java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrspn-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-12 19:59:33,809 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 19:59:33,810 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 19:59:33,823 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 19:59:33,823 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 19:59:33,824 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 19:59:33,824 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 19:59:33,826 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 19:59:33,827 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 19:59:33,828 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 19:59:33,829 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 19:59:33,829 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 19:59:33,830 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 19:59:33,831 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 19:59:33,831 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 19:59:33,833 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 19:59:33,835 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 19:59:33,836 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 19:59:33,837 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 19:59:33,838 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 19:59:33,839 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-12 19:59:33,840 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-12 19:59:33,840 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-12 19:59:33,841 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-12 19:59:33,841 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-12 19:59:33,842 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-12 19:59:33,842 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-12 19:59:33,843 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-12 19:59:33,844 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-04-12 19:59:33,844 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf [2018-04-12 19:59:33,854 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 19:59:33,855 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 19:59:33,856 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 19:59:33,856 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 19:59:33,856 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 19:59:33,856 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 19:59:33,857 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 19:59:33,857 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 19:59:33,857 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 19:59:33,857 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 19:59:33,857 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 19:59:33,857 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 19:59:33,858 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 19:59:33,858 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 19:59:33,858 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 19:59:33,858 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 19:59:33,858 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 19:59:33,858 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 19:59:33,858 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 19:59:33,858 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 19:59:33,859 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 19:59:33,859 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-12 19:59:33,885 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 19:59:33,893 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 19:59:33,896 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 19:59:33,897 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 19:59:33,897 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 19:59:33,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,180 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG83d299ae7 [2018-04-12 19:59:34,329 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 19:59:34,329 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 19:59:34,329 INFO L168 CDTParser]: Scanning cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,336 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 19:59:34,336 INFO L215 ultiparseSymbolTable]: [2018-04-12 19:59:34,336 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 19:59:34,336 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,337 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,337 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,337 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__ ('') in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,337 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 19:59:34,337 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__pthread_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,337 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__wchar_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,337 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__nlink_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,337 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____fd_mask in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,337 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____useconds_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,337 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__id_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____u_int in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__dev_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____clockid_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____clock_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__clockid_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__u_int8_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__u_int16_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__quad_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____daddr_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__int64_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__register_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____u_quad_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____pid_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____int64_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__ldiv_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__loff_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____uint8_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____key_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__ushort in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____ssize_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__int32_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____off_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__ino_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____quad_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____ino64_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____gid_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____timer_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__timer_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__u_int32_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__key_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____nlink_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__sigset_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____uint64_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____fsword_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__fd_mask in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__uint in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____uid_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__ssize_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____id_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__lldiv_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__fd_set in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____uint32_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____blksize_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__blksize_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____dev_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____qaddr_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__uid_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__int16_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____rlim64_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__time_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__div_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____int32_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____rlim_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__u_int in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____time_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____off64_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____suseconds_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__int8_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____u_char in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__u_quad_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____uint16_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____fsid_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____socklen_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__daddr_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__u_int64_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__pid_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__clock_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____mode_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____int16_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__off_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____u_long in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__u_char in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____int8_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____loff_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____intptr_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__size_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__fsid_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__caddr_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____sigset_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____u_short in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__mode_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__suseconds_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____ino_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__u_short in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____caddr_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__u_long in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__ulong in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i__gid_t in cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:34,360 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG83d299ae7 [2018-04-12 19:59:34,364 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 19:59:34,365 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 19:59:34,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 19:59:34,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 19:59:34,369 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 19:59:34,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 07:59:34" (1/1) ... [2018-04-12 19:59:34,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d6ba46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:34, skipping insertion in model container [2018-04-12 19:59:34,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 07:59:34" (1/1) ... [2018-04-12 19:59:34,383 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 19:59:34,407 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 19:59:34,529 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 19:59:34,566 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 19:59:34,571 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-12 19:59:34,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:34 WrapperNode [2018-04-12 19:59:34,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 19:59:34,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 19:59:34,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 19:59:34,610 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 19:59:34,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:34" (1/1) ... [2018-04-12 19:59:34,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:34" (1/1) ... [2018-04-12 19:59:34,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:34" (1/1) ... [2018-04-12 19:59:34,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:34" (1/1) ... [2018-04-12 19:59:34,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:34" (1/1) ... [2018-04-12 19:59:34,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:34" (1/1) ... [2018-04-12 19:59:34,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:34" (1/1) ... [2018-04-12 19:59:34,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 19:59:34,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 19:59:34,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 19:59:34,647 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 19:59:34,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:34" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 19:59:34,732 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 19:59:34,733 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 19:59:34,733 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 19:59:34,733 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 19:59:34,733 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrspn [2018-04-12 19:59:34,733 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 19:59:34,733 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 19:59:34,733 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrspn_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 19:59:34,733 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 19:59:34,733 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 19:59:34,733 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 19:59:34,733 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 19:59:34,733 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 19:59:34,733 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 19:59:34,733 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 19:59:34,734 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 19:59:34,734 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 19:59:34,734 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 19:59:34,734 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 19:59:34,734 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 19:59:34,734 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 19:59:34,734 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 19:59:34,734 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 19:59:34,735 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 19:59:34,735 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 19:59:34,735 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 19:59:34,735 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 19:59:34,735 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 19:59:34,735 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 19:59:34,735 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 19:59:34,735 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 19:59:34,735 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 19:59:34,736 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 19:59:34,736 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 19:59:34,736 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 19:59:34,736 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 19:59:34,736 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 19:59:34,736 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 19:59:34,736 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 19:59:34,736 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 19:59:34,736 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 19:59:34,737 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 19:59:34,737 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 19:59:34,737 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 19:59:34,737 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 19:59:34,737 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 19:59:34,737 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 19:59:34,737 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 19:59:34,737 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 19:59:34,737 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 19:59:34,737 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 19:59:34,738 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 19:59:34,738 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 19:59:34,738 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 19:59:34,738 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 19:59:34,738 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 19:59:34,738 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 19:59:34,738 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 19:59:34,738 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 19:59:34,738 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 19:59:34,739 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 19:59:34,739 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 19:59:34,739 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 19:59:34,739 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 19:59:34,739 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 19:59:34,739 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 19:59:34,739 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 19:59:34,739 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 19:59:34,739 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 19:59:34,739 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 19:59:34,739 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 19:59:34,740 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 19:59:34,740 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 19:59:34,740 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 19:59:34,740 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 19:59:34,740 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 19:59:34,740 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 19:59:34,740 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 19:59:34,740 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 19:59:34,740 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 19:59:34,740 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 19:59:34,740 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 19:59:34,741 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 19:59:34,741 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 19:59:34,741 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 19:59:34,741 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 19:59:34,741 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 19:59:34,741 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 19:59:34,741 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 19:59:34,741 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 19:59:34,741 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 19:59:34,741 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 19:59:34,742 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 19:59:34,742 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 19:59:34,742 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 19:59:34,742 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 19:59:34,742 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 19:59:34,742 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 19:59:34,742 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 19:59:34,742 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 19:59:34,742 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 19:59:34,742 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 19:59:34,743 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 19:59:34,743 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 19:59:34,743 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 19:59:34,743 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 19:59:34,743 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 19:59:34,743 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 19:59:34,743 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 19:59:34,743 INFO L128 BoogieDeclarations]: Found specification of procedure cstrspn [2018-04-12 19:59:34,743 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 19:59:34,743 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 19:59:34,744 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 19:59:34,744 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 19:59:34,744 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 19:59:34,744 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 19:59:34,744 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 19:59:34,744 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 19:59:35,014 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 19:59:35,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 07:59:35 BoogieIcfgContainer [2018-04-12 19:59:35,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 19:59:35,015 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 19:59:35,015 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 19:59:35,017 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 19:59:35,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 07:59:34" (1/3) ... [2018-04-12 19:59:35,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e43fd1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 07:59:35, skipping insertion in model container [2018-04-12 19:59:35,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:34" (2/3) ... [2018-04-12 19:59:35,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e43fd1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 07:59:35, skipping insertion in model container [2018-04-12 19:59:35,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 07:59:35" (3/3) ... [2018-04-12 19:59:35,019 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrspn-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:35,025 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-12 19:59:35,030 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-04-12 19:59:35,053 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 19:59:35,054 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 19:59:35,054 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 19:59:35,054 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-12 19:59:35,054 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-12 19:59:35,054 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 19:59:35,054 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 19:59:35,054 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 19:59:35,054 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 19:59:35,055 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 19:59:35,062 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2018-04-12 19:59:35,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-12 19:59:35,068 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:35,069 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:35,069 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrspnErr7RequiresViolation, cstrspnErr5RequiresViolation, cstrspnErr1RequiresViolation, cstrspnErr0RequiresViolation, cstrspnErr6RequiresViolation, cstrspnErr8RequiresViolation, cstrspnErr2RequiresViolation, cstrspnErr4RequiresViolation, cstrspnErr3RequiresViolation, cstrspnErr9RequiresViolation]=== [2018-04-12 19:59:35,072 INFO L82 PathProgramCache]: Analyzing trace with hash 2018700559, now seen corresponding path program 1 times [2018-04-12 19:59:35,104 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:35,141 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:35,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:35,211 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:35,211 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 19:59:35,212 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:35,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:35,212 INFO L182 omatonBuilderFactory]: Interpolants [64#(= 1 (select |#valid| main_~nondetString1~0.base)), 61#true, 62#false, 63#(= 1 (select |#valid| |main_#t~malloc12.base|))] [2018-04-12 19:59:35,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:35,213 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 19:59:35,221 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 19:59:35,221 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 19:59:35,223 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 4 states. [2018-04-12 19:59:35,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:35,285 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2018-04-12 19:59:35,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 19:59:35,286 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-12 19:59:35,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:35,292 INFO L225 Difference]: With dead ends: 57 [2018-04-12 19:59:35,292 INFO L226 Difference]: Without dead ends: 54 [2018-04-12 19:59:35,293 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 19:59:35,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-12 19:59:35,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-04-12 19:59:35,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-12 19:59:35,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2018-04-12 19:59:35,316 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 13 [2018-04-12 19:59:35,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:35,316 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2018-04-12 19:59:35,316 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 19:59:35,316 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2018-04-12 19:59:35,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-12 19:59:35,317 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:35,317 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:35,317 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrspnErr7RequiresViolation, cstrspnErr5RequiresViolation, cstrspnErr1RequiresViolation, cstrspnErr0RequiresViolation, cstrspnErr6RequiresViolation, cstrspnErr8RequiresViolation, cstrspnErr2RequiresViolation, cstrspnErr4RequiresViolation, cstrspnErr3RequiresViolation, cstrspnErr9RequiresViolation]=== [2018-04-12 19:59:35,317 INFO L82 PathProgramCache]: Analyzing trace with hash 2018700560, now seen corresponding path program 1 times [2018-04-12 19:59:35,318 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:35,329 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:35,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:35,406 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:35,406 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 19:59:35,406 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:35,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:35,407 INFO L182 omatonBuilderFactory]: Interpolants [178#true, 179#false, 180#(<= 1 main_~length1~0), 181#(and (= main_~length1~0 (select |#length| |main_#t~malloc12.base|)) (= (select |#valid| |main_#t~malloc12.base|) 1) (= 0 |main_#t~malloc12.offset|) (<= 1 main_~length1~0)), 182#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (select |#valid| main_~nondetString1~0.base) 1) (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0)), 183#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0))] [2018-04-12 19:59:35,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:35,408 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 19:59:35,408 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 19:59:35,408 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-12 19:59:35,408 INFO L87 Difference]: Start difference. First operand 54 states and 59 transitions. Second operand 6 states. [2018-04-12 19:59:35,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:35,456 INFO L93 Difference]: Finished difference Result 53 states and 58 transitions. [2018-04-12 19:59:35,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 19:59:35,456 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-04-12 19:59:35,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:35,457 INFO L225 Difference]: With dead ends: 53 [2018-04-12 19:59:35,457 INFO L226 Difference]: Without dead ends: 53 [2018-04-12 19:59:35,457 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-04-12 19:59:35,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-04-12 19:59:35,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-04-12 19:59:35,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-12 19:59:35,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2018-04-12 19:59:35,462 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 58 transitions. Word has length 13 [2018-04-12 19:59:35,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:35,463 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 58 transitions. [2018-04-12 19:59:35,463 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 19:59:35,463 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2018-04-12 19:59:35,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 19:59:35,463 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:35,463 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:35,463 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrspnErr7RequiresViolation, cstrspnErr5RequiresViolation, cstrspnErr1RequiresViolation, cstrspnErr0RequiresViolation, cstrspnErr6RequiresViolation, cstrspnErr8RequiresViolation, cstrspnErr2RequiresViolation, cstrspnErr4RequiresViolation, cstrspnErr3RequiresViolation, cstrspnErr9RequiresViolation]=== [2018-04-12 19:59:35,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1844792117, now seen corresponding path program 1 times [2018-04-12 19:59:35,464 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:35,476 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:35,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:35,496 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:35,496 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 19:59:35,497 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:35,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:35,497 INFO L182 omatonBuilderFactory]: Interpolants [292#true, 293#false, 294#(= 1 (select |#valid| |main_#t~malloc13.base|)), 295#(= 1 (select |#valid| main_~nondetString2~0.base))] [2018-04-12 19:59:35,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:35,497 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 19:59:35,498 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 19:59:35,498 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 19:59:35,498 INFO L87 Difference]: Start difference. First operand 53 states and 58 transitions. Second operand 4 states. [2018-04-12 19:59:35,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:35,554 INFO L93 Difference]: Finished difference Result 52 states and 57 transitions. [2018-04-12 19:59:35,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 19:59:35,554 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-12 19:59:35,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:35,555 INFO L225 Difference]: With dead ends: 52 [2018-04-12 19:59:35,555 INFO L226 Difference]: Without dead ends: 52 [2018-04-12 19:59:35,556 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 19:59:35,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-04-12 19:59:35,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-04-12 19:59:35,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-12 19:59:35,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 57 transitions. [2018-04-12 19:59:35,560 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 57 transitions. Word has length 14 [2018-04-12 19:59:35,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:35,560 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 57 transitions. [2018-04-12 19:59:35,560 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 19:59:35,560 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2018-04-12 19:59:35,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 19:59:35,561 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:35,561 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:35,561 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrspnErr7RequiresViolation, cstrspnErr5RequiresViolation, cstrspnErr1RequiresViolation, cstrspnErr0RequiresViolation, cstrspnErr6RequiresViolation, cstrspnErr8RequiresViolation, cstrspnErr2RequiresViolation, cstrspnErr4RequiresViolation, cstrspnErr3RequiresViolation, cstrspnErr9RequiresViolation]=== [2018-04-12 19:59:35,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1844792116, now seen corresponding path program 1 times [2018-04-12 19:59:35,562 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:35,573 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:35,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:35,619 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:35,619 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 19:59:35,619 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:35,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:35,620 INFO L182 omatonBuilderFactory]: Interpolants [402#true, 403#false, 404#(<= 1 main_~length2~0), 405#(and (= main_~length2~0 (select |#length| |main_#t~malloc13.base|)) (<= 1 main_~length2~0) (= 0 |main_#t~malloc13.offset|)), 406#(and (= main_~nondetString2~0.offset 0) (<= 1 main_~length2~0) (= main_~length2~0 (select |#length| main_~nondetString2~0.base)))] [2018-04-12 19:59:35,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:35,620 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 19:59:35,620 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 19:59:35,621 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 19:59:35,621 INFO L87 Difference]: Start difference. First operand 52 states and 57 transitions. Second operand 5 states. [2018-04-12 19:59:35,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:35,660 INFO L93 Difference]: Finished difference Result 51 states and 56 transitions. [2018-04-12 19:59:35,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 19:59:35,660 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-12 19:59:35,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:35,661 INFO L225 Difference]: With dead ends: 51 [2018-04-12 19:59:35,661 INFO L226 Difference]: Without dead ends: 51 [2018-04-12 19:59:35,661 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-04-12 19:59:35,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-12 19:59:35,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-12 19:59:35,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-12 19:59:35,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2018-04-12 19:59:35,665 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 56 transitions. Word has length 14 [2018-04-12 19:59:35,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:35,665 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 56 transitions. [2018-04-12 19:59:35,665 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 19:59:35,665 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2018-04-12 19:59:35,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 19:59:35,666 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:35,666 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:35,666 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrspnErr7RequiresViolation, cstrspnErr5RequiresViolation, cstrspnErr1RequiresViolation, cstrspnErr0RequiresViolation, cstrspnErr6RequiresViolation, cstrspnErr8RequiresViolation, cstrspnErr2RequiresViolation, cstrspnErr4RequiresViolation, cstrspnErr3RequiresViolation, cstrspnErr9RequiresViolation]=== [2018-04-12 19:59:35,666 INFO L82 PathProgramCache]: Analyzing trace with hash 1893487725, now seen corresponding path program 1 times [2018-04-12 19:59:35,667 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:35,682 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:35,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:35,701 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:35,701 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 19:59:35,701 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:35,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:35,701 INFO L182 omatonBuilderFactory]: Interpolants [512#false, 513#(= 1 (select |#valid| main_~nondetString1~0.base)), 514#(= 1 (select |#valid| |cstrspn_#in~s1.base|)), 515#(= 1 (select |#valid| cstrspn_~sc1~0.base)), 511#true] [2018-04-12 19:59:35,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:35,702 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 19:59:35,702 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 19:59:35,702 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 19:59:35,702 INFO L87 Difference]: Start difference. First operand 51 states and 56 transitions. Second operand 5 states. [2018-04-12 19:59:35,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:35,747 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2018-04-12 19:59:35,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 19:59:35,747 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-04-12 19:59:35,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:35,748 INFO L225 Difference]: With dead ends: 49 [2018-04-12 19:59:35,748 INFO L226 Difference]: Without dead ends: 49 [2018-04-12 19:59:35,748 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-12 19:59:35,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-04-12 19:59:35,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-04-12 19:59:35,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-12 19:59:35,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2018-04-12 19:59:35,751 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 18 [2018-04-12 19:59:35,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:35,752 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2018-04-12 19:59:35,752 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 19:59:35,752 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2018-04-12 19:59:35,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 19:59:35,752 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:35,752 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:35,752 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrspnErr7RequiresViolation, cstrspnErr5RequiresViolation, cstrspnErr1RequiresViolation, cstrspnErr0RequiresViolation, cstrspnErr6RequiresViolation, cstrspnErr8RequiresViolation, cstrspnErr2RequiresViolation, cstrspnErr4RequiresViolation, cstrspnErr3RequiresViolation, cstrspnErr9RequiresViolation]=== [2018-04-12 19:59:35,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1893487726, now seen corresponding path program 1 times [2018-04-12 19:59:35,753 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:35,764 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:35,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:35,823 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:35,824 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 19:59:35,824 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:35,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:35,824 INFO L182 omatonBuilderFactory]: Interpolants [616#true, 617#false, 618#(<= 1 main_~length1~0), 619#(and (= 0 |main_#t~malloc12.offset|) (<= 1 main_~length1~0)), 620#(and (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0)), 621#(and (<= (+ main_~nondetString1~0.offset 1) (select |#length| main_~nondetString1~0.base)) (= main_~nondetString1~0.offset 0)), 622#(and (<= 1 (select |#length| |cstrspn_#in~s1.base|)) (= 0 |cstrspn_#in~s1.offset|)), 623#(and (= cstrspn_~sc1~0.offset 0) (<= 1 (select |#length| cstrspn_~sc1~0.base)))] [2018-04-12 19:59:35,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:35,825 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 19:59:35,825 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 19:59:35,825 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-12 19:59:35,825 INFO L87 Difference]: Start difference. First operand 49 states and 54 transitions. Second operand 8 states. [2018-04-12 19:59:35,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:35,965 INFO L93 Difference]: Finished difference Result 73 states and 82 transitions. [2018-04-12 19:59:35,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 19:59:35,965 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2018-04-12 19:59:35,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:35,968 INFO L225 Difference]: With dead ends: 73 [2018-04-12 19:59:35,968 INFO L226 Difference]: Without dead ends: 73 [2018-04-12 19:59:35,968 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-04-12 19:59:35,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-04-12 19:59:35,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 53. [2018-04-12 19:59:35,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-12 19:59:35,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 59 transitions. [2018-04-12 19:59:35,971 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 59 transitions. Word has length 18 [2018-04-12 19:59:35,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:35,972 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 59 transitions. [2018-04-12 19:59:35,972 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 19:59:35,972 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2018-04-12 19:59:35,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-12 19:59:35,972 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:35,973 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:35,973 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrspnErr7RequiresViolation, cstrspnErr5RequiresViolation, cstrspnErr1RequiresViolation, cstrspnErr0RequiresViolation, cstrspnErr6RequiresViolation, cstrspnErr8RequiresViolation, cstrspnErr2RequiresViolation, cstrspnErr4RequiresViolation, cstrspnErr3RequiresViolation, cstrspnErr9RequiresViolation]=== [2018-04-12 19:59:35,973 INFO L82 PathProgramCache]: Analyzing trace with hash -894404631, now seen corresponding path program 1 times [2018-04-12 19:59:35,974 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:35,984 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:36,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:36,032 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:36,032 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 19:59:36,032 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:36,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:36,032 INFO L182 omatonBuilderFactory]: Interpolants [758#true, 759#false, 760#(= 1 (select |#valid| main_~nondetString2~0.base)), 761#(= 1 (select |#valid| |cstrspn_#in~s2.base|)), 762#(= 1 (select |#valid| cstrspn_~s2.base)), 763#(= 1 (select |#valid| cstrspn_~s~0.base))] [2018-04-12 19:59:36,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:36,032 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 19:59:36,033 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 19:59:36,033 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 19:59:36,033 INFO L87 Difference]: Start difference. First operand 53 states and 59 transitions. Second operand 6 states. [2018-04-12 19:59:36,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:36,079 INFO L93 Difference]: Finished difference Result 53 states and 59 transitions. [2018-04-12 19:59:36,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 19:59:36,079 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-04-12 19:59:36,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:36,079 INFO L225 Difference]: With dead ends: 53 [2018-04-12 19:59:36,079 INFO L226 Difference]: Without dead ends: 53 [2018-04-12 19:59:36,080 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-12 19:59:36,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-04-12 19:59:36,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 50. [2018-04-12 19:59:36,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-12 19:59:36,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2018-04-12 19:59:36,081 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 23 [2018-04-12 19:59:36,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:36,082 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2018-04-12 19:59:36,082 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 19:59:36,082 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2018-04-12 19:59:36,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-12 19:59:36,082 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:36,082 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:36,082 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrspnErr7RequiresViolation, cstrspnErr5RequiresViolation, cstrspnErr1RequiresViolation, cstrspnErr0RequiresViolation, cstrspnErr6RequiresViolation, cstrspnErr8RequiresViolation, cstrspnErr2RequiresViolation, cstrspnErr4RequiresViolation, cstrspnErr3RequiresViolation, cstrspnErr9RequiresViolation]=== [2018-04-12 19:59:36,082 INFO L82 PathProgramCache]: Analyzing trace with hash -894404630, now seen corresponding path program 1 times [2018-04-12 19:59:36,083 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:36,089 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:36,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:36,152 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:36,152 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-12 19:59:36,152 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:36,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:36,153 INFO L182 omatonBuilderFactory]: Interpolants [871#true, 872#false, 873#(<= 1 main_~length2~0), 874#(and (= main_~length2~0 (select |#length| |main_#t~malloc13.base|)) (<= 1 main_~length2~0) (= 0 |main_#t~malloc13.offset|)), 875#(and (= 0 main_~nondetString2~0.offset) (<= 1 main_~length2~0) (= main_~length2~0 (select |#length| main_~nondetString2~0.base))), 876#(and (= 0 main_~nondetString2~0.offset) (<= 1 (select |#length| main_~nondetString2~0.base))), 877#(and (<= 1 (select |#length| |cstrspn_#in~s2.base|)) (= 0 |cstrspn_#in~s2.offset|)), 878#(and (= 0 cstrspn_~s2.offset) (<= 1 (select |#length| cstrspn_~s2.base))), 879#(and (<= 1 (select |#length| cstrspn_~s~0.base)) (= cstrspn_~s~0.offset 0))] [2018-04-12 19:59:36,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:36,153 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 19:59:36,153 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 19:59:36,153 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-04-12 19:59:36,154 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. Second operand 9 states. [2018-04-12 19:59:36,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:36,231 INFO L93 Difference]: Finished difference Result 67 states and 77 transitions. [2018-04-12 19:59:36,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 19:59:36,232 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-04-12 19:59:36,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:36,232 INFO L225 Difference]: With dead ends: 67 [2018-04-12 19:59:36,232 INFO L226 Difference]: Without dead ends: 67 [2018-04-12 19:59:36,233 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-04-12 19:59:36,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-04-12 19:59:36,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 58. [2018-04-12 19:59:36,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-04-12 19:59:36,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 66 transitions. [2018-04-12 19:59:36,236 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 66 transitions. Word has length 23 [2018-04-12 19:59:36,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:36,236 INFO L459 AbstractCegarLoop]: Abstraction has 58 states and 66 transitions. [2018-04-12 19:59:36,236 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 19:59:36,236 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2018-04-12 19:59:36,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-12 19:59:36,237 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:36,237 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] [2018-04-12 19:59:36,237 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrspnErr7RequiresViolation, cstrspnErr5RequiresViolation, cstrspnErr1RequiresViolation, cstrspnErr0RequiresViolation, cstrspnErr6RequiresViolation, cstrspnErr8RequiresViolation, cstrspnErr2RequiresViolation, cstrspnErr4RequiresViolation, cstrspnErr3RequiresViolation, cstrspnErr9RequiresViolation]=== [2018-04-12 19:59:36,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1986095611, now seen corresponding path program 1 times [2018-04-12 19:59:36,238 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:36,252 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:36,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:36,320 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:36,320 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 19:59:36,320 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:36,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:36,321 INFO L182 omatonBuilderFactory]: Interpolants [1011#true, 1012#false, 1013#(= |#valid| |old(#valid)|), 1014#(and (= (select |#valid| |main_#t~malloc12.base|) 1) (= (store |#valid| |main_#t~malloc12.base| 0) |old(#valid)|)), 1015#(and (not (= |main_#t~malloc12.base| |main_#t~malloc13.base|)) (= (store (store |#valid| |main_#t~malloc13.base| 0) |main_#t~malloc12.base| 0) |old(#valid)|)), 1016#(= |old(#valid)| (store |#valid| |main_#t~malloc13.base| 0))] [2018-04-12 19:59:36,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:36,321 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 19:59:36,321 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 19:59:36,321 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 19:59:36,322 INFO L87 Difference]: Start difference. First operand 58 states and 66 transitions. Second operand 6 states. [2018-04-12 19:59:36,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:36,416 INFO L93 Difference]: Finished difference Result 57 states and 65 transitions. [2018-04-12 19:59:36,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 19:59:36,417 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2018-04-12 19:59:36,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:36,417 INFO L225 Difference]: With dead ends: 57 [2018-04-12 19:59:36,417 INFO L226 Difference]: Without dead ends: 48 [2018-04-12 19:59:36,417 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-04-12 19:59:36,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-04-12 19:59:36,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-04-12 19:59:36,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-04-12 19:59:36,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2018-04-12 19:59:36,419 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 54 transitions. Word has length 28 [2018-04-12 19:59:36,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:36,420 INFO L459 AbstractCegarLoop]: Abstraction has 48 states and 54 transitions. [2018-04-12 19:59:36,420 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 19:59:36,420 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2018-04-12 19:59:36,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-12 19:59:36,420 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:36,420 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:36,420 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrspnErr7RequiresViolation, cstrspnErr5RequiresViolation, cstrspnErr1RequiresViolation, cstrspnErr0RequiresViolation, cstrspnErr6RequiresViolation, cstrspnErr8RequiresViolation, cstrspnErr2RequiresViolation, cstrspnErr4RequiresViolation, cstrspnErr3RequiresViolation, cstrspnErr9RequiresViolation]=== [2018-04-12 19:59:36,420 INFO L82 PathProgramCache]: Analyzing trace with hash 55851358, now seen corresponding path program 1 times [2018-04-12 19:59:36,421 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:36,430 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:36,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:36,445 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:36,445 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 19:59:36,445 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:36,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:36,446 INFO L182 omatonBuilderFactory]: Interpolants [1126#true, 1127#false, 1128#(not |cstrspn_#t~short7|)] [2018-04-12 19:59:36,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:36,446 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-12 19:59:36,446 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-12 19:59:36,446 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 19:59:36,446 INFO L87 Difference]: Start difference. First operand 48 states and 54 transitions. Second operand 3 states. [2018-04-12 19:59:36,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:36,452 INFO L93 Difference]: Finished difference Result 50 states and 56 transitions. [2018-04-12 19:59:36,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-12 19:59:36,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2018-04-12 19:59:36,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:36,453 INFO L225 Difference]: With dead ends: 50 [2018-04-12 19:59:36,453 INFO L226 Difference]: Without dead ends: 50 [2018-04-12 19:59:36,453 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 19:59:36,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-12 19:59:36,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-12 19:59:36,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-12 19:59:36,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2018-04-12 19:59:36,456 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 28 [2018-04-12 19:59:36,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:36,456 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2018-04-12 19:59:36,457 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-12 19:59:36,457 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2018-04-12 19:59:36,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-12 19:59:36,457 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:36,457 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] [2018-04-12 19:59:36,457 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrspnErr7RequiresViolation, cstrspnErr5RequiresViolation, cstrspnErr1RequiresViolation, cstrspnErr0RequiresViolation, cstrspnErr6RequiresViolation, cstrspnErr8RequiresViolation, cstrspnErr2RequiresViolation, cstrspnErr4RequiresViolation, cstrspnErr3RequiresViolation, cstrspnErr9RequiresViolation]=== [2018-04-12 19:59:36,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1951988481, now seen corresponding path program 1 times [2018-04-12 19:59:36,458 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:36,471 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:36,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 19:59:36,581 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:36,581 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-04-12 19:59:36,581 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:36,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:36,581 INFO L182 omatonBuilderFactory]: Interpolants [1232#(and (= (select |#valid| |main_#t~malloc12.base|) 1) (= 0 |main_#t~malloc12.offset|) (<= 1 main_~length1~0) (<= main_~length1~0 1)), 1233#(and (= (select |#valid| main_~nondetString1~0.base) 1) (<= 1 main_~length1~0) (<= main_~length1~0 1) (= main_~nondetString1~0.offset 0)), 1234#(and (<= 1 main_~length1~0) (<= main_~length1~0 1) (not (= main_~nondetString1~0.base |main_#t~malloc13.base|)) (= main_~nondetString1~0.offset 0)), 1235#(and (<= 1 main_~length1~0) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (<= main_~length1~0 1) (= main_~nondetString1~0.offset 0)), 1236#(and (= 0 (select (select |#memory_int| main_~nondetString1~0.base) main_~nondetString1~0.offset)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (= main_~nondetString1~0.offset 0)), 1237#(= 0 (select (select |#memory_int| |cstrspn_#in~s1.base|) |cstrspn_#in~s1.offset|)), 1238#(= 0 (select (select |#memory_int| cstrspn_~sc1~0.base) cstrspn_~sc1~0.offset)), 1239#(= |cstrspn_#t~mem3| 0), 1229#true, 1230#false, 1231#(and (<= 1 main_~length1~0) (<= main_~length1~0 1))] [2018-04-12 19:59:36,581 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 19:59:36,581 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 19:59:36,581 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 19:59:36,582 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-04-12 19:59:36,582 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. Second operand 11 states. [2018-04-12 19:59:36,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:36,703 INFO L93 Difference]: Finished difference Result 62 states and 68 transitions. [2018-04-12 19:59:36,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-12 19:59:36,704 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 30 [2018-04-12 19:59:36,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:36,704 INFO L225 Difference]: With dead ends: 62 [2018-04-12 19:59:36,704 INFO L226 Difference]: Without dead ends: 50 [2018-04-12 19:59:36,705 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-04-12 19:59:36,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-12 19:59:36,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-12 19:59:36,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-12 19:59:36,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2018-04-12 19:59:36,707 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 30 [2018-04-12 19:59:36,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:36,707 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2018-04-12 19:59:36,707 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 19:59:36,707 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2018-04-12 19:59:36,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-12 19:59:36,707 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:36,707 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] [2018-04-12 19:59:36,711 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrspnErr7RequiresViolation, cstrspnErr5RequiresViolation, cstrspnErr1RequiresViolation, cstrspnErr0RequiresViolation, cstrspnErr6RequiresViolation, cstrspnErr8RequiresViolation, cstrspnErr2RequiresViolation, cstrspnErr4RequiresViolation, cstrspnErr3RequiresViolation, cstrspnErr9RequiresViolation]=== [2018-04-12 19:59:36,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1817974975, now seen corresponding path program 1 times [2018-04-12 19:59:36,711 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:36,724 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:36,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:36,819 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:36,819 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-04-12 19:59:36,819 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:36,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:36,820 INFO L182 omatonBuilderFactory]: Interpolants [1364#true, 1365#false, 1366#(and (<= main_~length2~0 1) (<= 1 main_~length2~0)), 1367#(and (<= main_~length2~0 1) (<= 1 main_~length2~0) (= 0 |main_#t~malloc13.offset|)), 1368#(and (= 0 main_~nondetString2~0.offset) (<= 1 main_~length2~0) (<= (+ main_~nondetString2~0.offset main_~length2~0) 1)), 1369#(and (= main_~nondetString2~0.offset 0) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) main_~nondetString2~0.offset))), 1370#(= 0 (select (select |#memory_int| |cstrspn_#in~s2.base|) |cstrspn_#in~s2.offset|)), 1371#(= 0 (select (select |#memory_int| cstrspn_~s2.base) cstrspn_~s2.offset)), 1372#(= 0 (select (select |#memory_int| cstrspn_~s~0.base) cstrspn_~s~0.offset)), 1373#(= |cstrspn_#t~mem5| 0), 1374#(not |cstrspn_#t~short7|)] [2018-04-12 19:59:36,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:36,820 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 19:59:36,820 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 19:59:36,821 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-04-12 19:59:36,821 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand 11 states. [2018-04-12 19:59:36,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:36,950 INFO L93 Difference]: Finished difference Result 77 states and 82 transitions. [2018-04-12 19:59:36,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-12 19:59:36,950 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 30 [2018-04-12 19:59:36,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:36,951 INFO L225 Difference]: With dead ends: 77 [2018-04-12 19:59:36,951 INFO L226 Difference]: Without dead ends: 77 [2018-04-12 19:59:36,951 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2018-04-12 19:59:36,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-04-12 19:59:36,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2018-04-12 19:59:36,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-04-12 19:59:36,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 82 transitions. [2018-04-12 19:59:36,954 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 82 transitions. Word has length 30 [2018-04-12 19:59:36,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:36,955 INFO L459 AbstractCegarLoop]: Abstraction has 75 states and 82 transitions. [2018-04-12 19:59:36,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 19:59:36,955 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 82 transitions. [2018-04-12 19:59:36,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-12 19:59:36,956 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:36,956 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] [2018-04-12 19:59:36,956 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrspnErr7RequiresViolation, cstrspnErr5RequiresViolation, cstrspnErr1RequiresViolation, cstrspnErr0RequiresViolation, cstrspnErr6RequiresViolation, cstrspnErr8RequiresViolation, cstrspnErr2RequiresViolation, cstrspnErr4RequiresViolation, cstrspnErr3RequiresViolation, cstrspnErr9RequiresViolation]=== [2018-04-12 19:59:36,956 INFO L82 PathProgramCache]: Analyzing trace with hash 12536641, now seen corresponding path program 1 times [2018-04-12 19:59:36,957 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:36,967 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:37,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:37,097 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 19:59:37,097 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-12 19:59:37,097 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:37,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:37,097 INFO L182 omatonBuilderFactory]: Interpolants [1539#true, 1540#false, 1541#(<= 1 main_~length2~0), 1542#(and (= main_~length2~0 (select |#length| |main_#t~malloc13.base|)) (<= 1 main_~length2~0) (= 0 |main_#t~malloc13.offset|)), 1543#(and (= 0 main_~nondetString2~0.offset) (<= 1 main_~length2~0) (or (= (+ main_~nondetString2~0.offset main_~length2~0) 1) (= main_~length2~0 (select |#length| main_~nondetString2~0.base)))), 1544#(and (= 0 main_~nondetString2~0.offset) (or (= 0 (select (select |#memory_int| main_~nondetString2~0.base) main_~nondetString2~0.offset)) (<= 2 (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base))))), 1545#(and (or (<= 2 (select |#length| |cstrspn_#in~s2.base|)) (= 0 (select (select |#memory_int| |cstrspn_#in~s2.base|) |cstrspn_#in~s2.offset|))) (= 0 |cstrspn_#in~s2.offset|)), 1546#(and (= 0 cstrspn_~s2.offset) (or (<= 2 (select |#length| cstrspn_~s2.base)) (= 0 (select (select |#memory_int| cstrspn_~s2.base) cstrspn_~s2.offset)))), 1547#(and (or (<= 2 (select |#length| cstrspn_~s~0.base)) (= 0 (select (select |#memory_int| cstrspn_~s~0.base) cstrspn_~s~0.offset))) (= cstrspn_~s~0.offset 0)), 1548#(and (= cstrspn_~s~0.offset 0) (or (<= 2 (select |#length| cstrspn_~s~0.base)) (= |cstrspn_#t~mem5| 0))), 1549#(and (= cstrspn_~s~0.offset 0) (or (<= 2 (select |#length| cstrspn_~s~0.base)) (not |cstrspn_#t~short7|))), 1550#(and (<= 2 (select |#length| cstrspn_~s~0.base)) (= cstrspn_~s~0.offset 0)), 1551#(and (<= (+ cstrspn_~s~0.offset 1) (select |#length| cstrspn_~s~0.base)) (<= 1 cstrspn_~s~0.offset))] [2018-04-12 19:59:37,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:37,098 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 19:59:37,098 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 19:59:37,098 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2018-04-12 19:59:37,098 INFO L87 Difference]: Start difference. First operand 75 states and 82 transitions. Second operand 13 states. [2018-04-12 19:59:37,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:37,371 INFO L93 Difference]: Finished difference Result 103 states and 112 transitions. [2018-04-12 19:59:37,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 19:59:37,372 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 30 [2018-04-12 19:59:37,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:37,373 INFO L225 Difference]: With dead ends: 103 [2018-04-12 19:59:37,373 INFO L226 Difference]: Without dead ends: 103 [2018-04-12 19:59:37,373 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2018-04-12 19:59:37,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-04-12 19:59:37,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 82. [2018-04-12 19:59:37,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-04-12 19:59:37,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 91 transitions. [2018-04-12 19:59:37,377 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 91 transitions. Word has length 30 [2018-04-12 19:59:37,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:37,378 INFO L459 AbstractCegarLoop]: Abstraction has 82 states and 91 transitions. [2018-04-12 19:59:37,378 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 19:59:37,378 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2018-04-12 19:59:37,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-12 19:59:37,379 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:37,379 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] [2018-04-12 19:59:37,379 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrspnErr7RequiresViolation, cstrspnErr5RequiresViolation, cstrspnErr1RequiresViolation, cstrspnErr0RequiresViolation, cstrspnErr6RequiresViolation, cstrspnErr8RequiresViolation, cstrspnErr2RequiresViolation, cstrspnErr4RequiresViolation, cstrspnErr3RequiresViolation, cstrspnErr9RequiresViolation]=== [2018-04-12 19:59:37,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1821776862, now seen corresponding path program 1 times [2018-04-12 19:59:37,380 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:37,387 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:37,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:37,462 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:37,462 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-12 19:59:37,462 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:37,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:37,463 INFO L182 omatonBuilderFactory]: Interpolants [1760#(or (not (= cstrspn_~c~0 (select (select |#memory_int| cstrspn_~s~0.base) cstrspn_~s~0.offset))) |cstrspn_#t~short7|), 1761#(not (= cstrspn_~c~0 (select (select |#memory_int| cstrspn_~s~0.base) cstrspn_~s~0.offset))), 1762#(not (= cstrspn_~c~0 |cstrspn_#t~mem9|)), 1753#true, 1754#false, 1755#(= |cstrspn_#t~mem3| (select (select |#memory_int| cstrspn_~sc1~0.base) cstrspn_~sc1~0.offset)), 1756#(not (= (select (select |#memory_int| cstrspn_~sc1~0.base) cstrspn_~sc1~0.offset) 0)), 1757#(not (= |cstrspn_#t~mem4| 0)), 1758#(not (= cstrspn_~c~0 0)), 1759#(and (not (= cstrspn_~c~0 0)) (= |cstrspn_#t~mem5| (select (select |#memory_int| cstrspn_~s~0.base) cstrspn_~s~0.offset)))] [2018-04-12 19:59:37,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:37,463 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-12 19:59:37,463 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-12 19:59:37,463 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-04-12 19:59:37,464 INFO L87 Difference]: Start difference. First operand 82 states and 91 transitions. Second operand 10 states. [2018-04-12 19:59:37,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:37,575 INFO L93 Difference]: Finished difference Result 82 states and 87 transitions. [2018-04-12 19:59:37,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-12 19:59:37,575 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 31 [2018-04-12 19:59:37,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:37,576 INFO L225 Difference]: With dead ends: 82 [2018-04-12 19:59:37,576 INFO L226 Difference]: Without dead ends: 59 [2018-04-12 19:59:37,576 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-04-12 19:59:37,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-04-12 19:59:37,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2018-04-12 19:59:37,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-04-12 19:59:37,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 61 transitions. [2018-04-12 19:59:37,578 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 61 transitions. Word has length 31 [2018-04-12 19:59:37,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:37,578 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 61 transitions. [2018-04-12 19:59:37,578 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-12 19:59:37,578 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2018-04-12 19:59:37,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-12 19:59:37,579 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:37,579 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] [2018-04-12 19:59:37,579 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrspnErr7RequiresViolation, cstrspnErr5RequiresViolation, cstrspnErr1RequiresViolation, cstrspnErr0RequiresViolation, cstrspnErr6RequiresViolation, cstrspnErr8RequiresViolation, cstrspnErr2RequiresViolation, cstrspnErr4RequiresViolation, cstrspnErr3RequiresViolation, cstrspnErr9RequiresViolation]=== [2018-04-12 19:59:37,579 INFO L82 PathProgramCache]: Analyzing trace with hash -217317095, now seen corresponding path program 1 times [2018-04-12 19:59:37,580 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:37,590 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:37,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:37,759 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 19:59:37,759 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-12 19:59:37,759 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:37,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:37,760 INFO L182 omatonBuilderFactory]: Interpolants [1920#true, 1921#false, 1922#(<= 1 main_~length1~0), 1923#(and (= (select |#valid| |main_#t~malloc12.base|) 1) (= 0 |main_#t~malloc12.offset|) (<= 1 main_~length1~0)), 1924#(and (or (not (= (+ main_~nondetString1~0.offset main_~length1~0) 1)) (= (select |#valid| main_~nondetString1~0.base) 1)) (<= 1 main_~length1~0) (= main_~nondetString1~0.offset 0)), 1925#(and (<= 1 main_~length1~0) (or (not (= (+ main_~nondetString1~0.offset main_~length1~0) 1)) (not (= main_~nondetString1~0.base |main_#t~malloc13.base|))) (= main_~nondetString1~0.offset 0)), 1926#(and (= 0 main_~nondetString1~0.offset) (or (not (= (+ main_~nondetString1~0.offset main_~length1~0) 1)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))) (<= 1 main_~length1~0)), 1927#(and (= 0 main_~nondetString1~0.offset) (or (and (= 0 (select (select |#memory_int| main_~nondetString1~0.base) main_~nondetString1~0.offset)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base))) (<= 2 (select |#length| main_~nondetString1~0.base)))), 1928#(and (or (= 0 (select (select |#memory_int| |cstrspn_#in~s1.base|) |cstrspn_#in~s1.offset|)) (<= 2 (select |#length| |cstrspn_#in~s1.base|))) (= 0 |cstrspn_#in~s1.offset|)), 1929#(and (= cstrspn_~sc1~0.offset 0) (or (= 0 (select (select |#memory_int| cstrspn_~sc1~0.base) cstrspn_~sc1~0.offset)) (<= 2 (select |#length| cstrspn_~sc1~0.base)))), 1930#(and (= cstrspn_~sc1~0.offset 0) (or (<= 2 (select |#length| cstrspn_~sc1~0.base)) (= |cstrspn_#t~mem3| 0))), 1931#(and (= cstrspn_~sc1~0.offset 0) (<= 2 (select |#length| cstrspn_~sc1~0.base))), 1932#(and (<= 1 cstrspn_~sc1~0.offset) (<= (+ cstrspn_~sc1~0.offset 1) (select |#length| cstrspn_~sc1~0.base)))] [2018-04-12 19:59:37,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:37,760 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 19:59:37,760 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 19:59:37,760 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-04-12 19:59:37,760 INFO L87 Difference]: Start difference. First operand 57 states and 61 transitions. Second operand 13 states. [2018-04-12 19:59:37,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:37,954 INFO L93 Difference]: Finished difference Result 123 states and 135 transitions. [2018-04-12 19:59:37,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 19:59:37,954 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 33 [2018-04-12 19:59:37,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:37,955 INFO L225 Difference]: With dead ends: 123 [2018-04-12 19:59:37,955 INFO L226 Difference]: Without dead ends: 123 [2018-04-12 19:59:37,955 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2018-04-12 19:59:37,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-04-12 19:59:37,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 87. [2018-04-12 19:59:37,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-04-12 19:59:37,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 98 transitions. [2018-04-12 19:59:37,959 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 98 transitions. Word has length 33 [2018-04-12 19:59:37,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:37,959 INFO L459 AbstractCegarLoop]: Abstraction has 87 states and 98 transitions. [2018-04-12 19:59:37,959 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 19:59:37,959 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 98 transitions. [2018-04-12 19:59:37,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-12 19:59:37,960 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:37,960 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:37,960 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrspnErr7RequiresViolation, cstrspnErr5RequiresViolation, cstrspnErr1RequiresViolation, cstrspnErr0RequiresViolation, cstrspnErr6RequiresViolation, cstrspnErr8RequiresViolation, cstrspnErr2RequiresViolation, cstrspnErr4RequiresViolation, cstrspnErr3RequiresViolation, cstrspnErr9RequiresViolation]=== [2018-04-12 19:59:37,960 INFO L82 PathProgramCache]: Analyzing trace with hash -670234678, now seen corresponding path program 2 times [2018-04-12 19:59:37,961 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:37,976 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:38,263 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:38,264 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 19:59:38,264 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-12 19:59:38,264 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:38,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:38,264 INFO L182 omatonBuilderFactory]: Interpolants [2159#true, 2160#false, 2161#(and (= main_~length2~0 (select |#length| |main_#t~malloc13.base|)) (= 0 |main_#t~malloc13.offset|)), 2162#(and (= 0 main_~nondetString2~0.offset) (or (= (+ main_~nondetString2~0.offset main_~length2~0) 2) (= main_~length2~0 (select |#length| main_~nondetString2~0.base)))), 2163#(and (= 0 main_~nondetString2~0.offset) (or (= 0 (select (select |#memory_int| main_~nondetString2~0.base) 1)) (<= (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base)) 1) (<= 3 (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base))))), 2164#(and (or (<= 3 (select |#length| |cstrspn_#in~s2.base|)) (= 0 (select (select |#memory_int| |cstrspn_#in~s2.base|) 1)) (<= (select |#length| |cstrspn_#in~s2.base|) 1)) (= 0 |cstrspn_#in~s2.offset|)), 2165#(and (= 0 cstrspn_~s2.offset) (or (<= 3 (select |#length| cstrspn_~s2.base)) (= 0 (select (select |#memory_int| cstrspn_~s2.base) 1)) (<= (select |#length| cstrspn_~s2.base) 1))), 2166#(and (or (<= 3 (select |#length| cstrspn_~s~0.base)) (<= (select |#length| cstrspn_~s~0.base) 1) (= 0 (select (select |#memory_int| cstrspn_~s~0.base) 1))) (= cstrspn_~s~0.offset 0)), 2167#(and (<= cstrspn_~s~0.offset 1) (<= 1 cstrspn_~s~0.offset) (or (<= (select |#length| cstrspn_~s~0.base) cstrspn_~s~0.offset) (= 0 (select (select |#memory_int| cstrspn_~s~0.base) cstrspn_~s~0.offset)) (<= (+ cstrspn_~s~0.offset 2) (select |#length| cstrspn_~s~0.base)))), 2168#(and (<= cstrspn_~s~0.offset 1) (<= 1 cstrspn_~s~0.offset) (or (= |cstrspn_#t~mem5| 0) (<= (+ cstrspn_~s~0.offset 2) (select |#length| cstrspn_~s~0.base)))), 2169#(and (<= cstrspn_~s~0.offset 1) (or (not |cstrspn_#t~short7|) (<= (+ cstrspn_~s~0.offset 2) (select |#length| cstrspn_~s~0.base))) (<= 1 cstrspn_~s~0.offset)), 2170#(and (<= cstrspn_~s~0.offset 1) (<= 1 cstrspn_~s~0.offset) (<= (+ cstrspn_~s~0.offset 2) (select |#length| cstrspn_~s~0.base))), 2171#(and (<= (+ cstrspn_~s~0.offset 1) (select |#length| cstrspn_~s~0.base)) (<= 2 cstrspn_~s~0.offset))] [2018-04-12 19:59:38,265 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:38,265 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 19:59:38,265 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 19:59:38,265 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2018-04-12 19:59:38,265 INFO L87 Difference]: Start difference. First operand 87 states and 98 transitions. Second operand 13 states. [2018-04-12 19:59:38,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:38,673 INFO L93 Difference]: Finished difference Result 140 states and 154 transitions. [2018-04-12 19:59:38,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 19:59:38,673 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 37 [2018-04-12 19:59:38,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:38,674 INFO L225 Difference]: With dead ends: 140 [2018-04-12 19:59:38,674 INFO L226 Difference]: Without dead ends: 138 [2018-04-12 19:59:38,674 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2018-04-12 19:59:38,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-04-12 19:59:38,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 101. [2018-04-12 19:59:38,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-04-12 19:59:38,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 114 transitions. [2018-04-12 19:59:38,678 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 114 transitions. Word has length 37 [2018-04-12 19:59:38,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:38,678 INFO L459 AbstractCegarLoop]: Abstraction has 101 states and 114 transitions. [2018-04-12 19:59:38,678 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 19:59:38,678 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 114 transitions. [2018-04-12 19:59:38,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-12 19:59:38,679 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:38,679 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:38,679 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrspnErr7RequiresViolation, cstrspnErr5RequiresViolation, cstrspnErr1RequiresViolation, cstrspnErr0RequiresViolation, cstrspnErr6RequiresViolation, cstrspnErr8RequiresViolation, cstrspnErr2RequiresViolation, cstrspnErr4RequiresViolation, cstrspnErr3RequiresViolation, cstrspnErr9RequiresViolation]=== [2018-04-12 19:59:38,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1802186975, now seen corresponding path program 3 times [2018-04-12 19:59:38,680 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:38,692 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:38,833 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-12 19:59:38,833 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 19:59:38,833 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-12 19:59:38,833 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:38,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:38,833 INFO L182 omatonBuilderFactory]: Interpolants [2432#false, 2433#(and (= main_~length2~0 (select |#length| |main_#t~malloc13.base|)) (= 0 |main_#t~malloc13.offset|)), 2434#(and (= main_~nondetString2~0.offset 0) (= main_~length2~0 (select |#length| main_~nondetString2~0.base))), 2435#(and (= main_~nondetString2~0.offset 0) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ (select |#length| main_~nondetString2~0.base) (+ main_~nondetString2~0.offset (- 1)))))), 2436#(= 0 (select (select |#memory_int| |cstrspn_#in~s2.base|) (+ (select |#length| |cstrspn_#in~s2.base|) (- 1)))), 2437#(= 0 (select (select |#memory_int| cstrspn_~s2.base) (+ (select |#length| cstrspn_~s2.base) (- 1)))), 2438#(= 0 (select (select |#memory_int| cstrspn_~s~0.base) (+ (select |#length| cstrspn_~s~0.base) (- 1)))), 2439#(or (<= (select |#length| cstrspn_~s~0.base) cstrspn_~s~0.offset) (= 0 (select (select |#memory_int| cstrspn_~s~0.base) cstrspn_~s~0.offset)) (<= (+ cstrspn_~s~0.offset 2) (select |#length| cstrspn_~s~0.base))), 2440#(or (= |cstrspn_#t~mem5| 0) (and (<= 0 cstrspn_~s~0.offset) (<= (+ cstrspn_~s~0.offset 2) (select |#length| cstrspn_~s~0.base)))), 2441#(or (not |cstrspn_#t~short7|) (and (<= 0 cstrspn_~s~0.offset) (<= (+ cstrspn_~s~0.offset 2) (select |#length| cstrspn_~s~0.base)))), 2442#(and (<= 0 cstrspn_~s~0.offset) (<= (+ cstrspn_~s~0.offset 2) (select |#length| cstrspn_~s~0.base))), 2443#(and (<= (+ cstrspn_~s~0.offset 1) (select |#length| cstrspn_~s~0.base)) (<= 1 cstrspn_~s~0.offset)), 2431#true] [2018-04-12 19:59:38,834 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-12 19:59:38,834 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 19:59:38,834 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 19:59:38,834 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-04-12 19:59:38,834 INFO L87 Difference]: Start difference. First operand 101 states and 114 transitions. Second operand 13 states. [2018-04-12 19:59:39,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:39,146 INFO L93 Difference]: Finished difference Result 111 states and 120 transitions. [2018-04-12 19:59:39,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-12 19:59:39,147 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 44 [2018-04-12 19:59:39,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:39,147 INFO L225 Difference]: With dead ends: 111 [2018-04-12 19:59:39,147 INFO L226 Difference]: Without dead ends: 109 [2018-04-12 19:59:39,147 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2018-04-12 19:59:39,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-04-12 19:59:39,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 52. [2018-04-12 19:59:39,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-12 19:59:39,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2018-04-12 19:59:39,150 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 44 [2018-04-12 19:59:39,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:39,150 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2018-04-12 19:59:39,150 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 19:59:39,150 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2018-04-12 19:59:39,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-12 19:59:39,151 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:39,151 INFO L355 BasicCegarLoop]: trace histogram [3, 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] [2018-04-12 19:59:39,151 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrspnErr7RequiresViolation, cstrspnErr5RequiresViolation, cstrspnErr1RequiresViolation, cstrspnErr0RequiresViolation, cstrspnErr6RequiresViolation, cstrspnErr8RequiresViolation, cstrspnErr2RequiresViolation, cstrspnErr4RequiresViolation, cstrspnErr3RequiresViolation, cstrspnErr9RequiresViolation]=== [2018-04-12 19:59:39,151 INFO L82 PathProgramCache]: Analyzing trace with hash 606683470, now seen corresponding path program 2 times [2018-04-12 19:59:39,152 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:39,169 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:39,428 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:39,428 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 19:59:39,428 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-12 19:59:39,428 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:39,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:39,429 INFO L182 omatonBuilderFactory]: Interpolants [2629#true, 2630#false, 2631#(and (= main_~length1~0 (select |#length| |main_#t~malloc12.base|)) (= (select |#valid| |main_#t~malloc12.base|) 1) (= 0 |main_#t~malloc12.offset|)), 2632#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (select |#valid| main_~nondetString1~0.base) 1) (= main_~nondetString1~0.offset 0)), 2633#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (not (= main_~nondetString1~0.base |main_#t~malloc13.base|)) (= main_~nondetString1~0.offset 0)), 2634#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (= main_~nondetString1~0.offset 0)), 2635#(and (or (<= 3 (+ main_~nondetString1~0.offset (select |#length| main_~nondetString1~0.base))) (<= (+ main_~nondetString1~0.offset (select |#length| main_~nondetString1~0.base)) 1) (and (= 0 (select (select |#memory_int| main_~nondetString1~0.base) 1)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)))) (= main_~nondetString1~0.offset 0)), 2636#(and (or (<= (select |#length| |cstrspn_#in~s1.base|) 1) (<= 3 (select |#length| |cstrspn_#in~s1.base|)) (= 0 (select (select |#memory_int| |cstrspn_#in~s1.base|) 1))) (= 0 |cstrspn_#in~s1.offset|)), 2637#(and (= cstrspn_~sc1~0.offset 0) (or (<= (select |#length| cstrspn_~sc1~0.base) 1) (<= 3 (select |#length| cstrspn_~sc1~0.base)) (= 0 (select (select |#memory_int| cstrspn_~sc1~0.base) 1)))), 2638#(and (= cstrspn_~sc1~0.offset 1) (or (= 0 (select (select |#memory_int| cstrspn_~sc1~0.base) cstrspn_~sc1~0.offset)) (<= (select |#length| cstrspn_~sc1~0.base) cstrspn_~sc1~0.offset) (<= (+ cstrspn_~sc1~0.offset 2) (select |#length| cstrspn_~sc1~0.base)))), 2639#(and (= cstrspn_~sc1~0.offset 1) (or (<= (+ cstrspn_~sc1~0.offset 2) (select |#length| cstrspn_~sc1~0.base)) (= |cstrspn_#t~mem3| 0))), 2640#(and (= cstrspn_~sc1~0.offset 1) (<= (+ cstrspn_~sc1~0.offset 2) (select |#length| cstrspn_~sc1~0.base))), 2641#(and (<= (+ cstrspn_~sc1~0.offset 1) (select |#length| cstrspn_~sc1~0.base)) (<= 2 cstrspn_~sc1~0.offset))] [2018-04-12 19:59:39,429 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:39,429 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 19:59:39,429 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 19:59:39,429 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2018-04-12 19:59:39,429 INFO L87 Difference]: Start difference. First operand 52 states and 54 transitions. Second operand 13 states. [2018-04-12 19:59:39,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:39,726 INFO L93 Difference]: Finished difference Result 78 states and 82 transitions. [2018-04-12 19:59:39,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 19:59:39,726 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 48 [2018-04-12 19:59:39,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:39,727 INFO L225 Difference]: With dead ends: 78 [2018-04-12 19:59:39,727 INFO L226 Difference]: Without dead ends: 78 [2018-04-12 19:59:39,727 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=383, Unknown=0, NotChecked=0, Total=462 [2018-04-12 19:59:39,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-04-12 19:59:39,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 67. [2018-04-12 19:59:39,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-04-12 19:59:39,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 70 transitions. [2018-04-12 19:59:39,728 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 70 transitions. Word has length 48 [2018-04-12 19:59:39,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:39,729 INFO L459 AbstractCegarLoop]: Abstraction has 67 states and 70 transitions. [2018-04-12 19:59:39,729 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 19:59:39,729 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2018-04-12 19:59:39,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-04-12 19:59:39,729 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:39,729 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:39,729 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrspnErr7RequiresViolation, cstrspnErr5RequiresViolation, cstrspnErr1RequiresViolation, cstrspnErr0RequiresViolation, cstrspnErr6RequiresViolation, cstrspnErr8RequiresViolation, cstrspnErr2RequiresViolation, cstrspnErr4RequiresViolation, cstrspnErr3RequiresViolation, cstrspnErr9RequiresViolation]=== [2018-04-12 19:59:39,730 INFO L82 PathProgramCache]: Analyzing trace with hash 538374265, now seen corresponding path program 3 times [2018-04-12 19:59:39,730 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:39,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:39,745 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:40,028 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 1 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 19:59:40,028 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 19:59:40,028 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-12 19:59:40,028 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:40,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:40,028 INFO L182 omatonBuilderFactory]: Interpolants [2816#(and (= cstrspn_~s~0.base cstrspn_~s2.base) (= cstrspn_~s~0.offset cstrspn_~s2.offset) (not (= |cstrspn_#t~mem4| (select (select |#memory_int| cstrspn_~sc1~0.base) (+ (select |#length| cstrspn_~sc1~0.base) (- 1)))))), 2817#(and (= cstrspn_~s~0.base cstrspn_~s2.base) (= cstrspn_~s~0.offset cstrspn_~s2.offset) (not (= cstrspn_~c~0 (select (select |#memory_int| cstrspn_~sc1~0.base) (+ (select |#length| cstrspn_~sc1~0.base) (- 1)))))), 2818#(and (not (= cstrspn_~c~0 (select (select |#memory_int| cstrspn_~sc1~0.base) (+ (select |#length| cstrspn_~sc1~0.base) (- 1))))) (= (select (select |#memory_int| cstrspn_~s2.base) cstrspn_~s2.offset) |cstrspn_#t~mem9|)), 2819#(not (= (select (select |#memory_int| cstrspn_~s2.base) cstrspn_~s2.offset) (select (select |#memory_int| cstrspn_~sc1~0.base) (+ (select |#length| cstrspn_~sc1~0.base) (- 1))))), 2820#(or (not (= (select (select |#memory_int| cstrspn_~s2.base) cstrspn_~s2.offset) (select (select |#memory_int| cstrspn_~sc1~0.base) cstrspn_~sc1~0.offset))) (<= (select |#length| cstrspn_~sc1~0.base) cstrspn_~sc1~0.offset) (<= (+ cstrspn_~sc1~0.offset 2) (select |#length| cstrspn_~sc1~0.base))), 2821#(or (not (= (select (select |#memory_int| cstrspn_~s2.base) cstrspn_~s2.offset) (select (select |#memory_int| cstrspn_~sc1~0.base) cstrspn_~sc1~0.offset))) (and (<= 0 cstrspn_~sc1~0.offset) (<= (+ cstrspn_~sc1~0.offset 2) (select |#length| cstrspn_~sc1~0.base)))), 2822#(or (not (= (select (select |#memory_int| cstrspn_~s~0.base) cstrspn_~s~0.offset) (select (select |#memory_int| cstrspn_~sc1~0.base) cstrspn_~sc1~0.offset))) (and (<= 0 cstrspn_~sc1~0.offset) (<= (+ cstrspn_~sc1~0.offset 2) (select |#length| cstrspn_~sc1~0.base)))), 2823#(or (not (= (select (select |#memory_int| cstrspn_~s~0.base) cstrspn_~s~0.offset) |cstrspn_#t~mem4|)) (and (<= 0 cstrspn_~sc1~0.offset) (<= (+ cstrspn_~sc1~0.offset 2) (select |#length| cstrspn_~sc1~0.base)))), 2824#(or (not (= (select (select |#memory_int| cstrspn_~s~0.base) cstrspn_~s~0.offset) cstrspn_~c~0)) (and (<= 0 cstrspn_~sc1~0.offset) (<= (+ cstrspn_~sc1~0.offset 2) (select |#length| cstrspn_~sc1~0.base)))), 2825#(or (not (= |cstrspn_#t~mem9| cstrspn_~c~0)) (and (<= 0 cstrspn_~sc1~0.offset) (<= (+ cstrspn_~sc1~0.offset 2) (select |#length| cstrspn_~sc1~0.base)))), 2826#(and (<= 0 cstrspn_~sc1~0.offset) (<= (+ cstrspn_~sc1~0.offset 2) (select |#length| cstrspn_~sc1~0.base))), 2827#(and (<= 1 cstrspn_~sc1~0.offset) (<= (+ cstrspn_~sc1~0.offset 1) (select |#length| cstrspn_~sc1~0.base))), 2805#true, 2806#false, 2807#(and (= main_~length1~0 (select |#length| |main_#t~malloc12.base|)) (= (select |#valid| |main_#t~malloc12.base|) 1) (= 0 |main_#t~malloc12.offset|)), 2808#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (= (select |#valid| main_~nondetString1~0.base) 1) (= main_~nondetString1~0.offset 0)), 2809#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (not (= main_~nondetString1~0.base |main_#t~malloc13.base|)) (= main_~nondetString1~0.offset 0)), 2810#(and (= main_~length1~0 (select |#length| main_~nondetString1~0.base)) (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (= main_~nondetString1~0.offset 0)), 2811#(and (not (= main_~nondetString1~0.base main_~nondetString2~0.base)) (= 0 (select (select |#memory_int| main_~nondetString1~0.base) (+ (select |#length| main_~nondetString1~0.base) (+ main_~nondetString1~0.offset (- 1))))) (= main_~nondetString1~0.offset 0)), 2812#(= 0 (select (select |#memory_int| |cstrspn_#in~s1.base|) (+ (select |#length| |cstrspn_#in~s1.base|) (- 1)))), 2813#(= 0 (select (select |#memory_int| cstrspn_~sc1~0.base) (+ (select |#length| cstrspn_~sc1~0.base) (- 1)))), 2814#(and (= |cstrspn_#t~mem3| (select (select |#memory_int| cstrspn_~sc1~0.base) cstrspn_~sc1~0.offset)) (= 0 (select (select |#memory_int| cstrspn_~sc1~0.base) (+ (select |#length| cstrspn_~sc1~0.base) (- 1))))), 2815#(and (= cstrspn_~s~0.base cstrspn_~s2.base) (= cstrspn_~s~0.offset cstrspn_~s2.offset) (not (= (select (select |#memory_int| cstrspn_~sc1~0.base) cstrspn_~sc1~0.offset) (select (select |#memory_int| cstrspn_~sc1~0.base) (+ (select |#length| cstrspn_~sc1~0.base) (- 1))))))] [2018-04-12 19:59:40,028 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 1 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 19:59:40,028 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-12 19:59:40,029 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-12 19:59:40,029 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2018-04-12 19:59:40,029 INFO L87 Difference]: Start difference. First operand 67 states and 70 transitions. Second operand 23 states. [2018-04-12 19:59:40,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:40,775 INFO L93 Difference]: Finished difference Result 156 states and 166 transitions. [2018-04-12 19:59:40,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-12 19:59:40,775 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 63 [2018-04-12 19:59:40,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:40,775 INFO L225 Difference]: With dead ends: 156 [2018-04-12 19:59:40,775 INFO L226 Difference]: Without dead ends: 0 [2018-04-12 19:59:40,776 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 379 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=506, Invalid=2146, Unknown=0, NotChecked=0, Total=2652 [2018-04-12 19:59:40,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-12 19:59:40,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-12 19:59:40,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-12 19:59:40,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-12 19:59:40,776 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2018-04-12 19:59:40,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:40,776 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-12 19:59:40,777 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-12 19:59:40,777 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-12 19:59:40,777 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-12 19:59:40,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 07:59:40 BoogieIcfgContainer [2018-04-12 19:59:40,780 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 19:59:40,780 INFO L168 Benchmark]: Toolchain (without parser) took 6415.86 ms. Allocated memory was 402.7 MB in the beginning and 733.0 MB in the end (delta: 330.3 MB). Free memory was 337.1 MB in the beginning and 459.0 MB in the end (delta: -121.9 MB). Peak memory consumption was 208.4 MB. Max. memory is 5.3 GB. [2018-04-12 19:59:40,781 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 402.7 MB. Free memory is still 364.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 19:59:40,781 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.13 ms. Allocated memory is still 402.7 MB. Free memory was 337.1 MB in the beginning and 311.9 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 5.3 GB. [2018-04-12 19:59:40,781 INFO L168 Benchmark]: Boogie Preprocessor took 36.29 ms. Allocated memory is still 402.7 MB. Free memory was 311.9 MB in the beginning and 310.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-04-12 19:59:40,782 INFO L168 Benchmark]: RCFGBuilder took 367.93 ms. Allocated memory was 402.7 MB in the beginning and 609.2 MB in the end (delta: 206.6 MB). Free memory was 310.6 MB in the beginning and 541.5 MB in the end (delta: -230.9 MB). Peak memory consumption was 24.5 MB. Max. memory is 5.3 GB. [2018-04-12 19:59:40,782 INFO L168 Benchmark]: TraceAbstraction took 5764.92 ms. Allocated memory was 609.2 MB in the beginning and 733.0 MB in the end (delta: 123.7 MB). Free memory was 541.5 MB in the beginning and 459.0 MB in the end (delta: 82.5 MB). Peak memory consumption was 206.2 MB. Max. memory is 5.3 GB. [2018-04-12 19:59:40,783 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 402.7 MB. Free memory is still 364.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 244.13 ms. Allocated memory is still 402.7 MB. Free memory was 337.1 MB in the beginning and 311.9 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 36.29 ms. Allocated memory is still 402.7 MB. Free memory was 311.9 MB in the beginning and 310.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 367.93 ms. Allocated memory was 402.7 MB in the beginning and 609.2 MB in the end (delta: 206.6 MB). Free memory was 310.6 MB in the beginning and 541.5 MB in the end (delta: -230.9 MB). Peak memory consumption was 24.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 5764.92 ms. Allocated memory was 609.2 MB in the beginning and 733.0 MB in the end (delta: 123.7 MB). Free memory was 541.5 MB in the beginning and 459.0 MB in the end (delta: 82.5 MB). Peak memory consumption was 206.2 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 566]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 566]: 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: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: 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: 550]: 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: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 64 locations, 15 error locations. SAFE Result, 5.7s OverallTime, 19 OverallIterations, 4 TraceHistogramMax, 3.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 703 SDtfs, 1466 SDslu, 2456 SDs, 0 SdLazy, 2534 SolverSat, 200 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 287 GetRequests, 35 SyntacticMatches, 3 SemanticMatches, 249 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 18/120 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 19 MinimizatonAttempts, 198 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 538 NumberOfCodeBlocks, 538 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 519 ConstructedInterpolants, 0 QuantifiedInterpolants, 165414 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 13 PerfectInterpolantSequences, 18/120 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrspn-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_19-59-40-792.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrspn-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_19-59-40-792.csv Received shutdown request...