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/cstrncpy-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-12 19:59:18,129 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 19:59:18,131 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 19:59:18,143 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 19:59:18,143 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 19:59:18,144 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 19:59:18,145 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 19:59:18,146 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 19:59:18,148 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 19:59:18,149 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 19:59:18,149 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 19:59:18,150 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 19:59:18,150 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 19:59:18,151 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 19:59:18,152 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 19:59:18,154 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 19:59:18,155 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 19:59:18,157 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 19:59:18,157 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 19:59:18,158 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 19:59:18,160 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-12 19:59:18,165 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-12 19:59:18,165 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-12 19:59:18,165 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 19:59:18,175 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 19:59:18,175 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 19:59:18,176 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 19:59:18,176 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 19:59:18,176 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 19:59:18,176 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 19:59:18,177 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 19:59:18,177 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 19:59:18,177 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 19:59:18,177 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 19:59:18,177 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 19:59:18,177 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 19:59:18,177 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 19:59:18,177 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 19:59:18,178 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 19:59:18,178 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 19:59:18,178 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 19:59:18,178 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 19:59:18,178 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 19:59:18,178 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 19:59:18,179 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 19:59:18,179 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 19:59:18,209 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 19:59:18,217 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 19:59:18,220 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 19:59:18,221 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 19:59:18,221 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 19:59:18,222 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,584 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGda92c820b [2018-04-12 19:59:18,699 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 19:59:18,700 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 19:59:18,700 INFO L168 CDTParser]: Scanning cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,707 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 19:59:18,708 INFO L215 ultiparseSymbolTable]: [2018-04-12 19:59:18,708 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 19:59:18,708 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__ ('') in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,708 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,708 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,708 INFO L221 ultiparseSymbolTable]: Function definition 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cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____suseconds_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__caddr_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__u_int in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____rlim64_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,709 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__pid_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__int32_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,710 INFO L230 ultiparseSymbolTable]: Global variable declaration of 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cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,711 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__u_quad_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,711 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____uid_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,711 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____fsword_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,711 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____blksize_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,711 INFO L230 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cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,711 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__dev_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,712 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____int64_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,712 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__ino_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,712 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__ldiv_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,712 INFO L230 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__U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,712 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,712 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____loff_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,712 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__int64_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,712 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__fd_mask in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,712 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__suseconds_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,712 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,712 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__fsid_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,712 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,712 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__u_int16_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,713 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__ushort in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,713 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,713 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,713 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____clock_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,713 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____u_quad_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,713 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____ino64_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,713 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____daddr_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,713 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____key_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,713 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,713 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____uint8_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,713 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____gid_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,713 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____quad_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,713 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____ino_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,713 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____sigset_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,713 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____pid_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,713 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,713 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__clock_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,714 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__u_int8_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,714 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____uint16_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,714 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__uint in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,714 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__daddr_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,714 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____fsid_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,714 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__nlink_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,714 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,714 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____off_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,714 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,714 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__u_long in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,715 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__clockid_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,715 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____fd_mask in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,715 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,715 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,715 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__u_int32_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,715 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__ulong in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,715 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,715 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____u_long in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,715 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__blksize_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,715 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____u_char in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,716 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____off64_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,716 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__u_short in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,716 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____uint32_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,716 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__wchar_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,716 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____int16_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,716 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__div_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,716 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____intptr_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,716 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____clockid_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,716 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,716 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,717 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__u_char in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,717 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__off_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,717 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__quad_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,717 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,717 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__lldiv_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,717 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____socklen_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,717 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__int16_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,717 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i__uid_t in cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:18,731 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGda92c820b [2018-04-12 19:59:18,734 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 19:59:18,736 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 19:59:18,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 19:59:18,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 19:59:18,740 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 19:59:18,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 07:59:18" (1/1) ... [2018-04-12 19:59:18,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46a6c2df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:18, skipping insertion in model container [2018-04-12 19:59:18,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 07:59:18" (1/1) ... [2018-04-12 19:59:18,753 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 19:59:18,775 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 19:59:18,905 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 19:59:18,941 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 19:59:18,946 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-12 19:59:18,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:18 WrapperNode [2018-04-12 19:59:18,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 19:59:18,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 19:59:18,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 19:59:18,982 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 19:59:18,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:18" (1/1) ... [2018-04-12 19:59:18,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:18" (1/1) ... [2018-04-12 19:59:19,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:18" (1/1) ... [2018-04-12 19:59:19,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:18" (1/1) ... [2018-04-12 19:59:19,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:18" (1/1) ... [2018-04-12 19:59:19,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:18" (1/1) ... [2018-04-12 19:59:19,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:18" (1/1) ... [2018-04-12 19:59:19,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 19:59:19,022 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 19:59:19,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 19:59:19,023 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 19:59:19,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:18" (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 19:59:19,112 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 19:59:19,112 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 19:59:19,112 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 19:59:19,112 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 19:59:19,112 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrncpy [2018-04-12 19:59:19,112 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 19:59:19,112 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 19:59:19,112 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrncpy_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 19:59:19,113 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 19:59:19,113 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 19:59:19,113 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 19:59:19,113 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 19:59:19,113 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 19:59:19,113 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 19:59:19,113 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 19:59:19,113 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 19:59:19,113 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 19:59:19,113 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 19:59:19,113 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 19:59:19,113 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 19:59:19,113 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 19:59:19,113 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 19:59:19,113 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 19:59:19,113 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 19:59:19,113 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 19:59:19,114 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 19:59:19,114 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 19:59:19,114 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 19:59:19,114 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 19:59:19,114 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 19:59:19,114 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 19:59:19,114 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 19:59:19,114 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 19:59:19,114 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 19:59:19,114 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 19:59:19,114 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 19:59:19,114 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 19:59:19,114 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 19:59:19,114 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 19:59:19,114 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 19:59:19,114 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 19:59:19,114 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 19:59:19,115 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 19:59:19,115 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 19:59:19,115 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 19:59:19,115 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 19:59:19,115 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 19:59:19,115 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 19:59:19,115 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 19:59:19,115 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 19:59:19,115 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 19:59:19,115 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 19:59:19,115 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 19:59:19,115 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 19:59:19,115 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 19:59:19,115 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 19:59:19,115 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 19:59:19,115 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 19:59:19,115 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 19:59:19,115 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 19:59:19,116 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 19:59:19,116 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 19:59:19,116 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 19:59:19,116 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 19:59:19,116 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 19:59:19,116 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 19:59:19,116 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 19:59:19,116 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 19:59:19,116 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 19:59:19,116 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 19:59:19,116 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 19:59:19,116 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 19:59:19,116 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 19:59:19,116 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 19:59:19,116 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 19:59:19,116 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 19:59:19,116 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 19:59:19,116 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 19:59:19,117 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 19:59:19,117 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 19:59:19,117 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 19:59:19,117 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 19:59:19,117 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 19:59:19,117 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 19:59:19,117 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 19:59:19,117 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 19:59:19,117 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 19:59:19,117 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 19:59:19,117 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 19:59:19,117 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 19:59:19,117 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 19:59:19,117 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 19:59:19,117 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 19:59:19,117 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 19:59:19,117 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 19:59:19,117 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 19:59:19,118 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 19:59:19,118 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 19:59:19,118 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 19:59:19,118 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 19:59:19,118 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 19:59:19,118 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 19:59:19,118 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 19:59:19,118 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 19:59:19,118 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 19:59:19,118 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 19:59:19,118 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 19:59:19,118 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 19:59:19,118 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 19:59:19,118 INFO L128 BoogieDeclarations]: Found specification of procedure cstrncpy [2018-04-12 19:59:19,118 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 19:59:19,118 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 19:59:19,118 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 19:59:19,119 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 19:59:19,119 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 19:59:19,119 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 19:59:19,119 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 19:59:19,119 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 19:59:19,396 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 19:59:19,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 07:59:19 BoogieIcfgContainer [2018-04-12 19:59:19,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 19:59:19,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 19:59:19,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 19:59:19,399 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 19:59:19,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 07:59:18" (1/3) ... [2018-04-12 19:59:19,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1061d218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 07:59:19, skipping insertion in model container [2018-04-12 19:59:19,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:59:18" (2/3) ... [2018-04-12 19:59:19,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1061d218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 07:59:19, skipping insertion in model container [2018-04-12 19:59:19,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 07:59:19" (3/3) ... [2018-04-12 19:59:19,401 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:59:19,406 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-12 19:59:19,412 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-04-12 19:59:19,442 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 19:59:19,443 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 19:59:19,443 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 19:59:19,443 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-12 19:59:19,443 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-12 19:59:19,443 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 19:59:19,443 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 19:59:19,443 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 19:59:19,443 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 19:59:19,444 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 19:59:19,450 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2018-04-12 19:59:19,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-12 19:59:19,456 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:19,456 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:19,456 INFO L408 AbstractCegarLoop]: === Iteration 1 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:19,459 INFO L82 PathProgramCache]: Analyzing trace with hash -441767553, now seen corresponding path program 1 times [2018-04-12 19:59:19,495 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:19,528 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:19,568 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 19:59:19,570 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:19,570 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 19:59:19,571 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:19,572 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 19:59:19,572 INFO L182 omatonBuilderFactory]: Interpolants [49#true, 50#false, 51#(= 1 (select |#valid| |main_#t~malloc11.base|)), 52#(= 1 (select |#valid| main_~nondetString~0.base))] [2018-04-12 19:59:19,572 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 19:59:19,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 19:59:19,582 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 19:59:19,582 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 19:59:19,584 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 4 states. [2018-04-12 19:59:19,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:19,660 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2018-04-12 19:59:19,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 19:59:19,661 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-12 19:59:19,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:19,670 INFO L225 Difference]: With dead ends: 45 [2018-04-12 19:59:19,671 INFO L226 Difference]: Without dead ends: 42 [2018-04-12 19:59:19,673 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 19:59:19,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-04-12 19:59:19,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-04-12 19:59:19,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-04-12 19:59:19,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2018-04-12 19:59:19,705 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 13 [2018-04-12 19:59:19,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:19,706 INFO L459 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2018-04-12 19:59:19,706 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 19:59:19,706 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2018-04-12 19:59:19,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-12 19:59:19,707 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:19,707 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:19,707 INFO L408 AbstractCegarLoop]: === Iteration 2 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:19,707 INFO L82 PathProgramCache]: Analyzing trace with hash -441767552, now seen corresponding path program 1 times [2018-04-12 19:59:19,708 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:19,723 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:19,777 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 19:59:19,777 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:19,777 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 19:59:19,777 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:19,777 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 19:59:19,778 INFO L182 omatonBuilderFactory]: Interpolants [144#(<= 1 main_~length~0), 145#(and (= main_~length~0 (select |#length| |main_#t~malloc11.base|)) (= 0 |main_#t~malloc11.offset|) (<= 1 main_~length~0)), 146#(and (= main_~length~0 (select |#length| main_~nondetString~0.base)) (= main_~nondetString~0.offset 0) (<= 1 main_~length~0)), 142#true, 143#false] [2018-04-12 19:59:19,778 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 19:59:19,779 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 19:59:19,779 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 19:59:19,779 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 19:59:19,779 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 5 states. [2018-04-12 19:59:19,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:19,835 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2018-04-12 19:59:19,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 19:59:19,837 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-04-12 19:59:19,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:19,837 INFO L225 Difference]: With dead ends: 41 [2018-04-12 19:59:19,838 INFO L226 Difference]: Without dead ends: 41 [2018-04-12 19:59:19,838 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 19:59:19,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-04-12 19:59:19,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-04-12 19:59:19,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-04-12 19:59:19,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2018-04-12 19:59:19,842 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 13 [2018-04-12 19:59:19,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:19,843 INFO L459 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2018-04-12 19:59:19,843 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 19:59:19,843 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2018-04-12 19:59:19,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 19:59:19,844 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:19,844 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 19:59:19,844 INFO L408 AbstractCegarLoop]: === Iteration 3 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:19,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1083273766, now seen corresponding path program 1 times [2018-04-12 19:59:19,845 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:19,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:19,858 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:19,883 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 19:59:19,883 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:19,884 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 19:59:19,884 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:19,884 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 19:59:19,884 INFO L182 omatonBuilderFactory]: Interpolants [231#true, 232#false, 233#(= 1 (select |#valid| main_~nondetString~0.base)), 234#(= 1 (select |#valid| |cstrncpy_#in~s2.base|)), 235#(= 1 (select |#valid| cstrncpy_~src~0.base)), 236#(= 1 (select |#valid| |cstrncpy_#t~post4.base|))] [2018-04-12 19:59:19,884 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 19:59:19,884 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 19:59:19,884 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 19:59:19,885 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 19:59:19,885 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 6 states. [2018-04-12 19:59:19,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:19,939 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2018-04-12 19:59:19,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 19:59:19,939 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-04-12 19:59:19,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:19,940 INFO L225 Difference]: With dead ends: 40 [2018-04-12 19:59:19,940 INFO L226 Difference]: Without dead ends: 40 [2018-04-12 19:59:19,940 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 19:59:19,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-04-12 19:59:19,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-04-12 19:59:19,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-04-12 19:59:19,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2018-04-12 19:59:19,942 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 18 [2018-04-12 19:59:19,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:19,942 INFO L459 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2018-04-12 19:59:19,943 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 19:59:19,943 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2018-04-12 19:59:19,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 19:59:19,943 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:19,943 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 19:59:19,943 INFO L408 AbstractCegarLoop]: === Iteration 4 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:19,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1083273765, now seen corresponding path program 1 times [2018-04-12 19:59:19,944 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:19,954 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:20,042 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 19:59:20,042 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:20,042 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-12 19:59:20,042 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:20,042 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 19:59:20,043 INFO L182 omatonBuilderFactory]: Interpolants [321#true, 322#false, 323#(<= 1 main_~length~0), 324#(and (= main_~length~0 (select |#length| |main_#t~malloc11.base|)) (= 0 |main_#t~malloc11.offset|) (<= 1 main_~length~0)), 325#(and (= main_~length~0 (select |#length| main_~nondetString~0.base)) (= 0 main_~nondetString~0.offset) (<= 1 main_~length~0)), 326#(and (<= 1 (select |#length| main_~nondetString~0.base)) (= 0 main_~nondetString~0.offset)), 327#(and (<= 1 (select |#length| |cstrncpy_#in~s2.base|)) (= 0 |cstrncpy_#in~s2.offset|)), 328#(and (= 0 cstrncpy_~src~0.offset) (<= 1 (select |#length| cstrncpy_~src~0.base))), 329#(and (<= 1 (select |#length| |cstrncpy_#t~post4.base|)) (= |cstrncpy_#t~post4.offset| 0))] [2018-04-12 19:59:20,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:20,043 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 19:59:20,043 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 19:59:20,044 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-04-12 19:59:20,044 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand 9 states. [2018-04-12 19:59:20,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:20,168 INFO L93 Difference]: Finished difference Result 50 states and 56 transitions. [2018-04-12 19:59:20,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 19:59:20,168 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2018-04-12 19:59:20,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:20,171 INFO L225 Difference]: With dead ends: 50 [2018-04-12 19:59:20,171 INFO L226 Difference]: Without dead ends: 50 [2018-04-12 19:59:20,172 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-04-12 19:59:20,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-12 19:59:20,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 43. [2018-04-12 19:59:20,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-12 19:59:20,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2018-04-12 19:59:20,175 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 18 [2018-04-12 19:59:20,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:20,176 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2018-04-12 19:59:20,176 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 19:59:20,176 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2018-04-12 19:59:20,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-12 19:59:20,176 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:20,177 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:20,177 INFO L408 AbstractCegarLoop]: === Iteration 5 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:20,177 INFO L82 PathProgramCache]: Analyzing trace with hash 778251610, now seen corresponding path program 1 times [2018-04-12 19:59:20,178 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:20,189 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:20,237 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 19:59:20,237 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:20,237 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-12 19:59:20,237 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:20,237 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 19:59:20,237 INFO L182 omatonBuilderFactory]: Interpolants [432#(= 1 (select |#valid| main_~nondetArea~0.base)), 433#(or (= |main_#t~malloc11.base| main_~nondetArea~0.base) (= 1 (select |#valid| main_~nondetArea~0.base))), 434#(or (= main_~nondetString~0.base main_~nondetArea~0.base) (= 1 (select |#valid| main_~nondetArea~0.base))), 435#(= 1 (select |#valid| |cstrncpy_#in~s1.base|)), 436#(= 1 (select |#valid| cstrncpy_~dst~0.base)), 437#(= 1 (select |#valid| |cstrncpy_#t~post3.base|)), 429#true, 430#false, 431#(= 1 (select |#valid| |main_#t~malloc10.base|))] [2018-04-12 19:59:20,237 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 19:59:20,237 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 19:59:20,238 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 19:59:20,238 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-12 19:59:20,238 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand 9 states. [2018-04-12 19:59:20,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:20,334 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions. [2018-04-12 19:59:20,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-12 19:59:20,334 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-04-12 19:59:20,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:20,335 INFO L225 Difference]: With dead ends: 42 [2018-04-12 19:59:20,335 INFO L226 Difference]: Without dead ends: 42 [2018-04-12 19:59:20,335 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-04-12 19:59:20,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-04-12 19:59:20,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-04-12 19:59:20,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-04-12 19:59:20,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2018-04-12 19:59:20,337 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 19 [2018-04-12 19:59:20,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:20,337 INFO L459 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2018-04-12 19:59:20,337 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 19:59:20,337 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2018-04-12 19:59:20,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-12 19:59:20,337 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:20,337 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:20,338 INFO L408 AbstractCegarLoop]: === Iteration 6 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:20,338 INFO L82 PathProgramCache]: Analyzing trace with hash 778251611, now seen corresponding path program 1 times [2018-04-12 19:59:20,338 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:20,349 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:20,407 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 19:59:20,407 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:20,407 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-12 19:59:20,407 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:20,407 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 19:59:20,407 INFO L182 omatonBuilderFactory]: Interpolants [528#true, 529#false, 530#(<= 1 main_~n~0), 531#(and (= 0 |main_#t~malloc10.offset|) (<= 1 main_~n~0) (= main_~n~0 (select |#length| |main_#t~malloc10.base|)) (= (select |#valid| |main_#t~malloc10.base|) 1)), 532#(and (= main_~n~0 (select |#length| main_~nondetArea~0.base)) (= (select |#valid| main_~nondetArea~0.base) 1) (<= 1 main_~n~0) (= 0 main_~nondetArea~0.offset)), 533#(and (= main_~n~0 (select |#length| main_~nondetArea~0.base)) (<= 1 main_~n~0) (= 0 main_~nondetArea~0.offset)), 534#(and (<= 1 (select |#length| |cstrncpy_#in~s1.base|)) (= 0 |cstrncpy_#in~s1.offset|)), 535#(and (= 0 cstrncpy_~dst~0.offset) (<= 1 (select |#length| cstrncpy_~dst~0.base))), 536#(and (= |cstrncpy_#t~post3.offset| 0) (<= 1 (select |#length| |cstrncpy_#t~post3.base|)))] [2018-04-12 19:59:20,407 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 19:59:20,408 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 19:59:20,408 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 19:59:20,408 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-04-12 19:59:20,408 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. Second operand 9 states. [2018-04-12 19:59:20,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:20,475 INFO L93 Difference]: Finished difference Result 47 states and 53 transitions. [2018-04-12 19:59:20,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 19:59:20,475 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-04-12 19:59:20,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:20,476 INFO L225 Difference]: With dead ends: 47 [2018-04-12 19:59:20,476 INFO L226 Difference]: Without dead ends: 47 [2018-04-12 19:59:20,476 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-04-12 19:59:20,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-04-12 19:59:20,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 43. [2018-04-12 19:59:20,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-12 19:59:20,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2018-04-12 19:59:20,479 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 19 [2018-04-12 19:59:20,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:20,480 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2018-04-12 19:59:20,480 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 19:59:20,480 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2018-04-12 19:59:20,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-12 19:59:20,480 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:20,481 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:20,481 INFO L408 AbstractCegarLoop]: === Iteration 7 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:20,481 INFO L82 PathProgramCache]: Analyzing trace with hash -1006730087, now seen corresponding path program 1 times [2018-04-12 19:59:20,482 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:20,491 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:20,519 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:20,519 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:20,519 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-12 19:59:20,520 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:20,520 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 19:59:20,520 INFO L182 omatonBuilderFactory]: Interpolants [633#true, 634#false, 635#(<= main_~n~0 1), 636#(<= |cstrncpy_#in~n| 1), 637#(<= cstrncpy_~n 1), 638#(<= cstrncpy_~n 0)] [2018-04-12 19:59:20,520 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:20,520 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 19:59:20,520 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 19:59:20,520 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-04-12 19:59:20,521 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand 6 states. [2018-04-12 19:59:20,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:20,552 INFO L93 Difference]: Finished difference Result 77 states and 84 transitions. [2018-04-12 19:59:20,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-12 19:59:20,552 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-04-12 19:59:20,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:20,553 INFO L225 Difference]: With dead ends: 77 [2018-04-12 19:59:20,553 INFO L226 Difference]: Without dead ends: 77 [2018-04-12 19:59:20,553 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-04-12 19:59:20,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-04-12 19:59:20,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 65. [2018-04-12 19:59:20,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-04-12 19:59:20,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 75 transitions. [2018-04-12 19:59:20,556 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 75 transitions. Word has length 23 [2018-04-12 19:59:20,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:20,556 INFO L459 AbstractCegarLoop]: Abstraction has 65 states and 75 transitions. [2018-04-12 19:59:20,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 19:59:20,556 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2018-04-12 19:59:20,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-12 19:59:20,557 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:20,557 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:20,557 INFO L408 AbstractCegarLoop]: === Iteration 8 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:20,557 INFO L82 PathProgramCache]: Analyzing trace with hash -2027798441, now seen corresponding path program 1 times [2018-04-12 19:59:20,557 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:20,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:20,568 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:20,672 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:20,672 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:20,672 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-12 19:59:20,673 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:20,673 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 19:59:20,673 INFO L182 omatonBuilderFactory]: Interpolants [785#true, 786#false, 787#(and (<= main_~length~0 1) (<= 1 main_~length~0)), 788#(and (<= main_~length~0 1) (= 0 |main_#t~malloc11.offset|) (<= 1 main_~length~0)), 789#(and (<= (+ main_~nondetString~0.offset main_~length~0) 1) (= main_~nondetString~0.offset 0) (<= 1 main_~length~0)), 790#(and (= main_~nondetString~0.offset 0) (= 0 (select (select |#memory_int| main_~nondetString~0.base) main_~nondetString~0.offset))), 791#(= 0 (select (select |#memory_int| |cstrncpy_#in~s2.base|) |cstrncpy_#in~s2.offset|)), 792#(= 0 (select (select |#memory_int| cstrncpy_~src~0.base) cstrncpy_~src~0.offset)), 793#(= 0 (select (select |#memory_int| |cstrncpy_#t~post4.base|) |cstrncpy_#t~post4.offset|)), 794#(= 0 |cstrncpy_#t~mem5|)] [2018-04-12 19:59:20,673 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:20,673 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-12 19:59:20,674 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-12 19:59:20,674 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-04-12 19:59:20,674 INFO L87 Difference]: Start difference. First operand 65 states and 75 transitions. Second operand 10 states. [2018-04-12 19:59:20,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:20,782 INFO L93 Difference]: Finished difference Result 121 states and 137 transitions. [2018-04-12 19:59:20,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-12 19:59:20,783 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-04-12 19:59:20,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:20,783 INFO L225 Difference]: With dead ends: 121 [2018-04-12 19:59:20,783 INFO L226 Difference]: Without dead ends: 121 [2018-04-12 19:59:20,784 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2018-04-12 19:59:20,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-04-12 19:59:20,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 86. [2018-04-12 19:59:20,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-04-12 19:59:20,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 101 transitions. [2018-04-12 19:59:20,789 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 101 transitions. Word has length 23 [2018-04-12 19:59:20,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:20,789 INFO L459 AbstractCegarLoop]: Abstraction has 86 states and 101 transitions. [2018-04-12 19:59:20,790 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-12 19:59:20,790 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 101 transitions. [2018-04-12 19:59:20,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-12 19:59:20,790 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:20,791 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:20,791 INFO L408 AbstractCegarLoop]: === Iteration 9 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:20,791 INFO L82 PathProgramCache]: Analyzing trace with hash 678820953, now seen corresponding path program 1 times [2018-04-12 19:59:20,791 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:20,802 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:20,934 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:20,935 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 19:59:20,935 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-12 19:59:20,935 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:20,935 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 19:59:20,935 INFO L182 omatonBuilderFactory]: Interpolants [1024#(and (<= (+ cstrncpy_~src~0.offset 1) (select |#length| cstrncpy_~src~0.base)) (<= 1 cstrncpy_~src~0.offset)), 1025#(and (<= (+ |cstrncpy_#t~post4.offset| 1) (select |#length| |cstrncpy_#t~post4.base|)) (<= 1 |cstrncpy_#t~post4.offset|)), 1014#true, 1015#false, 1016#(<= 1 main_~length~0), 1017#(and (= 0 |main_#t~malloc11.offset|) (<= 1 main_~length~0)), 1018#(and (= 0 main_~nondetString~0.offset) (<= 1 main_~length~0)), 1019#(and (or (<= 2 (select |#length| main_~nondetString~0.base)) (= 0 (select (select |#memory_int| main_~nondetString~0.base) main_~nondetString~0.offset))) (= 0 main_~nondetString~0.offset)), 1020#(and (or (= 0 (select (select |#memory_int| |cstrncpy_#in~s2.base|) |cstrncpy_#in~s2.offset|)) (<= 2 (select |#length| |cstrncpy_#in~s2.base|))) (= 0 |cstrncpy_#in~s2.offset|)), 1021#(and (= 0 cstrncpy_~src~0.offset) (or (<= 2 (select |#length| cstrncpy_~src~0.base)) (= 0 (select (select |#memory_int| cstrncpy_~src~0.base) cstrncpy_~src~0.offset)))), 1022#(and (= |cstrncpy_#t~post4.offset| 0) (or (and (<= (+ cstrncpy_~src~0.offset 1) (+ (select |#length| |cstrncpy_#t~post4.base|) |cstrncpy_#t~post4.offset|)) (= |cstrncpy_#t~post4.base| cstrncpy_~src~0.base) (<= (+ |cstrncpy_#t~post4.offset| 1) cstrncpy_~src~0.offset)) (= 0 (select (select |#memory_int| |cstrncpy_#t~post4.base|) |cstrncpy_#t~post4.offset|)))), 1023#(or (= 0 |cstrncpy_#t~mem5|) (and (<= (+ cstrncpy_~src~0.offset 1) (select |#length| cstrncpy_~src~0.base)) (<= 1 cstrncpy_~src~0.offset)))] [2018-04-12 19:59:20,935 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:20,936 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-12 19:59:20,936 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-12 19:59:20,936 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2018-04-12 19:59:20,936 INFO L87 Difference]: Start difference. First operand 86 states and 101 transitions. Second operand 12 states. [2018-04-12 19:59:21,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:21,090 INFO L93 Difference]: Finished difference Result 115 states and 132 transitions. [2018-04-12 19:59:21,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-12 19:59:21,090 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 23 [2018-04-12 19:59:21,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:21,092 INFO L225 Difference]: With dead ends: 115 [2018-04-12 19:59:21,092 INFO L226 Difference]: Without dead ends: 115 [2018-04-12 19:59:21,092 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2018-04-12 19:59:21,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-04-12 19:59:21,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 90. [2018-04-12 19:59:21,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-04-12 19:59:21,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 107 transitions. [2018-04-12 19:59:21,098 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 107 transitions. Word has length 23 [2018-04-12 19:59:21,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:21,098 INFO L459 AbstractCegarLoop]: Abstraction has 90 states and 107 transitions. [2018-04-12 19:59:21,098 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-12 19:59:21,098 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 107 transitions. [2018-04-12 19:59:21,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-12 19:59:21,098 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:21,099 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] [2018-04-12 19:59:21,099 INFO L408 AbstractCegarLoop]: === Iteration 10 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:21,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1161751038, now seen corresponding path program 1 times [2018-04-12 19:59:21,099 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:21,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:21,108 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:21,135 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 19:59:21,136 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:21,136 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 19:59:21,136 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:21,137 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 19:59:21,137 INFO L182 omatonBuilderFactory]: Interpolants [1248#(= 1 (select |#valid| |cstrncpy_#t~post7.base|)), 1243#true, 1244#false, 1245#(= |cstrncpy_#t~post3.base| cstrncpy_~dst~0.base), 1246#(= 1 (select |#valid| cstrncpy_~dst~0.base)), 1247#(= 1 (select |#valid| cstrncpy_~us~0.base))] [2018-04-12 19:59:21,137 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 19:59:21,137 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 19:59:21,137 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 19:59:21,137 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 19:59:21,138 INFO L87 Difference]: Start difference. First operand 90 states and 107 transitions. Second operand 6 states. [2018-04-12 19:59:21,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:21,203 INFO L93 Difference]: Finished difference Result 104 states and 119 transitions. [2018-04-12 19:59:21,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-12 19:59:21,204 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-04-12 19:59:21,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:21,204 INFO L225 Difference]: With dead ends: 104 [2018-04-12 19:59:21,204 INFO L226 Difference]: Without dead ends: 104 [2018-04-12 19:59:21,205 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-04-12 19:59:21,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-04-12 19:59:21,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 89. [2018-04-12 19:59:21,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-04-12 19:59:21,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 104 transitions. [2018-04-12 19:59:21,209 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 104 transitions. Word has length 24 [2018-04-12 19:59:21,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:21,209 INFO L459 AbstractCegarLoop]: Abstraction has 89 states and 104 transitions. [2018-04-12 19:59:21,209 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 19:59:21,209 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 104 transitions. [2018-04-12 19:59:21,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-12 19:59:21,209 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:21,209 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] [2018-04-12 19:59:21,209 INFO L408 AbstractCegarLoop]: === Iteration 11 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:21,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1161751037, now seen corresponding path program 1 times [2018-04-12 19:59:21,210 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:21,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:21,219 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:21,278 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 19:59:21,278 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:21,278 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-12 19:59:21,278 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:21,279 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 19:59:21,279 INFO L182 omatonBuilderFactory]: Interpolants [1448#true, 1449#false, 1450#(and (<= 1 main_~n~0) (<= main_~n~0 1)), 1451#(and (<= 1 |cstrncpy_#in~n|) (<= |cstrncpy_#in~n| 1)), 1452#(and (<= cstrncpy_~n 1) (<= 1 cstrncpy_~n)), 1453#(and (<= 0 cstrncpy_~n) (<= cstrncpy_~n 0)), 1454#(and (<= cstrncpy_~n2~0 0) (<= 0 cstrncpy_~n2~0)), 1455#(and (<= |cstrncpy_#t~post6| 0) (<= 0 |cstrncpy_#t~post6|))] [2018-04-12 19:59:21,279 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 19:59:21,279 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 19:59:21,279 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 19:59:21,280 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-04-12 19:59:21,280 INFO L87 Difference]: Start difference. First operand 89 states and 104 transitions. Second operand 8 states. [2018-04-12 19:59:21,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:21,370 INFO L93 Difference]: Finished difference Result 112 states and 123 transitions. [2018-04-12 19:59:21,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 19:59:21,375 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2018-04-12 19:59:21,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:21,376 INFO L225 Difference]: With dead ends: 112 [2018-04-12 19:59:21,376 INFO L226 Difference]: Without dead ends: 112 [2018-04-12 19:59:21,377 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-04-12 19:59:21,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-04-12 19:59:21,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 105. [2018-04-12 19:59:21,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-04-12 19:59:21,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 117 transitions. [2018-04-12 19:59:21,382 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 117 transitions. Word has length 24 [2018-04-12 19:59:21,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:21,382 INFO L459 AbstractCegarLoop]: Abstraction has 105 states and 117 transitions. [2018-04-12 19:59:21,382 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 19:59:21,382 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 117 transitions. [2018-04-12 19:59:21,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-12 19:59:21,383 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:21,383 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] [2018-04-12 19:59:21,383 INFO L408 AbstractCegarLoop]: === Iteration 12 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:21,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1544868357, now seen corresponding path program 1 times [2018-04-12 19:59:21,384 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:21,394 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:21,520 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 19:59:21,520 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:21,520 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-04-12 19:59:21,520 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:21,520 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 19:59:21,520 INFO L182 omatonBuilderFactory]: Interpolants [1681#true, 1682#false, 1683#(and (= 0 |main_#t~malloc10.offset|) (= main_~n~0 (select |#length| |main_#t~malloc10.base|)) (= (select |#valid| |main_#t~malloc10.base|) 1)), 1684#(and (= main_~n~0 (select |#length| main_~nondetArea~0.base)) (= (select |#valid| main_~nondetArea~0.base) 1) (= 0 main_~nondetArea~0.offset)), 1685#(and (= main_~n~0 (select |#length| main_~nondetArea~0.base)) (= 0 main_~nondetArea~0.offset)), 1686#(and (<= (select |#length| |cstrncpy_#in~s1.base|) |cstrncpy_#in~n|) (<= |cstrncpy_#in~n| (select |#length| |cstrncpy_#in~s1.base|)) (= 0 |cstrncpy_#in~s1.offset|)), 1687#(and (= 0 cstrncpy_~dst~0.offset) (<= (select |#length| cstrncpy_~dst~0.base) cstrncpy_~n) (<= cstrncpy_~n (select |#length| cstrncpy_~dst~0.base))), 1688#(and (= |cstrncpy_#t~post3.base| cstrncpy_~dst~0.base) (<= (+ |cstrncpy_#t~post3.offset| 1) cstrncpy_~dst~0.offset) (= |cstrncpy_#t~post3.offset| 0) (<= (+ cstrncpy_~dst~0.offset cstrncpy_~n) (+ |cstrncpy_#t~post3.offset| (select |#length| |cstrncpy_#t~post3.base|))) (<= (select |#length| |cstrncpy_#t~post3.base|) (+ cstrncpy_~n 1))), 1689#(and (<= (+ cstrncpy_~dst~0.offset cstrncpy_~n) (select |#length| cstrncpy_~dst~0.base)) (<= 1 cstrncpy_~dst~0.offset) (<= 0 cstrncpy_~n)), 1690#(and (<= 1 cstrncpy_~us~0.offset) (<= (+ cstrncpy_~us~0.offset cstrncpy_~n2~0) (select |#length| cstrncpy_~us~0.base)) (<= 0 cstrncpy_~n2~0)), 1691#(and (<= 1 cstrncpy_~us~0.offset) (or (<= |cstrncpy_#t~post6| 0) (<= (+ cstrncpy_~us~0.offset |cstrncpy_#t~post6|) (select |#length| cstrncpy_~us~0.base))) (<= 0 |cstrncpy_#t~post6|)), 1692#(and (<= 1 |cstrncpy_#t~post7.offset|) (<= (+ |cstrncpy_#t~post7.offset| 1) (select |#length| |cstrncpy_#t~post7.base|)))] [2018-04-12 19:59:21,521 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 19:59:21,521 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-12 19:59:21,521 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-12 19:59:21,521 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2018-04-12 19:59:21,521 INFO L87 Difference]: Start difference. First operand 105 states and 117 transitions. Second operand 12 states. [2018-04-12 19:59:21,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:21,737 INFO L93 Difference]: Finished difference Result 121 states and 135 transitions. [2018-04-12 19:59:21,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-12 19:59:21,737 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 24 [2018-04-12 19:59:21,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:21,738 INFO L225 Difference]: With dead ends: 121 [2018-04-12 19:59:21,738 INFO L226 Difference]: Without dead ends: 121 [2018-04-12 19:59:21,738 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2018-04-12 19:59:21,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-04-12 19:59:21,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 113. [2018-04-12 19:59:21,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-04-12 19:59:21,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 127 transitions. [2018-04-12 19:59:21,742 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 127 transitions. Word has length 24 [2018-04-12 19:59:21,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:21,742 INFO L459 AbstractCegarLoop]: Abstraction has 113 states and 127 transitions. [2018-04-12 19:59:21,742 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-12 19:59:21,743 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 127 transitions. [2018-04-12 19:59:21,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-12 19:59:21,743 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:21,743 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:21,744 INFO L408 AbstractCegarLoop]: === Iteration 13 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:21,744 INFO L82 PathProgramCache]: Analyzing trace with hash -431386979, now seen corresponding path program 1 times [2018-04-12 19:59:21,744 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:21,757 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:21,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:21,834 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 19:59:21,834 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-04-12 19:59:21,835 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:21,835 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 19:59:21,835 INFO L182 omatonBuilderFactory]: Interpolants [1941#true, 1942#false, 1943#(and (= 0 |main_#t~malloc10.offset|) (= main_~n~0 (select |#length| |main_#t~malloc10.base|)) (= (select |#valid| |main_#t~malloc10.base|) 1)), 1944#(and (= main_~n~0 (select |#length| main_~nondetArea~0.base)) (= (select |#valid| main_~nondetArea~0.base) 1) (= 0 main_~nondetArea~0.offset)), 1945#(and (= main_~n~0 (select |#length| main_~nondetArea~0.base)) (= 0 main_~nondetArea~0.offset)), 1946#(and (<= |cstrncpy_#in~n| (select |#length| |cstrncpy_#in~s1.base|)) (= 0 |cstrncpy_#in~s1.offset|)), 1947#(and (= 0 cstrncpy_~dst~0.offset) (<= cstrncpy_~n (select |#length| cstrncpy_~dst~0.base))), 1948#(and (= |cstrncpy_#t~post3.base| cstrncpy_~dst~0.base) (<= (+ |cstrncpy_#t~post3.offset| 1) cstrncpy_~dst~0.offset) (= |cstrncpy_#t~post3.offset| 0) (<= (+ cstrncpy_~dst~0.offset cstrncpy_~n) (+ |cstrncpy_#t~post3.offset| (select |#length| |cstrncpy_#t~post3.base|)))), 1949#(and (<= (+ cstrncpy_~dst~0.offset cstrncpy_~n) (select |#length| cstrncpy_~dst~0.base)) (<= 1 cstrncpy_~dst~0.offset)), 1950#(and (<= (+ |cstrncpy_#t~post3.offset| 1) (select |#length| |cstrncpy_#t~post3.base|)) (<= 1 |cstrncpy_#t~post3.offset|))] [2018-04-12 19:59:21,835 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:21,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-12 19:59:21,836 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-12 19:59:21,836 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-04-12 19:59:21,836 INFO L87 Difference]: Start difference. First operand 113 states and 127 transitions. Second operand 10 states. [2018-04-12 19:59:21,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:21,970 INFO L93 Difference]: Finished difference Result 118 states and 132 transitions. [2018-04-12 19:59:21,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-12 19:59:21,970 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2018-04-12 19:59:21,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:21,971 INFO L225 Difference]: With dead ends: 118 [2018-04-12 19:59:21,971 INFO L226 Difference]: Without dead ends: 118 [2018-04-12 19:59:21,971 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-04-12 19:59:21,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-04-12 19:59:21,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 112. [2018-04-12 19:59:21,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-04-12 19:59:21,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 126 transitions. [2018-04-12 19:59:21,975 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 126 transitions. Word has length 24 [2018-04-12 19:59:21,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:21,976 INFO L459 AbstractCegarLoop]: Abstraction has 112 states and 126 transitions. [2018-04-12 19:59:21,976 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-12 19:59:21,976 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 126 transitions. [2018-04-12 19:59:21,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-12 19:59:21,977 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:21,977 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] [2018-04-12 19:59:21,977 INFO L408 AbstractCegarLoop]: === Iteration 14 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:21,977 INFO L82 PathProgramCache]: Analyzing trace with hash 675191908, now seen corresponding path program 1 times [2018-04-12 19:59:21,977 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:21,983 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:22,000 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 19:59:22,000 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:22,001 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 19:59:22,001 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:22,001 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 19:59:22,001 INFO L182 omatonBuilderFactory]: Interpolants [2192#false, 2193#(<= 1 main_~n~0), 2194#(= cstrncpy_~n |cstrncpy_#in~n|), 2195#(<= |cstrncpy_#in~n| 0), 2191#true] [2018-04-12 19:59:22,001 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 19:59:22,001 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 19:59:22,002 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 19:59:22,002 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 19:59:22,003 INFO L87 Difference]: Start difference. First operand 112 states and 126 transitions. Second operand 5 states. [2018-04-12 19:59:22,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:22,018 INFO L93 Difference]: Finished difference Result 118 states and 130 transitions. [2018-04-12 19:59:22,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 19:59:22,018 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-04-12 19:59:22,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:22,018 INFO L225 Difference]: With dead ends: 118 [2018-04-12 19:59:22,018 INFO L226 Difference]: Without dead ends: 112 [2018-04-12 19:59:22,019 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 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 19:59:22,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-04-12 19:59:22,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2018-04-12 19:59:22,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-04-12 19:59:22,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 124 transitions. [2018-04-12 19:59:22,022 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 124 transitions. Word has length 26 [2018-04-12 19:59:22,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:22,022 INFO L459 AbstractCegarLoop]: Abstraction has 112 states and 124 transitions. [2018-04-12 19:59:22,022 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 19:59:22,023 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 124 transitions. [2018-04-12 19:59:22,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-12 19:59:22,023 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:22,023 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:22,024 INFO L408 AbstractCegarLoop]: === Iteration 15 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:22,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1936618715, now seen corresponding path program 2 times [2018-04-12 19:59:22,024 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:22,035 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:22,286 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 19:59:22,286 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 19:59:22,286 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-12 19:59:22,286 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:22,286 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 19:59:22,287 INFO L182 omatonBuilderFactory]: Interpolants [2432#(and (= main_~length~0 (select |#length| |main_#t~malloc11.base|)) (= 0 |main_#t~malloc11.offset|) (not (= main_~nondetArea~0.base |main_#t~malloc11.base|))), 2433#(and (or (= main_~length~0 (select |#length| main_~nondetString~0.base)) (= (+ main_~nondetString~0.offset main_~length~0) 2)) (= 0 main_~nondetString~0.offset) (or (not (= main_~nondetArea~0.base main_~nondetString~0.base)) (not (= (+ main_~nondetString~0.offset main_~length~0) 2)))), 2434#(and (or (<= (+ main_~nondetString~0.offset (select |#length| main_~nondetString~0.base)) 1) (and (not (= main_~nondetArea~0.base main_~nondetString~0.base)) (= 0 (select (select |#memory_int| main_~nondetString~0.base) 1))) (<= 3 (+ main_~nondetString~0.offset (select |#length| main_~nondetString~0.base)))) (= 0 main_~nondetString~0.offset)), 2435#(and (or (<= (select |#length| |cstrncpy_#in~s2.base|) 1) (and (not (= |cstrncpy_#in~s1.base| |cstrncpy_#in~s2.base|)) (= 0 (select (select |#memory_int| |cstrncpy_#in~s2.base|) 1))) (<= 3 (select |#length| |cstrncpy_#in~s2.base|))) (= 0 |cstrncpy_#in~s2.offset|)), 2436#(and (= 0 cstrncpy_~src~0.offset) (or (and (not (= cstrncpy_~dst~0.base cstrncpy_~src~0.base)) (= 0 (select (select |#memory_int| cstrncpy_~src~0.base) 1))) (<= (select |#length| cstrncpy_~src~0.base) 1) (<= 3 (select |#length| cstrncpy_~src~0.base)))), 2437#(and (or (and (= 0 (select (select |#memory_int| |cstrncpy_#t~post4.base|) 1)) (not (= |cstrncpy_#t~post4.base| |cstrncpy_#t~post3.base|)) (<= cstrncpy_~src~0.offset (+ |cstrncpy_#t~post4.offset| 1)) (= |cstrncpy_#t~post4.base| cstrncpy_~src~0.base)) (and (or (<= (+ (select |#length| |cstrncpy_#t~post4.base|) |cstrncpy_#t~post4.offset|) cstrncpy_~src~0.offset) (<= (+ cstrncpy_~src~0.offset 2) (+ (select |#length| |cstrncpy_#t~post4.base|) |cstrncpy_#t~post4.offset|))) (= |cstrncpy_#t~post4.base| cstrncpy_~src~0.base))) (= |cstrncpy_#t~post4.offset| 0) (<= (+ |cstrncpy_#t~post4.offset| 1) cstrncpy_~src~0.offset)), 2438#(and (<= 1 cstrncpy_~src~0.offset) (or (<= (select |#length| cstrncpy_~src~0.base) cstrncpy_~src~0.offset) (<= (+ cstrncpy_~src~0.offset 2) (select |#length| cstrncpy_~src~0.base)) (and (not (= |cstrncpy_#t~post3.base| cstrncpy_~src~0.base)) (<= cstrncpy_~src~0.offset 1) (= 0 (select (select |#memory_int| cstrncpy_~src~0.base) 1))))), 2439#(and (<= 1 cstrncpy_~src~0.offset) (or (<= (select |#length| cstrncpy_~src~0.base) cstrncpy_~src~0.offset) (<= (+ cstrncpy_~src~0.offset 2) (select |#length| cstrncpy_~src~0.base)) (and (<= cstrncpy_~src~0.offset 1) (= 0 (select (select |#memory_int| cstrncpy_~src~0.base) 1))))), 2440#(and (or (and (= 1 |cstrncpy_#t~post4.offset|) (= 0 (select (select |#memory_int| |cstrncpy_#t~post4.base|) |cstrncpy_#t~post4.offset|))) (<= (+ cstrncpy_~src~0.offset 1) (select |#length| cstrncpy_~src~0.base)) (<= (select |#length| |cstrncpy_#t~post4.base|) |cstrncpy_#t~post4.offset|)) (<= 2 cstrncpy_~src~0.offset)), 2441#(and (<= 2 cstrncpy_~src~0.offset) (or (= 0 |cstrncpy_#t~mem5|) (<= (+ cstrncpy_~src~0.offset 1) (select |#length| cstrncpy_~src~0.base)))), 2442#(and (<= 2 cstrncpy_~src~0.offset) (<= (+ cstrncpy_~src~0.offset 1) (select |#length| cstrncpy_~src~0.base))), 2443#(and (<= (+ |cstrncpy_#t~post4.offset| 1) (select |#length| |cstrncpy_#t~post4.base|)) (<= 2 |cstrncpy_#t~post4.offset|)), 2428#true, 2429#false, 2430#(= (select |#valid| |main_#t~malloc10.base|) 1), 2431#(= (select |#valid| main_~nondetArea~0.base) 1)] [2018-04-12 19:59:22,287 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 19:59:22,287 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-12 19:59:22,287 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-12 19:59:22,287 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2018-04-12 19:59:22,287 INFO L87 Difference]: Start difference. First operand 112 states and 124 transitions. Second operand 16 states. [2018-04-12 19:59:22,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:22,768 INFO L93 Difference]: Finished difference Result 135 states and 152 transitions. [2018-04-12 19:59:22,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-12 19:59:22,769 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 28 [2018-04-12 19:59:22,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:22,770 INFO L225 Difference]: With dead ends: 135 [2018-04-12 19:59:22,770 INFO L226 Difference]: Without dead ends: 135 [2018-04-12 19:59:22,770 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2018-04-12 19:59:22,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-04-12 19:59:22,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 117. [2018-04-12 19:59:22,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-04-12 19:59:22,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 131 transitions. [2018-04-12 19:59:22,775 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 131 transitions. Word has length 28 [2018-04-12 19:59:22,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:22,776 INFO L459 AbstractCegarLoop]: Abstraction has 117 states and 131 transitions. [2018-04-12 19:59:22,776 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-12 19:59:22,776 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 131 transitions. [2018-04-12 19:59:22,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-12 19:59:22,777 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:22,777 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:22,777 INFO L408 AbstractCegarLoop]: === Iteration 16 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:22,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1902193704, now seen corresponding path program 1 times [2018-04-12 19:59:22,778 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:22,787 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:22,977 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:22,977 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 19:59:22,977 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-12 19:59:22,978 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:22,978 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 19:59:22,978 INFO L182 omatonBuilderFactory]: Interpolants [2720#(and (<= (select |#length| cstrncpy_~dst~0.base) (+ cstrncpy_~dst~0.offset cstrncpy_~n)) (<= (+ cstrncpy_~dst~0.offset cstrncpy_~n) (select |#length| cstrncpy_~dst~0.base)) (<= 1 cstrncpy_~dst~0.offset)), 2721#(and (<= 1 cstrncpy_~us~0.offset) (<= (+ cstrncpy_~us~0.offset cstrncpy_~n2~0) (select |#length| cstrncpy_~us~0.base)) (<= (select |#length| cstrncpy_~us~0.base) (+ cstrncpy_~us~0.offset cstrncpy_~n2~0))), 2722#(and (<= 1 cstrncpy_~us~0.offset) (<= (+ cstrncpy_~us~0.offset cstrncpy_~n2~0 1) (select |#length| cstrncpy_~us~0.base)) (<= (select |#length| cstrncpy_~us~0.base) (+ cstrncpy_~us~0.offset cstrncpy_~n2~0 1))), 2723#(and (<= (select |#length| |cstrncpy_#t~post7.base|) (+ |cstrncpy_#t~post7.offset| cstrncpy_~n2~0 1)) (<= 2 cstrncpy_~us~0.offset) (<= (+ cstrncpy_~us~0.offset cstrncpy_~n2~0) (select |#length| |cstrncpy_#t~post7.base|)) (= |cstrncpy_#t~post7.base| cstrncpy_~us~0.base)), 2724#(and (<= 2 cstrncpy_~us~0.offset) (<= (+ cstrncpy_~us~0.offset cstrncpy_~n2~0) (select |#length| cstrncpy_~us~0.base)) (<= 0 cstrncpy_~n2~0)), 2725#(and (<= 2 cstrncpy_~us~0.offset) (or (<= |cstrncpy_#t~post6| 0) (<= (+ cstrncpy_~us~0.offset |cstrncpy_#t~post6|) (select |#length| cstrncpy_~us~0.base))) (<= 0 |cstrncpy_#t~post6|)), 2726#(and (<= 2 |cstrncpy_#t~post7.offset|) (<= (+ |cstrncpy_#t~post7.offset| 1) (select |#length| |cstrncpy_#t~post7.base|))), 2712#true, 2713#false, 2714#(and (= 0 |main_#t~malloc10.offset|) (= main_~n~0 (select |#length| |main_#t~malloc10.base|)) (= (select |#valid| |main_#t~malloc10.base|) 1)), 2715#(and (= main_~n~0 (select |#length| main_~nondetArea~0.base)) (= (select |#valid| main_~nondetArea~0.base) 1) (= 0 main_~nondetArea~0.offset)), 2716#(and (= main_~n~0 (select |#length| main_~nondetArea~0.base)) (= 0 main_~nondetArea~0.offset)), 2717#(and (<= (select |#length| |cstrncpy_#in~s1.base|) |cstrncpy_#in~n|) (<= |cstrncpy_#in~n| (select |#length| |cstrncpy_#in~s1.base|)) (= 0 |cstrncpy_#in~s1.offset|)), 2718#(and (= 0 cstrncpy_~dst~0.offset) (<= (select |#length| cstrncpy_~dst~0.base) cstrncpy_~n) (<= cstrncpy_~n (select |#length| cstrncpy_~dst~0.base))), 2719#(and (= |cstrncpy_#t~post3.base| cstrncpy_~dst~0.base) (<= (+ |cstrncpy_#t~post3.offset| 1) cstrncpy_~dst~0.offset) (= |cstrncpy_#t~post3.offset| 0) (<= (+ cstrncpy_~dst~0.offset cstrncpy_~n) (+ |cstrncpy_#t~post3.offset| (select |#length| |cstrncpy_#t~post3.base|))) (<= (+ |cstrncpy_#t~post3.offset| (select |#length| |cstrncpy_#t~post3.base|)) (+ cstrncpy_~dst~0.offset cstrncpy_~n)))] [2018-04-12 19:59:22,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:59:22,978 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-12 19:59:22,979 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-12 19:59:22,979 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2018-04-12 19:59:22,979 INFO L87 Difference]: Start difference. First operand 117 states and 131 transitions. Second operand 15 states. [2018-04-12 19:59:23,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:23,362 INFO L93 Difference]: Finished difference Result 124 states and 137 transitions. [2018-04-12 19:59:23,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-12 19:59:23,362 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 29 [2018-04-12 19:59:23,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:23,363 INFO L225 Difference]: With dead ends: 124 [2018-04-12 19:59:23,363 INFO L226 Difference]: Without dead ends: 124 [2018-04-12 19:59:23,364 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=108, Invalid=542, Unknown=0, NotChecked=0, Total=650 [2018-04-12 19:59:23,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-04-12 19:59:23,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 108. [2018-04-12 19:59:23,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-04-12 19:59:23,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 119 transitions. [2018-04-12 19:59:23,367 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 119 transitions. Word has length 29 [2018-04-12 19:59:23,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:23,367 INFO L459 AbstractCegarLoop]: Abstraction has 108 states and 119 transitions. [2018-04-12 19:59:23,367 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-12 19:59:23,367 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 119 transitions. [2018-04-12 19:59:23,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-12 19:59:23,368 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:23,368 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 19:59:23,368 INFO L408 AbstractCegarLoop]: === Iteration 17 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:23,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1749994402, now seen corresponding path program 1 times [2018-04-12 19:59:23,369 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:23,374 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:23,431 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 19:59:23,431 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:59:23,431 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 19:59:23,431 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:23,431 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 19:59:23,431 INFO L182 omatonBuilderFactory]: Interpolants [2981#true, 2982#false, 2983#(= |#valid| |old(#valid)|), 2984#(and (= |old(#valid)| (store |#valid| |main_#t~malloc10.base| 0)) (= (select |#valid| |main_#t~malloc10.base|) 1)), 2985#(and (= (store (store |#valid| |main_#t~malloc11.base| 0) |main_#t~malloc10.base| 0) |old(#valid)|) (not (= |main_#t~malloc10.base| |main_#t~malloc11.base|))), 2986#(= |old(#valid)| (store |#valid| |main_#t~malloc11.base| 0))] [2018-04-12 19:59:23,431 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 19:59:23,432 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 19:59:23,432 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 19:59:23,432 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 19:59:23,432 INFO L87 Difference]: Start difference. First operand 108 states and 119 transitions. Second operand 6 states. [2018-04-12 19:59:23,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:23,499 INFO L93 Difference]: Finished difference Result 107 states and 118 transitions. [2018-04-12 19:59:23,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 19:59:23,499 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-04-12 19:59:23,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:23,499 INFO L225 Difference]: With dead ends: 107 [2018-04-12 19:59:23,499 INFO L226 Difference]: Without dead ends: 34 [2018-04-12 19:59:23,500 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 19:59:23,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-04-12 19:59:23,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-04-12 19:59:23,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-04-12 19:59:23,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2018-04-12 19:59:23,501 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 31 [2018-04-12 19:59:23,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:23,501 INFO L459 AbstractCegarLoop]: Abstraction has 34 states and 34 transitions. [2018-04-12 19:59:23,501 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 19:59:23,501 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2018-04-12 19:59:23,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-12 19:59:23,501 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:59:23,501 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:59:23,501 INFO L408 AbstractCegarLoop]: === Iteration 18 === [cstrncpyErr3RequiresViolation, cstrncpyErr5RequiresViolation, cstrncpyErr4RequiresViolation, cstrncpyErr2RequiresViolation, cstrncpyErr0RequiresViolation, cstrncpyErr1RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 19:59:23,501 INFO L82 PathProgramCache]: Analyzing trace with hash -422117991, now seen corresponding path program 3 times [2018-04-12 19:59:23,502 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:59:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:59:23,513 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:59:23,703 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 19:59:23,703 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 19:59:23,704 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-12 19:59:23,704 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:59:23,704 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 19:59:23,704 INFO L182 omatonBuilderFactory]: Interpolants [3136#(and (= main_~length~0 (select |#length| |main_#t~malloc11.base|)) (= 0 |main_#t~malloc11.offset|) (not (= main_~nondetArea~0.base |main_#t~malloc11.base|))), 3137#(and (= main_~length~0 (select |#length| main_~nondetString~0.base)) (not (= main_~nondetArea~0.base main_~nondetString~0.base)) (= main_~nondetString~0.offset 0)), 3138#(and (not (= main_~nondetArea~0.base main_~nondetString~0.base)) (= main_~nondetString~0.offset 0) (= 0 (select (select |#memory_int| main_~nondetString~0.base) (+ (select |#length| main_~nondetString~0.base) (+ main_~nondetString~0.offset (- 1)))))), 3139#(and (= 0 (select (select |#memory_int| |cstrncpy_#in~s2.base|) (+ (select |#length| |cstrncpy_#in~s2.base|) (- 1)))) (not (= |cstrncpy_#in~s1.base| |cstrncpy_#in~s2.base|))), 3140#(and (not (= cstrncpy_~dst~0.base cstrncpy_~src~0.base)) (= 0 (select (select |#memory_int| cstrncpy_~src~0.base) (+ (select |#length| cstrncpy_~src~0.base) (- 1))))), 3141#(and (not (= |cstrncpy_#t~post4.base| |cstrncpy_#t~post3.base|)) (not (= cstrncpy_~src~0.base cstrncpy_~dst~0.base)) (= 0 (select (select |#memory_int| |cstrncpy_#t~post4.base|) (+ (select |#length| |cstrncpy_#t~post4.base|) (- 1)))) (= |cstrncpy_#t~post4.base| cstrncpy_~src~0.base)), 3142#(and (not (= cstrncpy_~src~0.base cstrncpy_~dst~0.base)) (not (= |cstrncpy_#t~post3.base| cstrncpy_~src~0.base)) (= 0 (select (select |#memory_int| cstrncpy_~src~0.base) (+ (select |#length| cstrncpy_~src~0.base) (- 1))))), 3143#(and (not (= |cstrncpy_#t~post4.base| |cstrncpy_#t~post3.base|)) (= 0 (select (select |#memory_int| |cstrncpy_#t~post4.base|) (+ (select |#length| cstrncpy_~src~0.base) (- 1)))) (= |cstrncpy_#t~post4.base| cstrncpy_~src~0.base)), 3144#(and (not (= |cstrncpy_#t~post3.base| cstrncpy_~src~0.base)) (= 0 (select (select |#memory_int| cstrncpy_~src~0.base) (+ (select |#length| cstrncpy_~src~0.base) (- 1))))), 3145#(= 0 (select (select |#memory_int| cstrncpy_~src~0.base) (+ (select |#length| cstrncpy_~src~0.base) (- 1)))), 3146#(or (and (or (<= (+ cstrncpy_~src~0.offset 1) (select |#length| cstrncpy_~src~0.base)) (<= (select |#length| |cstrncpy_#t~post4.base|) |cstrncpy_#t~post4.offset|)) (<= (+ |cstrncpy_#t~post4.offset| 1) cstrncpy_~src~0.offset)) (= 0 (select (select |#memory_int| |cstrncpy_#t~post4.base|) |cstrncpy_#t~post4.offset|))), 3147#(or (= 0 |cstrncpy_#t~mem5|) (and (<= (+ cstrncpy_~src~0.offset 1) (select |#length| cstrncpy_~src~0.base)) (<= 1 cstrncpy_~src~0.offset))), 3148#(and (<= (+ cstrncpy_~src~0.offset 1) (select |#length| cstrncpy_~src~0.base)) (<= 1 cstrncpy_~src~0.offset)), 3149#(and (<= (+ |cstrncpy_#t~post4.offset| 1) (select |#length| |cstrncpy_#t~post4.base|)) (<= 1 |cstrncpy_#t~post4.offset|)), 3132#true, 3133#false, 3134#(= (select |#valid| |main_#t~malloc10.base|) 1), 3135#(= (select |#valid| main_~nondetArea~0.base) 1)] [2018-04-12 19:59:23,704 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 19:59:23,704 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-12 19:59:23,704 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-12 19:59:23,705 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2018-04-12 19:59:23,705 INFO L87 Difference]: Start difference. First operand 34 states and 34 transitions. Second operand 18 states. [2018-04-12 19:59:23,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:59:23,969 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2018-04-12 19:59:23,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-12 19:59:23,969 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 33 [2018-04-12 19:59:23,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:59:23,969 INFO L225 Difference]: With dead ends: 33 [2018-04-12 19:59:23,969 INFO L226 Difference]: Without dead ends: 0 [2018-04-12 19:59:23,970 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=143, Invalid=669, Unknown=0, NotChecked=0, Total=812 [2018-04-12 19:59:23,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-12 19:59:23,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-12 19:59:23,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-12 19:59:23,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-12 19:59:23,970 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-04-12 19:59:23,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:59:23,971 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-12 19:59:23,971 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-12 19:59:23,971 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-12 19:59:23,971 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-12 19:59:23,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 07:59:23 BoogieIcfgContainer [2018-04-12 19:59:23,974 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 19:59:23,974 INFO L168 Benchmark]: Toolchain (without parser) took 5239.55 ms. Allocated memory was 406.8 MB in the beginning and 720.9 MB in the end (delta: 314.0 MB). Free memory was 343.3 MB in the beginning and 488.4 MB in the end (delta: -145.2 MB). Peak memory consumption was 168.9 MB. Max. memory is 5.3 GB. [2018-04-12 19:59:23,975 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 406.8 MB. Free memory is still 368.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 19:59:23,975 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.63 ms. Allocated memory is still 406.8 MB. Free memory was 343.3 MB in the beginning and 318.2 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. [2018-04-12 19:59:23,976 INFO L168 Benchmark]: Boogie Preprocessor took 40.77 ms. Allocated memory is still 406.8 MB. Free memory was 318.2 MB in the beginning and 316.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-04-12 19:59:23,976 INFO L168 Benchmark]: RCFGBuilder took 374.13 ms. Allocated memory was 406.8 MB in the beginning and 617.1 MB in the end (delta: 210.2 MB). Free memory was 315.5 MB in the beginning and 551.9 MB in the end (delta: -236.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 5.3 GB. [2018-04-12 19:59:23,976 INFO L168 Benchmark]: TraceAbstraction took 4576.93 ms. Allocated memory was 617.1 MB in the beginning and 720.9 MB in the end (delta: 103.8 MB). Free memory was 551.9 MB in the beginning and 488.4 MB in the end (delta: 63.4 MB). Peak memory consumption was 167.2 MB. Max. memory is 5.3 GB. [2018-04-12 19:59:23,978 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 406.8 MB. Free memory is still 368.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 244.63 ms. Allocated memory is still 406.8 MB. Free memory was 343.3 MB in the beginning and 318.2 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 40.77 ms. Allocated memory is still 406.8 MB. Free memory was 318.2 MB in the beginning and 316.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 374.13 ms. Allocated memory was 406.8 MB in the beginning and 617.1 MB in the end (delta: 210.2 MB). Free memory was 315.5 MB in the beginning and 551.9 MB in the end (delta: -236.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 4576.93 ms. Allocated memory was 617.1 MB in the beginning and 720.9 MB in the end (delta: 103.8 MB). Free memory was 551.9 MB in the beginning and 488.4 MB in the end (delta: 63.4 MB). Peak memory consumption was 167.2 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: 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: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 569]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 558]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 569]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 52 locations, 9 error locations. SAFE Result, 4.5s OverallTime, 18 OverallIterations, 4 TraceHistogramMax, 2.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 610 SDtfs, 709 SDslu, 2733 SDs, 0 SdLazy, 1993 SolverSat, 178 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 235 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 209 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 10/54 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, 18 MinimizatonAttempts, 153 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 412 NumberOfCodeBlocks, 412 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 394 ConstructedInterpolants, 0 QuantifiedInterpolants, 64995 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 13 PerfectInterpolantSequences, 10/54 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/cstrncpy-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_19-59-23-985.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrncpy-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_19-59-23-985.csv Received shutdown request...