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/count_down-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-12 19:45:47,577 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 19:45:47,578 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 19:45:47,591 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 19:45:47,591 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 19:45:47,592 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 19:45:47,592 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 19:45:47,594 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 19:45:47,595 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 19:45:47,596 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 19:45:47,597 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 19:45:47,597 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 19:45:47,598 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 19:45:47,599 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 19:45:47,599 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 19:45:47,601 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 19:45:47,602 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 19:45:47,604 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 19:45:47,605 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 19:45:47,606 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 19:45:47,607 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-12 19:45:47,612 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 19:45:47,622 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 19:45:47,622 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 19:45:47,623 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 19:45:47,623 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 19:45:47,623 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 19:45:47,624 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 19:45:47,624 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 19:45:47,624 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 19:45:47,624 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 19:45:47,624 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 19:45:47,624 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 19:45:47,624 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 19:45:47,625 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 19:45:47,625 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 19:45:47,625 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 19:45:47,625 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 19:45:47,625 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 19:45:47,625 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 19:45:47,625 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 19:45:47,626 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 19:45:47,626 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 19:45:47,626 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 19:45:47,653 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 19:45:47,662 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 19:45:47,665 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 19:45:47,666 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 19:45:47,666 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 19:45:47,666 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,028 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG3cea83c9b [2018-04-12 19:45:48,150 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 19:45:48,150 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 19:45:48,150 INFO L168 CDTParser]: Scanning count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,158 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 19:45:48,158 INFO L215 ultiparseSymbolTable]: [2018-04-12 19:45:48,158 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 19:45:48,158 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,158 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,158 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,159 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 19:45:48,159 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__time_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,159 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,159 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____suseconds_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,159 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____uint32_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,159 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____int32_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,159 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__div_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,159 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,159 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__fd_set in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,160 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__lldiv_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,160 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,160 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____u_short in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,160 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____rlim_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,160 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,160 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__int16_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,160 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__mode_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,160 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__uid_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,160 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____dev_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,160 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__key_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,161 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____time_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,161 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____timer_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,161 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__u_quad_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,161 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____u_char in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,161 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____off64_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,161 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,161 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____id_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,161 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__u_int in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,161 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__u_int64_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,161 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____rlim64_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,161 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____blksize_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,161 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__int8_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,161 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,161 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____qaddr_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,162 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,162 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____nlink_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,162 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,162 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,162 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__ldiv_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,162 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__int32_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,162 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__u_int32_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,162 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__ino_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,162 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,162 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,162 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__register_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,163 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____ssize_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,163 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__timer_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,163 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,163 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____uid_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,163 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,163 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____off_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,163 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__fd_mask in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,163 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____uint64_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,163 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__ssize_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,163 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____fsword_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,163 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__nlink_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,163 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__sigset_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,163 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__uint in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,163 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__id_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,163 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____ino64_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,164 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____uint8_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,164 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____key_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,164 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____u_int in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,164 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__u_int8_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,164 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__u_int16_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,164 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,164 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__dev_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,164 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____clock_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,164 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__wchar_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,164 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,165 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,165 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____loff_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,165 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__fsid_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,165 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__quad_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,165 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____useconds_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,165 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____fd_mask in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,165 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__clockid_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,165 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____clockid_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,165 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__suseconds_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,165 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,165 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,165 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,166 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,166 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,166 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____gid_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,166 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____int64_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,166 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__ushort in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,166 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__pthread_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,166 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____u_quad_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,166 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____quad_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,166 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,166 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__int64_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,166 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____uint16_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__loff_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____daddr_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____pid_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____int16_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__u_short in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__u_char in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__off_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__ulong in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__gid_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____u_long in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____socklen_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__clock_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__pid_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__daddr_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____int8_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____caddr_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__size_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__u_long in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,169 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____intptr_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,169 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____fsid_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,169 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____mode_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,169 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__blksize_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,169 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,169 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i__caddr_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,169 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____ino_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,169 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____sigset_t in count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,183 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG3cea83c9b [2018-04-12 19:45:48,186 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 19:45:48,187 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 19:45:48,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 19:45:48,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 19:45:48,191 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 19:45:48,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 07:45:48" (1/1) ... [2018-04-12 19:45:48,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74bb1934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:48, skipping insertion in model container [2018-04-12 19:45:48,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 07:45:48" (1/1) ... [2018-04-12 19:45:48,205 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 19:45:48,227 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 19:45:48,350 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 19:45:48,388 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 19:45:48,394 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 111 non ball SCCs. Number of states in SCCs 111. [2018-04-12 19:45:48,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:48 WrapperNode [2018-04-12 19:45:48,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 19:45:48,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 19:45:48,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 19:45:48,424 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 19:45:48,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:48" (1/1) ... [2018-04-12 19:45:48,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:48" (1/1) ... [2018-04-12 19:45:48,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:48" (1/1) ... [2018-04-12 19:45:48,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:48" (1/1) ... [2018-04-12 19:45:48,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:48" (1/1) ... [2018-04-12 19:45:48,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:48" (1/1) ... [2018-04-12 19:45:48,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:48" (1/1) ... [2018-04-12 19:45:48,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 19:45:48,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 19:45:48,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 19:45:48,462 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 19:45:48,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:48" (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 19:45:48,556 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 19:45:48,557 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 19:45:48,557 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 19:45:48,557 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 19:45:48,557 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 19:45:48,557 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 19:45:48,557 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcount_down_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 19:45:48,557 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 19:45:48,557 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 19:45:48,557 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 19:45:48,557 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 19:45:48,557 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 19:45:48,557 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 19:45:48,557 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 19:45:48,557 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 19:45:48,557 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 19:45:48,558 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 19:45:48,558 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 19:45:48,558 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 19:45:48,558 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 19:45:48,558 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 19:45:48,558 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 19:45:48,558 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 19:45:48,558 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 19:45:48,558 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 19:45:48,558 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 19:45:48,558 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 19:45:48,558 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 19:45:48,558 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 19:45:48,558 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 19:45:48,558 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 19:45:48,558 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 19:45:48,558 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 19:45:48,559 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 19:45:48,559 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 19:45:48,559 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 19:45:48,559 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 19:45:48,559 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 19:45:48,559 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 19:45:48,559 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 19:45:48,559 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 19:45:48,559 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 19:45:48,559 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 19:45:48,559 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 19:45:48,559 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 19:45:48,560 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 19:45:48,560 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 19:45:48,560 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 19:45:48,560 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 19:45:48,560 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 19:45:48,560 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 19:45:48,560 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 19:45:48,560 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 19:45:48,560 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 19:45:48,560 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 19:45:48,561 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 19:45:48,561 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 19:45:48,561 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 19:45:48,561 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 19:45:48,561 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 19:45:48,561 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 19:45:48,561 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 19:45:48,561 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 19:45:48,561 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 19:45:48,561 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 19:45:48,562 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 19:45:48,562 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 19:45:48,562 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 19:45:48,562 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 19:45:48,562 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 19:45:48,562 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 19:45:48,562 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 19:45:48,562 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 19:45:48,562 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 19:45:48,562 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 19:45:48,562 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 19:45:48,562 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 19:45:48,563 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 19:45:48,563 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 19:45:48,563 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 19:45:48,563 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 19:45:48,563 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 19:45:48,563 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 19:45:48,563 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 19:45:48,563 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 19:45:48,563 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 19:45:48,563 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 19:45:48,563 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 19:45:48,563 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 19:45:48,563 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 19:45:48,563 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 19:45:48,563 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 19:45:48,563 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 19:45:48,564 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 19:45:48,564 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 19:45:48,564 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 19:45:48,564 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 19:45:48,564 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 19:45:48,564 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 19:45:48,564 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 19:45:48,564 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 19:45:48,564 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 19:45:48,564 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 19:45:48,565 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 19:45:48,565 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 19:45:48,565 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 19:45:48,565 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 19:45:48,565 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 19:45:48,565 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 19:45:48,565 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 19:45:48,565 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 19:45:48,565 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 19:45:48,565 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 19:45:48,565 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 19:45:48,566 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 19:45:48,566 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 19:45:48,838 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 19:45:48,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 07:45:48 BoogieIcfgContainer [2018-04-12 19:45:48,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 19:45:48,839 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 19:45:48,839 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 19:45:48,841 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 19:45:48,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 07:45:48" (1/3) ... [2018-04-12 19:45:48,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@384a9a7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 07:45:48, skipping insertion in model container [2018-04-12 19:45:48,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:45:48" (2/3) ... [2018-04-12 19:45:48,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@384a9a7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 07:45:48, skipping insertion in model container [2018-04-12 19:45:48,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 07:45:48" (3/3) ... [2018-04-12 19:45:48,843 INFO L107 eAbstractionObserver]: Analyzing ICFG count_down-alloca_true-valid-memsafety_true-termination.i [2018-04-12 19:45:48,848 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-12 19:45:48,853 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-04-12 19:45:48,876 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 19:45:48,876 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 19:45:48,877 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 19:45:48,877 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-12 19:45:48,877 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-12 19:45:48,877 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 19:45:48,877 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 19:45:48,877 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 19:45:48,877 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 19:45:48,877 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 19:45:48,885 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2018-04-12 19:45:48,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-12 19:45:48,893 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:45:48,894 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:45:48,894 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-12 19:45:48,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1144696003, now seen corresponding path program 1 times [2018-04-12 19:45:48,936 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:45:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:45:48,966 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:45:49,021 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 19:45:49,023 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:45:49,023 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 19:45:49,023 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:45:49,024 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 19:45:49,024 INFO L182 omatonBuilderFactory]: Interpolants [48#false, 49#(not (= 0 |main_#t~malloc3.base|)), 50#(not (= 0 main_~arr~0.base)), 47#true] [2018-04-12 19:45:49,024 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 19:45:49,025 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 19:45:49,033 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 19:45:49,033 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 19:45:49,035 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 4 states. [2018-04-12 19:45:49,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:45:49,083 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2018-04-12 19:45:49,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 19:45:49,084 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-12 19:45:49,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:45:49,095 INFO L225 Difference]: With dead ends: 42 [2018-04-12 19:45:49,095 INFO L226 Difference]: Without dead ends: 39 [2018-04-12 19:45:49,096 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 19:45:49,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-04-12 19:45:49,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-04-12 19:45:49,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-04-12 19:45:49,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2018-04-12 19:45:49,118 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 13 [2018-04-12 19:45:49,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:45:49,118 INFO L459 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2018-04-12 19:45:49,118 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 19:45:49,118 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2018-04-12 19:45:49,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 19:45:49,119 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:45:49,119 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:45:49,119 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-12 19:45:49,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1128795007, now seen corresponding path program 1 times [2018-04-12 19:45:49,120 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:45:49,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:45:49,131 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:45:49,155 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 19:45:49,156 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:45:49,156 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 19:45:49,156 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:45:49,156 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 19:45:49,156 INFO L182 omatonBuilderFactory]: Interpolants [134#true, 135#false, 136#(= 1 (select |#valid| |main_#t~malloc3.base|)), 137#(= 1 (select |#valid| main_~arr~0.base))] [2018-04-12 19:45:49,157 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 19:45:49,158 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 19:45:49,158 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 19:45:49,158 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 19:45:49,158 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 4 states. [2018-04-12 19:45:49,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:45:49,189 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2018-04-12 19:45:49,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 19:45:49,189 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-12 19:45:49,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:45:49,190 INFO L225 Difference]: With dead ends: 35 [2018-04-12 19:45:49,190 INFO L226 Difference]: Without dead ends: 35 [2018-04-12 19:45:49,191 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 19:45:49,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-04-12 19:45:49,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-04-12 19:45:49,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-04-12 19:45:49,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2018-04-12 19:45:49,194 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 14 [2018-04-12 19:45:49,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:45:49,194 INFO L459 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2018-04-12 19:45:49,194 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 19:45:49,194 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2018-04-12 19:45:49,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 19:45:49,195 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:45:49,195 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:45:49,195 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-12 19:45:49,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1128795008, now seen corresponding path program 1 times [2018-04-12 19:45:49,196 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:45:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:45:49,207 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:45:49,293 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 19:45:49,294 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:45:49,294 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-12 19:45:49,294 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:45:49,294 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 19:45:49,294 INFO L182 omatonBuilderFactory]: Interpolants [210#true, 211#false, 212#(<= 1 main_~length~0), 213#(and (= (* 4 main_~length~0) (select |#length| |main_#t~malloc3.base|)) (= 0 |main_#t~malloc3.offset|) (<= 1 main_~length~0)), 214#(and (= (* 4 main_~length~0) (select |#length| main_~arr~0.base)) (= main_~arr~0.offset 0) (<= 1 main_~length~0)), 215#(and (= (* 4 main_~length~0) (select |#length| main_~arr~0.base)) (= main_~arr~0.offset 0) (<= 1 main_~length~0) (= main_~i~0 0)), 216#(and (<= 4 (select |#length| main_~arr~0.base)) (= main_~arr~0.offset 0) (= main_~i~0 0))] [2018-04-12 19:45:49,294 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 19:45:49,294 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-12 19:45:49,295 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-12 19:45:49,295 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-04-12 19:45:49,295 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand 7 states. [2018-04-12 19:45:49,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:45:49,372 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2018-04-12 19:45:49,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-12 19:45:49,372 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-04-12 19:45:49,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:45:49,373 INFO L225 Difference]: With dead ends: 40 [2018-04-12 19:45:49,373 INFO L226 Difference]: Without dead ends: 40 [2018-04-12 19:45:49,373 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2018-04-12 19:45:49,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-04-12 19:45:49,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2018-04-12 19:45:49,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-04-12 19:45:49,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2018-04-12 19:45:49,376 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 14 [2018-04-12 19:45:49,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:45:49,376 INFO L459 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2018-04-12 19:45:49,376 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-12 19:45:49,376 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2018-04-12 19:45:49,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-12 19:45:49,376 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:45:49,377 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:45:49,377 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-12 19:45:49,377 INFO L82 PathProgramCache]: Analyzing trace with hash 675838261, now seen corresponding path program 1 times [2018-04-12 19:45:49,377 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:45:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:45:49,388 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:45:49,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:49,422 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 19:45:49,422 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-04-12 19:45:49,422 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:45:49,423 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 19:45:49,423 INFO L182 omatonBuilderFactory]: Interpolants [304#(<= main_~length~0 main_~i~0), 300#true, 301#false, 302#(<= main_~length~0 1), 303#(and (<= main_~length~0 1) (= main_~i~0 0))] [2018-04-12 19:45:49,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:49,423 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 19:45:49,423 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 19:45:49,423 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-04-12 19:45:49,424 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand 5 states. [2018-04-12 19:45:49,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:45:49,464 INFO L93 Difference]: Finished difference Result 68 states and 75 transitions. [2018-04-12 19:45:49,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 19:45:49,465 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-04-12 19:45:49,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:45:49,465 INFO L225 Difference]: With dead ends: 68 [2018-04-12 19:45:49,466 INFO L226 Difference]: Without dead ends: 68 [2018-04-12 19:45:49,466 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-04-12 19:45:49,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-04-12 19:45:49,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 49. [2018-04-12 19:45:49,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-12 19:45:49,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2018-04-12 19:45:49,469 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 19 [2018-04-12 19:45:49,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:45:49,469 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2018-04-12 19:45:49,469 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 19:45:49,469 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2018-04-12 19:45:49,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-12 19:45:49,470 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:45:49,470 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:45:49,470 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-12 19:45:49,470 INFO L82 PathProgramCache]: Analyzing trace with hash 89032247, now seen corresponding path program 1 times [2018-04-12 19:45:49,471 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:45:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:45:49,482 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:45:49,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:49,580 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 19:45:49,581 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-04-12 19:45:49,581 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:45:49,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:49,581 INFO L182 omatonBuilderFactory]: Interpolants [424#true, 425#false, 426#(and (= (* 4 main_~length~0) (select |#length| |main_#t~malloc3.base|)) (= 0 |main_#t~malloc3.offset|)), 427#(and (= 0 main_~arr~0.offset) (= (* 4 main_~length~0) (select |#length| main_~arr~0.base))), 428#(and (<= 0 (+ main_~arr~0.offset (* 4 main_~i~0))) (= (* 4 main_~length~0) (select |#length| main_~arr~0.base)) (= main_~arr~0.offset 0)), 429#(and (= (* 4 main_~length~0) (select |#length| main_~arr~0.base)) (<= 4 (+ main_~arr~0.offset (* 4 main_~i~0))) (= main_~arr~0.offset 0)), 430#(and (<= 4 (+ main_~arr~0.offset (* 4 main_~i~0))) (<= (+ (* 4 main_~i~0) 4) (select |#length| main_~arr~0.base)) (= main_~arr~0.offset 0))] [2018-04-12 19:45:49,581 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:49,581 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-12 19:45:49,581 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-12 19:45:49,582 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-04-12 19:45:49,582 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand 7 states. [2018-04-12 19:45:49,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:45:49,686 INFO L93 Difference]: Finished difference Result 49 states and 55 transitions. [2018-04-12 19:45:49,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 19:45:49,687 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-04-12 19:45:49,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:45:49,687 INFO L225 Difference]: With dead ends: 49 [2018-04-12 19:45:49,687 INFO L226 Difference]: Without dead ends: 49 [2018-04-12 19:45:49,687 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2018-04-12 19:45:49,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-04-12 19:45:49,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 46. [2018-04-12 19:45:49,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-04-12 19:45:49,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2018-04-12 19:45:49,690 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 19 [2018-04-12 19:45:49,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:45:49,690 INFO L459 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2018-04-12 19:45:49,690 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-12 19:45:49,690 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2018-04-12 19:45:49,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-12 19:45:49,690 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:45:49,690 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] [2018-04-12 19:45:49,691 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-12 19:45:49,691 INFO L82 PathProgramCache]: Analyzing trace with hash -954875576, now seen corresponding path program 1 times [2018-04-12 19:45:49,691 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:45:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:45:49,697 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:45:49,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:49,758 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 19:45:49,758 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-04-12 19:45:49,758 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:45:49,758 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 19:45:49,758 INFO L182 omatonBuilderFactory]: Interpolants [534#true, 535#false, 536#(and (<= main_~length~0 1) (<= 1 main_~length~0)), 537#(and (<= 1 main_~length~0) (<= main_~i~0 0)), 538#(and (<= (+ main_~arr~0.offset (* 4 main_~i~0) 8) (+ (select |#length| main_~arr~0.base) (* 4 main_~length~0))) (<= 0 main_~arr~0.offset)), 539#(and (<= 0 main_~arr~0.offset) (<= (+ main_~arr~0.offset (* 4 main_~i~0) 4) (+ (select |#length| main_~arr~0.base) (* 4 main_~length~0)))), 540#(and (<= 0 main_~arr~0.offset) (<= (+ main_~arr~0.offset 4) (select |#length| main_~arr~0.base))), 541#(and (= main_~j~0 0) (<= 0 main_~arr~0.offset) (<= (+ main_~arr~0.offset 4) (select |#length| main_~arr~0.base)))] [2018-04-12 19:45:49,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:49,759 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 19:45:49,759 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 19:45:49,759 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-12 19:45:49,759 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. Second operand 8 states. [2018-04-12 19:45:49,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:45:49,875 INFO L93 Difference]: Finished difference Result 75 states and 82 transitions. [2018-04-12 19:45:49,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 19:45:49,875 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2018-04-12 19:45:49,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:45:49,876 INFO L225 Difference]: With dead ends: 75 [2018-04-12 19:45:49,876 INFO L226 Difference]: Without dead ends: 75 [2018-04-12 19:45:49,876 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2018-04-12 19:45:49,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-04-12 19:45:49,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 56. [2018-04-12 19:45:49,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-04-12 19:45:49,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 62 transitions. [2018-04-12 19:45:49,880 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 62 transitions. Word has length 22 [2018-04-12 19:45:49,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:45:49,880 INFO L459 AbstractCegarLoop]: Abstraction has 56 states and 62 transitions. [2018-04-12 19:45:49,880 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 19:45:49,880 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 62 transitions. [2018-04-12 19:45:49,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-12 19:45:49,881 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:45:49,881 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] [2018-04-12 19:45:49,881 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-12 19:45:49,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1975943930, now seen corresponding path program 1 times [2018-04-12 19:45:49,882 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:45:49,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:45:49,891 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:45:49,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:49,961 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:45:49,961 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-12 19:45:49,961 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:45:49,961 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 19:45:49,961 INFO L182 omatonBuilderFactory]: Interpolants [688#(and (= main_~arr~0.offset 0) (<= (+ main_~arr~0.offset (* 4 main_~i~0)) (select |#length| main_~arr~0.base))), 689#(and (<= (+ main_~arr~0.offset (* 4 main_~length~0)) (select |#length| main_~arr~0.base)) (= main_~arr~0.offset 0)), 690#(and (<= (+ main_~arr~0.offset (* 4 main_~length~0)) (select |#length| main_~arr~0.base)) (= main_~j~0 0) (= main_~arr~0.offset 0)), 691#(and (<= (+ main_~arr~0.offset (* 4 main_~j~0) 4) (select |#length| main_~arr~0.base)) (= main_~j~0 0) (= main_~arr~0.offset 0)), 683#true, 684#false, 685#(= 0 |main_#t~malloc3.offset|), 686#(= main_~arr~0.offset 0), 687#(and (<= (+ main_~arr~0.offset (* 4 main_~i~0) 4) (select |#length| main_~arr~0.base)) (= main_~arr~0.offset 0))] [2018-04-12 19:45:49,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:49,961 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 19:45:49,962 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 19:45:49,962 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-04-12 19:45:49,962 INFO L87 Difference]: Start difference. First operand 56 states and 62 transitions. Second operand 9 states. [2018-04-12 19:45:50,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:45:50,136 INFO L93 Difference]: Finished difference Result 73 states and 81 transitions. [2018-04-12 19:45:50,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-12 19:45:50,137 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-04-12 19:45:50,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:45:50,137 INFO L225 Difference]: With dead ends: 73 [2018-04-12 19:45:50,138 INFO L226 Difference]: Without dead ends: 73 [2018-04-12 19:45:50,138 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2018-04-12 19:45:50,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-04-12 19:45:50,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 58. [2018-04-12 19:45:50,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-04-12 19:45:50,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 65 transitions. [2018-04-12 19:45:50,141 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 65 transitions. Word has length 22 [2018-04-12 19:45:50,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:45:50,142 INFO L459 AbstractCegarLoop]: Abstraction has 58 states and 65 transitions. [2018-04-12 19:45:50,142 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 19:45:50,142 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2018-04-12 19:45:50,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-12 19:45:50,142 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:45:50,142 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] [2018-04-12 19:45:50,142 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-12 19:45:50,143 INFO L82 PathProgramCache]: Analyzing trace with hash -507650333, now seen corresponding path program 1 times [2018-04-12 19:45:50,143 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:45:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:45:50,150 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:45:50,169 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 19:45:50,169 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:45:50,170 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 19:45:50,170 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:45:50,170 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 19:45:50,170 INFO L182 omatonBuilderFactory]: Interpolants [839#true, 840#false, 841#(<= 1 main_~length~0), 842#(and (= main_~j~0 0) (<= 1 main_~length~0))] [2018-04-12 19:45:50,170 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 19:45:50,170 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 19:45:50,171 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 19:45:50,171 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-12 19:45:50,171 INFO L87 Difference]: Start difference. First operand 58 states and 65 transitions. Second operand 4 states. [2018-04-12 19:45:50,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:45:50,193 INFO L93 Difference]: Finished difference Result 59 states and 65 transitions. [2018-04-12 19:45:50,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 19:45:50,193 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2018-04-12 19:45:50,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:45:50,194 INFO L225 Difference]: With dead ends: 59 [2018-04-12 19:45:50,194 INFO L226 Difference]: Without dead ends: 59 [2018-04-12 19:45:50,194 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-12 19:45:50,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-04-12 19:45:50,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 55. [2018-04-12 19:45:50,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-12 19:45:50,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 61 transitions. [2018-04-12 19:45:50,197 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 61 transitions. Word has length 24 [2018-04-12 19:45:50,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:45:50,198 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 61 transitions. [2018-04-12 19:45:50,198 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 19:45:50,198 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 61 transitions. [2018-04-12 19:45:50,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-12 19:45:50,198 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:45:50,201 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:45:50,202 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-12 19:45:50,202 INFO L82 PathProgramCache]: Analyzing trace with hash -561175107, now seen corresponding path program 1 times [2018-04-12 19:45:50,202 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:45:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:45:50,210 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:45:50,311 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:50,311 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 19:45:50,312 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-04-12 19:45:50,312 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:45:50,312 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 19:45:50,312 INFO L182 omatonBuilderFactory]: Interpolants [960#(and (<= main_~length~0 1) (= (* 4 main_~length~0) (select |#length| |main_#t~malloc3.base|))), 961#(and (<= main_~length~0 1) (= (* 4 main_~length~0) (select |#length| main_~arr~0.base))), 962#(and (= (* 4 main_~length~0) (select |#length| main_~arr~0.base)) (<= (+ main_~arr~0.offset (* 4 main_~i~0) (* 4 main_~length~0)) (select |#length| main_~arr~0.base))), 963#(and (<= (+ main_~arr~0.offset (* 4 main_~i~0) (* 4 main_~length~0)) (+ (select |#length| main_~arr~0.base) 4)) (= (* 4 main_~length~0) (select |#length| main_~arr~0.base))), 964#(and (<= (+ main_~arr~0.offset (* 8 main_~length~0)) (+ (select |#length| main_~arr~0.base) 4)) (= (* 4 main_~length~0) (select |#length| main_~arr~0.base))), 965#(and (<= (* 8 main_~length~0) (+ (* 4 main_~j~0) (select |#length| main_~arr~0.base) 4)) (= (* 4 main_~length~0) (select |#length| main_~arr~0.base))), 966#(and (<= (* 8 main_~length~0) (+ (* 4 main_~j~0) (select |#length| main_~arr~0.base))) (= (* 4 main_~length~0) (select |#length| main_~arr~0.base))), 957#true, 958#false, 959#(<= main_~length~0 1)] [2018-04-12 19:45:50,312 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:50,312 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-12 19:45:50,312 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-12 19:45:50,312 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-04-12 19:45:50,312 INFO L87 Difference]: Start difference. First operand 55 states and 61 transitions. Second operand 10 states. [2018-04-12 19:45:50,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:45:50,510 INFO L93 Difference]: Finished difference Result 73 states and 79 transitions. [2018-04-12 19:45:50,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-12 19:45:50,510 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 28 [2018-04-12 19:45:50,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:45:50,511 INFO L225 Difference]: With dead ends: 73 [2018-04-12 19:45:50,511 INFO L226 Difference]: Without dead ends: 73 [2018-04-12 19:45:50,511 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2018-04-12 19:45:50,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-04-12 19:45:50,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 68. [2018-04-12 19:45:50,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-04-12 19:45:50,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions. [2018-04-12 19:45:50,515 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 75 transitions. Word has length 28 [2018-04-12 19:45:50,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:45:50,515 INFO L459 AbstractCegarLoop]: Abstraction has 68 states and 75 transitions. [2018-04-12 19:45:50,515 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-12 19:45:50,515 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2018-04-12 19:45:50,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-12 19:45:50,516 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:45:50,516 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:45:50,516 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-12 19:45:50,516 INFO L82 PathProgramCache]: Analyzing trace with hash -342320389, now seen corresponding path program 1 times [2018-04-12 19:45:50,517 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:45:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:45:50,524 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:45:50,651 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:50,652 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 19:45:50,652 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-04-12 19:45:50,652 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:45:50,652 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 19:45:50,652 INFO L182 omatonBuilderFactory]: Interpolants [1122#true, 1123#false, 1124#(= (* 4 main_~length~0) (select |#length| |main_#t~malloc3.base|)), 1125#(= (* 4 main_~length~0) (select |#length| main_~arr~0.base)), 1126#(and (= (* 4 main_~length~0) (select |#length| main_~arr~0.base)) (= main_~i~0 0)), 1127#(and (= (* 4 main_~length~0) (select |#length| main_~arr~0.base)) (<= (+ main_~arr~0.offset (* 4 main_~i~0) 4) (select |#length| main_~arr~0.base)) (= main_~i~0 0)), 1128#(and (= (* 4 main_~length~0) (select |#length| main_~arr~0.base)) (<= (+ main_~arr~0.offset (* 8 main_~i~0)) (+ (select |#length| main_~arr~0.base) 4))), 1129#(and (<= (+ main_~arr~0.offset (* 8 main_~length~0)) (+ (select |#length| main_~arr~0.base) 4)) (= (* 4 main_~length~0) (select |#length| main_~arr~0.base))), 1130#(and (<= (* 8 main_~length~0) (+ (* 4 main_~j~0) (select |#length| main_~arr~0.base) 4)) (= (* 4 main_~length~0) (select |#length| main_~arr~0.base))), 1131#(and (<= (* 8 main_~length~0) (+ (* 4 main_~j~0) (select |#length| main_~arr~0.base))) (= (* 4 main_~length~0) (select |#length| main_~arr~0.base)))] [2018-04-12 19:45:50,653 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 19:45:50,653 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-12 19:45:50,653 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-12 19:45:50,653 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-04-12 19:45:50,653 INFO L87 Difference]: Start difference. First operand 68 states and 75 transitions. Second operand 10 states. [2018-04-12 19:45:50,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:45:50,861 INFO L93 Difference]: Finished difference Result 98 states and 108 transitions. [2018-04-12 19:45:50,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 19:45:50,861 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 28 [2018-04-12 19:45:50,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:45:50,862 INFO L225 Difference]: With dead ends: 98 [2018-04-12 19:45:50,862 INFO L226 Difference]: Without dead ends: 98 [2018-04-12 19:45:50,862 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2018-04-12 19:45:50,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-04-12 19:45:50,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 73. [2018-04-12 19:45:50,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-04-12 19:45:50,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 82 transitions. [2018-04-12 19:45:50,865 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 82 transitions. Word has length 28 [2018-04-12 19:45:50,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:45:50,865 INFO L459 AbstractCegarLoop]: Abstraction has 73 states and 82 transitions. [2018-04-12 19:45:50,865 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-12 19:45:50,865 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2018-04-12 19:45:50,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-12 19:45:50,866 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:45:50,866 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, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:45:50,866 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-12 19:45:50,866 INFO L82 PathProgramCache]: Analyzing trace with hash 1875523034, now seen corresponding path program 1 times [2018-04-12 19:45:50,866 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:45:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:45:50,874 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:45:50,909 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-12 19:45:50,909 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 19:45:50,909 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 19:45:50,910 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:45:50,910 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 19:45:50,910 INFO L182 omatonBuilderFactory]: Interpolants [1321#true, 1322#false, 1323#(= |#valid| |old(#valid)|), 1324#(= |old(#valid)| (store |#valid| |main_#t~malloc3.base| 0))] [2018-04-12 19:45:50,910 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-12 19:45:50,910 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 19:45:50,911 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 19:45:50,911 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 19:45:50,911 INFO L87 Difference]: Start difference. First operand 73 states and 82 transitions. Second operand 4 states. [2018-04-12 19:45:50,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:45:50,943 INFO L93 Difference]: Finished difference Result 72 states and 81 transitions. [2018-04-12 19:45:50,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 19:45:50,944 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2018-04-12 19:45:50,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:45:50,944 INFO L225 Difference]: With dead ends: 72 [2018-04-12 19:45:50,944 INFO L226 Difference]: Without dead ends: 45 [2018-04-12 19:45:50,944 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 19:45:50,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-04-12 19:45:50,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-04-12 19:45:50,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-04-12 19:45:50,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2018-04-12 19:45:50,946 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 30 [2018-04-12 19:45:50,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:45:50,946 INFO L459 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2018-04-12 19:45:50,946 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 19:45:50,947 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2018-04-12 19:45:50,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-12 19:45:50,947 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 19:45:50,947 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 19:45:50,947 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-12 19:45:50,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1787761716, now seen corresponding path program 2 times [2018-04-12 19:45:50,948 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 19:45:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 19:45:50,957 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 19:45:50,994 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-12 19:45:50,994 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 19:45:50,994 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-04-12 19:45:50,995 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 19:45:50,995 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 19:45:50,995 INFO L182 omatonBuilderFactory]: Interpolants [1444#true, 1445#false, 1446#(<= (+ main_~arr~0.offset (* 4 main_~i~0) 4) (select |#length| main_~arr~0.base)), 1447#(<= (+ main_~arr~0.offset (* 4 main_~i~0)) (select |#length| main_~arr~0.base)), 1448#(<= (+ main_~arr~0.offset (* 4 main_~length~0)) (select |#length| main_~arr~0.base)), 1449#(and (<= (+ main_~arr~0.offset (* 4 main_~length~0)) (select |#length| main_~arr~0.base)) (<= 0 (+ main_~arr~0.offset (* 4 main_~j~0)))), 1450#(and (<= 4 (+ main_~arr~0.offset (* 4 main_~j~0))) (<= (+ main_~arr~0.offset (* 4 main_~length~0)) (select |#length| main_~arr~0.base))), 1451#(and (<= 4 (+ main_~arr~0.offset (* 4 main_~j~0))) (<= (+ main_~arr~0.offset (* 4 main_~j~0) 4) (select |#length| main_~arr~0.base)))] [2018-04-12 19:45:50,995 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-12 19:45:50,995 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 19:45:50,995 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 19:45:50,995 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-04-12 19:45:50,996 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand 8 states. [2018-04-12 19:45:51,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 19:45:51,050 INFO L93 Difference]: Finished difference Result 45 states and 50 transitions. [2018-04-12 19:45:51,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 19:45:51,050 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2018-04-12 19:45:51,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 19:45:51,050 INFO L225 Difference]: With dead ends: 45 [2018-04-12 19:45:51,051 INFO L226 Difference]: Without dead ends: 0 [2018-04-12 19:45:51,051 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2018-04-12 19:45:51,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-12 19:45:51,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-12 19:45:51,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-12 19:45:51,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-12 19:45:51,051 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-04-12 19:45:51,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 19:45:51,051 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-12 19:45:51,051 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 19:45:51,051 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-12 19:45:51,052 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-12 19:45:51,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 07:45:51 BoogieIcfgContainer [2018-04-12 19:45:51,054 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 19:45:51,055 INFO L168 Benchmark]: Toolchain (without parser) took 2868.59 ms. Allocated memory was 400.6 MB in the beginning and 687.3 MB in the end (delta: 286.8 MB). Free memory was 337.6 MB in the beginning and 624.6 MB in the end (delta: -287.0 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 19:45:51,056 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 400.6 MB. Free memory is still 361.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 19:45:51,056 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.61 ms. Allocated memory is still 400.6 MB. Free memory was 337.6 MB in the beginning and 313.8 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. [2018-04-12 19:45:51,056 INFO L168 Benchmark]: Boogie Preprocessor took 37.25 ms. Allocated memory is still 400.6 MB. Free memory was 313.8 MB in the beginning and 311.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-12 19:45:51,057 INFO L168 Benchmark]: RCFGBuilder took 376.93 ms. Allocated memory was 400.6 MB in the beginning and 605.6 MB in the end (delta: 205.0 MB). Free memory was 311.2 MB in the beginning and 543.3 MB in the end (delta: -232.2 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-04-12 19:45:51,057 INFO L168 Benchmark]: TraceAbstraction took 2215.21 ms. Allocated memory was 605.6 MB in the beginning and 687.3 MB in the end (delta: 81.8 MB). Free memory was 543.3 MB in the beginning and 624.6 MB in the end (delta: -81.3 MB). Peak memory consumption was 501.6 kB. Max. memory is 5.3 GB. [2018-04-12 19:45:51,059 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 400.6 MB. Free memory is still 361.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 236.61 ms. Allocated memory is still 400.6 MB. Free memory was 337.6 MB in the beginning and 313.8 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 37.25 ms. Allocated memory is still 400.6 MB. Free memory was 313.8 MB in the beginning and 311.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 376.93 ms. Allocated memory was 400.6 MB in the beginning and 605.6 MB in the end (delta: 205.0 MB). Free memory was 311.2 MB in the beginning and 543.3 MB in the end (delta: -232.2 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2215.21 ms. Allocated memory was 605.6 MB in the beginning and 687.3 MB in the end (delta: 81.8 MB). Free memory was 543.3 MB in the beginning and 624.6 MB in the end (delta: -81.3 MB). Peak memory consumption was 501.6 kB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 556]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: all allocated memory was freed For all program executions holds that all allocated memory was freed 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: 556]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: 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 - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 50 locations, 9 error locations. SAFE Result, 2.1s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 342 SDtfs, 988 SDslu, 758 SDs, 0 SdLazy, 694 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 27/43 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, 12 MinimizatonAttempts, 91 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 40835 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 27/43 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/count_down-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_19-45-51-067.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/count_down-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_19-45-51-067.csv Received shutdown request...