java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/forester-heap/dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-10 15:22:45,772 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-10 15:22:45,773 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-10 15:22:45,785 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-10 15:22:45,785 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-10 15:22:45,786 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-10 15:22:45,787 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-10 15:22:45,789 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-10 15:22:45,791 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-10 15:22:45,791 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-10 15:22:45,792 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-10 15:22:45,792 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-10 15:22:45,793 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-10 15:22:45,794 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-10 15:22:45,795 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-10 15:22:45,797 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-10 15:22:45,799 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-10 15:22:45,800 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-10 15:22:45,801 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-10 15:22:45,802 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-10 15:22:45,804 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-10 15:22:45,809 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 [2018-04-10 15:22:45,825 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-10 15:22:45,825 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-10 15:22:45,826 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-10 15:22:45,826 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-10 15:22:45,827 INFO L133 SettingsManager]: * Use SBE=true [2018-04-10 15:22:45,827 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-10 15:22:45,827 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-10 15:22:45,827 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-10 15:22:45,827 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-10 15:22:45,827 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-10 15:22:45,828 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-10 15:22:45,828 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-10 15:22:45,828 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-10 15:22:45,828 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-10 15:22:45,828 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-10 15:22:45,828 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-10 15:22:45,829 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-10 15:22:45,829 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-10 15:22:45,829 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-10 15:22:45,829 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-10 15:22:45,829 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-10 15:22:45,829 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-04-10 15:22:45,858 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-10 15:22:45,870 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-10 15:22:45,872 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-10 15:22:45,874 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-10 15:22:45,874 INFO L276 PluginConnector]: CDTParser initialized [2018-04-10 15:22:45,877 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,170 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGf18042422 [2018-04-10 15:22:46,326 INFO L287 CDTParser]: IsIndexed: true [2018-04-10 15:22:46,326 INFO L288 CDTParser]: Found 1 translation units. [2018-04-10 15:22:46,327 INFO L168 CDTParser]: Scanning dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,335 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-10 15:22:46,335 INFO L215 ultiparseSymbolTable]: [2018-04-10 15:22:46,335 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-10 15:22:46,335 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,336 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-10 15:22:46,336 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____rlim64_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,336 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____uint32_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,336 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__uid_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,336 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__lldiv_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,336 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__fd_set in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,336 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__fsblkcnt_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,336 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____blksize_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,336 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__blksize_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,337 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____qaddr_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,337 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__caddr_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,337 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__u_quad_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,337 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____u_char in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,337 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____off64_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,337 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____suseconds_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,337 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__sigset_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,337 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__pthread_mutex_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,337 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____rlim_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____u_long in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____intptr_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__pthread_barrierattr_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__div_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__int16_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____fsblkcnt_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__time_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__size_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__u_char in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__blkcnt_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__pthread_key_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__pthread_rwlock_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__gid_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__ldiv_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__ino_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__clock_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____int16_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__pid_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____uint16_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____fsfilcnt64_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__ulong in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__int8_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____mode_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__u_long in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____time_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__u_short in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____fsid_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__u_int64_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____fsfilcnt_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__suseconds_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____caddr_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____u_short in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__int64_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____int8_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__mode_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____dev_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____clock_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__fsid_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____loff_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__daddr_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__u_int8_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__id_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__pthread_condattr_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__dev_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__wchar_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____useconds_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____int64_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__pthread_spinlock_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____daddr_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____uint8_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____key_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____uid_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__nlink_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__uint in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__loff_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__pthread_once_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__ushort in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____sigset_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____ino_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____syscall_slong_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__pthread_attr_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__pthread_barrier_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__u_int16_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____clockid_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__register_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____blkcnt_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__pthread_cond_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__quad_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____u_int in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__off_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__pthread_rwlockattr_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____blkcnt64_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____socklen_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__int32_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__fsfilcnt_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____gid_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____ino64_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____off_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____u_quad_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____quad_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____fsblkcnt64_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__Colour in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____uint64_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__ssize_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__fd_mask in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__pthread_mutexattr_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____fsword_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____pid_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__key_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____timer_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__u_int in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____syscall_ulong_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__idtype_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__clockid_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____ssize_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____int32_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__timer_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__pthread_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____nlink_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____id_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____sig_atomic_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i__u_int32_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____pthread_slist_t in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_rb_sentinel_true_unreach_call_true_valid_memsafety_i____fd_mask in dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:46,360 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGf18042422 [2018-04-10 15:22:46,364 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-10 15:22:46,365 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-10 15:22:46,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-10 15:22:46,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-10 15:22:46,371 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-10 15:22:46,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.04 03:22:46" (1/1) ... [2018-04-10 15:22:46,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@107db0cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:22:46, skipping insertion in model container [2018-04-10 15:22:46,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.04 03:22:46" (1/1) ... [2018-04-10 15:22:46,388 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-10 15:22:46,412 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-10 15:22:46,547 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-10 15:22:46,590 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-10 15:22:46,596 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 115 non ball SCCs. Number of states in SCCs 115. [2018-04-10 15:22:46,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:22:46 WrapperNode [2018-04-10 15:22:46,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-10 15:22:46,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-10 15:22:46,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-10 15:22:46,636 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-10 15:22:46,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:22:46" (1/1) ... [2018-04-10 15:22:46,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:22:46" (1/1) ... [2018-04-10 15:22:46,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:22:46" (1/1) ... [2018-04-10 15:22:46,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:22:46" (1/1) ... [2018-04-10 15:22:46,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:22:46" (1/1) ... [2018-04-10 15:22:46,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:22:46" (1/1) ... [2018-04-10 15:22:46,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:22:46" (1/1) ... [2018-04-10 15:22:46,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-10 15:22:46,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-10 15:22:46,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-10 15:22:46,681 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-10 15:22:46,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:22:46" (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 [2018-04-10 15:22:46,765 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-10 15:22:46,765 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-10 15:22:46,765 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-10 15:22:46,765 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-10 15:22:46,765 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-10 15:22:46,765 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-10 15:22:46,765 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-10 15:22:46,765 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-10 15:22:46,765 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-10 15:22:46,766 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-10 15:22:46,766 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-10 15:22:46,766 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-10 15:22:46,766 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-10 15:22:46,766 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-10 15:22:46,766 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-10 15:22:46,766 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-10 15:22:46,766 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-10 15:22:46,766 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-10 15:22:46,766 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-10 15:22:46,766 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-10 15:22:46,767 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-10 15:22:46,767 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-10 15:22:46,767 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-10 15:22:46,767 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-10 15:22:46,767 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-10 15:22:46,767 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-10 15:22:46,767 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-10 15:22:46,767 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-10 15:22:46,767 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-10 15:22:46,767 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-10 15:22:46,767 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-10 15:22:46,767 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-10 15:22:46,768 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-10 15:22:46,768 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-10 15:22:46,768 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-10 15:22:46,768 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-10 15:22:46,768 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-10 15:22:46,768 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-10 15:22:46,768 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-10 15:22:46,768 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-10 15:22:46,768 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-10 15:22:46,769 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-10 15:22:46,769 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-10 15:22:46,769 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-10 15:22:46,769 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-10 15:22:46,769 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-10 15:22:46,769 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-10 15:22:46,769 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-10 15:22:46,769 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-10 15:22:46,769 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-10 15:22:46,769 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-10 15:22:46,770 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-10 15:22:46,770 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-10 15:22:46,770 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-10 15:22:46,770 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-10 15:22:46,770 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-10 15:22:46,770 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-10 15:22:46,770 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-10 15:22:46,770 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-10 15:22:46,770 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-10 15:22:46,770 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-10 15:22:46,771 INFO L128 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-04-10 15:22:46,771 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-10 15:22:46,771 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-10 15:22:46,771 INFO L128 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-04-10 15:22:46,771 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-10 15:22:46,771 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-10 15:22:46,771 INFO L128 BoogieDeclarations]: Found specification of procedure quick_exit [2018-04-10 15:22:46,771 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-10 15:22:46,771 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-10 15:22:46,771 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-10 15:22:46,771 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-10 15:22:46,771 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-10 15:22:46,772 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-10 15:22:46,772 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-10 15:22:46,772 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-10 15:22:46,772 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-10 15:22:46,772 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-10 15:22:46,772 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-10 15:22:46,772 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-10 15:22:46,772 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-10 15:22:46,772 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-10 15:22:46,772 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-10 15:22:46,772 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-10 15:22:46,772 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-10 15:22:46,772 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-10 15:22:46,772 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-10 15:22:46,772 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-10 15:22:46,773 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-10 15:22:46,773 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-10 15:22:46,773 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-10 15:22:46,773 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-10 15:22:46,773 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-10 15:22:46,773 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-10 15:22:46,773 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-10 15:22:46,773 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-10 15:22:46,773 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-10 15:22:46,773 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-10 15:22:46,773 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-10 15:22:46,773 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-10 15:22:46,773 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-10 15:22:46,773 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-10 15:22:46,774 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-10 15:22:46,774 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-10 15:22:46,774 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-10 15:22:46,774 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-10 15:22:46,774 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-10 15:22:46,774 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-10 15:22:46,774 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-10 15:22:46,774 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-10 15:22:46,774 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-10 15:22:46,774 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-10 15:22:46,775 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-10 15:22:46,775 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-10 15:22:46,775 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-10 15:22:46,775 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-10 15:22:46,775 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-10 15:22:46,775 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-10 15:22:47,232 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-10 15:22:47,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.04 03:22:47 BoogieIcfgContainer [2018-04-10 15:22:47,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-10 15:22:47,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-10 15:22:47,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-10 15:22:47,235 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-10 15:22:47,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.04 03:22:46" (1/3) ... [2018-04-10 15:22:47,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e557085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.04 03:22:47, skipping insertion in model container [2018-04-10 15:22:47,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:22:46" (2/3) ... [2018-04-10 15:22:47,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e557085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.04 03:22:47, skipping insertion in model container [2018-04-10 15:22:47,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.04 03:22:47" (3/3) ... [2018-04-10 15:22:47,237 INFO L107 eAbstractionObserver]: Analyzing ICFG dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:22:47,245 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-10 15:22:47,251 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 69 error locations. [2018-04-10 15:22:47,276 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-10 15:22:47,276 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-10 15:22:47,277 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-10 15:22:47,277 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-10 15:22:47,277 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-10 15:22:47,277 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-10 15:22:47,277 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-10 15:22:47,277 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-10 15:22:47,277 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-10 15:22:47,277 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-10 15:22:47,292 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2018-04-10 15:22:47,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-10 15:22:47,301 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:22:47,301 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:22:47,302 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:22:47,306 INFO L82 PathProgramCache]: Analyzing trace with hash 303098377, now seen corresponding path program 1 times [2018-04-10 15:22:47,348 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:22:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:22:47,379 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:22:47,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:47,421 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:22:47,421 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 15:22:47,422 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:22:47,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:47,423 INFO L182 omatonBuilderFactory]: Interpolants [176#(= 1 (select |#valid| |main_#t~malloc0.base|)), 177#(= 1 (select |#valid| main_~null~0.base)), 174#true, 175#false] [2018-04-10 15:22:47,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:47,424 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 15:22:47,433 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 15:22:47,433 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 15:22:47,436 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 4 states. [2018-04-10 15:22:47,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:22:47,634 INFO L93 Difference]: Finished difference Result 196 states and 203 transitions. [2018-04-10 15:22:47,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-10 15:22:47,637 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-10 15:22:47,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:22:47,649 INFO L225 Difference]: With dead ends: 196 [2018-04-10 15:22:47,650 INFO L226 Difference]: Without dead ends: 193 [2018-04-10 15:22:47,652 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 [2018-04-10 15:22:47,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-04-10 15:22:47,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 169. [2018-04-10 15:22:47,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-04-10 15:22:47,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 176 transitions. [2018-04-10 15:22:47,690 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 176 transitions. Word has length 8 [2018-04-10 15:22:47,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:22:47,690 INFO L459 AbstractCegarLoop]: Abstraction has 169 states and 176 transitions. [2018-04-10 15:22:47,690 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 15:22:47,690 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 176 transitions. [2018-04-10 15:22:47,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-10 15:22:47,691 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:22:47,691 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:22:47,691 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:22:47,691 INFO L82 PathProgramCache]: Analyzing trace with hash 303098378, now seen corresponding path program 1 times [2018-04-10 15:22:47,693 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:22:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:22:47,705 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:22:47,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:47,751 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:22:47,751 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 15:22:47,751 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:22:47,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:47,752 INFO L182 omatonBuilderFactory]: Interpolants [545#true, 546#false, 547#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 548#(and (= 12 (select |#length| main_~null~0.base)) (= main_~null~0.offset 0))] [2018-04-10 15:22:47,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:47,753 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 15:22:47,754 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 15:22:47,754 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 15:22:47,754 INFO L87 Difference]: Start difference. First operand 169 states and 176 transitions. Second operand 4 states. [2018-04-10 15:22:47,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:22:47,840 INFO L93 Difference]: Finished difference Result 165 states and 171 transitions. [2018-04-10 15:22:47,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-10 15:22:47,840 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-10 15:22:47,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:22:47,841 INFO L225 Difference]: With dead ends: 165 [2018-04-10 15:22:47,841 INFO L226 Difference]: Without dead ends: 165 [2018-04-10 15:22:47,842 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 [2018-04-10 15:22:47,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-04-10 15:22:47,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-04-10 15:22:47,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-04-10 15:22:47,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 171 transitions. [2018-04-10 15:22:47,847 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 171 transitions. Word has length 8 [2018-04-10 15:22:47,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:22:47,847 INFO L459 AbstractCegarLoop]: Abstraction has 165 states and 171 transitions. [2018-04-10 15:22:47,847 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 15:22:47,847 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 171 transitions. [2018-04-10 15:22:47,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-10 15:22:47,848 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:22:47,848 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:22:47,848 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:22:47,848 INFO L82 PathProgramCache]: Analyzing trace with hash 335510980, now seen corresponding path program 1 times [2018-04-10 15:22:47,849 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:22:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:22:47,860 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:22:47,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:47,883 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:22:47,884 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 15:22:47,884 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:22:47,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:47,884 INFO L182 omatonBuilderFactory]: Interpolants [881#true, 882#false, 883#(= 1 (select |#valid| |main_#t~malloc1.base|)), 884#(= 1 (select |#valid| main_~list~0.base))] [2018-04-10 15:22:47,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:47,885 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 15:22:47,885 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 15:22:47,885 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 15:22:47,885 INFO L87 Difference]: Start difference. First operand 165 states and 171 transitions. Second operand 4 states. [2018-04-10 15:22:47,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:22:47,997 INFO L93 Difference]: Finished difference Result 176 states and 183 transitions. [2018-04-10 15:22:47,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 15:22:47,997 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-10 15:22:47,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:22:47,998 INFO L225 Difference]: With dead ends: 176 [2018-04-10 15:22:47,998 INFO L226 Difference]: Without dead ends: 176 [2018-04-10 15:22:47,998 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 [2018-04-10 15:22:47,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-04-10 15:22:48,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 159. [2018-04-10 15:22:48,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-04-10 15:22:48,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 166 transitions. [2018-04-10 15:22:48,005 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 166 transitions. Word has length 13 [2018-04-10 15:22:48,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:22:48,005 INFO L459 AbstractCegarLoop]: Abstraction has 159 states and 166 transitions. [2018-04-10 15:22:48,005 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 15:22:48,006 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 166 transitions. [2018-04-10 15:22:48,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-10 15:22:48,006 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:22:48,006 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:22:48,006 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:22:48,006 INFO L82 PathProgramCache]: Analyzing trace with hash 335510981, now seen corresponding path program 1 times [2018-04-10 15:22:48,008 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:22:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:22:48,019 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:22:48,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:48,045 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:22:48,045 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 15:22:48,045 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:22:48,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:48,045 INFO L182 omatonBuilderFactory]: Interpolants [1222#true, 1223#false, 1224#(and (= 12 (select |#length| |main_#t~malloc1.base|)) (= 0 |main_#t~malloc1.offset|)), 1225#(and (= main_~list~0.offset 0) (= 12 (select |#length| main_~list~0.base)))] [2018-04-10 15:22:48,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:48,045 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 15:22:48,046 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 15:22:48,046 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 15:22:48,046 INFO L87 Difference]: Start difference. First operand 159 states and 166 transitions. Second operand 4 states. [2018-04-10 15:22:48,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:22:48,142 INFO L93 Difference]: Finished difference Result 176 states and 182 transitions. [2018-04-10 15:22:48,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-10 15:22:48,142 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-10 15:22:48,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:22:48,143 INFO L225 Difference]: With dead ends: 176 [2018-04-10 15:22:48,143 INFO L226 Difference]: Without dead ends: 176 [2018-04-10 15:22:48,144 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 [2018-04-10 15:22:48,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-04-10 15:22:48,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 163. [2018-04-10 15:22:48,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-04-10 15:22:48,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 170 transitions. [2018-04-10 15:22:48,148 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 170 transitions. Word has length 13 [2018-04-10 15:22:48,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:22:48,148 INFO L459 AbstractCegarLoop]: Abstraction has 163 states and 170 transitions. [2018-04-10 15:22:48,148 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 15:22:48,148 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 170 transitions. [2018-04-10 15:22:48,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-10 15:22:48,148 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:22:48,149 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:22:48,149 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:22:48,149 INFO L82 PathProgramCache]: Analyzing trace with hash -828892463, now seen corresponding path program 1 times [2018-04-10 15:22:48,150 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:22:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:22:48,168 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:22:48,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:48,212 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:22:48,212 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 15:22:48,212 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:22:48,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:48,212 INFO L182 omatonBuilderFactory]: Interpolants [1568#false, 1569#(= 1 (select |#valid| |main_#t~malloc1.base|)), 1570#(= 1 (select |#valid| main_~list~0.base)), 1571#(= 1 (select |#valid| main_~end~0.base)), 1567#true] [2018-04-10 15:22:48,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:48,213 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 15:22:48,213 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 15:22:48,213 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:22:48,213 INFO L87 Difference]: Start difference. First operand 163 states and 170 transitions. Second operand 5 states. [2018-04-10 15:22:48,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:22:48,377 INFO L93 Difference]: Finished difference Result 168 states and 178 transitions. [2018-04-10 15:22:48,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-10 15:22:48,378 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-04-10 15:22:48,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:22:48,378 INFO L225 Difference]: With dead ends: 168 [2018-04-10 15:22:48,379 INFO L226 Difference]: Without dead ends: 168 [2018-04-10 15:22:48,379 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-10 15:22:48,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-04-10 15:22:48,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 151. [2018-04-10 15:22:48,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-04-10 15:22:48,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 160 transitions. [2018-04-10 15:22:48,383 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 160 transitions. Word has length 21 [2018-04-10 15:22:48,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:22:48,383 INFO L459 AbstractCegarLoop]: Abstraction has 151 states and 160 transitions. [2018-04-10 15:22:48,383 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 15:22:48,384 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 160 transitions. [2018-04-10 15:22:48,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-10 15:22:48,384 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:22:48,384 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:22:48,384 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:22:48,384 INFO L82 PathProgramCache]: Analyzing trace with hash -828892462, now seen corresponding path program 1 times [2018-04-10 15:22:48,386 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:22:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:22:48,399 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:22:48,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:48,461 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:22:48,461 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-10 15:22:48,461 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:22:48,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:48,461 INFO L182 omatonBuilderFactory]: Interpolants [1895#true, 1896#false, 1897#(and (= 12 (select |#length| |main_#t~malloc1.base|)) (= 0 |main_#t~malloc1.offset|)), 1898#(and (= 0 main_~list~0.offset) (= 12 (select |#length| main_~list~0.base))), 1899#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset) (= 12 (select |#length| main_~list~0.base))), 1900#(and (= main_~end~0.offset 0) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~end~0.base))), 1901#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base)))] [2018-04-10 15:22:48,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:48,462 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-10 15:22:48,462 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-10 15:22:48,462 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-04-10 15:22:48,462 INFO L87 Difference]: Start difference. First operand 151 states and 160 transitions. Second operand 7 states. [2018-04-10 15:22:48,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:22:48,675 INFO L93 Difference]: Finished difference Result 195 states and 205 transitions. [2018-04-10 15:22:48,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-10 15:22:48,675 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-04-10 15:22:48,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:22:48,675 INFO L225 Difference]: With dead ends: 195 [2018-04-10 15:22:48,676 INFO L226 Difference]: Without dead ends: 195 [2018-04-10 15:22:48,676 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-04-10 15:22:48,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-04-10 15:22:48,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 162. [2018-04-10 15:22:48,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-04-10 15:22:48,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 174 transitions. [2018-04-10 15:22:48,679 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 174 transitions. Word has length 21 [2018-04-10 15:22:48,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:22:48,679 INFO L459 AbstractCegarLoop]: Abstraction has 162 states and 174 transitions. [2018-04-10 15:22:48,679 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-10 15:22:48,679 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 174 transitions. [2018-04-10 15:22:48,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-10 15:22:48,680 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:22:48,680 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:22:48,680 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:22:48,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1996706860, now seen corresponding path program 1 times [2018-04-10 15:22:48,681 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:22:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:22:48,693 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:22:48,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:48,722 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:22:48,722 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 15:22:48,722 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:22:48,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:48,723 INFO L182 omatonBuilderFactory]: Interpolants [2267#true, 2268#false, 2269#(= 1 (select |#valid| |main_#t~malloc3.base|)), 2270#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 2271#(= 1 (select |#valid| |main_#t~mem4.base|))] [2018-04-10 15:22:48,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:48,724 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 15:22:48,724 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 15:22:48,724 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:22:48,724 INFO L87 Difference]: Start difference. First operand 162 states and 174 transitions. Second operand 5 states. [2018-04-10 15:22:48,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:22:48,878 INFO L93 Difference]: Finished difference Result 213 states and 230 transitions. [2018-04-10 15:22:48,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 15:22:48,878 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-04-10 15:22:48,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:22:48,879 INFO L225 Difference]: With dead ends: 213 [2018-04-10 15:22:48,879 INFO L226 Difference]: Without dead ends: 213 [2018-04-10 15:22:48,879 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-10 15:22:48,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2018-04-10 15:22:48,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 161. [2018-04-10 15:22:48,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-04-10 15:22:48,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 172 transitions. [2018-04-10 15:22:48,884 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 172 transitions. Word has length 23 [2018-04-10 15:22:48,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:22:48,884 INFO L459 AbstractCegarLoop]: Abstraction has 161 states and 172 transitions. [2018-04-10 15:22:48,884 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 15:22:48,884 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 172 transitions. [2018-04-10 15:22:48,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-10 15:22:48,885 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:22:48,885 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:22:48,885 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:22:48,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1996706859, now seen corresponding path program 1 times [2018-04-10 15:22:48,886 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:22:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:22:48,896 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:22:48,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:48,929 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:22:48,929 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 15:22:48,929 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:22:48,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:48,930 INFO L182 omatonBuilderFactory]: Interpolants [2650#true, 2651#false, 2652#(and (= 0 |main_#t~malloc3.offset|) (= 12 (select |#length| |main_#t~malloc3.base|))), 2653#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 2654#(and (= |main_#t~mem4.offset| 0) (= 12 (select |#length| |main_#t~mem4.base|)))] [2018-04-10 15:22:48,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:48,930 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 15:22:48,931 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 15:22:48,931 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:22:48,931 INFO L87 Difference]: Start difference. First operand 161 states and 172 transitions. Second operand 5 states. [2018-04-10 15:22:49,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:22:49,105 INFO L93 Difference]: Finished difference Result 243 states and 260 transitions. [2018-04-10 15:22:49,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-10 15:22:49,106 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-04-10 15:22:49,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:22:49,107 INFO L225 Difference]: With dead ends: 243 [2018-04-10 15:22:49,107 INFO L226 Difference]: Without dead ends: 243 [2018-04-10 15:22:49,108 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-10 15:22:49,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-04-10 15:22:49,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 160. [2018-04-10 15:22:49,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-04-10 15:22:49,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 170 transitions. [2018-04-10 15:22:49,120 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 170 transitions. Word has length 23 [2018-04-10 15:22:49,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:22:49,120 INFO L459 AbstractCegarLoop]: Abstraction has 160 states and 170 transitions. [2018-04-10 15:22:49,120 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 15:22:49,120 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 170 transitions. [2018-04-10 15:22:49,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-10 15:22:49,121 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:22:49,121 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:22:49,121 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:22:49,121 INFO L82 PathProgramCache]: Analyzing trace with hash 543304214, now seen corresponding path program 1 times [2018-04-10 15:22:49,122 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:22:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:22:49,138 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:22:49,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:49,229 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:22:49,230 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-10 15:22:49,230 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:22:49,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:49,230 INFO L182 omatonBuilderFactory]: Interpolants [3072#(= 1 (select |#valid| |main_#t~mem5.base|)), 3064#true, 3065#false, 3066#(= 1 (select |#valid| main_~list~0.base)), 3067#(= (select |#valid| main_~end~0.base) 1), 3068#(and (= 1 (select |#valid| |main_#t~malloc3.base|)) (not (= main_~end~0.base |main_#t~malloc3.base|))), 3069#(and (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 3070#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem4.base|))), 3071#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))] [2018-04-10 15:22:49,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:49,231 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-10 15:22:49,231 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-10 15:22:49,231 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-10 15:22:49,231 INFO L87 Difference]: Start difference. First operand 160 states and 170 transitions. Second operand 9 states. [2018-04-10 15:22:49,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:22:49,592 INFO L93 Difference]: Finished difference Result 171 states and 183 transitions. [2018-04-10 15:22:49,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-10 15:22:49,592 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2018-04-10 15:22:49,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:22:49,593 INFO L225 Difference]: With dead ends: 171 [2018-04-10 15:22:49,593 INFO L226 Difference]: Without dead ends: 171 [2018-04-10 15:22:49,594 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2018-04-10 15:22:49,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-04-10 15:22:49,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 159. [2018-04-10 15:22:49,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-04-10 15:22:49,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 169 transitions. [2018-04-10 15:22:49,597 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 169 transitions. Word has length 27 [2018-04-10 15:22:49,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:22:49,597 INFO L459 AbstractCegarLoop]: Abstraction has 159 states and 169 transitions. [2018-04-10 15:22:49,597 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-10 15:22:49,598 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 169 transitions. [2018-04-10 15:22:49,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-10 15:22:49,598 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:22:49,598 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:22:49,598 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:22:49,599 INFO L82 PathProgramCache]: Analyzing trace with hash 543304215, now seen corresponding path program 1 times [2018-04-10 15:22:49,599 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:22:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:22:49,611 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:22:49,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:49,727 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:22:49,727 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-10 15:22:49,727 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:22:49,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:49,728 INFO L182 omatonBuilderFactory]: Interpolants [3413#true, 3414#false, 3415#(= 1 (select |#valid| main_~list~0.base)), 3416#(= (select |#valid| main_~end~0.base) 1), 3417#(and (= 0 |main_#t~malloc3.offset|) (not (= main_~end~0.base |main_#t~malloc3.base|)) (= 12 (select |#length| |main_#t~malloc3.base|))), 3418#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 3419#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem4.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 3420#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 3421#(and (= 12 (select |#length| |main_#t~mem5.base|)) (= 0 |main_#t~mem5.offset|)), 3422#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base)))] [2018-04-10 15:22:49,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:49,728 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-10 15:22:49,728 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-10 15:22:49,729 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-04-10 15:22:49,729 INFO L87 Difference]: Start difference. First operand 159 states and 169 transitions. Second operand 10 states. [2018-04-10 15:22:50,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:22:50,144 INFO L93 Difference]: Finished difference Result 187 states and 200 transitions. [2018-04-10 15:22:50,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-10 15:22:50,145 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 27 [2018-04-10 15:22:50,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:22:50,145 INFO L225 Difference]: With dead ends: 187 [2018-04-10 15:22:50,146 INFO L226 Difference]: Without dead ends: 187 [2018-04-10 15:22:50,146 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2018-04-10 15:22:50,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-04-10 15:22:50,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 164. [2018-04-10 15:22:50,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-04-10 15:22:50,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 174 transitions. [2018-04-10 15:22:50,149 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 174 transitions. Word has length 27 [2018-04-10 15:22:50,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:22:50,150 INFO L459 AbstractCegarLoop]: Abstraction has 164 states and 174 transitions. [2018-04-10 15:22:50,150 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-10 15:22:50,150 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 174 transitions. [2018-04-10 15:22:50,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-10 15:22:50,150 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:22:50,151 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:22:50,151 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:22:50,151 INFO L82 PathProgramCache]: Analyzing trace with hash 438765575, now seen corresponding path program 1 times [2018-04-10 15:22:50,152 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:22:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:22:50,164 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:22:50,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:50,202 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:22:50,202 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 15:22:50,202 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:22:50,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:50,202 INFO L182 omatonBuilderFactory]: Interpolants [3796#true, 3797#false, 3798#(= 1 (select |#valid| |main_#t~malloc7.base|)), 3799#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 3800#(= 1 (select |#valid| |main_#t~mem8.base|))] [2018-04-10 15:22:50,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:50,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 15:22:50,203 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 15:22:50,203 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:22:50,203 INFO L87 Difference]: Start difference. First operand 164 states and 174 transitions. Second operand 5 states. [2018-04-10 15:22:50,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:22:50,335 INFO L93 Difference]: Finished difference Result 242 states and 260 transitions. [2018-04-10 15:22:50,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 15:22:50,335 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-04-10 15:22:50,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:22:50,336 INFO L225 Difference]: With dead ends: 242 [2018-04-10 15:22:50,336 INFO L226 Difference]: Without dead ends: 242 [2018-04-10 15:22:50,336 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-10 15:22:50,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2018-04-10 15:22:50,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 163. [2018-04-10 15:22:50,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-04-10 15:22:50,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 173 transitions. [2018-04-10 15:22:50,338 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 173 transitions. Word has length 34 [2018-04-10 15:22:50,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:22:50,338 INFO L459 AbstractCegarLoop]: Abstraction has 163 states and 173 transitions. [2018-04-10 15:22:50,338 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 15:22:50,338 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 173 transitions. [2018-04-10 15:22:50,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-10 15:22:50,339 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:22:50,339 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:22:50,339 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:22:50,339 INFO L82 PathProgramCache]: Analyzing trace with hash 438765576, now seen corresponding path program 1 times [2018-04-10 15:22:50,340 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:22:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:22:50,348 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:22:50,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:50,380 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:22:50,380 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 15:22:50,380 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:22:50,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:50,380 INFO L182 omatonBuilderFactory]: Interpolants [4210#true, 4211#false, 4212#(and (= 0 |main_#t~malloc7.offset|) (= 12 (select |#length| |main_#t~malloc7.base|))), 4213#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 4214#(and (= |main_#t~mem8.offset| 0) (= 12 (select |#length| |main_#t~mem8.base|)))] [2018-04-10 15:22:50,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:50,381 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 15:22:50,381 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 15:22:50,381 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:22:50,381 INFO L87 Difference]: Start difference. First operand 163 states and 173 transitions. Second operand 5 states. [2018-04-10 15:22:50,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:22:50,524 INFO L93 Difference]: Finished difference Result 272 states and 291 transitions. [2018-04-10 15:22:50,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-10 15:22:50,524 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-04-10 15:22:50,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:22:50,525 INFO L225 Difference]: With dead ends: 272 [2018-04-10 15:22:50,525 INFO L226 Difference]: Without dead ends: 272 [2018-04-10 15:22:50,525 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-10 15:22:50,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2018-04-10 15:22:50,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 162. [2018-04-10 15:22:50,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-04-10 15:22:50,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 172 transitions. [2018-04-10 15:22:50,529 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 172 transitions. Word has length 34 [2018-04-10 15:22:50,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:22:50,529 INFO L459 AbstractCegarLoop]: Abstraction has 162 states and 172 transitions. [2018-04-10 15:22:50,529 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 15:22:50,529 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 172 transitions. [2018-04-10 15:22:50,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-04-10 15:22:50,530 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:22:50,530 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:22:50,530 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:22:50,531 INFO L82 PathProgramCache]: Analyzing trace with hash 942951441, now seen corresponding path program 1 times [2018-04-10 15:22:50,531 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:22:50,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:22:50,539 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:22:50,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:50,582 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:22:50,582 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-10 15:22:50,582 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:22:50,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:50,583 INFO L182 omatonBuilderFactory]: Interpolants [4656#false, 4657#(= 0 |main_#t~malloc0.offset|), 4658#(= main_~null~0.offset 0), 4659#(= main_~null~0.offset |main_#t~malloc1.offset|), 4660#(= main_~null~0.offset main_~list~0.offset), 4661#(= main_~null~0.offset main_~end~0.offset), 4662#(not (= main_~end~0.base main_~null~0.base)), 4655#true] [2018-04-10 15:22:50,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:50,583 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-10 15:22:50,583 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-10 15:22:50,583 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-04-10 15:22:50,583 INFO L87 Difference]: Start difference. First operand 162 states and 172 transitions. Second operand 8 states. [2018-04-10 15:22:50,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:22:50,723 INFO L93 Difference]: Finished difference Result 194 states and 205 transitions. [2018-04-10 15:22:50,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-10 15:22:50,723 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2018-04-10 15:22:50,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:22:50,723 INFO L225 Difference]: With dead ends: 194 [2018-04-10 15:22:50,723 INFO L226 Difference]: Without dead ends: 194 [2018-04-10 15:22:50,724 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-04-10 15:22:50,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2018-04-10 15:22:50,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 162. [2018-04-10 15:22:50,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-04-10 15:22:50,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 171 transitions. [2018-04-10 15:22:50,726 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 171 transitions. Word has length 36 [2018-04-10 15:22:50,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:22:50,726 INFO L459 AbstractCegarLoop]: Abstraction has 162 states and 171 transitions. [2018-04-10 15:22:50,726 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-10 15:22:50,726 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 171 transitions. [2018-04-10 15:22:50,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-04-10 15:22:50,727 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:22:50,727 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, 1, 1, 1, 1, 1, 1] [2018-04-10 15:22:50,727 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:22:50,727 INFO L82 PathProgramCache]: Analyzing trace with hash -2060871765, now seen corresponding path program 1 times [2018-04-10 15:22:50,728 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:22:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:22:50,743 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:22:50,809 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:50,809 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:22:50,809 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-04-10 15:22:50,809 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:22:50,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:50,810 INFO L182 omatonBuilderFactory]: Interpolants [5031#true, 5032#false, 5033#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 5034#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 5035#(and (= main_~null~0.offset |main_#t~mem16.offset|) (= main_~null~0.base |main_#t~mem16.base|)), 5036#(and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset))] [2018-04-10 15:22:50,810 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:50,810 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-10 15:22:50,811 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-10 15:22:50,811 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-10 15:22:50,811 INFO L87 Difference]: Start difference. First operand 162 states and 171 transitions. Second operand 6 states. [2018-04-10 15:22:51,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:22:51,034 INFO L93 Difference]: Finished difference Result 235 states and 248 transitions. [2018-04-10 15:22:51,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-10 15:22:51,034 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2018-04-10 15:22:51,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:22:51,035 INFO L225 Difference]: With dead ends: 235 [2018-04-10 15:22:51,035 INFO L226 Difference]: Without dead ends: 235 [2018-04-10 15:22:51,036 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-04-10 15:22:51,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-04-10 15:22:51,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 181. [2018-04-10 15:22:51,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-04-10 15:22:51,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 192 transitions. [2018-04-10 15:22:51,039 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 192 transitions. Word has length 36 [2018-04-10 15:22:51,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:22:51,040 INFO L459 AbstractCegarLoop]: Abstraction has 181 states and 192 transitions. [2018-04-10 15:22:51,040 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-10 15:22:51,040 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 192 transitions. [2018-04-10 15:22:51,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-10 15:22:51,040 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:22:51,040 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:22:51,041 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:22:51,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1850673263, now seen corresponding path program 1 times [2018-04-10 15:22:51,042 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:22:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:22:51,049 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:22:51,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:51,114 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:22:51,114 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-10 15:22:51,114 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:22:51,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:51,115 INFO L182 omatonBuilderFactory]: Interpolants [5461#true, 5462#false, 5463#(= |main_#t~mem12| (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8))), 5464#(= ~unnamed2~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8))), 5465#(= ~unnamed2~0~BLACK |main_#t~mem13|)] [2018-04-10 15:22:51,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:51,115 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 15:22:51,115 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 15:22:51,115 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:22:51,115 INFO L87 Difference]: Start difference. First operand 181 states and 192 transitions. Second operand 5 states. [2018-04-10 15:22:51,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:22:51,199 INFO L93 Difference]: Finished difference Result 188 states and 197 transitions. [2018-04-10 15:22:51,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 15:22:51,199 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2018-04-10 15:22:51,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:22:51,200 INFO L225 Difference]: With dead ends: 188 [2018-04-10 15:22:51,200 INFO L226 Difference]: Without dead ends: 188 [2018-04-10 15:22:51,200 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-10 15:22:51,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2018-04-10 15:22:51,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 180. [2018-04-10 15:22:51,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-04-10 15:22:51,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 189 transitions. [2018-04-10 15:22:51,202 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 189 transitions. Word has length 38 [2018-04-10 15:22:51,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:22:51,202 INFO L459 AbstractCegarLoop]: Abstraction has 180 states and 189 transitions. [2018-04-10 15:22:51,203 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 15:22:51,203 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 189 transitions. [2018-04-10 15:22:51,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-10 15:22:51,203 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:22:51,203 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:22:51,203 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:22:51,204 INFO L82 PathProgramCache]: Analyzing trace with hash 534465609, now seen corresponding path program 1 times [2018-04-10 15:22:51,204 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:22:51,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:22:51,217 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:22:51,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:51,314 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:22:51,314 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-04-10 15:22:51,314 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:22:51,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:51,314 INFO L182 omatonBuilderFactory]: Interpolants [5840#(not (= main_~end~0.base |main_#t~malloc3.base|)), 5841#(not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 5842#(and (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem4.base|))), 5843#(and (not (= main_~end~0.base |main_#t~malloc7.base|)) (= 1 (select |#valid| |main_#t~malloc7.base|))), 5844#(and (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 5845#(and (not (= main_~end~0.base |main_#t~mem8.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 5846#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 5847#(= 1 (select |#valid| |main_#t~mem9.base|)), 5836#true, 5837#false, 5838#(= 1 (select |#valid| main_~list~0.base)), 5839#(= (select |#valid| main_~end~0.base) 1)] [2018-04-10 15:22:51,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:51,314 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-10 15:22:51,314 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-10 15:22:51,315 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-04-10 15:22:51,315 INFO L87 Difference]: Start difference. First operand 180 states and 189 transitions. Second operand 12 states. [2018-04-10 15:22:51,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:22:51,586 INFO L93 Difference]: Finished difference Result 180 states and 189 transitions. [2018-04-10 15:22:51,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-10 15:22:51,587 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 38 [2018-04-10 15:22:51,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:22:51,587 INFO L225 Difference]: With dead ends: 180 [2018-04-10 15:22:51,587 INFO L226 Difference]: Without dead ends: 180 [2018-04-10 15:22:51,587 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2018-04-10 15:22:51,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2018-04-10 15:22:51,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 179. [2018-04-10 15:22:51,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-04-10 15:22:51,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 188 transitions. [2018-04-10 15:22:51,589 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 188 transitions. Word has length 38 [2018-04-10 15:22:51,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:22:51,590 INFO L459 AbstractCegarLoop]: Abstraction has 179 states and 188 transitions. [2018-04-10 15:22:51,590 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-10 15:22:51,590 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 188 transitions. [2018-04-10 15:22:51,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-10 15:22:51,590 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:22:51,590 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:22:51,590 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:22:51,590 INFO L82 PathProgramCache]: Analyzing trace with hash 534465610, now seen corresponding path program 1 times [2018-04-10 15:22:51,591 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:22:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:22:51,601 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:22:51,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:51,684 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:22:51,684 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-10 15:22:51,684 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:22:51,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:51,684 INFO L182 omatonBuilderFactory]: Interpolants [6228#true, 6229#false, 6230#(= (select |#valid| main_~end~0.base) 1), 6231#(and (= 0 |main_#t~malloc7.offset|) (not (= main_~end~0.base |main_#t~malloc7.base|)) (= 12 (select |#length| |main_#t~malloc7.base|))), 6232#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 6233#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem8.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 6234#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 6235#(and (= 0 |main_#t~mem9.offset|) (= 12 (select |#length| |main_#t~mem9.base|))), 6236#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base)))] [2018-04-10 15:22:51,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:51,685 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-10 15:22:51,685 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-10 15:22:51,685 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-10 15:22:51,685 INFO L87 Difference]: Start difference. First operand 179 states and 188 transitions. Second operand 9 states. [2018-04-10 15:22:51,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:22:51,920 INFO L93 Difference]: Finished difference Result 176 states and 185 transitions. [2018-04-10 15:22:51,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-10 15:22:51,921 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 38 [2018-04-10 15:22:51,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:22:51,921 INFO L225 Difference]: With dead ends: 176 [2018-04-10 15:22:51,921 INFO L226 Difference]: Without dead ends: 176 [2018-04-10 15:22:51,922 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2018-04-10 15:22:51,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-04-10 15:22:51,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 152. [2018-04-10 15:22:51,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-04-10 15:22:51,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 160 transitions. [2018-04-10 15:22:51,923 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 160 transitions. Word has length 38 [2018-04-10 15:22:51,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:22:51,924 INFO L459 AbstractCegarLoop]: Abstraction has 152 states and 160 transitions. [2018-04-10 15:22:51,924 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-10 15:22:51,924 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 160 transitions. [2018-04-10 15:22:51,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-10 15:22:51,924 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:22:51,924 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:22:51,924 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:22:51,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1821711145, now seen corresponding path program 1 times [2018-04-10 15:22:51,925 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:22:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:22:51,930 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:22:51,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:22:51,957 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:22:51,957 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-10 15:22:51,957 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:22:51,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:51,957 INFO L182 omatonBuilderFactory]: Interpolants [6576#true, 6577#false, 6578#(= 0 |main_#t~malloc0.offset|), 6579#(= main_~null~0.offset 0), 6580#(= main_~null~0.offset |main_#t~malloc1.offset|), 6581#(= main_~null~0.offset main_~list~0.offset), 6582#(and (= main_~end~0.base main_~list~0.base) (= main_~null~0.offset main_~end~0.offset)), 6583#(not (= main_~list~0.base main_~null~0.base))] [2018-04-10 15:22:51,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:22:51,958 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-10 15:22:51,958 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-10 15:22:51,958 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-04-10 15:22:51,958 INFO L87 Difference]: Start difference. First operand 152 states and 160 transitions. Second operand 8 states. [2018-04-10 15:22:52,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:22:52,068 INFO L93 Difference]: Finished difference Result 167 states and 174 transitions. [2018-04-10 15:22:52,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-10 15:22:52,068 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 42 [2018-04-10 15:22:52,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:22:52,069 INFO L225 Difference]: With dead ends: 167 [2018-04-10 15:22:52,069 INFO L226 Difference]: Without dead ends: 167 [2018-04-10 15:22:52,069 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2018-04-10 15:22:52,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-04-10 15:22:52,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 150. [2018-04-10 15:22:52,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-04-10 15:22:52,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 157 transitions. [2018-04-10 15:22:52,071 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 157 transitions. Word has length 42 [2018-04-10 15:22:52,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:22:52,071 INFO L459 AbstractCegarLoop]: Abstraction has 150 states and 157 transitions. [2018-04-10 15:22:52,071 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-10 15:22:52,071 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 157 transitions. [2018-04-10 15:22:52,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-04-10 15:22:52,072 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:22:52,072 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:22:52,072 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:22:52,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1933011446, now seen corresponding path program 1 times [2018-04-10 15:22:52,073 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:22:52,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:22:52,078 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:22:52,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:52,113 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:22:52,113 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-04-10 15:22:52,113 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:22:52,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:52,114 INFO L182 omatonBuilderFactory]: Interpolants [6913#true, 6914#false, 6915#(= ~unnamed2~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))), 6916#(and (= ~unnamed2~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))) (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)) |main_#t~mem12|)), 6917#(= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)) (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))), 6918#(= |main_#t~mem13| (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8))), 6919#(not (= ~unnamed2~0~RED (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 8)))), 6920#(not (= ~unnamed2~0~RED |main_#t~mem17|))] [2018-04-10 15:22:52,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:52,114 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-10 15:22:52,114 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-10 15:22:52,114 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-10 15:22:52,114 INFO L87 Difference]: Start difference. First operand 150 states and 157 transitions. Second operand 8 states. [2018-04-10 15:22:52,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:22:52,385 INFO L93 Difference]: Finished difference Result 241 states and 252 transitions. [2018-04-10 15:22:52,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-10 15:22:52,385 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 45 [2018-04-10 15:22:52,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:22:52,386 INFO L225 Difference]: With dead ends: 241 [2018-04-10 15:22:52,386 INFO L226 Difference]: Without dead ends: 241 [2018-04-10 15:22:52,387 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2018-04-10 15:22:52,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2018-04-10 15:22:52,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 147. [2018-04-10 15:22:52,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-04-10 15:22:52,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 153 transitions. [2018-04-10 15:22:52,390 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 153 transitions. Word has length 45 [2018-04-10 15:22:52,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:22:52,390 INFO L459 AbstractCegarLoop]: Abstraction has 147 states and 153 transitions. [2018-04-10 15:22:52,390 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-10 15:22:52,390 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 153 transitions. [2018-04-10 15:22:52,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-10 15:22:52,390 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:22:52,391 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:22:52,391 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:22:52,391 INFO L82 PathProgramCache]: Analyzing trace with hash 811409925, now seen corresponding path program 1 times [2018-04-10 15:22:52,392 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:22:52,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:22:52,402 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:22:52,488 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:52,489 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:22:52,489 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-04-10 15:22:52,489 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:22:52,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:52,489 INFO L182 omatonBuilderFactory]: Interpolants [7328#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 7329#(and (= main_~null~0.offset |main_#t~mem20.offset|) (= main_~null~0.base |main_#t~mem20.base|)), 7330#(and (= main_~null~0.base main_~end~0.base) (= main_~null~0.offset main_~end~0.offset)), 7331#(and (= main_~null~0.offset main_~list~0.offset) (= main_~list~0.base main_~null~0.base)), 7323#true, 7324#false, 7325#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 7326#(and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem16.offset|)), 7327#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~end~0.offset))] [2018-04-10 15:22:52,490 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:52,490 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-10 15:22:52,490 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-10 15:22:52,490 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-04-10 15:22:52,490 INFO L87 Difference]: Start difference. First operand 147 states and 153 transitions. Second operand 9 states. [2018-04-10 15:22:52,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:22:52,872 INFO L93 Difference]: Finished difference Result 198 states and 207 transitions. [2018-04-10 15:22:52,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-10 15:22:52,875 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 48 [2018-04-10 15:22:52,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:22:52,876 INFO L225 Difference]: With dead ends: 198 [2018-04-10 15:22:52,876 INFO L226 Difference]: Without dead ends: 198 [2018-04-10 15:22:52,876 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2018-04-10 15:22:52,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2018-04-10 15:22:52,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 162. [2018-04-10 15:22:52,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-04-10 15:22:52,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 169 transitions. [2018-04-10 15:22:52,880 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 169 transitions. Word has length 48 [2018-04-10 15:22:52,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:22:52,880 INFO L459 AbstractCegarLoop]: Abstraction has 162 states and 169 transitions. [2018-04-10 15:22:52,880 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-10 15:22:52,880 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 169 transitions. [2018-04-10 15:22:52,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-04-10 15:22:52,881 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:22:52,881 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:22:52,881 INFO L408 AbstractCegarLoop]: === Iteration 21 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:22:52,881 INFO L82 PathProgramCache]: Analyzing trace with hash -616096478, now seen corresponding path program 1 times [2018-04-10 15:22:52,882 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:22:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:22:52,890 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:22:52,973 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:22:52,973 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:22:52,974 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-04-10 15:22:52,974 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:22:52,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:52,974 INFO L182 omatonBuilderFactory]: Interpolants [7712#(and (or (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base main_~null~0.base)) (= main_~null~0.offset main_~end~0.offset)), 7713#(and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~list~0.base main_~null~0.base))), 7714#(= 1 (select |#valid| main_~null~0.base)), 7705#true, 7706#false, 7707#(= 0 |main_#t~malloc0.offset|), 7708#(= main_~null~0.offset 0), 7709#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.offset 0)), 7710#(and (= main_~null~0.offset |main_#t~malloc1.offset|) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base |main_#t~malloc1.base|))), 7711#(and (= main_~null~0.offset main_~list~0.offset) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base main_~list~0.base)))] [2018-04-10 15:22:52,974 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:22:52,975 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-10 15:22:52,975 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-10 15:22:52,975 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-04-10 15:22:52,975 INFO L87 Difference]: Start difference. First operand 162 states and 169 transitions. Second operand 10 states. [2018-04-10 15:22:53,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:22:53,216 INFO L93 Difference]: Finished difference Result 200 states and 209 transitions. [2018-04-10 15:22:53,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-10 15:22:53,216 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 49 [2018-04-10 15:22:53,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:22:53,217 INFO L225 Difference]: With dead ends: 200 [2018-04-10 15:22:53,217 INFO L226 Difference]: Without dead ends: 200 [2018-04-10 15:22:53,217 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2018-04-10 15:22:53,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2018-04-10 15:22:53,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 169. [2018-04-10 15:22:53,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-04-10 15:22:53,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 177 transitions. [2018-04-10 15:22:53,219 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 177 transitions. Word has length 49 [2018-04-10 15:22:53,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:22:53,219 INFO L459 AbstractCegarLoop]: Abstraction has 169 states and 177 transitions. [2018-04-10 15:22:53,219 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-10 15:22:53,219 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 177 transitions. [2018-04-10 15:22:53,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-04-10 15:22:53,219 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:22:53,219 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:22:53,219 INFO L408 AbstractCegarLoop]: === Iteration 22 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:22:53,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1734585614, now seen corresponding path program 1 times [2018-04-10 15:22:53,220 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:22:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:22:53,226 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:22:53,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:22:53,384 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:22:53,384 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-04-10 15:22:53,384 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:22:53,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:53,384 INFO L182 omatonBuilderFactory]: Interpolants [8102#true, 8103#false, 8104#(= |#valid| |old(#valid)|), 8105#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (= 0 |main_#t~malloc0.offset|)), 8106#(and (= |old(#valid)| (store |#valid| main_~null~0.base 0)) (= main_~null~0.offset 0)), 8107#(and (= main_~null~0.offset |main_#t~malloc1.offset|) (or (= main_~null~0.base |main_#t~malloc1.base|) (= (store (store |#valid| |main_#t~malloc1.base| 0) main_~null~0.base 0) |old(#valid)|))), 8108#(and (= main_~null~0.offset main_~list~0.offset) (or (= main_~null~0.base main_~list~0.base) (= (store (store |#valid| main_~list~0.base 0) main_~null~0.base 0) |old(#valid)|))), 8109#(and (or (and (= main_~end~0.base main_~list~0.base) (= (store (store |#valid| main_~list~0.base 0) main_~null~0.base 0) |old(#valid)|)) (= main_~end~0.base main_~null~0.base)) (= main_~null~0.offset main_~end~0.offset)), 8110#(and (= (store (store |#valid| main_~list~0.base 0) main_~null~0.base 0) |old(#valid)|) (not (= main_~list~0.base main_~null~0.base))), 8111#(= |old(#valid)| (store |#valid| main_~null~0.base 0))] [2018-04-10 15:22:53,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:22:53,384 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-10 15:22:53,385 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-10 15:22:53,385 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-04-10 15:22:53,385 INFO L87 Difference]: Start difference. First operand 169 states and 177 transitions. Second operand 10 states. [2018-04-10 15:22:53,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:22:53,810 INFO L93 Difference]: Finished difference Result 187 states and 194 transitions. [2018-04-10 15:22:53,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-10 15:22:53,810 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 52 [2018-04-10 15:22:53,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:22:53,810 INFO L225 Difference]: With dead ends: 187 [2018-04-10 15:22:53,811 INFO L226 Difference]: Without dead ends: 154 [2018-04-10 15:22:53,811 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2018-04-10 15:22:53,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-04-10 15:22:53,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 153. [2018-04-10 15:22:53,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-04-10 15:22:53,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 160 transitions. [2018-04-10 15:22:53,813 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 160 transitions. Word has length 52 [2018-04-10 15:22:53,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:22:53,813 INFO L459 AbstractCegarLoop]: Abstraction has 153 states and 160 transitions. [2018-04-10 15:22:53,814 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-10 15:22:53,814 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 160 transitions. [2018-04-10 15:22:53,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-04-10 15:22:53,814 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:22:53,814 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:22:53,814 INFO L408 AbstractCegarLoop]: === Iteration 23 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:22:53,814 INFO L82 PathProgramCache]: Analyzing trace with hash 301862099, now seen corresponding path program 1 times [2018-04-10 15:22:53,815 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:22:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:22:53,826 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:22:54,077 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:54,077 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:22:54,078 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-10 15:22:54,078 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:22:54,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:54,078 INFO L182 omatonBuilderFactory]: Interpolants [8480#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem4.base|))), 8481#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset)), 8482#(and (= |main_#t~mem5.offset| main_~list~0.offset) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 8483#(or (and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 8484#(or (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 8485#(or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem11.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base)))), 8486#(or (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 8487#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 8488#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 8489#(or (= 1 (select |#valid| |main_#t~mem16.base|)) (and (= main_~null~0.offset |main_#t~mem16.offset|) (= main_~null~0.base |main_#t~mem16.base|))), 8490#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 8491#(= 1 (select |#valid| main_~end~0.base)), 8472#true, 8473#false, 8474#(= 0 |main_#t~malloc1.offset|), 8475#(= 0 main_~list~0.offset), 8476#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 8477#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 8478#(and (= |main_#t~malloc3.offset| main_~list~0.offset) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc3.base|))), 8479#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))] [2018-04-10 15:22:54,078 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:54,078 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-10 15:22:54,078 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-10 15:22:54,078 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2018-04-10 15:22:54,079 INFO L87 Difference]: Start difference. First operand 153 states and 160 transitions. Second operand 20 states. [2018-04-10 15:22:55,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:22:55,047 INFO L93 Difference]: Finished difference Result 269 states and 282 transitions. [2018-04-10 15:22:55,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-10 15:22:55,047 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 61 [2018-04-10 15:22:55,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:22:55,048 INFO L225 Difference]: With dead ends: 269 [2018-04-10 15:22:55,048 INFO L226 Difference]: Without dead ends: 269 [2018-04-10 15:22:55,048 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=461, Invalid=1519, Unknown=0, NotChecked=0, Total=1980 [2018-04-10 15:22:55,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2018-04-10 15:22:55,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 195. [2018-04-10 15:22:55,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-04-10 15:22:55,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 206 transitions. [2018-04-10 15:22:55,050 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 206 transitions. Word has length 61 [2018-04-10 15:22:55,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:22:55,050 INFO L459 AbstractCegarLoop]: Abstraction has 195 states and 206 transitions. [2018-04-10 15:22:55,050 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-10 15:22:55,050 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 206 transitions. [2018-04-10 15:22:55,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-04-10 15:22:55,051 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:22:55,051 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:22:55,051 INFO L408 AbstractCegarLoop]: === Iteration 24 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:22:55,051 INFO L82 PathProgramCache]: Analyzing trace with hash 301862100, now seen corresponding path program 1 times [2018-04-10 15:22:55,052 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:22:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:22:55,060 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:22:55,414 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:55,414 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:22:55,415 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-10 15:22:55,415 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:22:55,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:55,415 INFO L182 omatonBuilderFactory]: Interpolants [9024#(or (and (= 0 |main_#t~mem16.offset|) (<= 12 (select |#length| |main_#t~mem16.base|))) (and (= main_~null~0.offset |main_#t~mem16.offset|) (= main_~null~0.base |main_#t~mem16.base|))), 9025#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (and (= main_~end~0.offset 0) (<= 12 (select |#length| main_~end~0.base)))), 9026#(and (= main_~end~0.offset 0) (<= 12 (select |#length| main_~end~0.base))), 9006#true, 9007#false, 9008#(= 0 |main_#t~malloc1.offset|), 9009#(= 0 main_~list~0.offset), 9010#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 9011#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 9012#(and (= |main_#t~malloc3.offset| main_~list~0.offset) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 |main_#t~malloc3.offset|) (not (= main_~end~0.base |main_#t~malloc3.base|))), 9013#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 9014#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem4.base|))), 9015#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset))), 9016#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem5.offset| main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|)), 9017#(or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 9018#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (<= 0 main_~end~0.offset)) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 9019#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (<= 12 (select |#length| main_~end~0.base))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 9020#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (<= 12 (select |#length| main_~end~0.base))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem11.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 9021#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (<= 12 (select |#length| main_~end~0.base))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 9022#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 9023#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))] [2018-04-10 15:22:55,415 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:55,415 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-10 15:22:55,415 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-10 15:22:55,416 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2018-04-10 15:22:55,416 INFO L87 Difference]: Start difference. First operand 195 states and 206 transitions. Second operand 21 states. [2018-04-10 15:22:56,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:22:56,728 INFO L93 Difference]: Finished difference Result 269 states and 283 transitions. [2018-04-10 15:22:56,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-10 15:22:56,728 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 61 [2018-04-10 15:22:56,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:22:56,729 INFO L225 Difference]: With dead ends: 269 [2018-04-10 15:22:56,729 INFO L226 Difference]: Without dead ends: 269 [2018-04-10 15:22:56,730 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 426 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=430, Invalid=1550, Unknown=0, NotChecked=0, Total=1980 [2018-04-10 15:22:56,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2018-04-10 15:22:56,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 198. [2018-04-10 15:22:56,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-04-10 15:22:56,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 209 transitions. [2018-04-10 15:22:56,733 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 209 transitions. Word has length 61 [2018-04-10 15:22:56,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:22:56,733 INFO L459 AbstractCegarLoop]: Abstraction has 198 states and 209 transitions. [2018-04-10 15:22:56,733 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-10 15:22:56,733 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 209 transitions. [2018-04-10 15:22:56,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-04-10 15:22:56,734 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:22:56,734 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:22:56,734 INFO L408 AbstractCegarLoop]: === Iteration 25 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:22:56,734 INFO L82 PathProgramCache]: Analyzing trace with hash -79550567, now seen corresponding path program 2 times [2018-04-10 15:22:56,735 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:22:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:22:56,748 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:22:57,214 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:57,214 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:22:57,214 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-10 15:22:57,214 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:22:57,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:57,215 INFO L182 omatonBuilderFactory]: Interpolants [9542#true, 9543#false, 9544#(= 0 |main_#t~malloc1.offset|), 9545#(= 0 main_~list~0.offset), 9546#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 9547#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 9548#(and (= |main_#t~malloc3.offset| main_~list~0.offset) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~malloc3.offset| 0) (not (= main_~end~0.base |main_#t~malloc3.base|)) (= 12 (select |#length| |main_#t~malloc3.base|))), 9549#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (= main_~end~0.base main_~list~0.base) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset))) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 9550#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (= main_~end~0.base main_~list~0.base) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset))) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem4.base|))), 9551#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (= main_~end~0.base main_~list~0.base) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset))) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset)), 9552#(and (= |main_#t~mem5.offset| main_~list~0.offset) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem5.offset| 0) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 9553#(or (and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 9554#(or (and (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 9555#(or (and (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem11.offset|) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem11.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 9556#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset 0) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 9557#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 9558#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)))), 9559#(or (and (= main_~null~0.offset |main_#t~mem16.offset|) (= main_~null~0.base |main_#t~mem16.base|)) (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) 0)) (= 12 (select |#length| |main_#t~mem16.base|)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|)))), 9560#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (and (or (not (= main_~end~0.offset 0)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 9561#(and (or (not (= main_~end~0.offset 0)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 9562#(and (or (not (= main_~end~0.offset 0)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (= main_~end~0.offset 0) (and (= (select |#length| main_~end~0.base) 12) (<= main_~end~0.offset 0))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 9563#(and (= main_~null~0.offset |main_#t~mem16.offset|) (= main_~null~0.base |main_#t~mem16.base|)), 9564#(and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset))] [2018-04-10 15:22:57,215 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:57,215 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-10 15:22:57,215 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-10 15:22:57,215 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2018-04-10 15:22:57,215 INFO L87 Difference]: Start difference. First operand 198 states and 209 transitions. Second operand 23 states. [2018-04-10 15:22:58,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:22:58,507 INFO L93 Difference]: Finished difference Result 277 states and 291 transitions. [2018-04-10 15:22:58,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-10 15:22:58,507 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 67 [2018-04-10 15:22:58,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:22:58,508 INFO L225 Difference]: With dead ends: 277 [2018-04-10 15:22:58,508 INFO L226 Difference]: Without dead ends: 277 [2018-04-10 15:22:58,509 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 441 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=391, Invalid=1679, Unknown=0, NotChecked=0, Total=2070 [2018-04-10 15:22:58,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2018-04-10 15:22:58,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 201. [2018-04-10 15:22:58,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-04-10 15:22:58,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 212 transitions. [2018-04-10 15:22:58,511 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 212 transitions. Word has length 67 [2018-04-10 15:22:58,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:22:58,511 INFO L459 AbstractCegarLoop]: Abstraction has 201 states and 212 transitions. [2018-04-10 15:22:58,511 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-10 15:22:58,511 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 212 transitions. [2018-04-10 15:22:58,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-04-10 15:22:58,511 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:22:58,511 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:22:58,511 INFO L408 AbstractCegarLoop]: === Iteration 26 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:22:58,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1065134883, now seen corresponding path program 1 times [2018-04-10 15:22:58,512 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:22:58,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:22:58,519 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:22:59,271 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:59,271 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:22:59,271 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-10 15:22:59,271 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:22:59,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:59,271 INFO L182 omatonBuilderFactory]: Interpolants [10112#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 10113#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base |main_#t~mem14.base|)), 10114#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base main_~null~0.base)), 10115#(= 1 (select |#valid| main_~end~0.base)), 10089#true, 10090#false, 10091#(= 0 |main_#t~malloc0.offset|), 10092#(= main_~null~0.offset 0), 10093#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.offset 0)), 10094#(and (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base |main_#t~malloc1.base|)) (= 0 |main_#t~malloc1.offset|) (= main_~null~0.offset 0)), 10095#(and (= 0 main_~list~0.offset) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset 0)), 10096#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset) (= main_~null~0.offset 0)), 10097#(and (= main_~end~0.base main_~list~0.base) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0) (or (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.offset main_~list~0.offset)) (= main_~null~0.base main_~list~0.base))), 10098#(and (= |main_#t~malloc3.offset| main_~list~0.offset) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.base |main_#t~malloc3.base|) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.offset main_~list~0.offset))) (= main_~end~0.base main_~list~0.base) (or (not (= main_~null~0.base |main_#t~malloc3.base|)) (and (= 0 |main_#t~malloc3.offset|) (= main_~null~0.offset 0))) (not (= main_~end~0.base |main_#t~malloc3.base|))), 10099#(and (= main_~end~0.base main_~list~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.offset main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 10100#(and (= main_~end~0.base main_~list~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.offset main_~list~0.offset))) (not (= main_~end~0.base |main_#t~mem4.base|))), 10101#(and (= main_~end~0.base main_~list~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.offset main_~list~0.offset)))), 10102#(or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (= |main_#t~mem5.offset| main_~list~0.offset) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.base |main_#t~mem5.base|) (= |main_#t~mem5.offset| main_~list~0.offset) (= main_~null~0.offset 0) (= 0 |main_#t~mem5.offset|))), 10103#(or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset 0)) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 10104#(or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.offset 0) (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset 0)) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 10105#(or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem11.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (= main_~end~0.offset 0) (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset 0))), 10106#(or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (= main_~end~0.offset 0) (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset 0))), 10107#(or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 10108#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 10109#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 10110#(or (and (= main_~null~0.offset |main_#t~mem16.offset|) (= main_~null~0.base |main_#t~mem16.base|)) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)))), 10111#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))] [2018-04-10 15:22:59,272 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:22:59,272 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-10 15:22:59,272 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-10 15:22:59,272 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2018-04-10 15:22:59,272 INFO L87 Difference]: Start difference. First operand 201 states and 212 transitions. Second operand 27 states. [2018-04-10 15:23:01,297 WARN L151 SmtUtils]: Spent 106ms on a formula simplification. DAG size of input: 72 DAG size of output 70 [2018-04-10 15:23:01,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:23:01,591 INFO L93 Difference]: Finished difference Result 281 states and 296 transitions. [2018-04-10 15:23:01,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-04-10 15:23:01,591 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 69 [2018-04-10 15:23:01,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:23:01,592 INFO L225 Difference]: With dead ends: 281 [2018-04-10 15:23:01,592 INFO L226 Difference]: Without dead ends: 281 [2018-04-10 15:23:01,593 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 748 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=766, Invalid=2894, Unknown=0, NotChecked=0, Total=3660 [2018-04-10 15:23:01,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2018-04-10 15:23:01,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 207. [2018-04-10 15:23:01,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-04-10 15:23:01,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 219 transitions. [2018-04-10 15:23:01,595 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 219 transitions. Word has length 69 [2018-04-10 15:23:01,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:23:01,596 INFO L459 AbstractCegarLoop]: Abstraction has 207 states and 219 transitions. [2018-04-10 15:23:01,596 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-10 15:23:01,596 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 219 transitions. [2018-04-10 15:23:01,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-04-10 15:23:01,596 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:23:01,596 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:23:01,596 INFO L408 AbstractCegarLoop]: === Iteration 27 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:23:01,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1065134882, now seen corresponding path program 1 times [2018-04-10 15:23:01,597 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:23:01,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:23:01,606 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:23:02,296 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:02,297 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:23:02,297 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-10 15:23:02,297 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:23:02,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:02,297 INFO L182 omatonBuilderFactory]: Interpolants [10688#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 10689#(or (and (= main_~null~0.offset |main_#t~mem16.offset|) (= main_~null~0.base |main_#t~mem16.base|)) (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|)))), 10690#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset))), 10691#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 10692#(and (= main_~null~0.offset |main_#t~mem14.offset|) (= main_~null~0.base |main_#t~mem14.base|)), 10693#(and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)), 10672#true, 10673#false, 10674#(= 0 |main_#t~malloc1.offset|), 10675#(= 0 main_~list~0.offset), 10676#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 10677#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 10678#(and (= |main_#t~malloc3.offset| main_~list~0.offset) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc3.base|))), 10679#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 10680#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem4.base|))), 10681#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset)), 10682#(and (= |main_#t~mem5.offset| main_~list~0.offset) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 10683#(or (and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 10684#(or (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 10685#(or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem11.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem11.offset|) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 10686#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 10687#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))] [2018-04-10 15:23:02,298 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:02,298 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-10 15:23:02,298 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-10 15:23:02,298 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=396, Unknown=0, NotChecked=0, Total=462 [2018-04-10 15:23:02,298 INFO L87 Difference]: Start difference. First operand 207 states and 219 transitions. Second operand 22 states. [2018-04-10 15:23:03,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:23:03,277 INFO L93 Difference]: Finished difference Result 258 states and 269 transitions. [2018-04-10 15:23:03,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-10 15:23:03,277 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 69 [2018-04-10 15:23:03,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:23:03,278 INFO L225 Difference]: With dead ends: 258 [2018-04-10 15:23:03,278 INFO L226 Difference]: Without dead ends: 254 [2018-04-10 15:23:03,278 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 355 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=362, Invalid=1530, Unknown=0, NotChecked=0, Total=1892 [2018-04-10 15:23:03,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-04-10 15:23:03,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 200. [2018-04-10 15:23:03,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2018-04-10 15:23:03,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 210 transitions. [2018-04-10 15:23:03,280 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 210 transitions. Word has length 69 [2018-04-10 15:23:03,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:23:03,281 INFO L459 AbstractCegarLoop]: Abstraction has 200 states and 210 transitions. [2018-04-10 15:23:03,281 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-10 15:23:03,281 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 210 transitions. [2018-04-10 15:23:03,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-04-10 15:23:03,281 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:23:03,281 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:23:03,281 INFO L408 AbstractCegarLoop]: === Iteration 28 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:23:03,281 INFO L82 PathProgramCache]: Analyzing trace with hash -631171543, now seen corresponding path program 1 times [2018-04-10 15:23:03,282 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:23:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:23:03,297 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:23:03,595 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:03,595 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:23:03,595 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-10 15:23:03,595 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:23:03,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:03,596 INFO L182 omatonBuilderFactory]: Interpolants [11200#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc3.base|))), 11201#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 11202#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem4.base|))), 11203#(and (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 11204#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 11205#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 11206#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base |main_#t~malloc7.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 11207#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 11208#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base |main_#t~mem8.base|)) (not (= |main_#t~mem8.base| main_~list~0.base))), 11209#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1)), 11210#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 11211#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 11212#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 11213#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 11214#(= 1 (select |#valid| |main_#t~mem16.base|)), 11215#(= 1 (select |#valid| main_~end~0.base)), 11196#true, 11197#false, 11198#(= 1 (select |#valid| main_~list~0.base)), 11199#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1))] [2018-04-10 15:23:03,596 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:03,596 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-10 15:23:03,596 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-10 15:23:03,596 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2018-04-10 15:23:03,596 INFO L87 Difference]: Start difference. First operand 200 states and 210 transitions. Second operand 20 states. [2018-04-10 15:23:04,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:23:04,335 INFO L93 Difference]: Finished difference Result 296 states and 310 transitions. [2018-04-10 15:23:04,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-10 15:23:04,335 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 70 [2018-04-10 15:23:04,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:23:04,336 INFO L225 Difference]: With dead ends: 296 [2018-04-10 15:23:04,336 INFO L226 Difference]: Without dead ends: 296 [2018-04-10 15:23:04,336 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=300, Invalid=1182, Unknown=0, NotChecked=0, Total=1482 [2018-04-10 15:23:04,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2018-04-10 15:23:04,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 241. [2018-04-10 15:23:04,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2018-04-10 15:23:04,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 254 transitions. [2018-04-10 15:23:04,338 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 254 transitions. Word has length 70 [2018-04-10 15:23:04,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:23:04,338 INFO L459 AbstractCegarLoop]: Abstraction has 241 states and 254 transitions. [2018-04-10 15:23:04,338 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-10 15:23:04,338 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 254 transitions. [2018-04-10 15:23:04,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-04-10 15:23:04,339 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:23:04,339 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:23:04,339 INFO L408 AbstractCegarLoop]: === Iteration 29 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:23:04,339 INFO L82 PathProgramCache]: Analyzing trace with hash -631171542, now seen corresponding path program 1 times [2018-04-10 15:23:04,340 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:23:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:23:04,348 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:23:04,667 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:04,667 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:23:04,667 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-10 15:23:04,667 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:23:04,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:04,668 INFO L182 omatonBuilderFactory]: Interpolants [11808#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 11809#(and (= 12 (select |#length| |main_#t~mem16.base|)) (= 0 |main_#t~mem16.offset|)), 11810#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base))), 11791#true, 11792#false, 11793#(= 1 (select |#valid| main_~list~0.base)), 11794#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 11795#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 |main_#t~malloc3.offset|) (not (= main_~end~0.base |main_#t~malloc3.base|)) (= 12 (select |#length| |main_#t~malloc3.base|))), 11796#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 11797#(and (= 12 (select |#length| |main_#t~mem4.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base |main_#t~mem4.base|))), 11798#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| |main_#t~mem5.base|)) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 11799#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 11800#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 11801#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base |main_#t~malloc7.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base))), 11802#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 11803#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem8.base|)) (= 12 (select |#length| main_~end~0.base)) (not (= |main_#t~mem8.base| main_~list~0.base))), 11804#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base))), 11805#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem9.base|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 11806#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 11807#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))] [2018-04-10 15:23:04,668 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:04,668 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-10 15:23:04,668 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-10 15:23:04,668 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2018-04-10 15:23:04,668 INFO L87 Difference]: Start difference. First operand 241 states and 254 transitions. Second operand 20 states. [2018-04-10 15:23:05,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:23:05,361 INFO L93 Difference]: Finished difference Result 295 states and 310 transitions. [2018-04-10 15:23:05,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-10 15:23:05,361 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 70 [2018-04-10 15:23:05,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:23:05,362 INFO L225 Difference]: With dead ends: 295 [2018-04-10 15:23:05,362 INFO L226 Difference]: Without dead ends: 295 [2018-04-10 15:23:05,362 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=212, Invalid=910, Unknown=0, NotChecked=0, Total=1122 [2018-04-10 15:23:05,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2018-04-10 15:23:05,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 244. [2018-04-10 15:23:05,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2018-04-10 15:23:05,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 257 transitions. [2018-04-10 15:23:05,364 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 257 transitions. Word has length 70 [2018-04-10 15:23:05,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:23:05,364 INFO L459 AbstractCegarLoop]: Abstraction has 244 states and 257 transitions. [2018-04-10 15:23:05,364 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-10 15:23:05,364 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 257 transitions. [2018-04-10 15:23:05,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-04-10 15:23:05,365 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:23:05,365 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:23:05,365 INFO L408 AbstractCegarLoop]: === Iteration 30 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:23:05,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1965926289, now seen corresponding path program 2 times [2018-04-10 15:23:05,365 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:23:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:23:05,379 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:23:05,647 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:05,648 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:23:05,648 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-10 15:23:05,648 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:23:05,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:05,648 INFO L182 omatonBuilderFactory]: Interpolants [12384#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base |main_#t~mem4.base|))), 12385#(and (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 12386#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 12387#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 12388#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base |main_#t~malloc7.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| |main_#t~malloc7.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 12389#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 12390#(and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem8.base|)) (not (= |main_#t~mem8.base| main_~list~0.base))), 12391#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|))), 12392#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 12393#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 12394#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 12395#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|))), 12396#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 12397#(= 1 (select |#valid| |main_#t~mem16.base|)), 12398#(= 1 (select |#valid| main_~end~0.base)), 12378#true, 12379#false, 12380#(= 1 (select |#valid| main_~list~0.base)), 12381#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 12382#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc3.base|))), 12383#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))] [2018-04-10 15:23:05,648 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:05,648 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-10 15:23:05,649 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-10 15:23:05,649 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2018-04-10 15:23:05,649 INFO L87 Difference]: Start difference. First operand 244 states and 257 transitions. Second operand 21 states. [2018-04-10 15:23:06,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:23:06,568 INFO L93 Difference]: Finished difference Result 312 states and 328 transitions. [2018-04-10 15:23:06,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-10 15:23:06,568 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 76 [2018-04-10 15:23:06,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:23:06,569 INFO L225 Difference]: With dead ends: 312 [2018-04-10 15:23:06,569 INFO L226 Difference]: Without dead ends: 312 [2018-04-10 15:23:06,569 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 384 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=289, Invalid=1517, Unknown=0, NotChecked=0, Total=1806 [2018-04-10 15:23:06,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2018-04-10 15:23:06,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 248. [2018-04-10 15:23:06,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2018-04-10 15:23:06,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 263 transitions. [2018-04-10 15:23:06,572 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 263 transitions. Word has length 76 [2018-04-10 15:23:06,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:23:06,573 INFO L459 AbstractCegarLoop]: Abstraction has 248 states and 263 transitions. [2018-04-10 15:23:06,573 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-10 15:23:06,573 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 263 transitions. [2018-04-10 15:23:06,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-04-10 15:23:06,573 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:23:06,574 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:23:06,574 INFO L408 AbstractCegarLoop]: === Iteration 31 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:23:06,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1965926288, now seen corresponding path program 2 times [2018-04-10 15:23:06,575 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:23:06,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:23:06,590 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:23:07,128 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:07,128 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:23:07,128 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-10 15:23:07,128 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:23:07,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:07,129 INFO L182 omatonBuilderFactory]: Interpolants [13024#(and (<= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base)) (<= 0 main_~end~0.offset)), 13003#true, 13004#false, 13005#(= 1 (select |#valid| main_~list~0.base)), 13006#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 13007#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc3.base|))), 13008#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 13009#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base |main_#t~mem4.base|))), 13010#(and (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 13011#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 13012#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 13013#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 |main_#t~malloc7.offset|) (not (= main_~list~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base |main_#t~malloc7.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| |main_#t~malloc7.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 13014#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 13015#(and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem8.base|)) (not (= |main_#t~mem8.base| main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 13016#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= 0 |main_#t~mem9.offset|) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 13017#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 13018#(and (= main_~end~0.offset 0) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 13019#(and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) 0) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 13020#(and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (<= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) 0) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 13021#(and (<= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|))) (<= (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|) 0)), 13022#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (<= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0)), 13023#(and (<= 0 |main_#t~mem16.offset|) (<= |main_#t~mem16.offset| 0) (= 12 (select |#length| |main_#t~mem16.base|)))] [2018-04-10 15:23:07,129 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:07,129 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-10 15:23:07,130 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-10 15:23:07,130 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2018-04-10 15:23:07,130 INFO L87 Difference]: Start difference. First operand 248 states and 263 transitions. Second operand 22 states. [2018-04-10 15:23:08,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:23:08,159 INFO L93 Difference]: Finished difference Result 312 states and 329 transitions. [2018-04-10 15:23:08,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-10 15:23:08,159 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 76 [2018-04-10 15:23:08,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:23:08,160 INFO L225 Difference]: With dead ends: 312 [2018-04-10 15:23:08,160 INFO L226 Difference]: Without dead ends: 312 [2018-04-10 15:23:08,160 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=184, Invalid=1148, Unknown=0, NotChecked=0, Total=1332 [2018-04-10 15:23:08,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2018-04-10 15:23:08,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 250. [2018-04-10 15:23:08,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2018-04-10 15:23:08,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 265 transitions. [2018-04-10 15:23:08,163 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 265 transitions. Word has length 76 [2018-04-10 15:23:08,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:23:08,163 INFO L459 AbstractCegarLoop]: Abstraction has 250 states and 265 transitions. [2018-04-10 15:23:08,163 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-10 15:23:08,163 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 265 transitions. [2018-04-10 15:23:08,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-04-10 15:23:08,163 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:23:08,163 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:23:08,164 INFO L408 AbstractCegarLoop]: === Iteration 32 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:23:08,164 INFO L82 PathProgramCache]: Analyzing trace with hash 980514842, now seen corresponding path program 1 times [2018-04-10 15:23:08,164 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:23:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:23:08,172 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:23:08,389 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:23:08,389 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:23:08,389 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-10 15:23:08,389 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:23:08,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:08,390 INFO L182 omatonBuilderFactory]: Interpolants [13632#(not (= main_~end~0.base main_~null~0.base)), 13617#true, 13618#false, 13619#(= 0 |main_#t~malloc0.offset|), 13620#(= main_~null~0.offset 0), 13621#(and (= 1 (select |#valid| main_~list~0.base)) (= main_~null~0.offset 0)), 13622#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0)), 13623#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 |main_#t~malloc3.offset|) (= main_~null~0.offset 0) (not (= main_~end~0.base |main_#t~malloc3.base|))), 13624#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 13625#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem4.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 13626#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= main_~null~0.offset 0) (not (= main_~list~0.base |main_#t~mem5.base|)) (= 0 |main_#t~mem5.offset|)), 13627#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0)), 13628#(and (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0)), 13629#(not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)), 13630#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base)), 13631#(not (= |main_#t~mem16.base| main_~null~0.base))] [2018-04-10 15:23:08,390 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:23:08,390 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-10 15:23:08,390 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-10 15:23:08,390 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2018-04-10 15:23:08,390 INFO L87 Difference]: Start difference. First operand 250 states and 265 transitions. Second operand 16 states. [2018-04-10 15:23:08,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:23:08,891 INFO L93 Difference]: Finished difference Result 268 states and 282 transitions. [2018-04-10 15:23:08,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-10 15:23:08,891 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 77 [2018-04-10 15:23:08,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:23:08,892 INFO L225 Difference]: With dead ends: 268 [2018-04-10 15:23:08,892 INFO L226 Difference]: Without dead ends: 268 [2018-04-10 15:23:08,892 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=186, Invalid=684, Unknown=0, NotChecked=0, Total=870 [2018-04-10 15:23:08,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2018-04-10 15:23:08,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 250. [2018-04-10 15:23:08,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2018-04-10 15:23:08,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 264 transitions. [2018-04-10 15:23:08,895 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 264 transitions. Word has length 77 [2018-04-10 15:23:08,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:23:08,896 INFO L459 AbstractCegarLoop]: Abstraction has 250 states and 264 transitions. [2018-04-10 15:23:08,896 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-10 15:23:08,896 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 264 transitions. [2018-04-10 15:23:08,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-04-10 15:23:08,896 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:23:08,896 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:23:08,896 INFO L408 AbstractCegarLoop]: === Iteration 33 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:23:08,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1396004813, now seen corresponding path program 1 times [2018-04-10 15:23:08,897 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:23:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:23:08,908 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:23:09,282 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:09,282 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:23:09,283 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-10 15:23:09,283 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:23:09,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:09,283 INFO L182 omatonBuilderFactory]: Interpolants [14179#true, 14180#false, 14181#(= 1 (select |#valid| main_~list~0.base)), 14182#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 14183#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc3.base|))), 14184#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 14185#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base |main_#t~mem4.base|))), 14186#(and (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 14187#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 14188#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 14189#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base |main_#t~malloc7.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| |main_#t~malloc7.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 14190#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 14191#(and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem8.base|)) (not (= |main_#t~mem8.base| main_~list~0.base))), 14192#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|))), 14193#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 14194#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 14195#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 14196#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|))), 14197#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 14198#(= 1 (select |#valid| |main_#t~mem14.base|)), 14199#(= 1 (select |#valid| main_~end~0.base))] [2018-04-10 15:23:09,283 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:09,284 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-10 15:23:09,284 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-10 15:23:09,284 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2018-04-10 15:23:09,284 INFO L87 Difference]: Start difference. First operand 250 states and 264 transitions. Second operand 21 states. [2018-04-10 15:23:10,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:23:10,323 INFO L93 Difference]: Finished difference Result 308 states and 324 transitions. [2018-04-10 15:23:10,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-10 15:23:10,323 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 78 [2018-04-10 15:23:10,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:23:10,324 INFO L225 Difference]: With dead ends: 308 [2018-04-10 15:23:10,324 INFO L226 Difference]: Without dead ends: 308 [2018-04-10 15:23:10,325 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=279, Invalid=1443, Unknown=0, NotChecked=0, Total=1722 [2018-04-10 15:23:10,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2018-04-10 15:23:10,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 257. [2018-04-10 15:23:10,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-04-10 15:23:10,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 272 transitions. [2018-04-10 15:23:10,327 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 272 transitions. Word has length 78 [2018-04-10 15:23:10,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:23:10,327 INFO L459 AbstractCegarLoop]: Abstraction has 257 states and 272 transitions. [2018-04-10 15:23:10,327 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-10 15:23:10,327 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 272 transitions. [2018-04-10 15:23:10,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-04-10 15:23:10,328 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:23:10,328 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:23:10,328 INFO L408 AbstractCegarLoop]: === Iteration 34 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:23:10,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1396004812, now seen corresponding path program 1 times [2018-04-10 15:23:10,329 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:23:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:23:10,338 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:23:10,847 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:10,847 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:23:10,847 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-10 15:23:10,847 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:23:10,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:10,847 INFO L182 omatonBuilderFactory]: Interpolants [14816#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 14817#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 |main_#t~malloc7.offset|) (not (= main_~list~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base |main_#t~malloc7.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| |main_#t~malloc7.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 14818#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 14819#(and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem8.base|)) (not (= |main_#t~mem8.base| main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 14820#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= 0 |main_#t~mem9.offset|) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 14821#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 14822#(and (= main_~end~0.offset 0) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 14823#(and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) 0) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 14824#(and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (<= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) 0) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 14825#(and (<= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|))) (<= (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|) 0)), 14826#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (<= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0)), 14827#(and (<= 0 |main_#t~mem14.offset|) (= 12 (select |#length| |main_#t~mem14.base|)) (<= |main_#t~mem14.offset| 0)), 14828#(and (<= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base)) (<= 0 main_~end~0.offset)), 14807#true, 14808#false, 14809#(= 1 (select |#valid| main_~list~0.base)), 14810#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 14811#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc3.base|))), 14812#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 14813#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base |main_#t~mem4.base|))), 14814#(and (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 14815#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))] [2018-04-10 15:23:10,848 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:10,848 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-10 15:23:10,848 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-10 15:23:10,848 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2018-04-10 15:23:10,848 INFO L87 Difference]: Start difference. First operand 257 states and 272 transitions. Second operand 22 states. [2018-04-10 15:23:12,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:23:12,126 INFO L93 Difference]: Finished difference Result 313 states and 329 transitions. [2018-04-10 15:23:12,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-10 15:23:12,126 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 78 [2018-04-10 15:23:12,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:23:12,127 INFO L225 Difference]: With dead ends: 313 [2018-04-10 15:23:12,127 INFO L226 Difference]: Without dead ends: 313 [2018-04-10 15:23:12,127 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=184, Invalid=1148, Unknown=0, NotChecked=0, Total=1332 [2018-04-10 15:23:12,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2018-04-10 15:23:12,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 259. [2018-04-10 15:23:12,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-04-10 15:23:12,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 273 transitions. [2018-04-10 15:23:12,130 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 273 transitions. Word has length 78 [2018-04-10 15:23:12,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:23:12,131 INFO L459 AbstractCegarLoop]: Abstraction has 259 states and 273 transitions. [2018-04-10 15:23:12,131 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-10 15:23:12,131 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 273 transitions. [2018-04-10 15:23:12,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-04-10 15:23:12,132 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:23:12,132 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:23:12,132 INFO L408 AbstractCegarLoop]: === Iteration 35 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:23:12,132 INFO L82 PathProgramCache]: Analyzing trace with hash 820460787, now seen corresponding path program 1 times [2018-04-10 15:23:12,133 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:23:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:23:12,143 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:23:12,569 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:12,570 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:23:12,570 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-10 15:23:12,570 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:23:12,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:12,570 INFO L182 omatonBuilderFactory]: Interpolants [15431#true, 15432#false, 15433#(= 0 |main_#t~malloc0.offset|), 15434#(= main_~null~0.offset 0), 15435#(and (= main_~null~0.offset |main_#t~malloc1.offset|) (= |main_#t~malloc1.offset| 0)), 15436#(and (= main_~list~0.offset 0) (= main_~null~0.offset main_~list~0.offset)), 15437#(and (= main_~list~0.offset 0) (= main_~null~0.offset main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base))), 15438#(and (= main_~list~0.offset 0) (= main_~null~0.offset main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base)), 15439#(and (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.offset |main_#t~malloc3.offset|) (= main_~list~0.base main_~end~0.base) (not (= main_~end~0.base |main_#t~malloc3.base|))), 15440#(and (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 15441#(and (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (not (= main_~end~0.base |main_#t~mem4.base|)) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 15442#(and (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 15443#(and (= main_~null~0.offset main_~list~0.offset) (= main_~list~0.offset |main_#t~mem5.offset|) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 15444#(or (and (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)) (and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 15445#(or (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 15446#(or (and (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 15447#(or (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 15448#(or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 15449#(and (= main_~list~0.offset main_~end~0.offset) (or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset main_~end~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (= main_~list~0.base main_~end~0.base)), 15450#(and (= main_~list~0.offset main_~end~0.offset) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~list~0.base main_~end~0.base)), 15451#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem16.base|) (not (= main_~list~0.base |main_#t~mem16.base|))), 15452#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 15453#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1)), 15454#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 15455#(and (= 1 (select |#valid| |main_#t~mem20.base|)) (not (= main_~list~0.base |main_#t~mem20.base|))), 15456#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~end~0.base))), 15457#(= 1 (select |#valid| main_~end~0.base)), 15458#(= 1 (select |#valid| main_~list~0.base))] [2018-04-10 15:23:12,571 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:12,571 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-10 15:23:12,571 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-10 15:23:12,571 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=641, Unknown=0, NotChecked=0, Total=756 [2018-04-10 15:23:12,571 INFO L87 Difference]: Start difference. First operand 259 states and 273 transitions. Second operand 28 states. [2018-04-10 15:23:14,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:23:14,080 INFO L93 Difference]: Finished difference Result 374 states and 396 transitions. [2018-04-10 15:23:14,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-04-10 15:23:14,080 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 79 [2018-04-10 15:23:14,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:23:14,081 INFO L225 Difference]: With dead ends: 374 [2018-04-10 15:23:14,081 INFO L226 Difference]: Without dead ends: 374 [2018-04-10 15:23:14,082 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1027 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=991, Invalid=3041, Unknown=0, NotChecked=0, Total=4032 [2018-04-10 15:23:14,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2018-04-10 15:23:14,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 328. [2018-04-10 15:23:14,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-04-10 15:23:14,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 355 transitions. [2018-04-10 15:23:14,085 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 355 transitions. Word has length 79 [2018-04-10 15:23:14,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:23:14,086 INFO L459 AbstractCegarLoop]: Abstraction has 328 states and 355 transitions. [2018-04-10 15:23:14,086 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-10 15:23:14,086 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 355 transitions. [2018-04-10 15:23:14,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-04-10 15:23:14,086 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:23:14,086 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:23:14,086 INFO L408 AbstractCegarLoop]: === Iteration 36 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:23:14,087 INFO L82 PathProgramCache]: Analyzing trace with hash 820460788, now seen corresponding path program 1 times [2018-04-10 15:23:14,087 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:23:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:23:14,096 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:23:14,568 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:14,568 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:23:14,568 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-10 15:23:14,569 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:23:14,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:14,569 INFO L182 omatonBuilderFactory]: Interpolants [16256#(and (or (= main_~list~0.offset 0) (and (= main_~null~0.offset main_~list~0.offset) (= main_~list~0.base main_~null~0.base))) (or (not (= main_~list~0.offset 0)) (<= 12 (select |#length| main_~list~0.base)))), 16257#(and (= main_~list~0.offset 0) (<= 12 (select |#length| main_~list~0.base))), 16233#true, 16234#false, 16235#(= 0 |main_#t~malloc1.offset|), 16236#(= main_~list~0.offset 0), 16237#(and (= main_~list~0.offset 0) (= 1 (select |#valid| main_~list~0.base))), 16238#(and (= main_~list~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1)), 16239#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.offset |main_#t~malloc3.offset|) (= main_~list~0.base main_~end~0.base) (= 0 |main_#t~malloc3.offset|) (not (= main_~end~0.base |main_#t~malloc3.base|))), 16240#(and (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 16241#(and (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem4.base|)) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 16242#(and (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 16243#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.offset |main_#t~mem5.offset|)), 16244#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 16245#(or (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 16246#(or (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem11.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 16247#(or (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 16248#(or (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 16249#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (or (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 16250#(and (or (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 16251#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (or (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 16252#(and (<= (+ main_~end~0.offset 12) (select |#length| main_~end~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (or (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 16253#(and (or (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 16254#(and (<= 12 (select |#length| |main_#t~mem20.base|)) (or (= 0 |main_#t~mem20.offset|) (and (= main_~null~0.offset |main_#t~mem20.offset|) (= main_~null~0.base |main_#t~mem20.base|)))), 16255#(and (<= 12 (select |#length| main_~end~0.base)) (or (and (= main_~null~0.base main_~end~0.base) (= main_~null~0.offset main_~end~0.offset)) (= 0 main_~end~0.offset)))] [2018-04-10 15:23:14,569 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:14,570 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-10 15:23:14,570 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-10 15:23:14,570 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=512, Unknown=0, NotChecked=0, Total=600 [2018-04-10 15:23:14,570 INFO L87 Difference]: Start difference. First operand 328 states and 355 transitions. Second operand 25 states. [2018-04-10 15:23:15,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:23:15,664 INFO L93 Difference]: Finished difference Result 382 states and 411 transitions. [2018-04-10 15:23:15,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-10 15:23:15,664 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 79 [2018-04-10 15:23:15,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:23:15,665 INFO L225 Difference]: With dead ends: 382 [2018-04-10 15:23:15,665 INFO L226 Difference]: Without dead ends: 382 [2018-04-10 15:23:15,666 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 578 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=532, Invalid=2018, Unknown=0, NotChecked=0, Total=2550 [2018-04-10 15:23:15,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-04-10 15:23:15,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 348. [2018-04-10 15:23:15,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2018-04-10 15:23:15,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 377 transitions. [2018-04-10 15:23:15,669 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 377 transitions. Word has length 79 [2018-04-10 15:23:15,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:23:15,669 INFO L459 AbstractCegarLoop]: Abstraction has 348 states and 377 transitions. [2018-04-10 15:23:15,669 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-10 15:23:15,669 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 377 transitions. [2018-04-10 15:23:15,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-04-10 15:23:15,669 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:23:15,670 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:23:15,670 INFO L408 AbstractCegarLoop]: === Iteration 37 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:23:15,670 INFO L82 PathProgramCache]: Analyzing trace with hash 884887093, now seen corresponding path program 3 times [2018-04-10 15:23:15,670 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:23:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:23:15,679 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:23:16,141 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:16,142 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:23:16,142 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-10 15:23:16,142 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:23:16,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:16,143 INFO L182 omatonBuilderFactory]: Interpolants [17040#true, 17041#false, 17042#(= 1 (select |#valid| main_~list~0.base)), 17043#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 17044#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc3.base|))), 17045#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 17046#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base |main_#t~mem4.base|))), 17047#(and (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 17048#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 17049#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 17050#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base |main_#t~malloc7.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 17051#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 17052#(and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem8.base|)) (not (= |main_#t~mem8.base| main_~list~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 17053#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 17054#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 17055#(and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 17056#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) |main_#t~mem11.offset|) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 17057#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 17058#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 17059#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 17060#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|)))), 17061#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 17062#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|))), 17063#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 17064#(and (= main_~null~0.offset |main_#t~mem16.offset|) (= main_~null~0.base |main_#t~mem16.base|)), 17065#(and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset))] [2018-04-10 15:23:16,143 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:16,143 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-10 15:23:16,143 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-10 15:23:16,143 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=585, Unknown=0, NotChecked=0, Total=650 [2018-04-10 15:23:16,143 INFO L87 Difference]: Start difference. First operand 348 states and 377 transitions. Second operand 26 states. [2018-04-10 15:23:17,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:23:17,498 INFO L93 Difference]: Finished difference Result 404 states and 435 transitions. [2018-04-10 15:23:17,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-10 15:23:17,498 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 82 [2018-04-10 15:23:17,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:23:17,500 INFO L225 Difference]: With dead ends: 404 [2018-04-10 15:23:17,500 INFO L226 Difference]: Without dead ends: 404 [2018-04-10 15:23:17,501 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 616 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=278, Invalid=2478, Unknown=0, NotChecked=0, Total=2756 [2018-04-10 15:23:17,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2018-04-10 15:23:17,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 352. [2018-04-10 15:23:17,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2018-04-10 15:23:17,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 381 transitions. [2018-04-10 15:23:17,504 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 381 transitions. Word has length 82 [2018-04-10 15:23:17,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:23:17,505 INFO L459 AbstractCegarLoop]: Abstraction has 352 states and 381 transitions. [2018-04-10 15:23:17,505 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-10 15:23:17,505 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 381 transitions. [2018-04-10 15:23:17,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-04-10 15:23:17,505 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:23:17,505 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:23:17,505 INFO L408 AbstractCegarLoop]: === Iteration 38 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:23:17,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1079818528, now seen corresponding path program 2 times [2018-04-10 15:23:17,506 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:23:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:23:17,512 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:23:17,581 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:23:17,582 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:23:17,582 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-04-10 15:23:17,582 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:23:17,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:17,582 INFO L182 omatonBuilderFactory]: Interpolants [17876#true, 17877#false, 17878#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base)), 17879#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem16.base|) (= |main_#t~mem16.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 17880#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 17881#(or (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 17882#(or (not (= |main_#t~mem20.base| main_~null~0.base)) (not (= main_~null~0.offset |main_#t~mem20.offset|))), 17883#(or (not (= main_~end~0.base main_~null~0.base)) (not (= main_~null~0.offset main_~end~0.offset))), 17884#(or (not (= main_~null~0.offset main_~list~0.offset)) (not (= main_~list~0.base main_~null~0.base)))] [2018-04-10 15:23:17,582 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:23:17,582 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-10 15:23:17,583 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-10 15:23:17,583 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-04-10 15:23:17,583 INFO L87 Difference]: Start difference. First operand 352 states and 381 transitions. Second operand 9 states. [2018-04-10 15:23:17,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:23:17,890 INFO L93 Difference]: Finished difference Result 387 states and 420 transitions. [2018-04-10 15:23:17,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-10 15:23:17,890 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2018-04-10 15:23:17,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:23:17,891 INFO L225 Difference]: With dead ends: 387 [2018-04-10 15:23:17,891 INFO L226 Difference]: Without dead ends: 387 [2018-04-10 15:23:17,891 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2018-04-10 15:23:17,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2018-04-10 15:23:17,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 352. [2018-04-10 15:23:17,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2018-04-10 15:23:17,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 378 transitions. [2018-04-10 15:23:17,895 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 378 transitions. Word has length 83 [2018-04-10 15:23:17,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:23:17,895 INFO L459 AbstractCegarLoop]: Abstraction has 352 states and 378 transitions. [2018-04-10 15:23:17,895 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-10 15:23:17,895 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 378 transitions. [2018-04-10 15:23:17,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-04-10 15:23:17,896 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:23:17,896 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:23:17,896 INFO L408 AbstractCegarLoop]: === Iteration 39 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:23:17,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1953479559, now seen corresponding path program 2 times [2018-04-10 15:23:17,897 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:23:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:23:17,908 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:23:18,352 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:18,352 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:23:18,353 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-10 15:23:18,353 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:23:18,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:18,353 INFO L182 omatonBuilderFactory]: Interpolants [18638#true, 18639#false, 18640#(= 1 (select |#valid| main_~list~0.base)), 18641#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 18642#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc3.base|))), 18643#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 18644#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base |main_#t~mem4.base|))), 18645#(and (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 18646#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 18647#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 18648#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base |main_#t~malloc7.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 18649#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 18650#(and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem8.base|)) (not (= |main_#t~mem8.base| main_~list~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 18651#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 18652#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 18653#(and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 18654#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) |main_#t~mem11.offset|) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 18655#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 18656#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 18657#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 18658#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|)))), 18659#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 18660#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|))), 18661#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 18662#(and (= main_~null~0.offset |main_#t~mem14.offset|) (= main_~null~0.base |main_#t~mem14.base|)), 18663#(and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset))] [2018-04-10 15:23:18,353 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:18,354 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-10 15:23:18,354 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-10 15:23:18,354 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=585, Unknown=0, NotChecked=0, Total=650 [2018-04-10 15:23:18,354 INFO L87 Difference]: Start difference. First operand 352 states and 378 transitions. Second operand 26 states. [2018-04-10 15:23:19,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:23:19,657 INFO L93 Difference]: Finished difference Result 406 states and 433 transitions. [2018-04-10 15:23:19,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-10 15:23:19,657 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 84 [2018-04-10 15:23:19,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:23:19,658 INFO L225 Difference]: With dead ends: 406 [2018-04-10 15:23:19,658 INFO L226 Difference]: Without dead ends: 402 [2018-04-10 15:23:19,659 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 586 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=271, Invalid=2381, Unknown=0, NotChecked=0, Total=2652 [2018-04-10 15:23:19,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2018-04-10 15:23:19,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 351. [2018-04-10 15:23:19,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2018-04-10 15:23:19,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 376 transitions. [2018-04-10 15:23:19,662 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 376 transitions. Word has length 84 [2018-04-10 15:23:19,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:23:19,662 INFO L459 AbstractCegarLoop]: Abstraction has 351 states and 376 transitions. [2018-04-10 15:23:19,662 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-10 15:23:19,662 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 376 transitions. [2018-04-10 15:23:19,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-04-10 15:23:19,663 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:23:19,663 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:23:19,663 INFO L408 AbstractCegarLoop]: === Iteration 40 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:23:19,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1241766118, now seen corresponding path program 1 times [2018-04-10 15:23:19,663 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:23:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:23:19,672 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:23:20,025 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:20,025 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:23:20,025 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-10 15:23:20,026 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:23:20,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:20,026 INFO L182 omatonBuilderFactory]: Interpolants [19473#true, 19474#false, 19475#(= 1 (select |#valid| main_~list~0.base)), 19476#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 19477#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc3.base|))), 19478#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 19479#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base |main_#t~mem4.base|))), 19480#(and (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 19481#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 19482#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 19483#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base |main_#t~malloc7.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 19484#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 19485#(and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem8.base|)) (not (= |main_#t~mem8.base| main_~list~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 19486#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 19487#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 19488#(and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 19489#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) |main_#t~mem11.offset|) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 19490#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 19491#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 19492#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 19493#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|)))), 19494#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 19495#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) |main_#t~mem14.offset|)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) |main_#t~mem14.offset|))), 19496#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 19497#(and (= main_~null~0.offset |main_#t~mem16.offset|) (= main_~null~0.base |main_#t~mem16.base|)), 19498#(and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset))] [2018-04-10 15:23:20,026 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:20,026 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-10 15:23:20,026 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-10 15:23:20,026 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=585, Unknown=0, NotChecked=0, Total=650 [2018-04-10 15:23:20,026 INFO L87 Difference]: Start difference. First operand 351 states and 376 transitions. Second operand 26 states. [2018-04-10 15:23:21,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:23:21,071 INFO L93 Difference]: Finished difference Result 378 states and 403 transitions. [2018-04-10 15:23:21,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-10 15:23:21,071 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 85 [2018-04-10 15:23:21,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:23:21,072 INFO L225 Difference]: With dead ends: 378 [2018-04-10 15:23:21,072 INFO L226 Difference]: Without dead ends: 378 [2018-04-10 15:23:21,072 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 530 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=248, Invalid=2202, Unknown=0, NotChecked=0, Total=2450 [2018-04-10 15:23:21,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2018-04-10 15:23:21,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 350. [2018-04-10 15:23:21,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2018-04-10 15:23:21,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 375 transitions. [2018-04-10 15:23:21,075 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 375 transitions. Word has length 85 [2018-04-10 15:23:21,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:23:21,075 INFO L459 AbstractCegarLoop]: Abstraction has 350 states and 375 transitions. [2018-04-10 15:23:21,075 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-10 15:23:21,075 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 375 transitions. [2018-04-10 15:23:21,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-04-10 15:23:21,075 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:23:21,075 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:23:21,076 INFO L408 AbstractCegarLoop]: === Iteration 41 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:23:21,076 INFO L82 PathProgramCache]: Analyzing trace with hash -2111763615, now seen corresponding path program 1 times [2018-04-10 15:23:21,076 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:23:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:23:21,082 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:23:22,168 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:22,168 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:23:22,168 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-10 15:23:22,169 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:23:22,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:22,169 INFO L182 omatonBuilderFactory]: Interpolants [20288#(and (= main_~list~0.offset |main_#t~mem5.offset|) (or (= main_~null~0.base |main_#t~mem5.base|) (= main_~null~0.base main_~list~0.base) (and (= 1 (select |#valid| main_~null~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|))) (= main_~null~0.offset 0) (= 0 |main_#t~mem5.offset|)), 20289#(or (and (= main_~null~0.offset main_~list~0.offset) (or (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base main_~list~0.base) (= main_~end~0.base main_~null~0.base)) (= main_~end~0.offset 0) (= main_~null~0.offset 0)) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 20290#(or (and (= main_~null~0.offset main_~list~0.offset) (or (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base main_~list~0.base) (= main_~end~0.base main_~null~0.base)) (= main_~end~0.offset 0) (= main_~null~0.offset 0)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem11.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 20291#(or (and (= main_~null~0.offset main_~list~0.offset) (or (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base main_~list~0.base) (= main_~end~0.base main_~null~0.base)) (= main_~end~0.offset 0) (= main_~null~0.offset 0)) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 20292#(or (and (= main_~null~0.offset main_~list~0.offset) (or (and (= 1 (select |#valid| main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base))) (= main_~null~0.base main_~list~0.base))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 20293#(or (and (or (= main_~end~0.base main_~null~0.base) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) main_~null~0.base)))) (= main_~null~0.offset main_~end~0.offset)) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 20294#(or (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) main_~null~0.base)) (not (= main_~list~0.base main_~null~0.base))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 20295#(or (and (= 1 (select |#valid| main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem16.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base main_~null~0.base))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 20296#(or (and (= 1 (select |#valid| main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base main_~null~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 20297#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 1 (select |#valid| main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem16.base|) (not (= main_~list~0.base main_~null~0.base)))), 20298#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 1 (select |#valid| main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base) (not (= main_~list~0.base main_~null~0.base)))), 20299#(or (and (= 1 (select |#valid| main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= main_~list~0.base main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 20300#(or (and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base main_~null~0.base))) (and (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base |main_#t~mem20.base|))), 20301#(or (and (= 1 (select |#valid| main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base main_~null~0.base))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 20302#(or (and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base main_~null~0.base)) (not (= main_~list~0.base main_~null~0.base))) (and (= main_~null~0.base main_~end~0.base) (= main_~null~0.offset main_~end~0.offset))), 20303#(or (and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base main_~null~0.base))) (and (= main_~null~0.base main_~end~0.base) (= main_~null~0.offset main_~end~0.offset))), 20304#(or (and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base main_~null~0.base))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~list~0.base main_~null~0.base))), 20305#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 20306#(and (= 1 (select |#valid| |main_#t~mem18.base|)) (not (= main_~list~0.base |main_#t~mem18.base|))), 20307#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~end~0.base))), 20308#(= 1 (select |#valid| main_~end~0.base)), 20275#true, 20276#false, 20277#(= 0 |main_#t~malloc0.offset|), 20278#(= main_~null~0.offset 0), 20279#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.offset 0)), 20280#(and (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base |main_#t~malloc1.base|)) (= 0 |main_#t~malloc1.offset|) (= main_~null~0.offset 0)), 20281#(and (= main_~null~0.offset main_~list~0.offset) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset 0)), 20282#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.offset main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (= main_~null~0.offset 0)), 20283#(and (= main_~null~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (or (and (= main_~list~0.offset main_~end~0.offset) (= 1 (select |#valid| main_~null~0.base))) (= main_~null~0.base main_~list~0.base)) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0)), 20284#(and (= main_~list~0.offset |main_#t~malloc3.offset|) (= main_~list~0.base main_~end~0.base) (or (= main_~null~0.base |main_#t~malloc3.base|) (and (= main_~list~0.offset main_~end~0.offset) (= 1 (select |#valid| main_~null~0.base))) (= main_~null~0.base main_~list~0.base)) (= 0 |main_#t~malloc3.offset|) (= main_~null~0.offset 0) (not (= main_~end~0.base |main_#t~malloc3.base|))), 20285#(and (= main_~list~0.base main_~end~0.base) (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (and (= main_~list~0.offset main_~end~0.offset) (= 1 (select |#valid| main_~null~0.base))) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 20286#(and (= main_~list~0.base main_~end~0.base) (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (and (= main_~list~0.offset main_~end~0.offset) (= 1 (select |#valid| main_~null~0.base))) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset 0) (not (= main_~end~0.base |main_#t~mem4.base|)) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 20287#(and (= main_~list~0.base main_~end~0.base) (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (and (= main_~list~0.offset main_~end~0.offset) (= 1 (select |#valid| main_~null~0.base))) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset 0) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))] [2018-04-10 15:23:22,169 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:22,169 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-10 15:23:22,169 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-10 15:23:22,169 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1033, Unknown=0, NotChecked=0, Total=1122 [2018-04-10 15:23:22,170 INFO L87 Difference]: Start difference. First operand 350 states and 375 transitions. Second operand 34 states. [2018-04-10 15:23:24,388 WARN L151 SmtUtils]: Spent 128ms on a formula simplification. DAG size of input: 98 DAG size of output 73 [2018-04-10 15:23:25,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:23:25,635 INFO L93 Difference]: Finished difference Result 377 states and 403 transitions. [2018-04-10 15:23:25,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-04-10 15:23:25,635 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 86 [2018-04-10 15:23:25,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:23:25,636 INFO L225 Difference]: With dead ends: 377 [2018-04-10 15:23:25,636 INFO L226 Difference]: Without dead ends: 377 [2018-04-10 15:23:25,637 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1339 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=964, Invalid=5356, Unknown=0, NotChecked=0, Total=6320 [2018-04-10 15:23:25,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2018-04-10 15:23:25,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 353. [2018-04-10 15:23:25,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2018-04-10 15:23:25,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 379 transitions. [2018-04-10 15:23:25,640 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 379 transitions. Word has length 86 [2018-04-10 15:23:25,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:23:25,640 INFO L459 AbstractCegarLoop]: Abstraction has 353 states and 379 transitions. [2018-04-10 15:23:25,640 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-10 15:23:25,640 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 379 transitions. [2018-04-10 15:23:25,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-04-10 15:23:25,641 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:23:25,641 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:23:25,641 INFO L408 AbstractCegarLoop]: === Iteration 42 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:23:25,641 INFO L82 PathProgramCache]: Analyzing trace with hash -2111763614, now seen corresponding path program 1 times [2018-04-10 15:23:25,641 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:23:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:23:25,648 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:23:26,531 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:26,531 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:23:26,531 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-10 15:23:26,531 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:23:26,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:26,531 INFO L182 omatonBuilderFactory]: Interpolants [21131#true, 21132#false, 21133#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 21134#(and (= 12 (select |#length| main_~null~0.base)) (= main_~null~0.offset 0)), 21135#(and (= 0 |main_#t~malloc1.offset|) (or (and (= 12 (select |#length| main_~null~0.base)) (= main_~null~0.offset 0)) (and (= main_~null~0.offset |main_#t~malloc1.offset|) (= main_~null~0.base |main_#t~malloc1.base|)))), 21136#(and (= main_~list~0.offset 0) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= 12 (select |#length| main_~null~0.base)) (= main_~null~0.offset 0)))), 21137#(and (= main_~list~0.offset 0) (= 1 (select |#valid| main_~list~0.base)) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= 12 (select |#length| main_~null~0.base)) (= main_~null~0.offset 0)))), 21138#(and (= main_~list~0.offset 0) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= 12 (select |#length| main_~null~0.base)) (= main_~null~0.offset 0)))), 21139#(and (= 0 main_~null~0.offset) (= main_~list~0.offset |main_#t~malloc3.offset|) (= main_~list~0.base main_~end~0.base) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (= 12 (select |#length| main_~null~0.base)) (and (= main_~null~0.base |main_#t~malloc3.base|) (= 0 |main_#t~malloc3.offset|))) (not (= main_~end~0.base |main_#t~malloc3.base|))), 21140#(and (= 0 main_~null~0.offset) (= main_~list~0.base main_~end~0.base) (or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (= 12 (select |#length| main_~null~0.base))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 21141#(and (= 0 main_~null~0.offset) (= main_~list~0.base main_~end~0.base) (or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (= 12 (select |#length| main_~null~0.base))) (not (= main_~end~0.base |main_#t~mem4.base|)) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 21142#(and (= 0 main_~null~0.offset) (= main_~list~0.base main_~end~0.base) (or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (= 12 (select |#length| main_~null~0.base))) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 21143#(and (= 0 main_~null~0.offset) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~null~0.base |main_#t~mem5.base|) (= main_~list~0.offset |main_#t~mem5.offset|) (= 0 |main_#t~mem5.offset|)) (= 12 (select |#length| main_~null~0.base)))), 21144#(and (= 0 main_~null~0.offset) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (= 12 (select |#length| main_~null~0.base)) (and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.base main_~null~0.base)) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)))), 21145#(and (= 0 main_~null~0.offset) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~end~0.offset 0) (= main_~end~0.base main_~null~0.base)) (= 12 (select |#length| main_~null~0.base)) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)))), 21146#(and (= 0 main_~null~0.offset) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~end~0.offset 0) (= main_~end~0.base main_~null~0.base)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem11.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| main_~null~0.base)))), 21147#(and (= 0 main_~null~0.offset) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~end~0.offset 0) (= main_~end~0.base main_~null~0.base)) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| main_~null~0.base)))), 21148#(and (= 0 main_~null~0.offset) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (= 12 (select |#length| main_~null~0.base)) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 21149#(and (= 0 main_~null~0.offset) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (= 12 (select |#length| main_~null~0.base)) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 21150#(and (= 0 main_~null~0.offset) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (or (= 12 (select |#length| main_~null~0.base)) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 21151#(and (= 0 main_~null~0.offset) (or (= 12 (select |#length| main_~null~0.base)) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem16.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 21152#(and (= 0 main_~null~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (or (= 12 (select |#length| main_~null~0.base)) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 21153#(and (or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem16.base|) (= 12 (select |#length| main_~null~0.base))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= 0 main_~null~0.offset) (= |main_#t~mem16.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 21154#(and (= 0 main_~null~0.offset) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base) (= 12 (select |#length| main_~null~0.base))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 21155#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (or (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 21156#(and (or (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (and (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base |main_#t~mem20.base|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 21157#(and (or (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 21158#(and (or (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (= main_~null~0.base main_~end~0.base) (= main_~null~0.offset main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 21159#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~list~0.base main_~null~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 21160#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 21161#(and (= 12 (select |#length| |main_#t~mem18.base|)) (= 0 |main_#t~mem18.offset|)), 21162#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base)))] [2018-04-10 15:23:26,532 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:26,532 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-10 15:23:26,532 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-10 15:23:26,532 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=881, Unknown=0, NotChecked=0, Total=992 [2018-04-10 15:23:26,532 INFO L87 Difference]: Start difference. First operand 353 states and 379 transitions. Second operand 32 states. [2018-04-10 15:23:28,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:23:28,870 INFO L93 Difference]: Finished difference Result 479 states and 522 transitions. [2018-04-10 15:23:28,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-04-10 15:23:28,871 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 86 [2018-04-10 15:23:28,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:23:28,872 INFO L225 Difference]: With dead ends: 479 [2018-04-10 15:23:28,872 INFO L226 Difference]: Without dead ends: 479 [2018-04-10 15:23:28,872 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 746 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=769, Invalid=3263, Unknown=0, NotChecked=0, Total=4032 [2018-04-10 15:23:28,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2018-04-10 15:23:28,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 400. [2018-04-10 15:23:28,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2018-04-10 15:23:28,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 442 transitions. [2018-04-10 15:23:28,876 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 442 transitions. Word has length 86 [2018-04-10 15:23:28,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:23:28,876 INFO L459 AbstractCegarLoop]: Abstraction has 400 states and 442 transitions. [2018-04-10 15:23:28,876 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-10 15:23:28,876 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 442 transitions. [2018-04-10 15:23:28,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-04-10 15:23:28,876 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:23:28,877 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:23:28,877 INFO L408 AbstractCegarLoop]: === Iteration 43 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:23:28,877 INFO L82 PathProgramCache]: Analyzing trace with hash 2023503019, now seen corresponding path program 3 times [2018-04-10 15:23:28,877 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:23:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:23:28,888 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:23:29,171 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:29,171 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:23:29,171 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-10 15:23:29,172 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:23:29,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:29,172 INFO L182 omatonBuilderFactory]: Interpolants [22112#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~end~0.base |main_#t~mem4.base|))), 22113#(and (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 22114#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 22115#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 22116#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc3.base|)) (not (= main_~end~0.base |main_#t~malloc3.base|))), 22117#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 22118#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= |main_#t~mem4.base| main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base)) (not (= main_~end~0.base |main_#t~mem4.base|))), 22119#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 22120#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem5.base|))), 22121#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 22122#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 22123#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 22124#(= 1 (select |#valid| |main_#t~mem16.base|)), 22125#(= 1 (select |#valid| main_~end~0.base)), 22106#true, 22107#false, 22108#(= 1 (select |#valid| main_~list~0.base)), 22109#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1)), 22110#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (not (= main_~end~0.base |main_#t~malloc3.base|))), 22111#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1))] [2018-04-10 15:23:29,172 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:29,173 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-10 15:23:29,173 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-10 15:23:29,173 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2018-04-10 15:23:29,173 INFO L87 Difference]: Start difference. First operand 400 states and 442 transitions. Second operand 20 states. [2018-04-10 15:23:29,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:23:29,957 INFO L93 Difference]: Finished difference Result 451 states and 485 transitions. [2018-04-10 15:23:29,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-10 15:23:29,957 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 86 [2018-04-10 15:23:29,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:23:29,958 INFO L225 Difference]: With dead ends: 451 [2018-04-10 15:23:29,958 INFO L226 Difference]: Without dead ends: 451 [2018-04-10 15:23:29,959 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=301, Invalid=1181, Unknown=0, NotChecked=0, Total=1482 [2018-04-10 15:23:29,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2018-04-10 15:23:29,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 400. [2018-04-10 15:23:29,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2018-04-10 15:23:29,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 441 transitions. [2018-04-10 15:23:29,963 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 441 transitions. Word has length 86 [2018-04-10 15:23:29,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:23:29,963 INFO L459 AbstractCegarLoop]: Abstraction has 400 states and 441 transitions. [2018-04-10 15:23:29,963 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-10 15:23:29,963 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 441 transitions. [2018-04-10 15:23:29,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-04-10 15:23:29,964 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:23:29,964 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:23:29,964 INFO L408 AbstractCegarLoop]: === Iteration 44 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:23:29,964 INFO L82 PathProgramCache]: Analyzing trace with hash 2023503020, now seen corresponding path program 2 times [2018-04-10 15:23:29,965 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:23:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:23:29,972 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:23:30,239 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:30,239 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:23:30,239 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-10 15:23:30,239 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:23:30,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:30,240 INFO L182 omatonBuilderFactory]: Interpolants [23015#true, 23016#false, 23017#(= 1 (select |#valid| main_~list~0.base)), 23018#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 23019#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 |main_#t~malloc3.offset|) (not (= main_~end~0.base |main_#t~malloc3.base|)) (= 12 (select |#length| |main_#t~malloc3.base|))), 23020#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 23021#(and (= 12 (select |#length| |main_#t~mem4.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem4.base|))), 23022#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| |main_#t~mem5.base|)) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 23023#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 23024#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base)) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 23025#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc3.base|)) (= 12 (select |#length| main_~end~0.base)) (not (= main_~end~0.base |main_#t~malloc3.base|))), 23026#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 23027#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= |main_#t~mem4.base| main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base)) (not (= main_~end~0.base |main_#t~mem4.base|))), 23028#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| main_~end~0.base))), 23029#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem5.base|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 23030#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 23031#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 23032#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 23033#(and (= 12 (select |#length| |main_#t~mem16.base|)) (= 0 |main_#t~mem16.offset|)), 23034#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base)))] [2018-04-10 15:23:30,240 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:30,240 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-10 15:23:30,240 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-10 15:23:30,240 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2018-04-10 15:23:30,240 INFO L87 Difference]: Start difference. First operand 400 states and 441 transitions. Second operand 20 states. [2018-04-10 15:23:30,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:23:30,979 INFO L93 Difference]: Finished difference Result 447 states and 480 transitions. [2018-04-10 15:23:30,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-10 15:23:30,979 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 86 [2018-04-10 15:23:30,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:23:30,980 INFO L225 Difference]: With dead ends: 447 [2018-04-10 15:23:30,980 INFO L226 Difference]: Without dead ends: 447 [2018-04-10 15:23:30,981 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=214, Invalid=908, Unknown=0, NotChecked=0, Total=1122 [2018-04-10 15:23:30,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2018-04-10 15:23:30,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 401. [2018-04-10 15:23:30,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2018-04-10 15:23:30,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 440 transitions. [2018-04-10 15:23:30,985 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 440 transitions. Word has length 86 [2018-04-10 15:23:30,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:23:30,985 INFO L459 AbstractCegarLoop]: Abstraction has 401 states and 440 transitions. [2018-04-10 15:23:30,985 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-10 15:23:30,985 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 440 transitions. [2018-04-10 15:23:30,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-04-10 15:23:30,986 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:23:30,986 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:23:30,986 INFO L408 AbstractCegarLoop]: === Iteration 45 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:23:30,986 INFO L82 PathProgramCache]: Analyzing trace with hash -290253456, now seen corresponding path program 1 times [2018-04-10 15:23:30,987 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:23:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:23:31,000 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:23:31,529 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:23:31,529 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:23:31,529 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-10 15:23:31,529 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:23:31,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:31,530 INFO L182 omatonBuilderFactory]: Interpolants [23936#(not (= main_~null~0.base |main_#t~mem16.base|)), 23937#(not (= main_~null~0.base main_~end~0.base)), 23911#true, 23912#false, 23913#(= 0 |main_#t~malloc0.offset|), 23914#(= main_~null~0.offset 0), 23915#(and (= (select |#valid| main_~null~0.base) 1) (= main_~null~0.offset 0)), 23916#(and (or (= main_~null~0.offset |main_#t~malloc1.offset|) (not (= main_~null~0.base |main_#t~malloc1.base|))) (or (= main_~null~0.base |main_#t~malloc1.base|) (= (select |#valid| main_~null~0.base) 1))), 23917#(or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (= (select |#valid| main_~null~0.base) 1)), 23918#(and (= 1 (select |#valid| main_~list~0.base)) (= (select |#valid| main_~null~0.base) 1)), 23919#(and (= (select |#valid| main_~end~0.base) 1) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~null~0.base) 1)))), 23920#(and (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (not (= main_~null~0.base |main_#t~malloc3.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base))) (not (= main_~end~0.base |main_#t~malloc3.base|))), 23921#(and (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (not (= (select |#valid| main_~list~0.base) 0)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 23922#(and (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= (select |#valid| main_~list~0.base) 0)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))) (not (= main_~end~0.base |main_#t~mem4.base|))), 23923#(or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (not (= (select |#valid| main_~list~0.base) 0)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))), 23924#(or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= (select |#valid| main_~list~0.base) 0)) (not (= main_~list~0.base |main_#t~mem5.base|)))), 23925#(or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= (select |#valid| main_~list~0.base) 0)))), 23926#(or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= (select |#valid| main_~list~0.base) 0)) (not (= (select |#valid| main_~end~0.base) 0)))), 23927#(or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base |main_#t~malloc7.base|)))), 23928#(or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))), 23929#(or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~mem8.base|)) (not (= |main_#t~mem8.base| main_~list~0.base))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base))), 23930#(or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base))), 23931#(or (and (not (= main_~list~0.base |main_#t~mem9.base|)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base))), 23932#(or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (not (= main_~list~0.base main_~end~0.base)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 23933#(or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 23934#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 23935#(not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))] [2018-04-10 15:23:31,530 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:23:31,530 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-10 15:23:31,530 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-10 15:23:31,530 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=620, Unknown=0, NotChecked=0, Total=702 [2018-04-10 15:23:31,531 INFO L87 Difference]: Start difference. First operand 401 states and 440 transitions. Second operand 27 states. [2018-04-10 15:23:33,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:23:33,091 INFO L93 Difference]: Finished difference Result 425 states and 463 transitions. [2018-04-10 15:23:33,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-10 15:23:33,091 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 86 [2018-04-10 15:23:33,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:23:33,092 INFO L225 Difference]: With dead ends: 425 [2018-04-10 15:23:33,092 INFO L226 Difference]: Without dead ends: 425 [2018-04-10 15:23:33,092 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 377 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=511, Invalid=2141, Unknown=0, NotChecked=0, Total=2652 [2018-04-10 15:23:33,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2018-04-10 15:23:33,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 401. [2018-04-10 15:23:33,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2018-04-10 15:23:33,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 439 transitions. [2018-04-10 15:23:33,094 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 439 transitions. Word has length 86 [2018-04-10 15:23:33,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:23:33,095 INFO L459 AbstractCegarLoop]: Abstraction has 401 states and 439 transitions. [2018-04-10 15:23:33,095 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-10 15:23:33,095 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 439 transitions. [2018-04-10 15:23:33,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-04-10 15:23:33,095 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:23:33,095 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:23:33,095 INFO L408 AbstractCegarLoop]: === Iteration 46 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:23:33,095 INFO L82 PathProgramCache]: Analyzing trace with hash -617161526, now seen corresponding path program 1 times [2018-04-10 15:23:33,096 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:23:33,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:23:33,102 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:23:33,187 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:23:33,187 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:23:33,187 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-04-10 15:23:33,187 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:23:33,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:33,188 INFO L182 omatonBuilderFactory]: Interpolants [24816#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base)), 24817#(and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem16.offset|)), 24818#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 24819#(and (<= (+ main_~end~0.offset 12) (select |#length| main_~end~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 24820#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 24821#(and (<= (+ |main_#t~mem20.offset| 12) (select |#length| |main_#t~mem20.base|)) (<= 0 |main_#t~mem20.offset|)), 24822#(and (<= (+ main_~end~0.offset 12) (select |#length| main_~end~0.base)) (<= 0 main_~end~0.offset)), 24823#(and (<= 0 main_~list~0.offset) (<= (+ main_~list~0.offset 12) (select |#length| main_~list~0.base))), 24814#true, 24815#false] [2018-04-10 15:23:33,188 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:23:33,188 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-10 15:23:33,188 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-10 15:23:33,188 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-04-10 15:23:33,188 INFO L87 Difference]: Start difference. First operand 401 states and 439 transitions. Second operand 10 states. [2018-04-10 15:23:33,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:23:33,485 INFO L93 Difference]: Finished difference Result 447 states and 480 transitions. [2018-04-10 15:23:33,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-10 15:23:33,485 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 88 [2018-04-10 15:23:33,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:23:33,486 INFO L225 Difference]: With dead ends: 447 [2018-04-10 15:23:33,486 INFO L226 Difference]: Without dead ends: 447 [2018-04-10 15:23:33,486 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2018-04-10 15:23:33,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2018-04-10 15:23:33,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 405. [2018-04-10 15:23:33,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2018-04-10 15:23:33,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 441 transitions. [2018-04-10 15:23:33,489 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 441 transitions. Word has length 88 [2018-04-10 15:23:33,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:23:33,489 INFO L459 AbstractCegarLoop]: Abstraction has 405 states and 441 transitions. [2018-04-10 15:23:33,489 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-10 15:23:33,489 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 441 transitions. [2018-04-10 15:23:33,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-04-10 15:23:33,490 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:23:33,490 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:23:33,490 INFO L408 AbstractCegarLoop]: === Iteration 47 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:23:33,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1364990286, now seen corresponding path program 2 times [2018-04-10 15:23:33,490 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:23:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:23:33,496 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:23:33,602 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 24 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:23:33,602 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:23:33,602 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-10 15:23:33,602 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:23:33,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:33,602 INFO L182 omatonBuilderFactory]: Interpolants [25696#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 25697#(and (= main_~null~0.offset |main_#t~mem20.offset|) (= main_~null~0.base |main_#t~mem20.base|)), 25698#(and (= main_~null~0.base main_~end~0.base) (= main_~null~0.offset main_~end~0.offset)), 25699#(and (= main_~null~0.offset main_~list~0.offset) (= main_~list~0.base main_~null~0.base)), 25686#true, 25687#false, 25688#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base)), 25689#(and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem16.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 25690#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 25691#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem16.offset|) (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 25692#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.offset)), 25693#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 25694#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 25695#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))] [2018-04-10 15:23:33,602 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 24 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:23:33,603 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-10 15:23:33,603 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-10 15:23:33,603 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-04-10 15:23:33,603 INFO L87 Difference]: Start difference. First operand 405 states and 441 transitions. Second operand 14 states. [2018-04-10 15:23:34,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:23:34,128 INFO L93 Difference]: Finished difference Result 461 states and 498 transitions. [2018-04-10 15:23:34,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-10 15:23:34,128 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 89 [2018-04-10 15:23:34,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:23:34,129 INFO L225 Difference]: With dead ends: 461 [2018-04-10 15:23:34,129 INFO L226 Difference]: Without dead ends: 461 [2018-04-10 15:23:34,129 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=474, Unknown=0, NotChecked=0, Total=552 [2018-04-10 15:23:34,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2018-04-10 15:23:34,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 413. [2018-04-10 15:23:34,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2018-04-10 15:23:34,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 450 transitions. [2018-04-10 15:23:34,132 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 450 transitions. Word has length 89 [2018-04-10 15:23:34,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:23:34,132 INFO L459 AbstractCegarLoop]: Abstraction has 413 states and 450 transitions. [2018-04-10 15:23:34,132 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-10 15:23:34,132 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 450 transitions. [2018-04-10 15:23:34,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-10 15:23:34,133 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:23:34,133 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2018-04-10 15:23:34,133 INFO L408 AbstractCegarLoop]: === Iteration 48 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:23:34,133 INFO L82 PathProgramCache]: Analyzing trace with hash -634974471, now seen corresponding path program 1 times [2018-04-10 15:23:34,133 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:23:34,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:23:34,139 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:23:34,814 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:23:34,814 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:23:34,814 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-10 15:23:34,815 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:23:34,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:34,815 INFO L182 omatonBuilderFactory]: Interpolants [26595#true, 26596#false, 26597#(= 0 |main_#t~malloc0.offset|), 26598#(= main_~null~0.offset 0), 26599#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.offset 0)), 26600#(and (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base |main_#t~malloc1.base|)) (= 0 |main_#t~malloc1.offset|) (= main_~null~0.offset 0)), 26601#(and (= main_~null~0.offset main_~list~0.offset) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset 0)), 26602#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.offset main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (= main_~null~0.offset 0)), 26603#(and (= main_~null~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (or (and (= main_~list~0.offset main_~end~0.offset) (= 1 (select |#valid| main_~null~0.base))) (= main_~null~0.base main_~list~0.base)) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0)), 26604#(and (= main_~list~0.offset |main_#t~malloc3.offset|) (= main_~list~0.base main_~end~0.base) (or (= main_~null~0.base |main_#t~malloc3.base|) (and (= main_~list~0.offset main_~end~0.offset) (= 1 (select |#valid| main_~null~0.base))) (= main_~null~0.base main_~list~0.base)) (= 0 |main_#t~malloc3.offset|) (= main_~null~0.offset 0) (not (= main_~end~0.base |main_#t~malloc3.base|))), 26605#(and (= main_~list~0.base main_~end~0.base) (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (and (= main_~list~0.offset main_~end~0.offset) (= 1 (select |#valid| main_~null~0.base))) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 26606#(and (= main_~list~0.base main_~end~0.base) (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (and (= main_~list~0.offset main_~end~0.offset) (= 1 (select |#valid| main_~null~0.base))) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset 0) (not (= main_~end~0.base |main_#t~mem4.base|)) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 26607#(and (= main_~list~0.base main_~end~0.base) (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (and (= main_~list~0.offset main_~end~0.offset) (= 1 (select |#valid| main_~null~0.base))) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset 0) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 26608#(and (= main_~list~0.offset |main_#t~mem5.offset|) (or (= main_~null~0.base |main_#t~mem5.base|) (= main_~null~0.base main_~list~0.base) (and (= 1 (select |#valid| main_~null~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|))) (= main_~null~0.offset 0) (= 0 |main_#t~mem5.offset|)), 26609#(or (and (= main_~null~0.offset main_~list~0.offset) (or (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base main_~list~0.base) (= main_~end~0.base main_~null~0.base)) (= main_~end~0.offset 0) (= main_~null~0.offset 0)) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 26610#(or (and (= main_~null~0.offset main_~list~0.offset) (or (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base main_~list~0.base) (= main_~end~0.base main_~null~0.base)) (= main_~end~0.offset 0) (= main_~null~0.offset 0)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem11.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 26611#(or (and (= main_~null~0.offset main_~list~0.offset) (or (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base main_~list~0.base) (= main_~end~0.base main_~null~0.base)) (= main_~end~0.offset 0) (= main_~null~0.offset 0)) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 26612#(or (and (= main_~null~0.offset main_~list~0.offset) (or (and (= 1 (select |#valid| main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base))) (= main_~null~0.base main_~list~0.base))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 26613#(or (and (= main_~null~0.offset main_~end~0.offset) (or (and (= 1 (select |#valid| main_~null~0.base)) (= main_~list~0.base main_~end~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) main_~null~0.base))) (= main_~end~0.base main_~null~0.base))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 26614#(or (and (= 1 (select |#valid| main_~null~0.base)) (= main_~list~0.base main_~end~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) main_~null~0.base)) (not (= main_~list~0.base main_~null~0.base))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 26615#(or (and (= 1 (select |#valid| main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= main_~list~0.base main_~null~0.base))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 26616#(or (and (= 1 (select |#valid| main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base main_~null~0.base))) (and (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base |main_#t~mem20.base|))), 26617#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= 1 (select |#valid| main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base main_~null~0.base)))), 26618#(or (and (= main_~null~0.base main_~end~0.base) (= main_~null~0.offset main_~end~0.offset)) (and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~end~0.base main_~null~0.base)) (not (= main_~list~0.base main_~null~0.base)))), 26619#(or (and (= main_~null~0.base main_~end~0.base) (= main_~null~0.offset main_~end~0.offset)) (and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~end~0.base main_~null~0.base)))), 26620#(or (and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~list~0.base main_~null~0.base))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~list~0.base main_~null~0.base))), 26621#(and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~list~0.base main_~null~0.base))), 26622#(= 1 (select |#valid| main_~null~0.base))] [2018-04-10 15:23:34,815 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:23:34,815 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-10 15:23:34,815 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-10 15:23:34,815 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=672, Unknown=0, NotChecked=0, Total=756 [2018-04-10 15:23:34,816 INFO L87 Difference]: Start difference. First operand 413 states and 450 transitions. Second operand 28 states. [2018-04-10 15:23:37,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:23:37,409 INFO L93 Difference]: Finished difference Result 473 states and 513 transitions. [2018-04-10 15:23:37,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-04-10 15:23:37,410 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 90 [2018-04-10 15:23:37,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:23:37,411 INFO L225 Difference]: With dead ends: 473 [2018-04-10 15:23:37,411 INFO L226 Difference]: Without dead ends: 473 [2018-04-10 15:23:37,411 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1048 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=986, Invalid=3570, Unknown=0, NotChecked=0, Total=4556 [2018-04-10 15:23:37,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2018-04-10 15:23:37,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 410. [2018-04-10 15:23:37,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2018-04-10 15:23:37,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 447 transitions. [2018-04-10 15:23:37,414 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 447 transitions. Word has length 90 [2018-04-10 15:23:37,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:23:37,414 INFO L459 AbstractCegarLoop]: Abstraction has 410 states and 447 transitions. [2018-04-10 15:23:37,415 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-10 15:23:37,415 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 447 transitions. [2018-04-10 15:23:37,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-04-10 15:23:37,415 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:23:37,415 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:23:37,415 INFO L408 AbstractCegarLoop]: === Iteration 49 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:23:37,415 INFO L82 PathProgramCache]: Analyzing trace with hash 682167665, now seen corresponding path program 4 times [2018-04-10 15:23:37,416 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:23:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:23:37,424 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:23:37,676 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:37,677 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:23:37,677 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-10 15:23:37,677 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:23:37,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:37,677 INFO L182 omatonBuilderFactory]: Interpolants [27586#true, 27587#false, 27588#(= 1 (select |#valid| main_~list~0.base)), 27589#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 27590#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc3.base|))), 27591#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 27592#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem4.base|))), 27593#(and (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 27594#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 27595#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 27596#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| |main_#t~malloc3.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc3.base|)) (not (= main_~end~0.base |main_#t~malloc3.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 27597#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 27598#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= |main_#t~mem4.base| main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem4.base|))), 27599#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|)) (not (= main_~list~0.base |main_#t~mem5.base|))), 27600#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 27601#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 27602#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 27603#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|))), 27604#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 27605#(= 1 (select |#valid| |main_#t~mem16.base|)), 27606#(= 1 (select |#valid| main_~end~0.base))] [2018-04-10 15:23:37,677 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:37,677 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-10 15:23:37,677 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-10 15:23:37,677 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2018-04-10 15:23:37,678 INFO L87 Difference]: Start difference. First operand 410 states and 447 transitions. Second operand 21 states. [2018-04-10 15:23:38,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:23:38,582 INFO L93 Difference]: Finished difference Result 455 states and 486 transitions. [2018-04-10 15:23:38,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-10 15:23:38,582 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 92 [2018-04-10 15:23:38,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:23:38,583 INFO L225 Difference]: With dead ends: 455 [2018-04-10 15:23:38,583 INFO L226 Difference]: Without dead ends: 455 [2018-04-10 15:23:38,584 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=289, Invalid=1517, Unknown=0, NotChecked=0, Total=1806 [2018-04-10 15:23:38,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2018-04-10 15:23:38,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 411. [2018-04-10 15:23:38,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2018-04-10 15:23:38,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 449 transitions. [2018-04-10 15:23:38,587 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 449 transitions. Word has length 92 [2018-04-10 15:23:38,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:23:38,587 INFO L459 AbstractCegarLoop]: Abstraction has 411 states and 449 transitions. [2018-04-10 15:23:38,587 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-10 15:23:38,587 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 449 transitions. [2018-04-10 15:23:38,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-04-10 15:23:38,588 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:23:38,588 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:23:38,588 INFO L408 AbstractCegarLoop]: === Iteration 50 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:23:38,588 INFO L82 PathProgramCache]: Analyzing trace with hash 682167666, now seen corresponding path program 3 times [2018-04-10 15:23:38,589 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:23:38,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:23:38,603 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:23:38,928 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:38,928 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:23:38,928 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-10 15:23:38,928 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:23:38,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:38,929 INFO L182 omatonBuilderFactory]: Interpolants [28517#true, 28518#false, 28519#(= 1 (select |#valid| main_~list~0.base)), 28520#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 28521#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc3.base|))), 28522#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 28523#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem4.base|))), 28524#(and (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 28525#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 28526#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 28527#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc3.base|)) (= 0 |main_#t~malloc3.offset|) (not (= main_~end~0.base |main_#t~malloc3.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| |main_#t~malloc3.base|))), 28528#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 28529#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= |main_#t~mem4.base| main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem4.base|))), 28530#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base |main_#t~mem5.base|))), 28531#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 28532#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 28533#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 28534#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)))), 28535#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 28536#(and (= 12 (select |#length| |main_#t~mem16.base|)) (= 0 |main_#t~mem16.offset|)), 28537#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base)))] [2018-04-10 15:23:38,929 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:38,929 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-10 15:23:38,929 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-10 15:23:38,929 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2018-04-10 15:23:38,929 INFO L87 Difference]: Start difference. First operand 411 states and 449 transitions. Second operand 21 states. [2018-04-10 15:23:39,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:23:39,907 INFO L93 Difference]: Finished difference Result 462 states and 494 transitions. [2018-04-10 15:23:39,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-10 15:23:39,907 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 92 [2018-04-10 15:23:39,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:23:39,908 INFO L225 Difference]: With dead ends: 462 [2018-04-10 15:23:39,908 INFO L226 Difference]: Without dead ends: 462 [2018-04-10 15:23:39,908 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=176, Invalid=1084, Unknown=0, NotChecked=0, Total=1260 [2018-04-10 15:23:39,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2018-04-10 15:23:39,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 413. [2018-04-10 15:23:39,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2018-04-10 15:23:39,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 451 transitions. [2018-04-10 15:23:39,910 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 451 transitions. Word has length 92 [2018-04-10 15:23:39,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:23:39,911 INFO L459 AbstractCegarLoop]: Abstraction has 413 states and 451 transitions. [2018-04-10 15:23:39,911 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-10 15:23:39,911 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 451 transitions. [2018-04-10 15:23:39,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-04-10 15:23:39,911 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:23:39,911 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:23:39,911 INFO L408 AbstractCegarLoop]: === Iteration 51 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:23:39,912 INFO L82 PathProgramCache]: Analyzing trace with hash 2012382474, now seen corresponding path program 1 times [2018-04-10 15:23:39,912 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:23:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:23:39,925 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:23:40,110 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:23:40,110 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:23:40,110 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-10 15:23:40,110 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:23:40,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:40,111 INFO L182 omatonBuilderFactory]: Interpolants [29443#true, 29444#false, 29445#(= 1 (select |#valid| main_~list~0.base)), 29446#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 29447#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 |main_#t~malloc3.offset|) (not (= main_~end~0.base |main_#t~malloc3.base|))), 29448#(and (= main_~end~0.base main_~list~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 29449#(and (= main_~end~0.base main_~list~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem4.base|))), 29450#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 29451#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| main_~list~0.base) 1)), 29452#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 29453#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base |main_#t~malloc7.base|))), 29454#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 29455#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem8.base|)) (not (= |main_#t~mem8.base| main_~list~0.base))), 29456#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 29457#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem9.base|))), 29458#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base))), 29459#(= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)), 29460#(and (= main_~end~0.base main_~list~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset))), 29461#(= 0 |main_#t~mem20.offset|), 29462#(= 0 main_~end~0.offset), 29463#(= main_~list~0.offset 0)] [2018-04-10 15:23:40,111 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:23:40,111 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-10 15:23:40,111 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-10 15:23:40,112 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2018-04-10 15:23:40,112 INFO L87 Difference]: Start difference. First operand 413 states and 451 transitions. Second operand 21 states. [2018-04-10 15:23:40,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:23:40,713 INFO L93 Difference]: Finished difference Result 479 states and 520 transitions. [2018-04-10 15:23:40,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-10 15:23:40,713 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 92 [2018-04-10 15:23:40,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:23:40,714 INFO L225 Difference]: With dead ends: 479 [2018-04-10 15:23:40,714 INFO L226 Difference]: Without dead ends: 479 [2018-04-10 15:23:40,714 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=235, Invalid=1247, Unknown=0, NotChecked=0, Total=1482 [2018-04-10 15:23:40,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2018-04-10 15:23:40,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 453. [2018-04-10 15:23:40,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 453 states. [2018-04-10 15:23:40,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 493 transitions. [2018-04-10 15:23:40,717 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 493 transitions. Word has length 92 [2018-04-10 15:23:40,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:23:40,717 INFO L459 AbstractCegarLoop]: Abstraction has 453 states and 493 transitions. [2018-04-10 15:23:40,717 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-10 15:23:40,717 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 493 transitions. [2018-04-10 15:23:40,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-04-10 15:23:40,718 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:23:40,718 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:23:40,718 INFO L408 AbstractCegarLoop]: === Iteration 52 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:23:40,718 INFO L82 PathProgramCache]: Analyzing trace with hash -1488159301, now seen corresponding path program 3 times [2018-04-10 15:23:40,719 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:23:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:23:40,728 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:23:42,365 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:23:42,365 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:23:42,365 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-10 15:23:42,365 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:23:42,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:42,366 INFO L182 omatonBuilderFactory]: Interpolants [30432#true, 30433#false, 30434#(= |#valid| |old(#valid)|), 30435#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 30436#(and (= |old(#valid)| (store |#valid| main_~null~0.base 0)) (not (= 0 main_~null~0.base)) (= main_~null~0.offset 0)), 30437#(and (not (= 0 main_~null~0.base)) (or (= main_~null~0.base |main_#t~malloc1.base|) (= (store (store |#valid| |main_#t~malloc1.base| 0) main_~null~0.base 0) |old(#valid)|)) (= 0 |main_#t~malloc1.offset|) (= main_~null~0.offset 0)), 30438#(and (= main_~null~0.offset main_~list~0.offset) (not (= 0 main_~null~0.base)) (= main_~null~0.offset 0) (or (= main_~null~0.base main_~list~0.base) (= (store (store |#valid| main_~list~0.base 0) main_~null~0.base 0) |old(#valid)|))), 30439#(and (= main_~null~0.offset main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (not (= 0 main_~null~0.base)) (= main_~null~0.offset 0) (or (= main_~null~0.base main_~list~0.base) (= (store (store |#valid| main_~list~0.base 0) main_~null~0.base 0) |old(#valid)|))), 30440#(and (= main_~null~0.offset main_~list~0.offset) (or (and (= main_~end~0.offset main_~list~0.offset) (= (store (store |#valid| main_~list~0.base 0) main_~null~0.base 0) |old(#valid)|)) (= main_~null~0.base main_~list~0.base)) (not (= 0 main_~null~0.base)) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0)), 30441#(and (or (and (= main_~end~0.offset main_~list~0.offset) (or (= |main_#t~malloc3.base| main_~null~0.base) (= (store (store (store |#valid| |main_#t~malloc3.base| 0) main_~list~0.base 0) main_~null~0.base 0) |old(#valid)|))) (= main_~null~0.base main_~list~0.base)) (not (= 0 main_~null~0.base)) (= main_~list~0.offset |main_#t~malloc3.offset|) (= main_~list~0.base main_~end~0.base) (= 0 |main_#t~malloc3.offset|) (= main_~null~0.offset 0) (not (= main_~end~0.base |main_#t~malloc3.base|))), 30442#(and (or (and (= main_~end~0.offset main_~list~0.offset) (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0) main_~list~0.base 0) main_~null~0.base 0) |old(#valid)|))) (= main_~null~0.base main_~list~0.base)) (not (= 0 main_~null~0.base)) (= main_~list~0.base main_~end~0.base) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 30443#(and (or (and (= main_~end~0.offset main_~list~0.offset) (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0) main_~list~0.base 0) main_~null~0.base 0) |old(#valid)|))) (= main_~null~0.base main_~list~0.base)) (not (= 0 main_~null~0.base)) (= main_~list~0.base main_~end~0.base) (= main_~null~0.offset 0) (not (= main_~end~0.base |main_#t~mem4.base|)) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 30444#(and (or (and (= main_~end~0.offset main_~list~0.offset) (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0) main_~list~0.base 0) main_~null~0.base 0) |old(#valid)|))) (= main_~null~0.base main_~list~0.base)) (not (= 0 main_~null~0.base)) (= main_~list~0.base main_~end~0.base) (= main_~null~0.offset 0) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 30445#(and (= main_~list~0.offset |main_#t~mem5.offset|) (not (= 0 main_~null~0.base)) (= main_~null~0.offset 0) (or (and (or (= main_~null~0.base |main_#t~mem5.base|) (= |old(#valid)| (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) main_~list~0.base 0) main_~null~0.base 0))) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base main_~list~0.base)) (= 0 |main_#t~mem5.offset|)), 30446#(and (= main_~null~0.offset main_~list~0.offset) (or (and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base) (not (= 0 main_~null~0.base))) (and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (or (= main_~end~0.base main_~null~0.base) (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |old(#valid)| (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) main_~list~0.base 0) main_~null~0.base 0))))) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset 0)))), 30447#(and (= main_~null~0.offset main_~list~0.offset) (or (and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base) (not (= 0 main_~null~0.base))) (and (= main_~end~0.offset 0) (or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (or (= main_~end~0.base main_~null~0.base) (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |old(#valid)| (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) main_~list~0.base 0) main_~null~0.base 0))))) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset 0)))), 30448#(and (= main_~null~0.offset main_~list~0.offset) (or (and (= main_~end~0.base main_~list~0.base) (not (= 0 main_~null~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) |main_#t~mem11.base|)) (and (= main_~end~0.offset 0) (or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (or (= main_~end~0.base main_~null~0.base) (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |old(#valid)| (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) main_~list~0.base 0) main_~null~0.base 0))))) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset 0)))), 30449#(and (= main_~null~0.offset main_~list~0.offset) (or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (not (= 0 main_~null~0.base))) (and (= main_~end~0.offset 0) (or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (or (= main_~end~0.base main_~null~0.base) (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |old(#valid)| (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) main_~list~0.base 0) main_~null~0.base 0))))) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset 0)))), 30450#(and (= main_~null~0.offset main_~list~0.offset) (or (and (not (= 0 main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |old(#valid)| (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) main_~list~0.base 0) main_~null~0.base 0))) (= main_~null~0.base main_~list~0.base))), 30451#(and (or (and (not (= 0 main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base main_~null~0.base) (and (= main_~list~0.base main_~end~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) main_~null~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0) main_~list~0.base 0) main_~null~0.base 0) |old(#valid)|))) (= main_~null~0.offset main_~end~0.offset)), 30452#(or (and (not (= 0 main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= main_~list~0.base main_~end~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) main_~null~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset))) (not (= main_~list~0.base main_~null~0.base)) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0) main_~list~0.base 0) main_~null~0.base 0) |old(#valid)|))), 30453#(or (and (not (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |old(#valid)| (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) main_~list~0.base 0) main_~null~0.base 0)) (not (= main_~list~0.base main_~null~0.base))) (and (not (= 0 main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 30454#(or (and (not (= 0 main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (not (= main_~null~0.base |main_#t~mem20.base|)) (not (= main_~null~0.base main_~list~0.base)) (= |old(#valid)| (store (store (store |#valid| |main_#t~mem20.base| 0) main_~list~0.base 0) main_~null~0.base 0)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem20.base|)))), 30455#(or (and (not (= main_~null~0.base main_~list~0.base)) (not (= main_~list~0.base main_~end~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (store (store (store |#valid| main_~end~0.base 0) main_~list~0.base 0) main_~null~0.base 0) |old(#valid)|) (not (= main_~null~0.base main_~end~0.base))) (and (not (= 0 main_~null~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 30456#(or (and (not (= 0 main_~null~0.base)) (= main_~null~0.base main_~end~0.base)) (and (not (= main_~null~0.base main_~list~0.base)) (not (= main_~list~0.base main_~end~0.base)) (= (store (store (store |#valid| main_~end~0.base 0) main_~list~0.base 0) main_~null~0.base 0) |old(#valid)|) (not (= main_~end~0.base main_~null~0.base)))), 30457#(or (and (not (= 0 main_~null~0.base)) (= main_~null~0.base main_~end~0.base)) (and (= |old(#valid)| (store (store |#valid| main_~null~0.base 0) main_~end~0.base 0)) (not (= main_~end~0.base main_~null~0.base)))), 30458#(or (and (= |old(#valid)| (store (store |#valid| main_~null~0.base 0) main_~list~0.base 0)) (not (= main_~list~0.base main_~null~0.base))) (and (= main_~list~0.base main_~null~0.base) (not (= 0 main_~null~0.base)))), 30459#(or (= |old(#valid)| (store |#valid| main_~null~0.base 0)) (and (not (= 0 main_~null~0.base)) (= 0 (select |#valid| main_~null~0.base)))), 30460#(= |old(#valid)| (store |#valid| main_~null~0.base 0))] [2018-04-10 15:23:42,366 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:23:42,366 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-10 15:23:42,366 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-10 15:23:42,366 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=739, Unknown=0, NotChecked=0, Total=812 [2018-04-10 15:23:42,367 INFO L87 Difference]: Start difference. First operand 453 states and 493 transitions. Second operand 29 states. [2018-04-10 15:23:44,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:23:44,435 INFO L93 Difference]: Finished difference Result 470 states and 509 transitions. [2018-04-10 15:23:44,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-10 15:23:44,436 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 93 [2018-04-10 15:23:44,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:23:44,436 INFO L225 Difference]: With dead ends: 470 [2018-04-10 15:23:44,436 INFO L226 Difference]: Without dead ends: 457 [2018-04-10 15:23:44,437 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 7 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 432 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=248, Invalid=2302, Unknown=0, NotChecked=0, Total=2550 [2018-04-10 15:23:44,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2018-04-10 15:23:44,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 453. [2018-04-10 15:23:44,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 453 states. [2018-04-10 15:23:44,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 492 transitions. [2018-04-10 15:23:44,439 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 492 transitions. Word has length 93 [2018-04-10 15:23:44,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:23:44,439 INFO L459 AbstractCegarLoop]: Abstraction has 453 states and 492 transitions. [2018-04-10 15:23:44,439 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-10 15:23:44,439 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 492 transitions. [2018-04-10 15:23:44,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-04-10 15:23:44,439 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:23:44,440 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:23:44,440 INFO L408 AbstractCegarLoop]: === Iteration 53 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:23:44,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1409943233, now seen corresponding path program 1 times [2018-04-10 15:23:44,440 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:23:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:23:44,449 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:23:46,812 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:46,812 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:23:46,846 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-04-10 15:23:46,846 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:23:46,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:46,846 INFO L182 omatonBuilderFactory]: Interpolants [31428#true, 31429#false, 31430#(= ~unnamed2~0~RED (select |#valid| 0)), 31431#(and (not (= 0 |main_#t~malloc0.base|)) (= ~unnamed2~0~RED (select |#valid| 0)) (= 0 |main_#t~malloc0.offset|)), 31432#(and (not (= 0 main_~null~0.base)) (= ~unnamed2~0~RED (select |#valid| 0)) (= main_~null~0.offset 0)), 31433#(and (not (= 0 main_~null~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= ~unnamed2~0~RED (select |#valid| 0)) (= main_~null~0.offset 0)), 31434#(and (not (= 0 main_~null~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= ~unnamed2~0~RED (select |#valid| 0)) (= 0 |main_#t~malloc1.offset|) (= main_~null~0.offset 0) (not (= 0 |main_#t~malloc1.base|))), 31435#(and (not (= 0 main_~list~0.base)) (= main_~null~0.offset main_~list~0.offset) (not (= 0 main_~null~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= ~unnamed2~0~RED (select |#valid| 0)) (= main_~null~0.offset 0)), 31436#(and (not (= 0 main_~list~0.base)) (= main_~null~0.offset main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (or (and (not (= 0 main_~null~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= ~unnamed2~0~RED (select |#valid| 0))) (= main_~list~0.base main_~null~0.base)) (= main_~null~0.offset 0)), 31437#(and (or (and (= main_~end~0.offset main_~list~0.offset) (not (= 0 main_~null~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= ~unnamed2~0~RED (select |#valid| 0))) (= main_~null~0.base main_~end~0.base)) (not (= 0 main_~list~0.base)) (= main_~null~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0)), 31438#(and (not (= 0 main_~list~0.base)) (= main_~list~0.offset |main_#t~malloc3.offset|) (= main_~list~0.base main_~end~0.base) (= 0 |main_#t~malloc3.offset|) (= main_~null~0.offset 0) (not (= main_~end~0.base |main_#t~malloc3.base|)) (or (= main_~null~0.base main_~end~0.base) (and (= main_~end~0.offset main_~list~0.offset) (not (= 0 |main_#t~malloc3.base|)) (not (= 0 main_~null~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= ~unnamed2~0~RED (select |#valid| 0))))), 31439#(and (not (= 0 main_~list~0.base)) (= main_~list~0.base main_~end~0.base) (or (= main_~null~0.base main_~end~0.base) (and (= main_~list~0.offset main_~end~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset))) (not (= 0 main_~null~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= ~unnamed2~0~RED (select |#valid| 0)))) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 31440#(and (not (= 0 main_~list~0.base)) (= main_~list~0.base main_~end~0.base) (= main_~null~0.offset 0) (not (= main_~end~0.base |main_#t~mem4.base|)) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (or (and (or (= main_~null~0.base |main_#t~mem4.base|) (and (= main_~list~0.offset main_~end~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset))) (not (= 0 main_~null~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= ~unnamed2~0~RED (select |#valid| 0)))) (or (not (= main_~null~0.base |main_#t~mem4.base|)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (= main_~null~0.base main_~end~0.base))), 31441#(and (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.base main_~end~0.base) (and (= main_~list~0.offset main_~end~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset))) (not (= 0 main_~null~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= ~unnamed2~0~RED (select |#valid| 0)))) (not (= 0 main_~list~0.base)) (= main_~list~0.base main_~end~0.base) (= main_~null~0.offset 0) (= main_~list~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 31442#(and (not (= 0 main_~list~0.base)) (= main_~list~0.offset |main_#t~mem5.offset|) (or (= main_~null~0.base |main_#t~mem5.base|) (and (not (= 0 main_~null~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= ~unnamed2~0~RED (select |#valid| 0)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset 0) (= 0 |main_#t~mem5.offset|)), 31443#(or (and (not (= 0 main_~list~0.base)) (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.offset 0) (or (= main_~null~0.base main_~list~0.base) (= main_~end~0.base main_~null~0.base) (and (not (= 0 main_~null~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= ~unnamed2~0~RED (select |#valid| 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))) (= main_~null~0.offset 0)) (and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base))), 31444#(or (and (not (= 0 main_~list~0.base)) (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.offset 0) (or (and (not (= 0 main_~null~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= ~unnamed2~0~RED (select |#valid| 0)) (= |main_#t~mem10| (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.base main_~list~0.base) (= main_~end~0.base main_~null~0.base)) (= main_~null~0.offset 0)) (and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base))), 31445#(or (and (or (= main_~null~0.base main_~list~0.base) (and (not (= 0 main_~null~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= ~unnamed2~0~RED (select |#valid| 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))) (= main_~end~0.base main_~null~0.base)) (not (= 0 main_~list~0.base)) (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.offset 0) (= main_~null~0.offset 0)) (and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base))), 31446#(or (and (= main_~end~0.base main_~list~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) |main_#t~mem11.base|)) (and (or (= main_~null~0.base main_~list~0.base) (and (not (= 0 main_~null~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= ~unnamed2~0~RED (select |#valid| 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))) (= main_~end~0.base main_~null~0.base)) (not (= 0 main_~list~0.base)) (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.offset 0) (= main_~null~0.offset 0))), 31447#(or (and (or (= main_~null~0.base main_~list~0.base) (and (not (= 0 main_~null~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= ~unnamed2~0~RED (select |#valid| 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 8)))) (= main_~end~0.base main_~null~0.base)) (not (= 0 main_~list~0.base)) (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.offset 0) (= main_~null~0.offset 0)) (and (= main_~end~0.base main_~list~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) main_~null~0.base))), 31448#(or (and (not (= 0 main_~list~0.base)) (= main_~null~0.offset main_~list~0.offset) (or (= main_~null~0.base main_~list~0.base) (and (not (= 0 main_~null~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= ~unnamed2~0~RED (select |#valid| 0)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~null~0.offset 8))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))) (= main_~null~0.offset 0)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)), 31449#(or (and (not (= 0 main_~list~0.base)) (or (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset)) (+ main_~null~0.offset 8))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset))) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= 0 main_~null~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= ~unnamed2~0~RED (select |#valid| 0))) (= main_~end~0.base main_~null~0.base)) (= main_~null~0.offset 0) (= main_~null~0.offset main_~end~0.offset)) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base))), 31450#(or (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset)) (+ main_~null~0.offset 8))) (not (= 0 main_~list~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset))) (= main_~end~0.offset main_~list~0.offset) (not (= 0 main_~null~0.base)) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= ~unnamed2~0~RED (select |#valid| 0)) (= main_~null~0.offset 0) (not (= main_~list~0.base main_~null~0.base))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base))), 31451#(or (and (not (= 0 main_~list~0.base)) (not (= 0 main_~null~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= ~unnamed2~0~RED (select |#valid| 0)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~null~0.offset 8))) (= main_~null~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem16.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base main_~null~0.base))) (and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base) (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem16.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 31452#(or (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (not (= 0 main_~list~0.base)) (not (= 0 main_~null~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= ~unnamed2~0~RED (select |#valid| 0)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~null~0.offset 8))) (= main_~null~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base main_~null~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 31453#(or (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem16.offset|) (not (= 0 main_~list~0.base)) (not (= 0 main_~null~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= ~unnamed2~0~RED (select |#valid| 0)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~null~0.offset 8))) (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base main_~null~0.base))) (and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base))), 31454#(or (and (not (= 0 main_~list~0.base)) (not (= 0 main_~null~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= ~unnamed2~0~RED (select |#valid| 0)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~null~0.offset 8))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.offset) (= main_~null~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base main_~null~0.base))) (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base))), 31455#(or (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= ~unnamed2~0~RED (select |#valid| 0)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~null~0.offset 8))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 31456#(or (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= ~unnamed2~0~RED (select |#valid| 0)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~null~0.offset 8))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 31457#(or (and (not (= 0 |main_#t~mem20.base|)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (not (= 0 main_~list~0.base)) (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= ~unnamed2~0~RED (select |#valid| 0)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~null~0.offset 8))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0)) (and (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 31458#(or (and (not (= 0 main_~list~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= 0 main_~end~0.base)) (= ~unnamed2~0~RED (select |#valid| 0)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (+ main_~null~0.offset 8))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset 0) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 31459#(or (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (and (= 1 (select (select |#memory_int| main_~end~0.base) (+ main_~null~0.offset 8))) (not (= 0 main_~list~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (not (= 0 main_~end~0.base)) (= ~unnamed2~0~RED (select |#valid| 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset 0))), 31460#(or (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (and (= 1 (select (select |#memory_int| main_~end~0.base) (+ main_~null~0.offset 8))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (not (= 0 main_~end~0.base)) (= ~unnamed2~0~RED (select |#valid| 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset 0))), 31461#(or (and (not (= 0 main_~list~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= ~unnamed2~0~RED (select |#valid| 0)) (= main_~null~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select (select |#memory_int| main_~list~0.base) (+ main_~null~0.offset 8)))) (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 31462#(or (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (and (or (not (= main_~null~0.offset main_~list~0.offset)) (and (not (= 0 main_~list~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= ~unnamed2~0~RED (select |#valid| 0)) (= 1 |main_#t~mem17|) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))) (= main_~null~0.offset 0))), 31463#(or (and (= main_~null~0.offset 0) (or (and (not (= 0 main_~list~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (not (= main_~null~0.offset main_~list~0.offset)))) (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 31464#(or (and (or (not (= main_~null~0.offset main_~list~0.offset)) (and (not (= 0 main_~list~0.base)) (not (= 0 |main_#t~mem18.base|)) (= main_~null~0.offset |main_#t~mem18.offset|) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (= main_~null~0.base |main_#t~mem18.base|) (= 1 (select |#valid| 0)))) (= main_~null~0.offset 0) (<= main_~null~0.offset main_~list~0.offset)) (= main_~list~0.base |main_#t~mem18.base|)), 31465#(or (= main_~list~0.base main_~end~0.base) (and (or (not (= main_~null~0.offset main_~list~0.offset)) (and (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (not (= 0 main_~end~0.base)) (= main_~null~0.base main_~end~0.base) (= 1 (select |#valid| 0)) (= main_~null~0.offset main_~end~0.offset))) (= main_~null~0.offset 0) (<= main_~null~0.offset main_~list~0.offset))), 31466#(or (= main_~list~0.base main_~end~0.base) (and (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (not (= 0 main_~end~0.base)) (= main_~null~0.base main_~end~0.base) (= 1 (select |#valid| 0)) (= main_~null~0.offset 0) (= main_~null~0.offset main_~end~0.offset))), 31467#(or (= 0 (select |#valid| main_~end~0.base)) (and (= 0 (select (select |#memory_$Pointer$.base| main_~null~0.base) main_~null~0.offset)) (not (= 0 main_~end~0.base)) (= main_~null~0.base main_~end~0.base) (= 1 (select |#valid| 0)) (= main_~null~0.offset 0) (= main_~null~0.offset main_~end~0.offset))), 31468#(and (not (= 0 main_~end~0.base)) (= 1 (select |#valid| 0)) (= 0 |main_#t~mem19.base|) (= main_~null~0.offset 0)), 31469#(and (not (= 0 main_~end~0.base)) (= 1 (select |#valid| 0)) (= main_~null~0.offset 0) (= 0 main_~list~0.base)), 31470#(and (= 1 (select |#valid| 0)) (= main_~null~0.offset 0) (= 0 main_~list~0.base)), 31471#(and (= 1 (select |#valid| 0)) (= 0 main_~list~0.base))] [2018-04-10 15:23:46,846 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:46,847 INFO L442 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-04-10 15:23:46,847 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-04-10 15:23:46,847 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1770, Unknown=0, NotChecked=0, Total=1892 [2018-04-10 15:23:46,847 INFO L87 Difference]: Start difference. First operand 453 states and 492 transitions. Second operand 44 states. [2018-04-10 15:23:50,024 WARN L151 SmtUtils]: Spent 120ms on a formula simplification. DAG size of input: 82 DAG size of output 70 [2018-04-10 15:23:51,352 WARN L151 SmtUtils]: Spent 107ms on a formula simplification. DAG size of input: 98 DAG size of output 55 [2018-04-10 15:23:51,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:23:51,913 INFO L93 Difference]: Finished difference Result 472 states and 511 transitions. [2018-04-10 15:23:51,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-04-10 15:23:51,913 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 93 [2018-04-10 15:23:51,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:23:51,914 INFO L225 Difference]: With dead ends: 472 [2018-04-10 15:23:51,914 INFO L226 Difference]: Without dead ends: 430 [2018-04-10 15:23:51,914 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 2 SyntacticMatches, 7 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1232 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=675, Invalid=6131, Unknown=0, NotChecked=0, Total=6806 [2018-04-10 15:23:51,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2018-04-10 15:23:51,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 411. [2018-04-10 15:23:51,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2018-04-10 15:23:51,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 449 transitions. [2018-04-10 15:23:51,917 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 449 transitions. Word has length 93 [2018-04-10 15:23:51,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:23:51,917 INFO L459 AbstractCegarLoop]: Abstraction has 411 states and 449 transitions. [2018-04-10 15:23:51,917 INFO L460 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-04-10 15:23:51,917 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 449 transitions. [2018-04-10 15:23:51,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-04-10 15:23:51,917 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:23:51,917 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:23:51,918 INFO L408 AbstractCegarLoop]: === Iteration 54 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:23:51,918 INFO L82 PathProgramCache]: Analyzing trace with hash 801645749, now seen corresponding path program 2 times [2018-04-10 15:23:51,918 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:23:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:23:51,925 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:23:52,229 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:52,229 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:23:52,230 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-10 15:23:52,230 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:23:52,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:52,230 INFO L182 omatonBuilderFactory]: Interpolants [32448#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 32449#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 32450#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|))), 32451#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 32452#(= 1 (select |#valid| |main_#t~mem14.base|)), 32453#(= 1 (select |#valid| main_~end~0.base)), 32433#true, 32434#false, 32435#(= 1 (select |#valid| main_~list~0.base)), 32436#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 32437#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc3.base|))), 32438#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 32439#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem4.base|))), 32440#(and (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 32441#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 32442#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 32443#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| |main_#t~malloc3.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc3.base|)) (not (= main_~end~0.base |main_#t~malloc3.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 32444#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 32445#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= |main_#t~mem4.base| main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem4.base|))), 32446#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|)) (not (= main_~list~0.base |main_#t~mem5.base|))), 32447#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))] [2018-04-10 15:23:52,230 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:52,230 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-10 15:23:52,230 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-10 15:23:52,230 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2018-04-10 15:23:52,231 INFO L87 Difference]: Start difference. First operand 411 states and 449 transitions. Second operand 21 states. [2018-04-10 15:23:53,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:23:53,025 INFO L93 Difference]: Finished difference Result 443 states and 475 transitions. [2018-04-10 15:23:53,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-10 15:23:53,025 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 94 [2018-04-10 15:23:53,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:23:53,026 INFO L225 Difference]: With dead ends: 443 [2018-04-10 15:23:53,026 INFO L226 Difference]: Without dead ends: 443 [2018-04-10 15:23:53,026 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=268, Invalid=1372, Unknown=0, NotChecked=0, Total=1640 [2018-04-10 15:23:53,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2018-04-10 15:23:53,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 418. [2018-04-10 15:23:53,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2018-04-10 15:23:53,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 457 transitions. [2018-04-10 15:23:53,028 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 457 transitions. Word has length 94 [2018-04-10 15:23:53,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:23:53,028 INFO L459 AbstractCegarLoop]: Abstraction has 418 states and 457 transitions. [2018-04-10 15:23:53,028 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-10 15:23:53,028 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 457 transitions. [2018-04-10 15:23:53,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-04-10 15:23:53,029 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:23:53,029 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:23:53,029 INFO L408 AbstractCegarLoop]: === Iteration 55 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:23:53,029 INFO L82 PathProgramCache]: Analyzing trace with hash 801645750, now seen corresponding path program 2 times [2018-04-10 15:23:53,029 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:23:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:23:53,037 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:23:53,430 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:53,430 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:23:53,430 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-10 15:23:53,430 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:23:53,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:53,430 INFO L182 omatonBuilderFactory]: Interpolants [33376#(and (= main_~null~0.offset |main_#t~mem14.offset|) (= 0 main_~null~0.offset) (= 12 (select |#length| |main_#t~mem14.base|))), 33377#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base))), 33355#true, 33356#false, 33357#(= 0 |main_#t~malloc0.offset|), 33358#(= main_~null~0.offset 0), 33359#(and (= 1 (select |#valid| main_~list~0.base)) (= main_~null~0.offset 0)), 33360#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0)), 33361#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.offset 0) (not (= main_~end~0.base |main_#t~malloc3.base|))), 33362#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 33363#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset 0) (not (= main_~end~0.base |main_#t~mem4.base|))), 33364#(and (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 33365#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 33366#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 33367#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~null~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc3.base|)) (= main_~null~0.offset |main_#t~malloc3.offset|) (not (= main_~end~0.base |main_#t~malloc3.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| |main_#t~malloc3.base|))), 33368#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 0 main_~null~0.offset) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 33369#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 0 main_~null~0.offset) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= |main_#t~mem4.base| main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem4.base|))), 33370#(and (= 0 main_~null~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base |main_#t~mem5.base|))), 33371#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~null~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 33372#(and (= 0 main_~null~0.offset) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 33373#(and (= 0 main_~null~0.offset) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 33374#(and (= 0 main_~null~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|))), 33375#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 main_~null~0.offset) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))] [2018-04-10 15:23:53,430 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:53,430 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-10 15:23:53,431 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-10 15:23:53,431 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=430, Unknown=0, NotChecked=0, Total=506 [2018-04-10 15:23:53,431 INFO L87 Difference]: Start difference. First operand 418 states and 457 transitions. Second operand 23 states. [2018-04-10 15:23:54,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:23:54,548 INFO L93 Difference]: Finished difference Result 447 states and 479 transitions. [2018-04-10 15:23:54,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-10 15:23:54,548 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 94 [2018-04-10 15:23:54,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:23:54,549 INFO L225 Difference]: With dead ends: 447 [2018-04-10 15:23:54,549 INFO L226 Difference]: Without dead ends: 447 [2018-04-10 15:23:54,549 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=324, Invalid=1568, Unknown=0, NotChecked=0, Total=1892 [2018-04-10 15:23:54,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2018-04-10 15:23:54,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 420. [2018-04-10 15:23:54,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2018-04-10 15:23:54,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 458 transitions. [2018-04-10 15:23:54,552 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 458 transitions. Word has length 94 [2018-04-10 15:23:54,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:23:54,552 INFO L459 AbstractCegarLoop]: Abstraction has 420 states and 458 transitions. [2018-04-10 15:23:54,552 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-10 15:23:54,552 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 458 transitions. [2018-04-10 15:23:54,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-04-10 15:23:54,552 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:23:54,552 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:23:54,552 INFO L408 AbstractCegarLoop]: === Iteration 56 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:23:54,552 INFO L82 PathProgramCache]: Analyzing trace with hash 1404453201, now seen corresponding path program 1 times [2018-04-10 15:23:54,553 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:23:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:23:54,561 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:23:55,082 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:55,082 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:23:55,082 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-10 15:23:55,082 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:23:55,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:55,082 INFO L182 omatonBuilderFactory]: Interpolants [34304#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 34305#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1)), 34306#(and (not (= main_~list~0.base main_~end~0.base)) (not (= main_~end~0.base |main_#t~malloc7.base|)) (or (= |main_#t~malloc7.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= |main_#t~malloc7.offset| main_~list~0.offset)), 34307#(and (not (= main_~list~0.base main_~end~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 34308#(and (not (= main_~list~0.base main_~end~0.base)) (or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (not (= |main_#t~mem8.base| main_~list~0.base))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= main_~end~0.base |main_#t~mem8.base|))), 34309#(and (not (= main_~list~0.base main_~end~0.base)) (or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))), 34310#(or (and (= |main_#t~mem9.base| main_~list~0.base) (= |main_#t~mem9.offset| main_~list~0.offset)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem9.offset| main_~list~0.offset))), 34311#(or (and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 34312#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 34313#(or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem11.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 34314#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 34315#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 34316#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 34317#(or (= 1 (select |#valid| |main_#t~mem16.base|)) (and (= main_~null~0.offset |main_#t~mem16.offset|) (= main_~null~0.base |main_#t~mem16.base|))), 34318#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 34319#(= 1 (select |#valid| main_~end~0.base)), 34287#true, 34288#false, 34289#(= 0 |main_#t~malloc1.offset|), 34290#(= 0 main_~list~0.offset), 34291#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 34292#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 34293#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc3.base|))), 34294#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 34295#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem4.base|))), 34296#(and (= 0 main_~list~0.offset) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 34297#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 34298#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 34299#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~malloc3.base|)) (not (= main_~end~0.base |main_#t~malloc3.base|))), 34300#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 34301#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base)) (not (= main_~end~0.base |main_#t~mem4.base|))), 34302#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base))), 34303#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem5.base|)))] [2018-04-10 15:23:55,082 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:55,083 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-10 15:23:55,083 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-10 15:23:55,083 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=902, Unknown=0, NotChecked=0, Total=1056 [2018-04-10 15:23:55,083 INFO L87 Difference]: Start difference. First operand 420 states and 458 transitions. Second operand 33 states. [2018-04-10 15:23:57,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:23:57,224 INFO L93 Difference]: Finished difference Result 579 states and 628 transitions. [2018-04-10 15:23:57,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-04-10 15:23:57,224 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 95 [2018-04-10 15:23:57,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:23:57,225 INFO L225 Difference]: With dead ends: 579 [2018-04-10 15:23:57,225 INFO L226 Difference]: Without dead ends: 579 [2018-04-10 15:23:57,226 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1928 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1459, Invalid=5183, Unknown=0, NotChecked=0, Total=6642 [2018-04-10 15:23:57,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2018-04-10 15:23:57,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 472. [2018-04-10 15:23:57,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2018-04-10 15:23:57,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 514 transitions. [2018-04-10 15:23:57,228 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 514 transitions. Word has length 95 [2018-04-10 15:23:57,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:23:57,228 INFO L459 AbstractCegarLoop]: Abstraction has 472 states and 514 transitions. [2018-04-10 15:23:57,228 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-10 15:23:57,228 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 514 transitions. [2018-04-10 15:23:57,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-04-10 15:23:57,229 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:23:57,229 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:23:57,229 INFO L408 AbstractCegarLoop]: === Iteration 57 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:23:57,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1404453202, now seen corresponding path program 1 times [2018-04-10 15:23:57,230 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:23:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:23:57,238 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:23:57,862 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:57,862 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:23:57,862 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-10 15:23:57,862 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:23:57,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:57,863 INFO L182 omatonBuilderFactory]: Interpolants [35469#true, 35470#false, 35471#(= 0 |main_#t~malloc1.offset|), 35472#(= 0 main_~list~0.offset), 35473#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 35474#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 35475#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= 0 |main_#t~malloc3.offset|) (not (= main_~end~0.base |main_#t~malloc3.base|)) (= 12 (select |#length| |main_#t~malloc3.base|))), 35476#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 35477#(and (= 12 (select |#length| |main_#t~mem4.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem4.base|))), 35478#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 12 (select |#length| |main_#t~mem5.base|)) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 35479#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 12 (select |#length| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 35480#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 12 (select |#length| main_~end~0.base)) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 35481#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~malloc3.base|)) (= 12 (select |#length| main_~end~0.base)) (not (= main_~end~0.base |main_#t~malloc3.base|))), 35482#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 12 (select |#length| main_~end~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 35483#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= |main_#t~mem4.base| main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 12 (select |#length| main_~end~0.base)) (not (= main_~end~0.base |main_#t~mem4.base|))), 35484#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 12 (select |#length| main_~end~0.base))), 35485#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem5.base|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 35486#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 35487#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 35488#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base main_~end~0.base)) (not (= main_~end~0.base |main_#t~malloc7.base|)) (= |main_#t~malloc7.offset| main_~list~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 35489#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base main_~end~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 35490#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (not (= |main_#t~mem8.base| main_~list~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= main_~end~0.base |main_#t~mem8.base|))), 35491#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))), 35492#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem9.offset| main_~list~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= |main_#t~mem9.base| main_~list~0.base) (= |main_#t~mem9.offset| main_~list~0.offset))), 35493#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 35494#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 35495#(or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem11.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 35496#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 35497#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 35498#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 35499#(or (and (= 12 (select |#length| |main_#t~mem16.base|)) (= 0 |main_#t~mem16.offset|)) (and (= main_~null~0.offset |main_#t~mem16.offset|) (= main_~null~0.base |main_#t~mem16.base|))), 35500#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base)))), 35501#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base)))] [2018-04-10 15:23:57,863 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:23:57,863 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-10 15:23:57,863 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-10 15:23:57,863 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=880, Unknown=0, NotChecked=0, Total=1056 [2018-04-10 15:23:57,863 INFO L87 Difference]: Start difference. First operand 472 states and 514 transitions. Second operand 33 states. [2018-04-10 15:23:59,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:23:59,868 INFO L93 Difference]: Finished difference Result 584 states and 633 transitions. [2018-04-10 15:23:59,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-04-10 15:23:59,868 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 95 [2018-04-10 15:23:59,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:23:59,869 INFO L225 Difference]: With dead ends: 584 [2018-04-10 15:23:59,869 INFO L226 Difference]: Without dead ends: 584 [2018-04-10 15:23:59,869 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1316 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=930, Invalid=4182, Unknown=0, NotChecked=0, Total=5112 [2018-04-10 15:23:59,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2018-04-10 15:23:59,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 506. [2018-04-10 15:23:59,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2018-04-10 15:23:59,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 551 transitions. [2018-04-10 15:23:59,872 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 551 transitions. Word has length 95 [2018-04-10 15:23:59,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:23:59,873 INFO L459 AbstractCegarLoop]: Abstraction has 506 states and 551 transitions. [2018-04-10 15:23:59,873 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-10 15:23:59,873 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 551 transitions. [2018-04-10 15:23:59,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-04-10 15:23:59,873 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:23:59,873 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:23:59,873 INFO L408 AbstractCegarLoop]: === Iteration 58 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:23:59,873 INFO L82 PathProgramCache]: Analyzing trace with hash 571215563, now seen corresponding path program 1 times [2018-04-10 15:23:59,874 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:23:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:23:59,883 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:24:00,259 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:24:00,259 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:24:00,259 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-10 15:24:00,259 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:24:00,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:00,259 INFO L182 omatonBuilderFactory]: Interpolants [36672#(= 0 |main_#t~malloc0.offset|), 36673#(= main_~null~0.offset 0), 36674#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.offset 0)), 36675#(and (= main_~null~0.offset |main_#t~malloc1.offset|) (or (= main_~null~0.base |main_#t~malloc1.base|) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.offset 0)))), 36676#(and (= main_~null~0.offset main_~list~0.offset) (or (= main_~null~0.base main_~list~0.base) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.offset 0)))), 36677#(and (or (= main_~null~0.base main_~list~0.base) (and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~null~0.base |main_#t~malloc3.base|)) (= main_~null~0.offset 0))) (= main_~null~0.offset main_~list~0.offset)), 36678#(and (= main_~null~0.offset main_~list~0.offset) (or (and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~null~0.base |main_#t~malloc7.base|)) (= main_~null~0.offset 0)) (= main_~null~0.base main_~list~0.base))), 36679#(and (or (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.offset 0)) (= main_~end~0.base main_~null~0.base)) (= main_~null~0.offset main_~end~0.offset)), 36680#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.offset 0) (not (= main_~list~0.base main_~null~0.base))), 36681#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.offset 0) (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem16.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base main_~null~0.base))), 36682#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (not (= main_~list~0.base main_~null~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 36683#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0) (not (= main_~list~0.base main_~null~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 36684#(and (= 1 (select |#valid| main_~null~0.base)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem16.base|) (= main_~null~0.offset 0) (not (= main_~list~0.base main_~null~0.base))), 36685#(and (= 1 (select |#valid| main_~null~0.base)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base) (= main_~null~0.offset 0) (not (= main_~list~0.base main_~null~0.base))), 36686#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.offset 0) (not (= main_~list~0.base main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 36687#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= main_~null~0.offset 0) (not (= main_~list~0.base main_~null~0.base))), 36688#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset 0) (not (= main_~list~0.base main_~null~0.base))), 36689#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset 0)), 36690#(or (not (= main_~list~0.offset 0)) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 36691#(or (not (= main_~list~0.offset 0)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 36692#(or (not (= main_~list~0.offset 0)) (and (= 1 (select |#valid| |main_#t~mem18.base|)) (not (= main_~list~0.base |main_#t~mem18.base|)))), 36693#(or (not (= main_~list~0.offset 0)) (and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~end~0.base)))), 36694#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~end~0.base))), 36695#(= 1 (select |#valid| main_~end~0.base)), 36670#true, 36671#false] [2018-04-10 15:24:00,259 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:24:00,260 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-10 15:24:00,260 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-10 15:24:00,260 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=573, Unknown=0, NotChecked=0, Total=650 [2018-04-10 15:24:00,260 INFO L87 Difference]: Start difference. First operand 506 states and 551 transitions. Second operand 26 states. [2018-04-10 15:24:01,975 WARN L151 SmtUtils]: Spent 139ms on a formula simplification. DAG size of input: 60 DAG size of output 33 [2018-04-10 15:24:03,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:24:03,199 INFO L93 Difference]: Finished difference Result 651 states and 698 transitions. [2018-04-10 15:24:03,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-04-10 15:24:03,199 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 95 [2018-04-10 15:24:03,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:24:03,200 INFO L225 Difference]: With dead ends: 651 [2018-04-10 15:24:03,201 INFO L226 Difference]: Without dead ends: 651 [2018-04-10 15:24:03,201 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1679 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1178, Invalid=5628, Unknown=0, NotChecked=0, Total=6806 [2018-04-10 15:24:03,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2018-04-10 15:24:03,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 498. [2018-04-10 15:24:03,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 498 states. [2018-04-10 15:24:03,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 542 transitions. [2018-04-10 15:24:03,205 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 542 transitions. Word has length 95 [2018-04-10 15:24:03,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:24:03,205 INFO L459 AbstractCegarLoop]: Abstraction has 498 states and 542 transitions. [2018-04-10 15:24:03,205 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-10 15:24:03,205 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 542 transitions. [2018-04-10 15:24:03,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-04-10 15:24:03,205 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:24:03,205 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:24:03,205 INFO L408 AbstractCegarLoop]: === Iteration 59 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:24:03,205 INFO L82 PathProgramCache]: Analyzing trace with hash 411514901, now seen corresponding path program 2 times [2018-04-10 15:24:03,206 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:24:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:24:03,217 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:24:04,128 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:04,128 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:24:04,128 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-10 15:24:04,128 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:24:04,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:04,129 INFO L182 omatonBuilderFactory]: Interpolants [37959#true, 37960#false, 37961#(= 0 |main_#t~malloc0.offset|), 37962#(= main_~null~0.offset 0), 37963#(and (= (select |#length| |main_#t~malloc1.base|) 12) (= 0 |main_#t~malloc1.offset|) (= main_~null~0.offset 0)), 37964#(and (= 0 main_~list~0.offset) (= (select |#length| main_~list~0.base) 12) (= main_~null~0.offset 0)), 37965#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset) (= (select |#length| main_~list~0.base) 12) (= main_~null~0.offset 0)), 37966#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= (select |#length| main_~end~0.base) 12) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0)), 37967#(and (= main_~end~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= main_~null~0.offset |main_#t~malloc3.offset|) (= (select |#length| main_~end~0.base) 12) (not (= main_~end~0.base |main_#t~malloc3.base|))), 37968#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.offset 0) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#length| main_~end~0.base) 12) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 37969#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= (select |#length| main_~end~0.base) 12) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base |main_#t~mem4.base|))), 37970#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#length| main_~list~0.base) 12) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 37971#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#length| main_~list~0.base) 12) (= (select |#valid| main_~list~0.base) 1)), 37972#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc7.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 12 (select |#length| |main_#t~malloc7.base|)) (= (select |#length| main_~list~0.base) (select |#length| |main_#t~malloc7.base|))), 37973#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= (select |#length| main_~list~0.base) (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 37974#(and (= (select |#length| main_~list~0.base) (select |#length| |main_#t~mem8.base|)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= |main_#t~mem8.base| main_~list~0.base)) (= 12 (select |#length| |main_#t~mem8.base|))), 37975#(and (<= (select |#length| main_~list~0.base) 12) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 37976#(and (<= (select |#length| main_~list~0.base) 12) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 37977#(and (or (= main_~end~0.base main_~list~0.base) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (or (and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= main_~list~0.base main_~end~0.base) (or (<= (select |#length| main_~list~0.base) 12) (<= main_~end~0.offset 0)))) (= 0 main_~list~0.offset)), 37978#(and (or (= main_~end~0.base main_~list~0.base) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (or (and (= main_~list~0.base main_~end~0.base) (or (= main_~end~0.offset main_~list~0.offset) (and (<= (select |#length| main_~list~0.base) 12) (<= 0 main_~end~0.offset)))) (and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))))), 37979#(and (or (= main_~end~0.base main_~list~0.base) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (or (and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base))) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 37980#(and (= |main_#t~malloc3.offset| main_~list~0.offset) (or (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~list~0.base main_~end~0.base)) (or (= main_~list~0.base |main_#t~malloc3.base|) (and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= 1 (select |#valid| |main_#t~malloc3.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base))) (not (= main_~end~0.base |main_#t~malloc3.base|))), 37981#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (or (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 37982#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (or (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (and (not (= |main_#t~mem4.base| main_~list~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))) (not (= main_~end~0.base |main_#t~mem4.base|))), 37983#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (or (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 37984#(and (= |main_#t~mem5.offset| main_~list~0.offset) (or (= main_~list~0.base |main_#t~mem5.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 37985#(and (or (not (= main_~list~0.base main_~end~0.base)) (= main_~end~0.offset main_~list~0.offset)) (or (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 37986#(and (or (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem11.offset|) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base main_~end~0.base)))), 37987#(and (or (= main_~list~0.base main_~end~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (or (not (= main_~list~0.base main_~end~0.base)) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))), 37988#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 37989#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 37990#(or (= 1 (select |#valid| |main_#t~mem16.base|)) (and (= main_~null~0.offset |main_#t~mem16.offset|) (= main_~null~0.base |main_#t~mem16.base|))), 37991#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 37992#(= 1 (select |#valid| main_~end~0.base))] [2018-04-10 15:24:04,129 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:04,129 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-10 15:24:04,129 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-10 15:24:04,129 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=996, Unknown=0, NotChecked=0, Total=1122 [2018-04-10 15:24:04,129 INFO L87 Difference]: Start difference. First operand 498 states and 542 transitions. Second operand 34 states. [2018-04-10 15:24:07,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:24:07,266 INFO L93 Difference]: Finished difference Result 631 states and 685 transitions. [2018-04-10 15:24:07,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-04-10 15:24:07,266 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 95 [2018-04-10 15:24:07,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:24:07,267 INFO L225 Difference]: With dead ends: 631 [2018-04-10 15:24:07,267 INFO L226 Difference]: Without dead ends: 631 [2018-04-10 15:24:07,268 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1424 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=1357, Invalid=4805, Unknown=0, NotChecked=0, Total=6162 [2018-04-10 15:24:07,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2018-04-10 15:24:07,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 498. [2018-04-10 15:24:07,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 498 states. [2018-04-10 15:24:07,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 542 transitions. [2018-04-10 15:24:07,271 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 542 transitions. Word has length 95 [2018-04-10 15:24:07,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:24:07,271 INFO L459 AbstractCegarLoop]: Abstraction has 498 states and 542 transitions. [2018-04-10 15:24:07,271 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-10 15:24:07,271 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 542 transitions. [2018-04-10 15:24:07,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-04-10 15:24:07,271 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:24:07,271 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:24:07,271 INFO L408 AbstractCegarLoop]: === Iteration 60 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:24:07,271 INFO L82 PathProgramCache]: Analyzing trace with hash 411514902, now seen corresponding path program 2 times [2018-04-10 15:24:07,272 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:24:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:24:07,283 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:24:08,048 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:08,049 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:24:08,049 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-10 15:24:08,049 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:24:08,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:08,049 INFO L182 omatonBuilderFactory]: Interpolants [39232#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 39233#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= |main_#t~mem4.base| main_~list~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= main_~end~0.base |main_#t~mem4.base|))), 39234#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))), 39235#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem5.base|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= |main_#t~mem5.base| main_~list~0.base) (= |main_#t~mem5.offset| main_~list~0.offset))), 39236#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 39237#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 39238#(or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem11.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 39239#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 39240#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 39241#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 39242#(or (and (= 12 (select |#length| |main_#t~mem16.base|)) (= 0 |main_#t~mem16.offset|)) (and (= main_~null~0.offset |main_#t~mem16.offset|) (= main_~null~0.base |main_#t~mem16.base|))), 39243#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base)))), 39244#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base))), 39212#true, 39213#false, 39214#(= 0 |main_#t~malloc1.offset|), 39215#(= 0 main_~list~0.offset), 39216#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 39217#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 39218#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= 0 |main_#t~malloc3.offset|) (not (= main_~end~0.base |main_#t~malloc3.base|)) (= 12 (select |#length| |main_#t~malloc3.base|))), 39219#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 39220#(and (= 12 (select |#length| |main_#t~mem4.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem4.base|))), 39221#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 12 (select |#length| |main_#t~mem5.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 39222#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 12 (select |#length| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 39223#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 39224#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base |main_#t~malloc7.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 12 (select |#length| main_~end~0.base))), 39225#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~end~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 39226#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base |main_#t~mem8.base|)) (= 12 (select |#length| main_~end~0.base)) (not (= |main_#t~mem8.base| main_~list~0.base))), 39227#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~end~0.base))), 39228#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 main_~list~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 39229#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 main_~list~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 39230#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 39231#(and (or (and (= |main_#t~malloc3.offset| main_~list~0.offset) (= |main_#t~malloc3.base| main_~list~0.base)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc3.base|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))) (not (= main_~end~0.base |main_#t~malloc3.base|)))] [2018-04-10 15:24:08,049 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:08,049 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-10 15:24:08,050 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-10 15:24:08,050 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=885, Unknown=0, NotChecked=0, Total=1056 [2018-04-10 15:24:08,050 INFO L87 Difference]: Start difference. First operand 498 states and 542 transitions. Second operand 33 states. [2018-04-10 15:24:09,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:24:09,878 INFO L93 Difference]: Finished difference Result 631 states and 683 transitions. [2018-04-10 15:24:09,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-04-10 15:24:09,879 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 95 [2018-04-10 15:24:09,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:24:09,880 INFO L225 Difference]: With dead ends: 631 [2018-04-10 15:24:09,880 INFO L226 Difference]: Without dead ends: 631 [2018-04-10 15:24:09,880 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1292 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=908, Invalid=4062, Unknown=0, NotChecked=0, Total=4970 [2018-04-10 15:24:09,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2018-04-10 15:24:09,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 509. [2018-04-10 15:24:09,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 509 states. [2018-04-10 15:24:09,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 554 transitions. [2018-04-10 15:24:09,883 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 554 transitions. Word has length 95 [2018-04-10 15:24:09,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:24:09,883 INFO L459 AbstractCegarLoop]: Abstraction has 509 states and 554 transitions. [2018-04-10 15:24:09,883 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-10 15:24:09,883 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 554 transitions. [2018-04-10 15:24:09,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-04-10 15:24:09,883 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:24:09,883 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:24:09,883 INFO L408 AbstractCegarLoop]: === Iteration 61 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:24:09,884 INFO L82 PathProgramCache]: Analyzing trace with hash -876234313, now seen corresponding path program 5 times [2018-04-10 15:24:09,884 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:24:09,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:24:09,892 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:24:11,033 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:11,034 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:24:11,034 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-04-10 15:24:11,034 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:24:11,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:11,034 INFO L182 omatonBuilderFactory]: Interpolants [40461#true, 40462#false, 40463#(= 0 |main_#t~malloc0.offset|), 40464#(= main_~null~0.offset 0), 40465#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.offset 0)), 40466#(and (or (= main_~null~0.offset |main_#t~malloc1.offset|) (not (= main_~null~0.base |main_#t~malloc1.base|))) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base |main_#t~malloc1.base|)) (= main_~null~0.offset 0)), 40467#(and (= main_~null~0.offset 0) (or (= 1 (select |#valid| main_~null~0.base)) (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)))), 40468#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= main_~null~0.offset 0)), 40469#(and (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0)), 40470#(and (or (not (= main_~null~0.base |main_#t~malloc3.base|)) (= 0 |main_#t~malloc3.offset|)) (= main_~null~0.offset 0) (not (= main_~end~0.base |main_#t~malloc3.base|)) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.base |main_#t~malloc3.base|) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)))), 40471#(and (or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1))) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 40472#(and (or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1))) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset 0) (not (= main_~end~0.base |main_#t~mem4.base|))), 40473#(and (or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base))) (= main_~null~0.offset 0)), 40474#(and (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~null~0.base |main_#t~mem5.base|) (= 0 |main_#t~mem5.offset|)) (and (= 1 (select |#valid| main_~null~0.base)) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|)))) (= main_~null~0.offset 0)), 40475#(and (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~end~0.offset 0) (= main_~end~0.base main_~null~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset 0)), 40476#(and (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~end~0.offset 0) (= main_~end~0.base main_~null~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset 0) (= 1 (select |#valid| main_~end~0.base))), 40477#(and (= (select |#valid| main_~end~0.base) 1) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset 0)), 40478#(and (= main_~null~0.offset 0) (not (= main_~end~0.base |main_#t~malloc3.base|)) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (or (not (= main_~null~0.base |main_#t~malloc3.base|)) (= 0 |main_#t~malloc3.offset|)) (or (= main_~null~0.base |main_#t~malloc3.base|) (and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc3.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))))), 40479#(and (or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 40480#(and (or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= |main_#t~mem4.base| main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset 0) (not (= main_~end~0.base |main_#t~mem4.base|))), 40481#(and (= main_~null~0.offset 0) (or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)))), 40482#(and (= main_~null~0.offset 0) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~null~0.base |main_#t~mem5.base|) (= 0 |main_#t~mem5.offset|)) (and (= 1 (select |#valid| main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|)) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem5.base|))))), 40483#(and (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~end~0.offset 0) (= main_~end~0.base main_~null~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (= main_~null~0.offset 0)), 40484#(and (or (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~end~0.offset 0) (= main_~end~0.base main_~null~0.base))) (= main_~null~0.offset 0)), 40485#(and (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~end~0.offset 0) (= main_~end~0.base main_~null~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (= main_~null~0.offset 0)), 40486#(and (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~end~0.offset 0) (= main_~end~0.base main_~null~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (= main_~null~0.offset 0)), 40487#(and (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))) (= main_~null~0.offset 0)), 40488#(and (or (and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))) (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset))) (= main_~null~0.offset 0)), 40489#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= main_~null~0.offset 0)), 40490#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.offset 0) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|)))), 40491#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.offset 0)), 40492#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.offset 0) (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|))), 40493#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset 0)), 40494#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.offset 0) (= main_~null~0.base |main_#t~mem16.base|)), 40495#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset 0)), 40496#(= 1 (select |#valid| main_~end~0.base))] [2018-04-10 15:24:11,034 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:11,034 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-10 15:24:11,035 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-10 15:24:11,035 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=1123, Unknown=0, NotChecked=0, Total=1260 [2018-04-10 15:24:11,035 INFO L87 Difference]: Start difference. First operand 509 states and 554 transitions. Second operand 36 states. [2018-04-10 15:24:14,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:24:14,863 INFO L93 Difference]: Finished difference Result 543 states and 584 transitions. [2018-04-10 15:24:14,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-04-10 15:24:14,863 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 98 [2018-04-10 15:24:14,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:24:14,864 INFO L225 Difference]: With dead ends: 543 [2018-04-10 15:24:14,864 INFO L226 Difference]: Without dead ends: 543 [2018-04-10 15:24:14,864 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1197 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=992, Invalid=5170, Unknown=0, NotChecked=0, Total=6162 [2018-04-10 15:24:14,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2018-04-10 15:24:14,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 514. [2018-04-10 15:24:14,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 514 states. [2018-04-10 15:24:14,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 561 transitions. [2018-04-10 15:24:14,867 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 561 transitions. Word has length 98 [2018-04-10 15:24:14,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:24:14,867 INFO L459 AbstractCegarLoop]: Abstraction has 514 states and 561 transitions. [2018-04-10 15:24:14,867 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-10 15:24:14,867 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 561 transitions. [2018-04-10 15:24:14,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-04-10 15:24:14,868 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:24:14,868 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:24:14,868 INFO L408 AbstractCegarLoop]: === Iteration 62 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:24:14,868 INFO L82 PathProgramCache]: Analyzing trace with hash -876234312, now seen corresponding path program 4 times [2018-04-10 15:24:14,869 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:24:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:24:14,875 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:24:15,271 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 3 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:15,271 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:24:15,271 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-10 15:24:15,271 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:24:15,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:15,272 INFO L182 omatonBuilderFactory]: Interpolants [41664#(and (= main_~null~0.offset |main_#t~mem16.offset|) (= main_~null~0.base |main_#t~mem16.base|)), 41665#(and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)), 41640#true, 41641#false, 41642#(= 1 (select |#valid| main_~list~0.base)), 41643#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 41644#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc3.base|))), 41645#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 41646#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem4.base|))), 41647#(and (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 41648#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 41649#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 41650#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc3.base|)) (not (= main_~end~0.base |main_#t~malloc3.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 41651#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 41652#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= |main_#t~mem4.base| main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem4.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 41653#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|)) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem5.base|))), 41654#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 41655#(and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 41656#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) |main_#t~mem11.offset|) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 41657#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 41658#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 41659#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 41660#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|)))), 41661#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 41662#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|))), 41663#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))] [2018-04-10 15:24:15,272 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 3 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:15,272 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-10 15:24:15,272 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-10 15:24:15,272 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=585, Unknown=0, NotChecked=0, Total=650 [2018-04-10 15:24:15,272 INFO L87 Difference]: Start difference. First operand 514 states and 561 transitions. Second operand 26 states. [2018-04-10 15:24:16,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:24:16,456 INFO L93 Difference]: Finished difference Result 532 states and 571 transitions. [2018-04-10 15:24:16,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-10 15:24:16,456 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 98 [2018-04-10 15:24:16,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:24:16,457 INFO L225 Difference]: With dead ends: 532 [2018-04-10 15:24:16,457 INFO L226 Difference]: Without dead ends: 532 [2018-04-10 15:24:16,457 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 528 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=257, Invalid=2193, Unknown=0, NotChecked=0, Total=2450 [2018-04-10 15:24:16,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2018-04-10 15:24:16,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 513. [2018-04-10 15:24:16,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2018-04-10 15:24:16,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 558 transitions. [2018-04-10 15:24:16,460 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 558 transitions. Word has length 98 [2018-04-10 15:24:16,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:24:16,460 INFO L459 AbstractCegarLoop]: Abstraction has 513 states and 558 transitions. [2018-04-10 15:24:16,460 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-10 15:24:16,461 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 558 transitions. [2018-04-10 15:24:16,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-04-10 15:24:16,461 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:24:16,461 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:24:16,461 INFO L408 AbstractCegarLoop]: === Iteration 63 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:24:16,461 INFO L82 PathProgramCache]: Analyzing trace with hash 2120931195, now seen corresponding path program 3 times [2018-04-10 15:24:16,462 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:24:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:24:16,469 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:24:16,911 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:16,912 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:24:16,912 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-10 15:24:16,912 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:24:16,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:16,912 INFO L182 omatonBuilderFactory]: Interpolants [42759#true, 42760#false, 42761#(= 1 (select |#valid| main_~list~0.base)), 42762#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 42763#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc3.base|))), 42764#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 42765#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem4.base|))), 42766#(and (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 42767#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 42768#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 42769#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc3.base|)) (not (= main_~end~0.base |main_#t~malloc3.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 42770#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 42771#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= |main_#t~mem4.base| main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem4.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 42772#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|)) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem5.base|))), 42773#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 42774#(and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 42775#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) |main_#t~mem11.offset|) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 42776#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 42777#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 42778#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 42779#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|)))), 42780#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 42781#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|))), 42782#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 42783#(and (= main_~null~0.offset |main_#t~mem14.offset|) (= main_~null~0.base |main_#t~mem14.base|)), 42784#(and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset))] [2018-04-10 15:24:16,912 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:16,913 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-10 15:24:16,913 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-10 15:24:16,913 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=585, Unknown=0, NotChecked=0, Total=650 [2018-04-10 15:24:16,913 INFO L87 Difference]: Start difference. First operand 513 states and 558 transitions. Second operand 26 states. [2018-04-10 15:24:18,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:24:18,220 INFO L93 Difference]: Finished difference Result 534 states and 572 transitions. [2018-04-10 15:24:18,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-10 15:24:18,220 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 100 [2018-04-10 15:24:18,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:24:18,221 INFO L225 Difference]: With dead ends: 534 [2018-04-10 15:24:18,221 INFO L226 Difference]: Without dead ends: 530 [2018-04-10 15:24:18,222 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 528 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=257, Invalid=2193, Unknown=0, NotChecked=0, Total=2450 [2018-04-10 15:24:18,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2018-04-10 15:24:18,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 512. [2018-04-10 15:24:18,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2018-04-10 15:24:18,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 556 transitions. [2018-04-10 15:24:18,224 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 556 transitions. Word has length 100 [2018-04-10 15:24:18,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:24:18,225 INFO L459 AbstractCegarLoop]: Abstraction has 512 states and 556 transitions. [2018-04-10 15:24:18,225 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-10 15:24:18,225 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 556 transitions. [2018-04-10 15:24:18,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-04-10 15:24:18,225 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:24:18,225 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:24:18,225 INFO L408 AbstractCegarLoop]: === Iteration 64 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:24:18,225 INFO L82 PathProgramCache]: Analyzing trace with hash -1300519388, now seen corresponding path program 1 times [2018-04-10 15:24:18,226 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:24:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:24:18,234 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:24:19,343 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:19,343 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:24:19,343 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-04-10 15:24:19,343 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:24:19,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:19,343 INFO L182 omatonBuilderFactory]: Interpolants [43904#(and (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~end~0.offset 0) (= main_~end~0.base main_~null~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (= main_~null~0.offset 0)), 43905#(and (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))) (= main_~null~0.offset 0)), 43906#(and (or (and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))) (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset))) (= main_~null~0.offset 0)), 43907#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= main_~null~0.offset 0)), 43908#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.offset 0) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|)))), 43909#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.offset 0)), 43910#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) |main_#t~mem14.offset|)) (= main_~null~0.offset 0)), 43911#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset 0)), 43912#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.offset 0) (= main_~null~0.base |main_#t~mem16.base|)), 43913#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset 0)), 43914#(= 1 (select |#valid| main_~end~0.base)), 43879#true, 43880#false, 43881#(= 0 |main_#t~malloc0.offset|), 43882#(= main_~null~0.offset 0), 43883#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.offset 0)), 43884#(and (or (= main_~null~0.offset |main_#t~malloc1.offset|) (not (= main_~null~0.base |main_#t~malloc1.base|))) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base |main_#t~malloc1.base|)) (= main_~null~0.offset 0)), 43885#(and (= main_~null~0.offset 0) (or (= 1 (select |#valid| main_~null~0.base)) (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)))), 43886#(and (= 1 (select |#valid| main_~null~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= main_~null~0.offset 0)), 43887#(and (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0)), 43888#(and (or (not (= main_~null~0.base |main_#t~malloc3.base|)) (= 0 |main_#t~malloc3.offset|)) (= main_~null~0.offset 0) (not (= main_~end~0.base |main_#t~malloc3.base|)) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.base |main_#t~malloc3.base|) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)))), 43889#(and (or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1))) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 43890#(and (or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1))) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset 0) (not (= main_~end~0.base |main_#t~mem4.base|))), 43891#(and (or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base))) (= main_~null~0.offset 0)), 43892#(and (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~null~0.base |main_#t~mem5.base|) (= 0 |main_#t~mem5.offset|)) (and (= 1 (select |#valid| main_~null~0.base)) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|)))) (= main_~null~0.offset 0)), 43893#(and (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~end~0.offset 0) (= main_~end~0.base main_~null~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset 0)), 43894#(and (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~end~0.offset 0) (= main_~end~0.base main_~null~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset 0) (= 1 (select |#valid| main_~end~0.base))), 43895#(and (= (select |#valid| main_~end~0.base) 1) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset 0)), 43896#(and (= main_~null~0.offset 0) (not (= main_~end~0.base |main_#t~malloc3.base|)) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (or (not (= main_~null~0.base |main_#t~malloc3.base|)) (= 0 |main_#t~malloc3.offset|)) (or (= main_~null~0.base |main_#t~malloc3.base|) (and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc3.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))))), 43897#(and (or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 43898#(and (or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= |main_#t~mem4.base| main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset 0) (not (= main_~end~0.base |main_#t~mem4.base|))), 43899#(and (= main_~null~0.offset 0) (or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)))), 43900#(and (= main_~null~0.offset 0) (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~null~0.base |main_#t~mem5.base|) (= 0 |main_#t~mem5.offset|)) (and (= 1 (select |#valid| main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|)) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem5.base|))))), 43901#(and (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~end~0.offset 0) (= main_~end~0.base main_~null~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (= main_~null~0.offset 0)), 43902#(and (or (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~end~0.offset 0) (= main_~end~0.base main_~null~0.base))) (= main_~null~0.offset 0)), 43903#(and (or (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.base main_~list~0.base)) (and (= main_~end~0.offset 0) (= main_~end~0.base main_~null~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (= main_~null~0.offset 0))] [2018-04-10 15:24:19,344 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:19,344 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-10 15:24:19,344 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-10 15:24:19,344 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=1123, Unknown=0, NotChecked=0, Total=1260 [2018-04-10 15:24:19,344 INFO L87 Difference]: Start difference. First operand 512 states and 556 transitions. Second operand 36 states. [2018-04-10 15:24:23,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:24:23,073 INFO L93 Difference]: Finished difference Result 544 states and 584 transitions. [2018-04-10 15:24:23,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-04-10 15:24:23,074 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 101 [2018-04-10 15:24:23,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:24:23,075 INFO L225 Difference]: With dead ends: 544 [2018-04-10 15:24:23,075 INFO L226 Difference]: Without dead ends: 544 [2018-04-10 15:24:23,075 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1158 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=956, Invalid=5050, Unknown=0, NotChecked=0, Total=6006 [2018-04-10 15:24:23,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2018-04-10 15:24:23,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 516. [2018-04-10 15:24:23,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 516 states. [2018-04-10 15:24:23,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 562 transitions. [2018-04-10 15:24:23,079 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 562 transitions. Word has length 101 [2018-04-10 15:24:23,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:24:23,079 INFO L459 AbstractCegarLoop]: Abstraction has 516 states and 562 transitions. [2018-04-10 15:24:23,080 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-10 15:24:23,080 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 562 transitions. [2018-04-10 15:24:23,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-04-10 15:24:23,080 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:24:23,080 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:24:23,080 INFO L408 AbstractCegarLoop]: === Iteration 65 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:24:23,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1300519387, now seen corresponding path program 1 times [2018-04-10 15:24:23,081 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:24:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:24:23,088 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:24:23,485 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:23,485 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:24:23,485 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-10 15:24:23,485 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:24:23,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:23,486 INFO L182 omatonBuilderFactory]: Interpolants [45059#true, 45060#false, 45061#(= 1 (select |#valid| main_~list~0.base)), 45062#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 45063#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc3.base|))), 45064#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 45065#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem4.base|))), 45066#(and (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 45067#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 45068#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 45069#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc3.base|)) (not (= main_~end~0.base |main_#t~malloc3.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 45070#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 45071#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= |main_#t~mem4.base| main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem4.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 45072#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|)) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem5.base|))), 45073#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 45074#(and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 45075#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) |main_#t~mem11.offset|) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 45076#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 45077#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 45078#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 45079#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|)))), 45080#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 45081#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem14.base|) |main_#t~mem14.offset|)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) |main_#t~mem14.offset|))), 45082#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 45083#(and (= main_~null~0.offset |main_#t~mem16.offset|) (= main_~null~0.base |main_#t~mem16.base|)), 45084#(and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset))] [2018-04-10 15:24:23,486 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:23,486 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-10 15:24:23,486 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-10 15:24:23,486 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=585, Unknown=0, NotChecked=0, Total=650 [2018-04-10 15:24:23,486 INFO L87 Difference]: Start difference. First operand 516 states and 562 transitions. Second operand 26 states. [2018-04-10 15:24:24,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:24:24,580 INFO L93 Difference]: Finished difference Result 512 states and 548 transitions. [2018-04-10 15:24:24,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-10 15:24:24,581 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 101 [2018-04-10 15:24:24,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:24:24,581 INFO L225 Difference]: With dead ends: 512 [2018-04-10 15:24:24,582 INFO L226 Difference]: Without dead ends: 512 [2018-04-10 15:24:24,582 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 501 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=242, Invalid=2110, Unknown=0, NotChecked=0, Total=2352 [2018-04-10 15:24:24,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2018-04-10 15:24:24,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 496. [2018-04-10 15:24:24,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2018-04-10 15:24:24,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 532 transitions. [2018-04-10 15:24:24,585 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 532 transitions. Word has length 101 [2018-04-10 15:24:24,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:24:24,585 INFO L459 AbstractCegarLoop]: Abstraction has 496 states and 532 transitions. [2018-04-10 15:24:24,585 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-10 15:24:24,585 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 532 transitions. [2018-04-10 15:24:24,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-04-10 15:24:24,585 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:24:24,586 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:24:24,586 INFO L408 AbstractCegarLoop]: === Iteration 66 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:24:24,586 INFO L82 PathProgramCache]: Analyzing trace with hash -531331689, now seen corresponding path program 3 times [2018-04-10 15:24:24,586 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:24:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:24:24,596 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:24:25,201 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:25,201 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:24:25,201 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-10 15:24:25,202 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:24:25,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:25,202 INFO L182 omatonBuilderFactory]: Interpolants [46144#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 46145#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc3.base|))), 46146#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 46147#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem4.base|))), 46148#(and (= 0 main_~list~0.offset) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 46149#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 46150#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 46151#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~malloc3.base|)) (not (= main_~end~0.base |main_#t~malloc3.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 46152#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 46153#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= |main_#t~mem4.base| main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem4.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 46154#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|)) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem5.base|))), 46155#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~list~0.base main_~end~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 46156#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~list~0.base main_~end~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1)), 46157#(and (not (= main_~list~0.base main_~end~0.base)) (not (= main_~end~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~malloc7.offset| main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc7.base|))), 46158#(and (not (= main_~list~0.base main_~end~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 46159#(and (or (and (not (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= |main_#t~mem8.base| main_~list~0.base))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= main_~end~0.base |main_#t~mem8.base|))), 46160#(or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~end~0.base) 1))), 46161#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|)) (= |main_#t~mem9.offset| main_~list~0.offset)) (and (= |main_#t~mem9.base| main_~list~0.base) (= |main_#t~mem9.offset| main_~list~0.offset))), 46162#(or (and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 46163#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 46164#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem11.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 46165#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 46166#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 46167#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 46168#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|))) (and (= main_~null~0.offset |main_#t~mem16.offset|) (= main_~null~0.base |main_#t~mem16.base|))), 46169#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 46170#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 46171#(= 1 (select |#valid| |main_#t~mem16.base|)), 46172#(= 1 (select |#valid| main_~end~0.base)), 46139#true, 46140#false, 46141#(= 0 |main_#t~malloc1.offset|), 46142#(= 0 main_~list~0.offset), 46143#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset))] [2018-04-10 15:24:25,202 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:25,202 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-10 15:24:25,202 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-10 15:24:25,202 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=999, Unknown=0, NotChecked=0, Total=1122 [2018-04-10 15:24:25,202 INFO L87 Difference]: Start difference. First operand 496 states and 532 transitions. Second operand 34 states. [2018-04-10 15:24:27,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:24:27,580 INFO L93 Difference]: Finished difference Result 615 states and 659 transitions. [2018-04-10 15:24:27,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-04-10 15:24:27,581 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 101 [2018-04-10 15:24:27,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:24:27,582 INFO L225 Difference]: With dead ends: 615 [2018-04-10 15:24:27,582 INFO L226 Difference]: Without dead ends: 615 [2018-04-10 15:24:27,582 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1588 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=944, Invalid=5218, Unknown=0, NotChecked=0, Total=6162 [2018-04-10 15:24:27,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2018-04-10 15:24:27,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 533. [2018-04-10 15:24:27,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2018-04-10 15:24:27,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 574 transitions. [2018-04-10 15:24:27,585 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 574 transitions. Word has length 101 [2018-04-10 15:24:27,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:24:27,585 INFO L459 AbstractCegarLoop]: Abstraction has 533 states and 574 transitions. [2018-04-10 15:24:27,585 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-10 15:24:27,585 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 574 transitions. [2018-04-10 15:24:27,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-04-10 15:24:27,586 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:24:27,586 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:24:27,586 INFO L408 AbstractCegarLoop]: === Iteration 67 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:24:27,586 INFO L82 PathProgramCache]: Analyzing trace with hash -531331688, now seen corresponding path program 3 times [2018-04-10 15:24:27,586 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:24:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:24:27,596 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:24:28,345 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:28,346 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:24:28,346 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-10 15:24:28,346 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:24:28,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:28,346 INFO L182 omatonBuilderFactory]: Interpolants [47424#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 47425#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem4.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 47426#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|)) (= 12 (select |#length| |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem5.base|))), 47427#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~list~0.base main_~end~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base))), 47428#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~list~0.base main_~end~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~end~0.base))), 47429#(and (or (and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc7.base|))) (and (= |main_#t~malloc7.base| main_~list~0.base) (= |main_#t~malloc7.offset| main_~list~0.offset))) (not (= main_~end~0.base |main_#t~malloc7.base|))), 47430#(and (not (= main_~list~0.base main_~end~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))), 47431#(and (or (and (not (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base)) (not (= |main_#t~mem8.base| main_~list~0.base))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= main_~list~0.base main_~end~0.base)) (not (= main_~end~0.base |main_#t~mem8.base|))), 47432#(and (not (= main_~list~0.base main_~end~0.base)) (or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))), 47433#(or (and (= |main_#t~mem9.base| main_~list~0.base) (= |main_#t~mem9.offset| main_~list~0.offset)) (and (not (= main_~list~0.base |main_#t~mem9.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 47434#(or (and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 47435#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 47436#(or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem11.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 47437#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 47438#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 47439#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))))), 47440#(or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)))) (and (= main_~null~0.offset |main_#t~mem16.offset|) (= main_~null~0.base |main_#t~mem16.base|))), 47441#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 47442#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 47443#(and (= 12 (select |#length| |main_#t~mem16.base|)) (= 0 |main_#t~mem16.offset|)), 47444#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base))), 47411#true, 47412#false, 47413#(= 0 |main_#t~malloc1.offset|), 47414#(= 0 main_~list~0.offset), 47415#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 47416#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 47417#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc3.base|))), 47418#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 47419#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~end~0.base |main_#t~mem4.base|))), 47420#(and (= 0 main_~list~0.offset) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 47421#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 47422#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 47423#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~malloc3.base|)) (= 0 |main_#t~malloc3.offset|) (not (= main_~end~0.base |main_#t~malloc3.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| |main_#t~malloc3.base|)))] [2018-04-10 15:24:28,346 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:28,346 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-10 15:24:28,347 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-10 15:24:28,347 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=990, Unknown=0, NotChecked=0, Total=1122 [2018-04-10 15:24:28,347 INFO L87 Difference]: Start difference. First operand 533 states and 574 transitions. Second operand 34 states. [2018-04-10 15:24:30,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:24:30,947 INFO L93 Difference]: Finished difference Result 621 states and 665 transitions. [2018-04-10 15:24:30,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-04-10 15:24:30,948 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 101 [2018-04-10 15:24:30,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:24:30,949 INFO L225 Difference]: With dead ends: 621 [2018-04-10 15:24:30,949 INFO L226 Difference]: Without dead ends: 621 [2018-04-10 15:24:30,949 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1318 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=751, Invalid=4651, Unknown=0, NotChecked=0, Total=5402 [2018-04-10 15:24:30,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2018-04-10 15:24:30,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 535. [2018-04-10 15:24:30,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 535 states. [2018-04-10 15:24:30,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 576 transitions. [2018-04-10 15:24:30,952 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 576 transitions. Word has length 101 [2018-04-10 15:24:30,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:24:30,952 INFO L459 AbstractCegarLoop]: Abstraction has 535 states and 576 transitions. [2018-04-10 15:24:30,952 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-10 15:24:30,952 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 576 transitions. [2018-04-10 15:24:30,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-04-10 15:24:30,953 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:24:30,953 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:24:30,953 INFO L408 AbstractCegarLoop]: === Iteration 68 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:24:30,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1416247483, now seen corresponding path program 2 times [2018-04-10 15:24:30,953 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:24:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:24:30,961 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:24:31,408 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:24:31,409 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:24:31,409 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-10 15:24:31,409 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:24:31,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:31,409 INFO L182 omatonBuilderFactory]: Interpolants [48704#(and (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 48705#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 48706#(and (= 1 (select |#valid| |main_#t~mem18.base|)) (not (= main_~list~0.base |main_#t~mem18.base|))), 48707#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~end~0.base))), 48708#(= 1 (select |#valid| main_~end~0.base)), 48681#true, 48682#false, 48683#(= 1 (select |#valid| main_~list~0.base)), 48684#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1)), 48685#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (not (= main_~end~0.base |main_#t~malloc3.base|))), 48686#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 48687#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~end~0.base |main_#t~mem4.base|))), 48688#(and (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 48689#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 48690#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 48691#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base |main_#t~malloc7.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 48692#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 48693#(and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem8.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (not (= |main_#t~mem8.base| main_~list~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 48694#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 48695#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 48696#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 48697#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 48698#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)))) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset))))), 48699#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 48700#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 48701#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 48702#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 48703#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))] [2018-04-10 15:24:31,409 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:24:31,409 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-10 15:24:31,409 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-10 15:24:31,409 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=671, Unknown=0, NotChecked=0, Total=756 [2018-04-10 15:24:31,410 INFO L87 Difference]: Start difference. First operand 535 states and 576 transitions. Second operand 28 states. [2018-04-10 15:24:32,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:24:32,493 INFO L93 Difference]: Finished difference Result 553 states and 594 transitions. [2018-04-10 15:24:32,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-04-10 15:24:32,493 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 101 [2018-04-10 15:24:32,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:24:32,494 INFO L225 Difference]: With dead ends: 553 [2018-04-10 15:24:32,494 INFO L226 Difference]: Without dead ends: 553 [2018-04-10 15:24:32,494 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 730 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=470, Invalid=2610, Unknown=0, NotChecked=0, Total=3080 [2018-04-10 15:24:32,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2018-04-10 15:24:32,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 538. [2018-04-10 15:24:32,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2018-04-10 15:24:32,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 580 transitions. [2018-04-10 15:24:32,497 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 580 transitions. Word has length 101 [2018-04-10 15:24:32,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:24:32,497 INFO L459 AbstractCegarLoop]: Abstraction has 538 states and 580 transitions. [2018-04-10 15:24:32,497 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-10 15:24:32,498 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 580 transitions. [2018-04-10 15:24:32,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-04-10 15:24:32,498 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:24:32,498 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:24:32,498 INFO L408 AbstractCegarLoop]: === Iteration 69 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:24:32,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1416247482, now seen corresponding path program 1 times [2018-04-10 15:24:32,499 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:24:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:24:32,505 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:24:32,679 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:24:32,679 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:24:32,679 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-10 15:24:32,679 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:24:32,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:32,680 INFO L182 omatonBuilderFactory]: Interpolants [49856#true, 49857#false, 49858#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base)), 49859#(and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem16.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 49860#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 49861#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem16.base|) (= |main_#t~mem16.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 49862#(and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 49863#(and (<= (+ main_~end~0.offset 12) (select |#length| main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 49864#(and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 49865#(and (<= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 49866#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 49867#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 49868#(and (<= 0 |main_#t~mem18.offset|) (<= (+ |main_#t~mem18.offset| 12) (select |#length| |main_#t~mem18.base|))), 49869#(and (<= (+ main_~end~0.offset 12) (select |#length| main_~end~0.base)) (<= 0 main_~end~0.offset))] [2018-04-10 15:24:32,680 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:24:32,680 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-10 15:24:32,680 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-10 15:24:32,680 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2018-04-10 15:24:32,680 INFO L87 Difference]: Start difference. First operand 538 states and 580 transitions. Second operand 14 states. [2018-04-10 15:24:33,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:24:33,347 INFO L93 Difference]: Finished difference Result 695 states and 741 transitions. [2018-04-10 15:24:33,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-10 15:24:33,347 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 101 [2018-04-10 15:24:33,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:24:33,348 INFO L225 Difference]: With dead ends: 695 [2018-04-10 15:24:33,348 INFO L226 Difference]: Without dead ends: 695 [2018-04-10 15:24:33,349 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2018-04-10 15:24:33,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2018-04-10 15:24:33,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 615. [2018-04-10 15:24:33,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 615 states. [2018-04-10 15:24:33,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 670 transitions. [2018-04-10 15:24:33,352 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 670 transitions. Word has length 101 [2018-04-10 15:24:33,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:24:33,352 INFO L459 AbstractCegarLoop]: Abstraction has 615 states and 670 transitions. [2018-04-10 15:24:33,352 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-10 15:24:33,352 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 670 transitions. [2018-04-10 15:24:33,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-04-10 15:24:33,353 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:24:33,353 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:24:33,353 INFO L408 AbstractCegarLoop]: === Iteration 70 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:24:33,353 INFO L82 PathProgramCache]: Analyzing trace with hash -2040899237, now seen corresponding path program 4 times [2018-04-10 15:24:33,353 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:24:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:24:33,364 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:24:34,351 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:34,351 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:24:34,351 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-04-10 15:24:34,351 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:24:34,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:34,352 INFO L182 omatonBuilderFactory]: Interpolants [51200#(and (= 0 |main_#t~malloc1.offset|) (= main_~null~0.offset 0)), 51201#(and (= 0 main_~list~0.offset) (= main_~null~0.offset 0)), 51202#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset) (= main_~null~0.offset 0)), 51203#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0)), 51204#(and (= |main_#t~malloc3.offset| main_~null~0.offset) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= main_~null~0.offset 0) (not (= main_~end~0.base |main_#t~malloc3.base|)) (= 12 (select |#length| |main_#t~malloc3.base|))), 51205#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base main_~list~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 51206#(and (= 12 (select |#length| |main_#t~mem4.base|)) (= main_~end~0.base main_~list~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset 0) (not (= main_~end~0.base |main_#t~mem4.base|))), 51207#(and (= 0 main_~list~0.offset) (= 12 (select |#length| |main_#t~mem5.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|)) (= |main_#t~mem5.offset| main_~null~0.offset)), 51208#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset main_~null~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 12 (select |#length| main_~end~0.base)) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 51209#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset main_~null~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~end~0.base)) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 51210#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base |main_#t~malloc7.base|)) (= main_~end~0.offset main_~null~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 12 (select |#length| main_~end~0.base)) (= main_~null~0.offset 0)), 51211#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset main_~null~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#length| main_~end~0.base) 12) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 51212#(and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= main_~end~0.offset main_~null~0.offset) (= (select |#length| main_~end~0.base) 12) (not (= main_~end~0.base |main_#t~mem8.base|)) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0) (not (= |main_#t~mem8.base| main_~list~0.base))), 51213#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 12) (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (= main_~null~0.offset 0)), 51214#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 12) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~null~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))), 51215#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 12) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~null~0.offset 0) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))), 51216#(and (or (and (= |main_#t~malloc3.offset| main_~list~0.offset) (= |main_#t~malloc3.base| main_~list~0.base)) (and (not (= main_~end~0.base main_~list~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc3.base|)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~malloc3.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (or (and (= |main_#t~malloc3.offset| main_~list~0.offset) (= |main_#t~malloc3.base| main_~list~0.base)) (and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 12) (= main_~null~0.offset 0))) (not (= main_~end~0.base |main_#t~malloc3.base|))), 51217#(and (or (and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 12) (= main_~null~0.offset 0)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))), 51218#(and (or (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= main_~end~0.base |main_#t~mem4.base|)) (or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)) (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= |main_#t~mem4.base| main_~list~0.base)) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 12) (= main_~null~0.offset 0)))), 51219#(and (or (and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 12) (= main_~null~0.offset 0)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))), 51220#(and (or (and (= |main_#t~mem5.base| main_~list~0.base) (= |main_#t~mem5.offset| main_~list~0.offset)) (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))) (not (= main_~list~0.base |main_#t~mem5.base|)))) (or (and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 12) (= main_~null~0.offset 0)) (and (= |main_#t~mem5.base| main_~list~0.base) (= |main_#t~mem5.offset| main_~list~0.offset)))), 51221#(and (or (and (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))) (or (and (not (= main_~end~0.base main_~list~0.base)) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 12) (= main_~null~0.offset 0)) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)))), 51222#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))) (or (and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 12) (= main_~null~0.offset 0)) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)))), 51223#(and (or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem11.offset|) (= main_~end~0.base main_~list~0.base)) (and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 12) (= main_~null~0.offset 0))) (or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))))), 51224#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base)) (and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 12) (= main_~null~0.offset 0)))), 51225#(and (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (or (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 12) (= main_~null~0.offset 0)))), 51226#(and (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset)))) (or (and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 12) (= main_~null~0.offset 0)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 51227#(and (or (= main_~null~0.offset |main_#t~mem16.offset|) (and (<= (select |#length| |main_#t~mem16.base|) 12) (= main_~null~0.offset 0))) (or (= main_~null~0.base |main_#t~mem16.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) main_~null~0.offset))))), 51228#(and (or (= main_~end~0.base main_~null~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~null~0.offset)))) (or (and (not (= main_~end~0.offset 0)) (or (<= main_~end~0.offset 0) (<= (select |#length| main_~end~0.base) 12))) (= main_~null~0.offset main_~end~0.offset))), 51229#(or (and (not (= main_~end~0.offset 0)) (or (<= main_~end~0.offset 0) (<= (select |#length| main_~end~0.base) 12))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 51230#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (not (= main_~end~0.offset 0)) (<= main_~end~0.offset 0))), 51231#(= 1 (select |#valid| |main_#t~mem16.base|)), 51232#(= 1 (select |#valid| main_~end~0.base)), 51196#true, 51197#false, 51198#(= 0 |main_#t~malloc0.offset|), 51199#(= main_~null~0.offset 0)] [2018-04-10 15:24:34,352 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:34,352 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-04-10 15:24:34,352 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-04-10 15:24:34,352 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=1194, Unknown=0, NotChecked=0, Total=1332 [2018-04-10 15:24:34,352 INFO L87 Difference]: Start difference. First operand 615 states and 670 transitions. Second operand 37 states. [2018-04-10 15:24:37,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:24:37,926 INFO L93 Difference]: Finished difference Result 724 states and 792 transitions. [2018-04-10 15:24:37,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-04-10 15:24:37,926 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 101 [2018-04-10 15:24:37,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:24:37,927 INFO L225 Difference]: With dead ends: 724 [2018-04-10 15:24:37,927 INFO L226 Difference]: Without dead ends: 724 [2018-04-10 15:24:37,927 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1873 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=1285, Invalid=6197, Unknown=0, NotChecked=0, Total=7482 [2018-04-10 15:24:37,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2018-04-10 15:24:37,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 619. [2018-04-10 15:24:37,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 619 states. [2018-04-10 15:24:37,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 676 transitions. [2018-04-10 15:24:37,931 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 676 transitions. Word has length 101 [2018-04-10 15:24:37,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:24:37,931 INFO L459 AbstractCegarLoop]: Abstraction has 619 states and 676 transitions. [2018-04-10 15:24:37,931 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-04-10 15:24:37,931 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 676 transitions. [2018-04-10 15:24:37,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-04-10 15:24:37,932 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:24:37,932 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:24:37,932 INFO L408 AbstractCegarLoop]: === Iteration 71 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:24:37,932 INFO L82 PathProgramCache]: Analyzing trace with hash -2040899236, now seen corresponding path program 4 times [2018-04-10 15:24:37,933 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:24:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:24:37,942 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:24:38,956 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:38,957 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:24:38,957 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-04-10 15:24:38,957 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:24:38,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:38,957 INFO L182 omatonBuilderFactory]: Interpolants [52676#true, 52677#false, 52678#(= 0 |main_#t~malloc0.offset|), 52679#(= main_~null~0.offset 0), 52680#(and (= 0 |main_#t~malloc1.offset|) (= main_~null~0.offset 0)), 52681#(and (= 0 main_~list~0.offset) (= main_~null~0.offset 0)), 52682#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset) (= main_~null~0.offset 0)), 52683#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0)), 52684#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= main_~null~0.offset |main_#t~malloc3.offset|) (= main_~null~0.offset 0) (not (= main_~end~0.base |main_#t~malloc3.base|))), 52685#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 52686#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1) (not (= main_~end~0.base |main_#t~mem4.base|))), 52687#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|)) (= |main_#t~mem5.offset| main_~null~0.offset)), 52688#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset main_~null~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 52689#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset main_~null~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 52690#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~null~0.offset) (= main_~null~0.offset |main_#t~malloc7.offset|) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base |main_#t~malloc7.base|)) (= main_~end~0.offset main_~null~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 12 (select |#length| |main_#t~malloc7.base|))), 52691#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 main_~null~0.offset) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset main_~null~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~null~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 52692#(and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 0 main_~null~0.offset) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset main_~null~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem8.base|)) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~null~0.offset)) (= 12 (select |#length| |main_#t~mem8.base|))), 52693#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= 0 main_~null~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 12 (select |#length| |main_#t~mem9.base|)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))), 52694#(and (= 0 main_~null~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~list~0.base main_~end~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= 12 (select |#length| main_~end~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))), 52695#(and (= 0 main_~null~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~list~0.base main_~end~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= 12 (select |#length| main_~end~0.base)) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))), 52696#(and (= |main_#t~malloc3.offset| main_~list~0.offset) (= 0 main_~null~0.offset) (not (= main_~list~0.base main_~end~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc3.base|)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (not (= main_~end~0.base |main_#t~malloc3.base|))), 52697#(and (= 0 main_~null~0.offset) (not (= main_~list~0.base main_~end~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| main_~end~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))), 52698#(and (or (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= main_~list~0.base main_~end~0.base)) (or (and (= 0 main_~null~0.offset) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (not (= |main_#t~mem4.base| main_~list~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| main_~end~0.base)) (not (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= main_~end~0.base |main_#t~mem4.base|))), 52699#(and (not (= main_~list~0.base main_~end~0.base)) (or (and (= 0 main_~null~0.offset) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| main_~end~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))), 52700#(and (or (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (and (= |main_#t~mem5.base| main_~list~0.base) (= |main_#t~mem5.offset| main_~list~0.offset))) (or (and (= 0 main_~null~0.offset) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|)) (= |main_#t~mem5.offset| main_~list~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (and (= |main_#t~mem5.base| main_~list~0.base) (= |main_#t~mem5.offset| main_~list~0.offset)))), 52701#(and (or (and (= 0 main_~null~0.offset) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))) (or (and (not (= main_~end~0.base main_~list~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)))), 52702#(and (or (and (= 0 main_~null~0.offset) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))) (or (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)))), 52703#(and (or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (= 0 main_~null~0.offset) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))))) (or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem11.offset|) (= main_~end~0.base main_~list~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 52704#(and (or (and (= 0 main_~null~0.offset) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 52705#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (and (= 0 main_~null~0.offset) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))))), 52706#(and (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (and (= 0 main_~null~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 52707#(and (= main_~null~0.offset |main_#t~mem16.offset|) (or (= main_~null~0.base |main_#t~mem16.base|) (and (= 0 main_~null~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) main_~null~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) main_~null~0.offset))))), 52708#(and (= main_~null~0.offset main_~end~0.offset) (or (and (= 0 main_~null~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~null~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~null~0.offset))) (= main_~end~0.base main_~null~0.base))), 52709#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 main_~null~0.offset) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 52710#(and (= main_~null~0.offset |main_#t~mem16.offset|) (= 0 main_~null~0.offset) (= 12 (select |#length| |main_#t~mem16.base|))), 52711#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base)) (= main_~null~0.offset main_~end~0.offset)), 52712#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base)))] [2018-04-10 15:24:38,958 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:38,958 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-04-10 15:24:38,958 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-04-10 15:24:38,958 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=1165, Unknown=0, NotChecked=0, Total=1332 [2018-04-10 15:24:38,958 INFO L87 Difference]: Start difference. First operand 619 states and 676 transitions. Second operand 37 states. [2018-04-10 15:24:42,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:24:42,190 INFO L93 Difference]: Finished difference Result 735 states and 803 transitions. [2018-04-10 15:24:42,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-04-10 15:24:42,190 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 101 [2018-04-10 15:24:42,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:24:42,191 INFO L225 Difference]: With dead ends: 735 [2018-04-10 15:24:42,191 INFO L226 Difference]: Without dead ends: 735 [2018-04-10 15:24:42,192 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1439 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=964, Invalid=5198, Unknown=0, NotChecked=0, Total=6162 [2018-04-10 15:24:42,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2018-04-10 15:24:42,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 582. [2018-04-10 15:24:42,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2018-04-10 15:24:42,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 634 transitions. [2018-04-10 15:24:42,195 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 634 transitions. Word has length 101 [2018-04-10 15:24:42,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:24:42,195 INFO L459 AbstractCegarLoop]: Abstraction has 582 states and 634 transitions. [2018-04-10 15:24:42,195 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-04-10 15:24:42,195 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 634 transitions. [2018-04-10 15:24:42,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-04-10 15:24:42,195 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:24:42,196 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:24:42,196 INFO L408 AbstractCegarLoop]: === Iteration 72 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:24:42,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1791692814, now seen corresponding path program 4 times [2018-04-10 15:24:42,196 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:24:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:24:42,203 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:24:42,602 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:42,603 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:24:42,603 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-10 15:24:42,603 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:24:42,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:42,603 INFO L182 omatonBuilderFactory]: Interpolants [54114#true, 54115#false, 54116#(= 0 |main_#t~malloc0.offset|), 54117#(= main_~null~0.offset 0), 54118#(and (= 1 (select |#valid| main_~list~0.base)) (= main_~null~0.offset 0)), 54119#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0)), 54120#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 |main_#t~malloc3.offset|) (= main_~null~0.offset 0) (not (= main_~end~0.base |main_#t~malloc3.base|))), 54121#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 54122#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1) (not (= main_~end~0.base |main_#t~mem4.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 54123#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|)) (= 0 |main_#t~mem5.offset|)), 54124#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1)), 54125#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 54126#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 54127#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= main_~list~0.base |main_#t~malloc3.base|)) (not (= main_~end~0.base |main_#t~malloc3.base|))), 54128#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 54129#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= |main_#t~mem4.base| main_~list~0.base)) (not (= main_~end~0.base |main_#t~mem4.base|))), 54130#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 54131#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= main_~list~0.base |main_#t~mem5.base|))), 54132#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= main_~list~0.base main_~end~0.base))), 54133#(not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)), 54134#(and (= main_~list~0.base main_~end~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) main_~null~0.base))), 54135#(not (= |main_#t~mem20.base| main_~null~0.base)), 54136#(not (= main_~end~0.base main_~null~0.base)), 54137#(not (= main_~list~0.base main_~null~0.base))] [2018-04-10 15:24:42,603 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:42,603 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-10 15:24:42,603 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-10 15:24:42,604 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=477, Unknown=0, NotChecked=0, Total=552 [2018-04-10 15:24:42,604 INFO L87 Difference]: Start difference. First operand 582 states and 634 transitions. Second operand 24 states. [2018-04-10 15:24:43,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:24:43,739 INFO L93 Difference]: Finished difference Result 761 states and 839 transitions. [2018-04-10 15:24:43,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-10 15:24:43,739 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 102 [2018-04-10 15:24:43,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:24:43,741 INFO L225 Difference]: With dead ends: 761 [2018-04-10 15:24:43,741 INFO L226 Difference]: Without dead ends: 749 [2018-04-10 15:24:43,741 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 566 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=465, Invalid=2291, Unknown=0, NotChecked=0, Total=2756 [2018-04-10 15:24:43,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2018-04-10 15:24:43,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 623. [2018-04-10 15:24:43,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2018-04-10 15:24:43,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 675 transitions. [2018-04-10 15:24:43,744 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 675 transitions. Word has length 102 [2018-04-10 15:24:43,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:24:43,744 INFO L459 AbstractCegarLoop]: Abstraction has 623 states and 675 transitions. [2018-04-10 15:24:43,744 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-10 15:24:43,744 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 675 transitions. [2018-04-10 15:24:43,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-04-10 15:24:43,745 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:24:43,745 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:24:43,745 INFO L408 AbstractCegarLoop]: === Iteration 73 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:24:43,745 INFO L82 PathProgramCache]: Analyzing trace with hash -3887343, now seen corresponding path program 2 times [2018-04-10 15:24:43,746 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:24:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:24:43,755 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:24:44,411 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:44,411 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:24:44,411 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-10 15:24:44,411 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:24:44,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:44,412 INFO L182 omatonBuilderFactory]: Interpolants [55580#true, 55581#false, 55582#(= 0 |main_#t~malloc0.offset|), 55583#(= main_~null~0.offset 0), 55584#(and (= 1 (select |#valid| main_~list~0.base)) (= main_~null~0.offset 0)), 55585#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0)), 55586#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.offset 0) (not (= main_~end~0.base |main_#t~malloc3.base|))), 55587#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 55588#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset 0) (= 1 (select |#valid| main_~end~0.base)) (not (= main_~end~0.base |main_#t~mem4.base|))), 55589#(and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.offset|) (= 1 (select |#valid| main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= main_~null~0.offset 0) (not (= main_~list~0.base |main_#t~mem5.base|))), 55590#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 55591#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 55592#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base |main_#t~malloc7.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| |main_#t~malloc7.base|)) (= main_~null~0.offset 0) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 55593#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 55594#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem8.base|)) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= |main_#t~mem8.base| main_~list~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 55595#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= 12 (select |#length| |main_#t~mem9.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem9.base|) (= main_~null~0.offset 0)), 55596#(and (not (= main_~end~0.base main_~list~0.base)) (or (< main_~end~0.offset main_~null~0.offset) (and (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base)))) (= main_~null~0.offset 0)), 55597#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#length| main_~end~0.base) 12) (<= 0 main_~end~0.offset) (= main_~null~0.offset 0)), 55598#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#length| main_~end~0.base) 12) (<= 0 main_~end~0.offset) (= main_~null~0.offset 0) (< main_~end~0.offset (+ main_~null~0.offset 1))), 55599#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (= main_~null~0.offset 0)), 55600#(and (= main_~list~0.offset main_~end~0.offset) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) main_~null~0.base)) (= main_~list~0.base main_~end~0.base) (= main_~null~0.offset 0)), 55601#(and (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem16.base|) (= main_~null~0.offset 0)), 55602#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (= main_~null~0.offset 0)), 55603#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0)), 55604#(and (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0)), 55605#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 55606#(and (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base)) (= main_~null~0.offset 0)), 55607#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (= main_~null~0.offset 0)), 55608#(and (not (= |main_#t~mem20.base| main_~null~0.base)) (= main_~null~0.offset 0)), 55609#(and (= main_~null~0.offset 0) (not (= main_~end~0.base main_~null~0.base))), 55610#(and (= main_~null~0.offset 0) (not (= main_~list~0.base main_~null~0.base)))] [2018-04-10 15:24:44,412 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:44,412 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-10 15:24:44,412 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-10 15:24:44,412 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=823, Unknown=0, NotChecked=0, Total=930 [2018-04-10 15:24:44,412 INFO L87 Difference]: Start difference. First operand 623 states and 675 transitions. Second operand 31 states. [2018-04-10 15:24:45,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:24:45,669 INFO L93 Difference]: Finished difference Result 665 states and 716 transitions. [2018-04-10 15:24:45,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-04-10 15:24:45,669 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 102 [2018-04-10 15:24:45,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:24:45,671 INFO L225 Difference]: With dead ends: 665 [2018-04-10 15:24:45,671 INFO L226 Difference]: Without dead ends: 657 [2018-04-10 15:24:45,671 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 4 SyntacticMatches, 5 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1139 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=501, Invalid=4055, Unknown=0, NotChecked=0, Total=4556 [2018-04-10 15:24:45,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2018-04-10 15:24:45,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 628. [2018-04-10 15:24:45,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 628 states. [2018-04-10 15:24:45,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 679 transitions. [2018-04-10 15:24:45,674 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 679 transitions. Word has length 102 [2018-04-10 15:24:45,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:24:45,674 INFO L459 AbstractCegarLoop]: Abstraction has 628 states and 679 transitions. [2018-04-10 15:24:45,674 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-10 15:24:45,674 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 679 transitions. [2018-04-10 15:24:45,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-04-10 15:24:45,675 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:24:45,675 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:24:45,675 INFO L408 AbstractCegarLoop]: === Iteration 74 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:24:45,675 INFO L82 PathProgramCache]: Analyzing trace with hash 74328725, now seen corresponding path program 1 times [2018-04-10 15:24:45,676 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:24:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:24:45,688 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:24:46,053 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-04-10 15:24:46,053 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:24:46,053 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-10 15:24:46,053 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:24:46,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:46,053 INFO L182 omatonBuilderFactory]: Interpolants [56978#true, 56979#false, 56980#(= 0 |main_#t~malloc0.offset|), 56981#(= main_~null~0.offset 0), 56982#(and (= 1 (select |#valid| main_~list~0.base)) (= main_~null~0.offset 0)), 56983#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0)), 56984#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.offset 0) (not (= main_~end~0.base |main_#t~malloc3.base|))), 56985#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 56986#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset 0) (not (= main_~end~0.base |main_#t~mem4.base|))), 56987#(and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.offset|) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 56988#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 56989#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 56990#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 |main_#t~malloc7.offset|) (not (= main_~list~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base |main_#t~malloc7.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 56991#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 56992#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem8.base|)) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= |main_#t~mem8.base| main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 56993#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= 0 |main_#t~mem9.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem9.base|) (= main_~null~0.offset 0)), 56994#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.offset 0)), 56995#(and (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.offset 0)), 56996#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)), 56997#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) main_~null~0.base)), 56998#(not (= (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|) main_~null~0.base)), 56999#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base)), 57000#(and (= (select |#valid| main_~end~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base))), 57001#(not (= |main_#t~mem16.base| main_~null~0.base)), 57002#(not (= main_~end~0.base main_~null~0.base))] [2018-04-10 15:24:46,053 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-04-10 15:24:46,054 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-10 15:24:46,054 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-10 15:24:46,054 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=526, Unknown=0, NotChecked=0, Total=600 [2018-04-10 15:24:46,054 INFO L87 Difference]: Start difference. First operand 628 states and 679 transitions. Second operand 25 states. [2018-04-10 15:24:46,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:24:46,991 INFO L93 Difference]: Finished difference Result 611 states and 661 transitions. [2018-04-10 15:24:46,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-10 15:24:46,991 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 102 [2018-04-10 15:24:46,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:24:46,992 INFO L225 Difference]: With dead ends: 611 [2018-04-10 15:24:46,993 INFO L226 Difference]: Without dead ends: 611 [2018-04-10 15:24:46,993 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 464 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=345, Invalid=2007, Unknown=0, NotChecked=0, Total=2352 [2018-04-10 15:24:46,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2018-04-10 15:24:46,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 611. [2018-04-10 15:24:46,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2018-04-10 15:24:46,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 661 transitions. [2018-04-10 15:24:46,997 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 661 transitions. Word has length 102 [2018-04-10 15:24:46,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:24:46,997 INFO L459 AbstractCegarLoop]: Abstraction has 611 states and 661 transitions. [2018-04-10 15:24:46,997 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-10 15:24:46,997 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 661 transitions. [2018-04-10 15:24:46,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-04-10 15:24:46,998 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:24:46,998 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:24:46,998 INFO L408 AbstractCegarLoop]: === Iteration 75 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:24:46,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1435096229, now seen corresponding path program 1 times [2018-04-10 15:24:46,998 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:24:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:24:47,008 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:24:47,604 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:47,604 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:24:47,604 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-10 15:24:47,604 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:24:47,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:47,605 INFO L182 omatonBuilderFactory]: Interpolants [58304#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 58305#(= 1 (select |#valid| |main_#t~mem14.base|)), 58306#(= 1 (select |#valid| main_~end~0.base)), 58273#true, 58274#false, 58275#(= 0 |main_#t~malloc1.offset|), 58276#(= 0 main_~list~0.offset), 58277#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 58278#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 58279#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc3.base|))), 58280#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 58281#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem4.base|))), 58282#(and (= 0 main_~list~0.offset) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 58283#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 58284#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 58285#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~malloc3.base|)) (not (= main_~end~0.base |main_#t~malloc3.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 58286#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 58287#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= |main_#t~mem4.base| main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem4.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 58288#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|)) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem5.base|))), 58289#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~list~0.base main_~end~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 58290#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~list~0.base main_~end~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1)), 58291#(and (not (= main_~list~0.base main_~end~0.base)) (not (= main_~end~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~malloc7.offset| main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc7.base|))), 58292#(and (not (= main_~list~0.base main_~end~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 58293#(and (or (and (not (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= |main_#t~mem8.base| main_~list~0.base))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= main_~end~0.base |main_#t~mem8.base|))), 58294#(or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~end~0.base) 1))), 58295#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|)) (= |main_#t~mem9.offset| main_~list~0.offset)) (and (= |main_#t~mem9.base| main_~list~0.base) (= |main_#t~mem9.offset| main_~list~0.offset))), 58296#(or (and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 58297#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 58298#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem11.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 58299#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 58300#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 58301#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 58302#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|))) (and (= main_~null~0.offset |main_#t~mem16.offset|) (= main_~null~0.base |main_#t~mem16.base|))), 58303#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))] [2018-04-10 15:24:47,605 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:47,605 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-10 15:24:47,605 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-10 15:24:47,606 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=999, Unknown=0, NotChecked=0, Total=1122 [2018-04-10 15:24:47,606 INFO L87 Difference]: Start difference. First operand 611 states and 661 transitions. Second operand 34 states. [2018-04-10 15:24:49,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:24:49,827 INFO L93 Difference]: Finished difference Result 753 states and 820 transitions. [2018-04-10 15:24:49,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-04-10 15:24:49,827 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 103 [2018-04-10 15:24:49,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:24:49,829 INFO L225 Difference]: With dead ends: 753 [2018-04-10 15:24:49,829 INFO L226 Difference]: Without dead ends: 753 [2018-04-10 15:24:49,829 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1533 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=921, Invalid=5085, Unknown=0, NotChecked=0, Total=6006 [2018-04-10 15:24:49,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2018-04-10 15:24:49,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 650. [2018-04-10 15:24:49,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 650 states. [2018-04-10 15:24:49,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 704 transitions. [2018-04-10 15:24:49,832 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 704 transitions. Word has length 103 [2018-04-10 15:24:49,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:24:49,833 INFO L459 AbstractCegarLoop]: Abstraction has 650 states and 704 transitions. [2018-04-10 15:24:49,833 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-10 15:24:49,833 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 704 transitions. [2018-04-10 15:24:49,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-04-10 15:24:49,833 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:24:49,833 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:24:49,833 INFO L408 AbstractCegarLoop]: === Iteration 76 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:24:49,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1435096228, now seen corresponding path program 1 times [2018-04-10 15:24:49,834 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:24:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:24:49,843 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:24:50,611 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:50,612 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:24:50,612 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-10 15:24:50,612 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:24:50,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:50,612 INFO L182 omatonBuilderFactory]: Interpolants [59798#true, 59799#false, 59800#(= 0 |main_#t~malloc1.offset|), 59801#(= 0 main_~list~0.offset), 59802#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 59803#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 59804#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc3.base|))), 59805#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 59806#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~end~0.base |main_#t~mem4.base|))), 59807#(and (= 0 main_~list~0.offset) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 59808#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 59809#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 59810#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~malloc3.base|)) (= 0 |main_#t~malloc3.offset|) (not (= main_~end~0.base |main_#t~malloc3.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| |main_#t~malloc3.base|))), 59811#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 59812#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem4.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 59813#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|)) (= 12 (select |#length| |main_#t~mem5.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem5.base|))), 59814#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~list~0.base main_~end~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base))), 59815#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~list~0.base main_~end~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~end~0.base))), 59816#(and (or (and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc7.base|))) (and (= |main_#t~malloc7.base| main_~list~0.base) (= |main_#t~malloc7.offset| main_~list~0.offset))) (not (= main_~end~0.base |main_#t~malloc7.base|))), 59817#(and (not (= main_~list~0.base main_~end~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))), 59818#(and (or (and (not (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base)) (not (= |main_#t~mem8.base| main_~list~0.base))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= main_~list~0.base main_~end~0.base)) (not (= main_~end~0.base |main_#t~mem8.base|))), 59819#(and (not (= main_~list~0.base main_~end~0.base)) (or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))), 59820#(or (and (= |main_#t~mem9.base| main_~list~0.base) (= |main_#t~mem9.offset| main_~list~0.offset)) (and (not (= main_~list~0.base |main_#t~mem9.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 59821#(or (and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 59822#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 59823#(or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem11.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 59824#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 59825#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 59826#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))))), 59827#(or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)))) (and (= main_~null~0.offset |main_#t~mem16.offset|) (= main_~null~0.base |main_#t~mem16.base|))), 59828#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 59829#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 59830#(and (= 0 |main_#t~mem14.offset|) (= 12 (select |#length| |main_#t~mem14.base|))), 59831#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base)))] [2018-04-10 15:24:50,612 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:50,612 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-10 15:24:50,613 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-10 15:24:50,613 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=990, Unknown=0, NotChecked=0, Total=1122 [2018-04-10 15:24:50,613 INFO L87 Difference]: Start difference. First operand 650 states and 704 transitions. Second operand 34 states. [2018-04-10 15:24:53,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:24:53,139 INFO L93 Difference]: Finished difference Result 763 states and 829 transitions. [2018-04-10 15:24:53,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-04-10 15:24:53,139 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 103 [2018-04-10 15:24:53,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:24:53,141 INFO L225 Difference]: With dead ends: 763 [2018-04-10 15:24:53,141 INFO L226 Difference]: Without dead ends: 763 [2018-04-10 15:24:53,142 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1277 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=736, Invalid=4520, Unknown=0, NotChecked=0, Total=5256 [2018-04-10 15:24:53,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2018-04-10 15:24:53,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 653. [2018-04-10 15:24:53,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 653 states. [2018-04-10 15:24:53,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 706 transitions. [2018-04-10 15:24:53,147 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 706 transitions. Word has length 103 [2018-04-10 15:24:53,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:24:53,148 INFO L459 AbstractCegarLoop]: Abstraction has 653 states and 706 transitions. [2018-04-10 15:24:53,148 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-10 15:24:53,148 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 706 transitions. [2018-04-10 15:24:53,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-04-10 15:24:53,148 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:24:53,149 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2018-04-10 15:24:53,149 INFO L408 AbstractCegarLoop]: === Iteration 77 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:24:53,149 INFO L82 PathProgramCache]: Analyzing trace with hash 490809701, now seen corresponding path program 1 times [2018-04-10 15:24:53,149 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:24:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:24:53,164 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:24:53,847 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:53,847 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:24:53,847 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-04-10 15:24:53,847 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:24:53,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:53,848 INFO L182 omatonBuilderFactory]: Interpolants [61326#true, 61327#false, 61328#(= 0 |main_#t~malloc0.offset|), 61329#(= 0 main_~null~0.offset), 61330#(and (= 0 main_~null~0.offset) (= 0 |main_#t~malloc1.offset|)), 61331#(and (= 0 main_~null~0.offset) (= 0 main_~list~0.offset)), 61332#(and (= 0 main_~null~0.offset) (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 61333#(and (= 0 main_~null~0.offset) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 61334#(and (= |main_#t~malloc3.offset| main_~null~0.offset) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc3.base|))), 61335#(and (= main_~end~0.base main_~list~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 61336#(and (= main_~end~0.base main_~list~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base |main_#t~mem4.base|))), 61337#(and (= 0 main_~list~0.offset) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|)) (= |main_#t~mem5.offset| main_~null~0.offset)), 61338#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset main_~null~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 61339#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset main_~null~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 61340#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 |main_#t~malloc7.offset|) (not (= main_~list~0.base |main_#t~malloc7.base|)) (= main_~end~0.offset main_~null~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= |main_#t~malloc7.base| main_~end~0.base)) (= |main_#t~malloc7.offset| main_~list~0.offset) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 61341#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~null~0.offset))), 61342#(and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~mem8.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~null~0.offset)) (not (= |main_#t~mem8.base| main_~list~0.base))), 61343#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem9.offset| main_~list~0.offset)), 61344#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 61345#(or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))), 61346#(or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem11.offset| (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))), 61347#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 61348#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 61349#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem16.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 61350#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 61351#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 61352#(and (= 0 |main_#t~mem16.offset|) (= |main_#t~mem16.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 61353#(and (= main_~end~0.offset 0) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 61354#(<= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) 0), 61355#(<= (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|) 0), 61356#(<= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0), 61357#(<= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0), 61358#(<= |main_#t~mem18.offset| 0), 61359#(<= main_~end~0.offset 0), 61360#(and (<= main_~end~0.offset 0) (<= 0 main_~end~0.offset))] [2018-04-10 15:24:53,848 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:53,848 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-10 15:24:53,848 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-10 15:24:53,848 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=1055, Unknown=0, NotChecked=0, Total=1190 [2018-04-10 15:24:53,848 INFO L87 Difference]: Start difference. First operand 653 states and 706 transitions. Second operand 35 states. [2018-04-10 15:24:55,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:24:55,599 INFO L93 Difference]: Finished difference Result 766 states and 831 transitions. [2018-04-10 15:24:55,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-04-10 15:24:55,599 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 103 [2018-04-10 15:24:55,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:24:55,600 INFO L225 Difference]: With dead ends: 766 [2018-04-10 15:24:55,600 INFO L226 Difference]: Without dead ends: 766 [2018-04-10 15:24:55,600 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1684 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1259, Invalid=4903, Unknown=0, NotChecked=0, Total=6162 [2018-04-10 15:24:55,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2018-04-10 15:24:55,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 650. [2018-04-10 15:24:55,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 650 states. [2018-04-10 15:24:55,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 703 transitions. [2018-04-10 15:24:55,603 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 703 transitions. Word has length 103 [2018-04-10 15:24:55,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:24:55,603 INFO L459 AbstractCegarLoop]: Abstraction has 650 states and 703 transitions. [2018-04-10 15:24:55,604 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-10 15:24:55,604 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 703 transitions. [2018-04-10 15:24:55,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-04-10 15:24:55,604 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:24:55,604 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:24:55,604 INFO L408 AbstractCegarLoop]: === Iteration 78 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:24:55,604 INFO L82 PathProgramCache]: Analyzing trace with hash -430563809, now seen corresponding path program 2 times [2018-04-10 15:24:55,605 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:24:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:24:55,615 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:24:56,455 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:56,456 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:24:56,456 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-04-10 15:24:56,456 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:24:56,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:56,456 INFO L182 omatonBuilderFactory]: Interpolants [62865#true, 62866#false, 62867#(= 0 |main_#t~malloc0.offset|), 62868#(= main_~null~0.offset 0), 62869#(and (= 0 |main_#t~malloc1.offset|) (= main_~null~0.offset 0)), 62870#(and (= 0 main_~list~0.offset) (= main_~null~0.offset 0)), 62871#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset) (= main_~null~0.offset 0)), 62872#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0)), 62873#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= main_~null~0.offset |main_#t~malloc3.offset|) (not (= main_~end~0.base |main_#t~malloc3.base|))), 62874#(and (= main_~end~0.base main_~list~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 62875#(and (= main_~end~0.base main_~list~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base |main_#t~mem4.base|))), 62876#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|)) (= |main_#t~mem5.offset| main_~null~0.offset)), 62877#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset main_~null~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 62878#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset main_~null~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 62879#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base |main_#t~malloc7.base|)) (= main_~end~0.offset main_~null~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset)), 62880#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset main_~null~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 62881#(and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset main_~null~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem8.base|)) (= (select |#valid| main_~end~0.base) 1) (not (= |main_#t~mem8.base| main_~list~0.base))), 62882#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))), 62883#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))), 62884#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))), 62885#(and (or (and (= |main_#t~malloc3.offset| main_~list~0.offset) (= |main_#t~malloc3.base| main_~list~0.base)) (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc3.base|)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (not (= main_~end~0.base |main_#t~malloc3.base|)) (or (and (= |main_#t~malloc3.offset| main_~list~0.offset) (= |main_#t~malloc3.base| main_~list~0.base)) (and (not (= main_~end~0.base main_~list~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc3.base|))))), 62886#(and (or (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))), 62887#(and (or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= |main_#t~mem4.base| main_~list~0.base))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= main_~end~0.base |main_#t~mem4.base|))), 62888#(and (or (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))), 62889#(and (or (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (and (= |main_#t~mem5.base| main_~list~0.base) (= |main_#t~mem5.offset| main_~list~0.offset))) (or (and (= |main_#t~mem5.base| main_~list~0.base) (= |main_#t~mem5.offset| main_~list~0.offset)) (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))) (not (= main_~list~0.base |main_#t~mem5.base|))))), 62890#(and (or (and (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))) (or (and (not (= main_~end~0.base main_~list~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)))), 62891#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))) (or (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)))), 62892#(and (or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem11.offset|) (= main_~end~0.base main_~list~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 62893#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))), 62894#(and (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 62895#(and (or (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 62896#(and (= main_~null~0.offset |main_#t~mem16.offset|) (or (= main_~null~0.base |main_#t~mem16.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) main_~null~0.offset))))), 62897#(and (or (= main_~end~0.base main_~null~0.base) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~null~0.offset)))) (= main_~null~0.offset main_~end~0.offset)), 62898#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 62899#(= 1 (select |#valid| |main_#t~mem14.base|)), 62900#(= 1 (select |#valid| main_~end~0.base))] [2018-04-10 15:24:56,456 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:24:56,456 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-10 15:24:56,456 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-10 15:24:56,457 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1155, Unknown=0, NotChecked=0, Total=1260 [2018-04-10 15:24:56,457 INFO L87 Difference]: Start difference. First operand 650 states and 703 transitions. Second operand 36 states. [2018-04-10 15:24:59,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:24:59,451 INFO L93 Difference]: Finished difference Result 764 states and 831 transitions. [2018-04-10 15:24:59,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-04-10 15:24:59,451 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 103 [2018-04-10 15:24:59,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:24:59,452 INFO L225 Difference]: With dead ends: 764 [2018-04-10 15:24:59,452 INFO L226 Difference]: Without dead ends: 764 [2018-04-10 15:24:59,452 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1547 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1192, Invalid=5780, Unknown=0, NotChecked=0, Total=6972 [2018-04-10 15:24:59,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2018-04-10 15:24:59,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 656. [2018-04-10 15:24:59,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 656 states. [2018-04-10 15:24:59,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 710 transitions. [2018-04-10 15:24:59,455 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 710 transitions. Word has length 103 [2018-04-10 15:24:59,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:24:59,456 INFO L459 AbstractCegarLoop]: Abstraction has 656 states and 710 transitions. [2018-04-10 15:24:59,456 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-10 15:24:59,456 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 710 transitions. [2018-04-10 15:24:59,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-04-10 15:24:59,456 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:24:59,456 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:24:59,456 INFO L408 AbstractCegarLoop]: === Iteration 79 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:24:59,456 INFO L82 PathProgramCache]: Analyzing trace with hash -430563808, now seen corresponding path program 2 times [2018-04-10 15:24:59,457 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:24:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:24:59,465 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:25:00,260 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:00,260 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:25:00,260 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-10 15:25:00,260 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:25:00,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:00,260 INFO L182 omatonBuilderFactory]: Interpolants [64448#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 64449#(and (= 0 |main_#t~mem14.offset|) (= 12 (select |#length| |main_#t~mem14.base|))), 64450#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base))), 64417#true, 64418#false, 64419#(= 0 |main_#t~malloc1.offset|), 64420#(= 0 main_~list~0.offset), 64421#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 64422#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 64423#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc3.base|))), 64424#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 64425#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~end~0.base |main_#t~mem4.base|))), 64426#(and (= 0 main_~list~0.offset) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 64427#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 64428#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 64429#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 |main_#t~malloc7.offset|) (not (= main_~list~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base |main_#t~malloc7.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 12 (select |#length| |main_#t~malloc7.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 64430#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 64431#(and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~mem8.base|)) (= (select |#valid| main_~end~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| |main_#t~mem8.base|))), 64432#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 12 (select |#length| |main_#t~mem9.base|)) (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 64433#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~list~0.base main_~end~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base))), 64434#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~list~0.base main_~end~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base)) (= 1 (select |#valid| main_~end~0.base))), 64435#(and (= |main_#t~malloc3.offset| main_~list~0.offset) (not (= main_~list~0.base main_~end~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc3.base|)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base)) (not (= main_~end~0.base |main_#t~malloc3.base|))), 64436#(and (not (= main_~list~0.base main_~end~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 64437#(and (not (= main_~list~0.base main_~end~0.base)) (or (and (not (= |main_#t~mem4.base| main_~list~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base)) (not (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= main_~end~0.base |main_#t~mem4.base|))), 64438#(and (not (= main_~list~0.base main_~end~0.base)) (or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))), 64439#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|)) (= |main_#t~mem5.offset| main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (and (= |main_#t~mem5.base| main_~list~0.base) (= |main_#t~mem5.offset| main_~list~0.offset))), 64440#(or (and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 64441#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 64442#(or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem11.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 64443#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 64444#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 64445#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))))), 64446#(or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)))) (and (= main_~null~0.offset |main_#t~mem16.offset|) (= main_~null~0.base |main_#t~mem16.base|))), 64447#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))] [2018-04-10 15:25:00,261 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:00,261 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-10 15:25:00,261 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-10 15:25:00,261 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=981, Unknown=0, NotChecked=0, Total=1122 [2018-04-10 15:25:00,261 INFO L87 Difference]: Start difference. First operand 656 states and 710 transitions. Second operand 34 states. [2018-04-10 15:25:02,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:25:02,694 INFO L93 Difference]: Finished difference Result 774 states and 840 transitions. [2018-04-10 15:25:02,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-04-10 15:25:02,694 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 103 [2018-04-10 15:25:02,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:25:02,695 INFO L225 Difference]: With dead ends: 774 [2018-04-10 15:25:02,695 INFO L226 Difference]: Without dead ends: 774 [2018-04-10 15:25:02,695 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1255 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=719, Invalid=4393, Unknown=0, NotChecked=0, Total=5112 [2018-04-10 15:25:02,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2018-04-10 15:25:02,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 617. [2018-04-10 15:25:02,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617 states. [2018-04-10 15:25:02,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 667 transitions. [2018-04-10 15:25:02,698 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 667 transitions. Word has length 103 [2018-04-10 15:25:02,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:25:02,698 INFO L459 AbstractCegarLoop]: Abstraction has 617 states and 667 transitions. [2018-04-10 15:25:02,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-10 15:25:02,699 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 667 transitions. [2018-04-10 15:25:02,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-04-10 15:25:02,699 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:25:02,699 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:25:02,699 INFO L408 AbstractCegarLoop]: === Iteration 80 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:25:02,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1731124502, now seen corresponding path program 1 times [2018-04-10 15:25:02,700 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:25:02,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:25:02,708 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:25:03,151 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:25:03,151 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:25:03,151 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-10 15:25:03,151 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:25:03,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:03,152 INFO L182 omatonBuilderFactory]: Interpolants [65921#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1)), 65920#(= 1 (select |#valid| main_~list~0.base)), 65923#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 65922#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (not (= main_~end~0.base |main_#t~malloc3.base|))), 65925#(and (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 65924#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~end~0.base |main_#t~mem4.base|))), 65927#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 65926#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 65929#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 65928#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base |main_#t~malloc7.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 65931#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 65930#(and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem8.base|)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (not (= |main_#t~mem8.base| main_~list~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 65933#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 65932#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 65935#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)))) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset))))), 65934#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 65937#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 65936#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 65939#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 65938#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 65941#(and (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 65940#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 65943#(and (= 1 (select |#valid| |main_#t~mem20.base|)) (not (= main_~list~0.base |main_#t~mem20.base|))), 65942#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 65945#(= 1 (select |#valid| main_~end~0.base)), 65944#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~end~0.base))), 65919#false, 65918#true] [2018-04-10 15:25:03,152 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:25:03,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-10 15:25:03,152 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-10 15:25:03,152 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=671, Unknown=0, NotChecked=0, Total=756 [2018-04-10 15:25:03,152 INFO L87 Difference]: Start difference. First operand 617 states and 667 transitions. Second operand 28 states. [2018-04-10 15:25:04,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:25:04,340 INFO L93 Difference]: Finished difference Result 631 states and 681 transitions. [2018-04-10 15:25:04,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-10 15:25:04,341 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 104 [2018-04-10 15:25:04,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:25:04,341 INFO L225 Difference]: With dead ends: 631 [2018-04-10 15:25:04,341 INFO L226 Difference]: Without dead ends: 631 [2018-04-10 15:25:04,342 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 780 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=496, Invalid=2696, Unknown=0, NotChecked=0, Total=3192 [2018-04-10 15:25:04,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2018-04-10 15:25:04,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 618. [2018-04-10 15:25:04,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 618 states. [2018-04-10 15:25:04,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 669 transitions. [2018-04-10 15:25:04,344 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 669 transitions. Word has length 104 [2018-04-10 15:25:04,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:25:04,344 INFO L459 AbstractCegarLoop]: Abstraction has 618 states and 669 transitions. [2018-04-10 15:25:04,344 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-10 15:25:04,344 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 669 transitions. [2018-04-10 15:25:04,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-04-10 15:25:04,345 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:25:04,345 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:25:04,345 INFO L408 AbstractCegarLoop]: === Iteration 81 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:25:04,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1731124501, now seen corresponding path program 2 times [2018-04-10 15:25:04,346 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:25:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:25:04,353 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:25:04,808 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:04,809 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:25:04,809 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-10 15:25:04,809 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:25:04,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:04,809 INFO L182 omatonBuilderFactory]: Interpolants [67265#(and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~mem8.base|)) (not (= |main_#t~mem8.base| main_~list~0.base))), 67264#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 67267#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 67266#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 67269#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)))), 67268#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 67271#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 67270#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem16.offset|)), 67273#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 67272#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 67275#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 67274#(and (<= (+ main_~end~0.offset 12) (select |#length| main_~end~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 67277#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 67276#(and (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 67279#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 67278#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 67281#(and (<= 12 (select |#length| main_~end~0.base)) (= 0 main_~end~0.offset)), 67280#(and (= 0 |main_#t~mem20.offset|) (<= 12 (select |#length| |main_#t~mem20.base|))), 67282#(and (= main_~list~0.offset 0) (<= 12 (select |#length| main_~list~0.base))), 67253#true, 67255#(= 1 (select |#valid| main_~list~0.base)), 67254#false, 67257#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc3.base|))), 67256#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 67259#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base |main_#t~mem4.base|))), 67258#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 67261#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 67260#(and (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 67263#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 |main_#t~malloc7.offset|) (not (= main_~list~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base |main_#t~malloc7.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 67262#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))] [2018-04-10 15:25:04,809 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:04,810 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-10 15:25:04,810 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-10 15:25:04,810 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=784, Unknown=0, NotChecked=0, Total=870 [2018-04-10 15:25:04,810 INFO L87 Difference]: Start difference. First operand 618 states and 669 transitions. Second operand 30 states. [2018-04-10 15:25:05,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:25:05,911 INFO L93 Difference]: Finished difference Result 647 states and 699 transitions. [2018-04-10 15:25:05,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-04-10 15:25:05,911 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 104 [2018-04-10 15:25:05,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:25:05,912 INFO L225 Difference]: With dead ends: 647 [2018-04-10 15:25:05,912 INFO L226 Difference]: Without dead ends: 647 [2018-04-10 15:25:05,912 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 872 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=302, Invalid=3120, Unknown=0, NotChecked=0, Total=3422 [2018-04-10 15:25:05,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2018-04-10 15:25:05,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 634. [2018-04-10 15:25:05,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2018-04-10 15:25:05,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 686 transitions. [2018-04-10 15:25:05,915 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 686 transitions. Word has length 104 [2018-04-10 15:25:05,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:25:05,915 INFO L459 AbstractCegarLoop]: Abstraction has 634 states and 686 transitions. [2018-04-10 15:25:05,915 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-10 15:25:05,915 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 686 transitions. [2018-04-10 15:25:05,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-04-10 15:25:05,916 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:25:05,916 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:25:05,916 INFO L408 AbstractCegarLoop]: === Iteration 82 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:25:05,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1566231307, now seen corresponding path program 1 times [2018-04-10 15:25:05,916 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:25:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:25:05,922 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:25:06,098 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:25:06,099 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:25:06,099 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-10 15:25:06,099 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:25:06,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:06,099 INFO L182 omatonBuilderFactory]: Interpolants [68623#false, 68622#true, 68625#(and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem16.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 68624#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base)), 68627#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem14.base|) (= |main_#t~mem14.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 68626#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 68629#(and (<= (+ main_~end~0.offset 12) (select |#length| main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 68628#(and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 68631#(and (<= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 68630#(and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 68633#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 68632#(and (<= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 68635#(and (<= 0 |main_#t~mem18.offset|) (<= (+ |main_#t~mem18.offset| 12) (select |#length| |main_#t~mem18.base|))), 68634#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 68636#(and (<= (+ main_~end~0.offset 12) (select |#length| main_~end~0.base)) (<= 0 main_~end~0.offset))] [2018-04-10 15:25:06,099 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:25:06,099 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-10 15:25:06,099 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-10 15:25:06,099 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2018-04-10 15:25:06,100 INFO L87 Difference]: Start difference. First operand 634 states and 686 transitions. Second operand 15 states. [2018-04-10 15:25:06,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:25:06,743 INFO L93 Difference]: Finished difference Result 718 states and 761 transitions. [2018-04-10 15:25:06,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-10 15:25:06,743 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 104 [2018-04-10 15:25:06,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:25:06,744 INFO L225 Difference]: With dead ends: 718 [2018-04-10 15:25:06,744 INFO L226 Difference]: Without dead ends: 718 [2018-04-10 15:25:06,744 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2018-04-10 15:25:06,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2018-04-10 15:25:06,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 580. [2018-04-10 15:25:06,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2018-04-10 15:25:06,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 621 transitions. [2018-04-10 15:25:06,748 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 621 transitions. Word has length 104 [2018-04-10 15:25:06,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:25:06,748 INFO L459 AbstractCegarLoop]: Abstraction has 580 states and 621 transitions. [2018-04-10 15:25:06,748 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-10 15:25:06,748 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 621 transitions. [2018-04-10 15:25:06,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-04-10 15:25:06,748 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:25:06,748 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:25:06,748 INFO L408 AbstractCegarLoop]: === Iteration 83 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:25:06,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1860662567, now seen corresponding path program 4 times [2018-04-10 15:25:06,749 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:25:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:25:06,759 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:25:07,473 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:07,474 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:25:07,474 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-04-10 15:25:07,474 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:25:07,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:07,474 INFO L182 omatonBuilderFactory]: Interpolants [69953#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc3.base|))), 69952#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 69955#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base |main_#t~mem4.base|))), 69954#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 69957#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 69956#(and (= 0 main_~list~0.offset) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 69959#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base |main_#t~malloc7.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 69958#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 69961#(and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem8.base|)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (not (= |main_#t~mem8.base| main_~list~0.base))), 69960#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 69963#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= 0 main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 69962#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 69965#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 69964#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 69967#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 69966#(and (not (= main_~end~0.base main_~list~0.base)) (or (= |main_#t~malloc3.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~malloc3.base|)) (not (= main_~end~0.base |main_#t~malloc3.base|))), 69969#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 main_~list~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 69968#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= |main_#t~mem4.base| main_~list~0.base)) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem4.base|)) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 69971#(and (not (= main_~list~0.base main_~end~0.base)) (or (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= 0 main_~list~0.offset)), 69970#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem5.base|))), 69973#(and (not (= main_~list~0.base main_~end~0.base)) (not (= main_~end~0.base |main_#t~malloc7.base|)) (or (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= |main_#t~malloc7.offset| main_~list~0.offset)), 69972#(and (not (= main_~list~0.base main_~end~0.base)) (= 0 main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1)), 69975#(and (or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= |main_#t~mem8.base| main_~list~0.base))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= main_~list~0.base main_~end~0.base)) (not (= main_~end~0.base |main_#t~mem8.base|))), 69974#(and (not (= main_~list~0.base main_~end~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 69977#(or (and (= |main_#t~mem9.base| main_~list~0.base) (= |main_#t~mem9.offset| main_~list~0.offset)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem9.offset| main_~list~0.offset))), 69976#(and (not (= main_~list~0.base main_~end~0.base)) (or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1)))), 69979#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 69978#(or (and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 69981#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 69980#(or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem11.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 69983#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 69982#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 69985#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (= 1 (select |#valid| main_~end~0.base))), 69984#(or (= 1 (select |#valid| |main_#t~mem16.base|)) (and (= main_~null~0.offset |main_#t~mem16.offset|) (= main_~null~0.base |main_#t~mem16.base|))), 69986#(= 1 (select |#valid| main_~end~0.base)), 69947#true, 69949#(= 0 |main_#t~malloc1.offset|), 69948#false, 69951#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 69950#(= 0 main_~list~0.offset)] [2018-04-10 15:25:07,474 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:07,474 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-04-10 15:25:07,475 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-04-10 15:25:07,475 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=1340, Unknown=0, NotChecked=0, Total=1560 [2018-04-10 15:25:07,475 INFO L87 Difference]: Start difference. First operand 580 states and 621 transitions. Second operand 40 states. [2018-04-10 15:25:09,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:25:09,899 INFO L93 Difference]: Finished difference Result 767 states and 820 transitions. [2018-04-10 15:25:09,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-04-10 15:25:09,899 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 104 [2018-04-10 15:25:09,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:25:09,900 INFO L225 Difference]: With dead ends: 767 [2018-04-10 15:25:09,900 INFO L226 Difference]: Without dead ends: 767 [2018-04-10 15:25:09,900 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2235 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1550, Invalid=6106, Unknown=0, NotChecked=0, Total=7656 [2018-04-10 15:25:09,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2018-04-10 15:25:09,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 618. [2018-04-10 15:25:09,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 618 states. [2018-04-10 15:25:09,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 662 transitions. [2018-04-10 15:25:09,903 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 662 transitions. Word has length 104 [2018-04-10 15:25:09,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:25:09,903 INFO L459 AbstractCegarLoop]: Abstraction has 618 states and 662 transitions. [2018-04-10 15:25:09,903 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-04-10 15:25:09,903 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 662 transitions. [2018-04-10 15:25:09,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-04-10 15:25:09,904 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:25:09,904 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:25:09,904 INFO L408 AbstractCegarLoop]: === Iteration 84 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:25:09,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1860662568, now seen corresponding path program 3 times [2018-04-10 15:25:09,904 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:25:09,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:25:09,917 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:25:10,751 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:10,751 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:25:10,751 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-04-10 15:25:10,751 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:25:10,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:10,752 INFO L182 omatonBuilderFactory]: Interpolants [71489#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= |main_#t~mem4.base| main_~list~0.base)) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem4.base|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 71488#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 71491#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem5.base|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 71490#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 main_~list~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 71493#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 71492#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~list~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 71495#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 71494#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc7.base|)) (= |main_#t~malloc7.offset| main_~list~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 71497#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))), 71496#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (not (= |main_#t~mem8.base| main_~list~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= main_~end~0.base |main_#t~mem8.base|))), 71499#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 71498#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem9.offset| main_~list~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= |main_#t~mem9.base| main_~list~0.base) (= |main_#t~mem9.offset| main_~list~0.offset))), 71501#(or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem11.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 71500#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 71503#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 71502#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 71505#(or (and (= 12 (select |#length| |main_#t~mem16.base|)) (= 0 |main_#t~mem16.offset|)) (and (= main_~null~0.offset |main_#t~mem16.offset|) (= main_~null~0.base |main_#t~mem16.base|))), 71504#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 71507#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base))), 71506#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base)))), 71469#false, 71468#true, 71471#(= 0 main_~list~0.offset), 71470#(= 0 |main_#t~malloc1.offset|), 71473#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 71472#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 71475#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 71474#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= 0 |main_#t~malloc3.offset|) (not (= main_~end~0.base |main_#t~malloc3.base|)) (= 12 (select |#length| |main_#t~malloc3.base|))), 71477#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 12 (select |#length| |main_#t~mem5.base|)) (= |main_#t~mem5.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 71476#(and (= 12 (select |#length| |main_#t~mem4.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem4.base|))), 71479#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= 12 (select |#length| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 71478#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 12 (select |#length| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 71481#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#length| main_~end~0.base) 12) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 71480#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base |main_#t~malloc7.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 12 (select |#length| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 71483#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#length| main_~end~0.base) 12) (= (select |#valid| main_~list~0.base) 1)), 71482#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#length| main_~end~0.base) 12) (not (= main_~end~0.base |main_#t~mem8.base|)) (= (select |#valid| main_~list~0.base) 1) (not (= |main_#t~mem8.base| main_~list~0.base))), 71485#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 71484#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem9.base|)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 71487#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~malloc3.base|)) (not (= main_~end~0.base |main_#t~malloc3.base|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 71486#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))] [2018-04-10 15:25:10,752 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:10,752 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-04-10 15:25:10,752 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-04-10 15:25:10,752 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=1301, Unknown=0, NotChecked=0, Total=1560 [2018-04-10 15:25:10,752 INFO L87 Difference]: Start difference. First operand 618 states and 662 transitions. Second operand 40 states. [2018-04-10 15:25:12,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:25:12,980 INFO L93 Difference]: Finished difference Result 729 states and 777 transitions. [2018-04-10 15:25:12,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-04-10 15:25:12,981 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 104 [2018-04-10 15:25:12,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:25:12,981 INFO L225 Difference]: With dead ends: 729 [2018-04-10 15:25:12,982 INFO L226 Difference]: Without dead ends: 729 [2018-04-10 15:25:12,982 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1915 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1183, Invalid=5623, Unknown=0, NotChecked=0, Total=6806 [2018-04-10 15:25:12,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2018-04-10 15:25:12,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 620. [2018-04-10 15:25:12,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 620 states. [2018-04-10 15:25:12,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 664 transitions. [2018-04-10 15:25:12,985 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 664 transitions. Word has length 104 [2018-04-10 15:25:12,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:25:12,985 INFO L459 AbstractCegarLoop]: Abstraction has 620 states and 664 transitions. [2018-04-10 15:25:12,985 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-04-10 15:25:12,985 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 664 transitions. [2018-04-10 15:25:12,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-04-10 15:25:12,986 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:25:12,986 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:25:12,986 INFO L408 AbstractCegarLoop]: === Iteration 85 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:25:12,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1658585763, now seen corresponding path program 5 times [2018-04-10 15:25:12,986 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:25:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:25:12,996 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:25:13,745 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:13,745 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:25:13,745 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-04-10 15:25:13,745 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:25:13,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:13,746 INFO L182 omatonBuilderFactory]: Interpolants [72961#(and (not (= main_~end~0.base |main_#t~malloc7.base|)) (or (and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc7.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc7.base|))) (and (= |main_#t~malloc7.base| main_~list~0.base) (= |main_#t~malloc7.offset| main_~list~0.offset)))), 72960#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~list~0.base main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1)), 72963#(and (not (= main_~list~0.base main_~end~0.base)) (or (and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= |main_#t~mem8.base| main_~list~0.base))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= main_~end~0.base |main_#t~mem8.base|))), 72962#(and (not (= main_~list~0.base main_~end~0.base)) (or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 72965#(or (and (not (= main_~list~0.base |main_#t~mem9.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))) (and (= |main_#t~mem9.base| main_~list~0.base) (= |main_#t~mem9.offset| main_~list~0.offset))), 72964#(and (or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= main_~list~0.base main_~end~0.base))), 72967#(or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 72966#(or (and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 72969#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 72968#(or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem11.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 72971#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))) (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 72970#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 72973#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 72972#(or (and (= main_~null~0.offset |main_#t~mem16.offset|) (= main_~null~0.base |main_#t~mem16.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|))))), 72975#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|))), 72974#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 72977#(= 1 (select |#valid| |main_#t~mem16.base|)), 72976#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 72978#(= 1 (select |#valid| main_~end~0.base)), 72943#true, 72945#(= 0 |main_#t~malloc1.offset|), 72944#false, 72947#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 72946#(= 0 main_~list~0.offset), 72949#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc3.base|))), 72948#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 72951#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~end~0.base |main_#t~mem4.base|))), 72950#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 72953#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 72952#(and (= 0 main_~list~0.offset) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 72955#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~malloc3.base|)) (not (= main_~end~0.base |main_#t~malloc3.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 72954#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 72957#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem4.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 72956#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 72959#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~list~0.base main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 72958#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|)) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem5.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem5.base|))] [2018-04-10 15:25:13,746 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:13,746 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-10 15:25:13,746 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-10 15:25:13,746 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1144, Unknown=0, NotChecked=0, Total=1260 [2018-04-10 15:25:13,746 INFO L87 Difference]: Start difference. First operand 620 states and 664 transitions. Second operand 36 states. [2018-04-10 15:25:16,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:25:16,827 INFO L93 Difference]: Finished difference Result 742 states and 795 transitions. [2018-04-10 15:25:16,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-04-10 15:25:16,828 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 107 [2018-04-10 15:25:16,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:25:16,828 INFO L225 Difference]: With dead ends: 742 [2018-04-10 15:25:16,828 INFO L226 Difference]: Without dead ends: 742 [2018-04-10 15:25:16,829 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2096 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=999, Invalid=6833, Unknown=0, NotChecked=0, Total=7832 [2018-04-10 15:25:16,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2018-04-10 15:25:16,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 649. [2018-04-10 15:25:16,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2018-04-10 15:25:16,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 699 transitions. [2018-04-10 15:25:16,833 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 699 transitions. Word has length 107 [2018-04-10 15:25:16,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:25:16,833 INFO L459 AbstractCegarLoop]: Abstraction has 649 states and 699 transitions. [2018-04-10 15:25:16,833 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-10 15:25:16,833 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 699 transitions. [2018-04-10 15:25:16,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-04-10 15:25:16,834 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:25:16,834 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:25:16,834 INFO L408 AbstractCegarLoop]: === Iteration 86 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:25:16,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1658585762, now seen corresponding path program 5 times [2018-04-10 15:25:16,835 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:25:16,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:25:16,848 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:25:17,707 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:17,708 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:25:17,708 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-04-10 15:25:17,708 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:25:17,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:17,709 INFO L182 omatonBuilderFactory]: Interpolants [74497#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))), 74496#(and (or (and (not (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= |main_#t~mem8.base| main_~list~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= main_~end~0.base |main_#t~mem8.base|))), 74499#(or (and (not (= main_~end~0.base main_~list~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 74498#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem9.base|)) (= |main_#t~mem9.offset| main_~list~0.offset)) (and (= |main_#t~mem9.base| main_~list~0.base) (= |main_#t~mem9.offset| main_~list~0.offset))), 74501#(or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem11.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 74500#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 74503#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 74502#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 74505#(or (and (= main_~null~0.offset |main_#t~mem16.offset|) (= main_~null~0.base |main_#t~mem16.base|)) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|))))), 74504#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))))), 74507#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 74506#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))))), 74509#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 74508#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)))), 74511#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base))), 74510#(and (= 12 (select |#length| |main_#t~mem16.base|)) (= 0 |main_#t~mem16.offset|)), 74477#false, 74476#true, 74479#(= 0 main_~list~0.offset), 74478#(= 0 |main_#t~malloc1.offset|), 74481#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 74480#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 74483#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 74482#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc3.base|))), 74485#(and (= 0 main_~list~0.offset) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 74484#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem4.base|))), 74487#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 74486#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 74489#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 74488#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~malloc3.base|)) (not (= main_~end~0.base |main_#t~malloc3.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 74491#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|)) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem5.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem5.base|)), 74490#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= |main_#t~mem4.base| main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem4.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 74493#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1)), 74492#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 74495#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 74494#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 |main_#t~malloc7.offset|) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| |main_#t~malloc7.base|)) (= |main_#t~malloc7.offset| main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc7.base|)))] [2018-04-10 15:25:17,709 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:17,709 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-10 15:25:17,709 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-10 15:25:17,709 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1145, Unknown=0, NotChecked=0, Total=1260 [2018-04-10 15:25:17,709 INFO L87 Difference]: Start difference. First operand 649 states and 699 transitions. Second operand 36 states. [2018-04-10 15:25:20,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:25:20,631 INFO L93 Difference]: Finished difference Result 752 states and 805 transitions. [2018-04-10 15:25:20,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-04-10 15:25:20,631 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 107 [2018-04-10 15:25:20,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:25:20,632 INFO L225 Difference]: With dead ends: 752 [2018-04-10 15:25:20,632 INFO L226 Difference]: Without dead ends: 752 [2018-04-10 15:25:20,632 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1399 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=649, Invalid=5203, Unknown=0, NotChecked=0, Total=5852 [2018-04-10 15:25:20,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2018-04-10 15:25:20,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 648. [2018-04-10 15:25:20,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 648 states. [2018-04-10 15:25:20,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 697 transitions. [2018-04-10 15:25:20,637 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 697 transitions. Word has length 107 [2018-04-10 15:25:20,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:25:20,637 INFO L459 AbstractCegarLoop]: Abstraction has 648 states and 697 transitions. [2018-04-10 15:25:20,637 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-10 15:25:20,637 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 697 transitions. [2018-04-10 15:25:20,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-04-10 15:25:20,638 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:25:20,638 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:25:20,638 INFO L408 AbstractCegarLoop]: === Iteration 87 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:25:20,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1161700060, now seen corresponding path program 1 times [2018-04-10 15:25:20,639 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:25:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:25:20,647 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:25:21,118 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:21,118 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:25:21,118 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-10 15:25:21,118 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:25:21,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:21,119 INFO L182 omatonBuilderFactory]: Interpolants [75995#false, 75994#true, 75997#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 75996#(= 1 (select |#valid| main_~list~0.base)), 75999#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 75998#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc3.base|))), 76001#(and (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 76000#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base |main_#t~mem4.base|))), 76003#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 76002#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 76005#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 76004#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 |main_#t~malloc7.offset|) (not (= main_~list~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base |main_#t~malloc7.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 76007#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 76006#(and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~mem8.base|)) (not (= |main_#t~mem8.base| main_~list~0.base))), 76009#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 76008#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 76011#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem16.offset|)), 76010#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)))), 76013#(and (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 76012#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 76015#(and (<= (+ main_~end~0.offset 12) (select |#length| main_~end~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 76014#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 76017#(and (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 76016#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 76019#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 76018#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 76021#(and (= 0 |main_#t~mem20.offset|) (<= 12 (select |#length| |main_#t~mem20.base|))), 76020#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 76023#(and (= main_~list~0.offset 0) (<= 12 (select |#length| main_~list~0.base))), 76022#(and (<= 12 (select |#length| main_~end~0.base)) (= 0 main_~end~0.offset))] [2018-04-10 15:25:21,119 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:21,119 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-10 15:25:21,119 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-10 15:25:21,119 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=784, Unknown=0, NotChecked=0, Total=870 [2018-04-10 15:25:21,119 INFO L87 Difference]: Start difference. First operand 648 states and 697 transitions. Second operand 30 states. [2018-04-10 15:25:22,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:25:22,317 INFO L93 Difference]: Finished difference Result 671 states and 720 transitions. [2018-04-10 15:25:22,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-04-10 15:25:22,317 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 107 [2018-04-10 15:25:22,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:25:22,318 INFO L225 Difference]: With dead ends: 671 [2018-04-10 15:25:22,318 INFO L226 Difference]: Without dead ends: 671 [2018-04-10 15:25:22,318 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 869 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=302, Invalid=3120, Unknown=0, NotChecked=0, Total=3422 [2018-04-10 15:25:22,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2018-04-10 15:25:22,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 621. [2018-04-10 15:25:22,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2018-04-10 15:25:22,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 668 transitions. [2018-04-10 15:25:22,320 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 668 transitions. Word has length 107 [2018-04-10 15:25:22,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:25:22,321 INFO L459 AbstractCegarLoop]: Abstraction has 621 states and 668 transitions. [2018-04-10 15:25:22,321 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-10 15:25:22,321 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 668 transitions. [2018-04-10 15:25:22,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-04-10 15:25:22,321 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:25:22,321 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:25:22,321 INFO L408 AbstractCegarLoop]: === Iteration 88 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:25:22,321 INFO L82 PathProgramCache]: Analyzing trace with hash 780463649, now seen corresponding path program 6 times [2018-04-10 15:25:22,322 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:25:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:25:22,330 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:25:23,137 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:23,137 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:25:23,137 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-04-10 15:25:23,137 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:25:23,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:23,137 INFO L182 omatonBuilderFactory]: Interpolants [77377#(= 0 main_~list~0.offset), 77376#(= 0 |main_#t~malloc1.offset|), 77379#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 77378#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 77381#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 77380#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc3.base|))), 77383#(and (= 0 main_~list~0.offset) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 77382#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~end~0.base |main_#t~mem4.base|))), 77385#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 77384#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 77387#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 77386#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base |main_#t~malloc7.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 77389#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem9.base|)), 77388#(and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem8.base|)) (= (select |#valid| main_~end~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 77391#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~list~0.base main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 77390#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~list~0.base main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 77393#(and (not (= main_~list~0.base main_~end~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 77392#(and (= |main_#t~malloc3.offset| main_~list~0.offset) (= 1 (select |#valid| |main_#t~malloc3.base|)) (not (= main_~list~0.base main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc3.base|)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~malloc3.base|))), 77395#(and (not (= main_~list~0.base main_~end~0.base)) (or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))), 77394#(and (not (= main_~list~0.base main_~end~0.base)) (or (and (not (= |main_#t~mem4.base| main_~list~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= main_~end~0.base |main_#t~mem4.base|))), 77397#(or (and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 77396#(or (and (= |main_#t~mem5.base| main_~list~0.base) (= |main_#t~mem5.offset| main_~list~0.offset)) (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|)) (= |main_#t~mem5.offset| main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem5.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))))), 77399#(or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem11.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 77398#(or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 77401#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 77400#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 77403#(or (and (= main_~null~0.offset |main_#t~mem16.offset|) (= main_~null~0.base |main_#t~mem16.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|))))), 77402#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))) (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 77405#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 77404#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 77407#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 77406#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|))), 77409#(= 1 (select |#valid| main_~end~0.base)), 77408#(= 1 (select |#valid| |main_#t~mem16.base|)), 77375#false, 77374#true] [2018-04-10 15:25:23,138 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:23,138 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-10 15:25:23,138 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-10 15:25:23,138 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1139, Unknown=0, NotChecked=0, Total=1260 [2018-04-10 15:25:23,138 INFO L87 Difference]: Start difference. First operand 621 states and 668 transitions. Second operand 36 states. [2018-04-10 15:25:26,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:25:26,181 INFO L93 Difference]: Finished difference Result 722 states and 775 transitions. [2018-04-10 15:25:26,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-04-10 15:25:26,181 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 107 [2018-04-10 15:25:26,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:25:26,182 INFO L225 Difference]: With dead ends: 722 [2018-04-10 15:25:26,182 INFO L226 Difference]: Without dead ends: 722 [2018-04-10 15:25:26,182 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2019 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1008, Invalid=6648, Unknown=0, NotChecked=0, Total=7656 [2018-04-10 15:25:26,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2018-04-10 15:25:26,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 628. [2018-04-10 15:25:26,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 628 states. [2018-04-10 15:25:26,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 678 transitions. [2018-04-10 15:25:26,185 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 678 transitions. Word has length 107 [2018-04-10 15:25:26,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:25:26,185 INFO L459 AbstractCegarLoop]: Abstraction has 628 states and 678 transitions. [2018-04-10 15:25:26,185 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-10 15:25:26,185 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 678 transitions. [2018-04-10 15:25:26,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-04-10 15:25:26,185 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:25:26,186 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:25:26,186 INFO L408 AbstractCegarLoop]: === Iteration 89 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:25:26,186 INFO L82 PathProgramCache]: Analyzing trace with hash 780463650, now seen corresponding path program 6 times [2018-04-10 15:25:26,186 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:25:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:25:26,196 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:25:27,207 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:27,208 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:25:27,208 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-04-10 15:25:27,208 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:25:27,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:27,208 INFO L182 omatonBuilderFactory]: Interpolants [78865#false, 78864#true, 78867#(= main_~null~0.offset 0), 78866#(= 0 |main_#t~malloc0.offset|), 78869#(and (= 0 main_~list~0.offset) (= main_~null~0.offset 0)), 78868#(and (= 0 |main_#t~malloc1.offset|) (= main_~null~0.offset 0)), 78871#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0)), 78870#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset) (= main_~null~0.offset 0)), 78873#(and (= main_~end~0.base main_~list~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 78872#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= main_~null~0.offset |main_#t~malloc3.offset|) (not (= main_~end~0.base |main_#t~malloc3.base|))), 78875#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|)) (= |main_#t~mem5.offset| main_~null~0.offset)), 78874#(and (= main_~end~0.base main_~list~0.base) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~null~0.offset) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base |main_#t~mem4.base|))), 78877#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset main_~null~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= (select |#valid| main_~list~0.base) 1)), 78876#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset main_~null~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 78879#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset main_~null~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 78878#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base |main_#t~malloc7.base|)) (= main_~end~0.offset main_~null~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset)), 78881#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|)) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset) |main_#t~mem9.base|)), 78880#(and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset main_~null~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~mem8.base|)) (= (select |#valid| main_~end~0.base) 1) (not (= |main_#t~mem8.base| main_~list~0.base))), 78883#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))), 78882#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))), 78885#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))), 78884#(and (not (= main_~end~0.base main_~list~0.base)) (= |main_#t~malloc3.offset| main_~list~0.offset) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc3.base|)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 |main_#t~malloc3.offset|) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (not (= main_~end~0.base |main_#t~malloc3.base|)) (= 12 (select |#length| |main_#t~malloc3.base|))), 78887#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))), 78886#(and (or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (not (= |main_#t~mem4.base| main_~list~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= main_~end~0.base |main_#t~mem4.base|))), 78889#(or (and (not (= main_~end~0.base main_~list~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 78888#(or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset) |main_#t~mem5.base|)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|)) (= |main_#t~mem5.offset| main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (and (= |main_#t~mem5.base| main_~list~0.base) (= |main_#t~mem5.offset| main_~list~0.offset))), 78891#(or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem11.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset))))), 78890#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 78893#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 78892#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) main_~null~0.offset)))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 78895#(or (and (= main_~null~0.offset |main_#t~mem16.offset|) (= main_~null~0.base |main_#t~mem16.base|)) (and (= main_~null~0.offset |main_#t~mem16.offset|) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) main_~null~0.offset)) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) main_~null~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) main_~null~0.offset)) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) main_~null~0.offset)))))), 78894#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) main_~null~0.offset)))))), 78897#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 78896#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~null~0.offset))) (= main_~null~0.offset main_~end~0.offset) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~null~0.offset))))) (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset))), 78899#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 78898#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)))), 78901#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base))), 78900#(and (= 12 (select |#length| |main_#t~mem16.base|)) (= 0 |main_#t~mem16.offset|))] [2018-04-10 15:25:27,208 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:27,209 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-04-10 15:25:27,209 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-04-10 15:25:27,209 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1304, Unknown=0, NotChecked=0, Total=1406 [2018-04-10 15:25:27,209 INFO L87 Difference]: Start difference. First operand 628 states and 678 transitions. Second operand 38 states. [2018-04-10 15:25:29,284 WARN L151 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 79 DAG size of output 76 [2018-04-10 15:25:31,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:25:31,055 INFO L93 Difference]: Finished difference Result 732 states and 785 transitions. [2018-04-10 15:25:31,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-04-10 15:25:31,055 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 107 [2018-04-10 15:25:31,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:25:31,056 INFO L225 Difference]: With dead ends: 732 [2018-04-10 15:25:31,056 INFO L226 Difference]: Without dead ends: 732 [2018-04-10 15:25:31,056 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1295 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=836, Invalid=5806, Unknown=0, NotChecked=0, Total=6642 [2018-04-10 15:25:31,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2018-04-10 15:25:31,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 599. [2018-04-10 15:25:31,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2018-04-10 15:25:31,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 643 transitions. [2018-04-10 15:25:31,059 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 643 transitions. Word has length 107 [2018-04-10 15:25:31,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:25:31,059 INFO L459 AbstractCegarLoop]: Abstraction has 599 states and 643 transitions. [2018-04-10 15:25:31,059 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-04-10 15:25:31,059 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 643 transitions. [2018-04-10 15:25:31,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-04-10 15:25:31,060 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:25:31,060 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:25:31,060 INFO L408 AbstractCegarLoop]: === Iteration 90 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:25:31,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1695741452, now seen corresponding path program 1 times [2018-04-10 15:25:31,061 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:25:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:25:31,068 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:25:31,311 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:25:31,311 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:25:31,345 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-10 15:25:31,345 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:25:31,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:31,346 INFO L182 omatonBuilderFactory]: Interpolants [80321#true, 80323#(= 1 (select |#valid| main_~list~0.base)), 80322#false, 80325#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 |main_#t~malloc3.offset|) (not (= main_~end~0.base |main_#t~malloc3.base|))), 80324#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 80327#(and (= main_~end~0.base main_~list~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem4.base|))), 80326#(and (= main_~end~0.base main_~list~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 80329#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| main_~list~0.base) 1)), 80328#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 80331#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc3.base|)) (not (= main_~end~0.base |main_#t~malloc3.base|))), 80330#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1)), 80333#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= |main_#t~mem4.base| main_~list~0.base)) (not (= main_~end~0.base |main_#t~mem4.base|))), 80332#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 80335#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem5.base|))), 80334#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 80337#(= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)), 80336#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base))), 80339#(= 0 |main_#t~mem20.offset|), 80338#(and (= main_~end~0.base main_~list~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset))), 80341#(= main_~list~0.offset 0), 80340#(= 0 main_~end~0.offset)] [2018-04-10 15:25:31,346 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:25:31,346 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-10 15:25:31,346 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-10 15:25:31,346 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=348, Unknown=0, NotChecked=0, Total=420 [2018-04-10 15:25:31,346 INFO L87 Difference]: Start difference. First operand 599 states and 643 transitions. Second operand 21 states. [2018-04-10 15:25:32,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:25:32,053 INFO L93 Difference]: Finished difference Result 692 states and 744 transitions. [2018-04-10 15:25:32,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-10 15:25:32,054 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 108 [2018-04-10 15:25:32,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:25:32,054 INFO L225 Difference]: With dead ends: 692 [2018-04-10 15:25:32,054 INFO L226 Difference]: Without dead ends: 692 [2018-04-10 15:25:32,055 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=240, Invalid=1242, Unknown=0, NotChecked=0, Total=1482 [2018-04-10 15:25:32,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2018-04-10 15:25:32,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 652. [2018-04-10 15:25:32,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2018-04-10 15:25:32,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 710 transitions. [2018-04-10 15:25:32,058 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 710 transitions. Word has length 108 [2018-04-10 15:25:32,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:25:32,058 INFO L459 AbstractCegarLoop]: Abstraction has 652 states and 710 transitions. [2018-04-10 15:25:32,058 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-10 15:25:32,058 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 710 transitions. [2018-04-10 15:25:32,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-04-10 15:25:32,058 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:25:32,058 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:25:32,058 INFO L408 AbstractCegarLoop]: === Iteration 91 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:25:32,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1202400037, now seen corresponding path program 2 times [2018-04-10 15:25:32,059 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:25:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:25:32,073 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:25:32,290 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:25:32,290 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:25:32,290 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-10 15:25:32,290 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:25:32,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:32,291 INFO L182 omatonBuilderFactory]: Interpolants [81729#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) |main_#t~mem16.offset|) (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 81728#(and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 81731#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 81730#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) main_~end~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 81733#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 81732#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 81735#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem18.base|) |main_#t~mem18.offset|)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| |main_#t~mem18.base|) |main_#t~mem18.offset|))), 81734#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~null~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 81737#(and (= main_~null~0.base |main_#t~mem19.base|) (= main_~null~0.offset |main_#t~mem19.offset|)), 81736#(and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 81738#(and (= main_~null~0.offset main_~list~0.offset) (= main_~list~0.base main_~null~0.base)), 81723#false, 81722#true, 81725#(and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem16.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 81724#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base)), 81727#(and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem16.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 81726#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))] [2018-04-10 15:25:32,291 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:25:32,291 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-10 15:25:32,291 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-10 15:25:32,291 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2018-04-10 15:25:32,291 INFO L87 Difference]: Start difference. First operand 652 states and 710 transitions. Second operand 17 states. [2018-04-10 15:25:33,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:25:33,113 INFO L93 Difference]: Finished difference Result 832 states and 905 transitions. [2018-04-10 15:25:33,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-10 15:25:33,114 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 108 [2018-04-10 15:25:33,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:25:33,114 INFO L225 Difference]: With dead ends: 832 [2018-04-10 15:25:33,114 INFO L226 Difference]: Without dead ends: 832 [2018-04-10 15:25:33,115 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=779, Unknown=0, NotChecked=0, Total=870 [2018-04-10 15:25:33,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2018-04-10 15:25:33,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 750. [2018-04-10 15:25:33,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 750 states. [2018-04-10 15:25:33,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 826 transitions. [2018-04-10 15:25:33,118 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 826 transitions. Word has length 108 [2018-04-10 15:25:33,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:25:33,118 INFO L459 AbstractCegarLoop]: Abstraction has 750 states and 826 transitions. [2018-04-10 15:25:33,118 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-10 15:25:33,118 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 826 transitions. [2018-04-10 15:25:33,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-04-10 15:25:33,119 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:25:33,119 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:25:33,119 INFO L408 AbstractCegarLoop]: === Iteration 92 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:25:33,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1900464545, now seen corresponding path program 3 times [2018-04-10 15:25:33,119 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:25:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:25:33,128 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:25:33,908 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:33,909 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:25:33,909 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-04-10 15:25:33,909 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:25:33,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:33,909 INFO L182 omatonBuilderFactory]: Interpolants [83347#true, 83349#(= 0 |main_#t~malloc1.offset|), 83348#false, 83351#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 83350#(= 0 main_~list~0.offset), 83353#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc3.base|))), 83352#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 83355#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~end~0.base |main_#t~mem4.base|))), 83354#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 83357#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 83356#(and (= 0 main_~list~0.offset) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 83359#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~malloc3.base|)) (not (= main_~end~0.base |main_#t~malloc3.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 83358#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 83361#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem4.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 83360#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 83363#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~list~0.base main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 83362#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|)) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem5.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem5.base|)), 83365#(and (not (= main_~end~0.base |main_#t~malloc7.base|)) (or (and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc7.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc7.base|))) (and (= |main_#t~malloc7.base| main_~list~0.base) (= |main_#t~malloc7.offset| main_~list~0.offset)))), 83364#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~list~0.base main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1)), 83367#(and (not (= main_~list~0.base main_~end~0.base)) (or (and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= |main_#t~mem8.base| main_~list~0.base))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= main_~end~0.base |main_#t~mem8.base|))), 83366#(and (not (= main_~list~0.base main_~end~0.base)) (or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 83369#(or (and (not (= main_~list~0.base |main_#t~mem9.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))) (and (= |main_#t~mem9.base| main_~list~0.base) (= |main_#t~mem9.offset| main_~list~0.offset))), 83368#(and (or (and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (not (= main_~list~0.base main_~end~0.base))), 83371#(or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 83370#(or (and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 83373#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 83372#(or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem11.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 83375#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))) (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 83374#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 83377#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 83376#(or (and (= main_~null~0.offset |main_#t~mem16.offset|) (= main_~null~0.base |main_#t~mem16.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|))))), 83379#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|))), 83378#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))), 83381#(= 1 (select |#valid| |main_#t~mem14.base|)), 83380#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 83382#(= 1 (select |#valid| main_~end~0.base))] [2018-04-10 15:25:33,909 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:33,909 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-10 15:25:33,910 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-10 15:25:33,910 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1144, Unknown=0, NotChecked=0, Total=1260 [2018-04-10 15:25:33,910 INFO L87 Difference]: Start difference. First operand 750 states and 826 transitions. Second operand 36 states. [2018-04-10 15:25:36,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:25:36,930 INFO L93 Difference]: Finished difference Result 885 states and 971 transitions. [2018-04-10 15:25:36,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-04-10 15:25:36,930 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 109 [2018-04-10 15:25:36,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:25:36,932 INFO L225 Difference]: With dead ends: 885 [2018-04-10 15:25:36,932 INFO L226 Difference]: Without dead ends: 885 [2018-04-10 15:25:36,932 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2042 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=985, Invalid=6671, Unknown=0, NotChecked=0, Total=7656 [2018-04-10 15:25:36,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2018-04-10 15:25:36,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 781. [2018-04-10 15:25:36,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 781 states. [2018-04-10 15:25:36,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 862 transitions. [2018-04-10 15:25:36,938 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 862 transitions. Word has length 109 [2018-04-10 15:25:36,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:25:36,939 INFO L459 AbstractCegarLoop]: Abstraction has 781 states and 862 transitions. [2018-04-10 15:25:36,939 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-10 15:25:36,939 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 862 transitions. [2018-04-10 15:25:36,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-04-10 15:25:36,940 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:25:36,940 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:25:36,940 INFO L408 AbstractCegarLoop]: === Iteration 93 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:25:36,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1900464546, now seen corresponding path program 3 times [2018-04-10 15:25:36,941 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:25:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:25:36,960 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:25:37,803 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:37,804 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:25:37,804 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-04-10 15:25:37,804 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:25:37,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:37,804 INFO L182 omatonBuilderFactory]: Interpolants [85185#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)))), 85184#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))), 85187#(and (= 0 |main_#t~mem14.offset|) (= 12 (select |#length| |main_#t~mem14.base|))), 85186#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 85188#(and (= main_~end~0.offset 0) (= 12 (select |#length| main_~end~0.base))), 85153#true, 85155#(= 0 |main_#t~malloc1.offset|), 85154#false, 85157#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 85156#(= 0 main_~list~0.offset), 85159#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc3.base|))), 85158#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 85161#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (not (= main_~end~0.base |main_#t~mem4.base|))), 85160#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 85163#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 85162#(and (= 0 main_~list~0.offset) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 85165#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~malloc3.base|)) (not (= main_~end~0.base |main_#t~malloc3.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 85164#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 85167#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= |main_#t~mem4.base| main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base |main_#t~mem4.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 85166#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 85169#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 85168#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|)) (= |main_#t~mem5.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem5.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem5.base|)), 85171#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 |main_#t~malloc7.offset|) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| |main_#t~malloc7.base|)) (= |main_#t~malloc7.offset| main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc7.base|))), 85170#(and (not (= main_~end~0.base main_~list~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1)), 85173#(and (not (= main_~end~0.base |main_#t~mem8.base|)) (or (and (not (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (not (= |main_#t~mem8.base| main_~list~0.base))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))), 85172#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 85175#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem9.base|)) (= |main_#t~mem9.offset| main_~list~0.offset)) (and (= |main_#t~mem9.base| main_~list~0.base) (= |main_#t~mem9.offset| main_~list~0.offset))), 85174#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))), 85177#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 85176#(or (and (not (= main_~end~0.base main_~list~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 85179#(or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 85178#(or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) |main_#t~mem11.offset|) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))))), 85181#(or (and (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))))))), 85180#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 85183#(or (and (= main_~end~0.base main_~null~0.base) (= main_~null~0.offset main_~end~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)))))), 85182#(or (and (= main_~null~0.offset |main_#t~mem16.offset|) (= main_~null~0.base |main_#t~mem16.base|)) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) |main_#t~mem16.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) |main_#t~mem16.offset|)))))] [2018-04-10 15:25:37,804 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:37,805 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-10 15:25:37,805 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-10 15:25:37,805 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1145, Unknown=0, NotChecked=0, Total=1260 [2018-04-10 15:25:37,805 INFO L87 Difference]: Start difference. First operand 781 states and 862 transitions. Second operand 36 states. [2018-04-10 15:25:40,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:25:40,657 INFO L93 Difference]: Finished difference Result 895 states and 980 transitions. [2018-04-10 15:25:40,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-04-10 15:25:40,657 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 109 [2018-04-10 15:25:40,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:25:40,658 INFO L225 Difference]: With dead ends: 895 [2018-04-10 15:25:40,658 INFO L226 Difference]: Without dead ends: 895 [2018-04-10 15:25:40,658 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1357 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=634, Invalid=5066, Unknown=0, NotChecked=0, Total=5700 [2018-04-10 15:25:40,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2018-04-10 15:25:40,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 774. [2018-04-10 15:25:40,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 774 states. [2018-04-10 15:25:40,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 774 states and 854 transitions. [2018-04-10 15:25:40,661 INFO L78 Accepts]: Start accepts. Automaton has 774 states and 854 transitions. Word has length 109 [2018-04-10 15:25:40,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:25:40,661 INFO L459 AbstractCegarLoop]: Abstraction has 774 states and 854 transitions. [2018-04-10 15:25:40,661 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-10 15:25:40,661 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 854 transitions. [2018-04-10 15:25:40,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-04-10 15:25:40,662 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:25:40,662 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:25:40,662 INFO L408 AbstractCegarLoop]: === Iteration 94 === [mainErr51RequiresViolation, mainErr66AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr68EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr56AssertViolationMEMORY_FREE, mainErr11RequiresViolation, mainErr63RequiresViolation, mainErr61AssertViolationMEMORY_FREE, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr64AssertViolationMEMORY_FREE, mainErr32RequiresViolation, mainErr57AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr65AssertViolationMEMORY_FREE, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr67AssertViolationMEMORY_FREE, mainErr40RequiresViolation]=== [2018-04-10 15:25:40,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1380304140, now seen corresponding path program 1 times [2018-04-10 15:25:40,663 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:25:40,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:25:40,671 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:25:42,196 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:25:42,196 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:25:42,196 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-04-10 15:25:42,196 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:25:42,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:25:42,196 INFO L182 omatonBuilderFactory]: Interpolants [86976#(= 1 (select |#valid| main_~null~0.base)), 86939#false, 86938#true, 86941#(= main_~null~0.offset 0), 86940#(= 0 |main_#t~malloc0.offset|), 86943#(and (= main_~null~0.offset |main_#t~malloc1.offset|) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base |main_#t~malloc1.base|)) (= main_~null~0.offset 0)), 86942#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.offset 0)), 86945#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.offset main_~list~0.offset) (= 1 (select |#valid| main_~list~0.base)) (= main_~null~0.offset 0)), 86944#(and (= main_~null~0.offset main_~list~0.offset) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset 0)), 86947#(and (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base |main_#t~malloc3.base|) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset |main_#t~malloc3.offset|) (= main_~null~0.offset 0) (not (= main_~end~0.base |main_#t~malloc3.base|))), 86946#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.offset main_~list~0.offset) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0)), 86949#(and (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset))) (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0) (not (= main_~end~0.base |main_#t~mem4.base|))), 86948#(and (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset))) (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 86951#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 86950#(and (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.offset|) (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem5.base|) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem5.base|))), 86953#(and (not (= main_~end~0.base main_~list~0.base)) (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc7.base|)) (not (= main_~end~0.base |main_#t~malloc7.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 12 (select |#length| |main_#t~malloc7.base|)) (= main_~null~0.offset 0) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base |main_#t~malloc7.base|) (= main_~null~0.base main_~list~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 86952#(and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~end~0.base main_~list~0.base)) (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1) (= main_~null~0.offset 0) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 86955#(and (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~mem8.base|)) (= main_~null~0.offset 0) (not (= |main_#t~mem8.base| main_~list~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 86954#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset main_~list~0.offset) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 86957#(and (not (= main_~end~0.base main_~list~0.base)) (or (< main_~end~0.offset main_~null~0.offset) (and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= 12 (select |#length| main_~end~0.base)) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base main_~list~0.base) (= main_~end~0.base main_~null~0.base)))) (= main_~null~0.offset 0)), 86956#(and (not (= main_~list~0.base |main_#t~mem9.base|)) (= main_~null~0.offset main_~list~0.offset) (= 12 (select |#length| |main_#t~mem9.base|)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) |main_#t~mem9.base|) (= main_~null~0.offset 0) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base main_~list~0.base) (= main_~null~0.base |main_#t~mem9.base|))), 86959#(and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#length| main_~end~0.base) 12) (<= 0 main_~end~0.offset) (= main_~null~0.offset 0) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base main_~list~0.base) (= main_~end~0.base main_~null~0.base)) (< main_~end~0.offset (+ main_~null~0.offset 1))), 86958#(and (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select |#length| main_~end~0.base) 12) (<= 0 main_~end~0.offset) (= main_~null~0.offset 0) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base main_~list~0.base) (= main_~end~0.base main_~null~0.base))), 86961#(and (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (= main_~end~0.base main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) main_~null~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.offset 0) (= main_~null~0.offset main_~end~0.offset)), 86960#(and (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base main_~list~0.base)) (= main_~null~0.offset main_~list~0.offset) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (= main_~null~0.offset 0)), 86963#(and (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base |main_#t~mem16.base|)) (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base main_~null~0.base))), 86962#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) main_~null~0.base)) (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= main_~null~0.offset 0) (not (= main_~list~0.base main_~null~0.base))), 86965#(and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (or (and (= 1 (select |#valid| main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= main_~list~0.base main_~null~0.base))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset 0)), 86964#(and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (= main_~null~0.offset 0) (or (= 1 (select |#valid| main_~null~0.base)) (= main_~end~0.base main_~null~0.base)) (not (= main_~list~0.base main_~null~0.base))), 86967#(and (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base |main_#t~mem20.base|)) (and (= 1 (select |#valid| main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base main_~null~0.base)))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (= main_~null~0.offset 0)), 86966#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (or (and (= 1 (select |#valid| main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (not (= main_~list~0.base main_~null~0.base))) (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= main_~null~0.offset 0)), 86969#(and (or (and (= main_~null~0.base main_~end~0.base) (= main_~null~0.offset main_~end~0.offset)) (and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~end~0.base main_~null~0.base)) (not (= main_~list~0.base main_~null~0.base)))) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base)) (= main_~null~0.offset 0)), 86968#(and (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~null~0.base)) (= main_~null~0.offset 0) (or (and (= main_~null~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.base main_~end~0.base)) (and (= 1 (select |#valid| main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base main_~null~0.base)))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 86971#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (or (and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~list~0.base main_~null~0.base))) (and (= main_~null~0.offset main_~list~0.offset) (= main_~list~0.base main_~null~0.base))) (= main_~null~0.offset 0)), 86970#(and (or (and (= main_~null~0.base main_~end~0.base) (= main_~null~0.offset main_~end~0.offset)) (and (= 1 (select |#valid| main_~null~0.base)) (not (= main_~end~0.base main_~null~0.base)))) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~null~0.base)) (= main_~null~0.offset 0)), 86973#(and (= 1 (select |#valid| main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (= |main_#t~mem18.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= main_~null~0.offset 0) (not (= main_~list~0.base main_~null~0.base))), 86972#(and (= 1 (select |#valid| main_~null~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~null~0.base)) (= main_~null~0.offset 0) (not (= main_~list~0.base main_~null~0.base))), 86975#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.offset 0) (not (= main_~null~0.base main_~end~0.base))), 86974#(and (= 1 (select |#valid| main_~null~0.base)) (= main_~null~0.offset 0) (not (= main_~list~0.base main_~null~0.base)) (not (= main_~null~0.base main_~end~0.base)))] [2018-04-10 15:25:42,197 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:25:42,197 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-10 15:25:42,197 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-10 15:25:42,197 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=1336, Unknown=0, NotChecked=0, Total=1482 [2018-04-10 15:25:42,197 INFO L87 Difference]: Start difference. First operand 774 states and 854 transitions. Second operand 39 states. Received shutdown request... [2018-04-10 15:25:43,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-10 15:25:43,431 WARN L519 AbstractCegarLoop]: Verification canceled [2018-04-10 15:25:43,435 WARN L197 ceAbstractionStarter]: Timeout [2018-04-10 15:25:43,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.04 03:25:43 BoogieIcfgContainer [2018-04-10 15:25:43,435 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-10 15:25:43,436 INFO L168 Benchmark]: Toolchain (without parser) took 177071.41 ms. Allocated memory was 403.2 MB in the beginning and 887.6 MB in the end (delta: 484.4 MB). Free memory was 339.0 MB in the beginning and 371.9 MB in the end (delta: -32.9 MB). Peak memory consumption was 451.5 MB. Max. memory is 5.3 GB. [2018-04-10 15:25:43,436 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 403.2 MB. Free memory is still 364.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-10 15:25:43,437 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.67 ms. Allocated memory is still 403.2 MB. Free memory was 337.6 MB in the beginning and 309.8 MB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 5.3 GB. [2018-04-10 15:25:43,437 INFO L168 Benchmark]: Boogie Preprocessor took 45.49 ms. Allocated memory is still 403.2 MB. Free memory was 309.8 MB in the beginning and 307.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-10 15:25:43,437 INFO L168 Benchmark]: RCFGBuilder took 551.18 ms. Allocated memory was 403.2 MB in the beginning and 612.4 MB in the end (delta: 209.2 MB). Free memory was 307.2 MB in the beginning and 524.7 MB in the end (delta: -217.5 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. [2018-04-10 15:25:43,437 INFO L168 Benchmark]: TraceAbstraction took 176202.49 ms. Allocated memory was 612.4 MB in the beginning and 887.6 MB in the end (delta: 275.3 MB). Free memory was 524.7 MB in the beginning and 371.9 MB in the end (delta: 152.8 MB). Peak memory consumption was 428.0 MB. Max. memory is 5.3 GB. [2018-04-10 15:25:43,438 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 403.2 MB. Free memory is still 364.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 269.67 ms. Allocated memory is still 403.2 MB. Free memory was 337.6 MB in the beginning and 309.8 MB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 45.49 ms. Allocated memory is still 403.2 MB. Free memory was 309.8 MB in the beginning and 307.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 551.18 ms. Allocated memory was 403.2 MB in the beginning and 612.4 MB in the end (delta: 209.2 MB). Free memory was 307.2 MB in the beginning and 524.7 MB in the end (delta: -217.5 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. * TraceAbstraction took 176202.49 ms. Allocated memory was 612.4 MB in the beginning and 887.6 MB in the end (delta: 275.3 MB). Free memory was 524.7 MB in the beginning and 371.9 MB in the end (delta: 152.8 MB). Peak memory consumption was 428.0 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1049]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1049). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1070]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1070). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1023]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1023). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1057]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1057). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1013]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1013). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1018]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1018). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1029]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1029). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 996]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 996). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1024]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1024). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1044]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1044). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1024]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1024). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 997]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 997). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1059]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1059). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1064]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1064). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1012]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1012). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1046]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1046). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1011]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1011). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1001]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1001). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1026]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1026). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1057]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1057). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1012]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1012). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1039]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1039). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 993]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 993). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1024]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1024). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1058]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1058). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1003]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1003). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1064]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1064). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1060]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1060). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1022]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1022). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1042]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1042). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1003]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1003). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1039]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1039). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 998]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 998). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1049]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1049). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1027]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1027). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 998]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 998). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1011]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1011). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1027]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1027). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1059]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1059). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1024]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1024). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1025]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1025). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1014]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1014). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1030]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1030). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1046]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1046). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1029]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1029). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1012]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1012). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1022]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1022). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 997]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 997). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1055]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1055). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1042]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1042). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1013]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1013). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1018]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1018). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1065]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1065). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1025]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1025). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1058]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1058). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1023]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1023). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 996]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 996). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1060]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1060). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1002]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1002). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1065]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1065). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1055]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1055). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1001]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1001). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1014]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1014). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1002]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1002). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1026]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1026). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1044]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1044). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1012]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1012). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1070]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1070). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1030]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1030). Cancelled while BasicCegarLoop was constructing difference of abstraction (774states) and interpolant automaton (currently 24 states, 39 states before enhancement), while ReachableStatesComputation was computing reachable states (71 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 171 locations, 69 error locations. TIMEOUT Result, 176.1s OverallTime, 94 OverallIterations, 4 TraceHistogramMax, 130.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9285 SDtfs, 61073 SDslu, 89966 SDs, 0 SdLazy, 142676 SolverSat, 9851 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 53.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4586 GetRequests, 230 SyntacticMatches, 148 SemanticMatches, 4208 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60865 ImplicationChecksByTransitivity, 101.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=781occurred in iteration=92, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 85/2172 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 93 MinimizatonAttempts, 5498 StatesRemovedByMinimization, 91 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 42.2s InterpolantComputationTime, 7363 NumberOfCodeBlocks, 7363 NumberOfCodeBlocksAsserted, 94 NumberOfCheckSat, 7269 ConstructedInterpolants, 0 QuantifiedInterpolants, 16225378 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 94 InterpolantComputations, 17 PerfectInterpolantSequences, 85/2172 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-10_15-25-43-443.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-rb-sentinel_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-10_15-25-43-443.csv Completed graceful shutdown