AbstractCegarLoop]: Abstraction has 85 states and 90 transitions. [2018-03-28 12:27:31,233 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-03-28 12:27:31,233 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 90 transitions. [2018-03-28 12:27:31,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-03-28 12:27:31,234 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:27:31,234 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:27:31,234 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-03-28 12:27:31,234 INFO L82 PathProgramCache]: Analyzing trace with hash 106153868, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:27:31,240 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:27:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:27:31,257 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:27:31,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:31,271 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:27:31,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:31,297 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:27:31,298 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-03-28 12:27:31,298 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-28 12:27:31,298 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-28 12:27:31,298 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-03-28 12:27:31,298 INFO L87 Difference]: Start difference. First operand 85 states and 90 transitions. Second operand 6 states. [2018-03-28 12:27:31,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:27:31,372 INFO L93 Difference]: Finished difference Result 85 states and 90 transitions. [2018-03-28 12:27:31,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-28 12:27:31,372 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-03-28 12:27:31,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:27:31,373 INFO L225 Difference]: With dead ends: 85 [2018-03-28 12:27:31,373 INFO L226 Difference]: Without dead ends: 84 [2018-03-28 12:27:31,374 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-03-28 12:27:31,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-03-28 12:27:31,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2018-03-28 12:27:31,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-03-28 12:27:31,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 89 transitions. [2018-03-28 12:27:31,380 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 89 transitions. Word has length 31 [2018-03-28 12:27:31,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:27:31,380 INFO L459 AbstractCegarLoop]: Abstraction has 84 states and 89 transitions. [2018-03-28 12:27:31,380 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-28 12:27:31,380 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 89 transitions. [2018-03-28 12:27:31,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-03-28 12:27:31,381 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:27:31,382 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:27:31,382 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-03-28 12:27:31,382 INFO L82 PathProgramCache]: Analyzing trace with hash 106153869, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:27:31,389 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:27:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:27:31,411 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:27:31,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:31,471 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:27:31,479 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-03-28 12:27:31,480 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:31,486 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-03-28 12:27:31,486 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:31,489 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:27:31,489 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-03-28 12:27:31,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:31,523 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:27:31,523 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2018-03-28 12:27:31,524 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-03-28 12:27:31,524 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-03-28 12:27:31,524 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-03-28 12:27:31,524 INFO L87 Difference]: Start difference. First operand 84 states and 89 transitions. Second operand 9 states. [2018-03-28 12:27:31,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:27:31,642 INFO L93 Difference]: Finished difference Result 90 states and 95 transitions. [2018-03-28 12:27:31,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-03-28 12:27:31,684 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 31 [2018-03-28 12:27:31,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:27:31,685 INFO L225 Difference]: With dead ends: 90 [2018-03-28 12:27:31,685 INFO L226 Difference]: Without dead ends: 89 [2018-03-28 12:27:31,685 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 52 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-03-28 12:27:31,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-03-28 12:27:31,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2018-03-28 12:27:31,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-03-28 12:27:31,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 92 transitions. [2018-03-28 12:27:31,690 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 92 transitions. Word has length 31 [2018-03-28 12:27:31,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:27:31,691 INFO L459 AbstractCegarLoop]: Abstraction has 87 states and 92 transitions. [2018-03-28 12:27:31,691 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-03-28 12:27:31,691 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 92 transitions. [2018-03-28 12:27:31,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-03-28 12:27:31,692 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:27:31,692 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:27:31,693 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-03-28 12:27:31,693 INFO L82 PathProgramCache]: Analyzing trace with hash 692849183, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:27:31,699 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:27:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:27:31,716 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:27:31,743 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:31,744 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-03-28 12:27:31,746 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:31,747 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-03-28 12:27:31,748 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:31,752 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:31,755 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:27:31,756 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-03-28 12:27:31,782 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |c_main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0))))) is different from true [2018-03-28 12:27:31,793 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int) (|main_#t~malloc14.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0) |main_#t~malloc14.base| 0))))) is different from true [2018-03-28 12:27:31,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:31,798 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:27:31,826 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_12| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc14.base_12|))) (= (store (store (store |c_#valid| |v_main_#t~malloc14.base_12| 1) |c_main_#t~malloc13.base| 0) |v_main_#t~malloc14.base_12| 0) |c_old(#valid)|))) is different from false [2018-03-28 12:27:31,840 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_12| Int) (|v_main_#t~malloc13.base_11| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_11| 1))) (or (not (= (select .cse0 |v_main_#t~malloc14.base_12|) 0)) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc14.base_12| 1) |v_main_#t~malloc13.base_11| 0) |v_main_#t~malloc14.base_12| 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_11|)))))) is different from false [2018-03-28 12:27:31,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:31,885 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:27:31,885 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-03-28 12:27:31,885 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-03-28 12:27:31,885 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-03-28 12:27:31,886 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-03-28 12:27:31,886 INFO L87 Difference]: Start difference. First operand 87 states and 92 transitions. Second operand 12 states. [2018-03-28 12:27:31,899 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc14.base_12| Int) (|v_main_#t~malloc13.base_11| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_11| 1))) (or (not (= (select .cse0 |v_main_#t~malloc14.base_12|) 0)) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc14.base_12| 1) |v_main_#t~malloc13.base_11| 0) |v_main_#t~malloc14.base_12| 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_11|))))))) is different from false [2018-03-28 12:27:32,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:27:32,386 INFO L93 Difference]: Finished difference Result 159 states and 168 transitions. [2018-03-28 12:27:32,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-03-28 12:27:32,386 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 38 [2018-03-28 12:27:32,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:27:32,387 INFO L225 Difference]: With dead ends: 159 [2018-03-28 12:27:32,388 INFO L226 Difference]: Without dead ends: 138 [2018-03-28 12:27:32,388 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 65 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-03-28 12:27:32,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-03-28 12:27:32,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 131. [2018-03-28 12:27:32,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-03-28 12:27:32,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 144 transitions. [2018-03-28 12:27:32,397 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 144 transitions. Word has length 38 [2018-03-28 12:27:32,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:27:32,397 INFO L459 AbstractCegarLoop]: Abstraction has 131 states and 144 transitions. [2018-03-28 12:27:32,397 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-03-28 12:27:32,397 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 144 transitions. [2018-03-28 12:27:32,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-03-28 12:27:32,399 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:27:32,399 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:27:32,399 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-03-28 12:27:32,399 INFO L82 PathProgramCache]: Analyzing trace with hash -857029072, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:27:32,410 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:27:32,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:27:32,428 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:27:32,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:32,446 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:27:32,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:32,484 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:27:32,484 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-03-28 12:27:32,485 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-28 12:27:32,485 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-28 12:27:32,485 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-03-28 12:27:32,485 INFO L87 Difference]: Start difference. First operand 131 states and 144 transitions. Second operand 6 states. [2018-03-28 12:27:32,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:27:32,583 INFO L93 Difference]: Finished difference Result 131 states and 144 transitions. [2018-03-28 12:27:32,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-28 12:27:32,584 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2018-03-28 12:27:32,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:27:32,585 INFO L225 Difference]: With dead ends: 131 [2018-03-28 12:27:32,585 INFO L226 Difference]: Without dead ends: 129 [2018-03-28 12:27:32,586 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-03-28 12:27:32,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-03-28 12:27:32,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-03-28 12:27:32,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-03-28 12:27:32,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 140 transitions. [2018-03-28 12:27:32,597 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 140 transitions. Word has length 38 [2018-03-28 12:27:32,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:27:32,598 INFO L459 AbstractCegarLoop]: Abstraction has 129 states and 140 transitions. [2018-03-28 12:27:32,598 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-28 12:27:32,598 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 140 transitions. [2018-03-28 12:27:32,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-03-28 12:27:32,599 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:27:32,599 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:27:32,600 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-03-28 12:27:32,600 INFO L82 PathProgramCache]: Analyzing trace with hash -857029071, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:27:32,606 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:27:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:27:32,629 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:27:32,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:32,727 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:27:32,787 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-03-28 12:27:32,787 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:32,789 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:32,789 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:3 [2018-03-28 12:27:32,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:32,833 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:27:32,833 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 10 [2018-03-28 12:27:32,834 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-03-28 12:27:32,834 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-03-28 12:27:32,834 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2018-03-28 12:27:32,834 INFO L87 Difference]: Start difference. First operand 129 states and 140 transitions. Second operand 11 states. [2018-03-28 12:27:33,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:27:33,007 INFO L93 Difference]: Finished difference Result 133 states and 144 transitions. [2018-03-28 12:27:33,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-03-28 12:27:33,008 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 38 [2018-03-28 12:27:33,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:27:33,009 INFO L225 Difference]: With dead ends: 133 [2018-03-28 12:27:33,009 INFO L226 Difference]: Without dead ends: 132 [2018-03-28 12:27:33,009 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-03-28 12:27:33,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-03-28 12:27:33,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 128. [2018-03-28 12:27:33,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-03-28 12:27:33,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 138 transitions. [2018-03-28 12:27:33,015 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 138 transitions. Word has length 38 [2018-03-28 12:27:33,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:27:33,015 INFO L459 AbstractCegarLoop]: Abstraction has 128 states and 138 transitions. [2018-03-28 12:27:33,015 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-03-28 12:27:33,016 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 138 transitions. [2018-03-28 12:27:33,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-03-28 12:27:33,017 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:27:33,017 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:27:33,017 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-03-28 12:27:33,017 INFO L82 PathProgramCache]: Analyzing trace with hash 736459129, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:27:33,027 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:27:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:27:33,045 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:27:33,095 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:33,096 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-03-28 12:27:33,100 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-03-28 12:27:33,100 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:33,106 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:33,111 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:27:33,111 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-03-28 12:27:33,140 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |c_main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0))))) is different from true [2018-03-28 12:27:33,146 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int) (|main_#t~malloc14.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0) |main_#t~malloc14.base| 0))))) is different from true [2018-03-28 12:27:33,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:33,150 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:27:33,175 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_15| Int)) (or (= |c_old(#valid)| (store (store (store |c_#valid| |v_main_#t~malloc14.base_15| 1) |c_main_#t~malloc13.base| 0) |v_main_#t~malloc14.base_15| 0)) (not (= (select |c_#valid| |v_main_#t~malloc14.base_15|) 0)))) is different from false [2018-03-28 12:27:33,185 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc13.base_14| Int) (|v_main_#t~malloc14.base_15| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_14| 1))) (or (not (= (select .cse0 |v_main_#t~malloc14.base_15|) 0)) (= (store (store (store .cse0 |v_main_#t~malloc14.base_15| 1) |v_main_#t~malloc13.base_14| 0) |v_main_#t~malloc14.base_15| 0) |c_old(#valid)|) (not (= (select |c_#valid| |v_main_#t~malloc13.base_14|) 0))))) is different from false [2018-03-28 12:27:33,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:33,223 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:27:33,223 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-03-28 12:27:33,223 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-03-28 12:27:33,223 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-03-28 12:27:33,223 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-03-28 12:27:33,224 INFO L87 Difference]: Start difference. First operand 128 states and 138 transitions. Second operand 12 states. [2018-03-28 12:27:33,235 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc13.base_14| Int) (|v_main_#t~malloc14.base_15| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_14| 1))) (or (not (= (select .cse0 |v_main_#t~malloc14.base_15|) 0)) (= (store (store (store .cse0 |v_main_#t~malloc14.base_15| 1) |v_main_#t~malloc13.base_14| 0) |v_main_#t~malloc14.base_15| 0) |c_old(#valid)|) (not (= (select |c_#valid| |v_main_#t~malloc13.base_14|) 0)))))) is different from false [2018-03-28 12:27:33,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:27:33,641 INFO L93 Difference]: Finished difference Result 197 states and 210 transitions. [2018-03-28 12:27:33,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-03-28 12:27:33,641 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 39 [2018-03-28 12:27:33,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:27:33,642 INFO L225 Difference]: With dead ends: 197 [2018-03-28 12:27:33,642 INFO L226 Difference]: Without dead ends: 176 [2018-03-28 12:27:33,643 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 67 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-03-28 12:27:33,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-03-28 12:27:33,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 129. [2018-03-28 12:27:33,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-03-28 12:27:33,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 139 transitions. [2018-03-28 12:27:33,652 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 139 transitions. Word has length 39 [2018-03-28 12:27:33,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:27:33,653 INFO L459 AbstractCegarLoop]: Abstraction has 129 states and 139 transitions. [2018-03-28 12:27:33,653 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-03-28 12:27:33,653 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 139 transitions. [2018-03-28 12:27:33,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-03-28 12:27:33,654 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:27:33,654 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:27:33,654 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-03-28 12:27:33,655 INFO L82 PathProgramCache]: Analyzing trace with hash -406781998, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:27:33,663 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:27:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:27:33,679 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:27:33,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:33,697 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:27:33,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:33,722 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:27:33,722 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2018-03-28 12:27:33,722 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-03-28 12:27:33,723 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-03-28 12:27:33,723 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-03-28 12:27:33,723 INFO L87 Difference]: Start difference. First operand 129 states and 139 transitions. Second operand 7 states. [2018-03-28 12:27:33,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:27:33,833 INFO L93 Difference]: Finished difference Result 129 states and 139 transitions. [2018-03-28 12:27:33,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-03-28 12:27:33,833 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 39 [2018-03-28 12:27:33,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:27:33,834 INFO L225 Difference]: With dead ends: 129 [2018-03-28 12:27:33,834 INFO L226 Difference]: Without dead ends: 128 [2018-03-28 12:27:33,835 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-03-28 12:27:33,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-03-28 12:27:33,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-03-28 12:27:33,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-03-28 12:27:33,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 137 transitions. [2018-03-28 12:27:33,844 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 137 transitions. Word has length 39 [2018-03-28 12:27:33,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:27:33,844 INFO L459 AbstractCegarLoop]: Abstraction has 128 states and 137 transitions. [2018-03-28 12:27:33,844 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-03-28 12:27:33,844 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 137 transitions. [2018-03-28 12:27:33,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-03-28 12:27:33,845 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:27:33,845 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:27:33,846 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-03-28 12:27:33,846 INFO L82 PathProgramCache]: Analyzing trace with hash -406781997, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:27:33,857 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:27:33,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:27:33,883 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:27:33,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:33,959 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:27:34,027 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-03-28 12:27:34,027 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:34,028 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:34,028 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:3 [2018-03-28 12:27:34,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:34,056 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:27:34,056 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 14 [2018-03-28 12:27:34,057 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-03-28 12:27:34,057 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-03-28 12:27:34,057 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-03-28 12:27:34,057 INFO L87 Difference]: Start difference. First operand 128 states and 137 transitions. Second operand 15 states. [2018-03-28 12:27:34,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:27:34,295 INFO L93 Difference]: Finished difference Result 192 states and 206 transitions. [2018-03-28 12:27:34,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-03-28 12:27:34,296 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 39 [2018-03-28 12:27:34,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:27:34,297 INFO L225 Difference]: With dead ends: 192 [2018-03-28 12:27:34,297 INFO L226 Difference]: Without dead ends: 184 [2018-03-28 12:27:34,298 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=110, Invalid=490, Unknown=0, NotChecked=0, Total=600 [2018-03-28 12:27:34,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2018-03-28 12:27:34,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 137. [2018-03-28 12:27:34,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-03-28 12:27:34,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 147 transitions. [2018-03-28 12:27:34,308 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 147 transitions. Word has length 39 [2018-03-28 12:27:34,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:27:34,309 INFO L459 AbstractCegarLoop]: Abstraction has 137 states and 147 transitions. [2018-03-28 12:27:34,309 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-03-28 12:27:34,309 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 147 transitions. [2018-03-28 12:27:34,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-03-28 12:27:34,310 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:27:34,310 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:27:34,310 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-03-28 12:27:34,310 INFO L82 PathProgramCache]: Analyzing trace with hash 2101014142, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:27:34,316 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:27:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:27:34,333 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:27:34,362 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:34,363 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-03-28 12:27:34,366 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-03-28 12:27:34,366 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:34,370 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:34,382 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:27:34,382 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-03-28 12:27:34,405 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |c_main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0))))) is different from true [2018-03-28 12:27:34,409 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int) (|main_#t~malloc14.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0) |main_#t~malloc14.base| 0))))) is different from true [2018-03-28 12:27:34,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:34,414 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:27:34,434 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_18| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc14.base_18|))) (= (store (store (store |c_#valid| |v_main_#t~malloc14.base_18| 1) |c_main_#t~malloc13.base| 0) |v_main_#t~malloc14.base_18| 0) |c_old(#valid)|))) is different from false [2018-03-28 12:27:34,437 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_18| Int) (|v_main_#t~malloc13.base_17| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_17| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_17|))) (not (= 0 (select .cse0 |v_main_#t~malloc14.base_18|))) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc14.base_18| 1) |v_main_#t~malloc13.base_17| 0) |v_main_#t~malloc14.base_18| 0))))) is different from false [2018-03-28 12:27:34,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:34,474 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:27:34,474 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-03-28 12:27:34,475 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-03-28 12:27:34,475 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-03-28 12:27:34,475 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-03-28 12:27:34,475 INFO L87 Difference]: Start difference. First operand 137 states and 147 transitions. Second operand 12 states. [2018-03-28 12:27:34,487 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc14.base_18| Int) (|v_main_#t~malloc13.base_17| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_17| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_17|))) (not (= 0 (select .cse0 |v_main_#t~malloc14.base_18|))) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc14.base_18| 1) |v_main_#t~malloc13.base_17| 0) |v_main_#t~malloc14.base_18| 0)))))) is different from false [2018-03-28 12:27:34,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:27:34,892 INFO L93 Difference]: Finished difference Result 212 states and 226 transitions. [2018-03-28 12:27:34,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-03-28 12:27:34,893 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 39 [2018-03-28 12:27:34,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:27:34,894 INFO L225 Difference]: With dead ends: 212 [2018-03-28 12:27:34,894 INFO L226 Difference]: Without dead ends: 184 [2018-03-28 12:27:34,894 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 67 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-03-28 12:27:34,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2018-03-28 12:27:34,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 137. [2018-03-28 12:27:34,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-03-28 12:27:34,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 147 transitions. [2018-03-28 12:27:34,902 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 147 transitions. Word has length 39 [2018-03-28 12:27:34,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:27:34,902 INFO L459 AbstractCegarLoop]: Abstraction has 137 states and 147 transitions. [2018-03-28 12:27:34,902 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-03-28 12:27:34,902 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 147 transitions. [2018-03-28 12:27:34,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-03-28 12:27:34,903 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:27:34,903 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:27:34,903 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-03-28 12:27:34,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1439899898, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:27:34,909 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:27:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:27:34,929 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:27:34,953 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:34,954 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-03-28 12:27:34,956 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-03-28 12:27:34,956 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:34,959 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:34,963 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:27:34,963 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-03-28 12:27:34,986 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |c_main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0))))) is different from true [2018-03-28 12:27:34,990 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int) (|main_#t~malloc14.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0) |main_#t~malloc14.base| 0))))) is different from true [2018-03-28 12:27:34,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:34,994 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:27:35,013 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_20| Int)) (or (= (store (store (store |c_#valid| |v_main_#t~malloc14.base_20| 1) |c_main_#t~malloc13.base| 0) |v_main_#t~malloc14.base_20| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc14.base_20|))))) is different from false [2018-03-28 12:27:35,017 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_20| Int) (|v_main_#t~malloc13.base_19| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_19| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_19|))) (not (= 0 (select .cse0 |v_main_#t~malloc14.base_20|))) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc14.base_20| 1) |v_main_#t~malloc13.base_19| 0) |v_main_#t~malloc14.base_20| 0))))) is different from false [2018-03-28 12:27:35,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:35,058 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:27:35,058 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-03-28 12:27:35,058 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-03-28 12:27:35,058 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-03-28 12:27:35,058 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-03-28 12:27:35,059 INFO L87 Difference]: Start difference. First operand 137 states and 147 transitions. Second operand 12 states. [2018-03-28 12:27:35,069 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc14.base_20| Int) (|v_main_#t~malloc13.base_19| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_19| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_19|))) (not (= 0 (select .cse0 |v_main_#t~malloc14.base_20|))) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc14.base_20| 1) |v_main_#t~malloc13.base_19| 0) |v_main_#t~malloc14.base_20| 0)))))) is different from false [2018-03-28 12:27:35,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:27:35,377 INFO L93 Difference]: Finished difference Result 140 states and 147 transitions. [2018-03-28 12:27:35,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-03-28 12:27:35,378 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 40 [2018-03-28 12:27:35,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:27:35,378 INFO L225 Difference]: With dead ends: 140 [2018-03-28 12:27:35,379 INFO L226 Difference]: Without dead ends: 112 [2018-03-28 12:27:35,379 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 69 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-03-28 12:27:35,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-03-28 12:27:35,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 63. [2018-03-28 12:27:35,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-03-28 12:27:35,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 65 transitions. [2018-03-28 12:27:35,387 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 65 transitions. Word has length 40 [2018-03-28 12:27:35,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:27:35,387 INFO L459 AbstractCegarLoop]: Abstraction has 63 states and 65 transitions. [2018-03-28 12:27:35,387 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-03-28 12:27:35,388 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 65 transitions. [2018-03-28 12:27:35,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-03-28 12:27:35,388 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:27:35,388 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:27:35,388 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-03-28 12:27:35,388 INFO L82 PathProgramCache]: Analyzing trace with hash -659574947, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:27:35,395 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:27:35,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:27:35,413 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:27:35,417 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 12:27:35,417 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:35,420 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:35,420 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-28 12:27:35,431 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:35,431 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:35,432 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 12:27:35,432 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:35,435 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:35,435 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-03-28 12:27:35,449 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-03-28 12:27:35,450 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-03-28 12:27:35,450 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:35,452 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:35,457 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 12:27:35,457 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:25 [2018-03-28 12:27:35,471 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 26 [2018-03-28 12:27:35,473 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-03-28 12:27:35,474 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:35,479 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:35,486 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-03-28 12:27:35,487 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:39, output treesize:35 [2018-03-28 12:27:35,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2018-03-28 12:27:35,639 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-03-28 12:27:35,639 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:35,650 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 13 [2018-03-28 12:27:35,650 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-03-28 12:27:35,654 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:27:35,666 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:27:35,666 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:52, output treesize:29 [2018-03-28 12:27:35,719 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:35,720 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:27:35,941 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-03-28 12:27:35,941 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:35,949 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-03-28 12:27:35,959 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-03-28 12:27:35,959 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:35,960 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:35,965 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:35,966 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:35, output treesize:7 [2018-03-28 12:27:35,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:36,016 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:27:36,016 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10] total 22 [2018-03-28 12:27:36,016 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-03-28 12:27:36,017 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-03-28 12:27:36,017 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=439, Unknown=0, NotChecked=0, Total=506 [2018-03-28 12:27:36,017 INFO L87 Difference]: Start difference. First operand 63 states and 65 transitions. Second operand 23 states. [2018-03-28 12:27:36,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:27:36,616 INFO L93 Difference]: Finished difference Result 97 states and 99 transitions. [2018-03-28 12:27:36,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-03-28 12:27:36,616 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 47 [2018-03-28 12:27:36,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:27:36,617 INFO L225 Difference]: With dead ends: 97 [2018-03-28 12:27:36,617 INFO L226 Difference]: Without dead ends: 96 [2018-03-28 12:27:36,617 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 70 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=202, Invalid=1058, Unknown=0, NotChecked=0, Total=1260 [2018-03-28 12:27:36,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-03-28 12:27:36,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 78. [2018-03-28 12:27:36,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-03-28 12:27:36,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 80 transitions. [2018-03-28 12:27:36,623 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 80 transitions. Word has length 47 [2018-03-28 12:27:36,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:27:36,623 INFO L459 AbstractCegarLoop]: Abstraction has 78 states and 80 transitions. [2018-03-28 12:27:36,623 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-03-28 12:27:36,623 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 80 transitions. [2018-03-28 12:27:36,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-03-28 12:27:36,624 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:27:36,624 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:27:36,624 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-03-28 12:27:36,624 INFO L82 PathProgramCache]: Analyzing trace with hash 78137128, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:27:36,629 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:27:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:27:36,649 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:27:36,654 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-03-28 12:27:36,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-03-28 12:27:36,656 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:36,657 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:36,661 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 12:27:36,661 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-03-28 12:27:36,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 31 [2018-03-28 12:27:36,881 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-03-28 12:27:36,881 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:36,908 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 18 [2018-03-28 12:27:36,909 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-03-28 12:27:36,958 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 25 [2018-03-28 12:27:36,959 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-03-28 12:27:36,972 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-28 12:27:36,989 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:27:36,989 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:49, output treesize:29 [2018-03-28 12:27:37,072 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:37,073 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:27:37,560 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-03-28 12:27:37,561 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:37,581 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2018-03-28 12:27:37,616 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2018-03-28 12:27:37,617 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:37,630 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2018-03-28 12:27:37,630 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:37,643 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2018-03-28 12:27:37,643 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:37,647 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:37,657 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:37,657 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:69, output treesize:7 [2018-03-28 12:27:37,687 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:37,709 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:27:37,710 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2018-03-28 12:27:37,710 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-03-28 12:27:37,710 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-03-28 12:27:37,711 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=620, Unknown=0, NotChecked=0, Total=702 [2018-03-28 12:27:37,711 INFO L87 Difference]: Start difference. First operand 78 states and 80 transitions. Second operand 27 states. [2018-03-28 12:27:38,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:27:38,832 INFO L93 Difference]: Finished difference Result 87 states and 90 transitions. [2018-03-28 12:27:38,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-03-28 12:27:38,832 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 50 [2018-03-28 12:27:38,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:27:38,833 INFO L225 Difference]: With dead ends: 87 [2018-03-28 12:27:38,833 INFO L226 Difference]: Without dead ends: 86 [2018-03-28 12:27:38,834 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=281, Invalid=1789, Unknown=0, NotChecked=0, Total=2070 [2018-03-28 12:27:38,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-03-28 12:27:38,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 81. [2018-03-28 12:27:38,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-03-28 12:27:38,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 83 transitions. [2018-03-28 12:27:38,840 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 83 transitions. Word has length 50 [2018-03-28 12:27:38,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:27:38,840 INFO L459 AbstractCegarLoop]: Abstraction has 81 states and 83 transitions. [2018-03-28 12:27:38,840 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-03-28 12:27:38,841 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 83 transitions. [2018-03-28 12:27:38,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-03-28 12:27:38,841 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:27:38,841 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:27:38,841 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-03-28 12:27:38,841 INFO L82 PathProgramCache]: Analyzing trace with hash 177583214, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:27:38,847 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:27:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:27:38,867 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:27:38,897 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:38,897 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:27:38,919 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 18 [2018-03-28 12:27:38,920 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-03-28 12:27:38,926 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-03-28 12:27:38,926 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:38,929 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-28 12:27:38,930 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:12 [2018-03-28 12:27:38,962 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:38,984 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:27:38,984 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2018-03-28 12:27:38,985 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-03-28 12:27:38,985 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-03-28 12:27:38,985 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-03-28 12:27:38,985 INFO L87 Difference]: Start difference. First operand 81 states and 83 transitions. Second operand 14 states. [2018-03-28 12:27:39,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:27:39,108 INFO L93 Difference]: Finished difference Result 81 states and 83 transitions. [2018-03-28 12:27:39,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-03-28 12:27:39,109 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 58 [2018-03-28 12:27:39,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:27:39,109 INFO L225 Difference]: With dead ends: 81 [2018-03-28 12:27:39,109 INFO L226 Difference]: Without dead ends: 73 [2018-03-28 12:27:39,110 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2018-03-28 12:27:39,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-03-28 12:27:39,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-03-28 12:27:39,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-03-28 12:27:39,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 75 transitions. [2018-03-28 12:27:39,119 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 75 transitions. Word has length 58 [2018-03-28 12:27:39,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:27:39,120 INFO L459 AbstractCegarLoop]: Abstraction has 73 states and 75 transitions. [2018-03-28 12:27:39,120 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-03-28 12:27:39,120 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 75 transitions. [2018-03-28 12:27:39,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-03-28 12:27:39,121 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:27:39,121 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:27:39,121 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-03-28 12:27:39,121 INFO L82 PathProgramCache]: Analyzing trace with hash -889218824, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:27:39,128 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:27:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:27:39,154 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:27:39,157 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 12:27:39,157 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:39,162 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 12:27:39,163 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:39,166 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:39,167 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-03-28 12:27:39,180 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:39,181 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-03-28 12:27:39,182 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:39,190 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:39,191 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:27:39,191 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 12:27:39,191 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:39,197 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:39,198 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-03-28 12:27:39,218 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-03-28 12:27:39,220 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-03-28 12:27:39,220 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:39,221 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:39,228 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 12:27:39,228 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:28 [2018-03-28 12:27:39,258 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-03-28 12:27:39,260 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-03-28 12:27:39,261 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:39,265 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:39,273 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-03-28 12:27:39,273 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:39, output treesize:35 [2018-03-28 12:27:39,985 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2018-03-28 12:27:39,988 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 1 [2018-03-28 12:27:39,988 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:40,004 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 15 [2018-03-28 12:27:40,004 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-03-28 12:27:40,008 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:27:40,018 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:27:40,018 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:52, output treesize:37 [2018-03-28 12:27:40,114 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:40,114 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:27:40,568 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-03-28 12:27:40,577 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-03-28 12:27:40,577 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:40,579 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:40,585 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:40,585 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:44 [2018-03-28 12:27:40,706 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:40,727 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:27:40,727 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 31 [2018-03-28 12:27:40,728 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-03-28 12:27:40,728 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-03-28 12:27:40,728 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=881, Unknown=0, NotChecked=0, Total=992 [2018-03-28 12:27:40,728 INFO L87 Difference]: Start difference. First operand 73 states and 75 transitions. Second operand 32 states. [2018-03-28 12:27:45,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:27:45,971 INFO L93 Difference]: Finished difference Result 79 states and 81 transitions. [2018-03-28 12:27:45,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-03-28 12:27:45,971 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 66 [2018-03-28 12:27:45,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:27:45,972 INFO L225 Difference]: With dead ends: 79 [2018-03-28 12:27:45,972 INFO L226 Difference]: Without dead ends: 78 [2018-03-28 12:27:45,973 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 387 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=384, Invalid=2065, Unknown=1, NotChecked=0, Total=2450 [2018-03-28 12:27:45,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-03-28 12:27:45,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 72. [2018-03-28 12:27:45,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-03-28 12:27:45,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 74 transitions. [2018-03-28 12:27:45,981 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 74 transitions. Word has length 66 [2018-03-28 12:27:45,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:27:45,981 INFO L459 AbstractCegarLoop]: Abstraction has 72 states and 74 transitions. [2018-03-28 12:27:45,981 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-03-28 12:27:45,981 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2018-03-28 12:27:45,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-03-28 12:27:45,982 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:27:45,982 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:27:45,982 INFO L408 AbstractCegarLoop]: === Iteration 21 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-03-28 12:27:45,982 INFO L82 PathProgramCache]: Analyzing trace with hash 640299949, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:27:45,987 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:27:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:27:46,012 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:27:46,014 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 12:27:46,014 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:46,017 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:46,017 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-28 12:27:46,026 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-03-28 12:27:46,028 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-03-28 12:27:46,028 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:46,029 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:46,030 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:46,030 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-03-28 12:27:46,190 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 32 [2018-03-28 12:27:46,195 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 21 [2018-03-28 12:27:46,196 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:46,217 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 19 [2018-03-28 12:27:46,217 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-03-28 12:27:46,245 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 27 [2018-03-28 12:27:46,245 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-03-28 12:27:46,258 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-28 12:27:46,271 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:27:46,271 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:40, output treesize:32 [2018-03-28 12:27:46,344 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:46,344 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:27:46,976 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2018-03-28 12:27:47,012 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2018-03-28 12:27:47,012 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:47,033 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2018-03-28 12:27:47,034 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:47,044 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2018-03-28 12:27:47,045 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:27:47,049 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:27:47,057 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:27:47,057 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:65, output treesize:35 [2018-03-28 12:27:47,143 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:27:47,164 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:27:47,164 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20] total 37 [2018-03-28 12:27:47,164 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-03-28 12:27:47,165 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-03-28 12:27:47,165 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=1245, Unknown=0, NotChecked=0, Total=1406 [2018-03-28 12:27:47,165 INFO L87 Difference]: Start difference. First operand 72 states and 74 transitions. Second operand 38 states. [2018-03-28 12:27:48,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:27:48,374 INFO L93 Difference]: Finished difference Result 75 states and 77 transitions. [2018-03-28 12:27:48,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-03-28 12:27:48,375 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 69 [2018-03-28 12:27:48,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:27:48,375 INFO L225 Difference]: With dead ends: 75 [2018-03-28 12:27:48,375 INFO L226 Difference]: Without dead ends: 0 [2018-03-28 12:27:48,376 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 688 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=700, Invalid=3206, Unknown=0, NotChecked=0, Total=3906 [2018-03-28 12:27:48,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-03-28 12:27:48,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-03-28 12:27:48,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-03-28 12:27:48,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-03-28 12:27:48,377 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2018-03-28 12:27:48,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:27:48,377 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-03-28 12:27:48,377 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-03-28 12:27:48,377 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-03-28 12:27:48,377 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-03-28 12:27:48,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-03-28 12:27:48,550 WARN L151 SmtUtils]: Spent 167ms on a formula simplification. DAG size of input: 205 DAG size of output 201 [2018-03-28 12:27:54,494 WARN L151 SmtUtils]: Spent 5910ms on a formula simplification. DAG size of input: 245 DAG size of output 105 [2018-03-28 12:27:54,674 WARN L151 SmtUtils]: Spent 178ms on a formula simplification. DAG size of input: 156 DAG size of output 73 [2018-03-28 12:27:54,746 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32ENTRY(lines 56 60) no Hoare annotation was computed. [2018-03-28 12:27:54,746 INFO L416 ceAbstractionStarter]: For program point L59(line 59) no Hoare annotation was computed. [2018-03-28 12:27:54,747 INFO L416 ceAbstractionStarter]: For program point L59'(line 59) no Hoare annotation was computed. [2018-03-28 12:27:54,747 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32FINAL(lines 56 60) no Hoare annotation was computed. [2018-03-28 12:27:54,747 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32EXIT(lines 56 60) no Hoare annotation was computed. [2018-03-28 12:27:54,747 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-03-28 12:27:54,747 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-03-28 12:27:54,747 INFO L412 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-03-28 12:27:54,747 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-03-28 12:27:54,747 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64ENTRY(lines 61 65) no Hoare annotation was computed. [2018-03-28 12:27:54,747 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64FINAL(lines 61 65) no Hoare annotation was computed. [2018-03-28 12:27:54,747 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64EXIT(lines 61 65) no Hoare annotation was computed. [2018-03-28 12:27:54,747 INFO L416 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-03-28 12:27:54,747 INFO L416 ceAbstractionStarter]: For program point L64'(line 64) no Hoare annotation was computed. [2018-03-28 12:27:54,747 INFO L419 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-03-28 12:27:54,748 INFO L419 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-03-28 12:27:54,748 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-03-28 12:27:54,748 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-03-28 12:27:54,748 INFO L416 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-03-28 12:27:54,748 INFO L416 ceAbstractionStarter]: For program point mainErr1RequiresViolation(line 564) no Hoare annotation was computed. [2018-03-28 12:27:54,748 INFO L416 ceAbstractionStarter]: For program point L564(line 564) no Hoare annotation was computed. [2018-03-28 12:27:54,748 INFO L416 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-03-28 12:27:54,748 INFO L416 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-03-28 12:27:54,748 INFO L416 ceAbstractionStarter]: For program point L563'(line 563) no Hoare annotation was computed. [2018-03-28 12:27:54,748 INFO L412 ceAbstractionStarter]: At program point L566(line 566) the Hoare annotation is: (let ((.cse0 (store |old(#valid)| |main_#t~malloc13.base| 1)) (.cse1 (select |#length| main_~nondetString2~0.base))) (and (= main_~nondetString2~0.offset 0) (= 0 main_~nondetString1~0.offset) (= (select |#length| |main_#t~malloc14.base|) main_~length2~0) (not (= main_~nondetString2~0.base main_~nondetString1~0.base)) (= (select |#length| main_~nondetString1~0.base) main_~length1~0) (= |main_#t~malloc14.offset| 0) (exists ((main_~nondetString1~0.offset Int)) (and (<= 0 main_~nondetString1~0.offset) (<= main_~nondetString1~0.offset 0) (= (select (select |#memory_int| main_~nondetString1~0.base) (+ main_~nondetString1~0.offset (select |#length| main_~nondetString1~0.base) (- 1))) 0))) (= |#valid| (store .cse0 |main_#t~malloc14.base| 1)) (= (select |#length| |main_#t~malloc13.base|) main_~length1~0) (exists ((main_~length2~0 Int)) (and (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ main_~nondetString2~0.offset main_~length2~0 (- 1)))) (<= 1 main_~length2~0) (<= (+ main_~nondetString2~0.offset main_~length2~0) (select |#length| main_~nondetString2~0.base)))) (not (= |main_#t~malloc14.base| main_~nondetString1~0.base)) (= 1 (select |#valid| main_~nondetString1~0.base)) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ .cse1 (- 1)))) (= 0 |main_#t~malloc13.offset|) (= (select .cse0 |main_#t~malloc14.base|) 0) (= 0 (select |old(#valid)| |main_#t~malloc13.base|)) (exists ((main_~length1~0 Int)) (and (<= (+ main_~nondetString1~0.offset main_~length1~0) (select |#length| main_~nondetString1~0.base)) (<= 1 main_~length1~0) (= (select (select |#memory_int| main_~nondetString1~0.base) (+ main_~nondetString1~0.offset main_~length1~0 (- 1))) 0))) (= .cse1 main_~length2~0) (= 1 (select |#valid| main_~nondetString2~0.base)))) [2018-03-28 12:27:54,748 INFO L416 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-03-28 12:27:54,749 INFO L416 ceAbstractionStarter]: For program point mainErr0RequiresViolation(line 564) no Hoare annotation was computed. [2018-03-28 12:27:54,749 INFO L416 ceAbstractionStarter]: For program point mainErr2RequiresViolation(line 565) no Hoare annotation was computed. [2018-03-28 12:27:54,749 INFO L416 ceAbstractionStarter]: For program point L554'(line 554) no Hoare annotation was computed. [2018-03-28 12:27:54,749 INFO L416 ceAbstractionStarter]: For program point L566'(line 566) no Hoare annotation was computed. [2018-03-28 12:27:54,749 INFO L416 ceAbstractionStarter]: For program point L555''(line 555) no Hoare annotation was computed. [2018-03-28 12:27:54,749 INFO L416 ceAbstractionStarter]: For program point L566''''(line 566) no Hoare annotation was computed. [2018-03-28 12:27:54,749 INFO L416 ceAbstractionStarter]: For program point L556''(lines 553 567) no Hoare annotation was computed. [2018-03-28 12:27:54,749 INFO L416 ceAbstractionStarter]: For program point L566'''(line 566) no Hoare annotation was computed. [2018-03-28 12:27:54,749 INFO L416 ceAbstractionStarter]: For program point mainErr3RequiresViolation(line 565) no Hoare annotation was computed. [2018-03-28 12:27:54,749 INFO L416 ceAbstractionStarter]: For program point L562'(line 562) no Hoare annotation was computed. [2018-03-28 12:27:54,749 INFO L416 ceAbstractionStarter]: For program point L564'(line 564) no Hoare annotation was computed. [2018-03-28 12:27:54,750 INFO L416 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-03-28 12:27:54,750 INFO L416 ceAbstractionStarter]: For program point mainFINAL(lines 553 567) no Hoare annotation was computed. [2018-03-28 12:27:54,750 INFO L416 ceAbstractionStarter]: For program point L556(lines 556 558) no Hoare annotation was computed. [2018-03-28 12:27:54,750 INFO L416 ceAbstractionStarter]: For program point L555(line 555) no Hoare annotation was computed. [2018-03-28 12:27:54,750 INFO L416 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-03-28 12:27:54,750 INFO L416 ceAbstractionStarter]: For program point mainErr4EnsuresViolationMEMORY_LEAK(lines 553 567) no Hoare annotation was computed. [2018-03-28 12:27:54,750 INFO L416 ceAbstractionStarter]: For program point mainEXIT(lines 553 567) no Hoare annotation was computed. [2018-03-28 12:27:54,750 INFO L412 ceAbstractionStarter]: At program point mainENTRY(lines 553 567) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-03-28 12:27:54,750 INFO L416 ceAbstractionStarter]: For program point L562''(line 562) no Hoare annotation was computed. [2018-03-28 12:27:54,750 INFO L416 ceAbstractionStarter]: For program point L563''(line 563) no Hoare annotation was computed. [2018-03-28 12:27:54,750 INFO L416 ceAbstractionStarter]: For program point L555'(line 555) no Hoare annotation was computed. [2018-03-28 12:27:54,750 INFO L416 ceAbstractionStarter]: For program point L563'''(line 563) no Hoare annotation was computed. [2018-03-28 12:27:54,750 INFO L416 ceAbstractionStarter]: For program point L559'(lines 559 561) no Hoare annotation was computed. [2018-03-28 12:27:54,750 INFO L416 ceAbstractionStarter]: For program point L566''(line 566) no Hoare annotation was computed. [2018-03-28 12:27:54,750 INFO L416 ceAbstractionStarter]: For program point L546''''''(line 546) no Hoare annotation was computed. [2018-03-28 12:27:54,751 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation(line 547) no Hoare annotation was computed. [2018-03-28 12:27:54,751 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpFINAL(lines 540 552) no Hoare annotation was computed. [2018-03-28 12:27:54,751 INFO L416 ceAbstractionStarter]: For program point L540(lines 540 552) no Hoare annotation was computed. [2018-03-28 12:27:54,751 INFO L416 ceAbstractionStarter]: For program point L546(line 546) no Hoare annotation was computed. [2018-03-28 12:27:54,751 INFO L419 ceAbstractionStarter]: At program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpENTRY(lines 540 552) the Hoare annotation is: true [2018-03-28 12:27:54,751 INFO L416 ceAbstractionStarter]: For program point L545(lines 545 550) no Hoare annotation was computed. [2018-03-28 12:27:54,751 INFO L416 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-03-28 12:27:54,751 INFO L416 ceAbstractionStarter]: For program point L548''''(line 548) no Hoare annotation was computed. [2018-03-28 12:27:54,751 INFO L416 ceAbstractionStarter]: For program point L543(lines 543 544) no Hoare annotation was computed. [2018-03-28 12:27:54,751 INFO L416 ceAbstractionStarter]: For program point L546'''''(line 546) no Hoare annotation was computed. [2018-03-28 12:27:54,751 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation(line 547) no Hoare annotation was computed. [2018-03-28 12:27:54,751 INFO L416 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-03-28 12:27:54,751 INFO L416 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-03-28 12:27:54,751 INFO L416 ceAbstractionStarter]: For program point L550''(line 550) no Hoare annotation was computed. [2018-03-28 12:27:54,751 INFO L416 ceAbstractionStarter]: For program point L546'(line 546) no Hoare annotation was computed. [2018-03-28 12:27:54,752 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation(line 546) no Hoare annotation was computed. [2018-03-28 12:27:54,752 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation(line 547) no Hoare annotation was computed. [2018-03-28 12:27:54,752 INFO L416 ceAbstractionStarter]: For program point L548'''''(line 548) no Hoare annotation was computed. [2018-03-28 12:27:54,752 INFO L416 ceAbstractionStarter]: For program point L546''''(lines 546 547) no Hoare annotation was computed. [2018-03-28 12:27:54,752 INFO L416 ceAbstractionStarter]: For program point L548'''''''(line 548) no Hoare annotation was computed. [2018-03-28 12:27:54,752 INFO L416 ceAbstractionStarter]: For program point L550'(line 550) no Hoare annotation was computed. [2018-03-28 12:27:54,752 INFO L416 ceAbstractionStarter]: For program point L546'''''''(line 546) no Hoare annotation was computed. [2018-03-28 12:27:54,752 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation(line 547) no Hoare annotation was computed. [2018-03-28 12:27:54,752 INFO L416 ceAbstractionStarter]: For program point L547''''(line 547) no Hoare annotation was computed. [2018-03-28 12:27:54,752 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation(line 546) no Hoare annotation was computed. [2018-03-28 12:27:54,752 INFO L416 ceAbstractionStarter]: For program point L548'''(lines 548 549) no Hoare annotation was computed. [2018-03-28 12:27:54,752 INFO L416 ceAbstractionStarter]: For program point L547'(line 547) no Hoare annotation was computed. [2018-03-28 12:27:54,752 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation(line 548) no Hoare annotation was computed. [2018-03-28 12:27:54,753 INFO L416 ceAbstractionStarter]: For program point L547''''''(line 547) no Hoare annotation was computed. [2018-03-28 12:27:54,753 INFO L416 ceAbstractionStarter]: For program point L546''''''''(line 546) no Hoare annotation was computed. [2018-03-28 12:27:54,753 INFO L416 ceAbstractionStarter]: For program point L547''(line 547) no Hoare annotation was computed. [2018-03-28 12:27:54,753 INFO L416 ceAbstractionStarter]: For program point L546''''''''''(line 546) no Hoare annotation was computed. [2018-03-28 12:27:54,753 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation(line 546) no Hoare annotation was computed. [2018-03-28 12:27:54,753 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpEXIT(lines 540 552) no Hoare annotation was computed. [2018-03-28 12:27:54,753 INFO L416 ceAbstractionStarter]: For program point L545''''(lines 545 550) no Hoare annotation was computed. [2018-03-28 12:27:54,753 INFO L416 ceAbstractionStarter]: For program point L548''''''(line 548) no Hoare annotation was computed. [2018-03-28 12:27:54,753 INFO L416 ceAbstractionStarter]: For program point L547'''(line 547) no Hoare annotation was computed. [2018-03-28 12:27:54,753 INFO L416 ceAbstractionStarter]: For program point L548'(line 548) no Hoare annotation was computed. [2018-03-28 12:27:54,754 INFO L412 ceAbstractionStarter]: At program point L545'''(lines 545 550) the Hoare annotation is: (let ((.cse0 (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.base|))) (or (not (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.base|) (+ .cse0 (- 1))))) (not (exists ((main_~nondetString2~0.base Int) (main_~nondetString2~0.offset Int)) (and (not (= main_~nondetString2~0.base |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.base|)) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base) (- 1))))))) (not (exists ((main_~nondetString1~0.offset Int)) (and (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.base|) (+ (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.base|) main_~nondetString1~0.offset (- 1)))) (<= 0 main_~nondetString1~0.offset) (<= main_~nondetString1~0.offset 0)))) (or (< |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.offset| 0) (not (= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.base|))) (not (exists ((|v_main_#t~malloc14.base_BEFORE_CALL_7| Int) (|v_main_#t~malloc13.base_BEFORE_CALL_7| Int)) (and (= (select |#valid| |v_main_#t~malloc14.base_BEFORE_CALL_7|) 1) (not (= |v_main_#t~malloc14.base_BEFORE_CALL_7| |v_main_#t~malloc13.base_BEFORE_CALL_7|)) (= (select |#valid| |v_main_#t~malloc13.base_BEFORE_CALL_7|) 1)))) (< (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.base|) (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.offset| 1)) (not (= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.base|))) (< .cse0 (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.offset| 1)) (< |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.offset| 0)) (and (and (<= 0 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (<= 0 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset) (= 1 (select |#valid| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base)) (= 1 (select |#valid| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base)) (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base))) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) (- 1)))) (exists ((main_~nondetString1~0.offset Int)) (and (<= 0 main_~nondetString1~0.offset) (<= main_~nondetString1~0.offset 0) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base) main_~nondetString1~0.offset (- 1)))))) (exists ((v_main_~nondetString2~0.offset_BEFORE_CALL_3 Int) (main_~length2~0 Int)) (and (<= (+ v_main_~nondetString2~0.offset_BEFORE_CALL_3 main_~length2~0) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base)) (<= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset v_main_~nondetString2~0.offset_BEFORE_CALL_3) (<= 1 main_~length2~0) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) (+ v_main_~nondetString2~0.offset_BEFORE_CALL_3 main_~length2~0 (- 1))))))))) [2018-03-28 12:27:54,754 INFO L416 ceAbstractionStarter]: For program point L547'''''''(line 547) no Hoare annotation was computed. [2018-03-28 12:27:54,754 INFO L416 ceAbstractionStarter]: For program point L540'(lines 540 552) no Hoare annotation was computed. [2018-03-28 12:27:54,754 INFO L416 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-03-28 12:27:54,754 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation(line 546) no Hoare annotation was computed. [2018-03-28 12:27:54,754 INFO L416 ceAbstractionStarter]: For program point L546'''''''''(line 546) no Hoare annotation was computed. [2018-03-28 12:27:54,754 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation(line 548) no Hoare annotation was computed. [2018-03-28 12:27:54,754 INFO L416 ceAbstractionStarter]: For program point L546''(line 546) no Hoare annotation was computed. [2018-03-28 12:27:54,754 INFO L416 ceAbstractionStarter]: For program point L545'(lines 545 550) no Hoare annotation was computed. [2018-03-28 12:27:54,754 INFO L416 ceAbstractionStarter]: For program point L546'''(line 546) no Hoare annotation was computed. [2018-03-28 12:27:54,754 INFO L416 ceAbstractionStarter]: For program point L547'''''(line 547) no Hoare annotation was computed. [2018-03-28 12:27:54,754 INFO L416 ceAbstractionStarter]: For program point L548''(line 548) no Hoare annotation was computed. [2018-03-28 12:27:54,761 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:27:54,762 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:27:54,762 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-03-28 12:27:54,762 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:27:54,762 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-03-28 12:27:54,763 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-03-28 12:27:54,763 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-03-28 12:27:54,763 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-03-28 12:27:54,763 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-03-28 12:27:54,763 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-03-28 12:27:54,763 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-03-28 12:27:54,764 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-03-28 12:27:54,764 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-03-28 12:27:54,764 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-03-28 12:27:54,764 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-03-28 12:27:54,765 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:27:54,765 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-03-28 12:27:54,765 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:27:54,765 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-03-28 12:27:54,765 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:27:54,766 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:27:54,767 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,767 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:27:54,767 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,767 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:27:54,767 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,767 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,768 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,768 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,768 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:27:54,768 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,768 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:27:54,768 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,768 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,768 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:27:54,774 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:27:54,775 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:27:54,775 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-03-28 12:27:54,775 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:27:54,775 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-03-28 12:27:54,775 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-03-28 12:27:54,776 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-03-28 12:27:54,776 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-03-28 12:27:54,776 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-03-28 12:27:54,776 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-03-28 12:27:54,776 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-03-28 12:27:54,777 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-03-28 12:27:54,777 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-03-28 12:27:54,778 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-03-28 12:27:54,778 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-03-28 12:27:54,778 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:27:54,778 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-03-28 12:27:54,778 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:27:54,778 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-03-28 12:27:54,779 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:27:54,779 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:27:54,779 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,779 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:27:54,779 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,780 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:27:54,780 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,780 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,780 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,781 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,781 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:27:54,781 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,781 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:27:54,781 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,781 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,782 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:27:54,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:27:54 BoogieIcfgContainer [2018-03-28 12:27:54,784 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-28 12:27:54,785 INFO L168 Benchmark]: Toolchain (without parser) took 28450.06 ms. Allocated memory was 300.9 MB in the beginning and 632.8 MB in the end (delta: 331.9 MB). Free memory was 236.5 MB in the beginning and 456.9 MB in the end (delta: -220.4 MB). Peak memory consumption was 111.5 MB. Max. memory is 5.3 GB. [2018-03-28 12:27:54,786 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 300.9 MB. Free memory is still 263.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-28 12:27:54,786 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.93 ms. Allocated memory is still 300.9 MB. Free memory was 236.5 MB in the beginning and 212.3 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 5.3 GB. [2018-03-28 12:27:54,787 INFO L168 Benchmark]: Boogie Preprocessor took 57.96 ms. Allocated memory is still 300.9 MB. Free memory was 212.3 MB in the beginning and 210.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-03-28 12:27:54,787 INFO L168 Benchmark]: RCFGBuilder took 595.48 ms. Allocated memory was 300.9 MB in the beginning and 459.3 MB in the end (delta: 158.3 MB). Free memory was 209.3 MB in the beginning and 390.9 MB in the end (delta: -181.6 MB). Peak memory consumption was 21.4 MB. Max. memory is 5.3 GB. [2018-03-28 12:27:54,787 INFO L168 Benchmark]: TraceAbstraction took 27472.06 ms. Allocated memory was 459.3 MB in the beginning and 632.8 MB in the end (delta: 173.5 MB). Free memory was 390.9 MB in the beginning and 456.9 MB in the end (delta: -65.9 MB). Peak memory consumption was 107.6 MB. Max. memory is 5.3 GB. [2018-03-28 12:27:54,788 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 300.9 MB. Free memory is still 263.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 319.93 ms. Allocated memory is still 300.9 MB. Free memory was 236.5 MB in the beginning and 212.3 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 57.96 ms. Allocated memory is still 300.9 MB. Free memory was 212.3 MB in the beginning and 210.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 595.48 ms. Allocated memory was 300.9 MB in the beginning and 459.3 MB in the end (delta: 158.3 MB). Free memory was 209.3 MB in the beginning and 390.9 MB in the end (delta: -181.6 MB). Peak memory consumption was 21.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 27472.06 ms. Allocated memory was 459.3 MB in the beginning and 632.8 MB in the end (delta: 173.5 MB). Free memory was 390.9 MB in the beginning and 456.9 MB in the end (delta: -65.9 MB). Peak memory consumption was 107.6 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 565]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 564]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 565]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 553]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 564]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - InvariantResult [Line: 545]: Loop Invariant [2018-03-28 12:27:54,796 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:27:54,796 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:27:54,797 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-03-28 12:27:54,797 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:27:54,797 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-03-28 12:27:54,797 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-03-28 12:27:54,797 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-03-28 12:27:54,797 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-03-28 12:27:54,798 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-03-28 12:27:54,798 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-03-28 12:27:54,798 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-03-28 12:27:54,798 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-03-28 12:27:54,798 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-03-28 12:27:54,799 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-03-28 12:27:54,799 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-03-28 12:27:54,799 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:27:54,799 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-03-28 12:27:54,799 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:27:54,799 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-03-28 12:27:54,800 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:27:54,800 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:27:54,800 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,800 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:27:54,800 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,801 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:27:54,801 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,801 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,801 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,801 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,802 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:27:54,802 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,802 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:27:54,802 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,802 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,802 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:27:54,804 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:27:54,805 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:27:54,805 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-03-28 12:27:54,805 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:27:54,805 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-03-28 12:27:54,805 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-03-28 12:27:54,806 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-03-28 12:27:54,806 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-03-28 12:27:54,806 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-03-28 12:27:54,806 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-03-28 12:27:54,806 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-03-28 12:27:54,807 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-03-28 12:27:54,807 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-03-28 12:27:54,807 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-03-28 12:27:54,807 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-03-28 12:27:54,808 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:27:54,808 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-03-28 12:27:54,808 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:27:54,808 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-03-28 12:27:54,808 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:27:54,808 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:27:54,809 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,809 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:27:54,809 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,809 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:27:54,809 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,810 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,810 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,810 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,810 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:27:54,810 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,810 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:27:54,811 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,811 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:27:54,811 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((!(0 == unknown-#memory_int-unknown[s2][unknown-#length-unknown[s2] + -1]) || !(\exists main_~nondetString2~0.base : int, main_~nondetString2~0.offset : int :: !(main_~nondetString2~0.base == s1) && 0 == unknown-#memory_int-unknown[main_~nondetString2~0.base][main_~nondetString2~0.offset + unknown-#length-unknown[main_~nondetString2~0.base] + -1])) || !(\exists main_~nondetString1~0.offset : int :: (0 == unknown-#memory_int-unknown[s1][unknown-#length-unknown[s1] + main_~nondetString1~0.offset + -1] && 0 <= main_~nondetString1~0.offset) && main_~nondetString1~0.offset <= 0)) || (((((s1 < 0 || !(1 == \valid[s1])) || !(\exists v_main_#t~malloc14.base_BEFORE_CALL_7 : int, v_main_#t~malloc13.base_BEFORE_CALL_7 : int :: (\valid[v_main_#t~malloc14.base_BEFORE_CALL_7] == 1 && !(v_main_#t~malloc14.base_BEFORE_CALL_7 == v_main_#t~malloc13.base_BEFORE_CALL_7)) && \valid[v_main_#t~malloc13.base_BEFORE_CALL_7] == 1)) || unknown-#length-unknown[s1] < s1 + 1) || !(1 == \valid[s2])) || unknown-#length-unknown[s2] < s2 + 1) || s2 < 0) || (((((((0 <= s2 && 0 <= s1) && 1 == \valid[s1]) && 1 == \valid[s2]) && s1 + 1 <= unknown-#length-unknown[s1]) && 0 == unknown-#memory_int-unknown[s2][unknown-#length-unknown[s2] + -1]) && (\exists main_~nondetString1~0.offset : int :: (0 <= main_~nondetString1~0.offset && main_~nondetString1~0.offset <= 0) && 0 == unknown-#memory_int-unknown[s1][unknown-#length-unknown[s1] + main_~nondetString1~0.offset + -1])) && (\exists v_main_~nondetString2~0.offset_BEFORE_CALL_3 : int, main_~length2~0 : int :: ((v_main_~nondetString2~0.offset_BEFORE_CALL_3 + main_~length2~0 <= unknown-#length-unknown[s2] && s2 <= v_main_~nondetString2~0.offset_BEFORE_CALL_3) && 1 <= main_~length2~0) && 0 == unknown-#memory_int-unknown[s2][v_main_~nondetString2~0.offset_BEFORE_CALL_3 + main_~length2~0 + -1])) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 102 locations, 15 error locations. SAFE Result, 27.3s OverallTime, 21 OverallIterations, 3 TraceHistogramMax, 11.5s AutomataDifference, 0.0s DeadEndRemovalTime, 6.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1526 SDtfs, 2430 SDslu, 6342 SDs, 0 SdLazy, 4367 SolverSat, 205 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1721 GetRequests, 1328 SyntacticMatches, 20 SemanticMatches, 373 ConstructedPredicates, 20 IntricatePredicates, 0 DeprecatedPredicates, 1868 ImplicationChecksByTransitivity, 11.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=137occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 21 MinimizatonAttempts, 237 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 9 NumberOfFragments, 345 HoareAnnotationTreeSize, 7 FomulaSimplifications, 447 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2843 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 8.1s InterpolantComputationTime, 796 NumberOfCodeBlocks, 796 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1550 ConstructedInterpolants, 221 QuantifiedInterpolants, 770623 SizeOfPredicates, 191 NumberOfNonLiveVariables, 2571 ConjunctsInSsa, 368 ConjunctsInUnsatCore, 42 InterpolantComputations, 34 PerfectInterpolantSequences, 36/130 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-03-28_12-27-54-817.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-03-28_12-27-54-817.csv Received shutdown request...