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/sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-10 15:34:56,956 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-10 15:34:56,957 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-10 15:34:56,968 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-10 15:34:56,968 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-10 15:34:56,969 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-10 15:34:56,970 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-10 15:34:56,971 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-10 15:34:56,973 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-10 15:34:56,973 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-10 15:34:56,974 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-10 15:34:56,975 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-10 15:34:56,975 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-10 15:34:56,976 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-10 15:34:56,977 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-10 15:34:56,978 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-10 15:34:56,980 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-10 15:34:56,981 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-10 15:34:56,982 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-10 15:34:56,984 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-10 15:34:56,985 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-10 15:34:56,990 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-10 15:34:56,991 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-10 15:34:56,991 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 15:34:57,006 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-10 15:34:57,007 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-10 15:34:57,008 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-10 15:34:57,008 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-10 15:34:57,008 INFO L133 SettingsManager]: * Use SBE=true [2018-04-10 15:34:57,008 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-10 15:34:57,008 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-10 15:34:57,008 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-10 15:34:57,009 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-10 15:34:57,009 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-10 15:34:57,009 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-10 15:34:57,009 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-10 15:34:57,009 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-10 15:34:57,009 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-10 15:34:57,009 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-10 15:34:57,010 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-10 15:34:57,010 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-10 15:34:57,010 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-10 15:34:57,010 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-10 15:34:57,010 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-10 15:34:57,010 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-10 15:34:57,011 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-04-10 15:34:57,039 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-10 15:34:57,050 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-10 15:34:57,055 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-10 15:34:57,056 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-10 15:34:57,057 INFO L276 PluginConnector]: CDTParser initialized [2018-04-10 15:34:57,057 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,378 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG9ff74ef7e [2018-04-10 15:34:57,518 INFO L287 CDTParser]: IsIndexed: true [2018-04-10 15:34:57,518 INFO L288 CDTParser]: Found 1 translation units. [2018-04-10 15:34:57,519 INFO L168 CDTParser]: Scanning sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,527 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-10 15:34:57,527 INFO L215 ultiparseSymbolTable]: [2018-04-10 15:34:57,527 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-10 15:34:57,527 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,527 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-10 15:34:57,528 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__Colour in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,528 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__register_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,528 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__pthread_once_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,528 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____uint64_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,528 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____fsword_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,528 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__off_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,528 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__pthread_attr_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,528 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____int8_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,528 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____nlink_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,528 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____sig_atomic_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__timer_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__nlink_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__fsfilcnt_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____ssize_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____mode_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__int32_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__uint in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____intptr_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____blkcnt64_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__pid_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__dev_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__gid_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__u_short in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____uid_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__id_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__ssize_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__caddr_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____rlim_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__quad_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__pthread_spinlock_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__u_int in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__u_int16_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__pthread_cond_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____int32_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__div_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__fd_mask in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__size_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__u_int8_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__key_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__idtype_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____clockid_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__clockid_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__uid_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____pthread_slist_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__pthread_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____id_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____fd_mask in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__lldiv_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____quad_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__wchar_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____socklen_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__int16_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____gid_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____u_quad_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____syscall_ulong_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__pthread_barrier_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____pid_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__fsblkcnt_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____timer_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__pthread_mutexattr_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____off64_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____suseconds_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____u_char in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____fsblkcnt64_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__sigset_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__blkcnt_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__pthread_barrierattr_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__ulong in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____int16_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____u_long in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__u_char in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__pthread_key_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____dev_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____fsblkcnt_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__u_int32_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____fsid_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__blksize_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__pthread_rwlock_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__clock_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____uint32_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____caddr_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__fd_set in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____off_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,534 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__pthread_rwlockattr_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,535 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__u_long in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,535 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____ino_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,535 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____ino64_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,535 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____sigset_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,535 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__fsid_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,535 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____blkcnt_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,535 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__mode_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,535 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__int64_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,535 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____u_short in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,535 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__pthread_mutex_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,535 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__SLL in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,535 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____clock_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,536 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____syscall_slong_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,536 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____u_int in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,536 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__time_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,536 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____loff_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,536 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__suseconds_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,536 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__daddr_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,536 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____blksize_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,536 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____uint16_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,536 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____qaddr_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,536 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____fsfilcnt64_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,536 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____useconds_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,536 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____int64_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,536 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__ldiv_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,537 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__pthread_condattr_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,537 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__ino_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,537 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____time_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,537 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____uint8_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,537 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____rlim64_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,537 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____key_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,537 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__u_quad_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,537 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__ushort in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,537 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__loff_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,537 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____daddr_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,537 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i____fsfilcnt_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,537 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__int8_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,538 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_rb_cnstr___true_unreach_call_true_valid_memsafety_i__u_int64_t in sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:57,552 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG9ff74ef7e [2018-04-10 15:34:57,555 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-10 15:34:57,556 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-10 15:34:57,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-10 15:34:57,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-10 15:34:57,561 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-10 15:34:57,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.04 03:34:57" (1/1) ... [2018-04-10 15:34:57,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5333fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:34:57, skipping insertion in model container [2018-04-10 15:34:57,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.04 03:34:57" (1/1) ... [2018-04-10 15:34:57,575 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-10 15:34:57,600 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-10 15:34:57,730 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-10 15:34:57,769 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-10 15:34:57,779 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 115 non ball SCCs. Number of states in SCCs 115. [2018-04-10 15:34:57,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:34:57 WrapperNode [2018-04-10 15:34:57,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-10 15:34:57,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-10 15:34:57,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-10 15:34:57,814 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-10 15:34:57,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:34:57" (1/1) ... [2018-04-10 15:34:57,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:34:57" (1/1) ... [2018-04-10 15:34:57,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:34:57" (1/1) ... [2018-04-10 15:34:57,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:34:57" (1/1) ... [2018-04-10 15:34:57,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:34:57" (1/1) ... [2018-04-10 15:34:57,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:34:57" (1/1) ... [2018-04-10 15:34:57,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:34:57" (1/1) ... [2018-04-10 15:34:57,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-10 15:34:57,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-10 15:34:57,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-10 15:34:57,855 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-10 15:34:57,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:34:57" (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 15:34:57,942 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-10 15:34:57,942 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-10 15:34:57,942 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-10 15:34:57,942 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-10 15:34:57,942 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-10 15:34:57,942 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-10 15:34:57,942 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-10 15:34:57,943 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-10 15:34:57,943 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-10 15:34:57,943 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-10 15:34:57,943 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-10 15:34:57,943 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-10 15:34:57,943 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-10 15:34:57,943 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-10 15:34:57,943 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-10 15:34:57,943 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-10 15:34:57,943 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-10 15:34:57,943 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-10 15:34:57,944 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-10 15:34:57,944 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-10 15:34:57,944 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-10 15:34:57,944 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-10 15:34:57,944 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-10 15:34:57,944 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-10 15:34:57,944 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-10 15:34:57,944 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-10 15:34:57,944 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-10 15:34:57,944 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-10 15:34:57,944 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-10 15:34:57,945 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-10 15:34:57,945 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-10 15:34:57,945 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-10 15:34:57,945 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-10 15:34:57,945 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-10 15:34:57,945 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-10 15:34:57,945 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-10 15:34:57,945 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-10 15:34:57,945 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-10 15:34:57,946 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-10 15:34:57,946 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-10 15:34:57,946 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-10 15:34:57,946 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-10 15:34:57,946 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-10 15:34:57,946 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-10 15:34:57,946 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-10 15:34:57,946 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-10 15:34:57,946 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-10 15:34:57,946 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-10 15:34:57,947 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-10 15:34:57,947 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-10 15:34:57,947 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-10 15:34:57,947 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-10 15:34:57,947 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-10 15:34:57,947 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-10 15:34:57,947 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-10 15:34:57,947 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-10 15:34:57,947 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-10 15:34:57,947 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-10 15:34:57,948 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-10 15:34:57,948 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-10 15:34:57,948 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-10 15:34:57,948 INFO L128 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-04-10 15:34:57,948 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-10 15:34:57,948 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-10 15:34:57,948 INFO L128 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-04-10 15:34:57,948 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-10 15:34:57,948 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-10 15:34:57,948 INFO L128 BoogieDeclarations]: Found specification of procedure quick_exit [2018-04-10 15:34:57,948 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-10 15:34:57,949 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-10 15:34:57,949 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-10 15:34:57,949 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-10 15:34:57,949 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-10 15:34:57,949 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-10 15:34:57,949 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-10 15:34:57,949 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-10 15:34:57,949 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-10 15:34:57,949 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-10 15:34:57,949 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-10 15:34:57,949 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-10 15:34:57,949 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-10 15:34:57,949 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-10 15:34:57,949 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-10 15:34:57,949 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-10 15:34:57,950 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-10 15:34:57,950 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-10 15:34:57,950 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-10 15:34:57,950 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-10 15:34:57,950 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-10 15:34:57,950 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-10 15:34:57,950 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-10 15:34:57,950 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-10 15:34:57,950 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-10 15:34:57,950 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-10 15:34:57,950 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-10 15:34:57,950 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-10 15:34:57,950 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-10 15:34:57,950 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-10 15:34:57,950 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-10 15:34:57,950 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-10 15:34:57,951 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-10 15:34:57,951 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-10 15:34:57,951 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-10 15:34:57,951 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-10 15:34:57,951 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-10 15:34:57,951 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-10 15:34:57,951 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-10 15:34:57,951 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-10 15:34:57,951 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-10 15:34:57,952 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-10 15:34:57,952 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-10 15:34:57,952 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-10 15:34:57,952 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-10 15:34:57,952 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-10 15:34:57,952 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-10 15:34:57,952 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-10 15:34:57,952 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-10 15:34:57,952 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-10 15:34:58,311 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-10 15:34:58,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.04 03:34:58 BoogieIcfgContainer [2018-04-10 15:34:58,311 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-10 15:34:58,312 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-10 15:34:58,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-10 15:34:58,314 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-10 15:34:58,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.04 03:34:57" (1/3) ... [2018-04-10 15:34:58,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@444cd376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.04 03:34:58, skipping insertion in model container [2018-04-10 15:34:58,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:34:57" (2/3) ... [2018-04-10 15:34:58,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@444cd376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.04 03:34:58, skipping insertion in model container [2018-04-10 15:34:58,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.04 03:34:58" (3/3) ... [2018-04-10 15:34:58,317 INFO L107 eAbstractionObserver]: Analyzing ICFG sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-04-10 15:34:58,325 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-10 15:34:58,331 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 47 error locations. [2018-04-10 15:34:58,362 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-10 15:34:58,363 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-10 15:34:58,363 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-10 15:34:58,363 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-10 15:34:58,363 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-10 15:34:58,363 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-10 15:34:58,364 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-10 15:34:58,364 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-10 15:34:58,364 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-10 15:34:58,364 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-10 15:34:58,377 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2018-04-10 15:34:58,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-10 15:34:58,385 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:34:58,386 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:34:58,386 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:34:58,390 INFO L82 PathProgramCache]: Analyzing trace with hash -2016807197, now seen corresponding path program 1 times [2018-04-10 15:34:58,438 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:34:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:34:58,466 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:34:58,513 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 15:34:58,515 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:34:58,515 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 15:34:58,516 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:34:58,517 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 15:34:58,517 INFO L182 omatonBuilderFactory]: Interpolants [128#(= 1 (select |#valid| |main_#t~malloc0.base|)), 129#(= 1 (select |#valid| main_~list~0.base)), 126#true, 127#false] [2018-04-10 15:34:58,517 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 15:34:58,518 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 15:34:58,527 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 15:34:58,528 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 15:34:58,529 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 4 states. [2018-04-10 15:34:58,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:34:58,675 INFO L93 Difference]: Finished difference Result 140 states and 147 transitions. [2018-04-10 15:34:58,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 15:34:58,677 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-10 15:34:58,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:34:58,686 INFO L225 Difference]: With dead ends: 140 [2018-04-10 15:34:58,686 INFO L226 Difference]: Without dead ends: 136 [2018-04-10 15:34:58,688 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 15:34:58,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-04-10 15:34:58,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 117. [2018-04-10 15:34:58,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-04-10 15:34:58,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 124 transitions. [2018-04-10 15:34:58,719 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 124 transitions. Word has length 8 [2018-04-10 15:34:58,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:34:58,720 INFO L459 AbstractCegarLoop]: Abstraction has 117 states and 124 transitions. [2018-04-10 15:34:58,720 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 15:34:58,720 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 124 transitions. [2018-04-10 15:34:58,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-10 15:34:58,720 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:34:58,721 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:34:58,721 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:34:58,721 INFO L82 PathProgramCache]: Analyzing trace with hash -2016807196, now seen corresponding path program 1 times [2018-04-10 15:34:58,722 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:34:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:34:58,734 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:34:58,771 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 15:34:58,771 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:34:58,771 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 15:34:58,771 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:34:58,772 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 15:34:58,772 INFO L182 omatonBuilderFactory]: Interpolants [389#true, 390#false, 391#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 392#(and (= main_~list~0.offset 0) (= 8 (select |#length| main_~list~0.base)))] [2018-04-10 15:34:58,772 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 15:34:58,773 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 15:34:58,773 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 15:34:58,773 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 15:34:58,774 INFO L87 Difference]: Start difference. First operand 117 states and 124 transitions. Second operand 4 states. [2018-04-10 15:34:58,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:34:58,864 INFO L93 Difference]: Finished difference Result 134 states and 140 transitions. [2018-04-10 15:34:58,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-10 15:34:58,864 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-10 15:34:58,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:34:58,865 INFO L225 Difference]: With dead ends: 134 [2018-04-10 15:34:58,865 INFO L226 Difference]: Without dead ends: 134 [2018-04-10 15:34:58,866 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 15:34:58,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-04-10 15:34:58,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 122. [2018-04-10 15:34:58,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-04-10 15:34:58,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 129 transitions. [2018-04-10 15:34:58,870 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 129 transitions. Word has length 8 [2018-04-10 15:34:58,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:34:58,870 INFO L459 AbstractCegarLoop]: Abstraction has 122 states and 129 transitions. [2018-04-10 15:34:58,871 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 15:34:58,871 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 129 transitions. [2018-04-10 15:34:58,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-10 15:34:58,871 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:34:58,871 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:34:58,871 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:34:58,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1848106096, now seen corresponding path program 1 times [2018-04-10 15:34:58,872 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:34:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:34:58,883 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:34:58,923 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 15:34:58,923 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:34:58,923 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-10 15:34:58,923 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:34:58,924 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 15:34:58,924 INFO L182 omatonBuilderFactory]: Interpolants [651#true, 652#false, 653#(= 1 (select |#valid| main_~list~0.base)), 654#(= 1 (select |#valid| main_~end~0.base))] [2018-04-10 15:34:58,924 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 15:34:58,924 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 15:34:58,924 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 15:34:58,924 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 15:34:58,925 INFO L87 Difference]: Start difference. First operand 122 states and 129 transitions. Second operand 4 states. [2018-04-10 15:34:59,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:34:59,049 INFO L93 Difference]: Finished difference Result 129 states and 137 transitions. [2018-04-10 15:34:59,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 15:34:59,049 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-04-10 15:34:59,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:34:59,050 INFO L225 Difference]: With dead ends: 129 [2018-04-10 15:34:59,050 INFO L226 Difference]: Without dead ends: 129 [2018-04-10 15:34:59,050 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:34:59,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-04-10 15:34:59,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 114. [2018-04-10 15:34:59,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-04-10 15:34:59,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 123 transitions. [2018-04-10 15:34:59,054 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 123 transitions. Word has length 15 [2018-04-10 15:34:59,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:34:59,055 INFO L459 AbstractCegarLoop]: Abstraction has 114 states and 123 transitions. [2018-04-10 15:34:59,055 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 15:34:59,055 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 123 transitions. [2018-04-10 15:34:59,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-10 15:34:59,055 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:34:59,055 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:34:59,055 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:34:59,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1848106097, now seen corresponding path program 1 times [2018-04-10 15:34:59,056 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:34:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:34:59,067 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:34:59,115 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 15:34:59,115 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:34:59,116 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-10 15:34:59,116 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:34:59,116 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 15:34:59,116 INFO L182 omatonBuilderFactory]: Interpolants [900#true, 901#false, 902#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 903#(and (= 0 main_~list~0.offset) (= 8 (select |#length| main_~list~0.base))), 904#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base)))] [2018-04-10 15:34:59,116 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 15:34:59,117 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 15:34:59,117 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 15:34:59,117 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:34:59,117 INFO L87 Difference]: Start difference. First operand 114 states and 123 transitions. Second operand 5 states. [2018-04-10 15:34:59,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:34:59,265 INFO L93 Difference]: Finished difference Result 149 states and 159 transitions. [2018-04-10 15:34:59,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 15:34:59,265 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-04-10 15:34:59,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:34:59,266 INFO L225 Difference]: With dead ends: 149 [2018-04-10 15:34:59,266 INFO L226 Difference]: Without dead ends: 149 [2018-04-10 15:34:59,266 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 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 15:34:59,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-04-10 15:34:59,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 122. [2018-04-10 15:34:59,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-04-10 15:34:59,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 132 transitions. [2018-04-10 15:34:59,270 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 132 transitions. Word has length 15 [2018-04-10 15:34:59,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:34:59,270 INFO L459 AbstractCegarLoop]: Abstraction has 122 states and 132 transitions. [2018-04-10 15:34:59,270 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 15:34:59,270 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 132 transitions. [2018-04-10 15:34:59,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-10 15:34:59,271 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:34:59,271 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:34:59,271 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:34:59,271 INFO L82 PathProgramCache]: Analyzing trace with hash -257065362, now seen corresponding path program 1 times [2018-04-10 15:34:59,275 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:34:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:34:59,286 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:34:59,329 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 15:34:59,329 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:34:59,329 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-10 15:34:59,329 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:34:59,329 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 15:34:59,329 INFO L182 omatonBuilderFactory]: Interpolants [1184#(and (= 8 (select |#length| |main_#t~mem3.base|)) (= 0 |main_#t~mem3.offset|)), 1185#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base))), 1180#true, 1181#false, 1182#(and (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|))), 1183#(and (= 8 (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 15:34:59,329 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 15:34:59,329 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-10 15:34:59,330 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-10 15:34:59,330 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-10 15:34:59,330 INFO L87 Difference]: Start difference. First operand 122 states and 132 transitions. Second operand 6 states. [2018-04-10 15:34:59,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:34:59,534 INFO L93 Difference]: Finished difference Result 202 states and 220 transitions. [2018-04-10 15:34:59,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-10 15:34:59,534 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-04-10 15:34:59,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:34:59,535 INFO L225 Difference]: With dead ends: 202 [2018-04-10 15:34:59,535 INFO L226 Difference]: Without dead ends: 202 [2018-04-10 15:34:59,535 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-04-10 15:34:59,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2018-04-10 15:34:59,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 117. [2018-04-10 15:34:59,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-04-10 15:34:59,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 127 transitions. [2018-04-10 15:34:59,539 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 127 transitions. Word has length 18 [2018-04-10 15:34:59,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:34:59,539 INFO L459 AbstractCegarLoop]: Abstraction has 117 states and 127 transitions. [2018-04-10 15:34:59,539 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-10 15:34:59,539 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 127 transitions. [2018-04-10 15:34:59,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-10 15:34:59,540 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:34:59,540 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:34:59,540 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:34:59,540 INFO L82 PathProgramCache]: Analyzing trace with hash -257065363, now seen corresponding path program 1 times [2018-04-10 15:34:59,541 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:34:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:34:59,551 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:34:59,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:34:59,585 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:34:59,585 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-10 15:34:59,586 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:34:59,586 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 15:34:59,586 INFO L182 omatonBuilderFactory]: Interpolants [1520#(= 1 (select |#valid| |main_#t~mem3.base|)), 1521#(= 1 (select |#valid| main_~end~0.base)), 1516#true, 1517#false, 1518#(= 1 (select |#valid| |main_#t~malloc2.base|)), 1519#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))] [2018-04-10 15:34:59,586 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 15:34:59,586 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-10 15:34:59,587 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-10 15:34:59,587 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-10 15:34:59,587 INFO L87 Difference]: Start difference. First operand 117 states and 127 transitions. Second operand 6 states. [2018-04-10 15:34:59,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:34:59,743 INFO L93 Difference]: Finished difference Result 195 states and 213 transitions. [2018-04-10 15:34:59,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-10 15:34:59,743 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-04-10 15:34:59,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:34:59,744 INFO L225 Difference]: With dead ends: 195 [2018-04-10 15:34:59,744 INFO L226 Difference]: Without dead ends: 195 [2018-04-10 15:34:59,744 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-04-10 15:34:59,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-04-10 15:34:59,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 116. [2018-04-10 15:34:59,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-04-10 15:34:59,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 126 transitions. [2018-04-10 15:34:59,749 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 126 transitions. Word has length 18 [2018-04-10 15:34:59,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:34:59,750 INFO L459 AbstractCegarLoop]: Abstraction has 116 states and 126 transitions. [2018-04-10 15:34:59,750 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-10 15:34:59,750 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 126 transitions. [2018-04-10 15:34:59,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-10 15:34:59,751 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:34:59,751 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:34:59,751 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:34:59,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1448078300, now seen corresponding path program 1 times [2018-04-10 15:34:59,752 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:34:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:34:59,763 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:34:59,796 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 15:34:59,796 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:34:59,797 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-10 15:34:59,797 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:34:59,797 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 15:34:59,797 INFO L182 omatonBuilderFactory]: Interpolants [1840#true, 1841#false, 1842#(= 1 (select |#valid| |main_#t~malloc5.base|)), 1843#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 1844#(= 1 (select |#valid| |main_#t~mem6.base|)), 1845#(= 1 (select |#valid| main_~end~0.base))] [2018-04-10 15:34:59,797 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 15:34:59,797 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-10 15:34:59,798 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-10 15:34:59,798 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-10 15:34:59,798 INFO L87 Difference]: Start difference. First operand 116 states and 126 transitions. Second operand 6 states. [2018-04-10 15:34:59,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:34:59,945 INFO L93 Difference]: Finished difference Result 208 states and 228 transitions. [2018-04-10 15:34:59,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-10 15:34:59,946 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-04-10 15:34:59,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:34:59,947 INFO L225 Difference]: With dead ends: 208 [2018-04-10 15:34:59,947 INFO L226 Difference]: Without dead ends: 208 [2018-04-10 15:34:59,947 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-04-10 15:34:59,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2018-04-10 15:34:59,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 115. [2018-04-10 15:34:59,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-04-10 15:34:59,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 125 transitions. [2018-04-10 15:34:59,952 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 125 transitions. Word has length 26 [2018-04-10 15:34:59,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:34:59,952 INFO L459 AbstractCegarLoop]: Abstraction has 115 states and 125 transitions. [2018-04-10 15:34:59,952 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-10 15:34:59,953 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 125 transitions. [2018-04-10 15:34:59,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-10 15:34:59,953 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:34:59,953 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:34:59,954 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:34:59,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1448078301, now seen corresponding path program 1 times [2018-04-10 15:34:59,955 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:34:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:34:59,966 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:00,053 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 15:35:00,053 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:35:00,053 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-10 15:35:00,053 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:00,053 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 15:35:00,053 INFO L182 omatonBuilderFactory]: Interpolants [2176#true, 2177#false, 2178#(and (= 0 |main_#t~malloc5.offset|) (= 8 (select |#length| |main_#t~malloc5.base|))), 2179#(and (= 8 (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))), 2180#(and (= 0 |main_#t~mem6.offset|) (= 8 (select |#length| |main_#t~mem6.base|))), 2181#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base)))] [2018-04-10 15:35:00,053 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 15:35:00,054 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-10 15:35:00,054 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-10 15:35:00,054 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-10 15:35:00,054 INFO L87 Difference]: Start difference. First operand 115 states and 125 transitions. Second operand 6 states. [2018-04-10 15:35:00,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:00,223 INFO L93 Difference]: Finished difference Result 203 states and 222 transitions. [2018-04-10 15:35:00,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-10 15:35:00,224 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-04-10 15:35:00,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:00,225 INFO L225 Difference]: With dead ends: 203 [2018-04-10 15:35:00,225 INFO L226 Difference]: Without dead ends: 203 [2018-04-10 15:35:00,225 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-04-10 15:35:00,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-04-10 15:35:00,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 105. [2018-04-10 15:35:00,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-04-10 15:35:00,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 114 transitions. [2018-04-10 15:35:00,229 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 114 transitions. Word has length 26 [2018-04-10 15:35:00,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:00,229 INFO L459 AbstractCegarLoop]: Abstraction has 105 states and 114 transitions. [2018-04-10 15:35:00,229 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-10 15:35:00,230 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 114 transitions. [2018-04-10 15:35:00,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-10 15:35:00,230 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:00,230 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 15:35:00,230 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:00,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1962181949, now seen corresponding path program 1 times [2018-04-10 15:35:00,232 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:00,237 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:00,275 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 15:35:00,276 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:35:00,276 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-10 15:35:00,276 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:00,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:00,276 INFO L182 omatonBuilderFactory]: Interpolants [2497#true, 2498#false, 2499#(not (= 0 |main_#t~malloc0.base|)), 2500#(not (= 0 main_~list~0.base)), 2501#(not (= 0 main_~end~0.base))] [2018-04-10 15:35:00,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:00,276 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 15:35:00,276 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 15:35:00,277 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:35:00,277 INFO L87 Difference]: Start difference. First operand 105 states and 114 transitions. Second operand 5 states. [2018-04-10 15:35:00,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:00,341 INFO L93 Difference]: Finished difference Result 124 states and 132 transitions. [2018-04-10 15:35:00,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 15:35:00,342 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2018-04-10 15:35:00,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:00,342 INFO L225 Difference]: With dead ends: 124 [2018-04-10 15:35:00,342 INFO L226 Difference]: Without dead ends: 124 [2018-04-10 15:35:00,342 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 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 15:35:00,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-04-10 15:35:00,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 105. [2018-04-10 15:35:00,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-04-10 15:35:00,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 112 transitions. [2018-04-10 15:35:00,344 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 112 transitions. Word has length 27 [2018-04-10 15:35:00,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:00,344 INFO L459 AbstractCegarLoop]: Abstraction has 105 states and 112 transitions. [2018-04-10 15:35:00,344 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 15:35:00,344 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 112 transitions. [2018-04-10 15:35:00,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-10 15:35:00,345 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:00,345 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:35:00,345 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:00,345 INFO L82 PathProgramCache]: Analyzing trace with hash 434773783, now seen corresponding path program 1 times [2018-04-10 15:35:00,346 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:00,350 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:00,412 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 15:35:00,412 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:00,412 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-04-10 15:35:00,412 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:00,413 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 15:35:00,413 INFO L182 omatonBuilderFactory]: Interpolants [2736#false, 2737#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 2738#(and (= 0 (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))), 2739#(and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)), 2740#(and (= main_~end~0.offset 0) (= main_~end~0.base 0)), 2735#true] [2018-04-10 15:35:00,413 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 15:35:00,413 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-10 15:35:00,413 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-10 15:35:00,413 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-10 15:35:00,413 INFO L87 Difference]: Start difference. First operand 105 states and 112 transitions. Second operand 6 states. [2018-04-10 15:35:00,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:00,565 INFO L93 Difference]: Finished difference Result 168 states and 180 transitions. [2018-04-10 15:35:00,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-10 15:35:00,565 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-04-10 15:35:00,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:00,567 INFO L225 Difference]: With dead ends: 168 [2018-04-10 15:35:00,567 INFO L226 Difference]: Without dead ends: 168 [2018-04-10 15:35:00,567 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-04-10 15:35:00,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-04-10 15:35:00,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 124. [2018-04-10 15:35:00,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-04-10 15:35:00,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 133 transitions. [2018-04-10 15:35:00,571 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 133 transitions. Word has length 30 [2018-04-10 15:35:00,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:00,571 INFO L459 AbstractCegarLoop]: Abstraction has 124 states and 133 transitions. [2018-04-10 15:35:00,571 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-10 15:35:00,571 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 133 transitions. [2018-04-10 15:35:00,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-10 15:35:00,572 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:00,572 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] [2018-04-10 15:35:00,572 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:00,572 INFO L82 PathProgramCache]: Analyzing trace with hash -720676292, now seen corresponding path program 1 times [2018-04-10 15:35:00,573 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:00,580 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:00,641 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 15:35:00,641 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:35:00,641 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-10 15:35:00,641 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:00,641 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 15:35:00,641 INFO L182 omatonBuilderFactory]: Interpolants [3040#false, 3041#(= |main_#t~mem7| (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4))), 3042#(= ~unnamed2~0~BLACK (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4))), 3043#(= ~unnamed2~0~BLACK |main_#t~mem8|), 3039#true] [2018-04-10 15:35:00,642 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 15:35:00,642 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 15:35:00,642 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 15:35:00,642 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:35:00,642 INFO L87 Difference]: Start difference. First operand 124 states and 133 transitions. Second operand 5 states. [2018-04-10 15:35:00,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:00,723 INFO L93 Difference]: Finished difference Result 128 states and 135 transitions. [2018-04-10 15:35:00,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 15:35:00,724 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-04-10 15:35:00,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:00,724 INFO L225 Difference]: With dead ends: 128 [2018-04-10 15:35:00,725 INFO L226 Difference]: Without dead ends: 128 [2018-04-10 15:35:00,725 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 15:35:00,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-04-10 15:35:00,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 123. [2018-04-10 15:35:00,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-04-10 15:35:00,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 130 transitions. [2018-04-10 15:35:00,727 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 130 transitions. Word has length 32 [2018-04-10 15:35:00,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:00,728 INFO L459 AbstractCegarLoop]: Abstraction has 123 states and 130 transitions. [2018-04-10 15:35:00,728 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 15:35:00,728 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 130 transitions. [2018-04-10 15:35:00,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-10 15:35:00,729 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:00,729 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] [2018-04-10 15:35:00,729 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:00,729 INFO L82 PathProgramCache]: Analyzing trace with hash 987468361, now seen corresponding path program 1 times [2018-04-10 15:35:00,730 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:00,737 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:00,791 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 15:35:00,791 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:00,791 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-04-10 15:35:00,791 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:00,791 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 15:35:00,791 INFO L182 omatonBuilderFactory]: Interpolants [3297#true, 3298#false, 3299#(= (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 4)) ~unnamed2~0~BLACK), 3300#(and (= (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 4)) ~unnamed2~0~BLACK) (= |main_#t~mem7| (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)))), 3301#(= (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 4)) (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4))), 3302#(= |main_#t~mem8| (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 4))), 3303#(not (= (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 4)) ~unnamed2~0~RED)), 3304#(not (= |main_#t~mem12| ~unnamed2~0~RED))] [2018-04-10 15:35:00,791 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 15:35:00,792 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-10 15:35:00,792 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-10 15:35:00,792 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-10 15:35:00,792 INFO L87 Difference]: Start difference. First operand 123 states and 130 transitions. Second operand 8 states. [2018-04-10 15:35:01,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:01,028 INFO L93 Difference]: Finished difference Result 196 states and 207 transitions. [2018-04-10 15:35:01,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-10 15:35:01,028 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 39 [2018-04-10 15:35:01,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:01,029 INFO L225 Difference]: With dead ends: 196 [2018-04-10 15:35:01,029 INFO L226 Difference]: Without dead ends: 196 [2018-04-10 15:35:01,029 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 15:35:01,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-04-10 15:35:01,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 120. [2018-04-10 15:35:01,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-04-10 15:35:01,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 126 transitions. [2018-04-10 15:35:01,032 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 126 transitions. Word has length 39 [2018-04-10 15:35:01,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:01,032 INFO L459 AbstractCegarLoop]: Abstraction has 120 states and 126 transitions. [2018-04-10 15:35:01,032 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-10 15:35:01,033 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 126 transitions. [2018-04-10 15:35:01,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-04-10 15:35:01,034 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:01,034 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] [2018-04-10 15:35:01,034 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:01,034 INFO L82 PathProgramCache]: Analyzing trace with hash 690827208, now seen corresponding path program 1 times [2018-04-10 15:35:01,035 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:01,058 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:01,191 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 15:35:01,192 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:01,192 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-10 15:35:01,192 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:01,192 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 15:35:01,192 INFO L182 omatonBuilderFactory]: Interpolants [3635#true, 3636#false, 3637#(= (select |#valid| main_~list~0.base) 1), 3638#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 3639#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 3640#(and (= main_~end~0.base main_~list~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)))), 3641#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem3.base|))), 3642#(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))), 3643#(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))), 3644#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 3645#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 3646#(= 1 (select |#valid| |main_#t~mem11.base|)), 3647#(= 1 (select |#valid| main_~end~0.base))] [2018-04-10 15:35:01,192 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 15:35:01,192 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-10 15:35:01,193 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-10 15:35:01,193 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-04-10 15:35:01,193 INFO L87 Difference]: Start difference. First operand 120 states and 126 transitions. Second operand 13 states. [2018-04-10 15:35:01,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:01,869 INFO L93 Difference]: Finished difference Result 197 states and 208 transitions. [2018-04-10 15:35:01,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-10 15:35:01,869 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 41 [2018-04-10 15:35:01,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:01,870 INFO L225 Difference]: With dead ends: 197 [2018-04-10 15:35:01,870 INFO L226 Difference]: Without dead ends: 197 [2018-04-10 15:35:01,870 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2018-04-10 15:35:01,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-04-10 15:35:01,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 148. [2018-04-10 15:35:01,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-04-10 15:35:01,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 158 transitions. [2018-04-10 15:35:01,872 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 158 transitions. Word has length 41 [2018-04-10 15:35:01,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:01,872 INFO L459 AbstractCegarLoop]: Abstraction has 148 states and 158 transitions. [2018-04-10 15:35:01,872 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-10 15:35:01,872 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 158 transitions. [2018-04-10 15:35:01,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-04-10 15:35:01,873 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:01,873 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] [2018-04-10 15:35:01,873 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:01,873 INFO L82 PathProgramCache]: Analyzing trace with hash 690827209, now seen corresponding path program 1 times [2018-04-10 15:35:01,874 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:01,883 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:02,179 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 15:35:02,179 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:02,179 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-10 15:35:02,179 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:02,179 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 15:35:02,179 INFO L182 omatonBuilderFactory]: Interpolants [4016#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 4017#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|))), 4018#(and (= main_~end~0.base main_~list~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| 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)))), 4019#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem3.base|))), 4020#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 4021#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 4022#(and (= 8 (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))), 4023#(and (= 0 |main_#t~mem11.offset|) (= 8 (select |#length| |main_#t~mem11.base|))), 4024#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base))), 4013#true, 4014#false, 4015#(= (select |#valid| main_~list~0.base) 1)] [2018-04-10 15:35:02,180 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 15:35:02,180 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-10 15:35:02,180 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-10 15:35:02,180 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-04-10 15:35:02,180 INFO L87 Difference]: Start difference. First operand 148 states and 158 transitions. Second operand 12 states. [2018-04-10 15:35:02,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:02,587 INFO L93 Difference]: Finished difference Result 202 states and 214 transitions. [2018-04-10 15:35:02,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-10 15:35:02,587 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 41 [2018-04-10 15:35:02,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:02,588 INFO L225 Difference]: With dead ends: 202 [2018-04-10 15:35:02,588 INFO L226 Difference]: Without dead ends: 202 [2018-04-10 15:35:02,588 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2018-04-10 15:35:02,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2018-04-10 15:35:02,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 150. [2018-04-10 15:35:02,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-04-10 15:35:02,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 160 transitions. [2018-04-10 15:35:02,591 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 160 transitions. Word has length 41 [2018-04-10 15:35:02,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:02,592 INFO L459 AbstractCegarLoop]: Abstraction has 150 states and 160 transitions. [2018-04-10 15:35:02,592 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-10 15:35:02,592 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 160 transitions. [2018-04-10 15:35:02,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-10 15:35:02,592 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:02,593 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] [2018-04-10 15:35:02,593 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:02,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1672740785, now seen corresponding path program 1 times [2018-04-10 15:35:02,594 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:02,600 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:02,638 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:35:02,638 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:02,638 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-04-10 15:35:02,639 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:02,639 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 15:35:02,639 INFO L182 omatonBuilderFactory]: Interpolants [4393#true, 4394#false, 4395#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 4396#(and (= 0 |main_#t~mem15.offset|) (= 0 |main_#t~mem15.base|)), 4397#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset)), 4398#(and (= main_~list~0.offset 0) (= 0 main_~list~0.base))] [2018-04-10 15:35:02,639 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:35:02,639 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-10 15:35:02,639 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-10 15:35:02,639 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-10 15:35:02,639 INFO L87 Difference]: Start difference. First operand 150 states and 160 transitions. Second operand 6 states. [2018-04-10 15:35:02,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:02,735 INFO L93 Difference]: Finished difference Result 165 states and 174 transitions. [2018-04-10 15:35:02,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-10 15:35:02,735 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2018-04-10 15:35:02,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:02,736 INFO L225 Difference]: With dead ends: 165 [2018-04-10 15:35:02,736 INFO L226 Difference]: Without dead ends: 165 [2018-04-10 15:35:02,736 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-04-10 15:35:02,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-04-10 15:35:02,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2018-04-10 15:35:02,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-04-10 15:35:02,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 172 transitions. [2018-04-10 15:35:02,740 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 172 transitions. Word has length 42 [2018-04-10 15:35:02,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:02,740 INFO L459 AbstractCegarLoop]: Abstraction has 162 states and 172 transitions. [2018-04-10 15:35:02,740 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-10 15:35:02,740 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 172 transitions. [2018-04-10 15:35:02,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-04-10 15:35:02,740 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:02,741 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] [2018-04-10 15:35:02,741 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:02,741 INFO L82 PathProgramCache]: Analyzing trace with hash 315356290, now seen corresponding path program 1 times [2018-04-10 15:35:02,742 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:02,749 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:02,806 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 15:35:02,806 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:02,806 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-04-10 15:35:02,806 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:02,807 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 15:35:02,807 INFO L182 omatonBuilderFactory]: Interpolants [4736#(= (store |#valid| main_~list~0.base 0) |old(#valid)|), 4732#true, 4733#false, 4734#(= |#valid| |old(#valid)|), 4735#(= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|)] [2018-04-10 15:35:02,807 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 15:35:02,807 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 15:35:02,807 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 15:35:02,807 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 15:35:02,807 INFO L87 Difference]: Start difference. First operand 162 states and 172 transitions. Second operand 5 states. [2018-04-10 15:35:02,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:02,905 INFO L93 Difference]: Finished difference Result 164 states and 173 transitions. [2018-04-10 15:35:02,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-10 15:35:02,906 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2018-04-10 15:35:02,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:02,906 INFO L225 Difference]: With dead ends: 164 [2018-04-10 15:35:02,906 INFO L226 Difference]: Without dead ends: 134 [2018-04-10 15:35:02,907 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 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 15:35:02,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-04-10 15:35:02,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-04-10 15:35:02,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-04-10 15:35:02,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 143 transitions. [2018-04-10 15:35:02,909 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 143 transitions. Word has length 43 [2018-04-10 15:35:02,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:02,910 INFO L459 AbstractCegarLoop]: Abstraction has 134 states and 143 transitions. [2018-04-10 15:35:02,910 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 15:35:02,910 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 143 transitions. [2018-04-10 15:35:02,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-10 15:35:02,910 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:02,910 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] [2018-04-10 15:35:02,910 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:02,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1367660270, now seen corresponding path program 2 times [2018-04-10 15:35:02,911 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:02,923 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:03,099 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 15:35:03,099 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:03,099 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-10 15:35:03,099 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:03,099 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 15:35:03,100 INFO L182 omatonBuilderFactory]: Interpolants [5041#true, 5042#false, 5043#(= (select |#valid| main_~list~0.base) 1), 5044#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 5045#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 5046#(and (= main_~end~0.base main_~list~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)))), 5047#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem3.base|))), 5048#(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))), 5049#(and (= 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))) (= 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)))), 5050#(and (= 0 (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))) (= 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)))), 5051#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))), 5052#(and (= 0 (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))), 5053#(and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)), 5054#(and (= main_~end~0.offset 0) (= main_~end~0.base 0))] [2018-04-10 15:35:03,100 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 15:35:03,100 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-10 15:35:03,100 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-10 15:35:03,100 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2018-04-10 15:35:03,100 INFO L87 Difference]: Start difference. First operand 134 states and 143 transitions. Second operand 14 states. [2018-04-10 15:35:03,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:03,618 INFO L93 Difference]: Finished difference Result 186 states and 197 transitions. [2018-04-10 15:35:03,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-10 15:35:03,618 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 47 [2018-04-10 15:35:03,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:03,619 INFO L225 Difference]: With dead ends: 186 [2018-04-10 15:35:03,619 INFO L226 Difference]: Without dead ends: 186 [2018-04-10 15:35:03,619 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=630, Unknown=0, NotChecked=0, Total=756 [2018-04-10 15:35:03,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2018-04-10 15:35:03,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 138. [2018-04-10 15:35:03,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-04-10 15:35:03,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 147 transitions. [2018-04-10 15:35:03,622 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 147 transitions. Word has length 47 [2018-04-10 15:35:03,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:03,622 INFO L459 AbstractCegarLoop]: Abstraction has 138 states and 147 transitions. [2018-04-10 15:35:03,622 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-10 15:35:03,622 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 147 transitions. [2018-04-10 15:35:03,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-10 15:35:03,623 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:03,623 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] [2018-04-10 15:35:03,623 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:03,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1016136817, now seen corresponding path program 1 times [2018-04-10 15:35:03,624 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:03,634 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:03,766 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 15:35:03,766 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:03,766 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-10 15:35:03,766 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:03,766 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 15:35:03,766 INFO L182 omatonBuilderFactory]: Interpolants [5408#false, 5409#(= (select |#valid| main_~list~0.base) 1), 5410#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 5411#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 5412#(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)))), 5413#(and (= |main_#t~mem3.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~mem3.base|))), 5414#(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)), 5415#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc5.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 5416#(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))), 5417#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem6.base|))), 5418#(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)))), 5419#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 5420#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 5421#(= 1 (select |#valid| |main_#t~mem11.base|)), 5422#(= 1 (select |#valid| main_~end~0.base)), 5407#true] [2018-04-10 15:35:03,766 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 15:35:03,767 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-10 15:35:03,767 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-10 15:35:03,767 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2018-04-10 15:35:03,767 INFO L87 Difference]: Start difference. First operand 138 states and 147 transitions. Second operand 16 states. [2018-04-10 15:35:04,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:04,247 INFO L93 Difference]: Finished difference Result 212 states and 225 transitions. [2018-04-10 15:35:04,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-10 15:35:04,247 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 47 [2018-04-10 15:35:04,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:04,247 INFO L225 Difference]: With dead ends: 212 [2018-04-10 15:35:04,247 INFO L226 Difference]: Without dead ends: 212 [2018-04-10 15:35:04,248 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=209, Invalid=783, Unknown=0, NotChecked=0, Total=992 [2018-04-10 15:35:04,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2018-04-10 15:35:04,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 165. [2018-04-10 15:35:04,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-04-10 15:35:04,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 177 transitions. [2018-04-10 15:35:04,250 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 177 transitions. Word has length 47 [2018-04-10 15:35:04,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:04,251 INFO L459 AbstractCegarLoop]: Abstraction has 165 states and 177 transitions. [2018-04-10 15:35:04,251 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-10 15:35:04,251 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 177 transitions. [2018-04-10 15:35:04,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-10 15:35:04,251 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:04,252 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] [2018-04-10 15:35:04,252 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:04,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1016136816, now seen corresponding path program 1 times [2018-04-10 15:35:04,253 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:04,264 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:04,507 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 15:35:04,508 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:04,508 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-10 15:35:04,508 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:04,508 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 15:35:04,508 INFO L182 omatonBuilderFactory]: Interpolants [5832#true, 5833#false, 5834#(= (select |#valid| main_~list~0.base) 1), 5835#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~list~0.base) 1)), 5836#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (not (= main_~list~0.base |main_#t~malloc2.base|)) (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|))), 5837#(and (= 8 (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.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~end~0.base) 1)), 5838#(and (= 0 (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~mem3.base|) (= 8 (select |#length| |main_#t~mem3.base|)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem3.base|))), 5839#(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_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 5840#(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) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 5841#(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~malloc5.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| main_~end~0.base))), 5842#(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))) (= (select |#length| main_~end~0.base) 8) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 5843#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem6.base|))), 5844#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 5845#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 5846#(and (<= 8 (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))), 5847#(and (<= 8 (select |#length| |main_#t~mem11.base|)) (= 0 |main_#t~mem11.offset|)), 5848#(and (= main_~end~0.offset 0) (<= 8 (select |#length| main_~end~0.base)))] [2018-04-10 15:35:04,508 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 15:35:04,508 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-10 15:35:04,508 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-10 15:35:04,508 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2018-04-10 15:35:04,509 INFO L87 Difference]: Start difference. First operand 165 states and 177 transitions. Second operand 17 states. [2018-04-10 15:35:05,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:05,109 INFO L93 Difference]: Finished difference Result 217 states and 231 transitions. [2018-04-10 15:35:05,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-10 15:35:05,109 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 47 [2018-04-10 15:35:05,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:05,110 INFO L225 Difference]: With dead ends: 217 [2018-04-10 15:35:05,110 INFO L226 Difference]: Without dead ends: 217 [2018-04-10 15:35:05,110 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=165, Invalid=647, Unknown=0, NotChecked=0, Total=812 [2018-04-10 15:35:05,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-04-10 15:35:05,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 166. [2018-04-10 15:35:05,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2018-04-10 15:35:05,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 178 transitions. [2018-04-10 15:35:05,113 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 178 transitions. Word has length 47 [2018-04-10 15:35:05,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:05,113 INFO L459 AbstractCegarLoop]: Abstraction has 166 states and 178 transitions. [2018-04-10 15:35:05,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-10 15:35:05,113 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 178 transitions. [2018-04-10 15:35:05,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-04-10 15:35:05,114 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:05,114 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] [2018-04-10 15:35:05,114 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:05,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1864927149, now seen corresponding path program 1 times [2018-04-10 15:35:05,115 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:05,121 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:05,291 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 15:35:05,291 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:05,291 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-10 15:35:05,291 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:05,291 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 15:35:05,292 INFO L182 omatonBuilderFactory]: Interpolants [6256#true, 6257#false, 6258#(= (select |#valid| main_~list~0.base) 1), 6259#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 6260#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 6261#(and (= main_~end~0.base main_~list~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)))), 6262#(and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem3.base|))), 6263#(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))), 6264#(and (= 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))) (= 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)))), 6265#(and (= 0 (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))) (= 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)))), 6266#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))), 6267#(and (= 0 (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))), 6268#(and (= 0 |main_#t~mem9.offset|) (= 0 |main_#t~mem9.base|)), 6269#(and (= main_~end~0.offset 0) (= main_~end~0.base 0))] [2018-04-10 15:35:05,292 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 15:35:05,292 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-10 15:35:05,292 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-10 15:35:05,292 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2018-04-10 15:35:05,292 INFO L87 Difference]: Start difference. First operand 166 states and 178 transitions. Second operand 14 states. [2018-04-10 15:35:05,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:05,872 INFO L93 Difference]: Finished difference Result 192 states and 203 transitions. [2018-04-10 15:35:05,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-10 15:35:05,872 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 49 [2018-04-10 15:35:05,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:05,873 INFO L225 Difference]: With dead ends: 192 [2018-04-10 15:35:05,873 INFO L226 Difference]: Without dead ends: 188 [2018-04-10 15:35:05,874 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=630, Unknown=0, NotChecked=0, Total=756 [2018-04-10 15:35:05,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2018-04-10 15:35:05,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 166. [2018-04-10 15:35:05,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2018-04-10 15:35:05,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 177 transitions. [2018-04-10 15:35:05,877 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 177 transitions. Word has length 49 [2018-04-10 15:35:05,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:05,877 INFO L459 AbstractCegarLoop]: Abstraction has 166 states and 177 transitions. [2018-04-10 15:35:05,877 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-10 15:35:05,877 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 177 transitions. [2018-04-10 15:35:05,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-04-10 15:35:05,878 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:05,878 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-04-10 15:35:05,878 INFO L408 AbstractCegarLoop]: === Iteration 21 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:05,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1848866423, now seen corresponding path program 3 times [2018-04-10 15:35:05,879 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:05,889 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:06,043 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:06,044 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:06,044 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-10 15:35:06,044 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:06,044 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 15:35:06,044 INFO L182 omatonBuilderFactory]: Interpolants [6656#true, 6657#false, 6658#(= (select |#valid| main_~list~0.base) 1), 6659#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 6660#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 6661#(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)))), 6662#(and (= |main_#t~mem3.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~mem3.base|))), 6663#(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)), 6664#(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~malloc2.base|))), 6665#(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| main_~list~0.base) main_~list~0.offset)))), 6666#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem3.base|))), 6667#(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)))), 6668#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 6669#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 6670#(= 1 (select |#valid| |main_#t~mem11.base|)), 6671#(= 1 (select |#valid| main_~end~0.base))] [2018-04-10 15:35:06,044 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:06,044 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-10 15:35:06,045 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-10 15:35:06,045 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2018-04-10 15:35:06,045 INFO L87 Difference]: Start difference. First operand 166 states and 177 transitions. Second operand 16 states. [2018-04-10 15:35:06,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:06,538 INFO L93 Difference]: Finished difference Result 244 states and 260 transitions. [2018-04-10 15:35:06,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-10 15:35:06,538 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 52 [2018-04-10 15:35:06,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:06,539 INFO L225 Difference]: With dead ends: 244 [2018-04-10 15:35:06,539 INFO L226 Difference]: Without dead ends: 244 [2018-04-10 15:35:06,539 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=209, Invalid=783, Unknown=0, NotChecked=0, Total=992 [2018-04-10 15:35:06,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-04-10 15:35:06,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 194. [2018-04-10 15:35:06,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2018-04-10 15:35:06,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 209 transitions. [2018-04-10 15:35:06,541 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 209 transitions. Word has length 52 [2018-04-10 15:35:06,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:06,541 INFO L459 AbstractCegarLoop]: Abstraction has 194 states and 209 transitions. [2018-04-10 15:35:06,541 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-10 15:35:06,541 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 209 transitions. [2018-04-10 15:35:06,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-04-10 15:35:06,542 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:06,542 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-04-10 15:35:06,542 INFO L408 AbstractCegarLoop]: === Iteration 22 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:06,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1848866424, now seen corresponding path program 2 times [2018-04-10 15:35:06,543 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:06,553 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:06,764 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:06,764 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:06,764 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-10 15:35:06,764 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:06,765 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 15:35:06,765 INFO L182 omatonBuilderFactory]: Interpolants [7142#true, 7143#false, 7144#(= (select |#valid| main_~list~0.base) 1), 7145#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 7146#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|))), 7147#(and (= 8 (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)))), 7148#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| |main_#t~mem3.base|)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem3.base|))), 7149#(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_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 7150#(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~malloc2.base|)) (= 8 (select |#length| main_~end~0.base))), 7151#(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)) (= 8 (select |#length| main_~end~0.base))), 7152#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem3.base|))), 7153#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 7154#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 7155#(and (= 8 (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))), 7156#(and (= 0 |main_#t~mem11.offset|) (= 8 (select |#length| |main_#t~mem11.base|))), 7157#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base)))] [2018-04-10 15:35:06,765 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:06,765 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-10 15:35:06,765 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-10 15:35:06,765 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2018-04-10 15:35:06,765 INFO L87 Difference]: Start difference. First operand 194 states and 209 transitions. Second operand 16 states. [2018-04-10 15:35:07,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:07,344 INFO L93 Difference]: Finished difference Result 249 states and 266 transitions. [2018-04-10 15:35:07,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-10 15:35:07,344 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 52 [2018-04-10 15:35:07,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:07,345 INFO L225 Difference]: With dead ends: 249 [2018-04-10 15:35:07,345 INFO L226 Difference]: Without dead ends: 249 [2018-04-10 15:35:07,345 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=156, Invalid=600, Unknown=0, NotChecked=0, Total=756 [2018-04-10 15:35:07,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-04-10 15:35:07,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 174. [2018-04-10 15:35:07,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2018-04-10 15:35:07,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 186 transitions. [2018-04-10 15:35:07,347 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 186 transitions. Word has length 52 [2018-04-10 15:35:07,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:07,347 INFO L459 AbstractCegarLoop]: Abstraction has 174 states and 186 transitions. [2018-04-10 15:35:07,347 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-10 15:35:07,347 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 186 transitions. [2018-04-10 15:35:07,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-04-10 15:35:07,348 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:07,348 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] [2018-04-10 15:35:07,348 INFO L408 AbstractCegarLoop]: === Iteration 23 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:07,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1082749214, now seen corresponding path program 1 times [2018-04-10 15:35:07,349 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:07,355 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:07,436 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:35:07,437 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:07,437 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-04-10 15:35:07,437 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:07,437 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 15:35:07,437 INFO L182 omatonBuilderFactory]: Interpolants [7605#true, 7606#false, 7607#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 7608#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem11.base|) (= |main_#t~mem11.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 7609#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 7610#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 7611#(and (= 0 |main_#t~mem15.offset|) (= 0 |main_#t~mem15.base|)), 7612#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset)), 7613#(and (= main_~list~0.offset 0) (= 0 main_~list~0.base))] [2018-04-10 15:35:07,438 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-10 15:35:07,438 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-10 15:35:07,438 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-10 15:35:07,438 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-04-10 15:35:07,438 INFO L87 Difference]: Start difference. First operand 174 states and 186 transitions. Second operand 9 states. [2018-04-10 15:35:07,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:07,644 INFO L93 Difference]: Finished difference Result 215 states and 230 transitions. [2018-04-10 15:35:07,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-10 15:35:07,644 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2018-04-10 15:35:07,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:07,645 INFO L225 Difference]: With dead ends: 215 [2018-04-10 15:35:07,645 INFO L226 Difference]: Without dead ends: 215 [2018-04-10 15:35:07,645 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2018-04-10 15:35:07,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-04-10 15:35:07,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 190. [2018-04-10 15:35:07,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2018-04-10 15:35:07,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 203 transitions. [2018-04-10 15:35:07,647 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 203 transitions. Word has length 53 [2018-04-10 15:35:07,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:07,647 INFO L459 AbstractCegarLoop]: Abstraction has 190 states and 203 transitions. [2018-04-10 15:35:07,647 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-10 15:35:07,647 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 203 transitions. [2018-04-10 15:35:07,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-04-10 15:35:07,648 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:07,648 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] [2018-04-10 15:35:07,648 INFO L408 AbstractCegarLoop]: === Iteration 24 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:07,648 INFO L82 PathProgramCache]: Analyzing trace with hash 653947253, now seen corresponding path program 2 times [2018-04-10 15:35:07,649 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:07,659 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:07,920 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 15:35:07,921 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:07,921 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-10 15:35:07,921 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:07,921 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 15:35:07,921 INFO L182 omatonBuilderFactory]: Interpolants [8032#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~list~0.base) 1)), 8033#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (not (= main_~list~0.base |main_#t~malloc2.base|))), 8034#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1)), 8035#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= |main_#t~mem3.offset| (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~mem3.base|))), 8036#(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))), 8037#(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))), 8038#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc5.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 8039#(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))), 8040#(and (= |main_#t~mem6.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~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|))), 8041#(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))) (= 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)))), 8042#(= 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)))), 8043#(= 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)))), 8044#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))), 8045#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 8046#(= 1 (select |#valid| |main_#t~mem11.base|)), 8047#(= 1 (select |#valid| main_~end~0.base)), 8029#true, 8030#false, 8031#(= (select |#valid| main_~list~0.base) 1)] [2018-04-10 15:35:07,921 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 15:35:07,921 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-10 15:35:07,921 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-10 15:35:07,922 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2018-04-10 15:35:07,922 INFO L87 Difference]: Start difference. First operand 190 states and 203 transitions. Second operand 19 states. [2018-04-10 15:35:08,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:08,615 INFO L93 Difference]: Finished difference Result 275 states and 294 transitions. [2018-04-10 15:35:08,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-10 15:35:08,615 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 53 [2018-04-10 15:35:08,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:08,616 INFO L225 Difference]: With dead ends: 275 [2018-04-10 15:35:08,616 INFO L226 Difference]: Without dead ends: 275 [2018-04-10 15:35:08,617 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=202, Invalid=1130, Unknown=0, NotChecked=0, Total=1332 [2018-04-10 15:35:08,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2018-04-10 15:35:08,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 216. [2018-04-10 15:35:08,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-04-10 15:35:08,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 234 transitions. [2018-04-10 15:35:08,619 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 234 transitions. Word has length 53 [2018-04-10 15:35:08,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:08,619 INFO L459 AbstractCegarLoop]: Abstraction has 216 states and 234 transitions. [2018-04-10 15:35:08,619 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-10 15:35:08,619 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 234 transitions. [2018-04-10 15:35:08,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-04-10 15:35:08,619 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:08,620 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] [2018-04-10 15:35:08,620 INFO L408 AbstractCegarLoop]: === Iteration 25 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:08,620 INFO L82 PathProgramCache]: Analyzing trace with hash 653947254, now seen corresponding path program 2 times [2018-04-10 15:35:08,620 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:08,629 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:08,890 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 15:35:08,890 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:08,890 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-10 15:35:08,891 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:08,891 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 15:35:08,891 INFO L182 omatonBuilderFactory]: Interpolants [8576#false, 8577#(= (select |#valid| main_~list~0.base) 1), 8578#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 8579#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 8580#(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)))), 8581#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= |main_#t~mem3.offset| (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~mem3.base|))), 8582#(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))), 8583#(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))), 8584#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc5.base|)) (= 8 (select |#length| |main_#t~malloc5.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 8585#(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))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 8586#(and (= 8 (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| (select (select |#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~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|))), 8587#(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))) (= 8 (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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 8588#(and (= 8 (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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 8589#(and (= 8 (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)))) (= 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)))), 8590#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))), 8591#(and (= 8 (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))), 8592#(and (= 0 |main_#t~mem11.offset|) (= 8 (select |#length| |main_#t~mem11.base|))), 8593#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base))), 8575#true] [2018-04-10 15:35:08,891 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 15:35:08,891 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-10 15:35:08,892 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-10 15:35:08,892 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2018-04-10 15:35:08,892 INFO L87 Difference]: Start difference. First operand 216 states and 234 transitions. Second operand 19 states. [2018-04-10 15:35:09,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:09,698 INFO L93 Difference]: Finished difference Result 275 states and 295 transitions. [2018-04-10 15:35:09,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-10 15:35:09,698 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 53 [2018-04-10 15:35:09,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:09,699 INFO L225 Difference]: With dead ends: 275 [2018-04-10 15:35:09,699 INFO L226 Difference]: Without dead ends: 275 [2018-04-10 15:35:09,699 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=144, Invalid=848, Unknown=0, NotChecked=0, Total=992 [2018-04-10 15:35:09,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2018-04-10 15:35:09,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 215. [2018-04-10 15:35:09,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2018-04-10 15:35:09,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 232 transitions. [2018-04-10 15:35:09,701 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 232 transitions. Word has length 53 [2018-04-10 15:35:09,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:09,701 INFO L459 AbstractCegarLoop]: Abstraction has 215 states and 232 transitions. [2018-04-10 15:35:09,701 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-10 15:35:09,701 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 232 transitions. [2018-04-10 15:35:09,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-04-10 15:35:09,702 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:09,702 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] [2018-04-10 15:35:09,702 INFO L408 AbstractCegarLoop]: === Iteration 26 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:09,702 INFO L82 PathProgramCache]: Analyzing trace with hash 794512241, now seen corresponding path program 1 times [2018-04-10 15:35:09,703 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:09,710 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:09,801 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 15:35:09,802 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:09,802 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-10 15:35:09,802 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:09,802 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 15:35:09,802 INFO L182 omatonBuilderFactory]: Interpolants [9120#(not (= |main_#t~mem11.base| 0)), 9121#(not (= main_~end~0.base 0)), 9110#true, 9111#false, 9112#(= (select |#valid| main_~list~0.base) 1), 9113#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 9114#(and (not (= |main_#t~malloc2.base| 0)) (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 9115#(and (= main_~end~0.base main_~list~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 9116#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base |main_#t~mem3.base|))), 9117#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0))), 9118#(not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)), 9119#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0))] [2018-04-10 15:35:09,802 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 15:35:09,802 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-10 15:35:09,802 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-10 15:35:09,803 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-04-10 15:35:09,803 INFO L87 Difference]: Start difference. First operand 215 states and 232 transitions. Second operand 12 states. [2018-04-10 15:35:10,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:10,143 INFO L93 Difference]: Finished difference Result 225 states and 241 transitions. [2018-04-10 15:35:10,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-10 15:35:10,143 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 54 [2018-04-10 15:35:10,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:10,144 INFO L225 Difference]: With dead ends: 225 [2018-04-10 15:35:10,144 INFO L226 Difference]: Without dead ends: 225 [2018-04-10 15:35:10,144 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2018-04-10 15:35:10,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-04-10 15:35:10,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 215. [2018-04-10 15:35:10,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2018-04-10 15:35:10,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 231 transitions. [2018-04-10 15:35:10,147 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 231 transitions. Word has length 54 [2018-04-10 15:35:10,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:10,148 INFO L459 AbstractCegarLoop]: Abstraction has 215 states and 231 transitions. [2018-04-10 15:35:10,148 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-10 15:35:10,148 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 231 transitions. [2018-04-10 15:35:10,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-10 15:35:10,148 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:10,149 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] [2018-04-10 15:35:10,149 INFO L408 AbstractCegarLoop]: === Iteration 27 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:10,149 INFO L82 PathProgramCache]: Analyzing trace with hash -548369126, now seen corresponding path program 1 times [2018-04-10 15:35:10,150 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:10,160 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:10,471 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 15:35:10,472 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:10,472 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-10 15:35:10,472 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:10,472 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 15:35:10,472 INFO L182 omatonBuilderFactory]: Interpolants [9578#true, 9579#false, 9580#(= (select |#valid| main_~list~0.base) 1), 9581#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 9582#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 9583#(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)))), 9584#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= |main_#t~mem3.offset| (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~mem3.base|))), 9585#(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))), 9586#(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))), 9587#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc5.base|)) (= 8 (select |#length| |main_#t~malloc5.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 9588#(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))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 9589#(and (= 8 (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| (select (select |#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~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|))), 9590#(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))) (= 8 (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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 9591#(and (= 8 (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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 9592#(and (= 8 (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)))) (= 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)))), 9593#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))), 9594#(and (= 8 (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))), 9595#(and (= 0 |main_#t~mem9.offset|) (= 8 (select |#length| |main_#t~mem9.base|))), 9596#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base)))] [2018-04-10 15:35:10,472 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 15:35:10,472 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-10 15:35:10,473 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-10 15:35:10,473 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2018-04-10 15:35:10,473 INFO L87 Difference]: Start difference. First operand 215 states and 231 transitions. Second operand 19 states. [2018-04-10 15:35:11,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:11,195 INFO L93 Difference]: Finished difference Result 277 states and 296 transitions. [2018-04-10 15:35:11,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-10 15:35:11,195 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 55 [2018-04-10 15:35:11,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:11,196 INFO L225 Difference]: With dead ends: 277 [2018-04-10 15:35:11,196 INFO L226 Difference]: Without dead ends: 277 [2018-04-10 15:35:11,196 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=144, Invalid=848, Unknown=0, NotChecked=0, Total=992 [2018-04-10 15:35:11,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2018-04-10 15:35:11,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 224. [2018-04-10 15:35:11,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-04-10 15:35:11,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 241 transitions. [2018-04-10 15:35:11,200 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 241 transitions. Word has length 55 [2018-04-10 15:35:11,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:11,200 INFO L459 AbstractCegarLoop]: Abstraction has 224 states and 241 transitions. [2018-04-10 15:35:11,200 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-10 15:35:11,200 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 241 transitions. [2018-04-10 15:35:11,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-10 15:35:11,200 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:11,201 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] [2018-04-10 15:35:11,201 INFO L408 AbstractCegarLoop]: === Iteration 28 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:11,201 INFO L82 PathProgramCache]: Analyzing trace with hash -548369127, now seen corresponding path program 1 times [2018-04-10 15:35:11,202 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:11,211 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:11,450 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 15:35:11,450 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:11,450 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-10 15:35:11,450 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:11,450 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 15:35:11,450 INFO L182 omatonBuilderFactory]: Interpolants [10124#true, 10125#false, 10126#(= (select |#valid| main_~list~0.base) 1), 10127#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~list~0.base) 1)), 10128#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (not (= main_~list~0.base |main_#t~malloc2.base|))), 10129#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1)), 10130#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= |main_#t~mem3.offset| (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~mem3.base|))), 10131#(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))), 10132#(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))), 10133#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc5.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 10134#(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))), 10135#(and (= |main_#t~mem6.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~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|))), 10136#(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))) (= 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)))), 10137#(= 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)))), 10138#(= 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)))), 10139#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))), 10140#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 10141#(= 1 (select |#valid| |main_#t~mem9.base|)), 10142#(= 1 (select |#valid| main_~end~0.base))] [2018-04-10 15:35:11,450 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 15:35:11,451 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-10 15:35:11,451 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-10 15:35:11,451 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2018-04-10 15:35:11,451 INFO L87 Difference]: Start difference. First operand 224 states and 241 transitions. Second operand 19 states. [2018-04-10 15:35:12,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:12,082 INFO L93 Difference]: Finished difference Result 272 states and 291 transitions. [2018-04-10 15:35:12,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-10 15:35:12,082 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 55 [2018-04-10 15:35:12,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:12,083 INFO L225 Difference]: With dead ends: 272 [2018-04-10 15:35:12,083 INFO L226 Difference]: Without dead ends: 272 [2018-04-10 15:35:12,083 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=192, Invalid=1068, Unknown=0, NotChecked=0, Total=1260 [2018-04-10 15:35:12,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2018-04-10 15:35:12,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 224. [2018-04-10 15:35:12,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-04-10 15:35:12,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 240 transitions. [2018-04-10 15:35:12,085 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 240 transitions. Word has length 55 [2018-04-10 15:35:12,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:12,085 INFO L459 AbstractCegarLoop]: Abstraction has 224 states and 240 transitions. [2018-04-10 15:35:12,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-10 15:35:12,085 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 240 transitions. [2018-04-10 15:35:12,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-04-10 15:35:12,086 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:12,086 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2018-04-10 15:35:12,086 INFO L408 AbstractCegarLoop]: === Iteration 29 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:12,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1470176861, now seen corresponding path program 4 times [2018-04-10 15:35:12,087 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:12,095 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:12,315 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 15:35:12,316 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:12,316 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-10 15:35:12,316 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:12,316 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 15:35:12,316 INFO L182 omatonBuilderFactory]: Interpolants [10688#(= 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)))), 10689#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))), 10690#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 10691#(= 1 (select |#valid| |main_#t~mem11.base|)), 10692#(= 1 (select |#valid| main_~end~0.base)), 10673#true, 10674#false, 10675#(= (select |#valid| main_~list~0.base) 1), 10676#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 10677#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 10678#(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)))), 10679#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= |main_#t~mem3.offset| (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~mem3.base|))), 10680#(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))), 10681#(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))), 10682#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.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~malloc2.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 10683#(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))), 10684#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= |main_#t~mem3.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~mem3.base|))), 10685#(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))) (= 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)))), 10686#(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))) (= 1 (select |#valid| main_~end~0.base))), 10687#(= 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))))] [2018-04-10 15:35:12,316 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 15:35:12,316 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-10 15:35:12,316 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-10 15:35:12,317 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2018-04-10 15:35:12,317 INFO L87 Difference]: Start difference. First operand 224 states and 240 transitions. Second operand 20 states. [2018-04-10 15:35:13,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:13,115 INFO L93 Difference]: Finished difference Result 290 states and 310 transitions. [2018-04-10 15:35:13,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-10 15:35:13,115 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 58 [2018-04-10 15:35:13,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:13,116 INFO L225 Difference]: With dead ends: 290 [2018-04-10 15:35:13,116 INFO L226 Difference]: Without dead ends: 290 [2018-04-10 15:35:13,117 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=207, Invalid=1199, Unknown=0, NotChecked=0, Total=1406 [2018-04-10 15:35:13,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2018-04-10 15:35:13,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 231. [2018-04-10 15:35:13,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-04-10 15:35:13,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 250 transitions. [2018-04-10 15:35:13,120 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 250 transitions. Word has length 58 [2018-04-10 15:35:13,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:13,120 INFO L459 AbstractCegarLoop]: Abstraction has 231 states and 250 transitions. [2018-04-10 15:35:13,121 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-10 15:35:13,121 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 250 transitions. [2018-04-10 15:35:13,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-04-10 15:35:13,121 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:13,121 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2018-04-10 15:35:13,121 INFO L408 AbstractCegarLoop]: === Iteration 30 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:13,122 INFO L82 PathProgramCache]: Analyzing trace with hash 1470176862, now seen corresponding path program 3 times [2018-04-10 15:35:13,122 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:13,133 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:13,404 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 15:35:13,404 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:13,404 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-10 15:35:13,404 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:13,404 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 15:35:13,404 INFO L182 omatonBuilderFactory]: Interpolants [11264#(and (= 8 (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)))) (= 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)))), 11265#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))), 11266#(and (= 8 (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))), 11267#(and (= 0 |main_#t~mem11.offset|) (= 8 (select |#length| |main_#t~mem11.base|))), 11268#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base))), 11250#true, 11251#false, 11252#(= (select |#valid| main_~list~0.base) 1), 11253#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 11254#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 11255#(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)))), 11256#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= |main_#t~mem3.offset| (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~mem3.base|))), 11257#(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))), 11258#(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))), 11259#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.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~malloc2.base|)) (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 11260#(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))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 11261#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= 8 (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| (select (select |#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~mem3.base|))), 11262#(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))) (= 8 (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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 11263#(and (= 8 (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| (select (select |#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 15:35:13,405 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 15:35:13,405 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-10 15:35:13,405 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-10 15:35:13,405 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2018-04-10 15:35:13,405 INFO L87 Difference]: Start difference. First operand 231 states and 250 transitions. Second operand 19 states. [2018-04-10 15:35:14,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:14,192 INFO L93 Difference]: Finished difference Result 296 states and 317 transitions. [2018-04-10 15:35:14,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-10 15:35:14,192 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 58 [2018-04-10 15:35:14,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:14,193 INFO L225 Difference]: With dead ends: 296 [2018-04-10 15:35:14,193 INFO L226 Difference]: Without dead ends: 296 [2018-04-10 15:35:14,193 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=144, Invalid=848, Unknown=0, NotChecked=0, Total=992 [2018-04-10 15:35:14,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2018-04-10 15:35:14,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 226. [2018-04-10 15:35:14,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-04-10 15:35:14,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 243 transitions. [2018-04-10 15:35:14,195 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 243 transitions. Word has length 58 [2018-04-10 15:35:14,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:14,196 INFO L459 AbstractCegarLoop]: Abstraction has 226 states and 243 transitions. [2018-04-10 15:35:14,196 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-10 15:35:14,196 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 243 transitions. [2018-04-10 15:35:14,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-04-10 15:35:14,196 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:14,196 INFO L355 BasicCegarLoop]: trace histogram [3, 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] [2018-04-10 15:35:14,196 INFO L408 AbstractCegarLoop]: === Iteration 31 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:14,196 INFO L82 PathProgramCache]: Analyzing trace with hash -913620226, now seen corresponding path program 1 times [2018-04-10 15:35:14,197 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:14,205 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:14,508 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:14,508 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:14,508 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-10 15:35:14,509 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:14,509 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 15:35:14,509 INFO L182 omatonBuilderFactory]: Interpolants [11817#true, 11818#false, 11819#(= 0 |main_#t~malloc0.offset|), 11820#(= 0 main_~list~0.offset), 11821#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 11822#(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)), 11823#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset)), 11824#(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)))), 11825#(and (= |main_#t~mem3.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) (not (= main_~list~0.base |main_#t~mem3.base|))), 11826#(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)), 11827#(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~malloc2.base|)) (= 0 main_~list~0.offset)), 11828#(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))), 11829#(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~mem3.base|))), 11830#(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)))), 11831#(and (not (= main_~end~0.base main_~list~0.base)) (= |main_#t~malloc5.offset| main_~list~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 11832#(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))) (= (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)))), 11833#(and (or (= |main_#t~mem6.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~mem6.offset| main_~list~0.offset)), 11834#(or (and (not (= main_~end~0.base main_~list~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))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 11835#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 11836#(or (and (= 0 (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))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 11837#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (= 1 (select |#valid| |main_#t~mem11.base|))), 11838#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 1 (select |#valid| main_~end~0.base))), 11839#(= 1 (select |#valid| main_~end~0.base))] [2018-04-10 15:35:14,509 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:14,509 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-10 15:35:14,509 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-10 15:35:14,509 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=432, Unknown=0, NotChecked=0, Total=506 [2018-04-10 15:35:14,510 INFO L87 Difference]: Start difference. First operand 226 states and 243 transitions. Second operand 23 states. [2018-04-10 15:35:15,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:15,874 INFO L93 Difference]: Finished difference Result 331 states and 355 transitions. [2018-04-10 15:35:15,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-04-10 15:35:15,874 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 58 [2018-04-10 15:35:15,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:15,875 INFO L225 Difference]: With dead ends: 331 [2018-04-10 15:35:15,875 INFO L226 Difference]: Without dead ends: 331 [2018-04-10 15:35:15,876 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 958 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=860, Invalid=2800, Unknown=0, NotChecked=0, Total=3660 [2018-04-10 15:35:15,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2018-04-10 15:35:15,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 261. [2018-04-10 15:35:15,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-04-10 15:35:15,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 282 transitions. [2018-04-10 15:35:15,878 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 282 transitions. Word has length 58 [2018-04-10 15:35:15,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:15,878 INFO L459 AbstractCegarLoop]: Abstraction has 261 states and 282 transitions. [2018-04-10 15:35:15,878 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-10 15:35:15,878 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 282 transitions. [2018-04-10 15:35:15,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-04-10 15:35:15,878 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:15,878 INFO L355 BasicCegarLoop]: trace histogram [3, 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] [2018-04-10 15:35:15,878 INFO L408 AbstractCegarLoop]: === Iteration 32 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:15,879 INFO L82 PathProgramCache]: Analyzing trace with hash -913620225, now seen corresponding path program 1 times [2018-04-10 15:35:15,879 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:15,896 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:16,261 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:16,262 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:16,262 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-10 15:35:16,262 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:16,262 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 15:35:16,262 INFO L182 omatonBuilderFactory]: Interpolants [12512#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 12513#(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)), 12514#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|))), 12515#(and (= 8 (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)))), 12516#(and (= 0 (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~mem3.base|) (= 8 (select |#length| |main_#t~mem3.base|)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem3.base|))), 12517#(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_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 12518#(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~malloc2.base|)) (= 0 main_~list~0.offset) (= 8 (select |#length| main_~end~0.base))), 12519#(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))) (= (select |#length| main_~end~0.base) 8) (= 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)), 12520#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (<= 8 (select |#length| (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~mem3.base|))), 12521#(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) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset)), 12522#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~malloc5.offset| main_~list~0.offset)), 12523#(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) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 12524#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem6.offset| main_~list~0.offset) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 12525#(and (or (<= 8 (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))) (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)))), 12526#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 12527#(and (or (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (<= 8 (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))), 12528#(and (= 0 |main_#t~mem11.offset|) (or (<= 8 (select |#length| |main_#t~mem11.base|)) (= 0 |main_#t~mem11.base|))), 12529#(and (= main_~end~0.offset 0) (or (= main_~end~0.base 0) (<= 8 (select |#length| main_~end~0.base)))), 12530#(and (= main_~end~0.offset 0) (<= 8 (select |#length| main_~end~0.base))), 12508#true, 12509#false, 12510#(= 0 |main_#t~malloc0.offset|), 12511#(= 0 main_~list~0.offset)] [2018-04-10 15:35:16,262 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:16,263 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-10 15:35:16,263 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-10 15:35:16,263 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=428, Unknown=0, NotChecked=0, Total=506 [2018-04-10 15:35:16,263 INFO L87 Difference]: Start difference. First operand 261 states and 282 transitions. Second operand 23 states. [2018-04-10 15:35:17,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:17,955 INFO L93 Difference]: Finished difference Result 347 states and 372 transitions. [2018-04-10 15:35:17,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-04-10 15:35:17,955 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 58 [2018-04-10 15:35:17,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:17,956 INFO L225 Difference]: With dead ends: 347 [2018-04-10 15:35:17,956 INFO L226 Difference]: Without dead ends: 347 [2018-04-10 15:35:17,957 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1120 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=904, Invalid=3256, Unknown=0, NotChecked=0, Total=4160 [2018-04-10 15:35:17,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2018-04-10 15:35:17,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 260. [2018-04-10 15:35:17,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2018-04-10 15:35:17,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 280 transitions. [2018-04-10 15:35:17,959 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 280 transitions. Word has length 58 [2018-04-10 15:35:17,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:17,960 INFO L459 AbstractCegarLoop]: Abstraction has 260 states and 280 transitions. [2018-04-10 15:35:17,960 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-10 15:35:17,960 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 280 transitions. [2018-04-10 15:35:17,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-04-10 15:35:17,960 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:17,961 INFO L355 BasicCegarLoop]: trace histogram [3, 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] [2018-04-10 15:35:17,961 INFO L408 AbstractCegarLoop]: === Iteration 33 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:17,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1787582544, now seen corresponding path program 2 times [2018-04-10 15:35:17,962 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:17,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:17,972 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:18,276 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:18,276 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:18,277 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-10 15:35:18,277 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:18,277 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 15:35:18,277 INFO L182 omatonBuilderFactory]: Interpolants [13222#true, 13223#false, 13224#(= 0 |main_#t~malloc0.offset|), 13225#(= 0 main_~list~0.offset), 13226#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 13227#(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)), 13228#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset)), 13229#(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)))), 13230#(and (= |main_#t~mem3.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) (not (= main_~list~0.base |main_#t~mem3.base|))), 13231#(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)), 13232#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc5.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset)), 13233#(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))), 13234#(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~mem6.base|))), 13235#(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)))), 13236#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base main_~list~0.base)) (= |main_#t~malloc2.offset| main_~list~0.offset)), 13237#(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))) (= (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)))), 13238#(and (or (= |main_#t~mem3.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~mem3.offset| main_~list~0.offset)), 13239#(or (and (not (= main_~end~0.base main_~list~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))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 13240#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 13241#(or (and (= 0 (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))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 13242#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (= 1 (select |#valid| |main_#t~mem11.base|))), 13243#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 1 (select |#valid| main_~end~0.base))), 13244#(= 1 (select |#valid| main_~end~0.base))] [2018-04-10 15:35:18,277 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:18,277 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-10 15:35:18,277 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-10 15:35:18,277 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=432, Unknown=0, NotChecked=0, Total=506 [2018-04-10 15:35:18,278 INFO L87 Difference]: Start difference. First operand 260 states and 280 transitions. Second operand 23 states. [2018-04-10 15:35:19,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:19,550 INFO L93 Difference]: Finished difference Result 358 states and 385 transitions. [2018-04-10 15:35:19,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-04-10 15:35:19,550 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 58 [2018-04-10 15:35:19,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:19,551 INFO L225 Difference]: With dead ends: 358 [2018-04-10 15:35:19,551 INFO L226 Difference]: Without dead ends: 358 [2018-04-10 15:35:19,552 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 929 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=823, Invalid=2717, Unknown=0, NotChecked=0, Total=3540 [2018-04-10 15:35:19,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-04-10 15:35:19,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 288. [2018-04-10 15:35:19,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2018-04-10 15:35:19,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 312 transitions. [2018-04-10 15:35:19,556 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 312 transitions. Word has length 58 [2018-04-10 15:35:19,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:19,556 INFO L459 AbstractCegarLoop]: Abstraction has 288 states and 312 transitions. [2018-04-10 15:35:19,557 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-10 15:35:19,557 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 312 transitions. [2018-04-10 15:35:19,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-04-10 15:35:19,557 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:19,558 INFO L355 BasicCegarLoop]: trace histogram [3, 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] [2018-04-10 15:35:19,558 INFO L408 AbstractCegarLoop]: === Iteration 34 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:19,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1787582545, now seen corresponding path program 2 times [2018-04-10 15:35:19,559 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:19,571 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:19,970 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:19,970 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:19,970 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-10 15:35:19,971 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:19,971 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 15:35:19,971 INFO L182 omatonBuilderFactory]: Interpolants [13984#(or (and (= 8 (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))) (and (= 0 (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)))), 13985#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (and (= 0 |main_#t~mem11.offset|) (= 8 (select |#length| |main_#t~mem11.base|)))), 13986#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base)))), 13987#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base))), 13965#true, 13966#false, 13967#(= 0 |main_#t~malloc0.offset|), 13968#(= 0 main_~list~0.offset), 13969#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 13970#(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_~list~0.base) 1)), 13971#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (not (= main_~list~0.base |main_#t~malloc2.base|)) (= 0 main_~list~0.offset) (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|))), 13972#(and (= 8 (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.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= (select |#valid| main_~list~0.base) 1)), 13973#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem3.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) (not (= main_~list~0.base |main_#t~mem3.base|))), 13974#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= 8 (select |#length| (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)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 13975#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~malloc5.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset)), 13976#(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) (= 8 (select |#length| main_~end~0.base))), 13977#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (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~mem6.base|))), 13978#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset)), 13979#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~malloc2.offset| main_~list~0.offset)), 13980#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (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)), 13981#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem3.offset| main_~list~0.offset)), 13982#(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)) (= 8 (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))), 13983#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))))] [2018-04-10 15:35:19,971 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:19,971 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-10 15:35:19,971 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-10 15:35:19,971 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=426, Unknown=0, NotChecked=0, Total=506 [2018-04-10 15:35:19,971 INFO L87 Difference]: Start difference. First operand 288 states and 312 transitions. Second operand 23 states. [2018-04-10 15:35:21,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:21,338 INFO L93 Difference]: Finished difference Result 373 states and 401 transitions. [2018-04-10 15:35:21,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-04-10 15:35:21,338 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 58 [2018-04-10 15:35:21,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:21,339 INFO L225 Difference]: With dead ends: 373 [2018-04-10 15:35:21,339 INFO L226 Difference]: Without dead ends: 373 [2018-04-10 15:35:21,339 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 910 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=767, Invalid=2655, Unknown=0, NotChecked=0, Total=3422 [2018-04-10 15:35:21,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2018-04-10 15:35:21,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 260. [2018-04-10 15:35:21,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2018-04-10 15:35:21,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 280 transitions. [2018-04-10 15:35:21,342 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 280 transitions. Word has length 58 [2018-04-10 15:35:21,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:21,342 INFO L459 AbstractCegarLoop]: Abstraction has 260 states and 280 transitions. [2018-04-10 15:35:21,342 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-10 15:35:21,342 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 280 transitions. [2018-04-10 15:35:21,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-04-10 15:35:21,342 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:21,342 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] [2018-04-10 15:35:21,342 INFO L408 AbstractCegarLoop]: === Iteration 35 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:21,343 INFO L82 PathProgramCache]: Analyzing trace with hash -33641208, now seen corresponding path program 2 times [2018-04-10 15:35:21,343 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:21,350 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:21,493 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 15:35:21,494 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:21,494 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-10 15:35:21,494 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:21,494 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 15:35:21,494 INFO L182 omatonBuilderFactory]: Interpolants [14693#true, 14694#false, 14695#(= 1 (select |#valid| main_~list~0.base)), 14696#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base))), 14697#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~list~0.base |main_#t~malloc2.base|))), 14698#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.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_~list~0.offset)))), 14699#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem3.base|))), 14700#(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)))), 14701#(not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 14702#(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)), 14703#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem11.base|) (not (= main_~list~0.base |main_#t~mem11.base|))), 14704#(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))), 14705#(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))), 14706#(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)))), 14707#(and (= 1 (select |#valid| |main_#t~mem15.base|)) (not (= main_~list~0.base |main_#t~mem15.base|))), 14708#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~end~0.base))), 14709#(= 1 (select |#valid| main_~end~0.base))] [2018-04-10 15:35:21,494 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 15:35:21,494 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-10 15:35:21,495 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-10 15:35:21,495 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2018-04-10 15:35:21,495 INFO L87 Difference]: Start difference. First operand 260 states and 280 transitions. Second operand 17 states. [2018-04-10 15:35:21,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:21,950 INFO L93 Difference]: Finished difference Result 284 states and 305 transitions. [2018-04-10 15:35:21,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-10 15:35:21,950 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 59 [2018-04-10 15:35:21,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:21,952 INFO L225 Difference]: With dead ends: 284 [2018-04-10 15:35:21,952 INFO L226 Difference]: Without dead ends: 284 [2018-04-10 15:35:21,952 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=193, Invalid=799, Unknown=0, NotChecked=0, Total=992 [2018-04-10 15:35:21,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2018-04-10 15:35:21,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 273. [2018-04-10 15:35:21,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2018-04-10 15:35:21,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 295 transitions. [2018-04-10 15:35:21,955 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 295 transitions. Word has length 59 [2018-04-10 15:35:21,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:21,955 INFO L459 AbstractCegarLoop]: Abstraction has 273 states and 295 transitions. [2018-04-10 15:35:21,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-10 15:35:21,955 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 295 transitions. [2018-04-10 15:35:21,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-04-10 15:35:21,956 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:21,956 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] [2018-04-10 15:35:21,956 INFO L408 AbstractCegarLoop]: === Iteration 36 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:21,956 INFO L82 PathProgramCache]: Analyzing trace with hash -33641207, now seen corresponding path program 1 times [2018-04-10 15:35:21,957 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:21,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:21,963 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:22,055 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 15:35:22,055 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:22,055 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-04-10 15:35:22,055 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:22,056 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 15:35:22,056 INFO L182 omatonBuilderFactory]: Interpolants [15297#true, 15298#false, 15299#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base)), 15300#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem11.base|) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem11.offset|)), 15301#(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))), 15302#(and (<= (+ main_~end~0.offset 8) (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))), 15303#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 8) (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))), 15304#(and (<= 0 |main_#t~mem15.offset|) (<= (+ |main_#t~mem15.offset| 8) (select |#length| |main_#t~mem15.base|))), 15305#(and (<= (+ main_~end~0.offset 8) (select |#length| main_~end~0.base)) (<= 0 main_~end~0.offset)), 15306#(and (<= (+ main_~list~0.offset 8) (select |#length| main_~list~0.base)) (<= 0 main_~list~0.offset))] [2018-04-10 15:35:22,056 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 15:35:22,056 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-10 15:35:22,056 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-10 15:35:22,056 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-04-10 15:35:22,056 INFO L87 Difference]: Start difference. First operand 273 states and 295 transitions. Second operand 10 states. [2018-04-10 15:35:22,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:22,296 INFO L93 Difference]: Finished difference Result 330 states and 355 transitions. [2018-04-10 15:35:22,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-10 15:35:22,296 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 59 [2018-04-10 15:35:22,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:22,297 INFO L225 Difference]: With dead ends: 330 [2018-04-10 15:35:22,297 INFO L226 Difference]: Without dead ends: 330 [2018-04-10 15:35:22,297 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 15:35:22,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2018-04-10 15:35:22,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 282. [2018-04-10 15:35:22,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2018-04-10 15:35:22,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 306 transitions. [2018-04-10 15:35:22,300 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 306 transitions. Word has length 59 [2018-04-10 15:35:22,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:22,300 INFO L459 AbstractCegarLoop]: Abstraction has 282 states and 306 transitions. [2018-04-10 15:35:22,300 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-10 15:35:22,301 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 306 transitions. [2018-04-10 15:35:22,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-04-10 15:35:22,301 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:22,301 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] [2018-04-10 15:35:22,301 INFO L408 AbstractCegarLoop]: === Iteration 37 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:22,301 INFO L82 PathProgramCache]: Analyzing trace with hash 909337307, now seen corresponding path program 3 times [2018-04-10 15:35:22,302 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:22,308 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:22,535 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 15:35:22,536 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:22,536 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-10 15:35:22,536 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:22,536 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 15:35:22,536 INFO L182 omatonBuilderFactory]: Interpolants [15936#(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))), 15937#(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))), 15938#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc5.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 15939#(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))), 15940#(and (= |main_#t~mem6.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~mem6.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~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|))), 15941#(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)))), 15942#(and (= 0 (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))))), 15943#(and (= 0 (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)))) (= 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))))), 15944#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|)))), 15945#(and (= 0 (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))) (= 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)))), 15946#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))), 15947#(and (= 0 (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))), 15948#(and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)), 15949#(and (= main_~end~0.offset 0) (= main_~end~0.base 0)), 15929#true, 15930#false, 15931#(= (select |#valid| main_~list~0.base) 1), 15932#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 15933#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 15934#(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)))), 15935#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= |main_#t~mem3.offset| (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~mem3.base|)))] [2018-04-10 15:35:22,537 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 15:35:22,537 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-10 15:35:22,537 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-10 15:35:22,537 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2018-04-10 15:35:22,537 INFO L87 Difference]: Start difference. First operand 282 states and 306 transitions. Second operand 21 states. [2018-04-10 15:35:23,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:23,490 INFO L93 Difference]: Finished difference Result 346 states and 374 transitions. [2018-04-10 15:35:23,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-10 15:35:23,490 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 59 [2018-04-10 15:35:23,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:23,491 INFO L225 Difference]: With dead ends: 346 [2018-04-10 15:35:23,491 INFO L226 Difference]: Without dead ends: 346 [2018-04-10 15:35:23,492 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=224, Invalid=1756, Unknown=0, NotChecked=0, Total=1980 [2018-04-10 15:35:23,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2018-04-10 15:35:23,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 292. [2018-04-10 15:35:23,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2018-04-10 15:35:23,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 318 transitions. [2018-04-10 15:35:23,494 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 318 transitions. Word has length 59 [2018-04-10 15:35:23,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:23,495 INFO L459 AbstractCegarLoop]: Abstraction has 292 states and 318 transitions. [2018-04-10 15:35:23,495 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-10 15:35:23,495 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 318 transitions. [2018-04-10 15:35:23,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-04-10 15:35:23,495 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:23,495 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] [2018-04-10 15:35:23,495 INFO L408 AbstractCegarLoop]: === Iteration 38 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:23,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1042877941, now seen corresponding path program 2 times [2018-04-10 15:35:23,496 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:23,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:23,501 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:23,574 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 15:35:23,574 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:23,574 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-04-10 15:35:23,574 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:23,574 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 15:35:23,575 INFO L182 omatonBuilderFactory]: Interpolants [16640#(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))), 16641#(or (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0))), 16642#(or (not (= |main_#t~mem15.base| 0)) (not (= |main_#t~mem15.offset| 0))), 16643#(or (not (= main_~end~0.offset 0)) (not (= main_~end~0.base 0))), 16644#(or (not (= main_~list~0.offset 0)) (not (= main_~list~0.base 0))), 16636#true, 16637#false, 16638#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base)), 16639#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem11.base|) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) |main_#t~mem11.offset|))] [2018-04-10 15:35:23,575 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 15:35:23,575 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-10 15:35:23,575 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-10 15:35:23,575 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-04-10 15:35:23,575 INFO L87 Difference]: Start difference. First operand 292 states and 318 transitions. Second operand 9 states. [2018-04-10 15:35:23,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:23,836 INFO L93 Difference]: Finished difference Result 321 states and 348 transitions. [2018-04-10 15:35:23,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-10 15:35:23,836 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 60 [2018-04-10 15:35:23,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:23,837 INFO L225 Difference]: With dead ends: 321 [2018-04-10 15:35:23,837 INFO L226 Difference]: Without dead ends: 321 [2018-04-10 15:35:23,837 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 15:35:23,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2018-04-10 15:35:23,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 292. [2018-04-10 15:35:23,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2018-04-10 15:35:23,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 316 transitions. [2018-04-10 15:35:23,840 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 316 transitions. Word has length 60 [2018-04-10 15:35:23,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:23,841 INFO L459 AbstractCegarLoop]: Abstraction has 292 states and 316 transitions. [2018-04-10 15:35:23,841 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-10 15:35:23,841 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 316 transitions. [2018-04-10 15:35:23,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-04-10 15:35:23,841 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:23,841 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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 15:35:23,842 INFO L408 AbstractCegarLoop]: === Iteration 39 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:23,842 INFO L82 PathProgramCache]: Analyzing trace with hash -2130731006, now seen corresponding path program 2 times [2018-04-10 15:35:23,843 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:23,851 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:24,077 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:24,078 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:24,078 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-10 15:35:24,078 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:24,078 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 15:35:24,079 INFO L182 omatonBuilderFactory]: Interpolants [17280#(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))), 17281#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.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~malloc2.base|)) (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 17282#(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))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 17283#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= 8 (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| (select (select |#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~mem3.base|))), 17284#(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))) (= 8 (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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 17285#(and (= 8 (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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 17286#(and (= 8 (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)))) (= 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)))), 17287#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))), 17288#(and (= 8 (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))), 17289#(and (= 0 |main_#t~mem9.offset|) (= 8 (select |#length| |main_#t~mem9.base|))), 17290#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base))), 17272#true, 17273#false, 17274#(= (select |#valid| main_~list~0.base) 1), 17275#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 17276#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 17277#(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)))), 17278#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= |main_#t~mem3.offset| (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~mem3.base|))), 17279#(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 15:35:24,079 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:24,079 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-10 15:35:24,079 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-10 15:35:24,079 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2018-04-10 15:35:24,079 INFO L87 Difference]: Start difference. First operand 292 states and 316 transitions. Second operand 19 states. [2018-04-10 15:35:24,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:24,843 INFO L93 Difference]: Finished difference Result 354 states and 381 transitions. [2018-04-10 15:35:24,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-10 15:35:24,843 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 60 [2018-04-10 15:35:24,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:24,844 INFO L225 Difference]: With dead ends: 354 [2018-04-10 15:35:24,844 INFO L226 Difference]: Without dead ends: 354 [2018-04-10 15:35:24,844 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=144, Invalid=848, Unknown=0, NotChecked=0, Total=992 [2018-04-10 15:35:24,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2018-04-10 15:35:24,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 299. [2018-04-10 15:35:24,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-04-10 15:35:24,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 324 transitions. [2018-04-10 15:35:24,848 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 324 transitions. Word has length 60 [2018-04-10 15:35:24,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:24,849 INFO L459 AbstractCegarLoop]: Abstraction has 299 states and 324 transitions. [2018-04-10 15:35:24,849 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-10 15:35:24,849 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 324 transitions. [2018-04-10 15:35:24,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-04-10 15:35:24,849 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:24,850 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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 15:35:24,850 INFO L408 AbstractCegarLoop]: === Iteration 40 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:24,850 INFO L82 PathProgramCache]: Analyzing trace with hash -2130731007, now seen corresponding path program 1 times [2018-04-10 15:35:24,851 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:24,858 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:25,113 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:25,113 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:25,113 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-10 15:35:25,113 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:25,113 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 15:35:25,114 INFO L182 omatonBuilderFactory]: Interpolants [17984#(= 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)))), 17985#(= 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)))), 17986#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))), 17987#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 17988#(= 1 (select |#valid| |main_#t~mem9.base|)), 17989#(= 1 (select |#valid| main_~end~0.base)), 17970#true, 17971#false, 17972#(= (select |#valid| main_~list~0.base) 1), 17973#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 17974#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 17975#(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)))), 17976#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= |main_#t~mem3.offset| (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~mem3.base|))), 17977#(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))), 17978#(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))), 17979#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.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~malloc2.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 17980#(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))), 17981#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= |main_#t~mem3.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~mem3.base|))), 17982#(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))) (= 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)))), 17983#(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))) (= 1 (select |#valid| main_~end~0.base)))] [2018-04-10 15:35:25,114 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:25,114 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-10 15:35:25,114 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-10 15:35:25,114 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2018-04-10 15:35:25,114 INFO L87 Difference]: Start difference. First operand 299 states and 324 transitions. Second operand 20 states. [2018-04-10 15:35:25,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:25,848 INFO L93 Difference]: Finished difference Result 349 states and 376 transitions. [2018-04-10 15:35:25,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-10 15:35:25,848 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 60 [2018-04-10 15:35:25,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:25,849 INFO L225 Difference]: With dead ends: 349 [2018-04-10 15:35:25,849 INFO L226 Difference]: Without dead ends: 349 [2018-04-10 15:35:25,850 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=197, Invalid=1135, Unknown=0, NotChecked=0, Total=1332 [2018-04-10 15:35:25,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2018-04-10 15:35:25,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 292. [2018-04-10 15:35:25,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2018-04-10 15:35:25,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 316 transitions. [2018-04-10 15:35:25,852 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 316 transitions. Word has length 60 [2018-04-10 15:35:25,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:25,852 INFO L459 AbstractCegarLoop]: Abstraction has 292 states and 316 transitions. [2018-04-10 15:35:25,852 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-10 15:35:25,852 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 316 transitions. [2018-04-10 15:35:25,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-04-10 15:35:25,853 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:25,853 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] [2018-04-10 15:35:25,853 INFO L408 AbstractCegarLoop]: === Iteration 41 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:25,853 INFO L82 PathProgramCache]: Analyzing trace with hash 2030246666, now seen corresponding path program 1 times [2018-04-10 15:35:25,854 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:25,858 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:25,959 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 15:35:25,959 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:25,959 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-10 15:35:25,959 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:25,959 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 15:35:25,960 INFO L182 omatonBuilderFactory]: Interpolants [18665#true, 18666#false, 18667#(= (select |#valid| main_~list~0.base) 1), 18668#(and (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.base main_~list~0.base) (= (select |#valid| main_~end~0.base) 1)), 18669#(and (= main_~list~0.offset main_~end~0.offset) (not (= |main_#t~malloc2.base| 0)) (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base)), 18670#(and (= main_~end~0.base main_~list~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0)) (= (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)))), 18671#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem3.base|))), 18672#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= (select |#valid| main_~list~0.base) 1)), 18673#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base |main_#t~malloc5.base|))), 18674#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 18675#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base |main_#t~mem6.base|))), 18676#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0))), 18677#(not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)), 18678#(and (= main_~list~0.base main_~end~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0))), 18679#(not (= |main_#t~mem15.base| 0)), 18680#(not (= main_~end~0.base 0)), 18681#(not (= main_~list~0.base 0))] [2018-04-10 15:35:25,960 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 15:35:25,960 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-10 15:35:25,960 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-10 15:35:25,960 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2018-04-10 15:35:25,960 INFO L87 Difference]: Start difference. First operand 292 states and 316 transitions. Second operand 17 states. [2018-04-10 15:35:26,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:26,361 INFO L93 Difference]: Finished difference Result 373 states and 399 transitions. [2018-04-10 15:35:26,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-10 15:35:26,418 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 60 [2018-04-10 15:35:26,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:26,419 INFO L225 Difference]: With dead ends: 373 [2018-04-10 15:35:26,419 INFO L226 Difference]: Without dead ends: 361 [2018-04-10 15:35:26,420 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=154, Invalid=776, Unknown=0, NotChecked=0, Total=930 [2018-04-10 15:35:26,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2018-04-10 15:35:26,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 292. [2018-04-10 15:35:26,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2018-04-10 15:35:26,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 315 transitions. [2018-04-10 15:35:26,423 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 315 transitions. Word has length 60 [2018-04-10 15:35:26,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:26,424 INFO L459 AbstractCegarLoop]: Abstraction has 292 states and 315 transitions. [2018-04-10 15:35:26,424 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-10 15:35:26,424 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 315 transitions. [2018-04-10 15:35:26,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-04-10 15:35:26,425 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:26,425 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] [2018-04-10 15:35:26,425 INFO L408 AbstractCegarLoop]: === Iteration 42 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:26,425 INFO L82 PathProgramCache]: Analyzing trace with hash 68336896, now seen corresponding path program 2 times [2018-04-10 15:35:26,426 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:26,434 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:26,692 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 15:35:26,692 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:26,692 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-10 15:35:26,692 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:26,692 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 15:35:26,692 INFO L182 omatonBuilderFactory]: Interpolants [19392#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))), 19393#(and (= 0 (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))), 19394#(and (= 0 |main_#t~mem9.offset|) (= 0 |main_#t~mem9.base|)), 19395#(and (= main_~end~0.offset 0) (= main_~end~0.base 0)), 19375#true, 19376#false, 19377#(= (select |#valid| main_~list~0.base) 1), 19378#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1)), 19379#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base)), 19380#(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)), 19381#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= |main_#t~mem3.offset| (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~mem3.base|))), 19382#(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))), 19383#(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))), 19384#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc5.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 19385#(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))), 19386#(and (= |main_#t~mem6.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~mem6.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~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|))), 19387#(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)))), 19388#(and (= 0 (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))))), 19389#(and (= 0 (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)))) (= 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))))), 19390#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|)))), 19391#(and (= 0 (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))) (= 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))))] [2018-04-10 15:35:26,692 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 15:35:26,692 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-10 15:35:26,693 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-10 15:35:26,693 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2018-04-10 15:35:26,693 INFO L87 Difference]: Start difference. First operand 292 states and 315 transitions. Second operand 21 states. [2018-04-10 15:35:27,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:27,610 INFO L93 Difference]: Finished difference Result 347 states and 371 transitions. [2018-04-10 15:35:27,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-10 15:35:27,610 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 61 [2018-04-10 15:35:27,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:27,611 INFO L225 Difference]: With dead ends: 347 [2018-04-10 15:35:27,611 INFO L226 Difference]: Without dead ends: 343 [2018-04-10 15:35:27,612 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=206, Invalid=1600, Unknown=0, NotChecked=0, Total=1806 [2018-04-10 15:35:27,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2018-04-10 15:35:27,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 292. [2018-04-10 15:35:27,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2018-04-10 15:35:27,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 314 transitions. [2018-04-10 15:35:27,614 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 314 transitions. Word has length 61 [2018-04-10 15:35:27,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:27,614 INFO L459 AbstractCegarLoop]: Abstraction has 292 states and 314 transitions. [2018-04-10 15:35:27,614 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-10 15:35:27,614 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 314 transitions. [2018-04-10 15:35:27,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-04-10 15:35:27,615 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:27,615 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] [2018-04-10 15:35:27,615 INFO L408 AbstractCegarLoop]: === Iteration 43 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:27,615 INFO L82 PathProgramCache]: Analyzing trace with hash -506433333, now seen corresponding path program 1 times [2018-04-10 15:35:27,616 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:27,621 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:27,855 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 15:35:27,855 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:27,855 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-10 15:35:27,855 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:27,856 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 15:35:27,856 INFO L182 omatonBuilderFactory]: Interpolants [20096#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem9.base|) |main_#t~mem9.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem9.base|) |main_#t~mem9.offset|))), 20097#(and (= 0 (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))), 20098#(and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)), 20099#(and (= main_~end~0.offset 0) (= main_~end~0.base 0)), 20079#true, 20080#false, 20081#(= (select |#valid| main_~list~0.base) 1), 20082#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~list~0.base) 1)), 20083#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (not (= main_~list~0.base |main_#t~malloc2.base|))), 20084#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= (select |#valid| main_~end~0.base) 1)), 20085#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= |main_#t~mem3.offset| (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~mem3.base|))), 20086#(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))), 20087#(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))), 20088#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc5.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc5.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 20089#(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))), 20090#(and (= |main_#t~mem6.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~mem6.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~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|))), 20091#(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)))), 20092#(and (= 0 (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))))), 20093#(and (= 0 (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)))) (= 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))))), 20094#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|)))), 20095#(and (= 0 (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))) (= 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))))] [2018-04-10 15:35:27,856 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 15:35:27,856 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-10 15:35:27,856 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-10 15:35:27,856 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2018-04-10 15:35:27,856 INFO L87 Difference]: Start difference. First operand 292 states and 314 transitions. Second operand 21 states. [2018-04-10 15:35:28,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:28,697 INFO L93 Difference]: Finished difference Result 319 states and 341 transitions. [2018-04-10 15:35:28,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-10 15:35:28,698 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 62 [2018-04-10 15:35:28,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:28,698 INFO L225 Difference]: With dead ends: 319 [2018-04-10 15:35:28,698 INFO L226 Difference]: Without dead ends: 319 [2018-04-10 15:35:28,699 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=184, Invalid=1456, Unknown=0, NotChecked=0, Total=1640 [2018-04-10 15:35:28,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2018-04-10 15:35:28,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 301. [2018-04-10 15:35:28,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2018-04-10 15:35:28,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 323 transitions. [2018-04-10 15:35:28,702 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 323 transitions. Word has length 62 [2018-04-10 15:35:28,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:28,702 INFO L459 AbstractCegarLoop]: Abstraction has 301 states and 323 transitions. [2018-04-10 15:35:28,702 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-10 15:35:28,702 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 323 transitions. [2018-04-10 15:35:28,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-04-10 15:35:28,703 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:28,703 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] [2018-04-10 15:35:28,703 INFO L408 AbstractCegarLoop]: === Iteration 44 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:28,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1436076937, now seen corresponding path program 1 times [2018-04-10 15:35:28,703 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:28,707 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:28,830 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 15:35:28,830 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:28,830 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-10 15:35:28,830 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:28,831 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 15:35:28,831 INFO L182 omatonBuilderFactory]: Interpolants [20768#(= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)), 20769#(and (= main_~end~0.base main_~list~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset))), 20770#(= 0 |main_#t~mem15.offset|), 20771#(= 0 main_~end~0.offset), 20772#(= main_~list~0.offset 0), 20760#true, 20761#false, 20762#(= (select |#valid| main_~list~0.base) 1), 20763#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 20764#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 |main_#t~malloc2.offset|)), 20765#(and (= main_~end~0.base main_~list~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)))), 20766#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem3.base|))), 20767#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)))] [2018-04-10 15:35:28,831 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 15:35:28,831 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-10 15:35:28,831 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-10 15:35:28,831 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-04-10 15:35:28,831 INFO L87 Difference]: Start difference. First operand 301 states and 323 transitions. Second operand 13 states. [2018-04-10 15:35:29,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:29,135 INFO L93 Difference]: Finished difference Result 374 states and 401 transitions. [2018-04-10 15:35:29,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-10 15:35:29,136 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 63 [2018-04-10 15:35:29,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:29,137 INFO L225 Difference]: With dead ends: 374 [2018-04-10 15:35:29,137 INFO L226 Difference]: Without dead ends: 374 [2018-04-10 15:35:29,137 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=134, Invalid=568, Unknown=0, NotChecked=0, Total=702 [2018-04-10 15:35:29,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2018-04-10 15:35:29,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 340. [2018-04-10 15:35:29,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-04-10 15:35:29,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 373 transitions. [2018-04-10 15:35:29,140 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 373 transitions. Word has length 63 [2018-04-10 15:35:29,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:29,140 INFO L459 AbstractCegarLoop]: Abstraction has 340 states and 373 transitions. [2018-04-10 15:35:29,140 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-10 15:35:29,140 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 373 transitions. [2018-04-10 15:35:29,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-10 15:35:29,140 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:29,140 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 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] [2018-04-10 15:35:29,141 INFO L408 AbstractCegarLoop]: === Iteration 45 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:29,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1926152643, now seen corresponding path program 5 times [2018-04-10 15:35:29,141 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:29,149 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:29,405 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 3 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:29,405 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:29,406 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-10 15:35:29,406 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:29,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:29,406 INFO L182 omatonBuilderFactory]: Interpolants [21515#true, 21516#false, 21517#(= (select |#valid| main_~list~0.base) 1), 21518#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 21519#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 21520#(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)))), 21521#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= |main_#t~mem3.offset| (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~mem3.base|))), 21522#(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))), 21523#(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))), 21524#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.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~malloc2.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 21525#(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))), 21526#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= |main_#t~mem3.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~mem3.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~mem3.base|))), 21527#(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)))), 21528#(and (= 0 (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))))), 21529#(and (= 0 (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)))) (= 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))))), 21530#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|)))), 21531#(and (= 0 (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))) (= 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)))), 21532#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))), 21533#(and (= 0 (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))), 21534#(and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)), 21535#(and (= main_~end~0.offset 0) (= main_~end~0.base 0))] [2018-04-10 15:35:29,406 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 3 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:29,406 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-10 15:35:29,406 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-10 15:35:29,406 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2018-04-10 15:35:29,407 INFO L87 Difference]: Start difference. First operand 340 states and 373 transitions. Second operand 21 states. [2018-04-10 15:35:30,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:30,426 INFO L93 Difference]: Finished difference Result 381 states and 408 transitions. [2018-04-10 15:35:30,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-10 15:35:30,426 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 64 [2018-04-10 15:35:30,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:30,427 INFO L225 Difference]: With dead ends: 381 [2018-04-10 15:35:30,427 INFO L226 Difference]: Without dead ends: 381 [2018-04-10 15:35:30,427 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=224, Invalid=1756, Unknown=0, NotChecked=0, Total=1980 [2018-04-10 15:35:30,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-04-10 15:35:30,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 340. [2018-04-10 15:35:30,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-04-10 15:35:30,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 373 transitions. [2018-04-10 15:35:30,430 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 373 transitions. Word has length 64 [2018-04-10 15:35:30,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:30,430 INFO L459 AbstractCegarLoop]: Abstraction has 340 states and 373 transitions. [2018-04-10 15:35:30,430 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-10 15:35:30,430 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 373 transitions. [2018-04-10 15:35:30,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-10 15:35:30,431 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:30,431 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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 15:35:30,431 INFO L408 AbstractCegarLoop]: === Iteration 46 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:30,431 INFO L82 PathProgramCache]: Analyzing trace with hash -229037660, now seen corresponding path program 3 times [2018-04-10 15:35:30,432 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:30,441 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:30,944 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:30,944 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:30,945 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-10 15:35:30,945 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:30,945 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 15:35:30,945 INFO L182 omatonBuilderFactory]: Interpolants [22305#true, 22306#false, 22307#(= 0 |main_#t~malloc0.offset|), 22308#(= 0 main_~list~0.offset), 22309#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 22310#(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)), 22311#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset)), 22312#(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)))), 22313#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (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~mem3.base|))), 22314#(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))), 22315#(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))), 22316#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.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~malloc2.base|)) (= 0 main_~list~0.offset) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 22317#(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))), 22318#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 main_~list~0.offset) (= |main_#t~mem3.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~mem3.base|))), 22319#(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) (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)))), 22320#(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))) (= 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~malloc5.base|)) (= |main_#t~malloc5.offset| main_~list~0.offset)), 22321#(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))) (= 1 (select |#valid| main_~end~0.base))), 22322#(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)))) (= |main_#t~mem6.offset| main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|))), 22323#(or (and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base)) (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))))), 22324#(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 (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset)) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)))), 22325#(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 (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 22326#(or (and (= 0 (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))) (= 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))))), 22327#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)))), 22328#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 22329#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 22330#(= 1 (select |#valid| |main_#t~mem11.base|)), 22331#(= 1 (select |#valid| main_~end~0.base))] [2018-04-10 15:35:30,945 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:30,945 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-10 15:35:30,946 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-10 15:35:30,946 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=619, Unknown=0, NotChecked=0, Total=702 [2018-04-10 15:35:30,946 INFO L87 Difference]: Start difference. First operand 340 states and 373 transitions. Second operand 27 states. [2018-04-10 15:35:32,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:32,626 INFO L93 Difference]: Finished difference Result 463 states and 503 transitions. [2018-04-10 15:35:32,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-04-10 15:35:32,626 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 64 [2018-04-10 15:35:32,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:32,627 INFO L225 Difference]: With dead ends: 463 [2018-04-10 15:35:32,627 INFO L226 Difference]: Without dead ends: 463 [2018-04-10 15:35:32,628 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1172 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=800, Invalid=3892, Unknown=0, NotChecked=0, Total=4692 [2018-04-10 15:35:32,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2018-04-10 15:35:32,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 366. [2018-04-10 15:35:32,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2018-04-10 15:35:32,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 404 transitions. [2018-04-10 15:35:32,631 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 404 transitions. Word has length 64 [2018-04-10 15:35:32,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:32,631 INFO L459 AbstractCegarLoop]: Abstraction has 366 states and 404 transitions. [2018-04-10 15:35:32,631 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-10 15:35:32,631 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 404 transitions. [2018-04-10 15:35:32,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-10 15:35:32,632 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:32,632 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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 15:35:32,632 INFO L408 AbstractCegarLoop]: === Iteration 47 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:32,632 INFO L82 PathProgramCache]: Analyzing trace with hash -229037659, now seen corresponding path program 3 times [2018-04-10 15:35:32,632 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:32,641 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:33,179 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:33,179 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:33,179 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-10 15:35:33,179 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:33,179 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 15:35:33,180 INFO L182 omatonBuilderFactory]: Interpolants [23245#true, 23246#false, 23247#(= 0 |main_#t~malloc0.offset|), 23248#(= 0 main_~list~0.offset), 23249#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 23250#(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)), 23251#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset)), 23252#(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)))), 23253#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (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~mem3.base|))), 23254#(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))), 23255#(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))), 23256#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.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~malloc2.base|)) (= 0 main_~list~0.offset) (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 23257#(and (= 8 (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))), 23258#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 8 (select |#length| |main_#t~mem3.base|)) (= 0 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 (select |#memory_$Pointer$.base| (select (select |#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~mem3.base|) (not (= main_~list~0.base |main_#t~mem3.base|))), 23259#(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) (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))) (= 8 (select |#length| main_~end~0.base))), 23260#(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) (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) (= 8 (select |#length| main_~end~0.base))), 23261#(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))) (= 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))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| main_~list~0.offset) (= 8 (select |#length| main_~end~0.base))), 23262#(and (= (select |#length| main_~end~0.base) 8) (= (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)))), 23263#(and (= |main_#t~mem6.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))) (<= 8 (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 (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|))), 23264#(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))) (<= 8 (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))), 23265#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~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))) (<= 8 (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)))))), 23266#(or (and (<= 8 (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)))) (= 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)))) (and (= 0 (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)))), 23267#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|)))), 23268#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (<= 8 (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)))), 23269#(and (<= 8 (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))), 23270#(and (<= 8 (select |#length| |main_#t~mem11.base|)) (= 0 |main_#t~mem11.offset|)), 23271#(and (= main_~end~0.offset 0) (<= 8 (select |#length| main_~end~0.base)))] [2018-04-10 15:35:33,180 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:33,180 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-10 15:35:33,180 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-10 15:35:33,181 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=615, Unknown=0, NotChecked=0, Total=702 [2018-04-10 15:35:33,181 INFO L87 Difference]: Start difference. First operand 366 states and 404 transitions. Second operand 27 states. [2018-04-10 15:35:35,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:35,027 INFO L93 Difference]: Finished difference Result 465 states and 506 transitions. [2018-04-10 15:35:35,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-04-10 15:35:35,027 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 64 [2018-04-10 15:35:35,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:35,028 INFO L225 Difference]: With dead ends: 465 [2018-04-10 15:35:35,028 INFO L226 Difference]: Without dead ends: 465 [2018-04-10 15:35:35,029 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1008 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=645, Invalid=3515, Unknown=0, NotChecked=0, Total=4160 [2018-04-10 15:35:35,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2018-04-10 15:35:35,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 365. [2018-04-10 15:35:35,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2018-04-10 15:35:35,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 402 transitions. [2018-04-10 15:35:35,031 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 402 transitions. Word has length 64 [2018-04-10 15:35:35,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:35,032 INFO L459 AbstractCegarLoop]: Abstraction has 365 states and 402 transitions. [2018-04-10 15:35:35,032 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-10 15:35:35,032 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 402 transitions. [2018-04-10 15:35:35,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-10 15:35:35,032 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:35,032 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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 15:35:35,032 INFO L408 AbstractCegarLoop]: === Iteration 48 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:35,032 INFO L82 PathProgramCache]: Analyzing trace with hash -483034762, now seen corresponding path program 4 times [2018-04-10 15:35:35,033 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:35,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:35,043 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:35,490 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:35,490 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:35,491 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-10 15:35:35,491 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:35,491 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 15:35:35,491 INFO L182 omatonBuilderFactory]: Interpolants [24192#(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) (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)))), 24193#(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))) (= 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))) (or (= |main_#t~malloc2.offset| main_~list~0.offset) (not (= main_~list~0.base |main_#t~malloc2.base|))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc2.base|))), 24194#(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| 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))) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset))), 24195#(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~mem3.base|)) (or (= |main_#t~mem3.offset| main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem3.base|)))), 24196#(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))), 24197#(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 (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 24198#(or (and (= 0 (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))) (= 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))))), 24199#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)))), 24200#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 24201#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 24202#(= 1 (select |#valid| |main_#t~mem11.base|)), 24203#(= 1 (select |#valid| main_~end~0.base)), 24178#true, 24179#false, 24180#(= 0 |main_#t~malloc0.offset|), 24181#(= 0 main_~list~0.offset), 24182#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 24183#(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)), 24184#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset)), 24185#(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)))), 24186#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (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~mem3.base|))), 24187#(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))), 24188#(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))), 24189#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc5.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_~end~0.base |main_#t~malloc5.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 24190#(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)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 24191#(and (= |main_#t~mem6.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| (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~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)))] [2018-04-10 15:35:35,491 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:35,491 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-10 15:35:35,491 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-10 15:35:35,491 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=573, Unknown=0, NotChecked=0, Total=650 [2018-04-10 15:35:35,492 INFO L87 Difference]: Start difference. First operand 365 states and 402 transitions. Second operand 26 states. [2018-04-10 15:35:36,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:36,983 INFO L93 Difference]: Finished difference Result 490 states and 535 transitions. [2018-04-10 15:35:36,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-04-10 15:35:36,983 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 64 [2018-04-10 15:35:36,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:36,984 INFO L225 Difference]: With dead ends: 490 [2018-04-10 15:35:36,984 INFO L226 Difference]: Without dead ends: 490 [2018-04-10 15:35:36,985 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1073 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=735, Invalid=3555, Unknown=0, NotChecked=0, Total=4290 [2018-04-10 15:35:36,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2018-04-10 15:35:36,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 399. [2018-04-10 15:35:36,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2018-04-10 15:35:36,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 442 transitions. [2018-04-10 15:35:36,988 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 442 transitions. Word has length 64 [2018-04-10 15:35:36,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:36,988 INFO L459 AbstractCegarLoop]: Abstraction has 399 states and 442 transitions. [2018-04-10 15:35:36,988 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-10 15:35:36,989 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 442 transitions. [2018-04-10 15:35:36,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-10 15:35:36,989 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:36,989 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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 15:35:36,989 INFO L408 AbstractCegarLoop]: === Iteration 49 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:36,990 INFO L82 PathProgramCache]: Analyzing trace with hash -483034761, now seen corresponding path program 4 times [2018-04-10 15:35:36,990 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:37,001 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:37,401 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:37,402 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:37,402 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-10 15:35:37,402 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:37,402 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 15:35:37,402 INFO L182 omatonBuilderFactory]: Interpolants [25173#true, 25174#false, 25175#(= 0 |main_#t~malloc0.offset|), 25176#(= 0 main_~list~0.offset), 25177#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 25178#(and (= 1 (select |#valid| main_~list~0.base)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset)), 25179#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset)), 25180#(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)))), 25181#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (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~mem3.base|))), 25182#(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))), 25183#(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))), 25184#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc5.base|)) (= 8 (select |#length| |main_#t~malloc5.base|)) (not (= |main_#t~malloc5.base| main_~end~0.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))), 25185#(and (= 8 (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))) (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 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))) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 25186#(and (= |main_#t~mem6.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 main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= |main_#t~mem6.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))) (not (= main_~list~0.base |main_#t~mem6.base|)) (= 8 (select |#length| |main_#t~mem6.base|))), 25187#(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 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| (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))) (= 8 (select |#length| main_~end~0.base))), 25188#(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))) (= |main_#t~malloc2.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))) (= 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))) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 8 (select |#length| main_~end~0.base))), 25189#(and (= (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) (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))) (= 8 (select |#length| main_~end~0.base))), 25190#(and (= |main_#t~mem3.offset| main_~list~0.offset) (= 8 (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| (select (select |#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~mem3.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 25191#(or (and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base)) (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))) (= 8 (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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 25192#(or (and (= 8 (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| (select (select |#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 (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset)) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)))), 25193#(or (and (= 8 (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| (select (select |#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 (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 25194#(or (and (= 8 (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)))) (= 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)))) (and (= 0 (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)))), 25195#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|)))), 25196#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (= 8 (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)))), 25197#(and (= 8 (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))), 25198#(and (= 0 |main_#t~mem11.offset|) (= 8 (select |#length| |main_#t~mem11.base|))), 25199#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base)))] [2018-04-10 15:35:37,402 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:37,402 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-10 15:35:37,402 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-10 15:35:37,403 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=612, Unknown=0, NotChecked=0, Total=702 [2018-04-10 15:35:37,403 INFO L87 Difference]: Start difference. First operand 399 states and 442 transitions. Second operand 27 states. [2018-04-10 15:35:39,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:39,127 INFO L93 Difference]: Finished difference Result 499 states and 545 transitions. [2018-04-10 15:35:39,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-04-10 15:35:39,127 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 64 [2018-04-10 15:35:39,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:39,129 INFO L225 Difference]: With dead ends: 499 [2018-04-10 15:35:39,129 INFO L226 Difference]: Without dead ends: 499 [2018-04-10 15:35:39,129 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 834 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=575, Invalid=3085, Unknown=0, NotChecked=0, Total=3660 [2018-04-10 15:35:39,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2018-04-10 15:35:39,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 373. [2018-04-10 15:35:39,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-04-10 15:35:39,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 411 transitions. [2018-04-10 15:35:39,132 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 411 transitions. Word has length 64 [2018-04-10 15:35:39,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:39,132 INFO L459 AbstractCegarLoop]: Abstraction has 373 states and 411 transitions. [2018-04-10 15:35:39,132 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-10 15:35:39,132 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 411 transitions. [2018-04-10 15:35:39,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-10 15:35:39,133 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:39,133 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-04-10 15:35:39,133 INFO L408 AbstractCegarLoop]: === Iteration 50 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:39,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1428135447, now seen corresponding path program 4 times [2018-04-10 15:35:39,134 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:39,144 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:39,516 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:39,516 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:39,516 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-10 15:35:39,517 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:39,517 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 15:35:39,517 INFO L182 omatonBuilderFactory]: Interpolants [26140#true, 26141#false, 26142#(= 0 |main_#t~malloc0.offset|), 26143#(= 0 main_~list~0.offset), 26144#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 26145#(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)), 26146#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset)), 26147#(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)))), 26148#(and (= |main_#t~mem3.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) (not (= main_~list~0.base |main_#t~mem3.base|))), 26149#(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)), 26150#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc5.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset)), 26151#(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))), 26152#(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~mem6.base|))), 26153#(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)))), 26154#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base main_~list~0.base)) (= |main_#t~malloc2.offset| main_~list~0.offset) (= 0 main_~list~0.offset)), 26155#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~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)))), 26156#(and (or (= |main_#t~mem3.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~mem3.offset| main_~list~0.offset) (= 0 main_~list~0.offset)), 26157#(or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset)) (and (not (= main_~end~0.base main_~list~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))), 26158#(or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.base|))) (and (not (= main_~end~0.base main_~list~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))) (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~malloc5.base|))) (and (= |main_#t~malloc5.base| main_~list~0.base) (= |main_#t~malloc5.offset| main_~list~0.offset))), 26159#(or (and (not (= main_~list~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)))) (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))), 26160#(or (and (= |main_#t~mem6.offset| main_~list~0.offset) (= |main_#t~mem6.base| main_~list~0.base)) (and (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem6.base|)))), 26161#(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 (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))), 26162#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 26163#(or (and (= 0 (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))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 26164#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (= 1 (select |#valid| |main_#t~mem11.base|))), 26165#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 1 (select |#valid| main_~end~0.base))), 26166#(= 1 (select |#valid| main_~end~0.base))] [2018-04-10 15:35:39,517 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:39,517 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-10 15:35:39,517 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-10 15:35:39,517 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=604, Unknown=0, NotChecked=0, Total=702 [2018-04-10 15:35:39,517 INFO L87 Difference]: Start difference. First operand 373 states and 411 transitions. Second operand 27 states. [2018-04-10 15:35:41,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:41,532 INFO L93 Difference]: Finished difference Result 463 states and 507 transitions. [2018-04-10 15:35:41,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-04-10 15:35:41,575 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 64 [2018-04-10 15:35:41,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:41,576 INFO L225 Difference]: With dead ends: 463 [2018-04-10 15:35:41,576 INFO L226 Difference]: Without dead ends: 463 [2018-04-10 15:35:41,576 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1394 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1118, Invalid=3994, Unknown=0, NotChecked=0, Total=5112 [2018-04-10 15:35:41,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2018-04-10 15:35:41,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 400. [2018-04-10 15:35:41,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2018-04-10 15:35:41,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 441 transitions. [2018-04-10 15:35:41,579 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 441 transitions. Word has length 64 [2018-04-10 15:35:41,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:41,579 INFO L459 AbstractCegarLoop]: Abstraction has 400 states and 441 transitions. [2018-04-10 15:35:41,579 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-10 15:35:41,579 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 441 transitions. [2018-04-10 15:35:41,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-10 15:35:41,579 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:41,580 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-04-10 15:35:41,580 INFO L408 AbstractCegarLoop]: === Iteration 51 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:41,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1428135448, now seen corresponding path program 3 times [2018-04-10 15:35:41,580 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:41,589 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:42,049 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:42,049 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:42,049 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-10 15:35:42,049 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:42,050 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 15:35:42,050 INFO L182 omatonBuilderFactory]: Interpolants [27136#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (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))) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= 0 main_~list~0.offset)), 27137#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem3.offset| main_~list~0.offset) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem3.base|))), 27138#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset)), 27139#(and (= 0 |main_#t~malloc5.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~malloc5.offset| main_~list~0.offset)), 27140#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (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) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset))), 27141#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem6.offset| main_~list~0.offset)), 27142#(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)) (= 8 (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))), 27143#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 27144#(or (and (= 8 (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))) (and (= 0 (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)))), 27145#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (and (= 0 |main_#t~mem11.offset|) (= 8 (select |#length| |main_#t~mem11.base|)))), 27146#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base)))), 27147#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base))), 27120#true, 27121#false, 27122#(= 0 |main_#t~malloc0.offset|), 27123#(= 0 main_~list~0.offset), 27124#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 27125#(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)), 27126#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|))), 27127#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 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)))), 27128#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| |main_#t~mem3.base|)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem3.base|))), 27129#(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_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 27130#(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) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 27131#(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~malloc5.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) (= 8 (select |#length| main_~end~0.base))), 27132#(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) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 27133#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 27134#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 27135#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~malloc2.offset| main_~list~0.offset) (not (= main_~list~0.base |main_#t~malloc2.base|)) (= 0 main_~list~0.offset))] [2018-04-10 15:35:42,050 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:42,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-10 15:35:42,050 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-10 15:35:42,050 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=644, Unknown=0, NotChecked=0, Total=756 [2018-04-10 15:35:42,050 INFO L87 Difference]: Start difference. First operand 400 states and 441 transitions. Second operand 28 states. [2018-04-10 15:35:43,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:43,852 INFO L93 Difference]: Finished difference Result 575 states and 631 transitions. [2018-04-10 15:35:43,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-04-10 15:35:43,852 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 64 [2018-04-10 15:35:43,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:43,853 INFO L225 Difference]: With dead ends: 575 [2018-04-10 15:35:43,853 INFO L226 Difference]: Without dead ends: 575 [2018-04-10 15:35:43,854 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1441 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1017, Invalid=3953, Unknown=0, NotChecked=0, Total=4970 [2018-04-10 15:35:43,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2018-04-10 15:35:43,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 424. [2018-04-10 15:35:43,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2018-04-10 15:35:43,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 469 transitions. [2018-04-10 15:35:43,857 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 469 transitions. Word has length 64 [2018-04-10 15:35:43,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:43,857 INFO L459 AbstractCegarLoop]: Abstraction has 424 states and 469 transitions. [2018-04-10 15:35:43,857 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-10 15:35:43,857 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 469 transitions. [2018-04-10 15:35:43,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-04-10 15:35:43,857 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:43,858 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 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 15:35:43,858 INFO L408 AbstractCegarLoop]: === Iteration 52 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:43,858 INFO L82 PathProgramCache]: Analyzing trace with hash -808216286, now seen corresponding path program 3 times [2018-04-10 15:35:43,858 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:43,863 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:43,973 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:35:43,973 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:43,973 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-10 15:35:43,973 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:43,973 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 15:35:43,974 INFO L182 omatonBuilderFactory]: Interpolants [28233#true, 28234#false, 28235#(= (select |#valid| main_~list~0.base) 1), 28236#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 28237#(and (not (= |main_#t~malloc2.base| 0)) (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 28238#(and (= main_~end~0.base main_~list~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0)) (= (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)))), 28239#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem3.base|))), 28240#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= (select |#valid| main_~list~0.base) 1)), 28241#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base |main_#t~malloc2.base|))), 28242#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 28243#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base |main_#t~mem3.base|))), 28244#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0))), 28245#(not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)), 28246#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0)), 28247#(not (= |main_#t~mem11.base| 0)), 28248#(not (= main_~end~0.base 0))] [2018-04-10 15:35:43,974 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 15:35:43,974 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-10 15:35:43,974 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-10 15:35:43,974 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2018-04-10 15:35:43,974 INFO L87 Difference]: Start difference. First operand 424 states and 469 transitions. Second operand 16 states. [2018-04-10 15:35:44,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:44,339 INFO L93 Difference]: Finished difference Result 526 states and 575 transitions. [2018-04-10 15:35:44,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-10 15:35:44,339 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 65 [2018-04-10 15:35:44,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:44,340 INFO L225 Difference]: With dead ends: 526 [2018-04-10 15:35:44,340 INFO L226 Difference]: Without dead ends: 526 [2018-04-10 15:35:44,340 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=557, Unknown=0, NotChecked=0, Total=702 [2018-04-10 15:35:44,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2018-04-10 15:35:44,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 467. [2018-04-10 15:35:44,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2018-04-10 15:35:44,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 513 transitions. [2018-04-10 15:35:44,343 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 513 transitions. Word has length 65 [2018-04-10 15:35:44,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:44,343 INFO L459 AbstractCegarLoop]: Abstraction has 467 states and 513 transitions. [2018-04-10 15:35:44,343 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-10 15:35:44,344 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 513 transitions. [2018-04-10 15:35:44,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-04-10 15:35:44,344 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:44,344 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] [2018-04-10 15:35:44,344 INFO L408 AbstractCegarLoop]: === Iteration 53 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:44,344 INFO L82 PathProgramCache]: Analyzing trace with hash -453659377, now seen corresponding path program 1 times [2018-04-10 15:35:44,345 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:44,349 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:44,510 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 15:35:44,510 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:44,510 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-10 15:35:44,510 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:44,510 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 15:35:44,510 INFO L182 omatonBuilderFactory]: Interpolants [29280#(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))), 29281#(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)))), 29282#(and (= 1 (select |#valid| |main_#t~mem15.base|)) (not (= main_~list~0.base |main_#t~mem15.base|))), 29283#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~end~0.base))), 29284#(= 1 (select |#valid| main_~end~0.base)), 29264#true, 29265#false, 29266#(= 1 (select |#valid| main_~list~0.base)), 29267#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base))), 29268#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 29269#(and (= main_~end~0.base main_~list~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))) (= 1 (select |#valid| main_~end~0.base))), 29270#(and (= 1 (select |#valid| main_~list~0.base)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem3.base|))), 29271#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 29272#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc5.base|)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 29273#(and (not (= main_~list~0.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)))), 29274#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem6.base|))), 29275#(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)))), 29276#(not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 29277#(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)), 29278#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem11.base|) (not (= main_~list~0.base |main_#t~mem11.base|))), 29279#(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)))] [2018-04-10 15:35:44,511 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 15:35:44,511 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-10 15:35:44,511 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-10 15:35:44,511 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2018-04-10 15:35:44,511 INFO L87 Difference]: Start difference. First operand 467 states and 513 transitions. Second operand 21 states. [2018-04-10 15:35:45,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:45,072 INFO L93 Difference]: Finished difference Result 489 states and 536 transitions. [2018-04-10 15:35:45,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-10 15:35:45,072 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 65 [2018-04-10 15:35:45,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:45,073 INFO L225 Difference]: With dead ends: 489 [2018-04-10 15:35:45,073 INFO L226 Difference]: Without dead ends: 489 [2018-04-10 15:35:45,073 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=296, Invalid=1186, Unknown=0, NotChecked=0, Total=1482 [2018-04-10 15:35:45,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2018-04-10 15:35:45,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 465. [2018-04-10 15:35:45,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2018-04-10 15:35:45,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 511 transitions. [2018-04-10 15:35:45,076 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 511 transitions. Word has length 65 [2018-04-10 15:35:45,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:45,076 INFO L459 AbstractCegarLoop]: Abstraction has 465 states and 511 transitions. [2018-04-10 15:35:45,076 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-10 15:35:45,076 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 511 transitions. [2018-04-10 15:35:45,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-10 15:35:45,076 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:45,076 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] [2018-04-10 15:35:45,076 INFO L408 AbstractCegarLoop]: === Iteration 54 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:45,077 INFO L82 PathProgramCache]: Analyzing trace with hash -985801, now seen corresponding path program 1 times [2018-04-10 15:35:45,077 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:45,082 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:45,983 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 15:35:45,983 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:45,983 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-10 15:35:45,983 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:45,983 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 15:35:45,984 INFO L182 omatonBuilderFactory]: Interpolants [30275#true, 30276#false, 30277#(= 0 (select |#valid| 0)), 30278#(and (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|) (= 0 (select |#valid| 0))), 30279#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (= 0 (select |#valid| 0))), 30280#(and (= main_~list~0.offset 0) (= 1 (select |#valid| main_~list~0.base)) (= 0 (select |#valid| 0))), 30281#(and (= main_~list~0.offset 0) (= 1 (select |#valid| main_~list~0.base)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 (select |#valid| 0))), 30282#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 |main_#t~malloc2.offset|) (= ~unnamed2~0~RED (select |#valid| 0)) (= 8 (select |#length| |main_#t~malloc2.base|))), 30283#(and (= main_~list~0.offset 0) (= main_~list~0.offset main_~end~0.offset) (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= ~unnamed2~0~RED (select |#valid| 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| 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))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 30284#(and (= main_~list~0.offset 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= 0 main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= ~unnamed2~0~RED (select |#valid| 0)) (= 0 |main_#t~mem3.offset|) (not (= main_~list~0.base |main_#t~mem3.base|))), 30285#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (or (and (not (= main_~end~0.base main_~list~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset 0) (= 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 |#valid| 0)))), 30286#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (or (= 1 (select |#valid| 0)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= ~unnamed2~0~RED (select |#valid| 0))))), 30287#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (or (and (= 8 (select |#length| (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_~list~0.offset 4)))) (= 1 (select |#valid| 0)))), 30288#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (= main_~end~0.offset main_~list~0.offset) (or (= 1 (select |#valid| 0)) (and (= ~unnamed2~0~RED (select |#valid| 0)) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset)) (+ main_~list~0.offset 4))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset))))) (= main_~list~0.base main_~end~0.base)), 30289#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (= |main_#t~mem11.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (and (= 8 (select |#length| (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_~list~0.offset 4)))) (= 1 (select |#valid| 0))) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 30290#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (or (and (= 8 (select |#length| (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_~list~0.offset 4)))) (= 1 (select |#valid| 0))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 30291#(and (= main_~list~0.offset 0) (not (= 0 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)) |main_#t~mem11.base|) (or (and (= 8 (select |#length| (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_~list~0.offset 4)))) (= 1 (select |#valid| 0)))), 30292#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (or (and (= 8 (select |#length| (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_~list~0.offset 4)))) (= 1 (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)), 30293#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (= 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))) (or (and (= 8 (select |#length| (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_~list~0.offset 4)))) (= 1 (select |#valid| 0)))), 30294#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (or (and (= ~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_~list~0.offset 4))) (= 8 (select |#length| |main_#t~mem15.base|)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| 0)))), 30295#(and (= main_~list~0.offset 0) (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (or (and (= 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_~list~0.offset 4))) (= 8 (select |#length| main_~end~0.base))) (= 1 (select |#valid| 0)))), 30296#(and (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (or (and (= 1 (select (select |#memory_int| main_~end~0.base) (+ 0 4))) (= ~unnamed2~0~RED (select |#valid| 0)) (= 8 (select |#length| main_~end~0.base))) (= 1 (select |#valid| 0)))), 30297#(and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (or (and (= 1 (select (select |#memory_int| main_~end~0.base) (+ 0 4))) (= ~unnamed2~0~RED (select |#valid| 0)) (= 8 (select |#length| main_~end~0.base))) (= 1 (select |#valid| 0)))), 30298#(and (or (and (or (<= 1 main_~list~0.offset) (<= (+ main_~list~0.offset 1) 0) (and (= 1 (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 4))) (= ~unnamed2~0~RED (select |#valid| 0)))) (= 8 (select |#length| main_~list~0.base))) (= 1 (select |#valid| 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 30299#(and (or (not (= main_~list~0.offset 0)) (not (= 0 main_~list~0.base))) (or (and (or (and (or (<= 1 main_~list~0.offset) (<= (+ main_~list~0.offset 1) 0) (and (= 1 (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 4))) (= ~unnamed2~0~RED (select |#valid| 0)))) (= 8 (select |#length| main_~list~0.base))) (= 1 (select |#valid| 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.base))), 30300#(and (or (not (= main_~list~0.offset 0)) (not (= 0 main_~list~0.base))) (or (and (or (= 1 (select |#valid| 0)) (and (= (select |#length| main_~list~0.base) 8) (or (and (= ~unnamed2~0~RED (select |#valid| 0)) (= 1 |main_#t~mem12|)) (<= (+ main_~list~0.offset 1) 0)))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.base))), 30301#(and (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (or (= 1 (select |#valid| 0)) (and (= (select |#length| main_~list~0.base) 8) (<= (+ main_~list~0.offset 1) 0)))) (= 0 main_~list~0.base)) (or (not (= main_~list~0.offset 0)) (not (= 0 main_~list~0.base)))), 30302#(and (or (not (= main_~list~0.offset 0)) (not (= 0 main_~list~0.base))) (or (and (= 0 |main_#t~mem13.base|) (= 1 (select |#valid| 0))) (= 0 main_~list~0.base))), 30303#(and (or (not (= main_~list~0.offset 0)) (not (= 0 main_~list~0.base))) (or (and (= 0 main_~end~0.base) (= 1 (select |#valid| 0))) (= 0 main_~list~0.base))), 30304#(and (= 0 main_~end~0.base) (not (= 0 main_~list~0.base)) (= 1 (select |#valid| 0))), 30305#(and (= 0 main_~end~0.base) (= 1 (select |#valid| 0)))] [2018-04-10 15:35:45,984 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 15:35:45,984 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-10 15:35:45,984 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-10 15:35:45,984 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=842, Unknown=0, NotChecked=0, Total=930 [2018-04-10 15:35:45,984 INFO L87 Difference]: Start difference. First operand 465 states and 511 transitions. Second operand 31 states. [2018-04-10 15:35:47,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:47,508 INFO L93 Difference]: Finished difference Result 492 states and 538 transitions. [2018-04-10 15:35:47,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-10 15:35:47,508 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 66 [2018-04-10 15:35:47,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:47,510 INFO L225 Difference]: With dead ends: 492 [2018-04-10 15:35:47,510 INFO L226 Difference]: Without dead ends: 491 [2018-04-10 15:35:47,510 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 771 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=378, Invalid=2814, Unknown=0, NotChecked=0, Total=3192 [2018-04-10 15:35:47,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2018-04-10 15:35:47,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 485. [2018-04-10 15:35:47,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 485 states. [2018-04-10 15:35:47,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 531 transitions. [2018-04-10 15:35:47,513 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 531 transitions. Word has length 66 [2018-04-10 15:35:47,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:47,513 INFO L459 AbstractCegarLoop]: Abstraction has 485 states and 531 transitions. [2018-04-10 15:35:47,513 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-10 15:35:47,513 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 531 transitions. [2018-04-10 15:35:47,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-10 15:35:47,513 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:47,514 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:35:47,514 INFO L408 AbstractCegarLoop]: === Iteration 55 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:47,514 INFO L82 PathProgramCache]: Analyzing trace with hash -2024668696, now seen corresponding path program 3 times [2018-04-10 15:35:47,515 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:47,523 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:47,778 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 15:35:47,778 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:47,778 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-10 15:35:47,778 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:47,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:47,779 INFO L182 omatonBuilderFactory]: Interpolants [31335#true, 31336#false, 31337#(= (select |#valid| main_~list~0.base) 1), 31338#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 31339#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 31340#(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)))), 31341#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= |main_#t~mem3.offset| (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~mem3.base|))), 31342#(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))), 31343#(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))), 31344#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.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~malloc2.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 31345#(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))), 31346#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= |main_#t~mem3.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~mem3.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~mem3.base|))), 31347#(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)))), 31348#(and (= 0 (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))))), 31349#(and (= 0 (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)))) (= 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))))), 31350#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|)))), 31351#(and (= 0 (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))) (= 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)))), 31352#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))), 31353#(and (= 0 (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))), 31354#(and (= 0 |main_#t~mem9.offset|) (= 0 |main_#t~mem9.base|)), 31355#(and (= main_~end~0.offset 0) (= main_~end~0.base 0))] [2018-04-10 15:35:47,779 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 15:35:47,779 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-10 15:35:47,779 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-10 15:35:47,779 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2018-04-10 15:35:47,779 INFO L87 Difference]: Start difference. First operand 485 states and 531 transitions. Second operand 21 states. [2018-04-10 15:35:48,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:48,740 INFO L93 Difference]: Finished difference Result 500 states and 539 transitions. [2018-04-10 15:35:48,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-10 15:35:48,740 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 66 [2018-04-10 15:35:48,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:48,741 INFO L225 Difference]: With dead ends: 500 [2018-04-10 15:35:48,741 INFO L226 Difference]: Without dead ends: 496 [2018-04-10 15:35:48,741 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=206, Invalid=1600, Unknown=0, NotChecked=0, Total=1806 [2018-04-10 15:35:48,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2018-04-10 15:35:48,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 484. [2018-04-10 15:35:48,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2018-04-10 15:35:48,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 529 transitions. [2018-04-10 15:35:48,744 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 529 transitions. Word has length 66 [2018-04-10 15:35:48,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:48,744 INFO L459 AbstractCegarLoop]: Abstraction has 484 states and 529 transitions. [2018-04-10 15:35:48,744 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-10 15:35:48,744 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 529 transitions. [2018-04-10 15:35:48,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-10 15:35:48,744 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:48,744 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-10 15:35:48,744 INFO L408 AbstractCegarLoop]: === Iteration 56 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:48,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1306654089, now seen corresponding path program 1 times [2018-04-10 15:35:48,745 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:48,752 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:49,186 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:49,186 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:49,186 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-10 15:35:49,186 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:49,187 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 15:35:49,187 INFO L182 omatonBuilderFactory]: Interpolants [32384#true, 32385#false, 32386#(= 0 |main_#t~malloc0.offset|), 32387#(= 0 main_~list~0.offset), 32388#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 32389#(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)), 32390#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset)), 32391#(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)))), 32392#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (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~mem3.base|))), 32393#(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))), 32394#(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))), 32395#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.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~malloc2.base|)) (= 0 main_~list~0.offset) (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 32396#(and (= 8 (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))), 32397#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 8 (select |#length| |main_#t~mem3.base|)) (= 0 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 (select |#memory_$Pointer$.base| (select (select |#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~mem3.base|) (not (= main_~list~0.base |main_#t~mem3.base|))), 32398#(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) (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))) (= 8 (select |#length| main_~end~0.base))), 32399#(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) (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) (= 8 (select |#length| main_~end~0.base))), 32400#(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))) (= 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))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| main_~list~0.offset) (= 8 (select |#length| main_~end~0.base))), 32401#(and (= (select |#length| main_~end~0.base) 8) (= (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)))), 32402#(and (= |main_#t~mem6.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))) (<= 8 (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 (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|))), 32403#(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))) (<= 8 (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))), 32404#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~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))) (<= 8 (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)))))), 32405#(or (and (<= 8 (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)))) (= 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)))) (and (= 0 (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)))), 32406#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|)))), 32407#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (<= 8 (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)))), 32408#(and (<= 8 (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))), 32409#(and (= 0 |main_#t~mem9.offset|) (<= 8 (select |#length| |main_#t~mem9.base|))), 32410#(and (= main_~end~0.offset 0) (<= 8 (select |#length| main_~end~0.base)))] [2018-04-10 15:35:49,187 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:49,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-10 15:35:49,187 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-10 15:35:49,187 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=615, Unknown=0, NotChecked=0, Total=702 [2018-04-10 15:35:49,187 INFO L87 Difference]: Start difference. First operand 484 states and 529 transitions. Second operand 27 states. [2018-04-10 15:35:50,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:50,852 INFO L93 Difference]: Finished difference Result 583 states and 635 transitions. [2018-04-10 15:35:50,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-04-10 15:35:50,853 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 66 [2018-04-10 15:35:50,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:50,854 INFO L225 Difference]: With dead ends: 583 [2018-04-10 15:35:50,854 INFO L226 Difference]: Without dead ends: 583 [2018-04-10 15:35:50,854 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 972 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=630, Invalid=3402, Unknown=0, NotChecked=0, Total=4032 [2018-04-10 15:35:50,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2018-04-10 15:35:50,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 511. [2018-04-10 15:35:50,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2018-04-10 15:35:50,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 559 transitions. [2018-04-10 15:35:50,857 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 559 transitions. Word has length 66 [2018-04-10 15:35:50,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:50,857 INFO L459 AbstractCegarLoop]: Abstraction has 511 states and 559 transitions. [2018-04-10 15:35:50,857 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-10 15:35:50,857 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 559 transitions. [2018-04-10 15:35:50,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-10 15:35:50,857 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:50,857 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-10 15:35:50,858 INFO L408 AbstractCegarLoop]: === Iteration 57 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:50,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1306654088, now seen corresponding path program 1 times [2018-04-10 15:35:50,858 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:50,864 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:51,188 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:51,188 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:51,188 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-10 15:35:51,188 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:51,189 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 15:35:51,189 INFO L182 omatonBuilderFactory]: Interpolants [33600#(or (and (= 0 (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))) (= 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))))), 33601#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)))), 33602#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 33603#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 33604#(= 1 (select |#valid| |main_#t~mem9.base|)), 33605#(= 1 (select |#valid| main_~end~0.base)), 33579#true, 33580#false, 33581#(= 0 |main_#t~malloc0.offset|), 33582#(= 0 main_~list~0.offset), 33583#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 33584#(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)), 33585#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset)), 33586#(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)))), 33587#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (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~mem3.base|))), 33588#(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))), 33589#(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))), 33590#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.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~malloc2.base|)) (= 0 main_~list~0.offset) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 33591#(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))), 33592#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 main_~list~0.offset) (= |main_#t~mem3.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~mem3.base|))), 33593#(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) (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)))), 33594#(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))) (= 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~malloc5.base|)) (= |main_#t~malloc5.offset| main_~list~0.offset)), 33595#(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))) (= 1 (select |#valid| main_~end~0.base))), 33596#(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)))) (= |main_#t~mem6.offset| main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|))), 33597#(or (and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base)) (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))))), 33598#(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 (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset)) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)))), 33599#(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 (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))] [2018-04-10 15:35:51,189 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:51,189 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-10 15:35:51,189 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-10 15:35:51,189 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=619, Unknown=0, NotChecked=0, Total=702 [2018-04-10 15:35:51,189 INFO L87 Difference]: Start difference. First operand 511 states and 559 transitions. Second operand 27 states. [2018-04-10 15:35:52,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:52,772 INFO L93 Difference]: Finished difference Result 577 states and 629 transitions. [2018-04-10 15:35:52,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-04-10 15:35:52,772 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 66 [2018-04-10 15:35:52,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:52,773 INFO L225 Difference]: With dead ends: 577 [2018-04-10 15:35:52,773 INFO L226 Difference]: Without dead ends: 577 [2018-04-10 15:35:52,774 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1079 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=754, Invalid=3668, Unknown=0, NotChecked=0, Total=4422 [2018-04-10 15:35:52,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2018-04-10 15:35:52,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 511. [2018-04-10 15:35:52,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2018-04-10 15:35:52,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 558 transitions. [2018-04-10 15:35:52,777 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 558 transitions. Word has length 66 [2018-04-10 15:35:52,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:52,777 INFO L459 AbstractCegarLoop]: Abstraction has 511 states and 558 transitions. [2018-04-10 15:35:52,777 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-10 15:35:52,777 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 558 transitions. [2018-04-10 15:35:52,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-10 15:35:52,777 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:52,777 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-10 15:35:52,778 INFO L408 AbstractCegarLoop]: === Iteration 58 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:52,778 INFO L82 PathProgramCache]: Analyzing trace with hash 2028574939, now seen corresponding path program 2 times [2018-04-10 15:35:52,778 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:52,786 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:53,256 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:53,256 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:53,256 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-10 15:35:53,256 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:53,256 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 15:35:53,257 INFO L182 omatonBuilderFactory]: Interpolants [34774#true, 34775#false, 34776#(= 0 |main_#t~malloc0.offset|), 34777#(= 0 main_~list~0.offset), 34778#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 34779#(and (= 1 (select |#valid| main_~list~0.base)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset)), 34780#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset)), 34781#(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)))), 34782#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (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~mem3.base|))), 34783#(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))), 34784#(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))), 34785#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc5.base|)) (= 8 (select |#length| |main_#t~malloc5.base|)) (not (= |main_#t~malloc5.base| main_~end~0.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))), 34786#(and (= 8 (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))) (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 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))) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 34787#(and (= |main_#t~mem6.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 main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= |main_#t~mem6.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))) (not (= main_~list~0.base |main_#t~mem6.base|)) (= 8 (select |#length| |main_#t~mem6.base|))), 34788#(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 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| (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))) (= 8 (select |#length| main_~end~0.base))), 34789#(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))) (= |main_#t~malloc2.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))) (= 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))) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 8 (select |#length| main_~end~0.base))), 34790#(and (= (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) (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))) (= 8 (select |#length| main_~end~0.base))), 34791#(and (= |main_#t~mem3.offset| main_~list~0.offset) (= 8 (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| (select (select |#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~mem3.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 34792#(or (and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base)) (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))) (= 8 (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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 34793#(or (and (= 8 (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| (select (select |#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 (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset)) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)))), 34794#(or (and (= 8 (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| (select (select |#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 (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 34795#(or (and (= 8 (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)))) (= 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)))) (and (= 0 (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)))), 34796#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|)))), 34797#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (= 8 (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)))), 34798#(and (= 8 (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))), 34799#(and (= 0 |main_#t~mem9.offset|) (= 8 (select |#length| |main_#t~mem9.base|))), 34800#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base)))] [2018-04-10 15:35:53,257 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:53,257 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-10 15:35:53,257 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-10 15:35:53,257 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=612, Unknown=0, NotChecked=0, Total=702 [2018-04-10 15:35:53,257 INFO L87 Difference]: Start difference. First operand 511 states and 558 transitions. Second operand 27 states. [2018-04-10 15:35:54,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:54,884 INFO L93 Difference]: Finished difference Result 593 states and 645 transitions. [2018-04-10 15:35:54,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-10 15:35:54,884 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 66 [2018-04-10 15:35:54,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:54,886 INFO L225 Difference]: With dead ends: 593 [2018-04-10 15:35:54,886 INFO L226 Difference]: Without dead ends: 593 [2018-04-10 15:35:54,886 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 802 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=560, Invalid=2980, Unknown=0, NotChecked=0, Total=3540 [2018-04-10 15:35:54,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2018-04-10 15:35:54,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 518. [2018-04-10 15:35:54,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 518 states. [2018-04-10 15:35:54,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 566 transitions. [2018-04-10 15:35:54,889 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 566 transitions. Word has length 66 [2018-04-10 15:35:54,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:54,889 INFO L459 AbstractCegarLoop]: Abstraction has 518 states and 566 transitions. [2018-04-10 15:35:54,889 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-10 15:35:54,889 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 566 transitions. [2018-04-10 15:35:54,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-10 15:35:54,890 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:54,890 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-10 15:35:54,890 INFO L408 AbstractCegarLoop]: === Iteration 59 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:54,890 INFO L82 PathProgramCache]: Analyzing trace with hash 2028574938, now seen corresponding path program 2 times [2018-04-10 15:35:54,890 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:54,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:54,897 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:55,249 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:55,250 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:55,250 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-10 15:35:55,250 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:55,250 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 15:35:55,250 INFO L182 omatonBuilderFactory]: Interpolants [35978#true, 35979#false, 35980#(= 0 |main_#t~malloc0.offset|), 35981#(= 0 main_~list~0.offset), 35982#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 35983#(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)), 35984#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset)), 35985#(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)))), 35986#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (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~mem3.base|))), 35987#(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))), 35988#(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))), 35989#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc5.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_~end~0.base |main_#t~malloc5.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 35990#(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)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 35991#(and (= |main_#t~mem6.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| (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~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|))), 35992#(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) (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)))), 35993#(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))) (= 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))) (or (= |main_#t~malloc2.offset| main_~list~0.offset) (not (= main_~list~0.base |main_#t~malloc2.base|))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc2.base|))), 35994#(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| 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))) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset))), 35995#(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~mem3.base|)) (or (= |main_#t~mem3.offset| main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem3.base|)))), 35996#(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))), 35997#(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 (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 35998#(or (and (= 0 (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))) (= 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))))), 35999#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)))), 36000#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 36001#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 36002#(= 1 (select |#valid| |main_#t~mem9.base|)), 36003#(= 1 (select |#valid| main_~end~0.base))] [2018-04-10 15:35:55,250 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:55,250 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-10 15:35:55,250 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-10 15:35:55,250 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=573, Unknown=0, NotChecked=0, Total=650 [2018-04-10 15:35:55,251 INFO L87 Difference]: Start difference. First operand 518 states and 566 transitions. Second operand 26 states. [2018-04-10 15:35:56,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:56,730 INFO L93 Difference]: Finished difference Result 586 states and 638 transitions. [2018-04-10 15:35:56,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-04-10 15:35:56,730 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 66 [2018-04-10 15:35:56,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:56,731 INFO L225 Difference]: With dead ends: 586 [2018-04-10 15:35:56,731 INFO L226 Difference]: Without dead ends: 586 [2018-04-10 15:35:56,732 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 985 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=689, Invalid=3343, Unknown=0, NotChecked=0, Total=4032 [2018-04-10 15:35:56,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2018-04-10 15:35:56,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 493. [2018-04-10 15:35:56,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2018-04-10 15:35:56,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 538 transitions. [2018-04-10 15:35:56,737 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 538 transitions. Word has length 66 [2018-04-10 15:35:56,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:56,737 INFO L459 AbstractCegarLoop]: Abstraction has 493 states and 538 transitions. [2018-04-10 15:35:56,737 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-10 15:35:56,737 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 538 transitions. [2018-04-10 15:35:56,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-04-10 15:35:56,738 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:56,738 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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 15:35:56,738 INFO L408 AbstractCegarLoop]: === Iteration 60 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:56,738 INFO L82 PathProgramCache]: Analyzing trace with hash -965097245, now seen corresponding path program 1 times [2018-04-10 15:35:56,739 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:56,747 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:57,009 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:57,010 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:57,010 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-10 15:35:57,010 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:57,010 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 15:35:57,010 INFO L182 omatonBuilderFactory]: Interpolants [37159#true, 37160#false, 37161#(= (select |#valid| main_~list~0.base) 1), 37162#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 37163#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 37164#(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)))), 37165#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= |main_#t~mem3.offset| (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~mem3.base|))), 37166#(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))), 37167#(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))), 37168#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.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~malloc2.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 37169#(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))), 37170#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= |main_#t~mem3.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~mem3.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~mem3.base|))), 37171#(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)))), 37172#(and (= 0 (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))))), 37173#(and (= 0 (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)))) (= 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))))), 37174#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|)))), 37175#(and (= 0 (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))) (= 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)))), 37176#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem9.base|) |main_#t~mem9.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem9.base|) |main_#t~mem9.offset|))), 37177#(and (= 0 (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))), 37178#(and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)), 37179#(and (= main_~end~0.offset 0) (= main_~end~0.base 0))] [2018-04-10 15:35:57,010 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:57,010 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-10 15:35:57,010 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-10 15:35:57,011 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2018-04-10 15:35:57,011 INFO L87 Difference]: Start difference. First operand 493 states and 538 transitions. Second operand 21 states. [2018-04-10 15:35:57,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:57,863 INFO L93 Difference]: Finished difference Result 481 states and 518 transitions. [2018-04-10 15:35:57,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-10 15:35:57,863 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 67 [2018-04-10 15:35:57,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:57,864 INFO L225 Difference]: With dead ends: 481 [2018-04-10 15:35:57,864 INFO L226 Difference]: Without dead ends: 481 [2018-04-10 15:35:57,865 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=184, Invalid=1456, Unknown=0, NotChecked=0, Total=1640 [2018-04-10 15:35:57,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-04-10 15:35:57,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 477. [2018-04-10 15:35:57,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2018-04-10 15:35:57,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 514 transitions. [2018-04-10 15:35:57,867 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 514 transitions. Word has length 67 [2018-04-10 15:35:57,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:57,867 INFO L459 AbstractCegarLoop]: Abstraction has 477 states and 514 transitions. [2018-04-10 15:35:57,867 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-10 15:35:57,867 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 514 transitions. [2018-04-10 15:35:57,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-04-10 15:35:57,868 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:57,868 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] [2018-04-10 15:35:57,868 INFO L408 AbstractCegarLoop]: === Iteration 61 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:57,868 INFO L82 PathProgramCache]: Analyzing trace with hash 930582019, now seen corresponding path program 3 times [2018-04-10 15:35:57,868 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:57,872 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:57,992 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 15:35:57,993 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:57,993 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-10 15:35:57,993 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:57,993 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 15:35:57,993 INFO L182 omatonBuilderFactory]: Interpolants [38178#true, 38179#false, 38180#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 38181#(and (= |main_#t~mem11.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 38182#(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))), 38183#(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~mem11.base|) (= |main_#t~mem11.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)))), 38184#(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))) (= (select (select |#memory_$Pointer$.base| (select (select |#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)), 38185#(and (= 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))) (= 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)))), 38186#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 38187#(and (= 0 (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))), 38188#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 38189#(and (= 0 |main_#t~mem15.offset|) (= 0 |main_#t~mem15.base|)), 38190#(and (= 0 main_~end~0.base) (= 0 main_~end~0.offset)), 38191#(and (= main_~list~0.offset 0) (= 0 main_~list~0.base))] [2018-04-10 15:35:57,993 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 15:35:57,993 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-10 15:35:57,993 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-10 15:35:57,993 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-04-10 15:35:57,993 INFO L87 Difference]: Start difference. First operand 477 states and 514 transitions. Second operand 14 states. [2018-04-10 15:35:58,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:35:58,429 INFO L93 Difference]: Finished difference Result 590 states and 635 transitions. [2018-04-10 15:35:58,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-10 15:35:58,430 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 69 [2018-04-10 15:35:58,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:35:58,431 INFO L225 Difference]: With dead ends: 590 [2018-04-10 15:35:58,431 INFO L226 Difference]: Without dead ends: 590 [2018-04-10 15:35:58,431 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=474, Unknown=0, NotChecked=0, Total=552 [2018-04-10 15:35:58,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2018-04-10 15:35:58,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 526. [2018-04-10 15:35:58,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2018-04-10 15:35:58,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 574 transitions. [2018-04-10 15:35:58,434 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 574 transitions. Word has length 69 [2018-04-10 15:35:58,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:35:58,434 INFO L459 AbstractCegarLoop]: Abstraction has 526 states and 574 transitions. [2018-04-10 15:35:58,434 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-10 15:35:58,434 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 574 transitions. [2018-04-10 15:35:58,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-04-10 15:35:58,435 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:35:58,435 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 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] [2018-04-10 15:35:58,435 INFO L408 AbstractCegarLoop]: === Iteration 62 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:35:58,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1122577294, now seen corresponding path program 6 times [2018-04-10 15:35:58,435 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:35:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:35:58,441 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:35:58,764 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:58,764 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:35:58,764 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-10 15:35:58,765 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:35:58,765 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 15:35:58,765 INFO L182 omatonBuilderFactory]: Interpolants [39329#true, 39330#false, 39331#(= 0 |main_#t~malloc0.offset|), 39332#(= 0 main_~list~0.offset), 39333#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 39334#(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)), 39335#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset)), 39336#(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)))), 39337#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (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~mem3.base|))), 39338#(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))), 39339#(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))), 39340#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.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~malloc2.base|)) (= 0 main_~list~0.offset) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 39341#(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))), 39342#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 main_~list~0.offset) (= |main_#t~mem3.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~mem3.base|))), 39343#(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) (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)))), 39344#(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))) (= |main_#t~malloc2.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) |main_#t~malloc2.base|))), 39345#(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)))) (= (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)))), 39346#(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~mem3.base|)) (= |main_#t~mem3.offset| main_~list~0.offset)), 39347#(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))), 39348#(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 (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 39349#(or (and (= 0 (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))) (= 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))))), 39350#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)))), 39351#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 39352#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 39353#(= 1 (select |#valid| |main_#t~mem11.base|)), 39354#(= 1 (select |#valid| main_~end~0.base))] [2018-04-10 15:35:58,765 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:35:58,765 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-10 15:35:58,765 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-10 15:35:58,765 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=573, Unknown=0, NotChecked=0, Total=650 [2018-04-10 15:35:58,765 INFO L87 Difference]: Start difference. First operand 526 states and 574 transitions. Second operand 26 states. [2018-04-10 15:36:00,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:36:00,369 INFO L93 Difference]: Finished difference Result 608 states and 661 transitions. [2018-04-10 15:36:00,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-04-10 15:36:00,369 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 69 [2018-04-10 15:36:00,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:36:00,370 INFO L225 Difference]: With dead ends: 608 [2018-04-10 15:36:00,370 INFO L226 Difference]: Without dead ends: 608 [2018-04-10 15:36:00,370 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1104 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=760, Invalid=3662, Unknown=0, NotChecked=0, Total=4422 [2018-04-10 15:36:00,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2018-04-10 15:36:00,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 533. [2018-04-10 15:36:00,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2018-04-10 15:36:00,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 584 transitions. [2018-04-10 15:36:00,373 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 584 transitions. Word has length 69 [2018-04-10 15:36:00,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:36:00,373 INFO L459 AbstractCegarLoop]: Abstraction has 533 states and 584 transitions. [2018-04-10 15:36:00,373 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-10 15:36:00,373 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 584 transitions. [2018-04-10 15:36:00,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-04-10 15:36:00,374 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:36:00,374 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 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] [2018-04-10 15:36:00,374 INFO L408 AbstractCegarLoop]: === Iteration 63 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:36:00,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1122577295, now seen corresponding path program 4 times [2018-04-10 15:36:00,374 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:36:00,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:36:00,381 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:36:00,855 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:36:00,855 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:36:00,855 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-10 15:36:00,855 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:36:00,855 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 15:36:00,856 INFO L182 omatonBuilderFactory]: Interpolants [40578#true, 40579#false, 40580#(= 0 |main_#t~malloc0.offset|), 40581#(= 0 main_~list~0.offset), 40582#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 40583#(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)), 40584#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#length| |main_#t~malloc2.base|) 8)), 40585#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 8) (= (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)))), 40586#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select |#length| |main_#t~mem3.base|) 8) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem3.base|))), 40587#(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) (= 8 (select |#length| main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 40588#(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) (= 8 (select |#length| main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 40589#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.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~malloc2.base|)) (= 0 main_~list~0.offset) (= 0 |main_#t~malloc2.offset|) (= (select |#length| main_~end~0.base) (select |#length| |main_#t~malloc2.base|)) (= 8 (select |#length| main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 40590#(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) (= 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) (= (select |#length| main_~end~0.base) (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))) (= 8 (select |#length| main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 40591#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 8 (select |#length| |main_#t~mem3.base|)) (= 0 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 (select |#memory_$Pointer$.base| (select (select |#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~mem3.base|) (not (= main_~list~0.base |main_#t~mem3.base|))), 40592#(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) (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))) (= 8 (select |#length| main_~end~0.base))), 40593#(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))) (= |main_#t~malloc2.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))) (= 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))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc2.base|)) (= 8 (select |#length| main_~end~0.base))), 40594#(and (= (select |#length| main_~end~0.base) 8) (= (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)))), 40595#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= |main_#t~mem3.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))) (<= 8 (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))))), 40596#(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))) (<= 8 (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))), 40597#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~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))) (<= 8 (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)))))), 40598#(or (and (<= 8 (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)))) (= 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)))) (and (= 0 (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)))), 40599#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|)))), 40600#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (<= 8 (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)))), 40601#(and (<= 8 (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))), 40602#(and (<= 8 (select |#length| |main_#t~mem11.base|)) (= 0 |main_#t~mem11.offset|)), 40603#(and (= main_~end~0.offset 0) (<= 8 (select |#length| main_~end~0.base)))] [2018-04-10 15:36:00,856 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:36:00,856 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-10 15:36:00,856 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-10 15:36:00,856 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=569, Unknown=0, NotChecked=0, Total=650 [2018-04-10 15:36:00,856 INFO L87 Difference]: Start difference. First operand 533 states and 584 transitions. Second operand 26 states. [2018-04-10 15:36:02,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:36:02,929 INFO L93 Difference]: Finished difference Result 616 states and 670 transitions. [2018-04-10 15:36:02,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-04-10 15:36:02,929 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 69 [2018-04-10 15:36:02,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:36:02,931 INFO L225 Difference]: With dead ends: 616 [2018-04-10 15:36:02,931 INFO L226 Difference]: Without dead ends: 616 [2018-04-10 15:36:02,931 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 878 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=602, Invalid=3180, Unknown=0, NotChecked=0, Total=3782 [2018-04-10 15:36:02,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2018-04-10 15:36:02,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 528. [2018-04-10 15:36:02,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2018-04-10 15:36:02,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 577 transitions. [2018-04-10 15:36:02,934 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 577 transitions. Word has length 69 [2018-04-10 15:36:02,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:36:02,934 INFO L459 AbstractCegarLoop]: Abstraction has 528 states and 577 transitions. [2018-04-10 15:36:02,934 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-10 15:36:02,935 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 577 transitions. [2018-04-10 15:36:02,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-04-10 15:36:02,935 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:36:02,935 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 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] [2018-04-10 15:36:02,935 INFO L408 AbstractCegarLoop]: === Iteration 64 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:36:02,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1261219793, now seen corresponding path program 5 times [2018-04-10 15:36:02,936 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:36:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:36:02,943 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:36:03,302 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 15:36:03,302 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:36:03,302 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-10 15:36:03,302 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:36:03,303 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 15:36:03,303 INFO L182 omatonBuilderFactory]: Interpolants [41820#true, 41821#false, 41822#(= 0 |main_#t~malloc0.offset|), 41823#(= 0 main_~list~0.offset), 41824#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 41825#(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)), 41826#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset)), 41827#(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)))), 41828#(and (= |main_#t~mem3.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) (not (= main_~list~0.base |main_#t~mem3.base|))), 41829#(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)), 41830#(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~malloc2.base|)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 41831#(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)) (= (select |#valid| main_~list~0.base) 1)), 41832#(and (= 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) (not (= main_~list~0.base |main_#t~mem3.base|))), 41833#(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)), 41834#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc2.base|)) (= 0 main_~list~0.offset)), 41835#(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)))), 41836#(and (or (= |main_#t~mem3.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~mem3.base|))), 41837#(and (not (= main_~end~0.base main_~list~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)), 41838#(and (not (= main_~end~0.base main_~list~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))) (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~malloc5.offset| main_~list~0.offset)), 41839#(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))) (= (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)))), 41840#(and (or (= |main_#t~mem6.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~mem6.offset| main_~list~0.offset)), 41841#(or (and (not (= main_~end~0.base main_~list~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))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 41842#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 41843#(or (and (= 0 (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))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 41844#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (= 1 (select |#valid| |main_#t~mem11.base|))), 41845#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 1 (select |#valid| main_~end~0.base))), 41846#(= 1 (select |#valid| main_~end~0.base))] [2018-04-10 15:36:03,303 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 15:36:03,303 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-10 15:36:03,303 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-10 15:36:03,304 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=603, Unknown=0, NotChecked=0, Total=702 [2018-04-10 15:36:03,304 INFO L87 Difference]: Start difference. First operand 528 states and 577 transitions. Second operand 27 states. [2018-04-10 15:36:04,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:36:04,748 INFO L93 Difference]: Finished difference Result 671 states and 731 transitions. [2018-04-10 15:36:04,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-04-10 15:36:04,748 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 69 [2018-04-10 15:36:04,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:36:04,750 INFO L225 Difference]: With dead ends: 671 [2018-04-10 15:36:04,750 INFO L226 Difference]: Without dead ends: 671 [2018-04-10 15:36:04,750 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1127 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=951, Invalid=3339, Unknown=0, NotChecked=0, Total=4290 [2018-04-10 15:36:04,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2018-04-10 15:36:04,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 528. [2018-04-10 15:36:04,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2018-04-10 15:36:04,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 577 transitions. [2018-04-10 15:36:04,753 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 577 transitions. Word has length 69 [2018-04-10 15:36:04,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:36:04,753 INFO L459 AbstractCegarLoop]: Abstraction has 528 states and 577 transitions. [2018-04-10 15:36:04,753 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-10 15:36:04,753 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 577 transitions. [2018-04-10 15:36:04,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-04-10 15:36:04,754 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:36:04,754 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 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] [2018-04-10 15:36:04,754 INFO L408 AbstractCegarLoop]: === Iteration 65 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:36:04,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1439982977, now seen corresponding path program 6 times [2018-04-10 15:36:04,754 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:36:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:36:04,761 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:36:05,156 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 15:36:05,157 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:36:05,157 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-10 15:36:05,157 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:36:05,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:36:05,157 INFO L182 omatonBuilderFactory]: Interpolants [43136#(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~mem3.base|))), 43137#(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)))), 43138#(and (not (= main_~end~0.base main_~list~0.base)) (or (not (= main_~list~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| main_~list~0.offset)) (= 0 main_~list~0.offset) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 43139#(and (= 0 main_~list~0.offset) (or (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)) (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)))), 43140#(and (or (= |main_#t~mem6.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) (or (= |main_#t~mem6.offset| main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem6.base|)))), 43141#(or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset)) (and (not (= main_~end~0.base main_~list~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))), 43142#(or (and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= 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)) (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~malloc2.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~malloc2.offset| main_~list~0.offset)) (and (= |main_#t~malloc2.base| main_~list~0.base) (= |main_#t~malloc2.offset| main_~list~0.offset))), 43143#(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))) (= (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)))) (and (= main_~end~0.base main_~list~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)))) (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))), 43144#(or (and (= |main_#t~mem3.offset| main_~list~0.offset) (= |main_#t~mem3.base| main_~list~0.base)) (and (= |main_#t~mem3.offset| main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem3.base|)))), 43145#(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 (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))), 43146#(and (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= 1 (select |#valid| main_~end~0.base))), 43147#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 43148#(or (and (= 0 (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))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 43149#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (= 1 (select |#valid| |main_#t~mem11.base|))), 43150#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 1 (select |#valid| main_~end~0.base))), 43151#(= 1 (select |#valid| main_~end~0.base)), 43124#true, 43125#false, 43126#(= 0 |main_#t~malloc0.offset|), 43127#(= 0 main_~list~0.offset), 43128#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 43129#(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)), 43130#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset)), 43131#(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)))), 43132#(and (= |main_#t~mem3.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) (not (= main_~list~0.base |main_#t~mem3.base|))), 43133#(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)), 43134#(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~malloc2.base|)) (= 0 main_~list~0.offset)), 43135#(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)))] [2018-04-10 15:36:05,157 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 15:36:05,157 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-10 15:36:05,158 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-10 15:36:05,158 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=652, Unknown=0, NotChecked=0, Total=756 [2018-04-10 15:36:05,158 INFO L87 Difference]: Start difference. First operand 528 states and 577 transitions. Second operand 28 states. [2018-04-10 15:36:07,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:36:07,303 INFO L93 Difference]: Finished difference Result 681 states and 741 transitions. [2018-04-10 15:36:07,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-04-10 15:36:07,304 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 69 [2018-04-10 15:36:07,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:36:07,305 INFO L225 Difference]: With dead ends: 681 [2018-04-10 15:36:07,305 INFO L226 Difference]: Without dead ends: 681 [2018-04-10 15:36:07,305 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1542 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1278, Invalid=4272, Unknown=0, NotChecked=0, Total=5550 [2018-04-10 15:36:07,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2018-04-10 15:36:07,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 556. [2018-04-10 15:36:07,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2018-04-10 15:36:07,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 609 transitions. [2018-04-10 15:36:07,309 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 609 transitions. Word has length 69 [2018-04-10 15:36:07,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:36:07,309 INFO L459 AbstractCegarLoop]: Abstraction has 556 states and 609 transitions. [2018-04-10 15:36:07,309 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-10 15:36:07,309 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 609 transitions. [2018-04-10 15:36:07,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-04-10 15:36:07,309 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:36:07,309 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 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] [2018-04-10 15:36:07,309 INFO L408 AbstractCegarLoop]: === Iteration 66 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:36:07,310 INFO L82 PathProgramCache]: Analyzing trace with hash 1439982978, now seen corresponding path program 5 times [2018-04-10 15:36:07,310 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:36:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:36:07,319 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:36:07,769 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 15:36:07,769 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:36:07,769 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-10 15:36:07,769 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:36:07,770 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 15:36:07,770 INFO L182 omatonBuilderFactory]: Interpolants [44483#true, 44484#false, 44485#(= 0 |main_#t~malloc0.offset|), 44486#(= 0 main_~list~0.offset), 44487#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 44488#(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)), 44489#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|))), 44490#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 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)))), 44491#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| |main_#t~mem3.base|)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem3.base|))), 44492#(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_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 44493#(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~malloc2.base|)) (= 0 main_~list~0.offset) (= 8 (select |#length| main_~end~0.base))), 44494#(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) (= 8 (select |#length| main_~end~0.base))), 44495#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem3.base|))), 44496#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 main_~list~0.offset)), 44497#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (or (not (= main_~list~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| main_~list~0.offset)) (= 0 main_~list~0.offset)), 44498#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (or (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))), 44499#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (or (= |main_#t~mem6.offset| main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem6.base|)))), 44500#(or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 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)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset))), 44501#(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)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~malloc2.offset| main_~list~0.offset)) (and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|))) (and (= |main_#t~malloc2.base| main_~list~0.base) (= |main_#t~malloc2.offset| main_~list~0.offset))), 44502#(or (and (= main_~end~0.base main_~list~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| 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)))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (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)) (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))), 44503#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem3.base|))) (and (= |main_#t~mem3.offset| main_~list~0.offset) (= |main_#t~mem3.base| main_~list~0.base))), 44504#(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)) (= 8 (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))), 44505#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 44506#(or (and (= 8 (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))) (and (= 0 (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)))), 44507#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (and (= 0 |main_#t~mem11.offset|) (= 8 (select |#length| |main_#t~mem11.base|)))), 44508#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base)))), 44509#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base)))] [2018-04-10 15:36:07,770 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 15:36:07,770 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-10 15:36:07,770 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-10 15:36:07,770 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=599, Unknown=0, NotChecked=0, Total=702 [2018-04-10 15:36:07,770 INFO L87 Difference]: Start difference. First operand 556 states and 609 transitions. Second operand 27 states. [2018-04-10 15:36:09,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:36:09,902 INFO L93 Difference]: Finished difference Result 664 states and 723 transitions. [2018-04-10 15:36:09,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-04-10 15:36:09,902 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 69 [2018-04-10 15:36:09,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:36:09,903 INFO L225 Difference]: With dead ends: 664 [2018-04-10 15:36:09,903 INFO L226 Difference]: Without dead ends: 664 [2018-04-10 15:36:09,903 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1214 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=938, Invalid=3754, Unknown=0, NotChecked=0, Total=4692 [2018-04-10 15:36:09,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2018-04-10 15:36:09,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 539. [2018-04-10 15:36:09,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2018-04-10 15:36:09,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 590 transitions. [2018-04-10 15:36:09,907 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 590 transitions. Word has length 69 [2018-04-10 15:36:09,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:36:09,907 INFO L459 AbstractCegarLoop]: Abstraction has 539 states and 590 transitions. [2018-04-10 15:36:09,907 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-10 15:36:09,907 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 590 transitions. [2018-04-10 15:36:09,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-04-10 15:36:09,908 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:36:09,908 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] [2018-04-10 15:36:09,908 INFO L408 AbstractCegarLoop]: === Iteration 67 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:36:09,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1216728976, now seen corresponding path program 4 times [2018-04-10 15:36:09,909 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:36:09,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:36:09,916 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:36:10,166 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 15:36:10,166 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:36:10,166 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-10 15:36:10,166 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:36:10,166 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 15:36:10,166 INFO L182 omatonBuilderFactory]: Interpolants [45797#true, 45798#false, 45799#(= |#valid| |old(#valid)|), 45800#(= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|), 45801#(= (store |#valid| main_~list~0.base 0) |old(#valid)|), 45802#(and (= (store |#valid| main_~list~0.base 0) |old(#valid)|) (= (select |#valid| main_~list~0.base) 1)), 45803#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (store |#valid| main_~list~0.base 0) |old(#valid)|) (= (select |#valid| main_~list~0.base) 1)), 45804#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~list~0.base |main_#t~malloc2.base|)) (= (store (store |#valid| |main_#t~malloc2.base| 0) main_~list~0.base 0) |old(#valid)|)), 45805#(and (= main_~end~0.base main_~list~0.base) (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0) main_~list~0.base 0) |old(#valid)|) (not (= main_~end~0.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_~list~0.offset)))), 45806#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) main_~list~0.base 0) |old(#valid)|) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem3.base|))), 45807#(and (not (= main_~end~0.base main_~list~0.base)) (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) main_~list~0.base 0) |old(#valid)|) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 45808#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0) main_~list~0.base 0) |old(#valid)|) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 45809#(and (= main_~list~0.base main_~end~0.base) (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0) main_~list~0.base 0) |old(#valid)|) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset)))), 45810#(and (not (= main_~list~0.base |main_#t~mem15.base|)) (= (store (store |#valid| |main_#t~mem15.base| 0) main_~list~0.base 0) |old(#valid)|)), 45811#(and (not (= main_~list~0.base main_~end~0.base)) (= |old(#valid)| (store (store |#valid| main_~end~0.base 0) main_~list~0.base 0))), 45812#(= (store |#valid| main_~end~0.base 0) |old(#valid)|)] [2018-04-10 15:36:10,167 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 15:36:10,167 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-10 15:36:10,167 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-10 15:36:10,167 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2018-04-10 15:36:10,167 INFO L87 Difference]: Start difference. First operand 539 states and 590 transitions. Second operand 16 states. [2018-04-10 15:36:10,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:36:10,573 INFO L93 Difference]: Finished difference Result 553 states and 603 transitions. [2018-04-10 15:36:10,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-10 15:36:10,573 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 70 [2018-04-10 15:36:10,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:36:10,574 INFO L225 Difference]: With dead ends: 553 [2018-04-10 15:36:10,574 INFO L226 Difference]: Without dead ends: 507 [2018-04-10 15:36:10,574 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=597, Unknown=0, NotChecked=0, Total=702 [2018-04-10 15:36:10,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2018-04-10 15:36:10,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 507. [2018-04-10 15:36:10,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2018-04-10 15:36:10,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 557 transitions. [2018-04-10 15:36:10,577 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 557 transitions. Word has length 70 [2018-04-10 15:36:10,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:36:10,577 INFO L459 AbstractCegarLoop]: Abstraction has 507 states and 557 transitions. [2018-04-10 15:36:10,577 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-10 15:36:10,577 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 557 transitions. [2018-04-10 15:36:10,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-04-10 15:36:10,577 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:36:10,577 INFO L355 BasicCegarLoop]: trace histogram [3, 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] [2018-04-10 15:36:10,578 INFO L408 AbstractCegarLoop]: === Iteration 68 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:36:10,578 INFO L82 PathProgramCache]: Analyzing trace with hash 2075674103, now seen corresponding path program 4 times [2018-04-10 15:36:10,578 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:36:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:36:10,584 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:36:10,817 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:36:10,817 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:36:10,818 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-10 15:36:10,818 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:36:10,818 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 15:36:10,818 INFO L182 omatonBuilderFactory]: Interpolants [46912#(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)))), 46913#(and (= 1 (select |#valid| |main_#t~mem15.base|)) (not (= main_~list~0.base |main_#t~mem15.base|))), 46914#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~end~0.base))), 46915#(= 1 (select |#valid| main_~end~0.base)), 46895#true, 46896#false, 46897#(= 1 (select |#valid| main_~list~0.base)), 46898#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base))), 46899#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~list~0.base |main_#t~malloc2.base|))), 46900#(and (= main_~end~0.base main_~list~0.base) (not (= main_~end~0.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_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 46901#(and (= 1 (select |#valid| main_~list~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem3.base|))), 46902#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 46903#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc2.base|)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 46904#(and (not (= main_~list~0.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)))), 46905#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem3.base|))), 46906#(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)))), 46907#(not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 46908#(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)), 46909#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem11.base|) (not (= main_~list~0.base |main_#t~mem11.base|))), 46910#(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))), 46911#(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)))] [2018-04-10 15:36:10,818 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:36:10,818 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-10 15:36:10,818 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-10 15:36:10,818 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2018-04-10 15:36:10,818 INFO L87 Difference]: Start difference. First operand 507 states and 557 transitions. Second operand 21 states. [2018-04-10 15:36:11,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:36:11,422 INFO L93 Difference]: Finished difference Result 592 states and 650 transitions. [2018-04-10 15:36:11,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-10 15:36:11,422 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 70 [2018-04-10 15:36:11,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:36:11,423 INFO L225 Difference]: With dead ends: 592 [2018-04-10 15:36:11,423 INFO L226 Difference]: Without dead ends: 592 [2018-04-10 15:36:11,423 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=271, Invalid=1211, Unknown=0, NotChecked=0, Total=1482 [2018-04-10 15:36:11,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2018-04-10 15:36:11,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 499. [2018-04-10 15:36:11,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2018-04-10 15:36:11,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 557 transitions. [2018-04-10 15:36:11,426 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 557 transitions. Word has length 70 [2018-04-10 15:36:11,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:36:11,426 INFO L459 AbstractCegarLoop]: Abstraction has 499 states and 557 transitions. [2018-04-10 15:36:11,426 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-10 15:36:11,426 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 557 transitions. [2018-04-10 15:36:11,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-04-10 15:36:11,427 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:36:11,427 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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 15:36:11,427 INFO L408 AbstractCegarLoop]: === Iteration 69 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:36:11,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1276314678, now seen corresponding path program 7 times [2018-04-10 15:36:11,427 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:36:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:36:11,435 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:36:11,946 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 15:36:11,946 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:36:11,946 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-10 15:36:11,946 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:36:11,947 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 15:36:11,947 INFO L182 omatonBuilderFactory]: Interpolants [48064#(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 (= 0 (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)))), 48065#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))))), 48066#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 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))))), 48067#(= 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)))), 48068#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))), 48069#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 48070#(= 1 (select |#valid| |main_#t~mem11.base|)), 48071#(= 1 (select |#valid| main_~end~0.base)), 48043#true, 48044#false, 48045#(= 0 |main_#t~malloc0.offset|), 48046#(= 0 main_~list~0.offset), 48047#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 48048#(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)), 48049#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset)), 48050#(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)))), 48051#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (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~mem3.base|))), 48052#(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))), 48053#(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))), 48054#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.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~malloc2.base|)) (= 0 main_~list~0.offset) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 48055#(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))), 48056#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= |main_#t~mem3.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) (= (select (select |#memory_$Pointer$.base| (select (select |#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~mem3.base|) (not (= main_~list~0.base |main_#t~mem3.base|))), 48057#(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)))), 48058#(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)), 48059#(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))) (not (= main_~end~0.base |main_#t~malloc5.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| main_~list~0.offset)), 48060#(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))) (= (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)))), 48061#(and (= |main_#t~mem6.offset| main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.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)))) (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~mem6.base|))), 48062#(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)))) (= 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))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 48063#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (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))))))] [2018-04-10 15:36:11,947 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 15:36:11,947 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-10 15:36:11,947 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-10 15:36:11,948 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2018-04-10 15:36:11,948 INFO L87 Difference]: Start difference. First operand 499 states and 557 transitions. Second operand 29 states. [2018-04-10 15:36:13,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:36:13,890 INFO L93 Difference]: Finished difference Result 650 states and 718 transitions. [2018-04-10 15:36:13,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-04-10 15:36:13,890 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 70 [2018-04-10 15:36:13,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:36:13,891 INFO L225 Difference]: With dead ends: 650 [2018-04-10 15:36:13,891 INFO L226 Difference]: Without dead ends: 650 [2018-04-10 15:36:13,892 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1370 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=774, Invalid=4776, Unknown=0, NotChecked=0, Total=5550 [2018-04-10 15:36:13,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2018-04-10 15:36:13,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 528. [2018-04-10 15:36:13,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2018-04-10 15:36:13,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 592 transitions. [2018-04-10 15:36:13,894 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 592 transitions. Word has length 70 [2018-04-10 15:36:13,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:36:13,895 INFO L459 AbstractCegarLoop]: Abstraction has 528 states and 592 transitions. [2018-04-10 15:36:13,895 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-10 15:36:13,895 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 592 transitions. [2018-04-10 15:36:13,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-04-10 15:36:13,895 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:36:13,895 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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 15:36:13,895 INFO L408 AbstractCegarLoop]: === Iteration 70 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:36:13,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1276314677, now seen corresponding path program 6 times [2018-04-10 15:36:13,896 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:36:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:36:13,902 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:36:14,364 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 15:36:14,364 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:36:14,364 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-10 15:36:14,364 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:36:14,365 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 15:36:14,365 INFO L182 omatonBuilderFactory]: Interpolants [49344#(= 0 |main_#t~malloc0.offset|), 49345#(= 0 main_~list~0.offset), 49346#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 49347#(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)), 49348#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset)), 49349#(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)))), 49350#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (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~mem3.base|))), 49351#(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))), 49352#(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))), 49353#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.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~malloc2.base|)) (= 0 main_~list~0.offset) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 49354#(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))), 49355#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= |main_#t~mem3.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) (= (select (select |#memory_$Pointer$.base| (select (select |#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~mem3.base|) (not (= main_~list~0.base |main_#t~mem3.base|))), 49356#(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)))), 49357#(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)), 49358#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~end~0.base main_~list~0.base)) (= 8 (select |#length| |main_#t~malloc5.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 (= main_~end~0.base |main_#t~malloc5.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| main_~list~0.offset)), 49359#(and (= 8 (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))))) (= 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)))), 49360#(and (= |main_#t~mem6.offset| main_~list~0.offset) (= 8 (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)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.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~mem6.base|))), 49361#(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))) (= 8 (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)))) (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))), 49362#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 8 (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)))))), 49363#(or (and (= 0 (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 (= 8 (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))))) (= 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)))))), 49364#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))))), 49365#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (= 8 (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)))) (= 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))))), 49366#(and (= 8 (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)))) (= 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)))), 49367#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))), 49368#(and (= 8 (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))), 49369#(and (= 0 |main_#t~mem11.offset|) (= 8 (select |#length| |main_#t~mem11.base|))), 49370#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base))), 49342#true, 49343#false] [2018-04-10 15:36:14,365 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 15:36:14,365 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-10 15:36:14,365 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-10 15:36:14,365 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=730, Unknown=0, NotChecked=0, Total=812 [2018-04-10 15:36:14,365 INFO L87 Difference]: Start difference. First operand 528 states and 592 transitions. Second operand 29 states. [2018-04-10 15:36:16,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:36:16,492 INFO L93 Difference]: Finished difference Result 627 states and 694 transitions. [2018-04-10 15:36:16,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-04-10 15:36:16,492 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 70 [2018-04-10 15:36:16,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:36:16,493 INFO L225 Difference]: With dead ends: 627 [2018-04-10 15:36:16,493 INFO L226 Difference]: Without dead ends: 627 [2018-04-10 15:36:16,493 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 966 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=548, Invalid=3742, Unknown=0, NotChecked=0, Total=4290 [2018-04-10 15:36:16,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2018-04-10 15:36:16,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 527. [2018-04-10 15:36:16,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2018-04-10 15:36:16,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 590 transitions. [2018-04-10 15:36:16,496 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 590 transitions. Word has length 70 [2018-04-10 15:36:16,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:36:16,497 INFO L459 AbstractCegarLoop]: Abstraction has 527 states and 590 transitions. [2018-04-10 15:36:16,497 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-10 15:36:16,497 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 590 transitions. [2018-04-10 15:36:16,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-04-10 15:36:16,497 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:36:16,497 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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 15:36:16,497 INFO L408 AbstractCegarLoop]: === Iteration 71 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:36:16,497 INFO L82 PathProgramCache]: Analyzing trace with hash 15640092, now seen corresponding path program 8 times [2018-04-10 15:36:16,498 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:36:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:36:16,505 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:36:16,988 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 15:36:16,988 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:36:16,988 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-10 15:36:16,988 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:36:16,989 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 15:36:16,989 INFO L182 omatonBuilderFactory]: Interpolants [50624#(= 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)))), 50625#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))), 50626#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 50627#(= 1 (select |#valid| |main_#t~mem11.base|)), 50628#(= 1 (select |#valid| main_~end~0.base)), 50599#true, 50600#false, 50601#(= 0 |main_#t~malloc0.offset|), 50602#(= 0 main_~list~0.offset), 50603#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 50604#(and (= 1 (select |#valid| main_~list~0.base)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset)), 50605#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset)), 50606#(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)))), 50607#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (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~mem3.base|))), 50608#(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))), 50609#(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))), 50610#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc5.base|)) (not (= |main_#t~malloc5.base| main_~end~0.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))), 50611#(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_~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 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 50612#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem6.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_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem6.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~mem6.base|)), 50613#(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))) (= 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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 50614#(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))) (= 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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 50615#(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_#t~malloc2.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 (= |main_#t~malloc2.base| main_~end~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 50616#(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))) (= (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)) (not (= (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))) (= 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)))), 50617#(and (= |main_#t~mem3.offset| main_~list~0.offset) (= |main_#t~mem3.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)))) (not (= |main_#t~mem3.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_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 50618#(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)))) (= 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))))) (and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base))), 50619#(or (and (= 1 (select |#valid| main_~end~0.base)) (= 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))))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset)) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)))), 50620#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (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)))))), 50621#(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 (= 0 (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)))), 50622#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))))), 50623#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 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)))))] [2018-04-10 15:36:16,989 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 15:36:16,989 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-10 15:36:16,989 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-10 15:36:16,989 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=783, Unknown=0, NotChecked=0, Total=870 [2018-04-10 15:36:16,989 INFO L87 Difference]: Start difference. First operand 527 states and 590 transitions. Second operand 30 states. [2018-04-10 15:36:18,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:36:18,978 INFO L93 Difference]: Finished difference Result 661 states and 731 transitions. [2018-04-10 15:36:18,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-04-10 15:36:18,979 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 70 [2018-04-10 15:36:18,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:36:18,980 INFO L225 Difference]: With dead ends: 661 [2018-04-10 15:36:18,980 INFO L226 Difference]: Without dead ends: 661 [2018-04-10 15:36:18,980 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1356 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=757, Invalid=4793, Unknown=0, NotChecked=0, Total=5550 [2018-04-10 15:36:18,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2018-04-10 15:36:18,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 534. [2018-04-10 15:36:18,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2018-04-10 15:36:18,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 600 transitions. [2018-04-10 15:36:18,983 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 600 transitions. Word has length 70 [2018-04-10 15:36:18,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:36:18,983 INFO L459 AbstractCegarLoop]: Abstraction has 534 states and 600 transitions. [2018-04-10 15:36:18,983 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-10 15:36:18,983 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 600 transitions. [2018-04-10 15:36:18,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-04-10 15:36:18,984 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:36:18,984 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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 15:36:18,984 INFO L408 AbstractCegarLoop]: === Iteration 72 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:36:18,984 INFO L82 PathProgramCache]: Analyzing trace with hash 15640093, now seen corresponding path program 7 times [2018-04-10 15:36:18,984 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:36:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:36:18,991 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:36:19,455 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 15:36:19,455 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:36:19,455 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-10 15:36:19,455 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:36:19,455 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 15:36:19,456 INFO L182 omatonBuilderFactory]: Interpolants [51914#true, 51915#false, 51916#(= 0 |main_#t~malloc0.offset|), 51917#(= 0 main_~list~0.offset), 51918#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 51919#(and (= 1 (select |#valid| main_~list~0.base)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset)), 51920#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset)), 51921#(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)))), 51922#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (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~mem3.base|))), 51923#(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))), 51924#(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))), 51925#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc5.base|)) (not (= |main_#t~malloc5.base| main_~end~0.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))), 51926#(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_~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 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 51927#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem6.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_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem6.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~mem6.base|)), 51928#(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))) (= 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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 51929#(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))) (= 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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 51930#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.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_#t~malloc2.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))) (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 51931#(and (= 8 (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))))) (= 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) (not (= (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))) (= 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 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 51932#(and (= |main_#t~mem3.offset| main_~list~0.offset) (= 8 (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)))) (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~mem3.base|)) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 51933#(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))) (= 8 (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)))) (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))), 51934#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 8 (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)))))), 51935#(or (and (= 0 (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 (= 8 (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))))) (= 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)))))), 51936#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))))), 51937#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (= 8 (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)))) (= 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))))), 51938#(and (= 8 (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)))) (= 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)))), 51939#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))), 51940#(and (= 8 (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))), 51941#(and (= 0 |main_#t~mem11.offset|) (= 8 (select |#length| |main_#t~mem11.base|))), 51942#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base)))] [2018-04-10 15:36:19,456 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 15:36:19,456 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-10 15:36:19,456 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-10 15:36:19,456 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=730, Unknown=0, NotChecked=0, Total=812 [2018-04-10 15:36:19,456 INFO L87 Difference]: Start difference. First operand 534 states and 600 transitions. Second operand 29 states. [2018-04-10 15:36:21,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:36:21,538 INFO L93 Difference]: Finished difference Result 638 states and 707 transitions. [2018-04-10 15:36:21,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-04-10 15:36:21,538 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 70 [2018-04-10 15:36:21,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:36:21,539 INFO L225 Difference]: With dead ends: 638 [2018-04-10 15:36:21,539 INFO L226 Difference]: Without dead ends: 638 [2018-04-10 15:36:21,540 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 939 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=534, Invalid=3626, Unknown=0, NotChecked=0, Total=4160 [2018-04-10 15:36:21,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2018-04-10 15:36:21,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 505. [2018-04-10 15:36:21,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2018-04-10 15:36:21,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 565 transitions. [2018-04-10 15:36:21,543 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 565 transitions. Word has length 70 [2018-04-10 15:36:21,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:36:21,543 INFO L459 AbstractCegarLoop]: Abstraction has 505 states and 565 transitions. [2018-04-10 15:36:21,543 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-10 15:36:21,543 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 565 transitions. [2018-04-10 15:36:21,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-04-10 15:36:21,543 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:36:21,543 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:36:21,543 INFO L408 AbstractCegarLoop]: === Iteration 73 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:36:21,543 INFO L82 PathProgramCache]: Analyzing trace with hash -2139550211, now seen corresponding path program 5 times [2018-04-10 15:36:21,544 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:36:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:36:21,552 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:36:22,154 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 15:36:22,154 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:36:22,154 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-10 15:36:22,154 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:36:22,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:36:22,155 INFO L182 omatonBuilderFactory]: Interpolants [53184#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (= 0 (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))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 53185#(or (and (= 0 (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))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 53186#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (= 1 (select |#valid| |main_#t~mem11.base|))), 53187#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 1 (select |#valid| main_~end~0.base))), 53188#(= 1 (select |#valid| main_~end~0.base)), 53158#true, 53159#false, 53160#(= 0 |main_#t~malloc0.offset|), 53161#(= 0 main_~list~0.offset), 53162#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 53163#(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)), 53164#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= 0 |main_#t~malloc2.offset|)), 53165#(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))) (= 1 (select |#valid| main_~end~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 53166#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~list~0.base)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem3.base|))), 53167#(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_~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) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 53168#(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_~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)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 53169#(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_~list~0.base)) (not (= |main_#t~malloc5.base| main_~end~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_#t~malloc5.base| main_~list~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 53170#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~list~0.base)) (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 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 53171#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~list~0.base)) (not (= |main_#t~mem6.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))) (not (= |main_#t~mem6.base| (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)) |main_#t~mem6.base|)), 53172#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~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))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 53173#(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 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~malloc2.base|)) (= 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))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc2.base|))), 53174#(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_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~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))) (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))), 53175#(and (= 0 (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| 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~mem3.base|)) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem3.base|))), 53176#(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| (select (select |#memory_$Pointer$.base| (select (select |#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)), 53177#(and (not (= main_~end~0.base main_~list~0.base)) (or (and (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) |main_#t~malloc5.base|)) (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)))) (= |main_#t~malloc5.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_#t~malloc5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= |main_#t~malloc5.offset| main_~list~0.offset)), 53178#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.offset| 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))) (and (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)))) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~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 (= (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)))))), 53179#(and (or (and (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)))) (= |main_#t~mem6.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~mem6.base|))) (and (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= |main_#t~mem6.offset| main_~list~0.offset)), 53180#(or (and (= 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)) (or (and (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| 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)) (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_~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)))))), 53181#(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 (= 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))) (= 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 (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 53182#(or (and (= 0 (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))) (= 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)))) (and (= 0 (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))) (= 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))))), 53183#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))))] [2018-04-10 15:36:22,155 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 15:36:22,155 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-10 15:36:22,155 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-10 15:36:22,155 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=816, Unknown=0, NotChecked=0, Total=930 [2018-04-10 15:36:22,155 INFO L87 Difference]: Start difference. First operand 505 states and 565 transitions. Second operand 31 states. [2018-04-10 15:36:24,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:36:24,464 INFO L93 Difference]: Finished difference Result 726 states and 803 transitions. [2018-04-10 15:36:24,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-04-10 15:36:24,464 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 70 [2018-04-10 15:36:24,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:36:24,466 INFO L225 Difference]: With dead ends: 726 [2018-04-10 15:36:24,466 INFO L226 Difference]: Without dead ends: 726 [2018-04-10 15:36:24,466 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1706 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1123, Invalid=5039, Unknown=0, NotChecked=0, Total=6162 [2018-04-10 15:36:24,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2018-04-10 15:36:24,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 549. [2018-04-10 15:36:24,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2018-04-10 15:36:24,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 616 transitions. [2018-04-10 15:36:24,469 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 616 transitions. Word has length 70 [2018-04-10 15:36:24,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:36:24,469 INFO L459 AbstractCegarLoop]: Abstraction has 549 states and 616 transitions. [2018-04-10 15:36:24,470 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-10 15:36:24,470 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 616 transitions. [2018-04-10 15:36:24,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-04-10 15:36:24,470 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:36:24,470 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:36:24,470 INFO L408 AbstractCegarLoop]: === Iteration 74 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:36:24,470 INFO L82 PathProgramCache]: Analyzing trace with hash -2139550210, now seen corresponding path program 4 times [2018-04-10 15:36:24,471 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:36:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:36:24,479 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:36:24,976 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 15:36:24,977 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:36:24,977 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-10 15:36:24,977 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:36:24,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:36:24,977 INFO L182 omatonBuilderFactory]: Interpolants [54560#true, 54561#false, 54562#(= 0 |main_#t~malloc0.offset|), 54563#(= 0 main_~list~0.offset), 54564#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 54565#(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)), 54566#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset)), 54567#(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)))), 54568#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (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~mem3.base|))), 54569#(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))), 54570#(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))), 54571#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc5.base|)) (= 8 (select |#length| |main_#t~malloc5.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_~end~0.base |main_#t~malloc5.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))), 54572#(and (= 8 (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))) (= (select |#valid| main_~end~0.base) (select |#valid| 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) (= 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))) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 54573#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 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))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| |main_#t~mem6.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~mem6.base|)), 54574#(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) (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_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 54575#(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) (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~malloc2.base|)) (= 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))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc2.base|)) (= 8 (select |#length| main_~end~0.base))), 54576#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~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))) (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))) (= (select |#valid| main_~end~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 54577#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 main_~list~0.offset) (= 8 (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| (select (select |#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| (select (select |#memory_$Pointer$.base| (select (select |#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) (not (= main_~list~0.base |main_#t~mem3.base|))), 54578#(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) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= 8 (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| (select (select |#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| (select (select |#memory_$Pointer$.base| (select (select |#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)), 54579#(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))) (= 8 (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| (select (select |#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~malloc5.base|)) (= |main_#t~malloc5.offset| main_~list~0.offset)), 54580#(and (= (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))) (= 8 (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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 54581#(and (= |main_#t~mem6.offset| main_~list~0.offset) (= 8 (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| (select (select |#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~mem6.base|))), 54582#(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))) (= 8 (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| (select (select |#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))), 54583#(or (and (= 8 (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| (select (select |#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 (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 54584#(or (and (= 8 (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)))) (= 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)))) (and (= 0 (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)))), 54585#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|)))), 54586#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (= 8 (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)))), 54587#(and (= 8 (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))), 54588#(and (= 0 |main_#t~mem11.offset|) (= 8 (select |#length| |main_#t~mem11.base|))), 54589#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base)))] [2018-04-10 15:36:24,977 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 15:36:24,977 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-10 15:36:24,978 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-10 15:36:24,978 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=765, Unknown=0, NotChecked=0, Total=870 [2018-04-10 15:36:24,978 INFO L87 Difference]: Start difference. First operand 549 states and 616 transitions. Second operand 30 states. [2018-04-10 15:36:26,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:36:26,891 INFO L93 Difference]: Finished difference Result 755 states and 837 transitions. [2018-04-10 15:36:26,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-04-10 15:36:26,891 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 70 [2018-04-10 15:36:26,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:36:26,892 INFO L225 Difference]: With dead ends: 755 [2018-04-10 15:36:26,892 INFO L226 Difference]: Without dead ends: 755 [2018-04-10 15:36:26,892 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1065 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=668, Invalid=3754, Unknown=0, NotChecked=0, Total=4422 [2018-04-10 15:36:26,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2018-04-10 15:36:26,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 571. [2018-04-10 15:36:26,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2018-04-10 15:36:26,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 641 transitions. [2018-04-10 15:36:26,896 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 641 transitions. Word has length 70 [2018-04-10 15:36:26,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:36:26,896 INFO L459 AbstractCegarLoop]: Abstraction has 571 states and 641 transitions. [2018-04-10 15:36:26,896 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-10 15:36:26,896 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 641 transitions. [2018-04-10 15:36:26,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-04-10 15:36:26,897 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:36:26,897 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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] [2018-04-10 15:36:26,897 INFO L408 AbstractCegarLoop]: === Iteration 75 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:36:26,897 INFO L82 PathProgramCache]: Analyzing trace with hash -1166465805, now seen corresponding path program 4 times [2018-04-10 15:36:26,897 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:36:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:36:26,904 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:36:27,430 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:36:27,430 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:36:27,430 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-10 15:36:27,430 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:36:27,430 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 15:36:27,431 INFO L182 omatonBuilderFactory]: Interpolants [56000#(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))), 56001#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.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~malloc2.base|)) (= 0 main_~list~0.offset) (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 56002#(and (= 8 (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))), 56003#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 8 (select |#length| |main_#t~mem3.base|)) (= 0 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 (select |#memory_$Pointer$.base| (select (select |#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~mem3.base|) (not (= main_~list~0.base |main_#t~mem3.base|))), 56004#(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) (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))) (= 8 (select |#length| main_~end~0.base))), 56005#(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))) (= |main_#t~malloc2.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))) (= 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))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc2.base|)) (= 8 (select |#length| main_~end~0.base))), 56006#(and (= (select |#length| main_~end~0.base) 8) (= (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)))), 56007#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= |main_#t~mem3.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))) (<= 8 (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))))), 56008#(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))) (<= 8 (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))), 56009#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~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))) (<= 8 (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)))))), 56010#(or (and (<= 8 (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)))) (= 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)))) (and (= 0 (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)))), 56011#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|)))), 56012#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (<= 8 (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)))), 56013#(and (<= 8 (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))), 56014#(and (= 0 |main_#t~mem9.offset|) (<= 8 (select |#length| |main_#t~mem9.base|))), 56015#(and (= main_~end~0.offset 0) (<= 8 (select |#length| main_~end~0.base))), 55990#true, 55991#false, 55992#(= 0 |main_#t~malloc0.offset|), 55993#(= 0 main_~list~0.offset), 55994#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 55995#(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)), 55996#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset)), 55997#(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)))), 55998#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (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~mem3.base|))), 55999#(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)))] [2018-04-10 15:36:27,431 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:36:27,431 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-10 15:36:27,431 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-10 15:36:27,431 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=569, Unknown=0, NotChecked=0, Total=650 [2018-04-10 15:36:27,431 INFO L87 Difference]: Start difference. First operand 571 states and 641 transitions. Second operand 26 states. [2018-04-10 15:36:29,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:36:29,121 INFO L93 Difference]: Finished difference Result 713 states and 788 transitions. [2018-04-10 15:36:29,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-10 15:36:29,122 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 71 [2018-04-10 15:36:29,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:36:29,123 INFO L225 Difference]: With dead ends: 713 [2018-04-10 15:36:29,123 INFO L226 Difference]: Without dead ends: 713 [2018-04-10 15:36:29,123 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 776 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=554, Invalid=2868, Unknown=0, NotChecked=0, Total=3422 [2018-04-10 15:36:29,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2018-04-10 15:36:29,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 580. [2018-04-10 15:36:29,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2018-04-10 15:36:29,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 651 transitions. [2018-04-10 15:36:29,127 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 651 transitions. Word has length 71 [2018-04-10 15:36:29,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:36:29,127 INFO L459 AbstractCegarLoop]: Abstraction has 580 states and 651 transitions. [2018-04-10 15:36:29,127 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-10 15:36:29,127 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 651 transitions. [2018-04-10 15:36:29,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-04-10 15:36:29,127 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:36:29,128 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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] [2018-04-10 15:36:29,128 INFO L408 AbstractCegarLoop]: === Iteration 76 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:36:29,128 INFO L82 PathProgramCache]: Analyzing trace with hash -1166465806, now seen corresponding path program 2 times [2018-04-10 15:36:29,128 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:36:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:36:29,135 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:36:29,496 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:36:29,496 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:36:29,496 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-10 15:36:29,496 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:36:29,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:36:29,496 INFO L182 omatonBuilderFactory]: Interpolants [57375#true, 57376#false, 57377#(= 0 |main_#t~malloc0.offset|), 57378#(= 0 main_~list~0.offset), 57379#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 57380#(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)), 57381#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset)), 57382#(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)))), 57383#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (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~mem3.base|))), 57384#(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))), 57385#(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))), 57386#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.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~malloc2.base|)) (= 0 main_~list~0.offset) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 57387#(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))), 57388#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 main_~list~0.offset) (= |main_#t~mem3.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~mem3.base|))), 57389#(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) (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)))), 57390#(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))) (= |main_#t~malloc2.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) |main_#t~malloc2.base|))), 57391#(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)))) (= (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)))), 57392#(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~mem3.base|)) (= |main_#t~mem3.offset| main_~list~0.offset)), 57393#(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))), 57394#(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 (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 57395#(or (and (= 0 (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))) (= 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))))), 57396#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)))), 57397#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 57398#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 57399#(= 1 (select |#valid| |main_#t~mem9.base|)), 57400#(= 1 (select |#valid| main_~end~0.base))] [2018-04-10 15:36:29,496 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:36:29,497 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-10 15:36:29,497 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-10 15:36:29,497 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=573, Unknown=0, NotChecked=0, Total=650 [2018-04-10 15:36:29,497 INFO L87 Difference]: Start difference. First operand 580 states and 651 transitions. Second operand 26 states. [2018-04-10 15:36:31,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:36:31,045 INFO L93 Difference]: Finished difference Result 704 states and 779 transitions. [2018-04-10 15:36:31,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-04-10 15:36:31,045 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 71 [2018-04-10 15:36:31,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:36:31,047 INFO L225 Difference]: With dead ends: 704 [2018-04-10 15:36:31,047 INFO L226 Difference]: Without dead ends: 704 [2018-04-10 15:36:31,047 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 983 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=693, Invalid=3339, Unknown=0, NotChecked=0, Total=4032 [2018-04-10 15:36:31,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2018-04-10 15:36:31,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 580. [2018-04-10 15:36:31,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2018-04-10 15:36:31,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 650 transitions. [2018-04-10 15:36:31,053 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 650 transitions. Word has length 71 [2018-04-10 15:36:31,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:36:31,053 INFO L459 AbstractCegarLoop]: Abstraction has 580 states and 650 transitions. [2018-04-10 15:36:31,053 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-10 15:36:31,053 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 650 transitions. [2018-04-10 15:36:31,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-04-10 15:36:31,054 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:36:31,054 INFO L355 BasicCegarLoop]: trace histogram [3, 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] [2018-04-10 15:36:31,054 INFO L408 AbstractCegarLoop]: === Iteration 77 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:36:31,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1300455429, now seen corresponding path program 1 times [2018-04-10 15:36:31,055 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:36:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:36:31,060 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:36:31,187 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-10 15:36:31,187 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:36:31,187 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-10 15:36:31,187 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:36:31,187 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 15:36:31,187 INFO L182 omatonBuilderFactory]: Interpolants [58761#true, 58762#false, 58763#(= (select |#valid| main_~list~0.base) 1), 58764#(and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= (select |#valid| main_~end~0.base) 1)), 58765#(and (not (= |main_#t~malloc2.base| 0)) (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)), 58766#(and (= main_~end~0.base main_~list~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset) 0)) (= (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)))), 58767#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem3.base|))), 58768#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (= (select |#valid| main_~list~0.base) 1)), 58769#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base |main_#t~malloc2.base|)) (= (select |#valid| main_~list~0.base) 1)), 58770#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~list~0.base) 1)), 58771#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base |main_#t~malloc5.base|))), 58772#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 58773#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)) (not (= main_~list~0.base |main_#t~mem6.base|))), 58774#(and (not (= main_~end~0.base main_~list~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0))), 58775#(not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) 0)), 58776#(not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0)), 58777#(not (= |main_#t~mem11.base| 0)), 58778#(not (= main_~end~0.base 0))] [2018-04-10 15:36:31,187 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-10 15:36:31,188 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-10 15:36:31,188 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-10 15:36:31,188 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2018-04-10 15:36:31,188 INFO L87 Difference]: Start difference. First operand 580 states and 650 transitions. Second operand 18 states. [2018-04-10 15:36:31,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:36:31,636 INFO L93 Difference]: Finished difference Result 586 states and 647 transitions. [2018-04-10 15:36:31,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-10 15:36:31,636 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 71 [2018-04-10 15:36:31,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:36:31,638 INFO L225 Difference]: With dead ends: 586 [2018-04-10 15:36:31,638 INFO L226 Difference]: Without dead ends: 586 [2018-04-10 15:36:31,638 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=203, Invalid=789, Unknown=0, NotChecked=0, Total=992 [2018-04-10 15:36:31,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2018-04-10 15:36:31,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 576. [2018-04-10 15:36:31,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2018-04-10 15:36:31,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 640 transitions. [2018-04-10 15:36:31,643 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 640 transitions. Word has length 71 [2018-04-10 15:36:31,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:36:31,644 INFO L459 AbstractCegarLoop]: Abstraction has 576 states and 640 transitions. [2018-04-10 15:36:31,644 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-10 15:36:31,644 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 640 transitions. [2018-04-10 15:36:31,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-04-10 15:36:31,644 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:36:31,644 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-10 15:36:31,645 INFO L408 AbstractCegarLoop]: === Iteration 78 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:36:31,645 INFO L82 PathProgramCache]: Analyzing trace with hash -104212945, now seen corresponding path program 3 times [2018-04-10 15:36:31,645 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:36:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:36:31,653 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:36:32,096 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:36:32,096 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:36:32,097 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-10 15:36:32,097 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:36:32,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:36:32,097 INFO L182 omatonBuilderFactory]: Interpolants [59969#true, 59970#false, 59971#(= 0 |main_#t~malloc0.offset|), 59972#(= 0 main_~list~0.offset), 59973#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 59974#(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)), 59975#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset)), 59976#(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)))), 59977#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (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~mem3.base|))), 59978#(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))), 59979#(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))), 59980#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.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~malloc2.base|)) (= 0 main_~list~0.offset) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 59981#(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))), 59982#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= |main_#t~mem3.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) (= (select (select |#memory_$Pointer$.base| (select (select |#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~mem3.base|) (not (= main_~list~0.base |main_#t~mem3.base|))), 59983#(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)))), 59984#(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)), 59985#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~end~0.base main_~list~0.base)) (= 8 (select |#length| |main_#t~malloc5.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 (= main_~end~0.base |main_#t~malloc5.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| main_~list~0.offset)), 59986#(and (= 8 (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))))) (= 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)))), 59987#(and (= |main_#t~mem6.offset| main_~list~0.offset) (= 8 (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)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.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~mem6.base|))), 59988#(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))) (= 8 (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)))) (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))), 59989#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 8 (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)))))), 59990#(or (and (= 0 (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 (= 8 (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))))) (= 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)))))), 59991#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))))), 59992#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (= 8 (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)))) (= 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))))), 59993#(and (= 8 (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)))) (= 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)))), 59994#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))), 59995#(and (= 8 (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))), 59996#(and (= 0 |main_#t~mem9.offset|) (= 8 (select |#length| |main_#t~mem9.base|))), 59997#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base)))] [2018-04-10 15:36:32,097 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:36:32,097 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-10 15:36:32,097 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-10 15:36:32,097 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=730, Unknown=0, NotChecked=0, Total=812 [2018-04-10 15:36:32,098 INFO L87 Difference]: Start difference. First operand 576 states and 640 transitions. Second operand 29 states. [2018-04-10 15:36:34,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:36:34,014 INFO L93 Difference]: Finished difference Result 690 states and 762 transitions. [2018-04-10 15:36:34,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-04-10 15:36:34,014 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 72 [2018-04-10 15:36:34,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:36:34,015 INFO L225 Difference]: With dead ends: 690 [2018-04-10 15:36:34,015 INFO L226 Difference]: Without dead ends: 690 [2018-04-10 15:36:34,015 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 934 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=533, Invalid=3627, Unknown=0, NotChecked=0, Total=4160 [2018-04-10 15:36:34,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2018-04-10 15:36:34,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 607. [2018-04-10 15:36:34,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 607 states. [2018-04-10 15:36:34,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 675 transitions. [2018-04-10 15:36:34,021 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 675 transitions. Word has length 72 [2018-04-10 15:36:34,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:36:34,021 INFO L459 AbstractCegarLoop]: Abstraction has 607 states and 675 transitions. [2018-04-10 15:36:34,021 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-10 15:36:34,022 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 675 transitions. [2018-04-10 15:36:34,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-04-10 15:36:34,022 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:36:34,022 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-10 15:36:34,023 INFO L408 AbstractCegarLoop]: === Iteration 79 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:36:34,023 INFO L82 PathProgramCache]: Analyzing trace with hash -104212946, now seen corresponding path program 3 times [2018-04-10 15:36:34,023 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:36:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:36:34,034 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:36:34,457 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:36:34,457 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:36:34,457 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-10 15:36:34,457 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:36:34,457 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 15:36:34,458 INFO L182 omatonBuilderFactory]: Interpolants [61376#(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))), 61377#(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))), 61378#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.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~malloc2.base|)) (= 0 main_~list~0.offset) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 61379#(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))), 61380#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= |main_#t~mem3.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) (= (select (select |#memory_$Pointer$.base| (select (select |#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~mem3.base|) (not (= main_~list~0.base |main_#t~mem3.base|))), 61381#(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)))), 61382#(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)), 61383#(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))) (not (= main_~end~0.base |main_#t~malloc5.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| main_~list~0.offset)), 61384#(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))) (= (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)))), 61385#(and (= |main_#t~mem6.offset| main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.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)))) (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~mem6.base|))), 61386#(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)))) (= 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))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 61387#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (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)))))), 61388#(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 (= 0 (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)))), 61389#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))))), 61390#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 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))))), 61391#(= 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)))), 61392#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))), 61393#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 61394#(= 1 (select |#valid| |main_#t~mem9.base|)), 61395#(= 1 (select |#valid| main_~end~0.base)), 61367#true, 61368#false, 61369#(= 0 |main_#t~malloc0.offset|), 61370#(= 0 main_~list~0.offset), 61371#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 61372#(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)), 61373#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset)), 61374#(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)))), 61375#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (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~mem3.base|)))] [2018-04-10 15:36:34,458 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:36:34,458 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-10 15:36:34,458 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-10 15:36:34,458 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2018-04-10 15:36:34,458 INFO L87 Difference]: Start difference. First operand 607 states and 675 transitions. Second operand 29 states. [2018-04-10 15:36:36,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:36:36,379 INFO L93 Difference]: Finished difference Result 709 states and 782 transitions. [2018-04-10 15:36:36,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-04-10 15:36:36,380 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 72 [2018-04-10 15:36:36,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:36:36,381 INFO L225 Difference]: With dead ends: 709 [2018-04-10 15:36:36,381 INFO L226 Difference]: Without dead ends: 709 [2018-04-10 15:36:36,381 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1323 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=751, Invalid=4651, Unknown=0, NotChecked=0, Total=5402 [2018-04-10 15:36:36,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2018-04-10 15:36:36,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 600. [2018-04-10 15:36:36,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 600 states. [2018-04-10 15:36:36,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 667 transitions. [2018-04-10 15:36:36,385 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 667 transitions. Word has length 72 [2018-04-10 15:36:36,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:36:36,385 INFO L459 AbstractCegarLoop]: Abstraction has 600 states and 667 transitions. [2018-04-10 15:36:36,385 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-10 15:36:36,385 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 667 transitions. [2018-04-10 15:36:36,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-04-10 15:36:36,386 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:36:36,386 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] [2018-04-10 15:36:36,386 INFO L408 AbstractCegarLoop]: === Iteration 80 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:36:36,386 INFO L82 PathProgramCache]: Analyzing trace with hash -2052511920, now seen corresponding path program 1 times [2018-04-10 15:36:36,386 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:36:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:36:36,391 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:36:36,965 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 15:36:36,965 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:36:36,965 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-10 15:36:36,965 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:36:36,966 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 15:36:36,966 INFO L182 omatonBuilderFactory]: Interpolants [62795#true, 62796#false, 62797#(= 0 (select |#valid| 0)), 62798#(and (not (= 0 |main_#t~malloc0.base|)) (= 0 (select |#valid| 0))), 62799#(and (not (= 0 main_~list~0.base)) (= 0 (select |#valid| 0))), 62800#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 (select |#valid| 0))), 62801#(and (= 1 (select |#valid| main_~list~0.base)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 (select |#valid| 0))), 62802#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 |main_#t~malloc2.offset|) (= 0 (select |#valid| 0)) (not (= |main_#t~malloc2.base| main_~end~0.base))), 62803#(and (= main_~end~0.base main_~list~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)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~end~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 62804#(and (= 1 (select |#valid| main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 |main_#t~mem3.offset|) (= 0 (select |#valid| 0)) (not (= |main_#t~mem3.base| main_~list~0.base))), 62805#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| 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)) (= 0 (select |#valid| 0))), 62806#(and (not (= main_~end~0.base main_~list~0.base)) (= 1 (select |#valid| 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)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~end~0.base))), 62807#(and (not (= 0 main_~list~0.base)) (or (= 1 (select |#valid| 0)) (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)) (not (= 0 |main_#t~malloc5.base|)) (not (= |main_#t~malloc5.base| main_~list~0.base)))) (or (not (= |main_#t~malloc5.base| main_~end~0.base)) (= 1 (select |#valid| 0)))), 62808#(and (or (and (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))) (= 1 (select |#valid| 0))) (not (= 0 main_~list~0.base)) (or (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~end~0.base)) (= 1 (select |#valid| 0)))), 62809#(and (not (= 0 main_~list~0.base)) (or (= 1 (select |#valid| 0)) (and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= |main_#t~mem6.base| main_~list~0.base)) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))))), 62810#(and (not (= 0 main_~list~0.base)) (or (= 1 (select |#valid| 0)) (and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))))), 62811#(and (not (= 0 main_~list~0.base)) (or (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (= 1 (select |#valid| 0)))), 62812#(and (not (= 0 main_~list~0.base)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (or (= 1 (select |#valid| 0)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0))))), 62813#(and (not (= 0 main_~list~0.base)) (= |main_#t~mem11.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (or (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) 0))) (= 1 (select |#valid| 0)))), 62814#(and (not (= 0 main_~list~0.base)) (or (= 1 (select |#valid| 0)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) 0)))) (= 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))), 62815#(and (not (= 0 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)) |main_#t~mem11.base|) (or (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0)) (not (= 0 |main_#t~mem11.base|)) (= 1 (select |#valid| 0)))), 62816#(and (not (= 0 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)) main_~end~0.base) (or (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0)) (not (= 0 main_~end~0.base)) (= 1 (select |#valid| 0)))), 62817#(and (not (= 0 main_~list~0.base)) (= 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))) (or (not (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) 0)) (= 1 (select |#valid| 0)))), 62818#(and (not (= 0 main_~list~0.base)) (or (not (= |main_#t~mem15.offset| 0)) (= 1 (select |#valid| 0))) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 62819#(and (not (= 0 main_~list~0.base)) (or (not (= main_~end~0.offset 0)) (= 1 (select |#valid| 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 62820#(and (or (not (= main_~end~0.offset 0)) (= 1 (select |#valid| 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 62821#(and (or (not (= main_~list~0.offset 0)) (= 1 (select |#valid| 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 62822#(or (not (= main_~list~0.offset 0)) (and (not (= 0 main_~list~0.base)) (= 1 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 62823#(or (not (= main_~list~0.offset 0)) (and (not (= 0 main_~list~0.base)) (= 0 |main_#t~mem13.base|) (= 1 (select |#valid| 0)))), 62824#(or (not (= main_~list~0.offset 0)) (and (= 0 main_~end~0.base) (not (= 0 main_~list~0.base)) (= 1 (select |#valid| 0)))), 62825#(and (= 0 main_~end~0.base) (not (= 0 main_~list~0.base)) (= 1 (select |#valid| 0))), 62826#(and (= 0 main_~end~0.base) (= 1 (select |#valid| 0)))] [2018-04-10 15:36:36,966 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 15:36:36,966 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-10 15:36:36,966 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-10 15:36:36,966 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=894, Unknown=0, NotChecked=0, Total=992 [2018-04-10 15:36:36,966 INFO L87 Difference]: Start difference. First operand 600 states and 667 transitions. Second operand 32 states. [2018-04-10 15:36:38,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:36:38,297 INFO L93 Difference]: Finished difference Result 669 states and 737 transitions. [2018-04-10 15:36:38,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-10 15:36:38,297 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 72 [2018-04-10 15:36:38,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:36:38,298 INFO L225 Difference]: With dead ends: 669 [2018-04-10 15:36:38,298 INFO L226 Difference]: Without dead ends: 649 [2018-04-10 15:36:38,298 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 684 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=432, Invalid=2990, Unknown=0, NotChecked=0, Total=3422 [2018-04-10 15:36:38,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2018-04-10 15:36:38,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 622. [2018-04-10 15:36:38,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2018-04-10 15:36:38,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 690 transitions. [2018-04-10 15:36:38,301 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 690 transitions. Word has length 72 [2018-04-10 15:36:38,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:36:38,301 INFO L459 AbstractCegarLoop]: Abstraction has 622 states and 690 transitions. [2018-04-10 15:36:38,301 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-10 15:36:38,301 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 690 transitions. [2018-04-10 15:36:38,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-04-10 15:36:38,302 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:36:38,302 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-10 15:36:38,302 INFO L408 AbstractCegarLoop]: === Iteration 81 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:36:38,302 INFO L82 PathProgramCache]: Analyzing trace with hash 218772481, now seen corresponding path program 4 times [2018-04-10 15:36:38,303 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:36:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:36:38,308 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:36:38,744 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:36:38,744 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:36:38,745 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-10 15:36:38,745 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:36:38,745 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 15:36:38,745 INFO L182 omatonBuilderFactory]: Interpolants [64192#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 8 (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)))))), 64193#(or (and (= 0 (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 (= 8 (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))))) (= 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)))))), 64194#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))))), 64195#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (= 8 (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)))) (= 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))))), 64196#(and (= 8 (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)))) (= 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)))), 64197#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))), 64198#(and (= 8 (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))), 64199#(and (= 0 |main_#t~mem9.offset|) (= 8 (select |#length| |main_#t~mem9.base|))), 64200#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base))), 64172#true, 64173#false, 64174#(= 0 |main_#t~malloc0.offset|), 64175#(= 0 main_~list~0.offset), 64176#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 64177#(and (= 1 (select |#valid| main_~list~0.base)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset)), 64178#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset)), 64179#(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)))), 64180#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (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~mem3.base|))), 64181#(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))), 64182#(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))), 64183#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc5.base|)) (not (= |main_#t~malloc5.base| main_~end~0.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))), 64184#(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_~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 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 64185#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem6.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_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem6.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~mem6.base|)), 64186#(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))) (= 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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 64187#(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))) (= 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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 64188#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.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_#t~malloc2.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))) (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 64189#(and (= 8 (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))))) (= 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) (not (= (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))) (= 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 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 64190#(and (= |main_#t~mem3.offset| main_~list~0.offset) (= 8 (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)))) (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~mem3.base|)) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 64191#(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))) (= 8 (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)))) (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)))] [2018-04-10 15:36:38,745 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:36:38,745 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-10 15:36:38,745 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-10 15:36:38,745 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=730, Unknown=0, NotChecked=0, Total=812 [2018-04-10 15:36:38,746 INFO L87 Difference]: Start difference. First operand 622 states and 690 transitions. Second operand 29 states. [2018-04-10 15:36:40,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:36:40,570 INFO L93 Difference]: Finished difference Result 707 states and 780 transitions. [2018-04-10 15:36:40,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-04-10 15:36:40,570 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 72 [2018-04-10 15:36:40,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:36:40,571 INFO L225 Difference]: With dead ends: 707 [2018-04-10 15:36:40,571 INFO L226 Difference]: Without dead ends: 707 [2018-04-10 15:36:40,571 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 912 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=519, Invalid=3513, Unknown=0, NotChecked=0, Total=4032 [2018-04-10 15:36:40,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2018-04-10 15:36:40,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 629. [2018-04-10 15:36:40,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629 states. [2018-04-10 15:36:40,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 698 transitions. [2018-04-10 15:36:40,576 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 698 transitions. Word has length 72 [2018-04-10 15:36:40,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:36:40,576 INFO L459 AbstractCegarLoop]: Abstraction has 629 states and 698 transitions. [2018-04-10 15:36:40,576 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-10 15:36:40,576 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 698 transitions. [2018-04-10 15:36:40,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-04-10 15:36:40,577 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:36:40,577 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-10 15:36:40,577 INFO L408 AbstractCegarLoop]: === Iteration 82 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:36:40,577 INFO L82 PathProgramCache]: Analyzing trace with hash 218772480, now seen corresponding path program 4 times [2018-04-10 15:36:40,578 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:36:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:36:40,589 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:36:41,040 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:36:41,040 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:36:41,040 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-10 15:36:41,041 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:36:41,041 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 15:36:41,041 INFO L182 omatonBuilderFactory]: Interpolants [65607#true, 65609#(= 0 |main_#t~malloc0.offset|), 65608#false, 65611#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 65610#(= 0 main_~list~0.offset), 65613#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset)), 65612#(and (= 1 (select |#valid| main_~list~0.base)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset)), 65615#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (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~mem3.base|))), 65614#(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)))), 65617#(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))), 65616#(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))), 65619#(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_~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 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 65618#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc5.base|)) (not (= |main_#t~malloc5.base| main_~end~0.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))), 65621#(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))) (= 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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 65620#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem6.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_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem6.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~mem6.base|)), 65623#(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_#t~malloc2.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 (= |main_#t~malloc2.base| main_~end~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 65622#(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))) (= 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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 65625#(and (= |main_#t~mem3.offset| main_~list~0.offset) (= |main_#t~mem3.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)))) (not (= |main_#t~mem3.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_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 65624#(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))) (= (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)) (not (= (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))) (= 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)))), 65627#(or (and (= 1 (select |#valid| main_~end~0.base)) (= 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))))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset)) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)))), 65626#(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)))) (= 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))))) (and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base))), 65629#(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 (= 0 (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)))), 65628#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (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)))))), 65631#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 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))))), 65630#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))))), 65633#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))), 65632#(= 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)))), 65635#(= 1 (select |#valid| |main_#t~mem9.base|)), 65634#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 65636#(= 1 (select |#valid| main_~end~0.base))] [2018-04-10 15:36:41,041 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:36:41,041 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-10 15:36:41,041 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-10 15:36:41,041 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=783, Unknown=0, NotChecked=0, Total=870 [2018-04-10 15:36:41,041 INFO L87 Difference]: Start difference. First operand 629 states and 698 transitions. Second operand 30 states. [2018-04-10 15:36:43,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:36:43,001 INFO L93 Difference]: Finished difference Result 707 states and 780 transitions. [2018-04-10 15:36:43,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-04-10 15:36:43,001 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 72 [2018-04-10 15:36:43,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:36:43,002 INFO L225 Difference]: With dead ends: 707 [2018-04-10 15:36:43,002 INFO L226 Difference]: Without dead ends: 707 [2018-04-10 15:36:43,002 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1308 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=734, Invalid=4668, Unknown=0, NotChecked=0, Total=5402 [2018-04-10 15:36:43,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2018-04-10 15:36:43,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 598. [2018-04-10 15:36:43,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2018-04-10 15:36:43,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 663 transitions. [2018-04-10 15:36:43,005 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 663 transitions. Word has length 72 [2018-04-10 15:36:43,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:36:43,006 INFO L459 AbstractCegarLoop]: Abstraction has 598 states and 663 transitions. [2018-04-10 15:36:43,006 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-10 15:36:43,006 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 663 transitions. [2018-04-10 15:36:43,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-04-10 15:36:43,006 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:36:43,006 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, 1, 1, 1, 1, 1, 1, 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 15:36:43,006 INFO L408 AbstractCegarLoop]: === Iteration 83 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:36:43,006 INFO L82 PathProgramCache]: Analyzing trace with hash -744872030, now seen corresponding path program 3 times [2018-04-10 15:36:43,007 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:36:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:36:43,015 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:36:43,545 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 15:36:43,546 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:36:43,546 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-10 15:36:43,546 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:36:43,546 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 15:36:43,546 INFO L182 omatonBuilderFactory]: Interpolants [67031#false, 67030#true, 67033#(= 0 main_~list~0.offset), 67032#(= 0 |main_#t~malloc0.offset|), 67035#(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)), 67034#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 67037#(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)))), 67036#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset)), 67039#(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))), 67038#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (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~mem3.base|))), 67041#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc5.base|)) (= 8 (select |#length| |main_#t~malloc5.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_~end~0.base |main_#t~malloc5.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))), 67040#(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))), 67043#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 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))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| |main_#t~mem6.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~mem6.base|)), 67042#(and (= 8 (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))) (= (select |#valid| main_~end~0.base) (select |#valid| 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) (= 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))) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 67045#(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) (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~malloc2.base|)) (= 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))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc2.base|)) (= 8 (select |#length| main_~end~0.base))), 67044#(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) (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_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 67047#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 main_~list~0.offset) (= 8 (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| (select (select |#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| (select (select |#memory_$Pointer$.base| (select (select |#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) (not (= main_~list~0.base |main_#t~mem3.base|))), 67046#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~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))) (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))) (= (select |#valid| main_~end~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 67049#(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))) (= 8 (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| (select (select |#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~malloc5.base|)) (= |main_#t~malloc5.offset| main_~list~0.offset)), 67048#(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) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (= 8 (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| (select (select |#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| (select (select |#memory_$Pointer$.base| (select (select |#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)), 67051#(and (= |main_#t~mem6.offset| main_~list~0.offset) (= 8 (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| (select (select |#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~mem6.base|))), 67050#(and (= (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))) (= 8 (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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))), 67053#(or (and (= 8 (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| (select (select |#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 (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 67052#(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))) (= 8 (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| (select (select |#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))), 67055#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|)))), 67054#(or (and (= 8 (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)))) (= 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)))) (and (= 0 (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)))), 67057#(and (= 8 (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))), 67056#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (= 8 (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)))), 67059#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base))), 67058#(and (= 0 |main_#t~mem9.offset|) (= 8 (select |#length| |main_#t~mem9.base|)))] [2018-04-10 15:36:43,546 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 15:36:43,546 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-10 15:36:43,546 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-10 15:36:43,547 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=765, Unknown=0, NotChecked=0, Total=870 [2018-04-10 15:36:43,547 INFO L87 Difference]: Start difference. First operand 598 states and 663 transitions. Second operand 30 states. [2018-04-10 15:36:45,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:36:45,498 INFO L93 Difference]: Finished difference Result 748 states and 821 transitions. [2018-04-10 15:36:45,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-04-10 15:36:45,499 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 72 [2018-04-10 15:36:45,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:36:45,499 INFO L225 Difference]: With dead ends: 748 [2018-04-10 15:36:45,499 INFO L226 Difference]: Without dead ends: 748 [2018-04-10 15:36:45,500 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1028 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=653, Invalid=3637, Unknown=0, NotChecked=0, Total=4290 [2018-04-10 15:36:45,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2018-04-10 15:36:45,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 605. [2018-04-10 15:36:45,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 605 states. [2018-04-10 15:36:45,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 671 transitions. [2018-04-10 15:36:45,503 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 671 transitions. Word has length 72 [2018-04-10 15:36:45,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:36:45,503 INFO L459 AbstractCegarLoop]: Abstraction has 605 states and 671 transitions. [2018-04-10 15:36:45,503 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-10 15:36:45,503 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 671 transitions. [2018-04-10 15:36:45,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-04-10 15:36:45,503 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:36:45,503 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, 1, 1, 1, 1, 1, 1, 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 15:36:45,503 INFO L408 AbstractCegarLoop]: === Iteration 84 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:36:45,503 INFO L82 PathProgramCache]: Analyzing trace with hash -744872031, now seen corresponding path program 2 times [2018-04-10 15:36:45,504 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:36:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:36:45,511 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:36:46,117 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 15:36:46,117 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:36:46,117 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-10 15:36:46,117 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:36:46,117 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 15:36:46,117 INFO L182 omatonBuilderFactory]: Interpolants [68485#true, 68487#(= 0 |main_#t~malloc0.offset|), 68486#false, 68489#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 68488#(= 0 main_~list~0.offset), 68491#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= 0 |main_#t~malloc2.offset|)), 68490#(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)), 68493#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~list~0.base)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem3.base|))), 68492#(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))) (= 1 (select |#valid| main_~end~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 68495#(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_~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)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 68494#(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_~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) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 68497#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~list~0.base)) (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 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 68496#(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_~list~0.base)) (not (= |main_#t~malloc5.base| main_~end~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_#t~malloc5.base| main_~list~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 68499#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~list~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))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 68498#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~list~0.base)) (not (= |main_#t~mem6.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))) (not (= |main_#t~mem6.base| (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)) |main_#t~mem6.base|)), 68501#(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_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~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))) (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))), 68500#(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 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~malloc2.base|)) (= 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))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc2.base|))), 68503#(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| (select (select |#memory_$Pointer$.base| (select (select |#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)), 68502#(and (= 0 (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| 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~mem3.base|)) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem3.base|))), 68505#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.offset| 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))) (and (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)))) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~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 (= (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)))))), 68504#(and (not (= main_~end~0.base main_~list~0.base)) (or (and (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) |main_#t~malloc5.base|)) (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)))) (= |main_#t~malloc5.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_#t~malloc5.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (= |main_#t~malloc5.offset| main_~list~0.offset)), 68507#(or (and (= 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)) (or (and (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| 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)) (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_~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)))))), 68506#(and (or (and (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)))) (= |main_#t~mem6.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~mem6.base|))) (and (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= |main_#t~mem6.offset| main_~list~0.offset)), 68509#(or (and (= 0 (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))) (= 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)))) (and (= 0 (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))) (= 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))))), 68508#(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 (= 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))) (= 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 (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 68511#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (= 0 (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))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 68510#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|)))), 68513#(or (= 1 (select |#valid| |main_#t~mem9.base|)) (and (= 0 |main_#t~mem9.offset|) (= 0 |main_#t~mem9.base|))), 68512#(or (and (= 0 (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))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 68515#(= 1 (select |#valid| main_~end~0.base)), 68514#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 1 (select |#valid| main_~end~0.base)))] [2018-04-10 15:36:46,118 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 15:36:46,118 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-10 15:36:46,118 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-10 15:36:46,118 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=816, Unknown=0, NotChecked=0, Total=930 [2018-04-10 15:36:46,118 INFO L87 Difference]: Start difference. First operand 605 states and 671 transitions. Second operand 31 states. [2018-04-10 15:36:48,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:36:48,591 INFO L93 Difference]: Finished difference Result 748 states and 821 transitions. [2018-04-10 15:36:48,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-04-10 15:36:48,591 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 72 [2018-04-10 15:36:48,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:36:48,592 INFO L225 Difference]: With dead ends: 748 [2018-04-10 15:36:48,592 INFO L226 Difference]: Without dead ends: 748 [2018-04-10 15:36:48,592 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1693 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1121, Invalid=5041, Unknown=0, NotChecked=0, Total=6162 [2018-04-10 15:36:48,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2018-04-10 15:36:48,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 605. [2018-04-10 15:36:48,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 605 states. [2018-04-10 15:36:48,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 671 transitions. [2018-04-10 15:36:48,595 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 671 transitions. Word has length 72 [2018-04-10 15:36:48,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:36:48,595 INFO L459 AbstractCegarLoop]: Abstraction has 605 states and 671 transitions. [2018-04-10 15:36:48,595 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-10 15:36:48,595 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 671 transitions. [2018-04-10 15:36:48,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-10 15:36:48,595 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:36:48,595 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-10 15:36:48,595 INFO L408 AbstractCegarLoop]: === Iteration 85 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:36:48,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1560511108, now seen corresponding path program 1 times [2018-04-10 15:36:48,596 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:36:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:36:48,603 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:36:49,035 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:36:49,035 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:36:49,035 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-10 15:36:49,036 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:36:49,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:36:49,036 INFO L182 omatonBuilderFactory]: Interpolants [69965#true, 69967#(= 0 |main_#t~malloc0.offset|), 69966#false, 69969#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 69968#(= 0 main_~list~0.offset), 69971#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset)), 69970#(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)), 69973#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (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~mem3.base|))), 69972#(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)))), 69975#(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))), 69974#(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))), 69977#(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))), 69976#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.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~malloc2.base|)) (= 0 main_~list~0.offset) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 69979#(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)))), 69978#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= |main_#t~mem3.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) (= (select (select |#memory_$Pointer$.base| (select (select |#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~mem3.base|) (not (= main_~list~0.base |main_#t~mem3.base|))), 69981#(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))) (not (= main_~end~0.base |main_#t~malloc5.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| main_~list~0.offset)), 69980#(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)), 69983#(and (= |main_#t~mem6.offset| main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.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)))) (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~mem6.base|))), 69982#(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))) (= (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)))), 69985#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (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)))))), 69984#(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)))) (= 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))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 69987#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))))), 69986#(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 (= 0 (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)))), 69989#(= 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)))), 69988#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 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))))), 69991#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 69990#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem9.base|) |main_#t~mem9.offset|))), 69993#(= 1 (select |#valid| main_~end~0.base)), 69992#(= 1 (select |#valid| |main_#t~mem11.base|))] [2018-04-10 15:36:49,036 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:36:49,036 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-10 15:36:49,036 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-10 15:36:49,036 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2018-04-10 15:36:49,036 INFO L87 Difference]: Start difference. First operand 605 states and 671 transitions. Second operand 29 states. [2018-04-10 15:36:50,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:36:50,919 INFO L93 Difference]: Finished difference Result 725 states and 800 transitions. [2018-04-10 15:36:50,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-04-10 15:36:50,919 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 73 [2018-04-10 15:36:50,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:36:50,920 INFO L225 Difference]: With dead ends: 725 [2018-04-10 15:36:50,920 INFO L226 Difference]: Without dead ends: 725 [2018-04-10 15:36:50,920 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1198 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=709, Invalid=4261, Unknown=0, NotChecked=0, Total=4970 [2018-04-10 15:36:50,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2018-04-10 15:36:50,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 636. [2018-04-10 15:36:50,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 636 states. [2018-04-10 15:36:50,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 704 transitions. [2018-04-10 15:36:50,923 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 704 transitions. Word has length 73 [2018-04-10 15:36:50,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:36:50,924 INFO L459 AbstractCegarLoop]: Abstraction has 636 states and 704 transitions. [2018-04-10 15:36:50,924 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-10 15:36:50,924 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 704 transitions. [2018-04-10 15:36:50,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-10 15:36:50,924 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:36:50,924 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-10 15:36:50,924 INFO L408 AbstractCegarLoop]: === Iteration 86 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:36:50,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1560511107, now seen corresponding path program 1 times [2018-04-10 15:36:50,925 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:36:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:36:50,932 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:36:51,379 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:36:51,380 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:36:51,380 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-10 15:36:51,380 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:36:51,380 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 15:36:51,380 INFO L182 omatonBuilderFactory]: Interpolants [71439#true, 71441#(= 0 |main_#t~malloc0.offset|), 71440#false, 71443#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 71442#(= 0 main_~list~0.offset), 71445#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset)), 71444#(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)), 71447#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (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~mem3.base|))), 71446#(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)))), 71449#(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))), 71448#(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))), 71451#(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))), 71450#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.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~malloc2.base|)) (= 0 main_~list~0.offset) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 71453#(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)))), 71452#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= |main_#t~mem3.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) (= (select (select |#memory_$Pointer$.base| (select (select |#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~mem3.base|) (not (= main_~list~0.base |main_#t~mem3.base|))), 71455#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~end~0.base main_~list~0.base)) (= 8 (select |#length| |main_#t~malloc5.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 (= main_~end~0.base |main_#t~malloc5.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| main_~list~0.offset)), 71454#(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)), 71457#(and (= |main_#t~mem6.offset| main_~list~0.offset) (= 8 (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)))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.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~mem6.base|))), 71456#(and (= 8 (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))))) (= 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)))), 71459#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 8 (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)))))), 71458#(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))) (= 8 (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)))) (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))), 71461#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))))), 71460#(or (and (= 0 (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 (= 8 (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))))) (= 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)))))), 71463#(and (= 8 (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)))) (= 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)))), 71462#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (= 8 (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)))) (= 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))))), 71465#(and (= 8 (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))), 71464#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem9.base|) |main_#t~mem9.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem9.base|) |main_#t~mem9.offset|))), 71467#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base))), 71466#(and (= 0 |main_#t~mem11.offset|) (= 8 (select |#length| |main_#t~mem11.base|)))] [2018-04-10 15:36:51,380 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:36:51,380 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-10 15:36:51,381 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-10 15:36:51,381 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=730, Unknown=0, NotChecked=0, Total=812 [2018-04-10 15:36:51,381 INFO L87 Difference]: Start difference. First operand 636 states and 704 transitions. Second operand 29 states. [2018-04-10 15:36:53,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:36:53,438 INFO L93 Difference]: Finished difference Result 731 states and 807 transitions. [2018-04-10 15:36:53,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-04-10 15:36:53,438 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 73 [2018-04-10 15:36:53,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:36:53,439 INFO L225 Difference]: With dead ends: 731 [2018-04-10 15:36:53,439 INFO L226 Difference]: Without dead ends: 731 [2018-04-10 15:36:53,439 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 937 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=533, Invalid=3627, Unknown=0, NotChecked=0, Total=4160 [2018-04-10 15:36:53,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2018-04-10 15:36:53,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 632. [2018-04-10 15:36:53,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2018-04-10 15:36:53,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 699 transitions. [2018-04-10 15:36:53,443 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 699 transitions. Word has length 73 [2018-04-10 15:36:53,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:36:53,443 INFO L459 AbstractCegarLoop]: Abstraction has 632 states and 699 transitions. [2018-04-10 15:36:53,443 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-10 15:36:53,443 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 699 transitions. [2018-04-10 15:36:53,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-10 15:36:53,443 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:36:53,444 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-10 15:36:53,444 INFO L408 AbstractCegarLoop]: === Iteration 87 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:36:53,444 INFO L82 PathProgramCache]: Analyzing trace with hash -137897494, now seen corresponding path program 2 times [2018-04-10 15:36:53,444 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:36:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:36:53,451 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:36:53,870 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:36:53,871 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:36:53,871 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-10 15:36:53,871 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:36:53,871 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 15:36:53,871 INFO L182 omatonBuilderFactory]: Interpolants [72903#true, 72905#(= 0 |main_#t~malloc0.offset|), 72904#false, 72907#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 72906#(= 0 main_~list~0.offset), 72909#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset)), 72908#(and (= 1 (select |#valid| main_~list~0.base)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset)), 72911#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (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~mem3.base|))), 72910#(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)))), 72913#(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))), 72912#(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))), 72915#(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_~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 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 72914#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc5.base|)) (not (= |main_#t~malloc5.base| main_~end~0.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))), 72917#(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))) (= 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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 72916#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem6.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_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem6.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~mem6.base|)), 72919#(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_#t~malloc2.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 (= |main_#t~malloc2.base| main_~end~0.base)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 72918#(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))) (= 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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 72921#(and (= |main_#t~mem3.offset| main_~list~0.offset) (= |main_#t~mem3.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)))) (not (= |main_#t~mem3.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_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 72920#(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))) (= (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)) (not (= (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))) (= 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)))), 72923#(or (and (= 1 (select |#valid| main_~end~0.base)) (= 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))))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset)) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset)))), 72922#(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)))) (= 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))))) (and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base))), 72925#(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 (= 0 (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)))), 72924#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (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)))))), 72927#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 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))))), 72926#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))))), 72929#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem9.base|) |main_#t~mem9.offset|))), 72928#(= 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)))), 72931#(= 1 (select |#valid| |main_#t~mem11.base|)), 72930#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 72932#(= 1 (select |#valid| main_~end~0.base))] [2018-04-10 15:36:53,871 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:36:53,871 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-10 15:36:53,872 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-10 15:36:53,872 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=783, Unknown=0, NotChecked=0, Total=870 [2018-04-10 15:36:53,872 INFO L87 Difference]: Start difference. First operand 632 states and 699 transitions. Second operand 30 states. [2018-04-10 15:36:55,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:36:55,750 INFO L93 Difference]: Finished difference Result 730 states and 805 transitions. [2018-04-10 15:36:55,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-04-10 15:36:55,751 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 73 [2018-04-10 15:36:55,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:36:55,751 INFO L225 Difference]: With dead ends: 730 [2018-04-10 15:36:55,752 INFO L226 Difference]: Without dead ends: 730 [2018-04-10 15:36:55,752 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1181 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=692, Invalid=4278, Unknown=0, NotChecked=0, Total=4970 [2018-04-10 15:36:55,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2018-04-10 15:36:55,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 645. [2018-04-10 15:36:55,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2018-04-10 15:36:55,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 713 transitions. [2018-04-10 15:36:55,755 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 713 transitions. Word has length 73 [2018-04-10 15:36:55,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:36:55,755 INFO L459 AbstractCegarLoop]: Abstraction has 645 states and 713 transitions. [2018-04-10 15:36:55,755 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-10 15:36:55,755 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 713 transitions. [2018-04-10 15:36:55,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-10 15:36:55,756 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:36:55,756 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-10 15:36:55,756 INFO L408 AbstractCegarLoop]: === Iteration 88 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:36:55,756 INFO L82 PathProgramCache]: Analyzing trace with hash -137897493, now seen corresponding path program 2 times [2018-04-10 15:36:55,756 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:36:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:36:55,762 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:36:56,218 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:36:56,219 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:36:56,219 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-10 15:36:56,219 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:36:56,219 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 15:36:56,219 INFO L182 omatonBuilderFactory]: Interpolants [74391#false, 74390#true, 74393#(= 0 main_~list~0.offset), 74392#(= 0 |main_#t~malloc0.offset|), 74395#(and (= 1 (select |#valid| main_~list~0.base)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset)), 74394#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 74397#(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)))), 74396#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset)), 74399#(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))), 74398#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (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~mem3.base|))), 74401#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc5.base|)) (not (= |main_#t~malloc5.base| main_~end~0.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))), 74400#(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))), 74403#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem6.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_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem6.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~mem6.base|)), 74402#(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_~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 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 74405#(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))) (= 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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 74404#(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))) (= 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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 74407#(and (= 8 (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))))) (= 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) (not (= (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))) (= 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 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 74406#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.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_#t~malloc2.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))) (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 74409#(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))) (= 8 (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)))) (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))), 74408#(and (= |main_#t~mem3.offset| main_~list~0.offset) (= 8 (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)))) (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~mem3.base|)) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 74411#(or (and (= 0 (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 (= 8 (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))))) (= 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)))))), 74410#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 8 (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)))))), 74413#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (= 8 (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)))) (= 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))))), 74412#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))))), 74415#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem9.base|) |main_#t~mem9.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem9.base|) |main_#t~mem9.offset|))), 74414#(and (= 8 (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)))) (= 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)))), 74417#(and (= 0 |main_#t~mem11.offset|) (= 8 (select |#length| |main_#t~mem11.base|))), 74416#(and (= 8 (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))), 74418#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base)))] [2018-04-10 15:36:56,219 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:36:56,220 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-10 15:36:56,220 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-10 15:36:56,220 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=730, Unknown=0, NotChecked=0, Total=812 [2018-04-10 15:36:56,220 INFO L87 Difference]: Start difference. First operand 645 states and 713 transitions. Second operand 29 states. [2018-04-10 15:36:58,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:36:58,196 INFO L93 Difference]: Finished difference Result 736 states and 812 transitions. [2018-04-10 15:36:58,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-04-10 15:36:58,197 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 73 [2018-04-10 15:36:58,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:36:58,198 INFO L225 Difference]: With dead ends: 736 [2018-04-10 15:36:58,198 INFO L226 Difference]: Without dead ends: 736 [2018-04-10 15:36:58,198 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 911 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=519, Invalid=3513, Unknown=0, NotChecked=0, Total=4032 [2018-04-10 15:36:58,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2018-04-10 15:36:58,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 614. [2018-04-10 15:36:58,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2018-04-10 15:36:58,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 680 transitions. [2018-04-10 15:36:58,204 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 680 transitions. Word has length 73 [2018-04-10 15:36:58,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:36:58,204 INFO L459 AbstractCegarLoop]: Abstraction has 614 states and 680 transitions. [2018-04-10 15:36:58,204 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-10 15:36:58,204 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 680 transitions. [2018-04-10 15:36:58,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-04-10 15:36:58,205 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:36:58,205 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:36:58,205 INFO L408 AbstractCegarLoop]: === Iteration 89 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:36:58,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1725274572, now seen corresponding path program 7 times [2018-04-10 15:36:58,206 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:36:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:36:58,218 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:36:58,683 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:36:58,683 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:36:58,683 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-10 15:36:58,684 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:36:58,684 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 15:36:58,684 INFO L182 omatonBuilderFactory]: Interpolants [75841#(= 0 |main_#t~malloc0.offset|), 75840#false, 75843#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 75842#(= 0 main_~list~0.offset), 75845#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset)), 75844#(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)), 75847#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (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~mem3.base|))), 75846#(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)))), 75849#(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))), 75848#(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))), 75851#(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))), 75850#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.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~malloc2.base|)) (= 0 main_~list~0.offset) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 75853#(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)))), 75852#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= |main_#t~mem3.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) (= (select (select |#memory_$Pointer$.base| (select (select |#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~mem3.base|) (not (= main_~list~0.base |main_#t~mem3.base|))), 75855#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.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_#t~malloc2.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) |main_#t~malloc2.base|))), 75854#(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))) (= 1 (select |#valid| main_~end~0.base))), 75857#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= |main_#t~mem3.offset| main_~list~0.offset) (= |main_#t~mem3.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)))) (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~mem3.base|))), 75856#(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))) (= (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)))), 75859#(or (and (= 1 (select |#valid| main_~end~0.base)) (= 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))))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 75858#(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)))) (= 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))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 75861#(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 (= 0 (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)))), 75860#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (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)))))), 75863#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 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))))), 75862#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))))), 75865#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))), 75864#(= 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)))), 75867#(= 1 (select |#valid| |main_#t~mem11.base|)), 75866#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 75868#(= 1 (select |#valid| main_~end~0.base)), 75839#true] [2018-04-10 15:36:58,684 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:36:58,684 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-10 15:36:58,684 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-10 15:36:58,684 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=783, Unknown=0, NotChecked=0, Total=870 [2018-04-10 15:36:58,684 INFO L87 Difference]: Start difference. First operand 614 states and 680 transitions. Second operand 30 states. [2018-04-10 15:37:00,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:37:00,787 INFO L93 Difference]: Finished difference Result 694 states and 764 transitions. [2018-04-10 15:37:00,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-04-10 15:37:00,787 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 75 [2018-04-10 15:37:00,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:37:00,788 INFO L225 Difference]: With dead ends: 694 [2018-04-10 15:37:00,788 INFO L226 Difference]: Without dead ends: 694 [2018-04-10 15:37:00,788 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1450 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=786, Invalid=5066, Unknown=0, NotChecked=0, Total=5852 [2018-04-10 15:37:00,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2018-04-10 15:37:00,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 619. [2018-04-10 15:37:00,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 619 states. [2018-04-10 15:37:00,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 687 transitions. [2018-04-10 15:37:00,791 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 687 transitions. Word has length 75 [2018-04-10 15:37:00,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:37:00,791 INFO L459 AbstractCegarLoop]: Abstraction has 619 states and 687 transitions. [2018-04-10 15:37:00,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-10 15:37:00,792 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 687 transitions. [2018-04-10 15:37:00,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-04-10 15:37:00,792 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:37:00,792 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:37:00,792 INFO L408 AbstractCegarLoop]: === Iteration 90 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:37:00,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1725274571, now seen corresponding path program 5 times [2018-04-10 15:37:00,793 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:37:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:37:00,800 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:37:01,318 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:37:01,319 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:37:01,319 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-10 15:37:01,319 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:37:01,319 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 15:37:01,319 INFO L182 omatonBuilderFactory]: Interpolants [77277#false, 77276#true, 77279#(= 0 main_~list~0.offset), 77278#(= 0 |main_#t~malloc0.offset|), 77281#(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)), 77280#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 77283#(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))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 77282#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= |main_#t~malloc2.offset| 0)), 77285#(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.offset 0) (= 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)), 77284#(and (= 0 (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~mem3.base|) (= 0 main_~list~0.offset) (= 0 |main_#t~mem3.offset|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem3.base|))), 77287#(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~malloc2.base|)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc2.base|)) (= 0 main_~list~0.offset)), 77286#(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.offset 0) (= 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)), 77289#(and (= 0 (select (select |#memory_$Pointer$.offset| 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)) 0) |main_#t~mem3.base|) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) |main_#t~mem3.offset|) (not (= main_~list~0.base |main_#t~mem3.base|))), 77288#(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.offset 0) (= 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)))), 77291#(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) (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.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~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)) 0)) (= 1 (select |#valid| main_~end~0.base))), 77290#(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) (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.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~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)) 0))), 77293#(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 (= (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))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 8 (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)) 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) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))), 77292#(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~malloc2.base|)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~malloc2.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)) 0)) (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc2.base|))), 77295#(and (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))) (or (and (= 8 (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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)))), 77294#(and (= 0 (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~mem3.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) |main_#t~mem3.base|)) (= |main_#t~mem3.offset| main_~list~0.offset) (= 8 (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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.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)) 0)))), 77297#(and (or (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (and (= 8 (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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (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_~end~0.base) main_~end~0.offset)) 0))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 77296#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (and (= 8 (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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.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)) 0)))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 77299#(and (or (= main_~end~0.base 0) (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) 0))) (= 8 (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) 0)))))) (= main_~end~0.offset 0)), 77298#(and (= 0 |main_#t~mem11.offset|) (or (= 0 |main_#t~mem11.base|) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) 0))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) 0))))))), 77301#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))), 77300#(and (= 8 (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)))) (= 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)))), 77303#(and (= 0 |main_#t~mem11.offset|) (= 8 (select |#length| |main_#t~mem11.base|))), 77302#(and (= 8 (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))), 77304#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base)))] [2018-04-10 15:37:01,319 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:37:01,320 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-10 15:37:01,320 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-10 15:37:01,320 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=731, Unknown=0, NotChecked=0, Total=812 [2018-04-10 15:37:01,320 INFO L87 Difference]: Start difference. First operand 619 states and 687 transitions. Second operand 29 states. [2018-04-10 15:37:03,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:37:03,865 INFO L93 Difference]: Finished difference Result 697 states and 768 transitions. [2018-04-10 15:37:03,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-04-10 15:37:03,865 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 75 [2018-04-10 15:37:03,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:37:03,866 INFO L225 Difference]: With dead ends: 697 [2018-04-10 15:37:03,867 INFO L226 Difference]: Without dead ends: 697 [2018-04-10 15:37:03,867 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 975 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=563, Invalid=3859, Unknown=0, NotChecked=0, Total=4422 [2018-04-10 15:37:03,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2018-04-10 15:37:03,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 620. [2018-04-10 15:37:03,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 620 states. [2018-04-10 15:37:03,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 688 transitions. [2018-04-10 15:37:03,872 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 688 transitions. Word has length 75 [2018-04-10 15:37:03,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:37:03,873 INFO L459 AbstractCegarLoop]: Abstraction has 620 states and 688 transitions. [2018-04-10 15:37:03,873 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-10 15:37:03,873 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 688 transitions. [2018-04-10 15:37:03,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-04-10 15:37:03,873 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:37:03,874 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2018-04-10 15:37:03,874 INFO L408 AbstractCegarLoop]: === Iteration 91 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:37:03,874 INFO L82 PathProgramCache]: Analyzing trace with hash 414502421, now seen corresponding path program 9 times [2018-04-10 15:37:03,875 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:37:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:37:03,889 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:37:04,528 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:37:04,529 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:37:04,529 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-10 15:37:04,529 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:37:04,529 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 15:37:04,529 INFO L182 omatonBuilderFactory]: Interpolants [78721#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 0 (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)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= 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))) (= 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))))))), 78720#(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)) (or (and (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| 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)) (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_~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)))))), 78723#(and (= 0 |main_#t~mem11.offset|) (or (= 0 |main_#t~mem11.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))))), 78722#(and (or (= 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)))) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (and (= 0 (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))) (= 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))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 78725#(or (and (= 0 (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))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 78724#(and (= main_~end~0.offset 0) (or (and (= 0 (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.base 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))))), 78727#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 1 (select |#valid| main_~end~0.base))), 78726#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (= 1 (select |#valid| |main_#t~mem11.base|))), 78728#(= 1 (select |#valid| main_~end~0.base)), 78699#false, 78698#true, 78701#(= 0 main_~list~0.offset), 78700#(= 0 |main_#t~malloc0.offset|), 78703#(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)), 78702#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 78705#(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))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 78704#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= 0 |main_#t~malloc2.offset|)), 78707#(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_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 78706#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (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~mem3.base|))), 78709#(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~malloc2.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~malloc2.base|)) (= 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))), 78708#(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) (= 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))), 78711#(and (= 0 (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~mem3.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 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)) |main_#t~mem3.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem3.base|))), 78710#(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 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~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))), 78713#(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 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~malloc2.base|)) (= 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))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc2.base|))), 78712#(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) (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_~list~0.base) 1)), 78715#(and (= 0 (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| 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~mem3.base|)) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem3.base|))), 78714#(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) (= 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))) (= 1 (select |#valid| main_~end~0.base))), 78717#(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_#t~malloc5.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_#t~malloc5.offset| 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)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= |main_#t~malloc5.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))))), 78716#(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| (select (select |#memory_$Pointer$.base| (select (select |#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)), 78719#(and (= 0 (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)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= |main_#t~mem6.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~mem6.offset| main_~list~0.offset) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 78718#(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) (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)))) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~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)))) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))] [2018-04-10 15:37:04,529 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:37:04,529 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-10 15:37:04,530 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-10 15:37:04,530 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=815, Unknown=0, NotChecked=0, Total=930 [2018-04-10 15:37:04,530 INFO L87 Difference]: Start difference. First operand 620 states and 688 transitions. Second operand 31 states. [2018-04-10 15:37:07,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:37:07,347 INFO L93 Difference]: Finished difference Result 867 states and 959 transitions. [2018-04-10 15:37:07,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-04-10 15:37:07,348 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 75 [2018-04-10 15:37:07,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:37:07,348 INFO L225 Difference]: With dead ends: 867 [2018-04-10 15:37:07,348 INFO L226 Difference]: Without dead ends: 867 [2018-04-10 15:37:07,349 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1805 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1176, Invalid=5466, Unknown=0, NotChecked=0, Total=6642 [2018-04-10 15:37:07,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2018-04-10 15:37:07,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 682. [2018-04-10 15:37:07,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-04-10 15:37:07,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 757 transitions. [2018-04-10 15:37:07,352 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 757 transitions. Word has length 75 [2018-04-10 15:37:07,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:37:07,352 INFO L459 AbstractCegarLoop]: Abstraction has 682 states and 757 transitions. [2018-04-10 15:37:07,352 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-10 15:37:07,352 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 757 transitions. [2018-04-10 15:37:07,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-04-10 15:37:07,353 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:37:07,353 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2018-04-10 15:37:07,353 INFO L408 AbstractCegarLoop]: === Iteration 92 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:37:07,353 INFO L82 PathProgramCache]: Analyzing trace with hash 414502422, now seen corresponding path program 8 times [2018-04-10 15:37:07,353 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:37:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:37:07,364 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:37:08,013 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:37:08,013 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:37:08,013 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-10 15:37:08,013 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:37:08,013 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 15:37:08,014 INFO L182 omatonBuilderFactory]: Interpolants [80385#(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)), 80384#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 80387#(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))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 80386#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= 0 |main_#t~malloc2.offset|)), 80389#(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_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 80388#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (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~mem3.base|))), 80391#(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~malloc2.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~malloc2.base|)) (= 0 main_~list~0.offset) (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.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))), 80390#(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) (= 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))), 80393#(and (= 0 (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~mem3.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 8 (select |#length| |main_#t~mem3.base|)) (= 0 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 (select |#memory_$Pointer$.base| (select (select |#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~mem3.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem3.base|))), 80392#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 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) (= 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))) (= (select |#valid| main_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 80395#(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 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~malloc2.base|)) (= 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))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc2.base|)) (= 8 (select |#length| main_~end~0.base))), 80394#(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) (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_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 80397#(and (= 0 (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~mem3.base|)) (= 0 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))) (<= 8 (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 (= (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))) 0)) (not (= main_~list~0.base |main_#t~mem3.base|))), 80396#(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))) (= (select |#length| main_~end~0.base) 8) (= 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))) (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))) (not (= (select |#valid| main_~end~0.base) 0))), 80399#(and (not (= main_~end~0.base main_~list~0.base)) (= |main_#t~malloc5.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))) (<= 8 (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~malloc5.offset| main_~list~0.offset) (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))) (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 80398#(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 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 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))) (<= 8 (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 (= (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))) 0))), 80401#(and (= |main_#t~mem6.offset| main_~list~0.offset) (or (= |main_#t~mem6.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)))) (<= 8 (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~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 80400#(and (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))) (= (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))) (= (select (select |#memory_$Pointer$.offset| 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) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= 8 (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))))), 80403#(or (and (or (= 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))) (<= 8 (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| (select (select |#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 (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 80402#(or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)) (and (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))) (<= 8 (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_~end~0.base main_~list~0.base)) (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 (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))))))), 80405#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (and (or (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|)))), 80404#(or (and (= 0 (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 (= 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))) (or (<= 8 (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)))) (= 0 (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)))))), 80407#(and (or (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (<= 8 (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))), 80406#(or (and (or (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (<= 8 (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))) (and (= main_~end~0.offset 0) (= main_~end~0.base 0))), 80409#(and (= main_~end~0.offset 0) (or (= main_~end~0.base 0) (<= 8 (select |#length| main_~end~0.base)))), 80408#(and (= 0 |main_#t~mem11.offset|) (or (<= 8 (select |#length| |main_#t~mem11.base|)) (= 0 |main_#t~mem11.base|))), 80410#(and (= main_~end~0.offset 0) (<= 8 (select |#length| main_~end~0.base))), 80381#false, 80380#true, 80383#(= 0 main_~list~0.offset), 80382#(= 0 |main_#t~malloc0.offset|)] [2018-04-10 15:37:08,014 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:37:08,014 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-10 15:37:08,014 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-10 15:37:08,014 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=820, Unknown=0, NotChecked=0, Total=930 [2018-04-10 15:37:08,014 INFO L87 Difference]: Start difference. First operand 682 states and 757 transitions. Second operand 31 states. [2018-04-10 15:37:11,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:37:11,007 INFO L93 Difference]: Finished difference Result 886 states and 979 transitions. [2018-04-10 15:37:11,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-04-10 15:37:11,008 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 75 [2018-04-10 15:37:11,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:37:11,010 INFO L225 Difference]: With dead ends: 886 [2018-04-10 15:37:11,010 INFO L226 Difference]: Without dead ends: 886 [2018-04-10 15:37:11,010 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1813 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1091, Invalid=5551, Unknown=0, NotChecked=0, Total=6642 [2018-04-10 15:37:11,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2018-04-10 15:37:11,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 681. [2018-04-10 15:37:11,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 681 states. [2018-04-10 15:37:11,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 755 transitions. [2018-04-10 15:37:11,016 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 755 transitions. Word has length 75 [2018-04-10 15:37:11,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:37:11,016 INFO L459 AbstractCegarLoop]: Abstraction has 681 states and 755 transitions. [2018-04-10 15:37:11,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-10 15:37:11,016 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 755 transitions. [2018-04-10 15:37:11,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-04-10 15:37:11,025 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:37:11,025 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2018-04-10 15:37:11,025 INFO L408 AbstractCegarLoop]: === Iteration 93 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:37:11,025 INFO L82 PathProgramCache]: Analyzing trace with hash 160505319, now seen corresponding path program 10 times [2018-04-10 15:37:11,026 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:37:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:37:11,035 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:37:11,760 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:37:11,760 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:37:11,761 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-10 15:37:11,761 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:37:11,761 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 15:37:11,761 INFO L182 omatonBuilderFactory]: Interpolants [82081#false, 82080#true, 82083#(= 0 main_~list~0.offset), 82082#(= 0 |main_#t~malloc0.offset|), 82085#(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)), 82084#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 82087#(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))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 82086#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= 0 |main_#t~malloc2.offset|)), 82089#(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_~list~0.base) 1) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 82088#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (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~mem3.base|))), 82091#(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~malloc2.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~malloc2.base|)) (= 0 main_~list~0.offset) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 82090#(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) (= 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))), 82093#(and (= 0 (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~mem3.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 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)) |main_#t~mem3.base|) (not (= main_~list~0.base |main_#t~mem3.base|))), 82092#(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 (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))), 82095#(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)) (not (= main_~list~0.base |main_#t~malloc5.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))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc5.base|))) (and (= 0 main_~list~0.offset) (= |main_#t~malloc5.offset| main_~list~0.offset) (= main_~list~0.base |main_#t~malloc5.base|))), 82094#(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) (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)))), 82097#(or (and (= |main_#t~mem6.offset| main_~list~0.offset) (= 0 main_~list~0.offset) (= |main_#t~mem6.base| main_~list~0.base)) (and (= 0 (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| 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~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)))), 82096#(or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)) (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) (= 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))) (= 1 (select |#valid| main_~end~0.base)))), 82099#(or (and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= 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)) (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)))) (= |main_#t~malloc2.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 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~malloc2.offset| main_~list~0.offset) (or (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc2.base|)) (= |main_#t~malloc2.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (and (= |main_#t~malloc2.base| main_~list~0.base) (= |main_#t~malloc2.offset| main_~list~0.offset))), 82098#(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)) (= 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))) (= 0 main_~list~0.offset)) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset))), 82101#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= |main_#t~mem3.offset| 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)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))) (= |main_#t~mem3.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_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem3.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem3.base|))) (and (= |main_#t~mem3.offset| main_~list~0.offset) (= |main_#t~mem3.base| main_~list~0.base))), 82100#(or (and (or (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~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 (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| (select (select |#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_~end~0.base) main_~end~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 (= main_~end~0.base main_~list~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)))) (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))), 82103#(or (and (= 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))) (= 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 (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (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)))) (= 1 (select |#valid| main_~end~0.base)))), 82102#(or (and (= 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)) (or (and (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| 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)) (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_~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)))))), 82105#(or (and (= 0 (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))) (= 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)))) (and (= 0 (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))) (= 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))))), 82104#(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 (= 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))) (= 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 (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 82107#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (= 0 (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))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 82106#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|)))), 82109#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (= 1 (select |#valid| |main_#t~mem11.base|))), 82108#(or (and (= 0 (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))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 82111#(= 1 (select |#valid| main_~end~0.base)), 82110#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 1 (select |#valid| main_~end~0.base)))] [2018-04-10 15:37:11,761 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:37:11,761 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-10 15:37:11,761 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-10 15:37:11,762 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=883, Unknown=0, NotChecked=0, Total=992 [2018-04-10 15:37:11,762 INFO L87 Difference]: Start difference. First operand 681 states and 755 transitions. Second operand 32 states. [2018-04-10 15:37:14,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:37:14,852 INFO L93 Difference]: Finished difference Result 892 states and 987 transitions. [2018-04-10 15:37:14,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-04-10 15:37:14,852 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 75 [2018-04-10 15:37:14,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:37:14,853 INFO L225 Difference]: With dead ends: 892 [2018-04-10 15:37:14,853 INFO L226 Difference]: Without dead ends: 892 [2018-04-10 15:37:14,853 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1846 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1264, Invalid=5542, Unknown=0, NotChecked=0, Total=6806 [2018-04-10 15:37:14,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2018-04-10 15:37:14,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 710. [2018-04-10 15:37:14,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 710 states. [2018-04-10 15:37:14,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 787 transitions. [2018-04-10 15:37:14,857 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 787 transitions. Word has length 75 [2018-04-10 15:37:14,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:37:14,857 INFO L459 AbstractCegarLoop]: Abstraction has 710 states and 787 transitions. [2018-04-10 15:37:14,857 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-10 15:37:14,857 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 787 transitions. [2018-04-10 15:37:14,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-04-10 15:37:14,858 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:37:14,858 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2018-04-10 15:37:14,858 INFO L408 AbstractCegarLoop]: === Iteration 94 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:37:14,858 INFO L82 PathProgramCache]: Analyzing trace with hash 160505320, now seen corresponding path program 9 times [2018-04-10 15:37:14,858 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:37:14,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:37:14,868 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:37:15,658 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:37:15,659 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:37:15,659 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-10 15:37:15,659 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:37:15,659 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 15:37:15,659 INFO L182 omatonBuilderFactory]: Interpolants [83841#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)))) (= 0 (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_~end~0.base) main_~end~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 83840#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 83843#(and (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0))) (and (= 8 (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) 0))) (= main_~end~0.base 0)) (= main_~end~0.offset 0)), 83842#(and (= 0 |main_#t~mem11.offset|) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) 0))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) 0))) (= 0 |main_#t~mem11.base|) (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) 0)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) 0))))), 83845#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (and (= 0 |main_#t~mem11.offset|) (= 8 (select |#length| |main_#t~mem11.base|)))), 83844#(or (and (= 8 (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))) (and (= 0 (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)))), 83847#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base))), 83846#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base)))), 83817#false, 83816#true, 83819#(= 0 main_~list~0.offset), 83818#(= 0 |main_#t~malloc0.offset|), 83821#(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)), 83820#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 83823#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 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)))), 83822#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= |main_#t~malloc2.offset| 0)), 83825#(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.offset 0) (= 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)), 83824#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem3.offset| 0) (= |main_#t~mem3.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) (not (= main_~list~0.base |main_#t~mem3.base|))), 83827#(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~malloc2.base|)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc2.base|)) (= 0 main_~list~0.offset) (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|)) (= (select |#valid| main_~list~0.base) 1)), 83826#(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.offset 0) (= 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)), 83829#(and (= 0 (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~mem3.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 8 (select |#length| |main_#t~mem3.base|)) (= 0 main_~list~0.offset) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem3.base|))), 83828#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= main_~end~0.offset 0) (= 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)), 83831#(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 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (not (= 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_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 83830#(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 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (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)) 0)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 83833#(and (= 0 (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)) 0)) (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) (= 0 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))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 8 (select |#length| main_~end~0.base))), 83832#(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 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= main_~list~0.base |main_#t~malloc5.base|)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| 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~malloc5.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= |main_#t~malloc5.offset| main_~list~0.offset) (= 8 (select |#length| main_~end~0.base))), 83835#(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 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= main_~end~0.offset 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) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))), 83834#(and (= 0 (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)) 0)) (= |main_#t~mem6.offset| main_~list~0.offset) (= 0 main_~list~0.offset) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|))), 83837#(and (or (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (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)) 0)) (= (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)) (or (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))), 83836#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 |main_#t~malloc2.offset|) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~malloc2.offset| main_~list~0.offset)) (and (= |main_#t~malloc2.base| main_~list~0.base) (= |main_#t~malloc2.offset| main_~list~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))), 83839#(and (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))) (or (and (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)))), 83838#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= |main_#t~mem3.offset| main_~list~0.offset) (or (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem3.base| main_~list~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (or (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= |main_#t~mem3.offset| 0)))] [2018-04-10 15:37:15,659 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:37:15,660 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-10 15:37:15,660 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-10 15:37:15,660 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=875, Unknown=0, NotChecked=0, Total=992 [2018-04-10 15:37:15,660 INFO L87 Difference]: Start difference. First operand 710 states and 787 transitions. Second operand 32 states. [2018-04-10 15:37:17,703 WARN L151 SmtUtils]: Spent 104ms on a formula simplification. DAG size of input: 59 DAG size of output 51 [2018-04-10 15:37:18,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:37:18,863 INFO L93 Difference]: Finished difference Result 907 states and 1003 transitions. [2018-04-10 15:37:18,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-04-10 15:37:18,863 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 75 [2018-04-10 15:37:18,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:37:18,864 INFO L225 Difference]: With dead ends: 907 [2018-04-10 15:37:18,864 INFO L226 Difference]: Without dead ends: 907 [2018-04-10 15:37:18,864 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1677 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=997, Invalid=5165, Unknown=0, NotChecked=0, Total=6162 [2018-04-10 15:37:18,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2018-04-10 15:37:18,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 692. [2018-04-10 15:37:18,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 692 states. [2018-04-10 15:37:18,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 768 transitions. [2018-04-10 15:37:18,867 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 768 transitions. Word has length 75 [2018-04-10 15:37:18,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:37:18,867 INFO L459 AbstractCegarLoop]: Abstraction has 692 states and 768 transitions. [2018-04-10 15:37:18,867 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-10 15:37:18,867 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 768 transitions. [2018-04-10 15:37:18,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-04-10 15:37:18,868 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:37:18,868 INFO L355 BasicCegarLoop]: trace histogram [4, 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] [2018-04-10 15:37:18,868 INFO L408 AbstractCegarLoop]: === Iteration 95 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:37:18,868 INFO L82 PathProgramCache]: Analyzing trace with hash 2071675528, now seen corresponding path program 11 times [2018-04-10 15:37:18,869 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:37:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:37:18,878 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:37:19,291 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:37:19,291 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:37:19,291 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-10 15:37:19,291 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:37:19,292 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 15:37:19,292 INFO L182 omatonBuilderFactory]: Interpolants [85569#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (= 1 (select |#valid| |main_#t~mem11.base|))), 85568#(or (and (= 0 (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))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 85571#(= 1 (select |#valid| main_~end~0.base)), 85570#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 1 (select |#valid| main_~end~0.base))), 85541#true, 85543#(= 0 |main_#t~malloc0.offset|), 85542#false, 85545#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 85544#(= 0 main_~list~0.offset), 85547#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset)), 85546#(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)), 85549#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem3.base|))), 85548#(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)))), 85551#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc2.base|)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base)), 85550#(and (not (= main_~end~0.base main_~list~0.base)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base)), 85553#(and (= 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) (not (= main_~list~0.base |main_#t~mem3.base|))), 85552#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= (select |#valid| main_~list~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~end~0.base)), 85555#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc5.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)), 85554#(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)), 85557#(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~mem6.base|)) (= (select |#valid| main_~list~0.base) 1)), 85556#(and (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 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)), 85559#(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_~list~0.base) main_~list~0.offset) (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 85558#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc2.base|)) (= 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_~list~0.base) main_~list~0.offset) |main_#t~malloc2.base|))), 85561#(and (not (= main_~end~0.base main_~list~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)), 85560#(and (or (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 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~mem3.base|))), 85563#(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))) (= (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)))), 85562#(and (not (= main_~end~0.base main_~list~0.base)) (= |main_#t~malloc5.offset| main_~list~0.offset) (or (= 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_#t~malloc5.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 85565#(or (and (not (= main_~end~0.base main_~list~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))))) (and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base))), 85564#(and (= |main_#t~mem6.offset| main_~list~0.offset) (or (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 85567#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 85566#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset)) (= main_~list~0.base main_~end~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset))))] [2018-04-10 15:37:19,292 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:37:19,292 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-10 15:37:19,292 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-10 15:37:19,292 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=802, Unknown=0, NotChecked=0, Total=930 [2018-04-10 15:37:19,292 INFO L87 Difference]: Start difference. First operand 692 states and 768 transitions. Second operand 31 states. [2018-04-10 15:37:20,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:37:20,519 INFO L93 Difference]: Finished difference Result 708 states and 782 transitions. [2018-04-10 15:37:20,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-10 15:37:20,520 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 75 [2018-04-10 15:37:20,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:37:20,520 INFO L225 Difference]: With dead ends: 708 [2018-04-10 15:37:20,520 INFO L226 Difference]: Without dead ends: 708 [2018-04-10 15:37:20,521 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 903 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=788, Invalid=2994, Unknown=0, NotChecked=0, Total=3782 [2018-04-10 15:37:20,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2018-04-10 15:37:20,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 665. [2018-04-10 15:37:20,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 665 states. [2018-04-10 15:37:20,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 738 transitions. [2018-04-10 15:37:20,524 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 738 transitions. Word has length 75 [2018-04-10 15:37:20,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:37:20,524 INFO L459 AbstractCegarLoop]: Abstraction has 665 states and 738 transitions. [2018-04-10 15:37:20,524 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-10 15:37:20,524 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 738 transitions. [2018-04-10 15:37:20,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-04-10 15:37:20,524 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:37:20,525 INFO L355 BasicCegarLoop]: trace histogram [4, 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] [2018-04-10 15:37:20,525 INFO L408 AbstractCegarLoop]: === Iteration 96 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:37:20,525 INFO L82 PathProgramCache]: Analyzing trace with hash 2071675529, now seen corresponding path program 10 times [2018-04-10 15:37:20,525 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:37:20,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:37:20,537 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:37:21,067 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:37:21,068 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:37:21,068 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-10 15:37:21,068 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:37:21,068 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 15:37:21,068 INFO L182 omatonBuilderFactory]: Interpolants [87007#true, 87009#(= 0 |main_#t~malloc0.offset|), 87008#false, 87011#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 87010#(= 0 main_~list~0.offset), 87013#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|))), 87012#(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)), 87015#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| |main_#t~mem3.base|)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem3.base|))), 87014#(and (= 8 (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)))), 87017#(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~malloc2.base|)) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 87016#(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_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 87019#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem3.base|))), 87018#(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) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 87021#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~malloc5.base|)) (= 0 main_~list~0.offset) (not (= (select |#valid| main_~list~0.base) 0))), 87020#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 87023#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (not (= (select |#valid| main_~list~0.base) 0)) (not (= main_~list~0.base |main_#t~mem6.base|))), 87022#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (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))) (= 0 main_~list~0.offset) (not (= (select |#valid| main_~list~0.base) 0))), 87025#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~malloc2.base|)) (= 0 main_~list~0.offset)), 87024#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset) (not (= (select |#valid| main_~list~0.base) 0))), 87027#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (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~mem3.base|))), 87026#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (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))) (= 0 main_~list~0.offset)), 87029#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~malloc5.offset| main_~list~0.offset)), 87028#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base main_~list~0.base)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset)), 87031#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem6.offset| main_~list~0.offset)), 87030#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (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)), 87033#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))))), 87032#(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)) (= 8 (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))), 87035#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (and (= 0 |main_#t~mem11.offset|) (= 8 (select |#length| |main_#t~mem11.base|)))), 87034#(or (and (= 8 (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))) (and (= 0 (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)))), 87037#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base))), 87036#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base))))] [2018-04-10 15:37:21,068 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:37:21,068 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-10 15:37:21,069 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-10 15:37:21,069 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=793, Unknown=0, NotChecked=0, Total=930 [2018-04-10 15:37:21,069 INFO L87 Difference]: Start difference. First operand 665 states and 738 transitions. Second operand 31 states. [2018-04-10 15:37:22,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:37:22,581 INFO L93 Difference]: Finished difference Result 689 states and 761 transitions. [2018-04-10 15:37:22,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-10 15:37:22,581 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 75 [2018-04-10 15:37:22,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:37:22,582 INFO L225 Difference]: With dead ends: 689 [2018-04-10 15:37:22,582 INFO L226 Difference]: Without dead ends: 689 [2018-04-10 15:37:22,582 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 897 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=724, Invalid=3058, Unknown=0, NotChecked=0, Total=3782 [2018-04-10 15:37:22,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2018-04-10 15:37:22,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 611. [2018-04-10 15:37:22,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2018-04-10 15:37:22,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 675 transitions. [2018-04-10 15:37:22,585 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 675 transitions. Word has length 75 [2018-04-10 15:37:22,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:37:22,586 INFO L459 AbstractCegarLoop]: Abstraction has 611 states and 675 transitions. [2018-04-10 15:37:22,586 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-10 15:37:22,586 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 675 transitions. [2018-04-10 15:37:22,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-04-10 15:37:22,586 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:37:22,586 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2018-04-10 15:37:22,586 INFO L408 AbstractCegarLoop]: === Iteration 97 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:37:22,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1492588246, now seen corresponding path program 11 times [2018-04-10 15:37:22,587 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:37:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:37:22,595 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:37:23,290 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:37:23,290 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:37:23,290 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-10 15:37:23,290 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:37:23,290 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 15:37:23,291 INFO L182 omatonBuilderFactory]: Interpolants [88401#false, 88400#true, 88403#(= 0 main_~list~0.offset), 88402#(= 0 |main_#t~malloc0.offset|), 88405#(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)), 88404#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 88407#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 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)))), 88406#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= |main_#t~malloc2.offset| 0)), 88409#(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.offset 0) (= 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)), 88408#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem3.offset| 0) (= |main_#t~mem3.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) (not (= main_~list~0.base |main_#t~mem3.base|))), 88411#(and (= 0 |main_#t~malloc5.offset|) (= 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~malloc5.base|)) (= main_~end~0.offset 0) (= 8 (select |#length| |main_#t~malloc5.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_~end~0.base |main_#t~malloc5.base|)) (= (select |#valid| main_~list~0.base) 1)), 88410#(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.offset 0) (= 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)), 88413#(and (= 0 (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)) 0)) (= (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~mem6.base|)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| |main_#t~mem6.base|))), 88412#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#valid| main_~end~0.base) (select |#valid| 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)) (= 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))), 88415#(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 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~malloc2.offset| main_~list~0.offset) (not (= main_~list~0.base |main_#t~malloc2.base|)) (= 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)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc2.base|)) (= 8 (select |#length| main_~end~0.base))), 88414#(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 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (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)) 0)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 88417#(and (= 0 (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~mem3.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= |main_#t~mem3.offset| main_~list~0.offset) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (= 0 main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem3.base|))), 88416#(and (= 0 (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)) 0)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= (select |#length| main_~end~0.base) 8) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= 0 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))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))), 88419#(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 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~malloc2.offset| main_~list~0.offset) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~malloc2.offset| 0)), 88418#(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 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= main_~end~0.offset main_~list~0.offset) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 main_~list~0.offset)), 88421#(and (= 0 (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)) 0)) (= |main_#t~mem3.offset| 0) (= |main_#t~mem3.offset| main_~list~0.offset) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))), 88420#(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) 0) (= 0 (select (select |#memory_$Pointer$.offset| (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_~list~0.offset) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset))), 88423#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))))), 88422#(and (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))) (or (and (not (= main_~end~0.base main_~list~0.base)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= main_~end~0.offset 0) (= 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)))), 88425#(and (= 0 |main_#t~mem11.offset|) (or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) 0)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) 0)))) (= 0 |main_#t~mem11.base|) (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) 0)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) 0))))), 88424#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)))) (= 0 (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_~end~0.base) main_~end~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 88427#(or (and (= 0 (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 (<= 8 (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)))), 88426#(and (= main_~end~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (= main_~end~0.base 0))), 88429#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (= main_~end~0.offset 0) (<= 8 (select |#length| main_~end~0.base)))), 88428#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (and (<= 8 (select |#length| |main_#t~mem11.base|)) (= 0 |main_#t~mem11.offset|))), 88430#(and (= main_~end~0.offset 0) (<= 8 (select |#length| main_~end~0.base)))] [2018-04-10 15:37:23,291 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:37:23,291 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-10 15:37:23,291 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-10 15:37:23,291 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=812, Unknown=0, NotChecked=0, Total=930 [2018-04-10 15:37:23,291 INFO L87 Difference]: Start difference. First operand 611 states and 675 transitions. Second operand 31 states. [2018-04-10 15:37:25,684 WARN L151 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 77 DAG size of output 61 [2018-04-10 15:37:26,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:37:26,781 INFO L93 Difference]: Finished difference Result 772 states and 846 transitions. [2018-04-10 15:37:26,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-04-10 15:37:26,781 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 75 [2018-04-10 15:37:26,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:37:26,782 INFO L225 Difference]: With dead ends: 772 [2018-04-10 15:37:26,782 INFO L226 Difference]: Without dead ends: 772 [2018-04-10 15:37:26,782 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2110 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=1208, Invalid=6102, Unknown=0, NotChecked=0, Total=7310 [2018-04-10 15:37:26,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2018-04-10 15:37:26,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 606. [2018-04-10 15:37:26,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 606 states. [2018-04-10 15:37:26,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 668 transitions. [2018-04-10 15:37:26,785 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 668 transitions. Word has length 75 [2018-04-10 15:37:26,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:37:26,785 INFO L459 AbstractCegarLoop]: Abstraction has 606 states and 668 transitions. [2018-04-10 15:37:26,785 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-10 15:37:26,785 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 668 transitions. [2018-04-10 15:37:26,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-04-10 15:37:26,786 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:37:26,786 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] [2018-04-10 15:37:26,786 INFO L408 AbstractCegarLoop]: === Iteration 98 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:37:26,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1978753346, now seen corresponding path program 1 times [2018-04-10 15:37:26,787 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:37:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:37:26,793 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:37:27,084 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 15:37:27,084 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:37:27,084 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-10 15:37:27,084 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:37:27,084 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 15:37:27,085 INFO L182 omatonBuilderFactory]: Interpolants [89921#(and (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 89920#false, 89923#(and (not (= 0 main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 89922#(and (not (= 0 main_~list~0.base)) (= 0 main_~list~0.offset)), 89925#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~list~0.base |main_#t~malloc2.base|)) (= 0 main_~list~0.offset)), 89924#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base))), 89927#(and (not (= 0 main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem3.base|))), 89926#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~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))) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 89929#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc2.base|)) (= 0 main_~list~0.offset) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 89928#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 89931#(and (not (= 0 main_~list~0.base)) (= 0 main_~list~0.offset) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem3.base|))), 89930#(and (not (= 0 main_~list~0.base)) (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_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 89933#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 main_~list~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~malloc5.offset| main_~list~0.offset)), 89932#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 main_~list~0.base)) (= 0 main_~list~0.offset) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 89935#(and (not (= 0 main_~list~0.base)) (= |main_#t~mem6.offset| main_~list~0.offset) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 89934#(and (not (= 0 main_~list~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 89937#(not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 89936#(or (and (not (= 0 main_~list~0.base)) (= 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))))), 89939#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem11.base|) (not (= main_~list~0.base |main_#t~mem11.base|))), 89938#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))), 89941#(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))), 89940#(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))), 89943#(and (= 1 (select |#valid| |main_#t~mem15.base|)) (not (= main_~list~0.base |main_#t~mem15.base|))), 89942#(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)))), 89945#(= 1 (select |#valid| main_~end~0.base)), 89944#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~end~0.base))), 89946#(= 1 (select |#valid| main_~list~0.base)), 89919#true] [2018-04-10 15:37:27,085 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 15:37:27,085 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-10 15:37:27,085 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-10 15:37:27,085 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=650, Unknown=0, NotChecked=0, Total=756 [2018-04-10 15:37:27,085 INFO L87 Difference]: Start difference. First operand 606 states and 668 transitions. Second operand 28 states. [2018-04-10 15:37:28,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:37:28,286 INFO L93 Difference]: Finished difference Result 778 states and 855 transitions. [2018-04-10 15:37:28,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-10 15:37:28,286 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 76 [2018-04-10 15:37:28,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:37:28,287 INFO L225 Difference]: With dead ends: 778 [2018-04-10 15:37:28,287 INFO L226 Difference]: Without dead ends: 778 [2018-04-10 15:37:28,287 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 865 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=724, Invalid=2936, Unknown=0, NotChecked=0, Total=3660 [2018-04-10 15:37:28,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2018-04-10 15:37:28,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 652. [2018-04-10 15:37:28,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2018-04-10 15:37:28,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 719 transitions. [2018-04-10 15:37:28,290 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 719 transitions. Word has length 76 [2018-04-10 15:37:28,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:37:28,290 INFO L459 AbstractCegarLoop]: Abstraction has 652 states and 719 transitions. [2018-04-10 15:37:28,290 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-10 15:37:28,290 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 719 transitions. [2018-04-10 15:37:28,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-04-10 15:37:28,290 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:37:28,291 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 3, 3, 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 15:37:28,291 INFO L408 AbstractCegarLoop]: === Iteration 99 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:37:28,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1913133424, now seen corresponding path program 12 times [2018-04-10 15:37:28,291 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:37:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:37:28,297 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:37:28,789 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 12 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:37:28,789 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:37:28,789 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-10 15:37:28,789 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:37:28,790 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 15:37:28,790 INFO L182 omatonBuilderFactory]: Interpolants [91457#(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)))), 91456#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= |main_#t~mem3.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) (= (select (select |#memory_$Pointer$.base| (select (select |#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~mem3.base|) (not (= main_~list~0.base |main_#t~mem3.base|))), 91459#(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))) (not (= main_~end~0.base |main_#t~malloc5.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| main_~list~0.offset)), 91458#(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)), 91461#(and (= |main_#t~mem6.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)))) (= |main_#t~mem6.offset| main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.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)))) (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~mem6.base|))), 91460#(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))) (= (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)))), 91463#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (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)))) (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))))) (= 0 (select (select |#memory_$Pointer$.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)))) (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))))))), 91462#(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))) (= main_~end~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)))) (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)))) (= 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))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 91465#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|)))))), 91464#(or (and (= 0 (select (select |#memory_$Pointer$.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)))) (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))))) (= 0 (select (select |#memory_$Pointer$.offset| (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)))) (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)))))) (and (= 0 (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)))), 91467#(and (= 0 (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)))) (= 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))))), 91466#(or (and (= 0 (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)))) (= 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))))) (and (= main_~end~0.offset 0) (= main_~end~0.base 0))), 91469#(and (= 0 (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))) (= 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)))), 91468#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|)))), 91471#(and (= 0 (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))), 91470#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))), 91473#(and (= main_~end~0.offset 0) (= main_~end~0.base 0)), 91472#(and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)), 91443#true, 91445#(= 0 |main_#t~malloc0.offset|), 91444#false, 91447#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 91446#(= 0 main_~list~0.offset), 91449#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset)), 91448#(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)), 91451#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (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~mem3.base|))), 91450#(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)))), 91453#(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))), 91452#(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))), 91455#(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))), 91454#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.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~malloc2.base|)) (= 0 main_~list~0.offset) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)))] [2018-04-10 15:37:28,790 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 12 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:37:28,790 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-10 15:37:28,790 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-10 15:37:28,790 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=844, Unknown=0, NotChecked=0, Total=930 [2018-04-10 15:37:28,790 INFO L87 Difference]: Start difference. First operand 652 states and 719 transitions. Second operand 31 states. [2018-04-10 15:37:31,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:37:31,020 INFO L93 Difference]: Finished difference Result 751 states and 825 transitions. [2018-04-10 15:37:31,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-04-10 15:37:31,021 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 76 [2018-04-10 15:37:31,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:37:31,021 INFO L225 Difference]: With dead ends: 751 [2018-04-10 15:37:31,021 INFO L226 Difference]: Without dead ends: 751 [2018-04-10 15:37:31,021 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1355 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=652, Invalid=4898, Unknown=0, NotChecked=0, Total=5550 [2018-04-10 15:37:31,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2018-04-10 15:37:31,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 662. [2018-04-10 15:37:31,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2018-04-10 15:37:31,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 731 transitions. [2018-04-10 15:37:31,025 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 731 transitions. Word has length 76 [2018-04-10 15:37:31,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:37:31,025 INFO L459 AbstractCegarLoop]: Abstraction has 662 states and 731 transitions. [2018-04-10 15:37:31,025 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-10 15:37:31,025 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 731 transitions. [2018-04-10 15:37:31,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-04-10 15:37:31,025 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:37:31,025 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] [2018-04-10 15:37:31,025 INFO L408 AbstractCegarLoop]: === Iteration 100 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:37:31,026 INFO L82 PathProgramCache]: Analyzing trace with hash 661111696, now seen corresponding path program 2 times [2018-04-10 15:37:31,026 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:37:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:37:31,031 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:37:31,375 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 15:37:31,376 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:37:31,376 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-10 15:37:31,376 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:37:31,376 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 15:37:31,376 INFO L182 omatonBuilderFactory]: Interpolants [92993#(or (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) main_~list~0.base)) (and (not (= 0 main_~list~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~list~0.offset))), 92992#(or (and (not (= 0 main_~list~0.base)) (= 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 (= 0 main_~list~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~list~0.offset))), 92995#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem11.base|) (or (not (= |main_#t~mem11.base| main_~list~0.base)) (and (not (= 0 main_~list~0.base)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) |main_#t~mem11.offset|))))), 92994#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base) (or (and (not (= 0 main_~list~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)))), 92997#(and (or (not (= main_~end~0.base main_~list~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (or (= main_~end~0.base main_~list~0.base) (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))))), 92996#(and (or (not (= main_~end~0.base main_~list~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))) (or (= 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)))), 92999#(or (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)))) (not (= 0 main_~end~0.base))), 92998#(or (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)))) (not (= 0 |main_#t~mem11.base|))), 93001#(and (= 1 (select |#valid| |main_#t~mem15.base|)) (not (= main_~list~0.base |main_#t~mem15.base|))), 93000#(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)))), 93003#(= 1 (select |#valid| main_~end~0.base)), 93002#(and (not (= main_~list~0.base main_~end~0.base)) (= 1 (select |#valid| main_~end~0.base))), 93004#(= 1 (select |#valid| main_~list~0.base)), 92975#true, 92977#(and (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 92976#false, 92979#(and (not (= 0 main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 92978#(and (not (= 0 main_~list~0.base)) (= 0 main_~list~0.offset)), 92981#(and (not (= 0 main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= |main_#t~malloc2.offset| main_~list~0.offset) (= 0 main_~list~0.offset)), 92980#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base))), 92983#(and (not (= 0 main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem3.base|))), 92982#(and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~list~0.offset) main_~list~0.offset) (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~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))) (= 1 (select |#valid| main_~end~0.base))), 92985#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc5.base|)) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~list~0.offset)), 92984#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 main_~list~0.base)) (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~list~0.offset)), 92987#(and (not (= 0 main_~list~0.base)) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem6.base|))), 92986#(and (not (= 0 main_~list~0.base)) (not (= main_~list~0.base (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~list~0.offset)), 92989#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 main_~list~0.base)) (or (= |main_#t~malloc2.offset| main_~list~0.offset) (not (= main_~list~0.base |main_#t~malloc2.base|))) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~list~0.offset)), 92988#(and (not (= main_~end~0.base main_~list~0.base)) (not (= 0 main_~list~0.base)) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~list~0.offset)), 92991#(and (not (= 0 main_~list~0.base)) (or (= |main_#t~mem3.offset| main_~list~0.offset) (not (= main_~list~0.base |main_#t~mem3.base|))) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~list~0.offset)), 92990#(and (not (= 0 main_~list~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset) main_~list~0.offset) (or (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)))] [2018-04-10 15:37:31,376 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 15:37:31,376 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-10 15:37:31,376 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-10 15:37:31,377 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=761, Unknown=0, NotChecked=0, Total=870 [2018-04-10 15:37:31,377 INFO L87 Difference]: Start difference. First operand 662 states and 731 transitions. Second operand 30 states. [2018-04-10 15:37:32,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:37:32,822 INFO L93 Difference]: Finished difference Result 730 states and 803 transitions. [2018-04-10 15:37:32,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-04-10 15:37:32,822 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 76 [2018-04-10 15:37:32,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:37:32,823 INFO L225 Difference]: With dead ends: 730 [2018-04-10 15:37:32,823 INFO L226 Difference]: Without dead ends: 730 [2018-04-10 15:37:32,823 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1123 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=843, Invalid=3579, Unknown=0, NotChecked=0, Total=4422 [2018-04-10 15:37:32,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2018-04-10 15:37:32,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 662. [2018-04-10 15:37:32,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2018-04-10 15:37:32,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 731 transitions. [2018-04-10 15:37:32,827 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 731 transitions. Word has length 76 [2018-04-10 15:37:32,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:37:32,827 INFO L459 AbstractCegarLoop]: Abstraction has 662 states and 731 transitions. [2018-04-10 15:37:32,827 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-10 15:37:32,827 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 731 transitions. [2018-04-10 15:37:32,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-04-10 15:37:32,827 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:37:32,828 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 3, 3, 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 15:37:32,828 INFO L408 AbstractCegarLoop]: === Iteration 101 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:37:32,828 INFO L82 PathProgramCache]: Analyzing trace with hash 258031170, now seen corresponding path program 13 times [2018-04-10 15:37:32,828 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:37:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:37:32,835 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:37:33,344 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 12 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:37:33,344 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:37:33,344 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-10 15:37:33,344 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:37:33,345 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 15:37:33,345 INFO L182 omatonBuilderFactory]: Interpolants [94471#true, 94473#(= 0 |main_#t~malloc0.offset|), 94472#false, 94475#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 main_~list~0.offset)), 94474#(= 0 main_~list~0.offset), 94477#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset)), 94476#(and (= 1 (select |#valid| main_~list~0.base)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset)), 94479#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (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~mem3.base|))), 94478#(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)))), 94481#(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))), 94480#(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))), 94483#(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_~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 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 94482#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~list~0.base |main_#t~malloc5.base|)) (not (= |main_#t~malloc5.base| main_~end~0.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))), 94485#(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))) (= 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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 94484#(and (= 0 main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~mem6.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_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~mem6.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~mem6.base|)), 94487#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.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_#t~malloc2.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 (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 94486#(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))) (= 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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 1 (select |#valid| main_~end~0.base))), 94489#(and (= |main_#t~mem3.offset| main_~list~0.offset) (= |main_#t~mem3.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)))) (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~mem3.base|)) (= |main_#t~mem3.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)))) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 94488#(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))) (= (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) (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 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 94491#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| (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)))) (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))))) (= 0 (select (select |#memory_$Pointer$.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)))) (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))))))), 94490#(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))) (= main_~end~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)))) (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)))) (= 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))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 94493#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|)))))), 94492#(or (and (= 0 (select (select |#memory_$Pointer$.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)))) (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))))) (= 0 (select (select |#memory_$Pointer$.offset| (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)))) (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)))))) (and (= 0 (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)))), 94495#(and (= 0 (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)))) (= 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))))), 94494#(or (and (= 0 (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)))) (= 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))))) (and (= main_~end~0.offset 0) (= main_~end~0.base 0))), 94497#(and (= 0 (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))) (= 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)))), 94496#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|)))), 94499#(and (= 0 (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))), 94498#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))), 94501#(and (= main_~end~0.offset 0) (= main_~end~0.base 0)), 94500#(and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|))] [2018-04-10 15:37:33,345 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 12 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:37:33,345 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-10 15:37:33,345 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-10 15:37:33,345 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=844, Unknown=0, NotChecked=0, Total=930 [2018-04-10 15:37:33,345 INFO L87 Difference]: Start difference. First operand 662 states and 731 transitions. Second operand 31 states. [2018-04-10 15:37:35,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:37:35,541 INFO L93 Difference]: Finished difference Result 757 states and 832 transitions. [2018-04-10 15:37:35,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-04-10 15:37:35,542 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 76 [2018-04-10 15:37:35,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:37:35,542 INFO L225 Difference]: With dead ends: 757 [2018-04-10 15:37:35,542 INFO L226 Difference]: Without dead ends: 757 [2018-04-10 15:37:35,543 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1278 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=621, Invalid=4635, Unknown=0, NotChecked=0, Total=5256 [2018-04-10 15:37:35,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2018-04-10 15:37:35,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 672. [2018-04-10 15:37:35,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2018-04-10 15:37:35,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 743 transitions. [2018-04-10 15:37:35,549 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 743 transitions. Word has length 76 [2018-04-10 15:37:35,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:37:35,549 INFO L459 AbstractCegarLoop]: Abstraction has 672 states and 743 transitions. [2018-04-10 15:37:35,549 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-10 15:37:35,549 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 743 transitions. [2018-04-10 15:37:35,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-04-10 15:37:35,550 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:37:35,550 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:37:35,550 INFO L408 AbstractCegarLoop]: === Iteration 102 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:37:35,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1604090211, now seen corresponding path program 6 times [2018-04-10 15:37:35,551 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:37:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:37:35,565 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:37:36,235 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:37:36,235 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:37:36,235 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-10 15:37:36,235 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:37:36,235 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 15:37:36,236 INFO L182 omatonBuilderFactory]: Interpolants [96015#true, 96017#(= 0 |main_#t~malloc0.offset|), 96016#false, 96019#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 96018#(= 0 main_~list~0.offset), 96021#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= |main_#t~malloc2.offset| 0)), 96020#(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)), 96023#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem3.offset| 0) (= 1 (select |#valid| main_~list~0.base)) (= |main_#t~mem3.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~mem3.base|))), 96022#(and (= 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)) (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))), 96025#(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_~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)) (= 0 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base))), 96024#(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_~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)) (= 0 main_~list~0.offset)), 96027#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~list~0.base)) (= main_~end~0.offset 0) (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 main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base))), 96026#(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_~list~0.base)) (= main_~end~0.offset 0) (not (= |main_#t~malloc5.base| main_~end~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_#t~malloc5.base| main_~list~0.base))), 96029#(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_~list~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.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 1 (select |#valid| (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)) 0))), 96028#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 1 (select |#valid| main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) |main_#t~mem6.base|) (not (= |main_#t~mem6.base| main_~list~0.base)) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 0 main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 96031#(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~malloc2.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~malloc2.base|)) (= 0 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)) 0)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc2.base|))), 96030#(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_~list~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.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= (select |#valid| main_~end~0.base) 1) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))), 96033#(and (= 0 (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~mem3.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) |main_#t~mem3.base|)) (= 0 main_~list~0.offset) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.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)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~list~0.base |main_#t~mem3.base|))), 96032#(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) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (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))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~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))), 96035#(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 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~malloc5.offset| 0) (not (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (= |main_#t~malloc5.offset| 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)) 0))) (= 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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))), 96034#(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 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 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)) 0))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (= 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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))), 96037#(and (= 0 (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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (= |main_#t~mem6.offset| 0) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (= |main_#t~mem6.offset| main_~list~0.offset)), 96036#(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) 0) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= 1 (select |#valid| main_~end~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (= 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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))), 96039#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (= 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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))))))), 96038#(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)) (or (and (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (and (= 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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (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)) 0)))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 96041#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (and (= 0 |main_#t~mem11.offset|) (or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) 0)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) 0))))))), 96040#(or (and (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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (and (= 0 (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)))), 96043#(or (and (= 0 (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))) (= 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))))), 96042#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0))) (= 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) 0))))) (= main_~end~0.offset 0))), 96045#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))), 96044#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)))), 96047#(= 1 (select |#valid| |main_#t~mem11.base|)), 96046#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 96048#(= 1 (select |#valid| main_~end~0.base))] [2018-04-10 15:37:36,236 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:37:36,236 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-10 15:37:36,236 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-10 15:37:36,236 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1005, Unknown=0, NotChecked=0, Total=1122 [2018-04-10 15:37:36,236 INFO L87 Difference]: Start difference. First operand 672 states and 743 transitions. Second operand 34 states. [2018-04-10 15:37:39,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:37:39,646 INFO L93 Difference]: Finished difference Result 768 states and 846 transitions. [2018-04-10 15:37:39,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-04-10 15:37:39,646 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 76 [2018-04-10 15:37:39,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:37:39,647 INFO L225 Difference]: With dead ends: 768 [2018-04-10 15:37:39,647 INFO L226 Difference]: Without dead ends: 768 [2018-04-10 15:37:39,647 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2305 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=1154, Invalid=7218, Unknown=0, NotChecked=0, Total=8372 [2018-04-10 15:37:39,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2018-04-10 15:37:39,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 683. [2018-04-10 15:37:39,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 683 states. [2018-04-10 15:37:39,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 758 transitions. [2018-04-10 15:37:39,650 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 758 transitions. Word has length 76 [2018-04-10 15:37:39,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:37:39,650 INFO L459 AbstractCegarLoop]: Abstraction has 683 states and 758 transitions. [2018-04-10 15:37:39,650 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-10 15:37:39,650 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 758 transitions. [2018-04-10 15:37:39,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-04-10 15:37:39,651 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:37:39,651 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:37:39,651 INFO L408 AbstractCegarLoop]: === Iteration 103 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:37:39,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1604090212, now seen corresponding path program 5 times [2018-04-10 15:37:39,652 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:37:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:37:39,663 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:37:41,185 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:37:41,185 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:37:41,185 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-04-10 15:37:41,185 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:37:41,186 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 15:37:41,186 INFO L182 omatonBuilderFactory]: Interpolants [97617#false, 97616#true, 97619#(and (= 0 |main_#t~malloc0.offset|) (= 0 (select |#valid| 0))), 97618#(= 0 (select |#valid| 0)), 97621#(and (= 0 main_~list~0.offset) (= 0 (select |#valid| 0)) (= (select |#valid| main_~list~0.base) 1)), 97620#(and (= 0 main_~list~0.offset) (= 0 (select |#valid| 0))), 97623#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= 0 |main_#t~malloc2.offset|) (= 0 (select |#valid| 0))), 97622#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= 0 (select |#valid| 0)) (= (select |#valid| main_~end~0.base) 1)), 97625#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 0 (select |#valid| 0)) (= |main_#t~mem3.offset| (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~mem3.base|))), 97624#(and (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= 0 (select |#valid| 0)) (= (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))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 97627#(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) (= 0 (select |#valid| 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))), 97626#(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) (= 0 (select |#valid| 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))), 97629#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 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) 0) (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_~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 main_~list~0.offset) (= 0 (select |#valid| 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))), 97628#(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~malloc5.base|)) (= 8 (select |#length| |main_#t~malloc5.base|)) (not (= |main_#t~malloc5.base| main_~end~0.base)) (= |main_#t~malloc5.offset| 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (= 0 (select |#valid| 0)) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 97631#(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.offset 0) (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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 (select |#valid| 0)) (= 8 (select |#length| main_~end~0.base))), 97630#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem6.offset| 0) (= 0 main_~list~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 (select |#valid| 0)) (not (= main_~list~0.base |main_#t~mem6.base|)) (= 8 (select |#length| |main_#t~mem6.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~mem6.base|)), 97633#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~end~0.base |main_#t~malloc2.base|)) (or (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))) (= 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 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|)) (= 0 (select |#valid| 0)) (not (= |main_#t~malloc2.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 8 (select |#length| main_~end~0.base))) (and (= main_~list~0.base |main_#t~malloc2.base|) (= |main_#t~malloc2.offset| main_~list~0.offset) (= 0 main_~list~0.offset)))), 97632#(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.offset 0) (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| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 (select |#valid| 0)) (= (select |#valid| main_~end~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 97635#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (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)))) (<= (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))) 8) (= |main_#t~mem3.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))) 0)) (= 8 (select |#length| |main_#t~mem3.base|)) (= 0 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))) 0)) (= 0 (select |#valid| 0)) (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~mem3.base|)) (not (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))) (and (= |main_#t~mem3.offset| main_~list~0.offset) (= 0 main_~list~0.offset) (= |main_#t~mem3.base| main_~list~0.base))) (or (and (= |main_#t~mem3.offset| main_~list~0.offset) (= 0 main_~list~0.offset) (= |main_#t~mem3.base| main_~list~0.base)) (not (= main_~list~0.base |main_#t~mem3.base|)))), 97634#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) main_~list~0.offset) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) main_~list~0.base)) (and (= 8 (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) 0)) (= (select |#length| main_~end~0.base) 8) (= main_~end~0.offset 0) (not (= (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))) (= 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 |#valid| 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))), 97637#(or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 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)) (= 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)))) (<= (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))) 8) (not (= 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| (select (select |#memory_$Pointer$.base| (select (select |#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_~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))) 0)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~end~0.base)) (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)))) (= 8 (select |#length| main_~end~0.base)))), 97636#(or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 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)) (= 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)))) (<= (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))) 8) (not (= 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| (select (select |#memory_$Pointer$.base| (select (select |#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_~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))) 0)) (= 0 (select |#valid| 0)) (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)))) (= 8 (select |#length| main_~end~0.base)))), 97639#(or (and (= main_~end~0.base main_~list~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)))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (<= (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))) 8) (= (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))) (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.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)) (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| 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))) 0)) (= 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))) 0)) (= 0 (select |#valid| 0)) (= 8 (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))), 97638#(or (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (not (= main_~end~0.base |main_#t~malloc5.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)) (or (<= (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))) 8) (= |main_#t~malloc5.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~malloc5.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))) 0)) (= 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))) 0)) (= 0 (select |#valid| 0)) (= |main_#t~malloc5.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~malloc5.base|)) (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)))) (= 8 (select |#length| main_~end~0.base))) (and (= |main_#t~malloc5.base| main_~list~0.base) (= |main_#t~malloc5.offset| main_~list~0.offset))), 97641#(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)) (and (not (= main_~end~0.base main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= (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))) 8) (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))) 0)) (= 8 (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))) 0))) (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)))))), 97640#(or (and (= |main_#t~mem6.offset| main_~list~0.offset) (= |main_#t~mem6.base| main_~list~0.base)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (<= (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))) 8) (= |main_#t~mem6.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)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) 0)) (= 0 (select |#valid| 0)) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 8 (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))) 0))) (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~mem6.base|))) (and (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem6.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~mem6.base|)))), 97643#(or (and (= 0 (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 (or (= 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 |#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))) 8)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (or (and (= 0 (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))) (= 0 (select |#valid| 0))) (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))) 0)) (= 8 (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))) 0)))))) (and (= 0 (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))) (= 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))))), 97642#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (<= (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))) 8) (= 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 (and (= 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))) (= 0 (select |#valid| 0))) (and (= 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))) 0)) (= 8 (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))) 0)))))) (and (= 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))) (= 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 (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 97645#(or (and (= 0 (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_~end~0.offset 0) (or (= main_~end~0.base 0) (and (or (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 8) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)))) (and (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))))))), 97644#(or (and (= 0 |main_#t~mem11.offset|) (or (= 0 |main_#t~mem11.base|) (and (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) 0))) (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (= 0 (select |#valid| 0)))) (or (<= (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) 8) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|)))))) (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|)))), 97647#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (and (or (= 0 |main_#t~mem11.offset|) (<= (select |#length| |main_#t~mem11.base|) 8)) (or (and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) 0))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) 0))) (and (= 0 |main_#t~mem11.base|) (= 0 (select |#valid| 0)))))), 97646#(or (and (= 0 (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 (or (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 8) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))) (or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)))) (and (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)))))), 97649#(or (and (= 8 (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))) (and (= main_~end~0.base 0) (= 0 (select |#valid| 0))) (and (or (<= (select |#length| main_~end~0.base) 8) (<= main_~end~0.offset 0)) (not (= main_~end~0.offset 0)))), 97648#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (or (<= (select |#length| main_~end~0.base) 8) (<= main_~end~0.offset 0)) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) 0)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) 0)))) (and (= main_~end~0.base 0) (= 0 (select |#valid| 0)))))), 97651#(and (= 0 |main_#t~mem11.offset|) (= 8 (select |#length| |main_#t~mem11.base|))), 97650#(or (and (= 8 (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))) (and (not (= main_~end~0.offset 0)) (<= main_~end~0.offset 0))), 97652#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base)))] [2018-04-10 15:37:41,186 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:37:41,186 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-04-10 15:37:41,186 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-04-10 15:37:41,186 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=1204, Unknown=0, NotChecked=0, Total=1332 [2018-04-10 15:37:41,186 INFO L87 Difference]: Start difference. First operand 683 states and 758 transitions. Second operand 37 states. [2018-04-10 15:37:41,782 WARN L151 SmtUtils]: Spent 102ms on a formula simplification. DAG size of input: 101 DAG size of output 65 [2018-04-10 15:37:41,957 WARN L151 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 110 DAG size of output 74 [2018-04-10 15:37:42,336 WARN L151 SmtUtils]: Spent 109ms on a formula simplification. DAG size of input: 84 DAG size of output 73 [2018-04-10 15:37:42,699 WARN L151 SmtUtils]: Spent 131ms on a formula simplification. DAG size of input: 98 DAG size of output 87 [2018-04-10 15:37:43,226 WARN L151 SmtUtils]: Spent 170ms on a formula simplification. DAG size of input: 125 DAG size of output 92 [2018-04-10 15:37:43,557 WARN L151 SmtUtils]: Spent 216ms on a formula simplification. DAG size of input: 140 DAG size of output 104 [2018-04-10 15:37:43,722 WARN L151 SmtUtils]: Spent 102ms on a formula simplification. DAG size of input: 82 DAG size of output 76 [2018-04-10 15:37:43,919 WARN L151 SmtUtils]: Spent 133ms on a formula simplification. DAG size of input: 98 DAG size of output 90 [2018-04-10 15:37:44,388 WARN L151 SmtUtils]: Spent 153ms on a formula simplification. DAG size of input: 107 DAG size of output 84 [2018-04-10 15:37:44,668 WARN L151 SmtUtils]: Spent 109ms on a formula simplification. DAG size of input: 124 DAG size of output 80 [2018-04-10 15:37:45,053 WARN L151 SmtUtils]: Spent 113ms on a formula simplification. DAG size of input: 75 DAG size of output 69 [2018-04-10 15:37:45,292 WARN L151 SmtUtils]: Spent 156ms on a formula simplification. DAG size of input: 95 DAG size of output 86 [2018-04-10 15:37:45,670 WARN L151 SmtUtils]: Spent 141ms on a formula simplification. DAG size of input: 94 DAG size of output 79 [2018-04-10 15:37:46,405 WARN L151 SmtUtils]: Spent 125ms on a formula simplification. DAG size of input: 95 DAG size of output 71 [2018-04-10 15:37:47,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:37:47,080 INFO L93 Difference]: Finished difference Result 773 states and 852 transitions. [2018-04-10 15:37:47,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-04-10 15:37:47,081 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 76 [2018-04-10 15:37:47,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:37:47,081 INFO L225 Difference]: With dead ends: 773 [2018-04-10 15:37:47,081 INFO L226 Difference]: Without dead ends: 773 [2018-04-10 15:37:47,082 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1509 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=862, Invalid=5618, Unknown=0, NotChecked=0, Total=6480 [2018-04-10 15:37:47,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2018-04-10 15:37:47,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 678. [2018-04-10 15:37:47,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 678 states. [2018-04-10 15:37:47,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 751 transitions. [2018-04-10 15:37:47,085 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 751 transitions. Word has length 76 [2018-04-10 15:37:47,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:37:47,085 INFO L459 AbstractCegarLoop]: Abstraction has 678 states and 751 transitions. [2018-04-10 15:37:47,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-04-10 15:37:47,085 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 751 transitions. [2018-04-10 15:37:47,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-04-10 15:37:47,085 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:37:47,086 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:37:47,086 INFO L408 AbstractCegarLoop]: === Iteration 104 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:37:47,086 INFO L82 PathProgramCache]: Analyzing trace with hash -34258584, now seen corresponding path program 2 times [2018-04-10 15:37:47,086 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:37:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:37:47,092 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:37:47,728 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 15:37:47,728 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:37:47,728 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-10 15:37:47,728 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:37:47,728 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 15:37:47,729 INFO L182 omatonBuilderFactory]: Interpolants [99201#(and (= 1 (select |#valid| main_~list~0.base)) (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 |main_#t~mem3.offset|) (= 0 (select |#valid| 0)) (not (= |main_#t~mem3.base| main_~list~0.base))), 99200#(and (= main_~end~0.base main_~list~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)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~end~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 99203#(and (not (= 0 main_~list~0.base)) (= main_~end~0.offset 0) (or (= 1 (select |#valid| 0)) (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)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| main_~end~0.base))))), 99202#(and (not (= 0 main_~list~0.base)) (= main_~end~0.offset 0) (or (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)) (= 0 (select |#valid| 0))) (= 1 (select |#valid| 0)))), 99205#(and (or (= 1 (select |#valid| 0)) (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))) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) 0) 0)))) (not (= 0 main_~list~0.base))), 99204#(and (or (and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.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~malloc2.base|))) (= 1 (select |#valid| 0))) (not (= 0 main_~list~0.base)) (not (= |main_#t~malloc2.base| 0)) (= main_~end~0.offset 0)), 99207#(and (not (= 0 main_~list~0.base)) (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 (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) 0))) (= 1 (select |#valid| 0)))), 99206#(and (not (= 0 main_~list~0.base)) (or (and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) 0)) (not (= main_~list~0.base |main_#t~mem3.base|))) (= 1 (select |#valid| 0)))), 99209#(and (or (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0) 0)) (= 1 (select |#valid| 0))) (not (= 0 main_~list~0.base)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base)), 99208#(and (or (= 1 (select |#valid| 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) 0))) (not (= 0 main_~list~0.base))), 99211#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (or (= 1 (select |#valid| 0)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) 0) 0))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 99210#(and (not (= 0 main_~list~0.base)) (= |main_#t~mem11.offset| (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (or (= 1 (select |#valid| 0)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) 0) 0)))), 99213#(and (not (= 0 main_~list~0.base)) (or (not (= main_~end~0.base 0)) (= 1 (select |#valid| 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| 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)) main_~end~0.base)), 99212#(and (not (= 0 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)) |main_#t~mem11.base|) (or (not (= |main_#t~mem11.base| 0)) (= 1 (select |#valid| 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 99215#(and (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (or (= 1 (select |#valid| 0)) (not (= 0 |main_#t~mem15.offset|)))), 99214#(and (not (= 0 main_~list~0.base)) (= 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))) (or (= 1 (select |#valid| 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))))), 99217#(and (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (or (= 1 (select |#valid| 0)) (not (= 0 main_~end~0.offset)))), 99216#(and (not (= 0 main_~list~0.base)) (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (or (= 1 (select |#valid| 0)) (not (= 0 main_~end~0.offset)))), 99219#(or (not (= main_~list~0.offset 0)) (and (not (= 0 main_~list~0.base)) (= 1 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 99218#(and (or (not (= 0 main_~list~0.offset)) (= 1 (select |#valid| 0))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))), 99221#(or (not (= main_~list~0.offset 0)) (and (= 0 main_~end~0.base) (not (= 0 main_~list~0.base)) (= 1 (select |#valid| 0)))), 99220#(or (not (= main_~list~0.offset 0)) (and (not (= 0 main_~list~0.base)) (= 0 |main_#t~mem13.base|) (= 1 (select |#valid| 0)))), 99223#(and (= 0 main_~end~0.base) (= 1 (select |#valid| 0))), 99222#(and (= 0 main_~end~0.base) (not (= 0 main_~list~0.base)) (= 1 (select |#valid| 0))), 99193#false, 99192#true, 99195#(and (not (= 0 |main_#t~malloc0.base|)) (= 0 (select |#valid| 0))), 99194#(= 0 (select |#valid| 0)), 99197#(and (= 1 (select |#valid| main_~list~0.base)) (= 0 (select |#valid| 0))), 99196#(and (not (= 0 main_~list~0.base)) (= 0 (select |#valid| 0))), 99199#(and (not (= 0 main_~list~0.base)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 |main_#t~malloc2.offset|) (= 0 (select |#valid| 0)) (not (= |main_#t~malloc2.base| main_~end~0.base))), 99198#(and (= 1 (select |#valid| main_~list~0.base)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 (select |#valid| 0)))] [2018-04-10 15:37:47,729 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 15:37:47,729 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-10 15:37:47,729 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-10 15:37:47,729 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=901, Unknown=0, NotChecked=0, Total=992 [2018-04-10 15:37:47,729 INFO L87 Difference]: Start difference. First operand 678 states and 751 transitions. Second operand 32 states. [2018-04-10 15:37:49,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:37:49,386 INFO L93 Difference]: Finished difference Result 708 states and 779 transitions. [2018-04-10 15:37:49,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-10 15:37:49,386 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 77 [2018-04-10 15:37:49,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:37:49,387 INFO L225 Difference]: With dead ends: 708 [2018-04-10 15:37:49,387 INFO L226 Difference]: Without dead ends: 688 [2018-04-10 15:37:49,387 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 669 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=425, Invalid=2997, Unknown=0, NotChecked=0, Total=3422 [2018-04-10 15:37:49,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2018-04-10 15:37:49,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 639. [2018-04-10 15:37:49,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 639 states. [2018-04-10 15:37:49,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 709 transitions. [2018-04-10 15:37:49,390 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 709 transitions. Word has length 77 [2018-04-10 15:37:49,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:37:49,390 INFO L459 AbstractCegarLoop]: Abstraction has 639 states and 709 transitions. [2018-04-10 15:37:49,390 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-10 15:37:49,390 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 709 transitions. [2018-04-10 15:37:49,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-04-10 15:37:49,390 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:37:49,391 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 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] [2018-04-10 15:37:49,391 INFO L408 AbstractCegarLoop]: === Iteration 105 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:37:49,391 INFO L82 PathProgramCache]: Analyzing trace with hash -2057941479, now seen corresponding path program 5 times [2018-04-10 15:37:49,391 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:37:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:37:49,401 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:37:49,978 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:37:49,979 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:37:49,979 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-10 15:37:49,979 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:37:49,979 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 15:37:49,979 INFO L182 omatonBuilderFactory]: Interpolants [100625#true, 100627#(= 0 |main_#t~malloc0.offset|), 100626#false, 100629#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 100628#(= 0 main_~list~0.offset), 100631#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset) (= |main_#t~malloc2.offset| 0)), 100630#(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)), 100633#(and (= 0 (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~mem3.base|) (= 0 main_~list~0.offset) (= 0 |main_#t~mem3.offset|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem3.base|))), 100632#(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))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 100635#(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.offset 0) (= 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)), 100634#(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.offset 0) (= 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)), 100637#(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.offset 0) (= 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)))), 100636#(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~malloc2.base|)) (= main_~end~0.offset 0) (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (not (= main_~list~0.base |main_#t~malloc2.base|)) (= 0 main_~list~0.offset)), 100639#(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) (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.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~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)) 0))), 100638#(and (= 0 (select (select |#memory_$Pointer$.offset| 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)) 0) |main_#t~mem3.base|) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 0 main_~list~0.offset) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) |main_#t~mem3.offset|) (not (= main_~list~0.base |main_#t~mem3.base|))), 100641#(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~malloc2.base|)) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= |main_#t~malloc2.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)) 0)) (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|)) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc2.base|))), 100640#(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) (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.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~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)) 0)) (= 1 (select |#valid| main_~end~0.base))), 100643#(and (= 0 (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~mem3.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0) |main_#t~mem3.base|)) (= |main_#t~mem3.offset| main_~list~0.offset) (= 8 (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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.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)) 0)))), 100642#(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 (= (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))) (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)) (= 8 (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)) 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) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))), 100645#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (or (and (= 8 (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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.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)) 0)))) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 100644#(and (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))) (or (and (= 8 (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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0))) (not (= main_~end~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 0)))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset)))), 100647#(and (= 0 |main_#t~mem11.offset|) (or (= 0 |main_#t~mem11.base|) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) 0))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) 0))))))), 100646#(and (or (= 0 (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) (and (= 8 (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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (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_~end~0.base) main_~end~0.offset)) 0))))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset))), 100649#(and (= 8 (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)))) (= 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)))), 100648#(and (or (= main_~end~0.base 0) (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) 0))) (= 8 (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) 0)))))) (= main_~end~0.offset 0)), 100651#(and (= 8 (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))), 100650#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))), 100653#(and (= main_~end~0.offset 0) (= 8 (select |#length| main_~end~0.base))), 100652#(and (= 0 |main_#t~mem9.offset|) (= 8 (select |#length| |main_#t~mem9.base|)))] [2018-04-10 15:37:49,979 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:37:49,979 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-10 15:37:49,980 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-10 15:37:49,980 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=731, Unknown=0, NotChecked=0, Total=812 [2018-04-10 15:37:49,980 INFO L87 Difference]: Start difference. First operand 639 states and 709 transitions. Second operand 29 states. [2018-04-10 15:37:52,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:37:52,387 INFO L93 Difference]: Finished difference Result 738 states and 813 transitions. [2018-04-10 15:37:52,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-04-10 15:37:52,387 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 77 [2018-04-10 15:37:52,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:37:52,388 INFO L225 Difference]: With dead ends: 738 [2018-04-10 15:37:52,388 INFO L226 Difference]: Without dead ends: 738 [2018-04-10 15:37:52,388 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 939 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=548, Invalid=3742, Unknown=0, NotChecked=0, Total=4290 [2018-04-10 15:37:52,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2018-04-10 15:37:52,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 646. [2018-04-10 15:37:52,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2018-04-10 15:37:52,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 717 transitions. [2018-04-10 15:37:52,391 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 717 transitions. Word has length 77 [2018-04-10 15:37:52,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:37:52,391 INFO L459 AbstractCegarLoop]: Abstraction has 646 states and 717 transitions. [2018-04-10 15:37:52,391 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-10 15:37:52,391 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 717 transitions. [2018-04-10 15:37:52,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-04-10 15:37:52,391 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:37:52,391 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 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] [2018-04-10 15:37:52,391 INFO L408 AbstractCegarLoop]: === Iteration 106 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:37:52,391 INFO L82 PathProgramCache]: Analyzing trace with hash -2057941480, now seen corresponding path program 3 times [2018-04-10 15:37:52,392 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:37:52,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:37:52,398 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:37:52,862 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:37:52,862 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:37:52,863 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-10 15:37:52,863 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:37:52,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:37:52,863 INFO L182 omatonBuilderFactory]: Interpolants [102113#false, 102112#true, 102115#(= 0 main_~list~0.offset), 102114#(= 0 |main_#t~malloc0.offset|), 102117#(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)), 102116#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 102119#(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)))), 102118#(and (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset) (= 0 main_~list~0.offset)), 102121#(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))), 102120#(and (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|) (= 0 main_~list~0.offset) (= |main_#t~mem3.offset| (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~mem3.base|))), 102123#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.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~malloc2.base|)) (= 0 main_~list~0.offset) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 102122#(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))), 102125#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= |main_#t~mem3.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) (= (select (select |#memory_$Pointer$.base| (select (select |#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~mem3.base|) (not (= main_~list~0.base |main_#t~mem3.base|))), 102124#(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))), 102127#(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))) (= 1 (select |#valid| main_~end~0.base))), 102126#(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)))), 102129#(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))) (= (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)))), 102128#(and (not (= main_~end~0.base main_~list~0.base)) (not (= main_~end~0.base |main_#t~malloc2.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_#t~malloc2.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) |main_#t~malloc2.base|))), 102131#(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)))) (= 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))))) (and (= main_~end~0.base main_~list~0.base) (= main_~end~0.offset main_~list~0.offset))), 102130#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem3.base|)) (= |main_#t~mem3.offset| main_~list~0.offset) (= |main_#t~mem3.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)))) (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~mem3.base|))), 102133#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (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)))))), 102132#(or (and (= 1 (select |#valid| main_~end~0.base)) (= 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))))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)))), 102135#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))))), 102134#(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 (= 0 (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)))), 102137#(= 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)))), 102136#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (= 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))))), 102139#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))), 102138#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))), 102141#(= 1 (select |#valid| main_~end~0.base)), 102140#(= 1 (select |#valid| |main_#t~mem9.base|))] [2018-04-10 15:37:52,863 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:37:52,863 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-10 15:37:52,863 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-10 15:37:52,864 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=783, Unknown=0, NotChecked=0, Total=870 [2018-04-10 15:37:52,864 INFO L87 Difference]: Start difference. First operand 646 states and 717 transitions. Second operand 30 states. [2018-04-10 15:37:55,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:37:55,100 INFO L93 Difference]: Finished difference Result 744 states and 820 transitions. [2018-04-10 15:37:55,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-04-10 15:37:55,101 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 77 [2018-04-10 15:37:55,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:37:55,101 INFO L225 Difference]: With dead ends: 744 [2018-04-10 15:37:55,101 INFO L226 Difference]: Without dead ends: 744 [2018-04-10 15:37:55,101 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1398 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=763, Invalid=4937, Unknown=0, NotChecked=0, Total=5700 [2018-04-10 15:37:55,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-04-10 15:37:55,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 639. [2018-04-10 15:37:55,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 639 states. [2018-04-10 15:37:55,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 709 transitions. [2018-04-10 15:37:55,104 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 709 transitions. Word has length 77 [2018-04-10 15:37:55,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:37:55,104 INFO L459 AbstractCegarLoop]: Abstraction has 639 states and 709 transitions. [2018-04-10 15:37:55,104 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-10 15:37:55,104 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 709 transitions. [2018-04-10 15:37:55,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-04-10 15:37:55,104 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:37:55,105 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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] [2018-04-10 15:37:55,105 INFO L408 AbstractCegarLoop]: === Iteration 107 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr31RequiresViolation, mainErr37AssertViolationMEMORY_FREE, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr40AssertViolationMEMORY_FREE, mainErr41AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr46EnsuresViolationMEMORY_LEAK, mainErr45AssertViolationMEMORY_FREE, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr14RequiresViolation]=== [2018-04-10 15:37:55,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1273381306, now seen corresponding path program 5 times [2018-04-10 15:37:55,105 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:37:55,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:37:55,114 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:37:56,065 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 15:37:56,065 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-10 15:37:56,065 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-10 15:37:56,065 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:37:56,065 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 15:37:56,066 INFO L182 omatonBuilderFactory]: Interpolants [103617#true, 103619#(= 0 |main_#t~malloc0.offset|), 103618#false, 103621#(and (= 0 main_~list~0.offset) (= (select |#valid| main_~list~0.base) 1)), 103620#(= 0 main_~list~0.offset), 103623#(and (not (= |main_#t~malloc2.base| 0)) (not (= main_~end~0.base |main_#t~malloc2.base|)) (= main_~end~0.offset main_~list~0.offset) (= main_~list~0.base main_~end~0.base) (= 0 main_~list~0.offset) (= 0 |main_#t~malloc2.offset|)), 103622#(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)), 103625#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (= 0 main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) 0) 0)) (= |main_#t~mem3.offset| (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~mem3.base|))), 103624#(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))) (= 0 (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~end~0.base) 0) 0))), 103627#(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 (= (select (select |#memory_$Pointer$.base| main_~list~0.base) 0) 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))), 103626#(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 (= (select (select |#memory_$Pointer$.base| main_~list~0.base) 0) 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))), 103629#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset))) (= 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) (= 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 (= (select (select |#memory_$Pointer$.base| main_~list~0.base) 0) 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) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))), 103628#(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~malloc2.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~malloc2.base|)) (= 0 main_~list~0.offset) (= 0 |main_#t~malloc2.offset|) (= 8 (select |#length| |main_#t~malloc2.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) 0) 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))), 103631#(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) (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))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) 0) 0)) (= (select |#valid| main_~list~0.base) 1) (= 8 (select |#length| main_~end~0.base))), 103630#(and (= 0 (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~mem3.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) 1) (= 8 (select |#length| |main_#t~mem3.base|)) (= 0 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))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) 0) 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_#t~mem3.base|) (= (select |#valid| main_~list~0.base) 1) (not (= main_~list~0.base |main_#t~mem3.base|))), 103633#(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))) (= (select |#length| main_~end~0.base) 8) (= 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))) (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))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) 0) 0)) (not (= (select |#valid| main_~end~0.base) 0))), 103632#(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 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (not (= main_~list~0.base |main_#t~malloc2.base|)) (= 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))) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) 0) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~malloc2.base|)) (= 8 (select |#length| main_~end~0.base))), 103635#(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 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 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))) (<= 8 (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 (= (select (select |#memory_$Pointer$.base| main_~list~0.base) 0) 0)) (not (= (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))) 0))), 103634#(and (= 0 (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~mem3.base|)) (= 0 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))) (<= 8 (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 (= (select (select |#memory_$Pointer$.base| main_~list~0.base) 0) 0)) (not (= (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))) 0)) (not (= main_~list~0.base |main_#t~mem3.base|))), 103637#(and (or (= |main_#t~malloc5.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~malloc5.base|))) (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))) (<= 8 (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~malloc5.offset| main_~list~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) |main_#t~malloc5.offset|) 0))), 103636#(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 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset))) (= 0 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))) (<= 8 (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 (= (select (select |#memory_$Pointer$.base| main_~list~0.base) 0) 0)) (not (= (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))) 0)) (not (= (select |#valid| main_~end~0.base) 0))), 103639#(and (or (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.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_#t~mem6.offset|) 0)) (= |main_#t~mem6.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))) (<= 8 (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))))), 103638#(and (not (= (select (select |#memory_$Pointer$.base| main_~list~0.base) (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset)) 0)) (or (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~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 (select |#memory_$Pointer$.offset| main_~end~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)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (<= 8 (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))))), 103641#(or (and (= 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))) (= 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 (= 0 (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~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))) (<= 8 (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)))))), 103640#(or (and (not (= main_~end~0.base main_~list~0.base)) (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 (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))) (<= 8 (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))), 103643#(or (and (= 0 |main_#t~mem11.offset|) (= 0 |main_#t~mem11.base|)) (and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem11.base|) |main_#t~mem11.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem11.base|) |main_#t~mem11.offset|)))), 103642#(or (and (<= 8 (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)))) (= 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)))) (and (= 0 (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 (= 0 (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))) (= 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))))), 103645#(or (and (= 0 (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 (<= 8 (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)))), 103644#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (= 0 (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 (<= 8 (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)))), 103647#(or (and (= main_~end~0.offset 0) (= main_~end~0.base 0)) (and (= main_~end~0.offset 0) (<= 8 (select |#length| main_~end~0.base)))), 103646#(or (and (= 0 |main_#t~mem9.offset|) (= 0 |main_#t~mem9.base|)) (and (= 0 |main_#t~mem9.offset|) (<= 8 (select |#length| |main_#t~mem9.base|)))), 103648#(and (= main_~end~0.offset 0) (<= 8 (select |#length| main_~end~0.base)))] [2018-04-10 15:37:56,066 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 15:37:56,066 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-10 15:37:56,066 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-10 15:37:56,066 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=872, Unknown=0, NotChecked=0, Total=992 [2018-04-10 15:37:56,066 INFO L87 Difference]: Start difference. First operand 639 states and 709 transitions. Second operand 32 states. Received shutdown request... [2018-04-10 15:37:56,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-10 15:37:56,906 WARN L519 AbstractCegarLoop]: Verification canceled [2018-04-10 15:37:56,909 WARN L197 ceAbstractionStarter]: Timeout [2018-04-10 15:37:56,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.04 03:37:56 BoogieIcfgContainer [2018-04-10 15:37:56,909 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-10 15:37:56,910 INFO L168 Benchmark]: Toolchain (without parser) took 179354.47 ms. Allocated memory was 402.1 MB in the beginning and 931.1 MB in the end (delta: 529.0 MB). Free memory was 337.0 MB in the beginning and 699.0 MB in the end (delta: -362.1 MB). Peak memory consumption was 167.0 MB. Max. memory is 5.3 GB. [2018-04-10 15:37:56,911 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 402.1 MB. Free memory is still 361.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-10 15:37:56,911 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.03 ms. Allocated memory is still 402.1 MB. Free memory was 335.6 MB in the beginning and 306.6 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 5.3 GB. [2018-04-10 15:37:56,912 INFO L168 Benchmark]: Boogie Preprocessor took 40.01 ms. Allocated memory is still 402.1 MB. Free memory was 306.6 MB in the beginning and 303.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-10 15:37:56,912 INFO L168 Benchmark]: RCFGBuilder took 457.18 ms. Allocated memory was 402.1 MB in the beginning and 610.8 MB in the end (delta: 208.7 MB). Free memory was 303.9 MB in the beginning and 532.9 MB in the end (delta: -229.0 MB). Peak memory consumption was 22.6 MB. Max. memory is 5.3 GB. [2018-04-10 15:37:56,912 INFO L168 Benchmark]: TraceAbstraction took 178597.59 ms. Allocated memory was 610.8 MB in the beginning and 931.1 MB in the end (delta: 320.3 MB). Free memory was 532.9 MB in the beginning and 699.0 MB in the end (delta: -166.1 MB). Peak memory consumption was 154.2 MB. Max. memory is 5.3 GB. [2018-04-10 15:37:56,913 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 402.1 MB. Free memory is still 361.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 257.03 ms. Allocated memory is still 402.1 MB. Free memory was 335.6 MB in the beginning and 306.6 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 40.01 ms. Allocated memory is still 402.1 MB. Free memory was 306.6 MB in the beginning and 303.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 457.18 ms. Allocated memory was 402.1 MB in the beginning and 610.8 MB in the end (delta: 208.7 MB). Free memory was 303.9 MB in the beginning and 532.9 MB in the end (delta: -229.0 MB). Peak memory consumption was 22.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 178597.59 ms. Allocated memory was 610.8 MB in the beginning and 931.1 MB in the end (delta: 320.3 MB). Free memory was 532.9 MB in the beginning and 699.0 MB in the end (delta: -166.1 MB). Peak memory consumption was 154.2 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1005]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1005). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1015]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1015). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1048]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1048). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1036]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1036). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1045]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1045). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1034]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1034). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1018]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1018). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1028]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1028). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1049]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1049). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 996]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 996). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1019]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1019). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1039]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1039). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1048]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1048). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1036]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1036). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 997]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 997). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1049]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1049). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1016]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1016). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1017]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1017). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1032]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1032). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 997]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 997). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1015]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1015). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1050]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1050). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1050]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1050). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1006]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1006). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1047]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1047). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1018]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1018). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1028]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1028). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1045]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1045). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1034]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1034). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 996]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 996). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1017]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1017). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1054]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1054). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1007]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1007). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 992]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 992). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1055]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1055). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1039]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1039). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1006]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1006). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1019]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1019). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1011]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1011). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1032]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1032). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1007]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1007). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1011]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1011). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1047]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1047). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1054]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1054). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1005]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1005). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1055]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1055). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - TimeoutResultAtElement [Line: 1016]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1016). Cancelled while BasicCegarLoop was constructing difference of abstraction (639states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 46 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 123 locations, 47 error locations. TIMEOUT Result, 178.5s OverallTime, 107 OverallIterations, 5 TraceHistogramMax, 139.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8718 SDtfs, 48658 SDslu, 88345 SDs, 0 SdLazy, 143425 SolverSat, 10161 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 53.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5315 GetRequests, 285 SyntacticMatches, 54 SemanticMatches, 4975 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73703 ImplicationChecksByTransitivity, 105.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=710occurred in iteration=93, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 73/2819 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, 106 MinimizatonAttempts, 8129 StatesRemovedByMinimization, 104 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 35.9s InterpolantComputationTime, 6460 NumberOfCodeBlocks, 6460 NumberOfCodeBlocksAsserted, 107 NumberOfCheckSat, 6353 ConstructedInterpolants, 0 QuantifiedInterpolants, 11664345 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 107 InterpolantComputations, 10 PerfectInterpolantSequences, 73/2819 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/sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-10_15-37-56-921.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/sll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-10_15-37-56-921.csv Completed graceful shutdown